WO2016173543A1 - 弹性密封件和密封组件 - Google Patents

弹性密封件和密封组件 Download PDF

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Publication number
WO2016173543A1
WO2016173543A1 PCT/CN2016/080683 CN2016080683W WO2016173543A1 WO 2016173543 A1 WO2016173543 A1 WO 2016173543A1 CN 2016080683 W CN2016080683 W CN 2016080683W WO 2016173543 A1 WO2016173543 A1 WO 2016173543A1
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WO
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Prior art keywords
cable
elastic seal
end cap
seal
inner end
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PCT/CN2016/080683
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English (en)
French (fr)
Inventor
董敏
蔡赵辉
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爱德奇电讯国际贸易（上海）有限公司
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Publication date
Priority claimed from CN201520277983.3U external-priority patent/CN204805733U/zh
Priority claimed from CN201510216948.5A external-priority patent/CN106195456B/zh
Application filed by 爱德奇电讯国际贸易（上海）有限公司 filed Critical 爱德奇电讯国际贸易（上海）有限公司
Publication of WO2016173543A1 publication Critical patent/WO2016173543A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing

Definitions

  • the present invention relates to an elastomeric seal and a seal assembly including the same.
  • a rubber seal is generally employed, on which a cable hole is formed, through which the cable passes.
  • the rubber seal is pressed into the end cap, which can be mounted on the port of the housing.
  • the rubber seal is elastically deformed by pressing the rubber seal to fill the inner cavity of the entire end cover and the gap between the cable hole and the cable, thereby sealing the port and the cable of the cavity. .
  • the wall thickness of the end cap must be increased, which leads to an increase in cost.
  • the sealing characteristics of the rubber seal must correspond to the inner cavity of the specific end cap, and therefore the sealing characteristics of the rubber seals for the inner cavity of the different end caps are also different and must be re-established. Design increases the difficulty of design.
  • An object of the present invention is to provide an elastic seal and a seal including the same A component that is capable of achieving a reliable seal with a small compressive force.
  • an elastic seal which is formed with a cable hole allowing a cable to pass therethrough.
  • the elastic seal includes a first surface on one side thereof, and a columnar protrusion corresponding to the cable hole and protruding in an axial direction of the cable hole is formed on the first surface And the cable hole penetrates through the corresponding columnar protrusion.
  • the elastic seal includes a second surface on the other side thereof, a full-circle flange portion is formed on an edge of the second surface, and the flange portion Projecting along the axial direction of the cable hole.
  • the first surface of the elastic seal is substantially perpendicular to an axial direction of the cable hole; and the second surface of the elastic seal is The axial direction of the cable hole is substantially perpendicular.
  • the flange portion has a semicircular, semi-elliptical or rectangular cross section.
  • the elastic seal includes an outer peripheral surface located around the same, and the outer peripheral surface is substantially parallel to an axial direction of the cable hole.
  • the cable hole includes a first aperture portion at one end thereof, a second aperture portion at the other end thereof, and the first aperture portion and the second portion a third aperture portion between the aperture portions; a diameter of the first aperture portion and the second aperture portion of the cable hole is smaller than a diameter of the cable, and a diameter of a third aperture portion of the cable hole is larger than a diameter of the cable; and when the cable passes through the cable hole, the first aperture portion and the second aperture portion of the cable aperture are respectively tightly wrapped around the cable, and the cable aperture The third aperture portion is not in contact with the cable.
  • the third aperture portion of the cable aperture is substantially spherical.
  • a majority of the third aperture portion of the cable hole is located in the columnar projection.
  • a plurality of cable holes are formed in the elastic seal, and columnar projections corresponding to the plurality of cable holes are spaced apart from each other.
  • a plurality of cable holes are formed in the elastic seal, and at least some of the columnar protrusions corresponding to the plurality of cable holes are adjacent to each other .
  • a seal assembly comprising: an inner end cap adapted to be mounted on a port defined by a housing; an outer end cap adapted to be mounted on the inner end cap; The aforementioned elastic seal is disposed between the inner end cover and the outer end cover. The flange portion of the elastomeric seal is adapted to be pressed against the inner end cap for sealing a lumen between the inner end cap and the outer end cap.
  • the elastic seal includes an outer peripheral surface located around the same, and an outer peripheral surface of the elastic seal is not in contact with the inner end cover and the outer end cover.
  • a boss is formed on the inner end cap, and a concave cavity is formed on the outer end cap, and the boss of the inner end cap is adapted to be assembled In the cavity of the outer end cap.
  • the convex portion of the elastic seal is assembled when the inner end cap, the outer end cap, and the elastic seal are assembled on a port of the housing The rim is pressed against the edge of the top surface of the boss of the inner end cap.
  • the convexity of the inner end cap when the inner end cap, the outer end cap, and the elastic seal are assembled on a port of the housing Other regions of the top surface of the table other than the edges are not in contact with the elastomeric seal.
  • the convexity of the inner end cap when the inner end cap, the outer end cap, and the elastic seal are assembled on a port of the housing a contact force between the other surface of the top surface of the stage other than the edge and the elastic seal is smaller than an edge of the top surface of the boss of the inner end cover and the flange of the elastic seal Contact force between the parts.
  • a recessed portion for accommodating the columnar projection of the elastic seal is formed on a bottom surface of the cavity of the outer end cap; and at the inner end cap, When the outer end cap and the elastic seal are assembled on the port of the housing, the first surface of the elastic seal is supported on a bottom surface of the cavity of the outer end cap.
  • the cavity of the outer end cap is not in contact with the top surface of the columnar projection of the elastic seal.
  • cable holes corresponding to the cable holes of the elastic seal are respectively formed on the inner end cover and the outer end cover.
  • a plurality of cable holes are formed in the elastic seal, and after the cables are inserted into the plurality of cable holes of the elastic seal, the elastic seal
  • the respective cable holes of the piece are aligned with respective corresponding cable holes of the inner end cover and the outer end cover; and the elasticity is not inserted when a cable is inserted in the plurality of cable holes of the elastic seal
  • the respective cable holes of the seal are not aligned with the respective cable holes of the inner and outer end caps.
  • a full-circle axially projecting flange portion is formed on the edge of one surface of the elastic seal member, and is sealed by axially pressing the flange portion of the elastic seal member The inner cavity between the inner end cap and the outer end cap.
  • a full-circle axially projecting flange portion acts as an elastic sealing ring to reliably seal the inner end cap under a small axial compressive force.
  • the inner cavity between the outer end cap and the outer end cap improves the sealing and does not require an additional end
  • the wall thickness of the cover reduces manufacturing costs.
  • the columnar projection protrudes outward from the first surface (outer surface) of the elastic seal, when the cable is subjected to the lateral outward force, the columnar projection The starting portion is laterally deformed so as to be able to absorb part of the side outward force, which helps to reduce the influence of the side outward force on the cable hole, thereby improving the sealing of the cable.
  • the flange portions on the elastomeric seal may be identical in shape and size for end caps of different configurations and sizes. Therefore, the design difficulty of the elastic seal is reduced.
  • FIG. 1 shows an exploded schematic view of a seal assembly in accordance with a first exemplary embodiment of the present invention
  • Figure 2 is a perspective view showing the elastic seal shown in Figure 1, showing a surface of the elastic seal;
  • Figure 3 is a perspective view showing the elastic seal shown in Figure 1, showing the other surface of the elastic seal;
  • Figure 4 shows a partial cross-sectional view of the elastomeric seal shown in Figure 1, showing the cross-sectional shape of the cable aperture on the elastomeric seal;
  • Figure 5 shows a schematic view of the cable inserted into the cable hole on the resilient seal shown in Figure 4;
  • Figure 6 shows a perspective view of the outer end cap shown in Figure 1;
  • Figure 7 shows a perspective view of the inner end cap shown in Figure 1;
  • Figure 8 shows a schematic view of the sealing assembly shown in Figure 1 mounted on a port of the housing;
  • Figure 9 shows a perspective view of a resilient seal in accordance with a second exemplary embodiment of the present invention showing a surface of the elastomeric seal
  • Figure 10 shows a perspective view of a resilient seal in accordance with a second exemplary embodiment of the present invention showing the other surface of the elastomeric seal
  • Figure 11 shows a perspective view of a resilient seal in accordance with a third exemplary embodiment of the present invention showing a surface of the elastomeric seal
  • Figure 12 shows a perspective view of an elastomeric seal in accordance with a third exemplary embodiment of the present invention showing the other surface of the elastomeric seal.
  • an elastomeric seal is disclosed that is formed with a cable aperture that allows a cable to pass through.
  • the elastic seal includes a first surface on one side thereof, and a columnar protrusion corresponding to the cable hole and protruding in an axial direction of the cable hole is formed on the first surface And the cable hole penetrates through the corresponding columnar protrusion.
  • a seal assembly comprising: an inner end cap adapted to be mounted on a port defined by a housing; and an outer end cap adapted to be mounted on the inner end cap And the aforementioned elastic seal is disposed between the inner end cover and the outer end cover.
  • the flange portion of the elastomeric seal is adapted to be pressed against the inner end cap for sealing a lumen between the inner end cap and the outer end cap.
  • FIG. 1 shows an exploded schematic view of a seal assembly in accordance with a first exemplary embodiment of the present invention
  • FIG. 2 shows a perspective view of the elastomeric seal 300 shown in FIG. 1, showing a surface 310 of the elastomeric seal 300
  • 3 shows a perspective view of the elastomeric seal 300 shown in FIG. 1 showing the other surface 320 of the elastomeric seal 300.
  • an elastomeric seal is disclosed. As shown in FIGS. 1, 2 and 3, a cable hole 301 allowing the cable 400 to pass therethrough is formed on the elastic seal.
  • the elastic seal 300 includes a first surface 320 on one side thereof, and a cable along the cable 301 corresponding to the cable hole 301 is formed on the first surface 320.
  • the cylindrical protrusion 321 of the hole 301 protrudes in the axial direction, and the cable hole 301 penetrates through the corresponding columnar protrusion 321 .
  • the elastic seal 300 includes a second surface 310 on the other side thereof, and a full-circle flange portion 311 is formed on the edge of the second surface 310, and The flange portion 311 protrudes in the axial direction of the cable hole 301.
  • the second surface 310 of the elastomeric seal 300 is substantially perpendicular to the axial direction of the cable aperture 301.
  • the first surface 320 of the elastic seal 300 is substantially perpendicular to the axial direction of the cable hole 301.
  • the flange portion 311 has a semicircular cross section.
  • the invention is not limited to the illustrated embodiment, and the flange portion 311 may also have a cross-section that is semi-elliptical, rectangular or any other suitable shape.
  • the elastic seal 300 includes an outer peripheral surface 330 located around it, and the outer peripheral surface 330 is substantially parallel to the axial direction of the cable hole 301.
  • FIG. 8 shows a schematic view of the sealing assembly shown in FIG. 1 mounted on a port of the housing 500.
  • the seal assembly mainly includes an inner end cap 200, an outer end cap 100, and the aforementioned elastic seal 300.
  • the inboard end cap 200 is adapted to be mounted on a port defined by the housing 500.
  • the outer end cap 100 is adapted to be mounted on the inner end cap 200.
  • the elastomeric seal 300 is disposed between the inner end cap 200 and the outer end cap 100.
  • the flange portion 311 of the elastomeric seal 300 is adapted to be pressed against the inner end cap 200 for sealing the inner cavity between the inner end cap 200 and the outer end cap 100.
  • FIG. 4 shows a partial cross-sectional view of the elastic seal 300 shown in FIG. 1, showing the cross-sectional shape of the cable hole 301 on the elastic seal 300;
  • FIG. 5 shows the cable 400 inserted into the elastic seal 300 shown in FIG. Schematic diagram of cable hole 301.
  • the cable hole 301 includes a first aperture portion 301a at one end (inner end) and a second portion at the other end (outer end) thereof.
  • the second aperture portion 301b and the third aperture portion 301c located between the first aperture portion 301a and the second aperture portion 301b.
  • the apertures of the first aperture portion 301a and the second aperture portion 301b of the cable hole 301 are smaller than the diameter of the cable 400, and the cable hole 301
  • the aperture of the third aperture portion 301c is larger than the diameter of the cable 400.
  • a cable hole 301 of this configuration can achieve a more reliable sealing of the cable 400.
  • the cable hole 301 of the elastic seal 300 can perform two or more sealing functions on the cable 400. For example, when the cable 400 is subjected to a lateral outward force, the cable 400 is biased on the inner surface of the second aperture portion 301b of the cable hole 301, resulting in uneven force on the second aperture portion 301b, resulting in The local occurrence of the second aperture portion 301b is too small, and even leakage occurs. At this time, the first aperture portion 301a located inside the cable hole 301 can assume a sealing function, thereby improving the reliability of the cable seal.
  • the columnar convex portion 321 protrudes outward from the first surface (outer surface) 320 of the elastic sealing member 300, when the cable 400 is subjected to the lateral outward force, the columnar convex portion The starting portion 321 is laterally deformed so as to be able to absorb part of the side outward force, helping to reduce the influence of the lateral outward force on the cable hole 301.
  • the cable 400 since the third aperture portion 301c of the cable hole 301 is not in contact with the cable 400, when the cable 400 is subjected to the lateral outward force, the cable 400 may be in the third aperture portion.
  • the 301c is freely deformed, so that the lateral outward force can be prevented from being transmitted to the first aperture portion 301a located inside, and thus, the sealing performance of the cable hole 301 can be further improved.
  • the third aperture portion of the cable hole 301 Most of the 301c and the second aperture portion 301b are located in the columnar projections 321. Thus, it is ensured that the columnar projections 321 have better flexibility and are easy to absorb side outward forces.
  • the third aperture portion 301c of the cable aperture 301 is generally spherical.
  • the present invention is not limited to the illustrated embodiment, and the third aperture portion 301c of the cable hole 301 may also have a substantially elliptical shape or a rectangular parallelepiped shape.
  • a plurality of cable holes 301 are formed on the elastic seal 300, and some of the columnar projections 321 corresponding to the plurality of cable holes 301 are formed. Adjacent to each other, others are spaced apart from each other.
  • Seven cable holes 301 are formed in the elastic seal 300 shown in FIGS. 1 to 8.
  • the seven cable holes 301 on the elastomeric seal 300 include a set of cable holes 301 that are lined up and adjacent to each other and three separate cable holes 301' that are spaced apart from the set of cable holes 301.
  • the number and distribution of the cable holes 301 on the elastic sealing member 300 of the present invention are not limited to the illustrated embodiment, and the number and distribution of the cable holes 301 on the elastic sealing member 300 can be arbitrarily set according to actual conditions. .
  • a plurality of cable holes 301 are formed in the elastic seal 300, and the columnar projections 321 corresponding to the plurality of cable holes 301 are spaced apart from each other.
  • Figure 6 shows a perspective view of the outer end cap 100 shown in Figure 1
  • Figure 7 shows a perspective view of the inner end cap 200 shown in Figure 1.
  • a boss 220 is formed on the inner end cap 200, and a cavity 120 is formed on the outer end cap 100, and the inner end cap 200 is convex.
  • the table 220 is adapted to fit within the cavity 120 of the outer end cap 100.
  • the boss 220 of the inner end cap 200 When the inner end cap 200, the outer end cap 100, and the elastic seal 300 are assembled on the port of the housing 500, the boss 220 of the inner end cap 200 Other regions of the top surface 210 other than the edge 211 are not in contact with the elastomeric seal 300, or between the region of the top surface 210 of the boss 220 of the inner end cap 200 other than the edge 211 and the elastomeric seal 300 The contact force is much smaller than the edge 211 of the top surface 210 of the boss 220 of the inner end cap 200 and the elastic seal 300 The contact force between the flange portions 311. In this way, the second surface 310 of the elastic sealing member 300 can be prevented from being subjected to the corrugated undulation deformation, so that the sealing performance of the flange portion 311 at the edge of the second surface 310 can be ensured.
  • a recess 111 for accommodating the cylindrical projection 321 of the elastic seal 300 is formed on the bottom surface 110 of the cavity 120 of the outer end cap 100;
  • the first surface 320 of the elastomeric seal 300 is supported on the bottom surface 110 of the cavity 120 of the outer end cap 100.
  • the outer end cap 100 when the inner end cap 200, the outer end cap 100, and the elastic seal 300 are assembled on the port of the housing 500, the outer end cap 100
  • the bottom surface of the recess 111 on the bottom surface 110 of the cavity 120 is not in contact with the top surface of the columnar projection 321 of the elastic seal 300.
  • the columnar convex portion 321 can be prevented from being axially pressed, so that the cable hole 301 in the columnar convex portion 321 can be prevented from being axially pressed, thereby improving the sealing effect of the cable hole 301.
  • a cable corresponding to the cable hole 301 of the elastic seal 300 is formed on the inner end cover 200 and the outer end cover 100, respectively. Holes 201, 101.
  • the respective cable holes 301 and the inner end of the elastic seal 300 are shown.
  • the respective cable holes 201, 101 of the cover 200 and the outer end cover 100 are aligned.
  • the respective cable holes 301 of the elastic seal 300 and the corresponding cable holes 201 of the inner end cover 200 and the outer end cover 100 101 is not aligned. This is because the elastic seal 300 is elastically deformed in the radial direction of the cable hole 301 after the cable 400 is inserted into the cable hole 301 of the elastic seal 300.
  • the respective cable holes 301 of the elastic seal 300 and the inner end cover 200 and the outer end cover 100 are each The corresponding cable holes 201, 101 are not aligned.
  • connection hole 102, 202 is formed at each of the four corner portions of the outer end cover 100 and the inner end cover 200.
  • the outer end cap 100 and the inner end cap 200 can be screwed to the ports of the housing 500 via four screws (not shown) that pass through the attachment holes 102, 202.
  • an elastic sealing ring 510 is further disposed between the inner end cover 200 and the housing 500 for sealing the mating interface between the inner end cover 200 and the housing 500.
  • Figure 9 shows a perspective view of a resilient seal 300' according to a second exemplary embodiment of the present invention showing one surface 310' of the elastomeric seal 300';
  • Figure 10 shows a second exemplary implementation in accordance with the present invention A perspective view of an example of an elastomeric seal 300' showing the elastomeric seal 300' Another surface 320'.
  • the difference between the elastic seal 300' of the second embodiment shown in Figs. 9 and 10 and the elastic seal 300 of the first embodiment shown in Figs. 1 to 8 differs only in the number of cable holes 301'. different.
  • Figure 11 shows a perspective view of a resilient seal 300" according to a third exemplary embodiment of the present invention showing one surface 310" of the elastomeric seal 300";
  • Figure 12 shows a third exemplary implementation in accordance with the present invention
  • a perspective view of an example elastomeric seal 300" shows the other surface 320" of the elastomeric seal 300".
  • the difference between the elastic seal 300" of the third embodiment shown in Figs. 11 and 12 and the elastic seal 300 of the first embodiment shown in Figs. 1 to 8 is only in the number of the cable holes 301". Different from the distribution.
  • Seven cable holes 301 are formed in the elastic sealing member 300 shown in FIGS. 1 to 8, and nine cable holes 301" are formed in the elastic sealing member 300" shown in FIGS. 11 and 12.
  • the nine cable holes 301" on the elastic seal 300" include two sets of cable holes 301” arranged in two rows and a single cable hole 301" spaced apart from the two sets of cable holes 301", each set of wires
  • the cable hole 301" includes four cable holes that are adjacent to each other.”
  • the elastic sealing member 300" shown in Figs. 11 and 12 is substantially the same as the elastic sealing member 300 shown in Figs. 1 to 8, and the same reference numerals will not be repeated for the sake of brevity.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Abstract

一种弹性密封件（300、300'、300"），形成有允许线缆（400）穿过的线缆孔（301、301'、301"）。所述弹性密封件（300、300'、300"）包括位于其一侧的第一表面（320、320'、320"），并且在所述第一表面（320、320'、320"）上形成有与所述线缆孔（301、301'、301"）对应的、沿所述线缆孔（301、301'、301"）的轴向凸出的柱状凸起部（321、321'、321"），并且所述线缆孔（301、301'、301"）贯穿对应的柱状凸起部（321、321'、321"）。由于柱状凸起部（321、321'、321"）从弹性密封件（300、300'、300"）的外侧表面向外凸出，因此，当线缆（400）受到侧向外力作用时，柱状凸起部（321、321'、321"）会侧向变形，从而能够吸收部分侧向外力，有助于降低侧向外力对线缆孔（301、301'、301"）的影响，从而能够提高对线缆（400）的密封。以及一种包括前述弹性密封件（300、300'、300"）的密封组件。

Description

弹性密封件和密封组件
相关申请的交叉引用
本申请要求于2015年4月30日递交中国专利局的、申请号为201510216948.5、名称为“弹性密封件和密封组件”以及于2015年4月30日递交中国专利局的、申请号为201520277983.3、名称为“弹性密封件和密封组件”的中国专利申请的优先权权益，上述申请的全部公开内容以引用方式并入本文。
技术领域
本发明涉及一种弹性密封件以及包括该弹性密封件的密封组件。
背景技术
在现有技术中，为了密封壳体的端口以及穿过该端口的线缆，一般采用橡胶密封件，在该橡胶密封件上形成有线缆孔，线缆穿过该线缆孔。该橡胶密封件被挤压在端盖中，该端盖可以安装在壳体的端口上。在现有技术中，通过挤压橡胶密封件，使橡胶密封件发生弹性变形，以充满整个端盖的内腔以及线缆孔与线缆之间的间隙，从而密封腔体的端口以及线缆。
在现有技术中，为了实现可靠的密封，必须给橡胶密封件施加很大的挤压力，以便提高橡胶密封件与端盖的内壁面以及线缆的外表面之间的接触压力。此种密封方式需要使橡胶密封件对端盖的内壁面以及线缆的外表面都要完全产生压力，任何一处的压力不足或由于变形过大产生褶皱都会形成泄漏的通道。但是，不幸的是，由于橡胶密封件的各个部分的受力不均匀，存在局部受力过大的问题，这会导致橡胶密封件的密封面(橡胶密封件的外周面以及线缆孔的内周面)会出现局部变形过大，这会导致橡胶密封件出现褶皱，在这些褶皱处会形成泄漏通道，降低了橡胶密封件密封性能。
此外，为了能够承受施加在橡胶密封件上的较大的挤压力，必须增加端盖的壁厚，这会导致成本上升。而且，在现有技术中，橡胶密封件的密封特征必须与特定的端盖的内腔相对应，因此，用于不同的端盖的内腔的橡胶密封件的密封特征也是不同的，必须重新设计，增加了设计难度。
发明内容
本发明的目的旨在解决现有技术中存在的上述问题和缺陷的至少一个方面。
本发明的一个目的在于提供一种弹性密封件以及包括该弹性密封件的密封 组件，其能够在小压缩力的作用下实现可靠密封。
根据本发明的一个方面，提供一种弹性密封件，其形成有允许线缆穿过的线缆孔。所述弹性密封件包括位于其一侧的第一表面，并且在所述第一表面上形成有与所述线缆孔对应的、沿所述线缆孔的轴向凸出的柱状凸起部，并且所述线缆孔贯穿对应的柱状凸起部。
根据本发明的一个实例性的实施例，所述弹性密封件包括位于其另一侧的第二表面，在所述第二表面的边缘上形成有一整圈凸缘部，并且所述凸缘部沿所述线缆孔的轴向凸出。
根据本发明的另一个实例性的实施例，所述弹性密封件的所述第一表面与所述线缆孔的轴向大致垂直；并且所述弹性密封件的所述第二表面与所述线缆孔的轴向大致垂直。
根据本发明的另一个实例性的实施例，所述凸缘部具有半圆形、半椭圆形或长方形横截面。
根据本发明的另一个实例性的实施例，所述弹性密封件包括位于其四周的外周面，并且所述外周面与所述线缆孔的轴向大致平行。
根据本发明的另一个实例性的实施例，所述线缆孔包括位于其一端的第一孔径部、位于其另一端的第二孔径部、以及位于所述第一孔径部和所述第二孔径部之间的第三孔径部；所述线缆孔的第一孔径部和第二孔径部的孔径小于所述线缆的直径，所述线缆孔的第三孔径部的孔径大于所述线缆的直径；并且当所述线缆穿过所述线缆孔时，所述线缆孔的第一孔径部和第二孔径部分别密封地包裹在线缆上，而所述线缆孔的第三孔径部不与所述线缆接触。
根据本发明的另一个实例性的实施例，所述线缆孔的第三孔径部大致呈球形。
根据本发明的另一个实例性的实施例，所述线缆孔的第三孔径部的大部分位于所述柱状凸起部中。
根据本发明的另一个实例性的实施例，在所述弹性密封件上形成有多个线缆孔，并且与所述多个线缆孔对应的柱状凸起部相互间隔开。
根据本发明的另一个实例性的实施例，在所述弹性密封件上形成有多个线缆孔，并且与所述多个线缆孔对应的柱状凸起部中的至少一些相互邻接在一起。
根据本发明的另一个方面，提供一种密封组件，包括：内侧端盖，适于安装在由一壳体限定的一个端口上；外侧端盖，适于安装在所述内侧端盖上；和前述弹性密封件，设置在所述内侧端盖和所述外侧端盖之间。所述弹性密封件的所述凸缘部适于被挤压在所述内侧端盖上，用于密封所述内侧端盖和所述外侧端盖之间的内腔。
根据本发明的一个实例性的实施例，所述弹性密封件包括位于其四周的外周面，并且所述弹性密封件的外周面与所述内侧端盖和所述外侧端盖不接触。
根据本发明的另一个实例性的实施例，在所述内侧端盖上形成有一个凸台，并且在所述外侧端盖上形成有一个凹腔，所述内侧端盖的凸台适于装配在所述外侧端盖的凹腔中。
根据本发明的另一个实例性的实施例，在所述内侧端盖、所述外侧端盖和所述弹性密封件组装在所述壳体的端口上时，所述弹性密封件的所述凸缘部被挤压在所述内侧端盖的所述凸台的顶面的边缘上。
根据本发明的另一个实例性的实施例，在所述内侧端盖、所述外侧端盖和所述弹性密封件组装在所述壳体的端口上时，所述内侧端盖的所述凸台的顶面的除边缘之外的其它区域与所述弹性密封件不接触。
根据本发明的另一个实例性的实施例，在所述内侧端盖、所述外侧端盖和所述弹性密封件组装在所述壳体的端口上时，所述内侧端盖的所述凸台的顶面的除边缘之外的其它区域与所述弹性密封件之间的接触力小于所述内侧端盖的所述凸台的顶面的边缘与所述弹性密封件的所述凸缘部之间的接触力。
根据本发明的另一个实例性的实施例，在所述外侧端盖的凹腔的底面上形成有用于容纳所述弹性密封件的柱状凸起部的凹陷部；并且在所述内侧端盖、所述外侧端盖和所述弹性密封件组装在所述壳体的端口上时，所述弹性密封件的所述第一表面支撑在所述外侧端盖的凹腔的底面上。
根据本发明的另一个实例性的实施例，在所述内侧端盖、所述外侧端盖和所述弹性密封件组装在所述壳体的端口上时，所述外侧端盖的凹腔的底面上的凹陷部的底面与所述弹性密封件的柱状凸起部的顶面不接触。
根据本发明的另一个实例性的实施例，在所述内侧端盖和所述外侧端盖上分别形成有与所述弹性密封件的线缆孔相对应的线缆孔。
根据本发明的另一个实例性的实施例，在所述弹性密封件上形成有多个线缆孔，在所述弹性密封件的多个线缆孔中都插入线缆之后，所述弹性密封件的各个线缆孔与所述内侧端盖和所述外侧端盖的各个对应的线缆孔对齐；并且在所述弹性密封件的多个线缆孔中未插入线缆时，所述弹性密封件的各个线缆孔与所述内侧端盖和所述外侧端盖的各个对应的线缆孔不对齐。
在本发明的前述各个实例性的实施例中，在弹性密封件的一个表面的边缘上形成有一整圈轴向凸出的凸缘部，通过轴向挤压弹性密封件的凸缘部来密封内侧端盖和外侧端盖之间的内腔。在本发明的各个实例性的实施例中，一整圈轴向凸出的凸缘部如同一个弹性密封圈，在较小的轴向挤压力的作用下，就能够可靠地密封内侧端盖和外侧端盖之间的内腔，从而提高了密封性，而且不需要增加端 盖的壁厚，降低了制造成本。
此外，在本发明的各个实例性的实施例中，由于柱状凸起部从弹性密封件的第一表面(外侧表面)向外凸出，因此，当线缆受到侧向外力作用时，柱状凸起部会侧向变形，从而能够吸收部分侧向外力，有助于降低侧向外力对线缆孔的影响，从而能够提高对线缆的密封。
此外，在本发明的各个实例性的实施例中，对于不同结构和尺寸的端盖，弹性密封件上的凸缘部的形状和尺寸可以完全相同。因此，减少了弹性密封件的设计难度。
通过下文中参照附图对本发明所作的描述，本发明的其它目的和优点将显而易见，并可帮助对本发明有全面的理解。
附图说明
图1显示根据本发明的第一实例性的实施例的密封组件的分解示意图；
图2显示图1中所示的弹性密封件的立体示意图，显示了弹性密封件的一个表面；
图3显示图1中所示的弹性密封件的立体示意图，显示了弹性密封件的另一个表面；
图4显示图1中所示的弹性密封件的局部剖视图，显示了弹性密封件上的线缆孔的截面形状；
图5显示线缆插入图4所示的弹性密封件上的线缆孔中的示意图；
图6显示图1中所示的外侧端盖的立体示意图；
图7显示图1中所示的内侧端盖的立体示意图；
图8显示将图1所示的密封组件安装在壳体的端口上的示意图；
图9显示根据本发明的第二实例性的实施例的弹性密封件的立体示意图，显示了弹性密封件的一个表面；
图10显示根据本发明的第二实例性的实施例的弹性密封件的立体示意图，显示了弹性密封件的另一个表面；
图11显示根据本发明的第三实例性的实施例的弹性密封件的立体示意图，显示了弹性密封件的一个表面；和
图12显示根据本发明的第三实例性的实施例的弹性密封件的立体示意图，显示了弹性密封件的另一个表面。
具体实施方式
下面通过实施例，并结合附图，对本发明的技术方案作进一步具体的说明。 在说明书中，相同或相似的附图标号指示相同或相似的部件。下述参照附图对本发明实施方式的说明旨在对本发明的总体发明构思进行解释，而不应当理解为对本发明的一种限制。
根据本发明的一个总体技术构思，公开了一种弹性密封件，形成有允许线缆穿过的线缆孔。所述弹性密封件包括位于其一侧的第一表面，并且在所述第一表面上形成有与所述线缆孔对应的、沿所述线缆孔的轴向凸出的柱状凸起部，并且所述线缆孔贯穿对应的柱状凸起部。
根据本发明的另一个总体技术构思，公开了一种密封组件，包括：内侧端盖，适于安装在由一壳体限定的一个端口上；外侧端盖，适于安装在所述内侧端盖上；和前述弹性密封件，设置在所述内侧端盖和所述外侧端盖之间。所述弹性密封件的所述凸缘部适于被挤压在所述内侧端盖上，用于密封所述内侧端盖和所述外侧端盖之间的内腔。
第一实施例
图1显示根据本发明的第一实例性的实施例的密封组件的分解示意图；图2显示图1中所示的弹性密封件300的立体示意图，显示了弹性密封件300的一个表面310；图3显示图1中所示的弹性密封件300的立体示意图，显示了弹性密封件300的另一个表面320。
在本发明的一个实施例中，公开了一种弹性密封件。如图1、图2和图3所示，在弹性密封件上形成有允许线缆400穿过的线缆孔301。
如图3清楚地显示，在图示的实施例中，弹性密封件300包括位于其一侧的第一表面320，并且在第一表面320上形成有与线缆孔301对应的、沿线缆孔301的轴向凸出的柱状凸起部321，并且线缆孔301贯穿对应的柱状凸起部321。
如图2清楚地显示，在图示的实施例中，弹性密封件300包括位于其另一侧的第二表面310，在第二表面310的边缘上形成有一整圈凸缘部311，并且该凸缘部311沿线缆孔301的轴向凸出。
在图示的实施例中，如图2所示，弹性密封件300的第二表面310与线缆孔301的轴向大致垂直。如图3所示，弹性密封件300的第一表面320与线缆孔301的轴向大致垂直。
在图示的实施例中，如图2所示，凸缘部311具有半圆形横截面。但是，本发明不局限于图示的实施例，凸缘部311也可以具有半椭圆形、长方形或其它任何合适形状的横截面。
如图2和图3清楚地显示，在图示的实施例中，弹性密封件300包括位于其四周的外周面330，并且该外周面330与线缆孔301的轴向大致平行。
图8显示将图1所示的密封组件安装在壳体500的端口上的示意图。
如图8所示，在本发明的一个实施例中，该密封组件主要包括内侧端盖200、外侧端盖100和前述弹性密封件300。
如图8所示，在图示的实施例中，内侧端盖200适于安装在由壳体500限定的一个端口上。外侧端盖100适于安装在内侧端盖200上。弹性密封件300设置在内侧端盖200和外侧端盖100之间。弹性密封件300的凸缘部311适于被挤压在内侧端盖200上，用于密封内侧端盖200和外侧端盖100之间的内腔。
图4显示图1中所示的弹性密封件300的局部剖视图，显示了弹性密封件300上的线缆孔301的截面形状；图5显示线缆400插入图4所示的弹性密封件300上的线缆孔301中的示意图。
如图4、图5和图8所示，在本发明的一个实施例中，线缆孔301包括位于其一端(内侧端)的第一孔径部301a、位于其另一端(外侧端)的第二孔径部301b、以及位于第一孔径部301a和第二孔径部301b之间的第三孔径部301c。
在图示的实施例中，如图4、图5和图8所示，线缆孔301的第一孔径部301a和第二孔径部301b的孔径小于线缆400的直径，线缆孔301的第三孔径部301c的孔径大于线缆400的直径。这样，当线缆400穿过线缆孔301时，线缆孔301的第一孔径部301a和第二孔径部301b分别密封地包裹在线缆400上，而线缆孔301的第三孔径部301c不与线缆400接触。
采用这种结构的线缆孔301可以实现对线缆400的更可靠的密封。如图4、图5和图8所示，弹性密封件300的线缆孔301可以对线缆400实现两道或两道以上的密封功能。例如，当线缆400受到侧向外力作用时，线缆400会偏压在线缆孔301的第二孔径部301b的内表面上，导致第二孔径部301b的受力不均匀，从而导致在第二孔径部301b的局部出现受力过小，甚至出现泄漏。此时，位于线缆孔301的内侧的第一孔径部301a可以承担密封功能，从而提高线缆密封的可靠性。
此外，在图示的实施例中，由于柱状凸起部321从弹性密封件300的第一表面(外侧表面)320向外凸出，因此，当线缆400受到侧向外力作用时，柱状凸起部321会侧向变形，从而能够吸收部分侧向外力，有助于降低侧向外力对线缆孔301的影响。
此外，在图示的实施例中，由于线缆孔301的第三孔径部301c不与线缆400接触，因此，当线缆400受到侧向外力作用时，线缆400可以在第三孔径部301c中自由变形，从而能够防止侧向外力被传递到位于内侧的第一孔径部301a，这样，能够进一步提高线缆孔301的密封性能。
在图示的实施例中，如图4、图5和图8所示，线缆孔301的第三孔径部 301c的大部分以及第二孔径部301b位于柱状凸起部321中。这样，保证柱状凸起部321具有较好的柔性，易于吸收侧向外力。
如图4清楚地显示，在图示的实施例中，线缆孔301的第三孔径部301c大致呈球形。但是，本发明不局限于图示的实施例，线缆孔301的第三孔径部301c也可以呈大致椭圆形或长方体形。
如图2和图3所示，在图示的实施例中，在弹性密封件300上形成有多个线缆孔301，并且与多个线缆孔301对应的柱状凸起部321中的一些相互邻接在一起，另一些相互间隔开。
在图1至图8所示的弹性密封件300上形成有7个线缆孔301。弹性密封件300上的7个线缆孔301包括排成一行且相互邻接的一组线缆孔301和与一组线缆孔301分隔开的三个单独的线缆孔301’。但是，本发明的弹性密封件300上的线缆孔301的数量和分布方式不局限于图示的实施例，弹性密封件300上的线缆孔301的数量和分布方式可以根据实际情况任意设置。
在本发明的另一个实施例中，在弹性密封件300上形成有多个线缆孔301，并且与多个线缆孔301对应的柱状凸起部321相互间隔开。
如图2、图3和图8清楚地显示，在图示的实施例中，在内侧端盖200、外侧端盖100和弹性密封件300组装在壳体500的端口上时，弹性密封件300的外周面330与内侧端盖200和外侧端盖100不接触。也就是说，弹性密封件300在线缆孔301的径向方向上不会受到挤压。在图示的实施例中，仅通过轴向挤压弹性密封件300的凸缘部311来密封内侧端盖200和外侧端盖100之间限定的内腔。
图6显示图1中所示的外侧端盖100的立体示意图；图7显示图1中所示的内侧端盖200的立体示意图。
如图1至图8所示，在图示的实施例中，在内侧端盖200上形成有一个凸台220，并且在外侧端盖100上形成有一个凹腔120，内侧端盖200的凸台220适于装配在外侧端盖100的凹腔120中。
如图1至图8所示，在图示的实施例中，在内侧端盖200、外侧端盖100和弹性密封件300组装在壳体500的端口上时，弹性密封件300的凸缘部311被挤压在内侧端盖200的凸台220的顶面210的边缘211上。
如图1至图8所示，在图示的实施例中，在内侧端盖200、外侧端盖100和弹性密封件300组装在壳体500的端口上时，内侧端盖200的凸台220的顶面210的除边缘211之外的其它区域与弹性密封件300不接触，或者内侧端盖200的凸台220的顶面210的除边缘211之外的其它区域与弹性密封件300之间的接触力远小于内侧端盖200的凸台220的顶面210的边缘211与弹性密封件300 的凸缘部311之间的接触力。这样，可以避免弹性密封件300的第二表面310受力发生波纹式的起伏变形，从而能够确保第二表面310边缘的凸缘部311的密封性能。
如图6清楚地显示，在图示的实施例中，在外侧端盖100的凹腔120的底面110上形成有用于容纳弹性密封件300的柱状凸起部321的凹陷部111；并且在内侧端盖200、外侧端盖100和弹性密封件300组装在壳体500的端口上时，弹性密封件300的第一表面320支撑在外侧端盖100的凹腔120的底面110上。
在本发明的一个实例性的实施例中，如图1至图8所示，在内侧端盖200、外侧端盖100和弹性密封件300组装在壳体500的端口上时，外侧端盖100的凹腔120的底面110上的凹陷部111的底面与弹性密封件300的柱状凸起部321的顶面不接触。这样，能够防止柱状凸起部321受到轴向挤压，从而能够防止柱状凸起部321中的线缆孔301受到轴向挤压，从而提高了线缆孔301的密封效果。
在本发明的一个实例性的实施例中，如图1至图8所示，在内侧端盖200和外侧端盖100上分别形成有与弹性密封件300的线缆孔301相对应的线缆孔201、101。
如图1至图8所示，在图示的实施例中，在弹性密封件300的多个线缆孔301中都插入线缆400之后，弹性密封件300的各个线缆孔301与内侧端盖200和外侧端盖100的各个对应的线缆孔201、101对齐。但是，在弹性密封件300的多个线缆孔301中未插入线缆400时，弹性密封件300的各个线缆孔301与内侧端盖200和外侧端盖100的各个对应的线缆孔201、101不对齐。这是因为，在线缆400插入弹性密封件300的线缆孔301中之后，弹性密封件300会在线缆孔301的径向上发生弹性变形。因此，考虑到该弹性变形，在弹性密封件300的多个线缆孔301中未插入线缆400时，弹性密封件300的各个线缆孔301与内侧端盖200和外侧端盖100的各个对应的线缆孔201、101不对齐。
如图6、图7和图8所示，在图示的实施例中，分别在外侧端盖100和内侧端盖200的四个角部形成有一个连接孔102、202。这样，可以经由穿过连接孔102、202的四个螺钉(未图示)将外侧端盖100和内侧端盖200螺纹连接到壳体500的端口上。此外，如图8所示，在内侧端盖200与壳体500之间还设置有一个弹性密封圈510，用于密封内侧端盖200与壳体500之间的配合界面。
第二实施例
图9显示根据本发明的第二实例性的实施例的弹性密封件300’的立体示意图，显示了弹性密封件300’的一个表面310’；图10显示根据本发明的第二实例性的实施例的弹性密封件300’的立体示意图，显示了弹性密封件300’的 另一个表面320’。
图9和图10所示的第二实施例的弹性密封件300’与图1至图8所示的第一实施例的弹性密封件300的之间不同点仅在于线缆孔301’的数量不同。
在图1至图8所示的弹性密封件300上形成有7个线缆孔301，而在图9和图10所示的弹性密封件300’上形成有5个线缆孔301’。除此之外，图9和图10所示的弹性密封件300’与图1至图8所示的弹性密封件300基本相同，为了简洁起见，对于基本相同的内容不再赘述。
第三实施例
图11显示根据本发明的第三实例性的实施例的弹性密封件300”的立体示意图，显示了弹性密封件300”的一个表面310”；图12显示根据本发明的第三实例性的实施例的弹性密封件300”的立体示意图，显示了弹性密封件300”的另一个表面320”。
图11和图12所示的第三实施例的弹性密封件300”与图1至图8所示的第一实施例的弹性密封件300之间的不同点仅在于线缆孔301”的数量和分布方式不同。
在图1至图8所示的弹性密封件300上形成有7个线缆孔301，而在图11和图12所示的弹性密封件300”上形成有9个线缆孔301”。弹性密封件300”上的9个线缆孔301”包括排成两行的两组线缆孔301”和与两组线缆孔301”分隔开的单个线缆孔301”，每组线缆孔301”包括相互邻接的四个线缆孔”。
除了上述内容之外，图11和图12所示的弹性密封件300”与图1至图8所示的弹性密封件300基本相同，为了简洁起见，对于基本相同的内容不再赘述。
虽然结合附图对本发明进行了说明，但是附图中公开的实施例旨在对本发明优选实施方式进行示例性说明，而不能理解为对本发明的一种限制。
虽然本总体发明构思的一些实施例已被显示和说明，本领域普通技术人员将理解，在不背离本总体发明构思的原则和精神的情况下，可对这些实施例做出改变，并且各种实施例中所描述的结构在不发生结构或者原理方面的冲突的情况下可以进行自由组合，本发明的范围以权利要求和它们的等同物限定。
应注意，措词“包括”不排除其它元件或步骤，措词“一”或“一个”不排除多个。另外，权利要求的任何元件标号不应理解为限制本发明的范围。

Claims (20)

  1. 一种弹性密封件，形成有允许线缆(400)穿过的线缆孔(301)，其中：
    所述弹性密封件(300)包括位于其一侧的第一表面(320)，并且在所述第一表面(320)上形成有与所述线缆孔(301)对应的、沿所述线缆孔(301)的轴向凸出的柱状凸起部(321)，并且所述线缆孔(301)贯穿对应的柱状凸起部(321)。
  2. 根据权利要求1所述的弹性密封件，其中：
    所述弹性密封件(300)包括位于其另一侧的第二表面(310)，在所述第二表面(310)的边缘上形成有一整圈凸缘部(311)，并且所述凸缘部(311)沿所述线缆孔(301)的轴向凸出。
  3. 根据权利要求2所述的弹性密封件，其中：
    所述弹性密封件(300)的所述第一表面(320)与所述线缆孔(301)的轴向大致垂直；并且
    所述弹性密封件(300)的所述第二表面(310)与所述线缆孔(301)的轴向大致垂直。
  4. 根据权利要求2所述的弹性密封件，其中：所述凸缘部(311)具有半圆形、半椭圆形或长方形横截面。
  5. 根据权利要求2所述的弹性密封件，其中：
    所述弹性密封件(300)包括位于其四周的外周面(330)，并且所述外周面(330)与所述线缆孔(301)的轴向大致平行。
  6. 根据权利要求2所述的弹性密封件，其中：
    所述线缆孔(301)包括位于其一端的第一孔径部(301a)、位于其另一端的第二孔径部(301b)、以及位于所述第一孔径部(301a)和所述第二孔径部(301b)之间的第三孔径部(301c)；
    所述线缆孔(301)的第一孔径部(301a)和第二孔径部(301b)的孔径小于所述线缆(400)的直径，所述线缆孔(301)的第三孔径部(301c)的孔径大于所述线缆(400)的直径；并且
    当所述线缆(400)穿过所述线缆孔(301)时，所述线缆孔(301)的第一孔径部(301a)和第二孔径部(301b)分别密封地包裹在线缆(400)上，而所述线缆孔(301)的第三孔径部(301c)不与所述线缆(400)接触。
  7. 根据权利要求6所述的弹性密封件，其中：所述线缆孔(301)的第三孔径部(301c)大致呈球形。
  8. 根据权利要求6所述的弹性密封件，其中：
    所述线缆孔(301)的第三孔径部(301c)的大部分位于所述柱状凸起部(321)中。
  9. 根据权利要求6所述的弹性密封件，其中：
    在所述弹性密封件(300)上形成有多个线缆孔(301)，并且与所述多个线缆孔(301)对应的柱状凸起部(321)相互间隔开。
  10. 根据权利要求6所述的弹性密封件，其中：
    在所述弹性密封件(300)上形成有多个线缆孔(301)，并且与所述多个线缆孔(301)对应的柱状凸起部(321)中的至少一些相互邻接在一起。
  11. 一种密封组件，包括：
    内侧端盖(200)，适于安装在由一壳体(500)限定的一个端口上；
    外侧端盖(100)，适于安装在所述内侧端盖(200)上；和
    弹性密封件(300)，设置在所述内侧端盖(200)和所述外侧端盖(100)之间，
    其中：
    所述弹性密封件(300)由权利要求1-10中任一项所限定，并且所述弹性密封件(300)的所述凸缘部(311)适于被挤压在所述内侧端盖(200)上，用于密封所述内侧端盖(200)和所述外侧端盖(100)之间的内腔。
  12. 根据权利要求11所述的密封组件，其中：
    所述弹性密封件(300)包括位于其四周的外周面(330)，并且所述弹性密封件(300)的外周面(330)与所述内侧端盖(200)和所述外侧端盖(100)不接触。
  13. 根据权利要求11所述的密封组件，其中：
    在所述内侧端盖(200)上形成有一个凸台(220)，并且在所述外侧端盖(100)上形成有一个凹腔(120)，所述内侧端盖(200)的凸台(220)适于装配在所述外侧端盖(100)的凹腔(120)中。
  14. 根据权利要求13所述的密封组件，其中：
    在所述内侧端盖(200)、所述外侧端盖(100)和所述弹性密封件(300)组装在所述壳体(500)的端口上时，所述弹性密封件(300)的所述凸缘部(311)被挤压在所述内侧端盖(200)的所述凸台(220)的顶面(210)的边缘(211)上。
  15. 根据权利要求14所述的密封组件，其中：
    在所述内侧端盖(200)、所述外侧端盖(100)和所述弹性密封件(300)组装在所述壳体(500)的端口上时，所述内侧端盖(200)的所述凸台(220)的顶面(210)的除边缘(211)之外的其它区域与所述弹性密封件(300)不接触。
  16. 根据权利要求14所述的密封组件，其中：
    在所述内侧端盖(200)、所述外侧端盖(100)和所述弹性密封件(300)组装在所述壳体(500)的端口上时，所述内侧端盖(200)的所述凸台(220)的顶面(210)的除边缘(211)之外的其它区域与所述弹性密封件(300)之间的接触力小于所述内侧端盖(200)的所述凸台(220)的顶面(210)的边缘(211)与所述弹性密封件(300)的所述凸缘部(311)之间的接触力。
  17. 根据权利要求14所述的密封组件，其中：
    在所述外侧端盖(100)的凹腔(120)的底面(110)上形成有用于容纳所述弹性密封件(300)的柱状凸起部(321)的凹陷部(111)；并且
    在所述内侧端盖(200)、所述外侧端盖(100)和所述弹性密封件(300)组装在所述壳体(500)的端口上时，所述弹性密封件(300)的所述第一表面(320)支撑在所述外侧端盖(100)的凹腔(120)的底面(110)上。
  18. 根据权利要求17所述的密封组件，其中：
    在所述内侧端盖(200)、所述外侧端盖(100)和所述弹性密封件(300)组装在所述壳体(500)的端口上时，所述外侧端盖(100)的凹腔(120)的底 面(110)上的凹陷部(111)的底面与所述弹性密封件(300)的柱状凸起部(321)的顶面不接触。
  19. 根据权利要求11所述的密封组件，其中：
    在所述内侧端盖(200)和所述外侧端盖(100)上分别形成有与所述弹性密封件(300)的线缆孔(301)相对应的线缆孔(201、101)。
  20. 根据权利要求19所述的密封组件，其中：
    在所述弹性密封件(300)上形成有多个线缆孔(301)，在所述弹性密封件(300)的多个线缆孔(301)中都插入线缆(400)之后，所述弹性密封件(300)的各个线缆孔(301)与所述内侧端盖(200)和所述外侧端盖(100)的各个对应的线缆孔(201、101)对齐；并且
    在所述弹性密封件(300)的多个线缆孔(301)中未插入线缆(400)时，所述弹性密封件(300)的各个线缆孔(301)与所述内侧端盖(200)和所述外侧端盖(100)的各个对应的线缆孔(201、101)不对齐。
PCT/CN2016/080683 2015-04-30 2016-04-29 弹性密封件和密封组件 WO2016173543A1 (zh)

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