CN218468239U - High-pressure-resistant metal rubber composite sealing ring - Google Patents
High-pressure-resistant metal rubber composite sealing ring Download PDFInfo
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- CN218468239U CN218468239U CN202222290174.9U CN202222290174U CN218468239U CN 218468239 U CN218468239 U CN 218468239U CN 202222290174 U CN202222290174 U CN 202222290174U CN 218468239 U CN218468239 U CN 218468239U
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- seal lip
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Abstract
The utility model discloses a high pressure resistant metal rubber composite seal relates to sealing washer technical field. High pressure resistant metal rubber composite seal circle includes: the sealing structure comprises a metal framework and a sealing body arranged at the inner side of the metal framework; the seal includes integrated into one piece's high pressure resistant seal lip and static seal lip, static seal lip is located between metal framework and the high pressure resistant seal lip, high pressure resistant seal lip longitudinal section shape is the V-arrangement. The utility model discloses, improved conventional rubber seal structure, designed the metal rubber composite seal who high-pressure seal lip, static seal lip alloy metal skeleton triplex are constituteed, solved engine, gearbox high pressure lubrication system's high-pressure seal inefficacy problem.
Description
Technical Field
The utility model relates to a sealing washer technical field, concretely relates to high pressure resistant metal rubber composite seal circle.
Background
At present, high-pressure oil way seals on automobile engines and gearboxes generally adopt rubber static sealing rings, and local instantaneous pressure of high-pressure oil way systems of the engines and the gearboxes can reach more than 2MPa in a high-pressure state.
However, the existing rubber static sealing ring often has a failure phenomenon in a high-pressure oil path due to insufficient high-pressure resistance, so that oil leaks from the high-pressure oil path of an engine and a gearbox, and a serious safety accident can be caused when the oil leaks from the high-pressure oil path.
Therefore, how to solve the problem of sealing failure caused by poor pressure resistance of the sealing ring of the engine and the gearbox in a high-pressure state is a technical problem to be solved in the technical field of the sealing ring at present.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a high pressure resistant metal rubber composite seal circle to solve the problem that proposes in the above-mentioned background art.
The utility model provides a following technical scheme:
a high pressure resistant metal rubber composite seal ring, comprising: the sealing structure comprises a metal framework and a sealing body arranged on the inner side of the metal framework; the seal includes integrated into one piece's high pressure resistant seal lip and static seal lip, static seal lip is located between metal framework and the high pressure resistant seal lip, high pressure resistant seal lip longitudinal section shape is the V-arrangement.
Preferably, the upper side and the lower side of the longitudinal section of the static sealing lip are respectively arc surfaces.
Preferably, the metal framework is a sheet-shaped closed framework.
Preferably, a plurality of transverse bulges are arranged on the sealing body at intervals along the circumferential direction of the sealing body, and the transverse bulges are connected with the high-pressure-resistant sealing lip and the static sealing lip.
Preferably, a plurality of bolt holes and positioning holes are formed in the metal framework at intervals.
Preferably, the sealing body is made of rubber, and the metal framework is made of an aluminum plate or a cold-rolled steel plate.
The embodiment of the utility model provides a pair of high pressure resistant metal rubber composite seal circle has following beneficial effect:
1. the utility model improves the conventional rubber sealing ring structure, designs the metal rubber composite sealing ring consisting of a high-pressure sealing ring lip and a static sealing lip metal framework, and solves the problem of high-pressure sealing failure of the high-pressure lubricating system of the engine and the gearbox;
2. the utility model discloses contact interface to the fitting piece requires simply, general machining or casting plane can, need not design slot or other structures that hold the sealing washer, the very big design processing degree of difficulty that reduces the fitting piece.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of another embodiment of the present invention;
FIG. 3 is a schematic view of the working state of the present invention;
FIG. 4 is a schematic view of the overall structure of the present invention;
FIG. 5 is an enlarged view of a portion of A of FIG. 4 according to the present invention;
in the figure, 1, a high pressure resistant seal lip; 2. a static seal lip; 3. a metal skeleton 3;4. a first fitting part; 5. a fitting part II; 6. a high pressure resistant seal area; 7. a static seal area; 8. internal medium hydraulic pressure; 9. a transverse bulge; 10. bolt holes; 11. positioning holes; B. a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment in the utility model, under the creative work prerequisite, all other embodiments that the skilled person obtained do not make, all belong to the scope of the utility model protection.
See fig. 1-5.
Problem to above-mentioned background art mention, the embodiment of the utility model provides a high pressure resistant metal rubber composite seal circle to solve above-mentioned technical problem, its technical scheme as follows:
a high pressure resistant metal rubber composite seal ring, comprising: a metal framework 3 and a sealing body arranged at the inner side of the metal framework 3; in this embodiment, the sealing body is generally fixed on the metal framework 3 by vulcanization adhesion or assembly cold adhesion.
The metal framework 3 is a sheet-shaped closed framework, the shape of which can be specifically set according to specific conditions, and in the embodiment, the metal framework 3 is a rectangular framework structure.
The seal includes integrated into one piece's high pressure resistant seal lip 1 and static seal lip 2, static seal lip 2 is located between metal framework 3 and the high pressure resistant seal lip 1, 1 longitudinal section shape of high pressure resistant seal lip is the V-arrangement.
It should be noted that the number of the static seal lips 2 may be 1 or more, as shown in fig. 1, the number of the static seal lips 2 is 1, and as shown in fig. 2, the number of the static seal lips 2 is 2.
In this embodiment, the upper and lower sides of the longitudinal section of the static seal lip 2 are arc surfaces, which may be convex structures of other shapes, as long as the medium liquid in the oil path of the engine and the transmission under normal pressure cannot overflow from the oil path.
In this embodiment, the metal framework 3 is a sheet-shaped closed framework, and the sheet-shaped closed framework plays a supporting role on the whole structure.
In this embodiment, be equipped with a plurality of horizontal archs 9 along its circumference interval on the seal, horizontal arch 9 is connected high pressure resistant seal lip 1 and static seal lip 2, and it divide into a plurality of little spaces with groove B between high pressure resistant seal lip 1 and the static seal lip 2, and when liquid medium got into certain little space, can prevent liquid entering adjacent space, the sealed effect of reinforcing high pressure resistant metal rubber composite seal circle.
In this embodiment, a plurality of bolt holes 10 and positioning holes 11 are formed in the metal framework 3 at intervals; a bolt hole 10 is arranged for fixing a fitting piece and a high-pressure-resistant metal rubber sealing ring; and a positioning hole 11 is arranged for matching and positioning the matching piece and the high-pressure-resistant metal rubber sealing ring.
In this embodiment, the sealing body is made of rubber, and the metal framework 3 is made of an aluminum plate or a cold-rolled steel plate.
The utility model discloses well high pressure resistant metal rubber composite seal design principle is as follows (refer to fig. 3):
1. assembling the high-pressure-resistant metal rubber composite sealing ring with the first matching piece 4 and the second matching piece 5, and enabling the upper side and the lower side of the high-pressure-resistant sealing lip 1 and the static sealing lip 2 to be in interference fit with the first matching piece 4 and the second matching piece 5;
at the moment, a high-pressure-resistant sealing area 6 is formed at the contact interface of the high-pressure-resistant sealing lip 1 and the first matching piece 4 and the second matching piece 5, and a static sealing area 7 is formed at the contact interface of the static sealing lip 2 and the first matching piece 4 and the second matching piece 5;
2. when the high-pressure metal rubber composite sealing ring is not subjected to the internal medium hydraulic pressure 8, the static sealing area 7 is a main sealing area;
3. when the high-pressure-resistant metal rubber composite sealing ring is under the action of the internal medium hydraulic pressure 8, the internal medium hydraulic pressure 8 compresses two lip edges of the V-shaped high-pressure-resistant sealing lip 1 to the first matching piece 4 and the interface of the second matching piece 5, the larger the internal medium pressure is, the larger the pressure of the high-pressure-resistant sealing area 6 is, the two lip edges of the high-pressure-resistant sealing lip 1 and the first matching piece 4 and the contact pressure between the interfaces of the second matching piece 5 are increased, namely, the high-pressure-resistant sealing lip 1 can generate the effect similar to the self-locking effect under the action of the pressure, the high-pressure-resistant sealing area 6 is a main sealing area at the moment, and the high-pressure-resistant metal rubber composite sealing ring has effectively improved high-pressure resistance.
The embodiment of the utility model provides a pair of high pressure resistant metal rubber composite seal circle has following beneficial effect:
1. the utility model improves the conventional rubber sealing ring structure, designs the metal rubber composite sealing ring composed of a high-pressure sealing ring lip and a static sealing lip metal framework, and solves the problem of high-pressure sealing failure of the high-pressure lubricating system of the engine and the gearbox;
2. the utility model discloses require simply to the contact interface of fitting piece, general machining or casting plane can, need not design slot or other structures that hold the sealing washer, the very big design processing degree of difficulty that reduces the fitting piece.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts shown as units may or may not be physical units, and may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept, and all such alterations and modifications shall fall within the scope of the appended claims.
Claims (6)
1. The utility model provides a high pressure resistant metal rubber composite seal circle which characterized in that includes: the sealing structure comprises a metal framework and a sealing body arranged on the inner side of the metal framework; the seal includes integrated into one piece's high pressure resistant seal lip and static seal lip, static seal lip is located between metal framework and the high pressure resistant seal lip, high pressure resistant seal lip longitudinal section shape is the V-arrangement.
2. The high pressure resistant metal rubber composite seal ring according to claim 1, wherein the upper and lower sides of the longitudinal section of the static seal lip are respectively arc surfaces.
3. The high pressure resistant metal-rubber composite seal ring of claim 1, wherein the metal framework is a sheet-shaped closed framework.
4. The high pressure resistant metal rubber composite seal ring according to claim 1, wherein the seal body is provided with a plurality of transverse protrusions at intervals along the circumferential direction thereof, and the transverse protrusions connect the high pressure resistant seal lip and the static seal lip.
5. The high pressure resistant metal rubber composite seal ring according to claim 1, wherein a plurality of bolt holes and positioning holes are arranged on the metal framework at intervals.
6. The high pressure resistant metal rubber composite seal ring according to claim 1, wherein the sealing body is made of rubber, and the metal framework is made of aluminum plates or cold-rolled steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290174.9U CN218468239U (en) | 2022-08-30 | 2022-08-30 | High-pressure-resistant metal rubber composite sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222290174.9U CN218468239U (en) | 2022-08-30 | 2022-08-30 | High-pressure-resistant metal rubber composite sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468239U true CN218468239U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222290174.9U Active CN218468239U (en) | 2022-08-30 | 2022-08-30 | High-pressure-resistant metal rubber composite sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468239U (en) |
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2022
- 2022-08-30 CN CN202222290174.9U patent/CN218468239U/en active Active
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