• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a connection device for connecting a main pipe (1) to a secondary pipe (2), comprising a preferably screw-in, substantially cylindrical connecting piece (3) for connecting the secondary pipe (2) into a wall recess of the main pipe (1) for sealing the connecting piece (3) is provided on the main pipe (1), preferably annular sealing element (4) which is directly or via mechanical connecting elements with an outer periphery of the connecting piece (3) in connection.
    公开号:AT518117A1
    申请号:T51104/2015
    申请日:2015-12-28
    公开日:2017-07-15
    发明作者:Sebastian Vogl Ing
    申请人:Hawle Water Tech Norge As；
    IPC主号:
    专利说明:

    connection device
    The invention relates to a connection device for connecting a main pipe with a side pipe.
    From the prior art, various connection devices are known to connect a secondary pipe to a wall recess, usually a bore, an existing main pipe, this usually by direct welding of the secondary pipe to the main pipe or by inserting, in particular screwing, a cylindrical, with an externally threaded connection piece is realized in the wall recess. In special applications, however, it is necessary to install the secondary pipe without making the main pipe accessible from the outside. In these applications, the assembly of the connection device must take place inside the main pipe, which causes considerable difficulties in the assembly.
    For this purpose, for example, the solution shown in Fig. 1 is known, wherein the secondary pipe is first inserted through the wall recess of the main pipe and then inserted through the interior of the side pipe a sleeve and rolled flat. As a result, however, only an insufficient sealing of the secondary pipe to the main pipe is achieved.
    An object of the invention is therefore to provide a generic connection device, which allows easy installation of the main pipe, yet a sufficiently good sealing of the connection point should be made possible.
    These and other objects are achieved according to the invention in that for sealing the connection piece, a preferably annular sealing element fitting against the main pipe is provided, which is connected directly or via mechanical connecting elements to an outer circumference of the connection piece. During assembly, the sealing element is pressed by the connecting piece against the main pipe and seals the wall recess relative to the medium flowing through.
    The sealing element may comprise metal or plastic.
    According to the invention it can be provided that the sealing element rests against the inner wall of the main pipe in the region of the wall recess. For this purpose, the sealing element may have on one side a surface contour adapted to the diameter of the main pipe, in order to allow a good contact with the inner wall. According to the invention, the sealing element can also rest on the end face of the wall recess of the main pipe, wherein the sealing element is adapted substantially annularly to the diameter of the wall recess. There are also provided combinations according to the invention, wherein the sealing element abuts both on the inner wall of the main tube, as well as on the end face of the wall recess.
    According to the invention may further be provided that the sealing element is designed annular and the outer diameter of the sealing element is greater than the diameter of the wall recess of the main pipe. As a result, the sealing element surrounds the wall recess and is pressed by further structural measures as described below against the inner wall or the wall recess.
    The sealing element may have a first, preferably formed on the inner surface of the main pipe sealing surface and a second, preferably annular sealing surface, wherein in the assembled state, the first sealing surface bears against the inner wall of the main pipe and the second sealing surface on an outer circumference of the connecting piece. This results in the effect according to the invention that the connecting piece presses the sealing element against the main pipe, so that the desired sealing effect is achieved when mounting the connecting piece.
    The first sealing surface and the second sealing surface may preferably be arranged at an angle, for example at an angle of 60 ° to 90 ° to each other, depending on the diameter of the main pipe and the extent of the wall recess. In a groove of the first sealing surface, a first sealing ring and in a groove of the second sealing surface, a second sealing ring may be arranged, which is particularly advantageous if the sealing ring is made of a metal or the sealing surfaces comprise metal.
    According to the invention, the sealing element may comprise at its inner circumference a projection which cooperates with a corresponding shoulder on an outer circumference of the connecting piece in such a form-fitting manner that the sealing element is pressed against the inner wall of the main pipe when the connecting piece is inserted or screwed into the wall recess. During assembly, the connecting piece is screwed with attached sealing element in the threaded wall recess and both the adjustment, as well as the desired sealing takes place when tightening the connection piece automatically.
    According to the invention, the substantially cylindrical connecting piece according to the invention can in particular be designed such that it has a first area in the lateral direction with a radially projecting shoulder for positive connection with the sealing element, a second area with an external thread for screwing into the wall recess of the main pipe, and a third Having area for connection to a secondary pipe.
    To connect the connecting piece according to the invention with a secondary pipe, a substantially cylindrical fitting housing can be provided, which is also claimed as part of the connecting device according to the invention.
    According to the invention, this fitting housing can have a first opening for receiving the connecting piece with at least one plug connection means, for example a snap ring arranged in a groove of the connection piece, and at least one sealing means, for example a sealing ring. During assembly, the fitting housing can be plugged and locked in a simple manner on the connection piece.
    The fitting housing may further comprise a second opening for receiving a secondary pipe, wherein in the region of the second opening, a circumferential widened sealing chamber is provided, which is a pull-out protection in the form of a laterally displaceable, cooperating with a conical inner surface of the sealing chamber clamp with conical outer surface and at least one sealing ring having. This allows a particularly simple installation of the secondary pipe, which is simply plugged into the second opening of the fitting housing and is fixed there by pulling movement.
    According to the invention it can be provided that a first shoulder is provided as a stop for the insertion of the connecting piece and a second shoulder as a stop for the insertion of the secondary pipe on the inner circumference of the fitting housing. This ensures that a defined end point can be detected when inserting the connecting piece and the secondary pipe. In the area of the first shoulder and / or the second shoulder may further be provided a mounting indicator, if a visual inspection is possible during assembly.
    According to various embodiments of the connecting device are provided. Thus, it can be provided that the sealing element is designed as an annular barrel bearing seal with a convex outer peripheral surface which abuts at its outer periphery on the end face of the wall recess of the main pipe and communicates at its inner periphery via a connecting ring with the outer periphery of the connecting piece. The use of a spherical bearing seal offers the curved geometry the advantage according to the invention that the connecting device is pivotable in a certain range.
    It can also be provided according to the invention that the sealing element is arranged on the outer surface of the main pipe and screwed to the connecting piece and is fixed by a, inserted into the wall recess of the main pipe hooks.
    In a further embodiment of the invention, the sealing element is designed as an annular welding element, which is welded to the connecting piece from the inside. The connecting piece can be designed in this case as an annular welding fitting with a circumferential annular shoulder which presses against the likewise annular welding element and thus seals the wall recess. Welding element, welding fitting and main pipe are welded together during assembly. To increase the stability of the secondary pipe, a support sleeve may be provided inside the weld fitting.
    In a further embodiment of the invention, the sealing element can be compressed by a screw clamp from the interior of the main tube. The screw is screwed onto a stop, inserted into the wall recess and with the connecting piece via a connecting ring in connection. The sealing element is pressed by a shoulder of the screw between the inner wall of the main pipe and the stopper.
    In a further embodiment of the invention, the sealing element is designed as a, at least partially covering the inner circumference of the tube sealing jacket. The sealing jacket extends in this embodiment in a certain length over the entire inner circumference of the main pipe and is interrupted only by the inserted connection piece. The connection to the pipe transition takes place in this case via an insert, which is inserted between the sealing element and the connecting piece.
    In a further embodiment of the invention, the sealing element is arranged on the end face of the wall recess, protrudes angled into the interior of the main pipe and includes a thrust protection, preferably in the form of an inserted sheet metal part.
    In this embodiment, the connecting piece carries a screwed on clamping nut and a wedge clamping disc, which is in contact with the projecting into the interior of the main tube, angled sealing element. Upon actuation of the clamping nut, the wedge clamping disc is pushed against the sealing element and presses it against the inner circumference of the main tube, so that the desired sealing effect is achieved.
    According to the invention, the sealing element can also be fixed by means of sealing foam in the wall recess of the main pipe. The sealing foam is preferably introduced after assembly in the remaining space between the end face of the wall recess and the sealing element or the connecting piece.
    According to the invention, at least one connecting bolt can be provided on the inner circumference of the connecting piece, which connects the connecting piece with the sealing element and the main pipe and thus fixes the sealing element in its position.
    In a further embodiment of the invention, the connecting piece comprises a screwed on clamping nut and a clamping disc, which is in contact with the projecting into the interior of the main tube sealing element, so that upon actuation of the clamping nut, the clamping disc presses the sealing element against a stop of the connecting piece. The sealing element is chambered by the clamping disc on one side and the stop on the other side, and is pressed by actuation of the clamping nut against the end face of the wall recess of the main pipe.
    In a further embodiment of the invention, a conical clamp is provided which is displaceable by a cone ring which can be screwed onto the connecting piece and which presses the sealing element arranged on the end face of the wall recess on its conical outer surface against a stop provided on the connecting piece and against the end face of the wall recess. In this embodiment, the secondary pipe can also be mounted entirely from the outside.
    In a further embodiment of the invention, an inner sealing clamp with an inner stop and an outer seal terminal is provided with an outer stop in the wall recess, wherein the arranged at the end of the Wandausnehmung sealing element is chambered between the stops, and wherein the connecting piece via a connecting ring with the inner sealing clamp is in communication. When pushing the two sealing clamps in the wall recess or on the connecting piece, the chambered chamber between the sealing element is pressed together and against the end face of the wall recess, so that the desired sealing is achieved.
    Further features of the invention will become apparent from the claims, the description of the figures and the drawings.
    The invention will be explained in more detail below with reference to non-exclusive embodiments. All figures show a cross section through a main pipe 1, to which a secondary pipe 2 is connected by one of the embodiments according to the invention, wherein the cross section along the axis of symmetry of the secondary pipe is executed.
    Fig. 1 shows a known from the prior art connecting device for attaching a secondary pipe 2 to a main pipe 1, wherein the secondary pipe 2 is sealed inside the main pipe by rolling a sleeve.
    Fig. 2 shows an embodiment of a connecting device according to the invention. The connecting device comprises a cylindrical connecting piece 3, which is screwed into a wall recess of a main pipe 1 via a threaded connection shown schematically. In an alternative, not shown embodiment, no thread is provided in the main pipe 1 for reducing the pipe load, but the connecting piece 3 is fixed on the outside via a lock nut. For sealing the connecting piece 3, a fitting on the main pipe 1, annular sealing element 4 is provided, whose outer diameter is greater than the diameter of the wall recess. The sealing element 4 has a first sealing surface 5, which is adapted to the shape of the inner wall of the main pipe 1. In this first sealing surface 5, a first sealing ring 9 is arranged in a groove. Furthermore, the sealing element 4 comprises a second annular sealing surface 6, which is in contact with an outer periphery of the connecting piece 3. In the second sealing surface 6, a sealing ring 8 is also arranged in a groove. The first sealing surface 5 and the second sealing surface 6 are arranged at an angle of approximately 80 ° to each other in accordance with the tube circumference conditions shown by way of example.
    The sealing element 4 comprises at its inner periphery an annular projection 7 which cooperates positively with a likewise annular shoulder 8 on the outer circumference of the connecting piece 3.
    This ensures that when screwing the connecting piece 3 in the wall recess of the main pipe 1, the sealing element 4 is pressed over the shoulder 8 and the projection 7 against the inner wall of the main pipe 1, so that the desired pressure of the sealing element 4 and the two sealing rings 9, 10 is reached.
    The connecting piece 3 is essentially subdivided into three regions, namely first a first region, which lies in the assembled state in the interior of the main pipe 1 and has the radially projecting, circumferential shoulder 8 for the positive connection with the sealing element 5. Adjacent thereto, a second region is provided, which carries an external thread for screwing in the connecting piece 3 in the wall recess of the main pipe 1. Finally, a third area is provided at the other end of the connecting piece 3, which serves to connect the secondary pipe 2. For this purpose, the connection device comprises a substantially cylindrical fitting housing 12, which can be plugged onto the third region of the connecting piece 3.
    The fitting housing 12 has a first opening for receiving the connecting piece 3, wherein plug connection means are provided in order to enable a simple plug connection. The connector means are designed in the present embodiment as a snap ring 11 which is arranged in a circumferential groove 15 on the outer circumference of the connecting piece 3, and is designed to engage in a circumferential groove on the inner circumference of the fitting housing 12. In addition, between the inner circumference of the fitting housing 12 and the outer periphery of the connecting piece 3, two sealing rings 16 are arranged.
    The fitting housing 12 has a second opening for receiving the secondary pipe 2. In the region of the second opening, a circumferential sealing chamber 17 is provided, which comprises a pull-out protection for the secondary pipe 2. The pull-out protection is in the present embodiment in the form of a laterally displaceable clamp 18 with a conical outer surface.
    The clamp acts on its outer surface with a corresponding conical inner surface of the sealing chamber 17 together, so that upon retraction of the secondary pipe, the train protection is activated and counteracts a further pulling movement of the secondary pipe by jamming of the terminal 18. Furthermore, a sealing ring 19 is provided inside the sealing chamber 17.
    At the inner periphery of the fitting housing 12, a first circumferential shoulder 13 and a second circumferential shoulder 14 is provided, which serve as a stop for the insertion of the connecting piece and the secondary pipe 2. This ensures that these elements are not inserted too deeply into the fitting housing. Furthermore, a mounting indicator 20 is provided inside the fitting housing 12, which indicates the insertion of the connecting piece 3 optically.
    3 shows a further embodiment of a connection device according to the invention. In this embodiment, the sealing element 4 is designed as a roller bearing seal, which bears against its outer, curved periphery on the end face 21 of the wall recess of the main pipe 1. At its inner circumference, the sealing element 4 is positively engaged via a connecting ring 22 with the connecting piece 3. The secondary pipe 2 is inserted into an end-side annular groove of the connecting piece 3.
    4 shows a further embodiment of a connection device according to the invention. In this embodiment, the sealing is carried out by a sealing element 4 which is arranged on the outside of the main pipe 1. The sealing element 4 is screwed to the connection piece 3. In order to fix the connecting piece 3 in the wall recess, an annular plug hook 23 is provided, which fixes the arrangement and supports the pressing of the sealing element. The secondary pipe 2 is inserted in the connection piece.
    5 shows a further embodiment of a connection device according to the invention. In this embodiment, the seal is carried out by the sealing element 4 is designed as an annular welding element. The annular welding element has a shoulder and is inserted into the connecting piece designed as a welded fitting.
    During assembly, the elements are welded together, wherein a separate support bushing 23 is provided for stabilizing the secondary pipe 2 in the connecting piece 3.
    6 shows a further embodiment of a connection device according to the invention. In this embodiment, the sealing takes place via an inner, annular sealing element 4, which is pressed together by tightening a screwed onto an inserted stop 25 screw 24 and against the inner surface of the main pipe 1. The partially threaded annular stop 25 gives the sealing element 4 stable support and allows the centered insertion of the connecting piece 3. The screw 24 is connected to the connecting piece 3 via a connecting ring 26 in positive connection. The stop 24 must be inserted from the outside into the wall recess.
    Fig. 7a shows a further embodiment of a connecting device according to the invention. In this embodiment, the sealing element 4 is designed as a, the inner circumference of the tube in a section covering the sealing jacket. The connection of the sealing jacket to the connecting piece 3 via an insert. Fig. 7b shows a further variant of this embodiment, in which the sealing element 4 extends through the recess of the main pipe 1 in the radial direction to the outside and is only there connected to the connecting piece 3.
    Fig. 8 shows a further embodiment of a connecting device according to the invention. In this embodiment, the sealing element 4 comprises an inserted thrust protection in the form of a sheet metal part 27. This counteracts a compression of the sealing element 4, so that the sealing element 4 can not be reduced in its longitudinal extent. The connecting piece 3 comprises a screwed on clamping nut 28 and a wedge-shaped clamping washer 29. The sealing element 4 is arranged in the region of the end face of the wall recess and projects into the interior of the main pipe. The clamping disc 29 is in angular contact with the sealing element 4, so that upon actuation of the clamping nut 28, the clamping plate 29 presses the sealing element 4 to the outside.
    Due to the inserted thrust protection 27, the sealing element 4 can not be shortened, but bends upward, so that the desired sealing effect is achieved. On the other side of the wall recess a stop is provided on the connecting piece 3, which counteracts a deflection of the sealing element 4.
    9 shows a further embodiment of a connection device according to the invention. In this embodiment, the sealing element 4 is designed as a sealing clamp, which is fixed by sealing foam 30 in its position in the wall recess of the main pipe 1.
    10 shows a further embodiment of a connection device according to the invention. In this embodiment, the sealing element 4 abuts both on the inner surface of the main pipe 1, as well as on the end face of the wall recess. In order to connect the sealing element 4 with the connecting piece 3 and the main pipe 1, connecting bolts 31 are provided, which are driven from the interior of the connecting piece 3 in the main pipe 1.
    11 shows a further embodiment of a connection device according to the invention. In this embodiment, the seal is made to the main pipe 1 by a tubular sealing element 4, which is chambered by a clamping disc 32 and a stop 33 of the connecting piece 3. At the connecting piece 3, a clamping nut 28 is arranged so that when tightening the clamping nut 28, the sealing element 4 is clamped and pressed against the main pipe 1, so that the desired sealing effect occurs.
    Fig. 12 shows a further embodiment of a connecting device according to the invention. In this embodiment, the sealing takes place on the end face of the wall recess by means of a seal and a sealing element 4 designed as a conical clamp. The system is fixed by means of the conical clamp by screwing a conical ring 34 onto the connecting piece 3. The seal is pressed against a stop 35 of the connecting piece 3, so that the desired sealing effect occurs. This embodiment can be mounted particularly advantageous only from the outside.
    Fig. 13 shows a further embodiment of a connection device according to the invention. In this embodiment, the seal to the main pipe 1 via a sealing element 4, which is chambered by an inner seal clamp 36 with an inner stop 36 'and an outer seal clamp 37 with an outer stop 37' and pressed against the end face of the wall recess of the main pipe 1. The connecting piece 3 communicates with the inner sealing clamp 36 via a connecting ring 38 arranged in two opposing grooves.
    LIST OF REFERENCES 1 Main pipe 2 Secondary pipe 3 Connecting piece 4 Sealing element 5 First sealing surface 6 Second sealing surface 7 Projection 8 Shoulder 9 First sealing ring 10 Second sealing ring 11 Circlip 12 Fitting housing 13 First shoulder 14 Second shoulder 15 Groove 16 Sealing ring 17 Sealing chamber 18 Clamp 19 Sealing ring 20 Assembly indicator 21 End face of Wall recess 22 Connecting ring 23 Hooking hook 24 Screw clamp 25 Stop 26 Connecting ring 27 Sheet metal part 28 Locknut 29 Wedge clamping plate 30 Sealing foam 31 Connecting pin 32 Clamping disc 33 Stopper 34 Cone clamp 35 Stop 36 Seal clamp 36 'Inner stop 37 Outer seal clamp 37' Outer stop 38 Connecting ring
    权利要求:
    Claims (26)
    [1]
    claims
    1. Connecting device for connecting a main pipe (1) with a secondary pipe (2), comprising a in a wall recess of the main pipe (1) can be inserted, preferably screwed, substantially cylindrical connecting piece (3) for connecting the secondary pipe (2), characterized in that a preferably annular sealing element (4) lying against the main pipe (1) is provided for sealing off the connection piece (3), which is connected directly or via mechanical connecting elements to an outer circumference of the connecting piece (3).
    [2]
    2. Connecting device according to claim 1, characterized in that the sealing element (4) bears against the inner wall of the main pipe (1) in the region of the wall recess.
    [3]
    3. Connecting device according to claim 1 or 2, characterized in that the sealing element (4) on the end face (21) of the wall recess of the main tube (1) rests.
    [4]
    4. Connecting device according to one of claims 1 to 3, characterized in that the sealing element (4) is annular and the outer diameter of the sealing element (4) is greater than the diameter of the wall recess of the main pipe (1).
    [5]
    5. Connecting device according to one of claims 1 to 4, characterized in that the sealing element (4) has a first, preferably formed on the inner surface of the main tube sealing surface (5) and a second, preferably annular sealing surface (6), wherein in the mounted state the first sealing surface (5) on the inner wall of the main pipe (1) and the second sealing surface (6) on an outer circumference of the connecting piece (3).
    [6]
    6. Connecting device according to claim 5, characterized in that in a groove of the first sealing surface (5) a first sealing ring (9) and in a groove of the second sealing surface (6), a second sealing ring (10) is arranged.
    [7]
    7. Connecting device according to one of claims 1 to 6, characterized in that the sealing element (4) comprises at its inner periphery a projection (7) which cooperates with a shoulder (8) on an outer circumference of the connecting piece (3) form fit, so that the sealing element (5) during insertion or screwing of the connecting piece (3) in the wall recess of the main pipe (1) against the inner wall of the main pipe (1) is pressed.
    [8]
    8. Connecting device according to one of claims 1 to 7, characterized in that the connecting piece (3) has a first region with a radially projecting shoulder (8) for positive connection with the sealing element (5), a second region with an external thread (6). for screwing into the wall recess of the main pipe (1), and a third region for connection to a secondary pipe (2).
    [9]
    9. Connecting device according to one of claims 1 to 8, characterized in that for connecting the connecting piece (3) with a secondary pipe (2) has a substantially cylindrical fitting housing (12) is provided.
    [10]
    10. Connecting device according to claim 9, characterized in that the fitting housing (12) has a first opening for receiving the connection piece (3) with at least one plug connection means, for example a snap ring (11) arranged in a groove (15) of the connection piece (3). , And at least one sealing means, for example, a sealing ring (16).
    [11]
    11. Connecting device according to claim 9 or 10, characterized in that the fitting housing (12) has a second opening for receiving a secondary pipe (2), wherein in the region of the second opening, a circumferential sealing chamber (17) is provided, which is a pull-out protection in the form a laterally displaceable, with a conical inner surface of the sealing chamber (17) cooperating terminal (18) with a conical outer surface and at least one sealing ring (19).
    [12]
    12. Connecting device according to one of claims 9 to 11, characterized in that on the inner circumference of the fitting housing (12) has a first shoulder (13) as a stop for the insertion of the connecting piece (3) and a second shoulder (14) as a stop for the Insertion of the secondary pipe (2) is provided.
    [13]
    13. Connecting device according to claim 12, characterized in that in the region of the first shoulder (13) and / or the second shoulder (14) a mounting indicator (20) is provided.
    [14]
    14. Connecting device according to one of claims 1 to 13, characterized in that the sealing element (4) is designed as a roller bearing seal, which abuts at its outer periphery on the end face (21) of the wall recess of the Flauptrohres (1) and on its inner circumference a connecting ring (22) communicates with the outer circumference of the connecting piece (3).
    [15]
    15. Connecting device according to one of claims 1 to 14, characterized in that the sealing element (4) on the outer surface of the main pipe (1) and screwed to the connecting piece (3) and by a, in the wall recess of the main pipe (1) introduced Plug hook (23) is fixed.
    [16]
    16. Connecting device according to one of claims 1 to 15, characterized in that the sealing element (4) is designed in the form of a welding element, which is welded to the connecting piece (3).
    [17]
    17. Connecting device according to one of claims 1 to 16, characterized in that the sealing element (4) by a screw clamp (24) is compressible, which can be screwed onto a wall in the recess used from the outside stop (25) and with the connecting piece (3 ) is connected via a connecting ring (26).
    [18]
    18. Connecting device according to one of claims 1 to 17, characterized in that the sealing element (4) is designed as a, at least partially covering the inner circumference of the tube sealing jacket.
    [19]
    19. Connecting device according to claim 18, characterized in that the sealing element (4) through the wall recess of the main pipe (1) extends radially outwards.
    [20]
    20. Connecting device according to one of claims 1 to 19, characterized in that the sealing element (4) comprises an inserted thrust protection preferably in the form of a sheet metal part (27).
    [21]
    21. Connecting device according to one of claims 1 to 20, characterized in that the connecting piece (3) comprises a screwed-on clamping nut (28) and a wedge clamping disc (29), which with the inside of the main tube (1) projecting sealing element (4) in angular contact is such that upon actuation of the clamping nut (28), the wedge clamping disc (29) presses the sealing element (4) on the inner circumference of the main tube (1).
    [22]
    22. Connecting device according to one of claims 1 to 21, characterized in that the sealing element (4) is fixed by sealing foam (30) in the wall recess of the main pipe (1).
    [23]
    23. Connecting device according to one of claims 1 to 22, characterized in that at least one connecting pin (31) connects the connecting piece (3) with the sealing element (4) and the main tube (1).
    [24]
    24. Connecting device according to one of claims 1 to 23, characterized in that the connecting piece (3) comprises a screwed on clamping nut (28) and a clamping disc (32), which with the inside of the main tube (1) projecting sealing element (4) is in contact, so that upon actuation of the clamping nut (28), the clamping disc (32) presses the sealing element (4) against a stop (33) of the connecting piece (3).
    [25]
    25. Connecting device according to one of claims 1 to 24, characterized in that a cone clamp (34) is provided, which in the connecting piece (3) can be screwed and the sealing element (4) against a stop (35) presses.
    [26]
    26. Connecting device according to one of claims 1 to 25, characterized in that an inner sealing clamp (36) with an inner stop (36 ') and an outer sealing clamp (37) with an outer stop (37') are provided, wherein the the end face of the wall recess arranged sealing element (4) between the stops (36 ', 37') is chambered, and wherein the connecting piece via a connecting ring (38) with the inner sealing clamp (36) is in communication.
    类似技术:
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    DE2854795C2|1987-06-11|
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    WO2012131049A1|2012-10-04|High pressure-resistant screw connection for pipelines or hose lines having a tapered thread
    DD207748A5|1984-03-14|SEAL FOR STEEL PIPES, IN PARTICULAR OF STEEL OR ALLOYS
    EP1855043A1|2007-11-14|Screw fitting for a plastic pipe
    EP1845297B1|2009-08-05|Flange screw connection
    EP2413012A2|2012-02-01|Connector
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    AT515540B1|2015-10-15|Connecting part for a pipeline
    DE202009004737U1|2010-09-16|pipe connectors
    DE202006008916U1|2006-08-03|Insertion connection for metal pipes with seal adapters has support ring in recess in adapter in addition to sealing ring
    同族专利:
    公开号 | 公开日
    US20190017643A1|2019-01-17|
    AT518117B1|2017-12-15|
    EP3397889A1|2018-11-07|
    WO2017114627A1|2017-07-06|
    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51104/2015A|AT518117B1|2015-12-28|2015-12-28|connection device|ATA51104/2015A| AT518117B1|2015-12-28|2015-12-28|connection device|
    PCT/EP2016/079369| WO2017114627A1|2015-12-28|2016-12-01|Connection device|
    US16/066,670| US20190017643A1|2015-12-28|2016-12-01|Connection device|
    EP16804801.5A| EP3397889A1|2015-12-28|2016-12-01|Connection device|
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