• 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:
    A method for producing a positive connection between a first component (4) and a second component (8) of a motor vehicle lighting device by means of a connecting element, which is provided by the second component (8), wherein the first component (4) as a supporting component of the second Component (8) is provided and has an outer side and an inner side, wherein the first component (4) on the outer side has a fastening region, which is formed as a recess which is continued as an opening on the inner side through hole, wherein the through hole a shoulder region facing away from the inside, comprising the following steps: a) arranging the second component (8) on an inner side opening region of the through hole of the first component (4); b) passing the connecting element through the through hole; c) fixing the first component (4) to the second component (8) by means of an end part of the connecting element by applying the end part to the shoulder region of the recess; d) liquid-tight covering of the recess by means of the at least one cover part (90).
    公开号:AT518108A1
    申请号:T51083/2015
    申请日:2015-12-18
    公开日:2017-07-15
    发明作者:Berger Martin；Grafeneder Markus
    申请人:Zkw Group Gmbh；
    IPC主号:
    专利说明:

    A method for producing a positive connection between two components of a motor vehicle lighting device using a
    COMPONENT LINKED ELEMENTS
    The invention relates to methods for producing a positive connection between a first component and a second component of a
    Motor vehicle lighting device by means of a connecting element, which is provided on the part of the second component, wherein the first component is provided as a supporting member of the second component and having an outer side and an inner side, wherein the first component on the outer side has a mounting portion which is formed as a recess is, which is continued as an opening on the inside through hole, wherein the through hole has a side facing away from the inside shoulder region.
    Moreover, the invention relates to a composite component, which has a positive connection produced by the above method.
    Furthermore, the invention relates to a motor vehicle lighting device with such a composite component.
    Many automotive lighting device components are made of plastic today. To connect such components locking connections are often used because they require less installation effort. When producing components with the corresponding locking lugs, however, higher tooling costs and higher coordination effort (of the locking lugs) in the series for assembly arise.
    Therefore, it is the object of the present invention to provide a method in which the cost can be reduced and the coordination effort of the locking lugs can be reduced. The object is achieved by a method of the aforementioned type according to the invention, which method comprises the following steps: a) arranging the second component at an inner side opening region of the through hole of the first component, b) passing the connecting element through the through hole, c) fixing the first component the second component by means of an end portion of the connecting element by applying the end portion to the shoulder portion of the recess.
    With regard to the sealing of the recess, it is expedient to cover the recess by means of the at least one cover part.
    With regard to the entry of liquid or of liquid and air, it may be advantageous if the at least one cover part is formed from a liquid and / or air-sealing material.
    In addition, it may be appropriate that the cover does not protrude after covering the recess on the outside of the first component.
    Furthermore, it can be provided that the connecting element is formed separately from the second component.
    It may also be expedient that the connecting element is designed as a screw and the end part as a screw head, wherein the passage of the screw through the through hole further comprises: bl) passing an end of the screw opposite the screw head via the outside of the first component through the through hole , b2) screwing the screw into the second component. In this case, a connection is made via the outside of the first component. A connection on the inside, in particular a screw or rivet connection, is often not desirable or impossible or not allowed due to technical specifications (for example, space requirements and / or lighting specifications). So this is e.g. the case when the first component is formed as a heat sink and acts as a supporting member for a reflector (the second component). In this case, a screw or rivet connection on the inside, for example, for space reasons, or for the reason that the connection is positioned in the field of view and in this case disturbs the photograph of the motor vehicle lighting device, not possible.
    Furthermore, it can be provided that the screw has an external thread and the second component is pre-punched on a side facing the inside of the first component side, wherein the pre-hole has internal thread, wherein the external thread and the
    Internal threads are run into each other, and screwing the screw into the second component further comprises: b3) engaging the external thread with the internal thread.
    A pre-punched second component with an internal thread has the advantage that in the process not necessarily self-tapping screws must be used. However, it can of course be used pre-punched second components in which the pre-hole has no internal thread. In addition, not pre-punched second components can be used. In the last two cases (the second component pre-punched but the pre-hole has no internal thread or the second component is not pre-punched), it may be useful to use self-tapping screws.
    In a further embodiment, it can be provided that the connecting element is designed as a rivet and the end part as a rivet head and the second component is pre-perforated on a side facing the inside of the first component, wherein the method further comprises: bl) performing a rivet head b2) inserting the rivet head opposite end of the rivet into the pre-punched second component, b3) riveting the first component to the second component.
    With regard to the reduction of the material costs, it may be advantageous that the connecting element is integrally formed with the second component.
    In this case, it may be expedient in the production of the positive connection that the connecting element is inserted through the inner side opening region of the through hole of the first component in the through hole.
    In a further embodiment it can be provided that the application of the end part of the connecting element to the shoulder region of the recess further comprises: c1) hot caulking of the end part.
    In another embodiment it can be provided that the application of the end part of the connecting element to the shoulder region of the recess further comprises: c1) laser welding of the end part.
    In addition, the object is achieved with a composite component, wherein the first component is designed as a housing of a vehicle lamp and the second component as a support frame.
    In a further embodiment it can be provided that the first component is designed as a heat sink and the second component as a reflector.
    The invention is further discussed below by way of exemplary non-limiting embodiments, which are illustrated in a drawing. In this shows:
    1 shows a locking connection according to the prior art in a vehicle lamp for daytime running lights,
    2 is a sectional view of a housing of a vehicle lamp for daytime running lights,
    3 is an enlarged detail of the sectional view of the housing of FIG. 2,
    4 sectional views of a support frame of the vehicle lamp for daytime running lights and a screw and a cover,
    5 shows the arranged on the housing support frame in sectional view,
    6 is a detailed view of the assistance of the screw screwed to the support frame housing in section,
    7 a covered with the cover recess of the housing,
    8 shows the screwed to the support frame by means of the screw housing in perspective view,
    9 is an enlarged view of a mounting portion of FIG. 8,
    10 shows a heat sink and a reflector of a motor vehicle headlight in a perspective view,
    11, the reflector arranged on the heat sink, a screw and a cover part,
    12 the screwed to the heat sink with the screw reflector,
    13 the riveted by means of a rivet to the support frame housing
    14 shows the housing which is hot-stiched with the support frame,
    FIG. 15 shows the housing laser-sealed with the support frame, FIG.
    16 shows a vehicle lamp in an exploded view,
    17 is a vehicle headlight light module in an exploded view.
    First, reference is made to FIG. 1. This shows a conventional latching connection in a vehicle lamp for daytime running lights. The vehicle lights typically include a housing 21, a support frame 22 for optically relevant components (not shown) and a cover (not shown). In addition, it should be obvious to any person skilled in the art that each vehicle lamp also has other components that enable it to function properly. In the context of the present invention, however, no reference is made to these other components, since they are immaterial to the invention.
    As shown in Fig. 1, the housing is connected in a conventional vehicle lamp by means of a latching connection with the support frame. In this case, both the housing 21 and the support frame 22 each have a latching lug 20a, 20b, which locking lugs 20a, 20b engage in the connection and lock in a predetermined position.
    This is just one example of several detent connections used in automotive construction. In addition, it is important to mention that the catch lugs essential for the snap-in connections in the production series must be coordinated. As already mentioned, the production of components with the corresponding coordinated locking lugs requires a complicated, complex tool and incessantly incurs additional costs.
    According to the invention, the latching connection is dispensed with and replaced by another type of connection.
    FIGS. 2 to 6 illustrate the essential steps of the method according to the invention in a first example. In this case, a form-locking connection is made between a first component 4 (FIGS. 2 and 3) designed as a housing of a vehicle lamp and a second component Support frame (for example, for optically relevant components of the vehicle lamp) of a vehicle lamp formed second component 8 by means of a trained as a screw connecting element 1 (Fig. 4). The support frame 8 is fastened to the housing 4 by means of the method according to the invention, the housing 4 fulfilling a supporting function for the support frame 8.
    FIG. 3 shows an enlarged detail of FIG. 2. FIG. 3 shows an outer side 4 a and an inner side 4 b, wherein the outer side 4 a has an attachment region 5, which is formed as a recess 6, which acts as a the inside 4b opening through hole 7 is continued, wherein the through hole 7 has an inner side 4b facing away from the shoulder region 2 and an inner side opening portion 10. Furthermore, the recess 6 optionally has one or more airflow openings 70. These can be used to regulate the circulation of air inside the vehicle lamp and dissipate by heating inside the vehicle lamp resulting warm air to the outside of the vehicle lamp. The air flow openings are especially important when the recess 6 is formed as a ventilation opening of the vehicle lamp. In addition, in Fig. 4, a recess 6 associated facultative cover 9, for example, a membrane to see. The cover part 9, which may be formed, for example, from a liquid-tight or liquid-tight and airtight material, serves to prevent the ingress of liquid (for example water) or liquid and air from the outside 4a into the recess 6. However, if one uses corrosion resistant fasteners (eg screws or, as described below, rivets) and / or the recess 6 is not formed as a vent, there is no need to stop the liquid or liquid and air from entering the recess 6 and this with To seal a cover 9 of the type mentioned above
    Fig. 4 shows a pre-perforated with a pre-hole 12 support frame 8, wherein the pre-hole is formed as a blind hole 12, wherein the blind hole 12 may have an internal thread 13 (see Fig. 6). In addition, in FIG. 4, a screw 1 can be seen, the pin has an external thread 14 and unilaterally in a screw head 3 (end portion of the connecting element) opens, and, as already mentioned, a cover 9. Here, the support frame 8 is not pre-perforated be. It is quite conceivable to use a non-pre-punched support frame 8. In a non-pre-punched support frame or in a pre-punched support frame in which the pre-hole has no internal thread, it is expedient to use a self-tapping screw.
    FIG. 5 shows a first step - step a) - of the method in which the support frame 8 is arranged on the inner side opening region 10 of the through hole 7 of the housing 4. It is advantageous in a connection by means of the screw 1, if the diameter of the through hole 7 and the diameter of at least one on one side of the support frame 8 opening blind hole 12 are equal and the edges 12a of a blind hole opening to the edges 7a of a through hole opening of the through hole 7 in Inner side opening area are created.
    In a further step b), the connecting element 1, in this embodiment, the screw 1, through the through hole 7 is performed. It is important in this embodiment that the implementation of a screw head 3 opposite end 30 of the screw 1 on the outside 4a of the first component 4 is done through the through hole 7 and the production of a connection from the outside 4a of the housing 4 of the vehicle lamp. In contrast to a connection via the inside 4b, the connection via the outside 4a has two advantages: Firstly, the screw in the visible range of the vehicle lamp is not permissible, secondly there is no space outside the field of vision. In the next step b2), the screw 1 is screwed into the support frame 8. As mentioned above, different types of screws can be used at these locations, depending on whether the support frame 8 is already pre-punched and the pre-hole 12 has an internal thread 13. In a self-tapping screw when screwing it cuts a pre-hole 12, if such is not yet present, and an internal thread 13 in the support frame 8 (Fig. 6). In this case, as shown in Fig. 6, the housing 4 is fixed to the support frame 8 by applying the screw head 3 to the shoulder portion 2 of the recess 6.
    In a further optional step d), the recess 6 is covered by means of the cover part 9, for example a membrane (FIG. 7). It may be advantageous for reasons mentioned above, if the cover member 9 is formed of a liquid-tight material and the recess 6 seals liquid-tight. In addition, a liquid and airtight sealing of the recess 6 by means of a liquid-tight and airtight cover member 9 is conceivable. This substantially eliminates liquid or liquid and air from the outside 4a to the inside 4b and consequently to the support frame 8 and inside the vehicle lamp.
    Fig. 8 shows the screwed by means of the screw 1 to the support frame 8 housing 4 in a perspective view. The housing 4 has three fastening areas designed as ventilation openings 5a, 5b, 5c. The ventilation opening 5a is sealed, for example, with a liquid-tight and airtight or with a liquid-tight cover part 90. So that the ventilation of the vehicle lamp is not impaired, the already mentioned above air flow openings 70 may be provided, which are important in a trained as a vent opening 6. In Fig. 9 an enlarged view of the ventilation opening 5a is shown from the side 4a opposite the side. Therein, two above-mentioned air flow openings 70 can be seen in the housing 4 to see.
    FIGS. 10 to 12 show a further exemplary embodiment of the invention. Here, the second component is designed as a reflector 80 and the first component as a reflector 80 carrying the heat sink 40. 10 shows the heat sink 40, which has an outer side 40a, an inner side 40b and an inner side opening region 10, and the reflector 80, each in a perspective view. Fig. 11 shows the reflector 80, the heat sink 40, a screw 1 and a turn optional cover 9 in side view. The reflector 80 has a pre-hole 12 formed as a through-hole and a reflecting surface 80a. The reflector is disposed at the inner side opening portion 10 of a through hole 7 of the heat sink 40 (step a)), with the reflecting surface 80a facing away from the inside 40b of the heat sink, so that a pre-hole opening portion 12a of the protrusion 12 is toward the inner side opening portion 10 of the through hole 7 of the heat sink 40 is turned so that the pre-hole 12 is disposed opposite to the through hole 7. It can be provided that the pre-hole 12 and the through hole 7 have the same diameter. The screw 1 is used in such a manner that the passage of an end 30 of the screw 1 opposite the screw head 3 takes place via the outer side 40 a of the heat sink 40 through the through hole 7 in order to connect the heat sink 40 to the reflector 80 from the outer side 40 a of the heat sink 40 to enable. In contrast to a connection via the inner side 40b, the connection via the outer side 40a also has two advantages in this exemplary embodiment: First, the screw 1 is not permissible in the field of vision of the reflector 80; secondly, there is no space for connection via the inner side 40b outside the field of vision of the reflector 80 available. In a subsequent step b2), the screw 1 is screwed into the reflector 80. As mentioned above, different types of screws may be used at these locations, depending on whether the reflector 80 is already pre-punched and the pre-hole 12 (as shown in FIG. 11) has an internal thread 13 (not shown in FIG. 11). In a self-tapping screw when screwing it cuts a Vorloch 12 (not shown), if such is not yet present, in the reflector 80. In a pre-hole 12 without internal thread having reflector 80, the screw cuts an internal thread 13 in the walls of the Vorlochs 12 of the reflector 80 (FIG. 12). In this case, as shown in Fig. 12, the heat sink 40 is fixed to the reflector 80 by applying the screw head 3 to the shoulder portion 2 of the recess 6.
    In a further optional step d), the recess 6 is covered by means of the cover part 9, for example a membrane (FIG. 12). It is advantageous if the cover member 9 is formed of a liquid-tight material and the recess 6 seals liquid-tight. In addition, a liquid and airtight sealing of the recess 6 by means of a liquid-tight and airtight cover member 9 is conceivable. This substantially eliminates liquid or liquid and air from the outside 40a to the inside 40b and thus to the reflector 80 and inside the vehicle light module.
    FIG. 13 shows the result of the method according to the invention, in which the first component is once again designed as a housing 4 and the second component as a support frame 8, wherein the connecting element is designed as a rivet 100. Furthermore, far the support frame 8, a pre-hole 120, which in the housing 4 facing region has a pre-hole shoulder region 121 which can be used to produce a positive connection during riveting. At this time, the rivet 100 having the end opposite to a rivet head 300 is passed through the through hole 7 opening on the inner side 4b and formed as a continuation of the recess 6 in a fixing portion 5 of the housing 4 and inserted into the pre-hole 120 ,
    Subsequently, the housing 4 is riveted to the support frame 8. Thereafter, the recess 6 can be covered with a cover member as described above. Whether the recess is covered with a cover member or not depends not on whether the connecting element is formed as a screw or a rivet, but only on whether the recess is formed as a ventilation opening and / or whether the connecting element of a corrosion-resistant Material is formed. For example, in a connecting element formed of a corrosion-resistant material and in a recess without ventilation opening no cover is necessary.
    Figures 14 and 15 show results of two further variants of the method according to the invention, wherein the connecting element 1 in both cases shown as a header of the second component - in these examples of the support frame 8, i. integral with the support frame 8, is formed. First, reference is made to FIG. 14. It shows a support frame 8 disposed on an inner side opening portion 10 of the through hole 7 of the first component - in these examples of the housing 4. Where the support frame 8 is disposed on the inner side opening portion such that the end part formed in the same step with the pin of the connection member 1 (not shown) from the inside 4b of the housing 4 through the through hole 7 of the housing 4 can be performed. After the end part is passed through the through hole 7 and received in the recess 6, a substantially domed end part 3 is formed from the end part by means of hot caulking (FIG. 14) or laser welding (FIG. 15) Recess 6 is created. As a result, a positive connection is formed. Subsequently, the recess 6, as described above, be covered with an example, liquid-tight or liquid and airtight cover member 9.
    Finally, FIGS. 16 and 17 each show a vehicle lighting device which has a component assembly produced by the method according to the invention. 16 shows a vehicle lamp 15 in an exploded view. This comprises a cover 18, a housing 4, a silicone adhesive 19 (a silicone adhesive layer to the
    Sealing the vehicle lamp) and a support frame 8. In addition, a screw 1 and an optional cover 9 can be seen.
    17 shows the most important components of a vehicle headlamp light module in an exploded view. It shows a lens 30, a first silicone adhesive 31 (a first silicone adhesive layer), a housing 32, a second component designed as a reflector 40, a second silicone adhesive 34 (a second silicone adhesive layer), a first component designed as a heat sink 80 , a screw 1. The optional cover 9 is not shown.
    A positive connection between the housing and the support frame (FIG. 16) or between the heat sink and the reflector (FIG. 17) is produced according to the above-mentioned method.
    The embodiments illustrated and described in the figures and in the associated description are to be understood as exemplary only and not by way of limitation. Other forms and materials of the connecting element and variants of the connection method, in particular the fixing of the first component to the second component by means of the connecting element are also encompassed by the claims.
    权利要求:
    Claims (16)
    [1]
    claims
    1. A method for producing a positive connection between a first component (4) and a second component (8) of a motor vehicle lighting device by means of a connecting element (1), which is provided by the second component (8), - wherein the first component (4) is provided as a supporting component of the second component (8) and has an outer side (4a) and an inner side (4b), - wherein the first component (4) on the outer side (4a) has a fastening region (5) which acts as a Recess (6) is formed, which is continued as a on the inside (4b) opening through hole (7), - wherein the through hole (7) has an inner side (4b) facing away from the shoulder region (2), comprising the following steps: a ) Arranging the second component (8) at an inner side opening region (10) of the through hole (7) of the first component (4), b) passing the connecting element (1) through the through hole (7), c) fixing of the first component (4) on the second component (8) by means of an end part (3) of the connecting element (1) by applying the end part (3) to the shoulder region (2) of the recess (6).
    [2]
    2. The method of claim 1, wherein the recess (6) at least one cover (9), for example, a membrane associated with, characterized in that the method further comprises the steps of: d) covering the recess (6) by means of at least one Cover part (9).
    [3]
    3. The method according to claim 2, characterized in that the at least one cover part (9) is formed from a liquid and / or air-sealing material.
    [4]
    4. The method according to claim 3, characterized by the liquid and / or airtight covering of the recess (6), wherein preferably the cover part (9) after covering the recess (6) on the outside (4a) of the first component (4) does not stand out.
    [5]
    5. The method according to any one of claims 1 to 4, characterized in that the connecting element (1) is formed separately from the second component (8).
    [6]
    6. The method according to claim 5, characterized in that the connecting element (1) as a screw and the end part (3) is designed as a screw head, wherein the passing of the screw (1) through the through hole (7) further comprises: bl) Passing the screw head (3) opposite end (30) of the screw (1) on the outside (4a) of the first component (4) through the through hole (7), b2) screwing the screw (1) in the second component (8 ).
    [7]
    7. The method according to claim 6, characterized in that the screw (1) has an external thread (14) and the second component (8) on one of the inside (4b) of the first component (4) facing side (8a) is pre-punched, wherein the pre - hole (12) has internal threads (13), wherein the external thread (14) and the internal thread (13) run into each other, and screwing the screw (1) into the second component (8) further comprises: b3) engaging the External thread (14) with the internal thread (13).
    [8]
    8. The method according to claim 5, characterized in that the connecting element is designed as a rivet (100) and the end part as a rivet head (300) and the second component (8) on one of the inside (4b) of the first component (4). bl) performing a rivet head (300) opposite end (101) of the rivet (100) on the outside (4a) of the first component (4) through the through hole (7 b2) inserting the rivet head (300) opposite end (101) of the rivet (100) in the pre-punched second component (8), b3) riveting of the first component (4) with the second component (8).
    [9]
    9. The method according to any one of claims 1 to 4, characterized in that the connecting element (1) with the second component (8) is integrally formed.
    [10]
    10. The method according to claim 9, characterized in that the connecting element (1) through the Innenseitenöffnungsbereich (10) of the through hole (7) of the first component (4) is inserted into the through hole (7).
    [11]
    11. The method according to claim 10, characterized in that the application of the end part (3) of the connecting element (1) to the shoulder region (2) of the recess (6) further comprises cl) staking the end part (3).
    [12]
    12. The method according to claim 10, characterized in that the application of the end part (3) of the connecting element (1) to the shoulder region (2) of the recess (6) further comprises cl) laser welding of the end part (3).
    [13]
    13. A composite component comprising a first component (4) of a motor vehicle lighting device, a second component (8) of the motor vehicle lighting device and a connecting element (1) which is provided by the second component (8), characterized in that a positive connection between the first component (4) and the second component (8) is produced by the method according to one of claims 1 to 12.
    [14]
    14. A composite component according to claim 13, characterized in that the first component (4) is designed as a housing of a vehicle lamp and the second component (8) as a support frame.
    [15]
    15. A composite component according to claim 13, characterized in that the first component as a heat sink (40) and the second component as a reflector (80) is formed.
    [16]
    16. Motor vehicle lighting device with at least one component composite according to one of claims 13 to 15.
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    同族专利:
    公开号 | 公开日
    CN106891800A|2017-06-27|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA51083/2015A|AT518108B1|2015-12-18|2015-12-18|Method for producing a positive connection between two components of a motor vehicle lighting device using a component-side connecting element|ATA51083/2015A| AT518108B1|2015-12-18|2015-12-18|Method for producing a positive connection between two components of a motor vehicle lighting device using a component-side connecting element|
    EP16204685.8A| EP3181993B1|2015-12-18|2016-12-16|Method for producing a form-fit connection between two components of a motor vehicle illumination device using aconnecting element|
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