CN218385919U - Sealing ring, shell assembly and connector - Google Patents
Sealing ring, shell assembly and connector Download PDFInfo
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- CN218385919U CN218385919U CN202222190157.8U CN202222190157U CN218385919U CN 218385919 U CN218385919 U CN 218385919U CN 202222190157 U CN202222190157 U CN 202222190157U CN 218385919 U CN218385919 U CN 218385919U
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- annular body
- seal ring
- protrusions
- mounting
- annular
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Abstract
The utility model discloses a sealing washer, shell assembly and connector. The sealing washer includes: an annular body and a protrusion. The annular body has an outer peripheral surface and an inner peripheral surface which are diametrically opposed thereto, and two end surfaces which are opposed in an axial direction thereof, the end surfaces being seal surfaces. A projection is formed on an inner peripheral surface or an outer peripheral surface of the annular body for interference fit with an inner side surface of a seal ring mounting groove on a housing to hold the seal ring on the housing. The utility model discloses in, when the installation sealing washer, the sealed rib on the sealing washer can not take place to interfere with the casing, has consequently reduced the installation degree of difficulty of sealing washer to can improve the sealing performance of sealing washer.
Description
Technical Field
The utility model relates to a sealing ring, including the casing subassembly of this sealing ring and the connector including this casing subassembly.
Background
In the prior art, a connector for mounting to a mounting panel (e.g., an equipment housing) generally includes a housing, a terminal, and a grommet. The shell comprises a peripheral wall surrounding an inner cavity and a flange-shaped mounting part connected with the outer side of the peripheral wall. The terminals are disposed in the interior cavity of the housing. A packing ring mounting groove is formed on the mounting portion of the housing, and a packing ring is mounted in the packing ring mounting groove. In order to prevent the seal ring from being separated from the seal ring mounting groove. In the prior art, a protrusion is generally formed on an inner side surface of the packing installation groove. The projection is in interference fit with the seal ring to retain the seal ring in the seal ring mounting groove. However, when the seal ring is installed, the annular sealing rib on the seal ring abuts against the protrusion on the inner side surface of the seal ring installation groove, so that the installation of the seal ring is difficult, the seal ring can be installed only manually, and the sealing performance of the seal ring is reduced.
Further, in the prior art, the protrusions formed on both inner side surfaces of the packing installation groove are circumferentially offset from each other, rather than being symmetrically provided on both inner side surfaces of the packing installation groove. This can make installation of the seal ring more difficult and can cause all of the annular sealing ribs to deform, reducing the sealing performance of the seal ring.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to the utility model discloses an aspect provides a sealing washer, include: an annular body and a protrusion. The annular body has an outer peripheral surface and an inner peripheral surface which are diametrically opposed thereto, and two end surfaces which are opposed in an axial direction thereof, the end surfaces being seal surfaces. A projection is formed on an inner peripheral surface or an outer peripheral surface of the annular body for interference fit with an inner side surface of a seal ring mounting groove on a housing to hold the seal ring on the housing.
According to an exemplary embodiment of the present invention, the protrusion comprises: a plurality of first protrusions formed on an outer circumferential surface of the annular body and distributed at intervals in a circumferential direction of the annular body; and/or a plurality of second protrusions formed on the inner circumferential surface of the annular body and distributed at intervals in the circumferential direction of the annular body.
According to another exemplary embodiment of the present invention, the plurality of first protrusions are evenly spaced apart in a circumferential direction of the annular body; or the plurality of second protrusions are uniformly distributed at intervals in the circumferential direction of the annular body.
According to another exemplary embodiment of the present invention, the annular body has a plurality of corner portions at which the protrusions are formed.
According to another exemplary embodiment of the present invention, the annular body has a rectangular frame shape, including four straight side portions and four corner portions; at least one first protrusion and at least one second protrusion are formed on each straight side portion of the annular body, and one first protrusion and one second protrusion are formed on each corner portion of the annular body.
According to another exemplary embodiment of the present invention, an annular sealing rib is formed on each of both end surfaces of the annular body.
According to another exemplary embodiment of the present invention, at least three annular sealing ribs are formed on both end faces of the annular body, respectively, the at least three annular sealing ribs being radially spaced apart from each other.
According to another exemplary embodiment of the invention, an innermost one of the at least three annular sealing ribs extends axially from an inner circumferential surface of the annular body; and/or an outermost one of the at least three annular sealing ribs extends axially from the outer circumferential surface of the annular body.
According to another exemplary embodiment of the present invention, the first protrusion and the second protrusion are identical.
According to another exemplary embodiment of the present invention, the first protrusions and the second protrusions are symmetrically formed on the inner circumferential surface and the outer circumferential surface of the annular body.
According to another exemplary embodiment of the present invention, the projection comprises two end portions opposite in an axial direction of the annular body and an intermediate recess located between the two end portions; and the convex medial concavity is concave inwardly relative to the convex end to allow the end to elastically deform into the medial concavity when compressed.
According to another exemplary embodiment of the present invention, the outer surface of the convex end portion is an outwardly convex spherical surface.
According to another aspect of the present invention, there is provided a housing assembly, including: a housing including a mounting portion adapted to be mounted to a mounting panel, the mounting portion having a packing installation groove formed thereon; and the sealing ring is installed in the sealing ring installation groove of the installation part and is suitable for being axially extruded between the shell and the installation panel so as to realize sealing between the shell and the installation panel.
According to the utility model discloses a further exemplary embodiment, the sealing washer mounting groove with on the sealing washer two medial surfaces of protruding interference fit are smooth surfaces.
According to another exemplary embodiment of the present invention, the mounting portion includes an inner body portion surrounded by the seal ring mounting groove a face of the inner body portion is formed with a plurality of local protrusions on a surface of the mounting panel, a top surface of the plurality of local protrusions is for being abutted against a mounting surface on the surface of the mounting panel.
According to another exemplary embodiment of the present invention, the mounting portion further includes an outer wall portion surrounding the seal ring mounting groove, a top surface of the outer wall portion is lower than the plurality of partially convex mounting surfaces, so that the seal ring can be adjusted in the axial compression amount by adjusting the plurality of partially convex heights.
According to another exemplary embodiment of the present invention, the plurality of local protrusions are respectively located at a plurality of corners of the inner body, and the local protrusions are formed with connection holes penetrating through the installation part, so that the housing is fixed to the installation panel by a connection member passing through the connection holes.
According to another aspect of the present invention, there is provided a connector, including: the aforementioned housing assembly; and a terminal disposed in the interior cavity of the housing.
In according to each aforementioned exemplary embodiment of the utility model discloses, be formed with the arch of interfering the fit with the casing on the main part of sealing member, consequently, when the installation sealing washer, the sealing rib on the sealing washer can not take place to interfere with the casing, has consequently reduced the installation degree of difficulty of sealing washer to can improve the sealing performance of sealing washer.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention;
fig. 2 shows a cross-sectional view of a connector according to an exemplary embodiment of the present invention;
fig. 3 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention, wherein the sealing ring is not shown;
fig. 4 shows a schematic perspective view of a sealing ring of a connector according to an exemplary embodiment of the present invention;
fig. 5 shows a cross-sectional view of a seal ring of a connector according to an exemplary embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to 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 drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to the present invention, there is provided a seal ring, comprising: an annular body and a protrusion. The annular body has an outer peripheral surface and an inner peripheral surface which are diametrically opposed thereto, and two end surfaces which are opposed in an axial direction thereof, the end surfaces being seal surfaces. A projection is formed on an inner peripheral surface or an outer peripheral surface of the annular body for interference fit with an inner side surface of a seal ring mounting groove on a housing to hold the seal ring on the housing.
According to another general technical concept of the present invention, there is provided a seal ring, including: an annular body and a plurality of projections. The annular body has an outer peripheral surface and an inner peripheral surface which are diametrically opposed thereto, and two end surfaces which are opposed in an axial direction thereof, the end surfaces being seal surfaces. The plurality of projections include: a plurality of first protrusions formed on an outer circumferential surface of the annular body and distributed at intervals in a circumferential direction of the annular body; and a plurality of second protrusions formed on an inner circumferential surface of the annular body and spaced apart in a circumferential direction of the annular body. The protrusion is configured to interferingly fit with an inner side surface of a seal ring mounting groove on the housing to retain the seal ring on the housing.
According to another general technical concept of the present invention, there is provided a housing assembly, including: a housing including a mounting portion adapted to be mounted to a mounting panel, the mounting portion having a packing installation groove formed thereon; and the sealing ring is installed in the sealing ring installation groove of the installation part and is suitable for being axially extruded between the shell and the installation panel so as to realize sealing between the shell and the installation panel.
According to another general technical concept of the present invention, there is provided a connector, including: the aforementioned housing assembly; and a terminal disposed in the interior cavity of the housing.
Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the present invention; fig. 2 shows a cross-sectional view of a connector according to an exemplary embodiment of the present invention; fig. 3 shows a schematic perspective view of a connector according to an exemplary embodiment of the invention, wherein the sealing ring 2 is not shown; fig. 4 shows a schematic perspective view of a sealing ring 2 of a connector according to an exemplary embodiment of the present invention; fig. 5 shows a cross-sectional view of a sealing ring 2 of a connector according to an exemplary embodiment of the present invention.
As shown in fig. 1 to 5, in an exemplary embodiment of the present invention, a seal ring is disclosed. This sealing washer includes: an annular body 20, an annular sealing rib 21 and a plurality of protrusions 22. The annular body 20 has inner and outer circumferential surfaces opposed in its radial direction and two end surfaces opposed in its axial direction. The end surface of the annular body 20 is a sealing surface, and annular sealing ribs 21 are formed on both end surfaces of the annular body 20, respectively. The plurality of projections 22 includes a plurality of first projections 22' and a plurality of second projections 22". A plurality of first protrusions 22' are formed on the outer circumferential surface of the annular body 20 and are spaced apart in the circumferential direction of the annular body 20. A plurality of second protrusions 22 "are formed on the inner circumferential surface of the annular body 20 and are spaced apart in the circumferential direction of the annular body 20. The projection 22 is adapted to be interference-fitted with the inner side surface of the packing installation groove 120 on the housing 1 to hold the packing 2 on the housing 1.
As shown in fig. 1 to 5, in the illustrated embodiment, the first projection 22 'and the second projection 22 "are identical, and the first projection 22' and the second projection 22" are symmetrically formed on the inner circumferential surface and the outer circumferential surface of the annular body 20.
As shown in fig. 1 to 5, in the illustrated embodiment, a plurality of first protrusions 22' are evenly spaced in the circumferential direction of the annular body 20; or a plurality of second protrusions 22 "are evenly spaced in the circumferential direction of the annular body 20.
As shown in fig. 1 to 5, in the illustrated embodiment, the annular body 20 has a rectangular frame shape including four straight portions and four corner portions, and the protrusions 22 are formed on both the straight portions and the corner portions of the annular body 20.
As shown in fig. 1 to 5, in the illustrated embodiment, at least two first protrusions 22 'and at least two second protrusions 22 ″ are formed on each straight side portion of the annular body 20, and one first protrusion 22' and one second protrusion 22 ″ are formed on each corner portion of the annular body 20.
As shown in fig. 1 to 5, in the illustrated embodiment, the projection 22 includes two end portions 22a opposed in the axial direction of the annular body 20 and an intermediate recess 22b located between the two end portions 22 a. The intermediate recess 22b of the projection 22 is recessed inwardly with respect to the end 22a of the projection 22 to allow the end 22a to be elastically deformed into the intermediate recess 22b when pressed.
As shown in fig. 1 to 5, in the illustrated embodiment, the outer surface of the end portion 22a of the protrusion 22 is a spherical surface that protrudes outward.
As shown in fig. 1 to 5, in the illustrated embodiment, at least three annular sealing ribs 21 are formed on both end surfaces of the annular body 20, respectively, the at least three annular sealing ribs 21 being spaced apart from each other in the radial direction.
As shown in fig. 1 to 5, in the illustrated embodiment, the inner peripheral surface of the innermost one of the at least three annular sealing ribs 21 is flush with the inner peripheral surface of the annular body 20. The outer circumferential surface of the outermost one of the at least three annular sealing ribs 21 is flush with the outer circumferential surface of the annular body 20. In the illustrated embodiment, the innermost one of the at least three annular sealing ribs 21 extends axially from the inner peripheral surface of the annular body 20. An outermost one of the at least three annular sealing ribs 21 extends in the axial direction from the outer peripheral surface of the annular body 20.
As shown in fig. 1 to 5, in the illustrated embodiment, since the first protrusion 22' and the second protrusion 22 ″ are symmetrically formed on the inner circumferential surface and the outer circumferential surface of the annular body 20 in the illustrated embodiment. Therefore, when the packing 2 is mounted in the packing mounting groove 120, the other annular sealing ribs 21 located between the innermost one of the annular sealing ribs 21 and the outermost one of the annular sealing ribs 21 are not affected by the protrusion 22, so that the sealing performance of the packing can be improved.
In another exemplary embodiment of the present invention, as shown in fig. 1-5, a housing assembly is also disclosed. The housing assembly includes: a housing 1 and the aforementioned sealing ring 2. The housing 1 includes a mounting portion 12 adapted to be mounted to a mounting panel (not shown), and a packing mounting groove 120 is formed in the mounting portion 12. The packing 2 is mounted in the packing mounting groove 120 of the mounting portion 12. The gasket 2 is adapted to be compressed axially between the housing 1 and the mounting panel to effect a seal therebetween.
As shown in fig. 1 to 5, in the illustrated embodiment, both inner side surfaces of the packing installation groove 120 that are interference-fitted with the protrusions 22 of the packing 2 are smooth surfaces.
As shown in fig. 1 to 5, in the illustrated embodiment, the mounting part 12 includes an inner body part 121 surrounded by the packing installation groove 120, a plurality of partial protrusions 123 are formed on a surface of the inner body part 121 facing the mounting panel, and top surfaces of the plurality of partial protrusions 123 are mounting surfaces 123a for abutting on the surface of the mounting panel.
As shown in fig. 1 to 5, in the illustrated embodiment, the mounting portion 12 further includes an outer wall portion 122 surrounding the packing mounting groove 120, and a top surface 122a of the outer wall portion 122 is lower than the mounting surfaces 123a of the plurality of partial protrusions 123, so that the compression amount of the packing 2 in the axial direction can be adjusted by adjusting the heights of the plurality of partial protrusions 123.
As shown in fig. 1 to 5, in the illustrated embodiment, a plurality of partial protrusions 123 are respectively located at a plurality of corners of the inner body 121, and coupling holes 124 penetrating the mounting part 12 are formed on the partial protrusions 123, so that the case 1 can be fixed to the mounting panel by a coupling member passing through the coupling holes 124.
As shown in fig. 1 to 5, in the illustrated embodiment, the housing assembly further includes a bushing 125, the bushing 125 is fitted into the connection hole 124 of the mounting portion 12, and the connection member passes through the bushing 125 and is connected to the mounting panel.
As shown in fig. 1 to 5, in the illustrated embodiment, the housing 1 further includes a peripheral wall 11, the peripheral wall 11 encloses an inner cavity 101, and the mounting portion 12 is connected to an outer wall surface of the peripheral wall 11 and extends in a radial direction of the peripheral wall 11.
As shown in fig. 1 to 5, in the illustrated embodiment, the housing 1 further includes a plurality of reinforcing ribs 13, the plurality of reinforcing ribs 13 being connected between the peripheral wall 11 and the mounting portion 12 and spaced around the peripheral wall 11.
In another exemplary embodiment of the present invention, as shown in fig. 1-5, a connector is also disclosed. The connector includes: the aforementioned housing assembly and terminals 3. The terminals 3 are disposed in the inner cavity 101 of the housing 1.
It is understood by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle, and that these modifications are intended to fall within the scope of the present invention.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would 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, the scope of which is defined in the 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. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (18)
1. A seal ring, comprising:
an annular body having radially opposite outer and inner peripheral surfaces and axially opposite end surfaces, the end surfaces being sealing surfaces; and
and the bulge is formed on the inner circumferential surface or the outer circumferential surface of the annular body and is used for being in interference fit with the inner side surface of the sealing ring mounting groove on the shell so as to keep the sealing ring on the shell.
2. The seal ring according to claim 1, wherein:
the projection includes:
a plurality of first protrusions formed on an outer circumferential surface of the annular body and distributed at intervals in a circumferential direction of the annular body; and/or
A plurality of second protrusions formed on an inner circumferential surface of the annular body and spaced apart in a circumferential direction of the annular body.
3. The seal ring according to claim 2, wherein:
the first bulges are uniformly distributed at intervals in the circumferential direction of the annular body; or
The plurality of second protrusions are evenly distributed at intervals in the circumferential direction of the annular body.
4. The seal ring according to claim 1, wherein:
the annular body has a plurality of corner portions at which the protrusions are formed.
5. The seal ring according to claim 4, wherein:
the annular body is in a rectangular frame shape and comprises four straight side parts and four corner parts;
at least one first protrusion and at least one second protrusion are formed on each straight side portion of the annular body, and one first protrusion and one second protrusion are formed on each corner portion of the annular body.
6. The seal ring according to claim 1, wherein:
annular sealing ribs are formed on both end faces of the annular body, respectively.
7. The seal ring of claim 6, wherein:
at least three annular sealing ribs are formed on both end faces of the annular body, respectively, the at least three annular sealing ribs being spaced apart from each other in a radial direction.
8. The seal ring according to claim 7, wherein:
an innermost one of the at least three annular sealing ribs extends axially from an inner circumferential surface of the annular body; and/or
An outermost one of the at least three annular sealing ribs extends axially from an outer peripheral surface of the annular body.
9. A seal ring according to claim 2, 3 or 5, wherein:
the first projection and the second projection are identical.
10. The seal ring according to claim 9, wherein:
the first protrusion and the second protrusion are symmetrically formed on an inner circumferential surface and an outer circumferential surface of the annular body.
11. The seal ring according to any one of claims 1 to 8, wherein:
the projection includes two end portions opposite in an axial direction of the annular body and an intermediate recess between the two end portions; and is
The raised medial concavity is recessed inwardly relative to the raised end to allow the end to elastically deform into the medial concavity when compressed.
12. The seal ring according to claim 11, wherein:
the outer surface of the end part of the protrusion is a spherical surface protruding outwards.
13. A housing assembly, comprising:
a housing including a mounting portion adapted to be mounted to a mounting panel, the mounting portion having a packing installation groove formed thereon; and
the packing according to any one of claims 1 to 12, mounted in a packing mounting groove of the mounting portion,
the gasket is adapted to be compressed axially between the housing and the mounting panel to effect a seal therebetween.
14. The housing assembly of claim 13, wherein:
and two inner side surfaces of the sealing ring mounting groove, which are in interference fit with the protrusions on the sealing ring, are smooth surfaces.
15. The housing assembly of claim 13, wherein:
the mounting part includes an inner body surrounded by the packing mounting groove, and a plurality of partial protrusions are formed on a surface of the inner body facing the mounting panel, top surfaces of the partial protrusions being mounting surfaces for abutting on the surface of the mounting panel.
16. The housing assembly of claim 15, wherein:
the mounting portion further comprises an outer wall portion surrounding the sealing ring mounting groove, and the top surface of the outer wall portion is lower than the mounting surfaces of the local protrusions, so that the compression amount of the sealing ring in the axial direction can be adjusted by adjusting the heights of the local protrusions.
17. The housing assembly of claim 15, wherein:
the local protrusions are respectively positioned at corners of the inner body, and connection holes penetrating the mounting part are formed on the local protrusions, so that the housing can be fixed to the mounting panel by a connection member penetrating the connection holes.
18. A connector, comprising:
the housing assembly of any one of claims 13-17; and
a terminal disposed in the interior cavity of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222190157.8U CN218385919U (en) | 2022-08-19 | 2022-08-19 | Sealing ring, shell assembly and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222190157.8U CN218385919U (en) | 2022-08-19 | 2022-08-19 | Sealing ring, shell assembly and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218385919U true CN218385919U (en) | 2023-01-24 |
Family
ID=84966633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222190157.8U Active CN218385919U (en) | 2022-08-19 | 2022-08-19 | Sealing ring, shell assembly and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218385919U (en) |
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2022
- 2022-08-19 CN CN202222190157.8U patent/CN218385919U/en active Active
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