CN106195456B - Elastomeric seal and seal assembly - Google Patents

Elastomeric seal and seal assembly Download PDF

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CN106195456B
CN106195456B CN201510216948.5A CN201510216948A CN106195456B CN 106195456 B CN106195456 B CN 106195456B CN 201510216948 A CN201510216948 A CN 201510216948A CN 106195456 B CN106195456 B CN 106195456B
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cable
end cap
seal
elastic
inner end
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CN106195456A (en
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董敏
蔡赵辉
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Tyco Electronics Shanghai Co Ltd
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Tyco Electronics Shanghai Co Ltd
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Priority to CN201510216948.5A priority Critical patent/CN106195456B/en
Priority to PCT/CN2016/080683 priority patent/WO2016173543A1/en
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Abstract

本发明公开一种弹性密封件,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。在本发明中,由于柱状凸起部从弹性密封件的外侧表面向外凸出,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,本发明还公开了包括前述弹性密封件的密封组件。

Figure 201510216948

The invention discloses an elastic sealing member formed with a cable hole allowing a cable to pass through. The elastic sealing member includes a first surface on one side thereof, and a cylindrical protrusion corresponding to the cable hole and protruding in the axial direction of the cable hole is formed on the first surface , and the cable holes penetrate through the corresponding columnar protrusions. In the present invention, since the cylindrical protrusion protrudes outward from the outer surface of the elastic sealing member, when the cable is subjected to a lateral external force, the cylindrical protrusion will deform laterally, so that part of the lateral external force can be absorbed, Helps reduce the influence of lateral external force on the cable hole, thereby improving the sealing of the cable. In addition, the present invention also discloses a sealing assembly comprising the aforementioned elastic sealing member.

Figure 201510216948

Description

Elastomeric seal and seal assembly
Technical Field
The present invention relates to an elastomeric seal and a seal assembly including the same.
Background
In the related art, in order to seal a port of a housing and a cable passing through the port, a rubber seal is generally used, in which a cable hole is formed, through which the cable passes. The rubber seal is compressed in an end cap that can be mounted on a port of the housing. In the prior art, the rubber sealing member is elastically deformed by pressing the rubber sealing member to fill the inner cavity of the entire end cap and the gap between the cable hole and the cable, thereby sealing the port of the cavity and the cable.
In the related art, in order to achieve reliable sealing, a large pressing force must be applied to the rubber seal in order to increase the contact pressure between the rubber seal and the inner wall surface of the end cap and the outer surface of the cable. The sealing method needs to enable the rubber sealing element to completely generate pressure on the inner wall surface of the end cover and the outer surface of the cable, and leakage channels are formed when the pressure is insufficient at any position or folds are generated due to excessive deformation. Unfortunately, however, since the rubber seal is unevenly stressed, there is a problem that local stress is excessively large, which may cause local deformation of the sealing surface of the rubber seal (the outer circumferential surface of the rubber seal and the inner circumferential surface of the cable hole), which may cause wrinkles of the rubber seal, at which leakage paths may be formed, and the sealing performance of the rubber seal may be degraded.
Furthermore, in order to be able to withstand the large pressing forces exerted on the rubber seal, the wall thickness of the end cap must be increased, which leads to increased costs. Furthermore, in the prior art, the sealing characteristics of the rubber seal must correspond to the inner cavity of a specific end cap, and therefore, the sealing characteristics of the rubber seal for the inner cavity of different end caps are different, and must be redesigned, which increases the design difficulty.
Disclosure of Invention
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
It is an object of the present invention to provide an elastomeric seal and a density assembly including the same that is capable of achieving a reliable seal under a small compressive force.
According to an aspect of the present invention, there is provided an elastic sealing member formed with a cable hole allowing a cable to pass therethrough. The elastic sealing member includes a first surface at one side thereof, and a cylindrical protrusion portion is formed on the first surface to correspond to the cable hole and protrude in an axial direction of the cable hole, and the cable hole penetrates the corresponding cylindrical protrusion portion. According to an exemplary embodiment of the present invention, the elastic sealing member includes a second surface at the other side thereof, a full turn of a flange portion is formed on an edge of the second surface, and the flange portion protrudes in an axial direction of the cable hole.
According to another exemplary embodiment of the present invention, 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 substantially perpendicular to an axial direction of the cable hole.
According to another exemplary embodiment of the present invention, the flange portion has a semicircular, semi-elliptical or rectangular cross section.
According to another exemplary embodiment of the present invention, the elastic seal includes an outer circumferential surface at a circumference thereof, and the outer circumferential surface is substantially parallel to an axial direction of the cable hole.
According to another exemplary embodiment of the present invention, the cable hole includes a first aperture part at one end thereof, a second aperture part at the other end thereof, and a third aperture part between the first aperture part and the second aperture part; the first hole diameter part and the second hole diameter part of the cable hole are smaller than the diameter of the cable, and the third hole diameter part of the cable hole is larger than the diameter of the cable; and when the cable passes through the cable hole, the first aperture part and the second aperture part of the cable hole are respectively and hermetically wrapped on the cable, and the third aperture part of the cable hole is not in contact with the cable.
According to another exemplary embodiment of the invention, the third bore portion of the cable bore is substantially spherical.
According to another exemplary embodiment of the present invention, a majority of the third bore portion of the cable bore is located in the stud boss.
According to another exemplary embodiment of the present invention, a plurality of cable holes are formed on the elastic sealing member, and the cylindrical protrusions corresponding to the plurality of cable holes are spaced apart from each other.
According to another exemplary embodiment of the present invention, a plurality of cable holes are formed on the elastic sealing member, and at least some of the columnar protrusions corresponding to the plurality of cable holes are abutted against each other.
According to another aspect of the present invention, there is provided a seal assembly comprising: an inboard end cap adapted to be mounted on a port defined by a housing; an outboard end cap adapted to be mounted on the inboard end cap; and the elastic sealing piece is arranged between the inner side end cover and the outer side end cover. The flange portion of the resilient seal is adapted to be compressed against the inboard end cap for sealing an interior cavity between the inboard and outboard end caps.
According to an exemplary embodiment of the present invention, the elastic sealing member includes an outer circumferential surface at its periphery, and the outer circumferential surface of the elastic sealing member is not in contact with the inside end cap and the outside end cap.
According to another exemplary embodiment of the present invention, a boss is formed on the inside end cap, and a cavity is formed on the outside end cap, the boss of the inside end cap being adapted to fit into the cavity of the outside end cap.
According to another exemplary embodiment of the present invention, the flange portion of the elastic seal is pressed against an edge of a top surface of the boss of the inside end cap when the inside end cap, the outside end cap, and the elastic seal are assembled on the port of the housing.
According to another exemplary embodiment of the present invention, when the inside end cap, the outside end cap, and the elastic seal are assembled on the port of the housing, the other area of the top face of the boss of the inside end cap except for the edge is not in contact with the elastic seal.
According to another exemplary embodiment of the present invention, when the inside end cap, the outside end cap, and the elastic seal are assembled on the port of the housing, a contact force between an area other than an edge of a top surface of the boss of the inside end cap and the elastic seal is smaller than a contact force between an edge of a top surface of the boss of the inside end cap and the flange portion of the elastic seal.
According to another exemplary embodiment of the present invention, a recess for receiving the cylindrical protrusion of the elastic sealing member is formed on a bottom surface of the cavity of the outside end cap; and the first surface of the resilient seal is supported on a bottom surface of a cavity of the outboard end cap when the inboard end cap, the outboard end cap, and the resilient seal are assembled on the port of the housing.
According to another exemplary embodiment of the present invention, when the inside end cap, the outside end cap, and the elastic seal are assembled on the port of the housing, a bottom surface of the recess on the bottom surface of the cavity of the outside end cap is not in contact with a top surface of the columnar convex portion of the elastic seal.
According to another exemplary embodiment of the present invention, cable holes corresponding to the cable holes of the elastic sealing member are formed on the inside end cap and the outside end cap, respectively.
According to another exemplary embodiment of the present invention, a plurality of cable holes are formed on the elastic sealing member, and after cables are inserted into all of the plurality of cable holes of the elastic sealing member, the respective cable holes of the elastic sealing member are aligned with the respective corresponding cable holes of the inside-side and outside-side end caps; and each cable hole of the elastic seal is misaligned with each corresponding cable hole of the inside end cap and the outside end cap when no cable is inserted into the plurality of cable holes of the elastic seal.
In the foregoing respective exemplary embodiments of the present invention, a full turn of the flange portion axially protruding is formed on the edge of one surface of the elastic seal member, and the inner cavity between the inner end cap and the outer end cap is sealed by axially pressing the flange portion of the elastic seal member. In various exemplary embodiments of the present invention, a full ring of axially projecting flange portion acts as an elastic sealing ring, and the inner cavity between the inner end cap and the outer end cap can be reliably sealed with a small axial pressing force, thereby improving the sealing performance, and reducing the manufacturing cost without increasing the wall thickness of the end cap.
Furthermore, in various exemplary embodiments of the present invention, since the columnar protrusion protrudes outward from the first surface (outer side surface) of the elastic sealing member, when the cable is subjected to a lateral external force, the columnar protrusion may be laterally deformed, so that a part of the lateral external force can be absorbed, which helps to reduce the influence of the lateral external force on the cable hole, so that the sealing of the cable can be improved.
Furthermore, in various exemplary embodiments of the present invention, the shape and size of the flange portion on the resilient seal may be identical for different configurations and sizes of end caps. Thus, the design difficulty of the elastic seal is reduced.
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
Drawings
FIG. 1 shows an exploded schematic view of a seal assembly according to a first exemplary embodiment of the invention;
FIG. 2 shows a perspective view of the elastomeric seal shown in FIG. 1, showing one surface of the elastomeric seal;
FIG. 3 shows a perspective view of the elastomeric seal shown in FIG. 1, showing another surface of the elastomeric seal;
FIG. 4 shows a partial cross-sectional view of the elastomeric seal shown in FIG. 1, showing the cross-sectional shape of the cable holes in the elastomeric seal;
FIG. 5 shows a schematic view of a cable inserted into the cable hole on the elastomeric seal of FIG. 4;
FIG. 6 shows a perspective view of the outboard end cap shown in FIG. 1;
FIG. 7 shows a perspective view of the inside end cap shown in FIG. 1;
FIG. 8 shows a schematic view of the seal assembly of FIG. 1 mounted on a port of a housing;
FIG. 9 shows a schematic perspective view of an elastomeric seal according to a second exemplary embodiment of the invention, showing one surface of the elastomeric seal;
FIG. 10 shows a schematic perspective view of an elastomeric seal according to a second exemplary embodiment of the invention, showing another surface of the elastomeric seal;
FIG. 11 shows a schematic perspective view of an elastomeric seal according to a third exemplary embodiment of the invention, showing one surface of the elastomeric seal; and
fig. 12 shows a perspective view of an elastomeric seal according to a third exemplary embodiment of the invention, showing another surface of the elastomeric seal.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.
According to one general technical concept of the present invention, an elastic sealing member is disclosed, which is formed with a cable hole allowing a cable to pass therethrough. The elastic sealing member includes a first surface at one side thereof, and a cylindrical protrusion portion is formed on the first surface to correspond to the cable hole and protrude in an axial direction of the cable hole, and the cable hole penetrates the corresponding cylindrical protrusion portion.
According to another general technical concept of the present invention, there is disclosed a seal assembly including: an inboard end cap adapted to be mounted on a port defined by a housing; an outboard end cap adapted to be mounted on the inboard end cap; and the elastic sealing piece is arranged between the inner side end cover and the outer side end cover. The flange portion of the resilient seal is adapted to be compressed against the inboard end cap for sealing an interior cavity between the inboard and outboard end caps.
First embodiment
FIG. 1 shows an exploded schematic view of a seal assembly according to a first exemplary embodiment of the invention; FIG. 2 shows a perspective view of the elastomeric seal 300 shown in FIG. 1, showing one surface 310 of the elastomeric seal 300; FIG. 3 shows a perspective view of the elastomeric seal 300 shown in FIG. 1, showing another surface 320 of the elastomeric seal 300; .
In one embodiment of the present invention, an elastomeric seal is disclosed. As shown in fig. 1, 2 and 3, a cable hole 301 allowing a cable 400 to pass therethrough is formed on the elastic sealing member.
As clearly shown in fig. 3, in the illustrated embodiment, the elastic sealing member 300 includes a first surface 320 at one side thereof, and a cylindrical protrusion 321 protruding in an axial direction of the cable hole 301 corresponding to the cable hole 301 is formed on the first surface 320, and the cable hole 301 penetrates the corresponding cylindrical protrusion 321.
As clearly shown in fig. 2, in the illustrated embodiment, the elastic sealing member 300 includes a second surface 310 at the other side thereof, a full turn flange portion 311 is formed on an edge of the second surface 310, and the flange portion 311 protrudes in the axial direction of the cable hole 301.
In the illustrated embodiment, as shown in fig. 2, the second surface 310 of the resilient seal 300 is substantially perpendicular to the axial direction of the cable bore 301. As shown in fig. 3, the first surface 320 of the elastic seal 300 is substantially perpendicular to the axial direction of the cable hole 301.
In the illustrated embodiment, as shown in FIG. 2, the flange portion 311 has a semi-circular cross-section. However, the present invention is not limited to the illustrated embodiment, and the flange portion 311 may have a cross-section of a semi-elliptical shape, a rectangular shape, or any other suitable shape.
As best shown in fig. 2 and 3, in the illustrated embodiment, the elastomeric seal 300 includes an outer circumferential surface 330 disposed about its circumference, and the outer circumferential surface 330 is substantially parallel to the axial direction of the cable bore 301.
Fig. 8 shows a schematic view of the seal assembly of fig. 1 mounted on a port of a housing 500.
In one embodiment of the invention, as shown in fig. 8, the seal assembly consists essentially of an inboard end cap 200, an outboard end cap 100, and the aforementioned elastomeric seal 300.
As shown in fig. 8, in the illustrated embodiment, the inboard end cap 200 is adapted to be mounted to one of the ports defined by the housing 500. The outside end cap 100 is adapted to be mounted on the inside end cap 200. An elastic seal 300 is provided between the inboard end cap 200 and the outboard end cap 100. The flange portion 311 of the resilient seal 300 is adapted to be pressed against the inboard end cap 200 for sealing the internal cavity between the inboard end cap 200 and the outboard end cap 100.
FIG. 4 shows a partial cross-sectional view of the elastomeric seal 300 shown in FIG. 1, showing the cross-sectional shape of the cable hole 301 on the elastomeric seal 300; fig. 5 shows a schematic view of a cable 400 inserted into the cable hole 301 of the elastic sealing member 300 shown in fig. 4.
As shown in fig. 4, 5 and 8, in one embodiment of the present invention, the cable hole 301 includes a first hole part 301a at one end (inner end) thereof, a second hole part 301b at the other end (outer end) thereof, and a third hole part 301c between the first hole part 301a and the second hole part 301 b.
In the illustrated embodiment, as shown in fig. 4, 5, and 8, the first and second bore portions 301a and 301b of the cable bore 301 have a bore diameter smaller than the diameter of the cable 400, and the third bore portion 301c of the cable bore 301 has a bore diameter larger than the diameter of the cable 400. In this way, when the cable 400 passes through the cable hole 301, the first and second hole diameter portions 301a and 301b of the cable hole 301 are hermetically wrapped on the cable 400, respectively, while the third hole diameter portion 301c of the cable hole 301 is not in contact with the cable 400.
With the cable hole 301 of such a structure, more reliable sealing of the cable 400 can be achieved. As shown in fig. 4, 5 and 8, the cable hole 301 of the elastic sealing member 300 may perform two or more sealing functions with respect to the cable 400. For example, when the cable 400 is acted by a side external force, the cable 400 may be biased on the inner surface of the second aperture portion 301b of the cable hole 301, resulting in uneven force of the second aperture portion 301b, resulting in too small force or even leakage at a part of the second aperture portion 301 b. At this time, the first hole portion 301a positioned inside the cable hole 301 may perform a sealing function, thereby improving reliability of cable sealing.
Further, in the illustrated embodiment, since the columnar protrusion 321 protrudes outward from the first surface (outer side surface) 320 of the elastic seal 300, when the cable 400 is subjected to a lateral external force, the columnar protrusion 321 is laterally deformed, so that a part of the lateral external force can be absorbed, which helps to reduce the influence of the lateral external force on the cable hole 301.
Further, in the illustrated embodiment, since the third bore portion 301c of the cable hole 301 is not in contact with the cable 400, when the cable 400 receives a lateral external force, the cable 400 may be freely deformed in the third bore portion 301c, so that the lateral external force can be prevented from being transmitted to the first bore portion 301a located at the inner side, and thus, the sealing performance of the cable hole 301 can be further improved.
In the illustrated embodiment, as shown in fig. 4, 5, and 8, most of the third bore portion 301c and the second bore portion 301b of the cable hole 301 are located in the columnar boss portion 321. Thus, the columnar boss 321 is ensured to have better flexibility, and the lateral external force is easily absorbed.
As best shown in fig. 4, in the illustrated embodiment, the third bore portion 301c of the cable bore 301 is substantially spherical. However, the present invention is not limited to the illustrated embodiment, and the third hole portion 301c of the cable hole 301 may have a substantially elliptical or rectangular parallelepiped shape.
As shown in fig. 2 and 3, in the illustrated embodiment, a plurality of cable holes 301 are formed on the elastic sealing member 300, and some of the columnar protrusions 321 corresponding to the plurality of cable holes 301 are adjacent to each other and others are spaced apart from each other.
The elastic sealing member 300 shown in fig. 1 to 8 is formed with 7 cable holes 301. The 7 cable holes 301 on the resilient seal 300 include a set of cable holes 301 aligned and abutting each other and three separate cable holes 301' spaced apart from the set of cable holes 301. However, 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 may be arbitrarily set according to actual circumstances.
In another embodiment of the present invention, a plurality of cable holes 301 are formed on the elastic sealing member 300, and the cylindrical bosses 321 corresponding to the plurality of cable holes 301 are spaced apart from each other.
As clearly shown in fig. 2, 3 and 8, in the illustrated embodiment, 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 circumferential surface 330 of the elastic seal 300 is not in contact with the inner end cap 200 and the outer end cap 100. That is, the elastic sealing member 300 is not pressed in the radial direction of the cable hole 301. In the illustrated embodiment, the inner cavity defined between the inboard end cap 200 and the outboard end cap 100 is sealed only by axially compressing the flange portion 311 of the resilient seal 300.
FIG. 6 shows a perspective view of the outboard end cap 100 shown in FIG. 1; fig. 7 shows a perspective view of the inside end cap 200 shown in fig. 1.
As shown in fig. 1 to 8, in the illustrated embodiment, a boss 220 is formed on the inside end cap 200, and a cavity 120 is formed on the outside end cap 100, the boss 220 of the inside end cap 200 being adapted to fit into the cavity 120 of the outside end cap 100.
As shown in fig. 1 to 8, in the illustrated embodiment, when the inner end cap 200, the outer end cap 100, and the elastic seal 300 are assembled to the port of the housing 500, the flange portion 311 of the elastic seal 300 is pressed against the edge 211 of the top surface 210 of the boss 220 of the inner end cap 200.
As shown in fig. 1 to 8, in the illustrated embodiment, when the inner end cap 200, the outer end cap 100, and the elastic seal 300 are assembled to the port of the housing 500, the other region of the top surface 210 of the boss 220 of the inner end cap 200 except for the edge 211 is not in contact with the elastic seal 300, or the contact force between the other region of the top surface 210 of the boss 220 of the inner end cap 200 except for the edge 211 and the elastic seal 300 is much smaller than the contact force between the edge 211 of the top surface 210 of the boss 220 of the inner end cap 200 and the flange portion 311 of the elastic seal 300. Thus, the second surface 310 of the elastic seal member 300 is prevented from being subjected to a force to be corrugated, and the sealing performance of the flange portion 311 at the edge of the second surface 310 can be ensured.
As best shown in fig. 6, in the illustrated embodiment, a recess 111 for receiving a cylindrical boss 321 of the resilient seal 300 is formed on the bottom surface 110 of the cavity 120 of the outer end cap 100; and the first surface 320 of the elastic seal 300 is supported on the bottom surface 110 of the cavity 120 of the outside end cap 100 when the inside end cap 200, the outside end cap 100 and the elastic seal 300 are assembled on the port of the housing 500.
In an exemplary embodiment of the present invention, as shown in fig. 1 to 8, when the inside end cap 200, the outside end cap 100, and the elastic sealing member 300 are assembled to the port of the case 500, the bottom surface of the depression 111 on the bottom surface 110 of the cavity 120 of the outside end cap 100 is not in contact with the top surface of the columnar convex portion 321 of the elastic sealing member 300. In this way, the columnar boss 321 can be prevented from being axially pressed, and thus the cable hole 301 in the columnar boss 321 can be prevented from being axially pressed, thereby improving the sealing effect of the cable hole 301.
In one exemplary embodiment of the present invention, as shown in fig. 1 to 8, cable holes 201, 101 corresponding to the cable hole 301 of the elastic sealing member 300 are formed on the inner and outer end caps 200, 100, respectively.
As shown in fig. 1 to 8, in the illustrated embodiment, after cables 400 are inserted into all of the plurality of cable holes 301 of the elastic seal 300, each cable hole 301 of the elastic seal 300 is aligned with each corresponding cable hole 201, 101 of the inside end cap 200 and the outside end cap 100. However, when the cables 400 are not inserted into the plurality of cable holes 301 of the elastic seal 300, the respective cable holes 301 of the elastic seal 300 are not aligned with the respective corresponding cable holes 201, 101 of the inside end cap 200 and the outside end cap 100. This is because, after the cable 400 is inserted into the cable hole 301 of the elastic sealing member 300, the elastic sealing member 300 is elastically deformed in the radial direction of the cable hole 301. Therefore, in consideration of the elastic deformation, when the cables 400 are not inserted into the plurality of cable holes 301 of the elastic seal 300, the respective cable holes 301 of the elastic seal 300 are not aligned with the respective corresponding cable holes 201, 101 of the inside end cap 200 and the outside end cap 100.
As shown in fig. 6, 7 and 8, in the illustrated embodiment, one connection hole 102, 202 is formed at four corners of the outside end cap 100 and the inside end cap 200, respectively. In this way, the outside end cap 100 and the inside end cap 200 can be screwed to the port of the housing 500 via four screws (not shown) passing through the connection holes 102, 202. Further, as shown in fig. 8, an elastic sealing ring 510 is further provided between the inside end cap 200 and the housing 500 for sealing a mating interface between the inside end cap 200 and the housing 500.
Second embodiment
FIG. 9 shows a schematic perspective view of an elastomeric seal 300 ' according to a second exemplary embodiment of the invention, showing one surface 310 ' of the elastomeric seal 300 '; fig. 10 shows a perspective view of a resilient seal 300 ' according to a second exemplary embodiment of the invention, showing another surface 320 ' of the resilient seal 300 '.
The elastic sealing member 300 'of the second embodiment shown in fig. 9 and 10 is different from the elastic sealing member 300 of the first embodiment shown in fig. 1 to 8 only in the number of cable holes 301'.
7 cable holes 301 are formed in the elastic sealing member 300 shown in fig. 1 to 8, and 5 cable holes 301 'are formed in the elastic sealing member 300' shown in fig. 9 and 10. Otherwise, the elastic seal 300' shown in fig. 9 and 10 is substantially the same as the elastic seal 300 shown in fig. 1 to 8, and for the sake of brevity, the description of the substantially same contents is omitted.
Third embodiment
FIG. 11 shows a schematic perspective view of a resilient seal 300 "according to a third exemplary embodiment of the invention, showing one surface 310" of the resilient seal 300 "; fig. 12 shows a schematic perspective view of a resilient seal 300 "according to a third exemplary embodiment of the invention, showing another surface 320" of the resilient seal 300 ".
The elastic sealing member 300 "of the third embodiment shown in fig. 11 and 12 is different from the elastic sealing member 300 of the first embodiment shown in fig. 1 to 8 only in the number and distribution of the cable holes 301".
The elastic seal 300 shown in fig. 1 to 8 is formed with 7 cable holes 301, and the elastic seal 300 ″ shown in fig. 11 and 12 is formed with 9 cable holes 301 ". The 9 cable holes 301 "on the elastomeric 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 cable holes 301" including four cable holes adjacent to each other.
Except for the above, the elastic seal 300 ″ shown in fig. 11 and 12 is substantially the same as the elastic seal 300 shown in fig. 1 to 8, and for the sake of brevity, the description of the substantially same contents will not be repeated.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.
Although a few embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, and that the structures described in the various embodiments may be freely combined without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.

Claims (17)

1.一种弹性密封件,其特征在于:1. An elastic seal, characterized in that: 所述弹性密封件形成有允许多根线缆(400)分别穿过的多个线缆孔(301),The elastic seal is formed with a plurality of cable holes (301) allowing a plurality of cables (400) to pass through, respectively, 所述弹性密封件(300)是单个一体化部件,所述弹性密封件(300)包括板状主体,所述板状主体包括位于其一侧的第一表面(320)和位于其另一侧的第二表面(310),在所述第一表面(320)上形成有与所述多个线缆孔(301)分别对应的、沿所述线缆孔(301)的轴向凸出的多个柱状凸起部(321),所述多个柱状凸起部(321)在所述第一表面(320)上相互间隔开,并且所述多个线缆孔(301)分别贯穿对应的柱状凸起部(321),The elastomeric seal (300) is a single integrated part, the elastomeric seal (300) comprising a plate-like body including a first surface (320) on one side thereof and a first surface (320) on the other side thereof The second surface (310) of the cable gland is formed on the first surface (320), respectively corresponding to the plurality of cable holes (301) and protruding along the axial direction of the cable holes (301). A plurality of column-shaped protrusions (321), the plurality of column-shaped protrusions (321) are spaced apart from each other on the first surface (320), and the plurality of cable holes (301) respectively pass through the corresponding cylindrical protrusions (321), 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。A flange portion (311) is formed on the edge of the second surface (310) in a whole circle, and the flange portion (311) protrudes in the axial direction of the cable hole (301). 2.根据权利要求1所述的弹性密封件,其特征在于:2. The elastic seal according to claim 1, characterized in that: 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the first surface (320) of the elastic seal (300) is substantially perpendicular to the axial direction of the cable hole (301); and 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。The second surface (310) of the elastic seal (300) is substantially perpendicular to the axial direction of the cable hole (301). 3.根据权利要求1所述的弹性密封件,其特征在于:所述凸缘部(311)具有半圆形、半椭圆形或长方形横截面。3. The elastic seal according to claim 1, wherein the flange portion (311) has a semicircular, semielliptical or rectangular cross-section. 4.根据权利要求1所述的弹性密封件,其特征在于:4. The elastic seal according to claim 1, wherein: 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。The elastic sealing member (300) includes an outer peripheral surface (330) around it, and the outer peripheral surface (330) is substantially parallel to the axial direction of the cable hole (301). 5.根据权利要求1所述的弹性密封件,其特征在于:5. The elastic seal according to claim 1, wherein: 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);The cable hole (301) includes a first aperture portion (301a) at one end thereof, a second aperture portion (301b) at the other end thereof, and the first aperture portion (301a) and the second aperture portion (301b) a third aperture portion (301c) between the aperture portions (301b); 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The diameters 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 third aperture portion of the cable hole (301) The hole diameter of (301c) is greater than the diameter of the cable (400); and 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。When the cable (400) passes through the cable hole (301), the first aperture portion (301a) and the second aperture portion (301b) of the cable hole (301) are respectively hermetically wrapped around the wire the cable (400), and the third aperture portion (301c) of the cable hole (301) is not in contact with the cable (400). 6.根据权利要求5所述的弹性密封件,其特征在于:所述线缆孔(301)的第三孔径部(301c)大致呈球形。6. The elastic seal according to claim 5, wherein the third aperture portion (301c) of the cable hole (301) is substantially spherical. 7.根据权利要求5所述的弹性密封件,其特征在于:7. The elastic seal according to claim 5, characterized in that: 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。Most of the third aperture portion (301c) of the cable hole (301) is located in the columnar protrusion (321). 8.一种密封组件,包括:8. A sealing assembly comprising: 内侧端盖(200),适于安装在由一壳体(500)限定的一个端口上;an inner end cap (200) adapted to be mounted on a port defined by a housing (500); 外侧端盖(100),适于安装在所述内侧端盖(200)上;和an outer end cap (100) adapted to be mounted on said inner end cap (200); and 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,an elastic seal (300) disposed between the inner end cover (200) and the outer end cover (100), 其特征在于:It is characterized by: 所述弹性密封件(300)由权利要求1-7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。The elastic seal (300) is defined by any one of claims 1-7, and the flange portion (311) of the elastic seal (300) is adapted to be squeezed on the inner end cap (200), for sealing the inner cavity between the inner end cover (200) and the outer end cover (100). 9.根据权利要求8所述的密封组件,其特征在于:9. The seal assembly of claim 8, wherein: 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。The elastic sealing member (300) includes an outer peripheral surface (330) located around the elastic sealing member (300), and the outer peripheral surface (330) of the elastic sealing member (300) is connected to the inner end cover (200) and the outer end cover ( 100) No contact. 10.根据权利要求8所述的密封组件,其特征在于:10. The seal assembly of claim 8, wherein: 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。A boss (220) is formed on the inner end cap (200), and a cavity (120) is formed on the outer end cap (100). The boss of the inner end cap (200) (220) is adapted to fit in the cavity (120) of the outer end cap (100). 11.根据权利要求10所述的密封组件,其特征在于:11. The seal assembly of claim 10, wherein: 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。When the inner end cap (200), the outer end cap (100) and the elastic sealing member (300) are assembled on the port of the housing (500), the elastic sealing member (300) has The flange portion (311) is pressed on the edge (211) of the top surface (210) of the boss (220) of the inner end cover (200). 12.根据权利要求11所述的密封组件,其特征在于:12. The seal assembly of claim 11, wherein: 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。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 inner end cap (200) Other areas of the top surface (210) of the boss (220) except the edge (211) are not in contact with the elastic seal (300). 13.根据权利要求11所述的密封组件,其特征在于:13. The seal assembly of claim 11, wherein: 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。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 inner end cap (200) The contact force between the other regions except the edge (211) of the top surface (210) of the boss (220) and the elastic seal (300) is smaller than that of the inner end cover (200). The contact force between the edge (211) of the top surface (210) of the boss (220) and the flange portion (311) of the elastic seal (300). 14.根据权利要求11所述的密封组件,其特征在于:14. The seal assembly of claim 11, wherein: 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A depression (111) for accommodating the cylindrical protrusion (321) of the elastic seal (300) is formed on the bottom surface (110) of the cavity (120) of the outer end cover (100); and 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。When the inner end cap (200), the outer end cap (100) and the elastic sealing member (300) are assembled on the port of the housing (500), the elastic sealing member (300) has The first surface (320) is supported on the bottom surface (110) of the cavity (120) of the outer end cap (100). 15.根据权利要求14所述的密封组件,其特征在于:15. The seal assembly of claim 14, wherein: 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。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 concave portion (111) on the bottom surface (110) of the cavity (120) is not in contact with the top surface of the cylindrical convex portion (321) of the elastic sealing member (300). 16.根据权利要求8所述的密封组件,其特征在于:16. The seal assembly of claim 8, wherein: 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)。Cable holes (201, 101) corresponding to the cable holes (301) of the elastic seal (300) are respectively formed on the inner end cover (200) and the outer end cover (100). 17.根据权利要求16所述的密封组件,其特征在于:17. The seal assembly of claim 16, wherein: 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After the cables (400) are all inserted into the plurality of cable holes (301) of the elastic sealing element (300), each cable hole (301) of the elastic sealing element (300) and the inner end cover (200) are aligned with the respective corresponding cable holes (201, 101) of the outer end cap (100); and 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。When no cable (400) is inserted into the plurality of cable holes (301) of the elastic sealing member (300), each cable hole (301) of the elastic sealing member (300) and the inner end cover (200) and the respective corresponding cable holes (201, 101) of the outer end cover (100) are not aligned.
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