• 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 sealing assembly comprises: a housing (100) formed with a through-hole for passage of an elongated member (10); a rubber sealing sleeve (400) adapted to be fitted on the elongated member (10); and a metal sealing cover (200) provided to be fitted on the rubber sealing sleeve (400) and to be connected to the housing (100), the metal sealing cover (200) is configured to compress the sleeve sealing strip (400) made of rubber, so that the rubber sealing sleeve (400) is elastically deformed and sealing a mating surface between the elongated member (10) and the through-hole of the housing (100), and the sealing assembly further comprises a plastic sleeve (300) disposed between the metal sealing cover (200) and the rubber sealing sleeve (400), so as to physically isolate the sealing cover metal (200) of the rubber sealing sleeve (400). As a result, the metal sealing cover (200) does not directly contact the rubber sealing element (400), which can effectively protect the rubber sealing element (400) against damage when it is damaged. it is compressed by the metal sealing cover (200).
    公开号:FR3059477A1
    申请号:FR1761166
    申请日:2017-11-24
    公开日:2018-06-01
    发明作者:Bo Gao；Hua Yang；Yanli Wang；Changchun Ren
    申请人:Tyco Electronics Shanghai Co Ltd；
    IPC主号:
    专利说明:

    ® FRENCH REPUBLIC
    NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY © Publication number:
    (to be used only for reproduction orders)
    ©) National registration number
    059 477
    61166
    COURBEVOIE © Int Cl 8 : H 01 R 13/447 (2017.01)
    PATENT INVENTION APPLICATION
    A1
    ©) Date of filing: 24.11.17. © Applicant (s): TYCO ELECTRONICS (SHANGHAI) © Priority: 28.11.16 CN 201621283277.0. CO. LTD.—CN. @ Inventor (s): GAO BO, YANG HUA, WANG YANLI and REN CHANGCHUN. (43) Date of public availability of the request: 01.06.18 Bulletin 18/22. ©) List of documents cited in the report preliminary research: The latter was not established on the date of publication of the request. (© References to other national documents ® Holder (s): TYCO ELECTRONICS (SHANGHAI) CO. related: LTD .. ©) Extension request (s): © Agent (s): NEUBECK WOLFGANG.
    Pty SEALING ASSEMBLY.
    FR 3 059 477 - A1 (67) A sealing assembly comprises: a housing (100) formed with a through hole to allow the passage of an elongated element (10); a rubber sealing sleeve (400) intended to be fitted onto the elongate element (10); and a metal sealing cover (200) adapted to be fitted onto the rubber sealing sleeve (400) and to be connected to the housing (100), the metal sealing cover (200) is configured to compress the sleeve sealing (400) rubber, so that the sealing sleeve (400) rubber is elastically deformed and seals a coupling surface between the elongate member (10) and the through hole of the housing (100), and the sealing assembly further includes a plastic sleeve (300) disposed between the metal sealing cover (200) and the rubber sealing sleeve (400), so as to physically isolate the sealing cover metal (200) of the rubber sealing sleeve (400). As a result, the metal sealing cover (200) does not directly touch the rubber sealing member (400), which can effectively protect the rubber sealing member (400) from damage when it is compressed by the metal sealing cover (200).
    Sealing kit
    This application claims the benefit of Chinese patent application No. CN201621283277.0 filed on November 28, 2016 with the National Intellectual Property Office of China, the full description of which is incorporated here by reference.
    The present invention relates to a sealing assembly.
    In the prior art, it is often necessary to keep one end of the connection of a hermetically sealed cable in a housing. For example, in an electrified railway application, in order to ensure a seal, the connection end of the cable must be kept in the housing in a sealed state. Currently, in the electrified railroad application, a sealing assembly for sealing a cable generally comprises a housing, a rubber sealing ring and a metal sealing cover. The connection end of the cable is introduced into the housing through a through hole in the housing. The rubber sealing ring is fitted directly onto the cable and inserted into the through hole in the housing. The metal sealing cover is fitted over the rubber sealing ring and connected to an outer wall of the housing.
    In the prior art, the metal sealing cover is directly pressed against the rubber sealing ring, so that the rubber sealing ring is elastically deformed. As a result, the rubber seal ring can seal a mating interface between the cable and the through hole in the housing.
    However, the sealing assembly of the prior art can present the following technical problems:
    (1) The hardness of the metal seal cover is much higher than that of the rubber seal ring, so when the metal seal cover is pressed directly against the rubber seal ring, the seal ring rubber can be easily worn by the metal sealing cover, which can lead to the failure of the sealing;
    (2) The metal sealing cover is fitted onto the rubber sealing ring by tight fitting, so there is great friction between the metal sealing cover and the rubber sealing ring which makes it difficult to remove the metal sealing cover from the rubber sealing ring; and (3) The rubber seal ring is mounted in the through hole of the housing by press fit, and there is great friction between the rubber seal ring and the through hole of the housing, making it difficult to remove the rubber sealing ring from the housing.
    The objective of the present invention is to overcome or alleviate at least one aspect of the above mentioned and other disadvantages or problems.
    It is an object of the present invention to provide a seal assembly, which can effectively protect a rubber seal ring from wear and damage by a metal seal cover when compressed.
    According to one aspect of the present invention, there is provided a sealing assembly, comprising: a housing formed with a through hole to allow passage of an elongated member; a rubber sealing sleeve intended to be fitted on the elongated element; and a metal sealing cover adapted to be fitted onto the rubber sealing sleeve and to be connected to the housing, the metal sealing cover is configured to compress the rubber sealing sleeve, so that the sleeve the rubber seal is resiliently deformed and seals a mating surface between the elongate member and the through hole in the housing, and the seal assembly further includes a plastic sleeve disposed between the metal seal cover and the rubber sealing sleeve, so as to physically isolate the metal sealing cover from the rubber sealing sleeve.
    According to an exemplary embodiment of the present invention, the rubber sealing sleeve comprises a front part intended to be assembled in the through hole of the housing and a rear part on which the metal sealing cover is intended to be fitted.
    According to another exemplary embodiment of the present invention, the rear portion of the rubber sealing sleeve comprises a first straight section having a cylindrical outer surface and a first inclined section having a conical outer surface; and the first straight section is located at the rear side of the first inclined part, and the conical outer surface of the first inclined part is gradually widened from the straight section to the front part.
    According to another exemplary embodiment of the present invention, the plastic sleeve comprises a second straight section having a cylindrical shape and a second inclined section having a conical shape, the second straight section is intended to be fitted on the first straight section of the rubber sealing sleeve, and the second inclined section is provided to be fitted onto the first inclined section of the rubber sealing sleeve.
    According to another exemplary embodiment of the present invention, a notch is formed in the second inclined section of the plastic sleeve, so as to increase the elasticity of the second inclined section of the plastic sleeve.
    According to another exemplary embodiment of the present invention, the metal sealing cover has an installation hole, an interior surface of the installation hole comprises a third straight section having a cylindrical shape and a third inclined part having a shape tapered, the third straight section is intended to be fitted onto the second straight section of the plastic bushing by means of a tight fit and the third inclined section is provided to be fitted onto the second inclined section of the plastic bushing by means of a tight fitting.
    According to another exemplary embodiment of the present invention, the front part of the rubber sealing sleeve has a conical outer surface gradually narrowed forward from the rear part of the rubber sealing sleeve; and the through hole of the housing has a conical inner surface gradually widened from the inside to the outside and adapted to mate with the conical outer surface of the front part of the rubber sealing sleeve.
    According to another exemplary embodiment of the present invention, a plurality of connection holes are formed in the metal sealing cover, and a plurality of tapped holes are formed in the housing at positions corresponding to the plurality of connection holes. connection, respectively; and the sealing assembly further includes a plurality of threaded connection members adapted to pass through the plurality of connection holes, respectively, and to screw into the plurality of threaded holes, respectively, so as to connect the cover metal seal on the housing.
    According to another exemplary embodiment of the present invention, the elongated element comprises a cable.
    According to another exemplary embodiment of the present invention, the first inclined section of the rubber sealing sleeve, the second inclined section of the plastic sleeve and the third inclined section of the metal sealing cover each have a taper of 1 at 30 degrees.
    According to another exemplary embodiment of the present invention, the first inclined section of the rubber sealing sleeve, the second inclined section of the plastic sleeve and the third inclined section of the metal sealing cover each have a taper of 5 at 15 degrees.
    According to another exemplary embodiment of the present invention, the first inclined section of the rubber sealing sleeve, the second inclined section of the plastic sleeve and the third inclined section of the metal sealing cover each have a taper of 10 degrees.
    According to another exemplary embodiment of the present invention, the conical outer surface of the front part of the rubber sealing sleeve and the conical inner surface of the through hole of the housing each have a taper of 1 to 20 degrees.
    According to another exemplary embodiment of the present invention, the conical outer surface of the front part of the rubber sealing sleeve and the conical inner surface of the through hole of the housing each have a taper of 3 to 10 degrees.
    According to another exemplary embodiment of the present invention, the conical outer surface of the front part of the rubber sealing sleeve and the conical inner surface of the through hole of the housing each have a taper of 6 degrees.
    îo In the various embodiments above of this disclosure, the plastic sleeve physically isolates the metal seal cover from the rubber seal. As a result, the metal sealing cover does not directly touch the rubber sealing member, which can effectively protect the rubber sealing member from wear and damage when compressed by the cover metal sealing.
    In certain exemplary embodiments of the present disclosure, the rubber sealing member, the plastic sleeve, and the metal sealing cover are formed with conical surfaces mating together, which facilitates the removal of the metal sealing cover from the rubber sealing element.
    In some exemplary embodiments of the present disclosure, the rubber seal member and the housing are formed with conical surfaces mating together, which facilitates removal of the seal member in case rubber.
    Other objects and advantages of the present description will appear on reading the following description of the present disclosure, together with the accompanying drawings, and can facilitate the understanding of the present disclosure.
    The above and other features of this disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which:
    Figure 1 is an illustrative perspective view of a sealing assembly according to an exemplary embodiment of this disclosure;
    Figure 2 is a longitudinal sectional view of the sealing assembly of Figure 1;
    Figure 3 is an illustrative perspective view of a rubber sealing sleeve of the sealing assembly of Figure 1;
    Figure 4 is a plan view of the rubber sealing sleeve of Figure 3;
    Figure 5 is an illustrative perspective view of a plastic sleeve of the seal assembly of Figure 1;
    Figure 6 is a cross-sectional view of the plastic sleeve of Figure 5;
    Figure 7 is an illustrative perspective view of a housing of the sealing assembly of Figure 1;
    Figure 8 is a cross-sectional view of the housing of Figure 7;
    Figure 9 is an illustrative perspective view of a metal sealing cover of the sealing assembly of Figure 1; and
    FIG. 10 is a cross-sectional view of the metal sealing cover of FIG. 9.
    Embodiments of the present invention will be described below in detail with reference to the accompanying drawings, in which like reference numerals refer to like elements.
    The present invention may, however, take many different forms and should not be interpreted as limited to the embodiment presented here; on the contrary, these embodiments are intended to clarify the present disclosure and to explain the concept of disclosure to those skilled in the art.
    In the following detailed description, for purposes of explanation, many specific details are presented in order to provide an in-depth understanding of the embodiments described. It will appear, however, that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown schematically in order to simplify the drawing.
    According to a general concept of the present disclosure, a sealing assembly is provided, comprising: a housing formed with a through hole to allow the passage of an elongated element; a rubber sealing sleeve intended to be fitted on the elongated element; and a metal sealing cover adapted to be fitted onto the rubber sealing sleeve and to be connected to the housing, the metal sealing cover is configured to compress the rubber sealing sleeve, so that the sleeve rubber seal is elastically deformed and seals a mating surface between the elongate member and the through hole in the housing, the seal assembly further includes a plastic sleeve disposed between the metal seal cover and the sleeve sealing rubber, so as to physically isolate the metal sealing cover from the rubber sealing sleeve.
    Figure 1 is an illustrative perspective view of a sealing assembly according to an exemplary embodiment of this disclosure; and FIG. 2 is a view in longitudinal section of the sealing assembly of FIG. 1.
    In one embodiment, as shown in Figures 1 and 2, the sealing assembly essentially comprises a housing 100, a metal sealing cover 200, a plastic sleeve 300 and a sleeve or ring. rubber seal 400.
    Figure 7 is an illustrative perspective view of a housing 100 of the sealing assembly of Figure 1; and FIG. 8 is a cross-sectional view of the housing 100 of FIG. 7.
    In one embodiment, as shown in Figures 1-2 and 7-8, the housing 100 is formed with a through hole 101 which allows the passage of an elongate element 10. The rubber sealing sleeve 400 is designed to be fitted or adjusted on the elongated element 10.
    In one embodiment, as shown in FIGS. 1-2, the metal sealing cover 200 is provided to be fitted on or fitted to the rubber sealing sleeve 400 and provided to be connected to the housing 100. plastic bush 300 is disposed between the metal sealing cover 200 and the rubber sealing sleeve 400, so as to physically isolate the metal sealing cover 200 from the rubber sealing sleeve 400.
    In one embodiment, as shown in Figures 1-2, when the metal seal cover 200 is connected to the housing 100, the metal seal cover 200 compresses the plastic sleeve 300, and compresses the sleeve. rubber seal 400 through the plastic sleeve 300, so that the rubber seal sleeve 400 is elastically deformed and seals a coupling interface between the elongate member 10 and the through hole 101 of the housing 100 .
    Figure 3 is an illustrative perspective view of a rubber sealing sleeve 400 of the sealing assembly of Figure 1; and Figure 4 is a plan view of the rubber seal sleeve 400 of Figure 3. In one embodiment, as shown in Figures 3 and 4, the rubber seal sleeve 400 includes a front portion 410 intended to be assembled in the through hole 101 of the housing 100 and a rear portion 420 on which the metal sealing cover 200 is provided to be fitted.
    In one embodiment, as shown in Figures 3 and 4, the rear portion 420 of the rubber sealing sleeve 400 comprises a first straight section 421 having a cylindrical outer surface and a first inclined section 422 having a conical outer surface . The first straight section 421 is situated at the rear side of the first inclined part 422, and the conical outer surface of the first inclined part 422 is gradually widened from the straight section 421 towards the front part 410.
    Figure 5 is an illustrative perspective view of a plastic sleeve 300 of the seal assembly of Figure 1; and FIG. 6 is a cross-sectional view of the plastic bushing 300 of FIG. 5.
    In one embodiment, as shown in Figures 5 and 6, the plastic bushing 300 has a second straight section
    320 having a cylindrical shape and a second inclined section
    310 having a conical shape, the second straight section 320 is intended to be fitted onto or adjusted to the first straight section 421 of the rubber sealing sleeve 400, and the second inclined section 310 is provided to be fitted onto or adjusted to the first inclined part 422 of the rubber sealing sleeve 400.
    In one embodiment, as shown in FIGS. 5 and 6, a notch 311 is formed in the second inclined section 310 of the plastic sleeve 300, so as to increase the elasticity of the second inclined section
    310 from plastic sleeve 300.
    Figure 9 is an illustrative perspective view of a metal sealing cover 200 of the sealing assembly of Figure 1; FIG. 10 is a cross-sectional view of the metal sealing cover 200 of FIG. 9.
    In one embodiment, as shown in FIGS. 9 and 10, the metal sealing cover 200 has a mounting hole 201, an interior surface of the mounting hole 201 comprises a third straight section 220 having a cylindrical shape and a third inclined part 210 having a conical shape, the third rectilinear section 220 is intended to be fitted or fitted on the second straight section 320 of the plastic sleeve 300 by tight fitting, and the third inclined section 210 is provided to be fitted or fitted on the second inclined section 310 of the plastic sleeve 300 by tight fitting.
    In one embodiment, as shown in FIGS. 3-4 and 7-8, the front part 410 of the rubber sealing sleeve 400 has a conical external surface 411 gradually narrowed forward from the partieο part rear 420 of the rubber sealing sleeve 400. The through hole 101 of the housing 100 has a conical interior surface 110 progressively widened from the inside to the outside and designed to mate with the conical exterior surface 411 of the front part 410 of the rubber sealing sleeve 400.
    In one embodiment, as shown in Figures 1-2 and 7-8, a plurality of connection holes 202 are formed in the metal sealing cover 200, a plurality of threaded holes 102 which correspond to (e.g. , aligned with) the plurality of connecting holes 202, respectively, are formed in the housing 100. The sealing assembly further includes a plurality of threaded connection members 500 provided to pass through the plurality of connecting holes connection 202, respectively, and be screwed into the plurality of threaded holes 102, respectively, so as to connect the metal sealing cover 200 to the housing 100.
    In one embodiment, as shown in Figures 1-2, the elongate member 10 may include a cable.
    In an exemplary embodiment of the present invention, as shown in Figures 3-10, the first inclined portion 422 of the rubber sealing sleeve 400, the second inclined section 310 of the plastic sleeve 300 and the third portion 310 of the metal sealing cover 200 may each have a taper of 1 to 30 degrees, preferably have a taper of 5 to 15 degrees, and more preferably, a taper of 10 degrees.
    In an exemplary embodiment of the present invention, as shown in the figures. 3-4 and 7-8, the conical outer surface 411 of the front part 410 of the rubber sealing sleeve 400 and the conical inner surface 110 of the through hole 101 of the housing 100 may each have a taper of 1 to 20 degrees , preferably have a taper of 3 to 10 degrees, and more preferably, a taper of 6 degrees.
    Those skilled in the art will readily appreciate that the above embodiments are purely illustrative and not restrictive examples. For example, many modifications can be made to the above embodiments by those skilled in the art, and various features described in different embodiments can be freely combined with each other without conflict of configuration or principle.
    Although several examples of embodiments have been shown and described, those skilled in the art will understand that various changes or modifications may be made to these embodiments without departing from the principles and spirit of the disclosure.
    As used here, an element cited in the singular and preceded by the indefinite article ‘one’ or doit one ’must be understood as not excluding the plural of said elements or steps, unless expressly stated otherwise. In addition, references to an embodiment of the present invention should not be interpreted as excluding the existence of additional embodiments which also incorporate the features presented. In addition, unless otherwise indicated, the embodiments comprising or presenting an element or a plurality of elements having a particular property may include additional elements which do not have this property.
    权利要求:
    Claims (15)
    [1" id="c-fr-0001]
    1. Sealing assembly, comprising:
    a housing (100) formed with a through hole (101) to allow the passage of an elongated element (10);
    a rubber sealing sleeve (400) adapted to be fitted on the elongate element (10); and a metal sealing cover (200) adapted to be fitted onto the rubber sealing sleeve (400) and to be connected to the housing (100), in which the metal sealing cover (200) is configured to compressing the rubber sealing sleeve (400) so that the rubber sealing sleeve (400) is elastically deformed and seals a mating surface between the elongate member (10) and the
    15 through hole (101) in the housing (100), and wherein the seal assembly further includes a plastic bushing (300) disposed between the metal seal cover (200) and the rubber seal sleeve (400), so as to physically isolate the metal sealing cover (200) from the
    20 rubber sealing sleeve (400).
    [2" id="c-fr-0002]
    2. Sealing assembly according to claim 1, in which the rubber sealing sleeve (400) comprises a front part (410) intended to be fitted into the through hole.
    25 (101) of the housing (100) and a rear part (420) on which the metal sealing cover (200) is intended to be fitted.
    [3" id="c-fr-0003]
    The sealing assembly of claim 2, wherein the rear portion (420) of the rubber sealing sleeve (400) includes a first straight section (421) having a cylindrical outer surface and a first inclined section (422 ) having a conical outer surface; and wherein the first cross section (421) is located at the rear side of the first inclined portion (422), and the outer conical surface
    5 of the first inclined part (422) is gradually widened from the cross section (421) towards the front part (410).
    [4" id="c-fr-0004]
    4. Sealing assembly according to claim 3, wherein the plastic sleeve (300) has a second straight section (320) having a cylindrical shape and a second inclined section (310) having a conical shape, the second straight section (320) is intended to be fitted onto the first straight section (421) of the rubber sealing sleeve (400), and the second inclined section (310) is provided to be fitted onto the first part
    15 inclined (422) of the rubber sealing sleeve (400).
    [5" id="c-fr-0005]
    5. Sealing assembly according to claim 4, in which a notch (311) is formed in the second inclined section (310) of the plastic sleeve (300), so as to increase
    The elasticity of the second inclined section (310) of the plastic sleeve (300).
    [6" id="c-fr-0006]
    The seal assembly of claim 4, wherein the metal seal cover (200) has a mounting hole (201), an interior surface of the mounting hole (201) includes a third cross section (220) having a cylindrical shape and a third inclined part (210) having a conical shape, the third rectilinear section (220) is intended to be fitted onto the second straight section (320) of the plastic sleeve (300) by
    30 press fit, and the third inclined section (210) is adapted to be fitted onto the second inclined section (310) of the plastic sleeve (300) by press fit.
    [7" id="c-fr-0007]
    7. Sealing assembly according to claim 2, in which the front part (410)
    5 of the rubber sealing sleeve (400) has a conical outer surface (411) gradually narrowed forward from the rear part (420) of the rubber sealing sleeve (400); and wherein the through hole (101) of the housing (100) has a conical interior surface (110) progressively enlarged from the interior to the exterior and adapted to mate with the conical exterior surface (411) of the part front (410) of the rubber sealing sleeve (400).
    [8" id="c-fr-0008]
    8. Sealing assembly according to claim 1,
    Wherein a plurality of connection holes (202) are formed in the metal seal cover (200), and a plurality of threaded holes (102) are formed in the housing (100) at positions corresponding to the plurality of connection holes (202), respectively; and wherein the sealing assembly further comprises a plurality
    20 threaded connection elements (500) provided to pass through the plurality of connection holes (202), respectively, and to be screwed into the plurality of threaded holes (102), respectively, so as to connect the cover metal seal (200) on the housing (100).
    25
    [9" id="c-fr-0009]
    9. Sealing assembly according to claim 1, wherein the elongate element (10) comprises a cable.
    [10" id="c-fr-0010]
    10. Sealing assembly according to claim 6, wherein the first inclined section (422) of the sealing sleeve in
    30 rubber (400), the second inclined section (310) of the plastic sleeve (300) and the third inclined section (210) of the metal sealing cover (200) each have a taper of 1 to 30 degrees.
    5
    [11" id="c-fr-0011]
    11. A sealing assembly according to claim 6, wherein the first inclined section (422) of the rubber sealing sleeve (400), the second inclined section (310) of the plastic sleeve (300) and the third section inclined (210) of the metal sealing cover (200) each have a taper of 5 to 15 degrees.
    [12" id="c-fr-0012]
    12. Sealing assembly according to claim 6, wherein the first inclined section (422) of the rubber sealing sleeve (400), the second inclined section (310) of the sleeve
    The plastic (300) and the third inclined section (210) of the metal seal cover (200) each have a taper of 10 degrees.
    [13" id="c-fr-0013]
    13. Sealing assembly according to claim 7,
    20 in which the conical outer surface (411) of the front part (410) of the rubber sealing sleeve (400) and the conical inner surface (110) of the through hole (101) of the housing (100) each have a taper from 1 to 20 degrees.
    25
    [14" id="c-fr-0014]
    14. The sealing assembly as claimed in claim 13, in which the conical outer surface (411) of the front part (410) of the rubber sealing sleeve (400) and the conical inner surface (110) of the through hole (101 ) of the housing (100) each have a taper of 3 to 10 degrees.
    [15" id="c-fr-0015]
    15. Sealing assembly according to claim 7, in which the conical outer surface (411) of the front part (410) of the rubber sealing sleeve (400) and the inner surface
    5 conical (110) of the through hole (101) of the housing (100) each have a taper of 6 degrees
    1/10
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    GB2559239B|2021-12-22|
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    JP2018102114A|2018-06-28|
    引用文献:
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    法律状态:
    2018-10-11| PLFP| Fee payment|Year of fee payment: 2 |
    2019-10-14| PLFP| Fee payment|Year of fee payment: 3 |
    2020-03-06| PLSC| Publication of the preliminary search report|Effective date: 20200306 |
    2020-10-13| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201621283277.0U|CN206377352U|2016-11-28|2016-11-28|Seal assembly|
    CN201621283277.0|2016-11-28|
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