CN221683589U - Self-tightening sealing gasket - Google Patents
Self-tightening sealing gasket Download PDFInfo
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- CN221683589U CN221683589U CN202420499336.6U CN202420499336U CN221683589U CN 221683589 U CN221683589 U CN 221683589U CN 202420499336 U CN202420499336 U CN 202420499336U CN 221683589 U CN221683589 U CN 221683589U
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- annular body
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- gasket
- self
- ring body
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- 238000007789 sealing Methods 0.000 title abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims 2
- 230000000694 effects Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model provides a self-tightening sealing gasket, which comprises a gasket body, wherein the gasket body is in a circular ring shape, the gasket body comprises a first annular body, a second annular body, a third annular body and a fourth annular body, the first annular body and the fourth annular body are positioned on the upper side and the lower side of the gasket body, the second annular body is arranged between the first annular body and the fourth annular body, the third annular body is positioned on the outer wall of the second annular body, the second annular body and the third annular body are both in a cylindrical shape, the outer diameters of the first annular body, the third annular body and the fourth annular body are the same, one sides of the first annular body and one side of the fourth annular body are both provided with inclined surfaces, and the axial heights of the first annular body and the fourth annular body are the same.
Description
Technical Field
The utility model relates to a gasket, in particular to a self-tightening sealing gasket.
Background
The existing sealing gaskets are mostly made of non-metal materials such as asbestos and rubber, or are made of metal and metal materials, and due to poor stress bearing capability of the materials or the sealing structures, the sealing gaskets age and fatigue relax under the combined action of medium temperature and pressure in a period of use, if fastening is not added in the high-temperature heating process, the frequency of leakage is increased, the thickness of the sealing gaskets becomes thin due to compression of the sealing gaskets or aging and volatilization of components of the sealing gaskets in the heating process, the phenomenon that the surface pressure of the flange deformation sealing gaskets is uneven due to thermal expansion caused by temperature rise is caused, the piping contracts in the cooling process, the flange surfaces are stretched and expanded, the sealing gaskets recover to fill gaps among the flange surfaces, and the thickness of the sealing gaskets compressed before the sealing gaskets cannot recover in the high-temperature state is improved.
The existing self-tightening sealing gasket can be aged after being used for a long time, so that the sealing property of the sealing gasket during the whole use can be influenced, deformation can occur under the high-temperature or low-temperature environment, the sealing property of the sealing gasket can be influenced, and the sealing gasket is easy to damage.
Disclosure of utility model
【1】 Technical problem to be solved
The utility model aims to solve the technical problem of providing the self-tightening sealing gasket which has good self-tightening effect, good sealing performance and good use effect.
【2】 Technical proposal for solving the problems
The utility model provides a self-tightening sealing gasket, which comprises:
The gasket body 1, gasket body 1 sets up to the ring shape, gasket body 1 is including first annular body 2, second annular body 4, third annular body 5 and fourth annular body 6, first annular body 2 is located the upper and lower both sides of gasket body 1 with fourth annular body 6, be equipped with second annular body 4 between first annular body 2 and the fourth annular body 6, third annular body 5 is located the outer wall of second annular body 4, second annular body 4 all sets up to cylindrically with third annular body 5, the external diameter of first annular body 2, third annular body 5 and fourth annular body 6 is the same, one side of first annular body 2 and fourth annular body 6 all sets up to the inclined plane, first annular body 2 is the same with the axial height of fourth annular body 6, first annular body 2 is the same with the lateral wall inclination of fourth annular body 6, it has the centre bore to run through between the both ends face of gasket body 1, the inner wall both ends of gasket body 1 all are equipped with adaptation face 3.
Further, the angle β between the inclined surfaces of the first annular body 2 and the fourth annular body 6 and the axis of the gasket body 1 is 22 ° 45'.
Further, the axial height of the first annular body 2 and the fourth annular body 6 is greater than the axial height of the second annular body 4.
Further, the second annular body 4 and the third annular body 5 are coaxially arranged, and the third annular body 5 is arranged at the center of the second annular body 4.
Further, the side wall of the adapting surface 3 is inclined, and an included angle alpha between the inclined surface of the adapting surface 3 and the axis of the gasket body 1 is 15 degrees.
Further, the ratio of the axial height H4 of the first annular body 2 to the axial height H2 of the second annular body 4 is greater than 1 and less than 2.
Further, the ends of the first annular body 2, the second annular body 4, the third annular body 5 and the fourth annular body 6 are provided with rounded corners.
Further, the outer diameter of the first annular body 2, the third annular body 5 and the fourth annular body 6 is larger than the outer diameter of the second annular body 4.
Further, the ratio of the axial height H2 of the second annular body 4 to the axial height H1 of the third annular body 5 is greater than 2 and less than 3.
【3】 Advantageous effects
According to the self-tightening sealing gasket, the structure is optimized, the sealing performance can be still ensured under the influence of extreme weather through the grooves formed among the first annular body, the second annular body, the third annular body and the third annular body, the influence on the sealing gasket is reduced as much as possible, the structural strength is increased, the sealing performance is improved, the sealing effect is good, the structure is compact, and the service life is long.
Drawings
FIG. 1 is a schematic view of the overall structure of a self-tightening gasket seal of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of a self-tightening gasket seal of the present utility model;
FIG. 3 is a schematic cross-sectional view of a self-tightening gasket seal of the present utility model;
fig. 4 is a dimensional view of a self-tightening gasket seal of the present utility model.
Reference numerals: 1. a gasket body; 2. a first annular body; 3. an adaptation surface; 4. a second annular body; 5. a third annular body; 6. and a fourth annular body.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-4, the present utility model provides a self-tightening sealing gasket, which comprises a gasket body 1, wherein the gasket body 1 is configured as a ring, the gasket body 1 comprises a first annular body 2, a second annular body 4, a third annular body 5 and a fourth annular body 6, the first annular body 2 and the fourth annular body 6 are located at the upper side and the lower side of the gasket body 1, the second annular body 4 is disposed between the first annular body 2 and the fourth annular body 6, the third annular body 5 is located at the outer wall of the second annular body 4, the second annular body 4 and the third annular body 5 are both cylindrical, the outer diameters of the first annular body 2, the third annular body 5 and the fourth annular body 6 are the same, one sides of the first annular body 2 and the fourth annular body 6 are both inclined surfaces, the axial heights of the first annular body 2 and the fourth annular body 6 are the same, the side wall inclination angles of the first annular body 2 and the fourth annular body 6 are the same, the inner wall 3 penetrating through the two end surfaces of the gasket body 1 are both end surfaces of the gasket body 1.
In the application, an included angle beta between the inclined plane of the first annular body 2 and the fourth annular body 6 and the axis of the gasket body 1 is 22 degrees 45 '+/-15', the axial heights of the first annular body 2 and the fourth annular body 6 are larger than the axial height of the second annular body 4, the second annular body 4 and the third annular body 5 are coaxially arranged, the third annular body 5 is arranged at the center of the second annular body 4, the side wall of the adapting surface 3 is obliquely arranged, an included angle alpha between the inclined plane of the adapting surface 3 and the axis of the gasket body 1 is 15 degrees, the ratio of the axial height H4 of the first annular body 2 to the axial height H2 of the second annular body 4 is larger than 1 and smaller than 2, and the end parts of the first annular body 2, the second annular body 4, the third annular body 5 and the fourth annular body 6 are respectively provided with round corners, the outer diameter sizes of the first annular body 2, the third annular body 5 and the fourth annular body 6 are larger than the outer diameter size of the second annular body 4, and the ratio of the axial height H2 of the second annular body 4 to the axial height H2 of the third annular body 5 to the axial height H2 of the fourth annular body 5 is larger than 3.
The AX-2 type self-tightening sealing gasket is optimized in structure, and the sealing performance can be ensured under the influence of extreme weather through the grooves formed among the first annular body 2, the second annular body 4, the third annular body 5 and the third annular body 6, so that the influence on the sealing gasket is reduced as much as possible, the structural strength is increased, the sealing performance is improved, the sealing effect is good, the structure is compact, and the service life is long.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (9)
1. A self-tightening gasket seal comprising:
Gasket body (1), gasket body (1) set up to the ring, gasket body (1) is including first ring body (2), second ring body (4), third ring body (5) and fourth ring body (6), first ring body (2) are located gasket body (1) upper and lower both sides with fourth ring body (6), be equipped with second ring body (4) between first ring body (2) and fourth ring body (6), third ring body (5) are located the outer wall of second ring body (4), second ring body (4) all set up to cylindrically with third ring body (5), the external diameter of first ring body (2), third ring body (5) and fourth ring body (6) is the same, one side of first ring body (2) and fourth ring body (6) all sets up to the inclined plane, first ring body (2) all sets up to sealed face with fourth ring body (6), first ring body (2) and fourth ring body (6) are the same with the axial direction of fourth ring body (6) is the same, the spacer body (1) is highly equipped with the both ends of slope (1) have, the spacer body (1) is the same with the both ends of slope.
2. A self-tightening gasket seal as set forth in claim 1 wherein: the included angle beta between the inclined planes of the first annular body (2) and the fourth annular body (6) and the axis of the gasket body (1) is 22 degrees 45'.
3. A self-tightening gasket seal as set forth in claim 1 wherein: the axial height of the first annular body (2) and the fourth annular body (6) is larger than that of the second annular body (4).
4. A self-tightening gasket seal as set forth in claim 1 wherein: the second annular body (4) and the third annular body (5) are coaxially arranged, and the third annular body (5) is arranged at the center of the second annular body (4).
5. A self-tightening gasket seal as set forth in claim 1 wherein: the side wall of the adapting surface (3) is obliquely arranged, and an included angle alpha between the inclined surface of the adapting surface (3) and the axis of the gasket body (1) is 15 degrees.
6. A self-tightening gasket seal as set forth in claim 1 wherein: the ratio of the axial height H4 of the first annular body (2) to the axial height H2 of the second annular body (4) is greater than 1 and less than 2.
7. A self-tightening gasket seal as set forth in claim 5 wherein: the ends of the first annular body (2), the second annular body (4), the third annular body (5) and the fourth annular body (6) are respectively provided with a round angle.
8. A self-tightening gasket seal as set forth in claim 1 wherein: the outer diameter sizes of the first annular body (2), the third annular body (5) and the fourth annular body (6) are all larger than the outer diameter size of the second annular body (4).
9. A self-tightening gasket seal as set forth in claim 1 wherein: the ratio of the axial height H2 of the second annular body (4) to the axial height H1 of the third annular body (5) is greater than 2 and less than 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420499336.6U CN221683589U (en) | 2024-03-15 | 2024-03-15 | Self-tightening sealing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420499336.6U CN221683589U (en) | 2024-03-15 | 2024-03-15 | Self-tightening sealing gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221683589U true CN221683589U (en) | 2024-09-10 |
Family
ID=92625593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420499336.6U Active CN221683589U (en) | 2024-03-15 | 2024-03-15 | Self-tightening sealing gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221683589U (en) |
-
2024
- 2024-03-15 CN CN202420499336.6U patent/CN221683589U/en active Active
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