CN210531603U - Case end face sealing structure - Google Patents
Case end face sealing structure Download PDFInfo
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- CN210531603U CN210531603U CN201921071347.XU CN201921071347U CN210531603U CN 210531603 U CN210531603 U CN 210531603U CN 201921071347 U CN201921071347 U CN 201921071347U CN 210531603 U CN210531603 U CN 210531603U
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- sealing gasket
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- metal sealing
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Abstract
The technical scheme relates to a casing end face sealing structure, in particular to an end face sealing structure comprising a metal sealing gasket. The structure comprises a front shell (1), a rear shell (2) and a metal sealing gasket (3), wherein the metal sealing gasket (3) is pressed on the butt joint end face of the front shell (1) and the rear shell (2); grooves are formed in the end faces of the two sides of the metal sealing gasket (3); a through hole (32) penetrating through the grooves on the two sides is formed in each groove; rubber is vulcanized in the grooves and the through holes (32). The design improves the sealing life and the assembly efficiency by adding the metal sealing gasket. Meanwhile, the optimized sealing gasket structure is simple in structural form and high in sealing reliability.
Description
Technical Field
The technical scheme relates to the sealing of the end face of a casing, in particular to an end face sealing structure comprising a metal sealing gasket.
Background
In a traditional accessory transmission system structure, the end face sealing of a casing is a common sealing structure, and the end face sealing performance of the casing is very important. The end face seal of the casing is generally a mode that an oil-resistant asbestos rubber pad is coated with a 'le tai 587' sealant and then is assembled on a joint face of the casing, the oil-resistant asbestos rubber pad has poor elasticity and uneven pressing force, and the problem that the accessory casing deflects to cause gear deflection and the like can be caused, and the asbestos gasket is frequently replaced and has high rejection rate. Therefore, the sealing reliability is slightly poor and the use cost is high.
Disclosure of Invention
The technical problems solved by the invention are as follows: the casing end face sealing structure has high sealing reliability and long service life.
The technical scheme of the invention is as follows: a machine case end face sealing structure comprises a front shell, a rear shell and a metal sealing gasket, wherein the metal sealing gasket is tightly pressed on butt joint end faces of the front shell and the rear shell; grooves are formed in the end faces of the two sides of the metal sealing gasket; a through hole penetrating through the grooves on the two sides is formed in each groove; rubber is vulcanized in the grooves and the through holes. The design improves the sealing life and the assembly efficiency by adding the metal sealing gasket. Meanwhile, the optimized sealing gasket structure is simple in structural form and high in sealing reliability.
Preferably, all the joint surfaces of the metal sealing gasket are provided with grooves. The design ensures that all end face contact parts can realize sealing.
Preferably, the metal sealing gasket is made of an aluminum alloy material, the design is convenient to process, and the material cost is low.
Preferably, the thickness of the metal sealing gasket is 2-4 mm. The design fully considers the reliability of sealing on one hand, and reduces the quality of the structure to the maximum extent on the other hand.
Preferably, the rubber material is fluororubber, and the design has good sealing effect and low material cost.
Drawings
FIG. 1 is a schematic view of an end-face mounting structure of a casing;
fig. 2 is a schematic view of the framework structure of the metal gasket.
Detailed Description
As shown in fig. 1, the structure includes a front case 1, a rear case 2, and a metal gasket 3, and the metal gasket 3 is pressed against abutting end surfaces of the front case 1 and the rear case 2. As shown in fig. 2, the metal gasket 3 is composed of a metal frame 33 and rubber, and the structure utilizes a design method of vulcanizing rubber into a rubber groove 31 of the metal frame 33. The metal framework 33 is made of aluminum alloy 2A12 which is light in weight and easy to process, the thickness of the framework is 3mm, the tolerance is +/-0.03, and the front surface and the back surface of the framework are respectively provided with rubber ring grooves with the depth of 1 mm. Meanwhile, 59 phi 1.8 through holes 32 are distributed on the rubber ring groove 31 of the metal framework 33, vulcanized rubber passes through the holes, and vulcanized rubber rings on the front side and the back side are fixed on the metal framework. The rubber material is fluororubber FX-4. The parts matched with the metal sealing gasket are a front shell and a rear shell, the shell is made of cast magnesium (ZM6), and the surface roughness of the end surfaces of the front shell and the rear shell, which are contacted with the metal sealing gasket, is 1.6 um. The working sealing medium of the metal sealing gasket is lubricating oil 4106; the working temperature range is-55 ℃ to +120 ℃; the working pressure is 50kPa, and the sealing inspection pressure is 0.1-0.15 MPa. The structure does not need to process a rubber ring groove on the casing body of the casing, and the processing manufacturability of the casing is improved.
Claims (6)
1. A cartridge end face seal structure characterized in that: the structure comprises a front shell (1), a rear shell (2) and a metal sealing gasket (3), wherein the metal sealing gasket (3) is pressed on the butt joint end face of the front shell (1) and the rear shell (2);
grooves are formed in the end faces of the two sides of the metal sealing gasket (3);
a through hole (32) penetrating through the grooves on the two sides is formed in each groove;
rubber is vulcanized in the grooves and the through holes (32).
2. A casing end face sealing structure according to claim 1, wherein: the joint surface of the metal sealing gasket is provided with grooves.
3. A casing end face sealing structure according to claim 1, wherein: the metal sealing gasket is made of aluminum alloy material.
4. A cartridge end face seal structure according to claim 3, wherein: the aluminum alloy model is 2A12, and the skeleton thickness is 3 mm.
5. A casing end face sealing structure according to claim 1, wherein: the thickness of the metal sealing gasket is 2-4 mm.
6. A casing end face sealing structure according to claim 1, wherein: the rubber material is fluororubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071347.XU CN210531603U (en) | 2019-07-09 | 2019-07-09 | Case end face sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921071347.XU CN210531603U (en) | 2019-07-09 | 2019-07-09 | Case end face sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531603U true CN210531603U (en) | 2020-05-15 |
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ID=70597247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921071347.XU Active CN210531603U (en) | 2019-07-09 | 2019-07-09 | Case end face sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375073A (en) * | 2019-07-11 | 2019-10-25 | 中国航发哈尔滨东安发动机有限公司 | A kind of casing end face seal structure |
-
2019
- 2019-07-09 CN CN201921071347.XU patent/CN210531603U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375073A (en) * | 2019-07-11 | 2019-10-25 | 中国航发哈尔滨东安发动机有限公司 | A kind of casing end face seal structure |
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