CN215334414U - Gasket for preventing overflow valve from leaking oil - Google Patents
Gasket for preventing overflow valve from leaking oil Download PDFInfo
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- CN215334414U CN215334414U CN202121145677.6U CN202121145677U CN215334414U CN 215334414 U CN215334414 U CN 215334414U CN 202121145677 U CN202121145677 U CN 202121145677U CN 215334414 U CN215334414 U CN 215334414U
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- ring
- gasket
- sealing ring
- annular
- overflow valve
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Abstract
The utility model discloses a gasket for preventing an overflow valve from leaking oil, which comprises a gasket body and a sealing ring arranged in the gasket body, wherein the inner wall of the sealing ring extends inwards from the inner wall of the gasket body along the radial direction of the gasket body, the gasket body comprises a first snap ring and a second snap ring which are mutually buckled, annular assembly half grooves are respectively formed at the ends, close to each other, of the first snap ring and the second snap ring, and when the first snap ring and the second snap ring are mutually buckled, the two annular assembly half grooves are mutually spliced to form a complete annular assembly groove. When bearing the larger extrusion force of the plug, the utility model realizes the function of supporting the sealing ring and avoids the deformation of the sealing ring. The utility model is suitable for the technical field that the overflow valve utilizes the plug to plug the corresponding pore passage.
Description
Technical Field
The utility model belongs to the technical field of overflow valves for plugging corresponding pore passages by using plugs, and particularly relates to a gasket for preventing oil leakage of an overflow valve.
Background
Before the overflow valve is used, a corresponding hole channel needs to be plugged through a plug, under a general condition, in order to ensure the sealing property, a rubber pad or a rubber ring needs to be arranged between the end parts of the hole channel of the overflow valve and the plug, in the process of screwing the plug, the plug extrudes the rubber pad or the rubber ring, so that the rubber pad or the rubber ring is continuously extruded and exceeds a preset value to cause deformation, and further, the phenomenon of oil leakage caused by deformation of the rubber pad or the rubber ring is caused, and the normal work of the overflow valve cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gasket for preventing an overflow valve from leaking oil, which is used for supporting a sealing element when bearing a larger extrusion force of a plug, so as to avoid the deformation of the sealing element.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a packing ring for preventing overflow valve oil leak, places the sealing washer in the packing ring body including the packing ring body, the inner wall of sealing washer is located to stretch out inwards along the radial of packing ring body by the inner wall of packing ring body, the packing ring body includes first buckle and the second buckle of mutual lock, in the one end that first buckle and second buckle are close to each other is constructed annular assembly half groove respectively, and when first buckle and second buckle when each other buckle, two annular assembly half grooves splice each other and constitute complete annular assembly groove.
Further, when the axial cross section of the annular assembling groove is arc-shaped, the axial cross section of the sealing ring is circular, and the arc length of the arc shape is larger than the length of the semicircle.
Further, when the axial section of the annular assembling groove is rectangular, the axial section of the sealing ring is also rectangular, a flange extending outwards along the radial direction of the sealing ring is formed in the middle of the outer peripheral wall of the sealing ring, and the flange is located between the end faces, close to each other, of the first retaining ring and the second retaining ring.
Furthermore, an annular bulge is formed on at least one of two opposite inner walls of the annular assembling groove, an annular clamping groove is formed on the end wall of the sealing ring corresponding to the annular bulge, and the annular bulge is clamped in the annular clamping groove.
Furthermore, a plurality of inserting columns are constructed on the end face, close to the second snap ring, of the first snap ring, the inserting columns are evenly arranged along the circumferential direction of the first buckle, a plurality of inserting holes are constructed on the end face, close to the first snap ring, of the second snap ring, and parts or the whole of the inserting columns are inserted into the corresponding inserting holes.
Furthermore, the gasket body with the built-in sealing washer includes a plurality of to splice together and the axis coincidence in proper order.
Furthermore, a plurality of connecting holes are formed in the end face, close to the adjacent gasket body, of the first retaining ring, and the connecting holes are uniformly arranged along the circumferential direction of the first retaining ring; and a plurality of connecting columns are formed on the end surface of the second retaining ring close to the adjacent gasket body, and each connecting column is completely inserted into the corresponding connecting hole.
Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: the sealing ring is arranged in the first retaining ring and the second retaining ring, and the first retaining ring and the second retaining ring are spliced together, wherein the first retaining ring and the second retaining ring play a role of a gasket, the sealing ring arranged between the first retaining ring and the second retaining ring plays a role of sealing and elastic support, the sealing effect is obvious, the repeated description is omitted, and the elastic support effect is as follows: the sealing ring is arranged between the first retaining ring and the second retaining ring, so that the first retaining ring and the second retaining ring are supported by the sealing ring, a certain distance is reserved between the first retaining ring and the second retaining ring, the distance between the first retaining ring and the second retaining ring is gradually shortened in the process that the plug is screwed into the pore channel, the sealing ring is gradually extruded, the inner part of the sealing ring is inwards deformed and cannot be separated from the annular assembling groove, and the sealing performance between the sealing ring and the plug is greatly improved due to the deformation of the sealing ring; in conclusion, the sealing ring supporting device disclosed by the utility model realizes the function of supporting the sealing ring when bearing larger extrusion force of the plug, and avoids the situation that the sealing ring is deformed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a cross-sectional view of an axial structure of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an axial structure of another embodiment of the present invention;
FIG. 3 is a cross-sectional view of an axial structure of another embodiment of the present invention;
FIG. 4 is a schematic view of a plurality of gasket body connections according to an embodiment of the present invention;
FIG. 5 is a schematic view of the gasket body and seal ring of FIG. 4;
fig. 6 is an exploded view of the structure of fig. 5.
Labeling components: 1-a first retaining ring, 2-a second retaining ring, 3-a sealing ring, 4-a flange, 5-a plug column, 6-a plug hole, 7-an annular assembly half groove, 8-a connecting hole and 9-a connecting column.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The utility model discloses a gasket for preventing an overflow valve from leaking oil, which comprises a gasket body and a sealing ring 3, wherein the sealing ring 3 is arranged in the gasket body, and the inner wall of the sealing ring 3 extends inwards from the inner wall of the gasket body along the radial direction of the gasket body. The gasket body comprises a first snap ring 1 and a second snap ring 2 which are mutually buckled, and annular assembling half grooves 7 are respectively formed at the mutually close ends of the first snap ring 1 and the second snap ring 2; moreover, when the first retaining ring 1 and the second retaining ring 2 are mutually buckled, the two annular assembling half grooves 7 are mutually spliced to form a complete annular assembling groove. The working principle and the advantages of the utility model are as follows: the utility model adopts the technical scheme that the sealing ring 3 is arranged in the first snap ring 1 and the second snap ring 2, and the first snap ring 1 and the second snap ring 2 are mutually spliced together, wherein the first snap ring 1 and the second snap ring 2 play a role of a gasket, the sealing ring 3 arranged between the first snap ring 1 and the second snap ring 2 plays a role of sealing and elastic support, the sealing function is obvious, the repeated description is omitted, and the elastic support function is as follows: the sealing ring 3 is arranged between the first retaining ring 1 and the second retaining ring 2, so that the sealing ring 3 supports the first retaining ring 1 and the second retaining ring 2, and a certain distance is reserved between the first retaining ring 1 and the second retaining ring 2, in the process that the plug is screwed into the pore channel, the distance between the first retaining ring 1 and the second retaining ring 2 is gradually shortened, the sealing ring 3 is gradually extruded, the inner part of the sealing ring 3 is inwards deformed and cannot be separated from the annular assembling groove, and the sealing property between the sealing ring 3 and the plug is greatly improved due to the deformation of the sealing ring 3; in conclusion, the sealing ring 3 is supported when the sealing ring bears the larger extrusion force of the plug, and the deformation of the sealing ring 3 is avoided.
As a preferred embodiment of the present invention, as shown in fig. 1, when the axial cross section of the annular fitting groove is circular, the axial cross section of the seal ring 3 is circular, and the arc length of the circular arc is greater than the length of the semicircle thereof, thereby preventing the seal ring 3 from being separated from the annular fitting groove during the process of being pressed. Alternatively, as shown in fig. 2, when the axial cross section of the annular assembling groove is rectangular, the axial cross section of the sealing ring 3 is also rectangular, a flange 4 extending outward along the radial direction is formed at the middle position of the outer peripheral wall of the sealing ring 3, the flange 4 is located between the end surfaces of the first retaining ring 1 and the second retaining ring 2 which are close to each other, the outer edge of the flange 4 is extruded outward during the process that the flange 4 is pressed by the first retaining ring 1 and the second retaining ring 2, and the flange 4 plays a role of elastic buffer together with the sealing ring 3; in order to improve the adaptability of the sealing ring 3 and the annular assembling groove and prevent the phenomenon of sealing inclined extrusion, as shown in fig. 3, an annular protrusion is configured on at least one of two opposite inner walls of the annular assembling groove, an annular clamping groove is configured on the end wall of the sealing ring 3 corresponding to the annular protrusion, and the annular protrusion is clamped in the annular clamping groove.
As a preferred embodiment of the present invention, in order to avoid the problem that the first buckle ring 1 and the second buckle ring 2 are deflected in the process of being squeezed, as shown in fig. 1 and fig. 6, a plurality of insertion posts 5 are configured on the end surface of the first buckle ring 1 close to the second buckle ring 2, the insertion posts 5 are uniformly arranged along the circumferential direction of the first buckle, a plurality of insertion holes 6 are configured on the end surface of the second buckle ring 2 close to the first buckle ring 1, a part or the whole of each insertion post 5 is inserted into a corresponding insertion hole 6, and the insertion posts 5 gradually extend into the insertion holes 6 along with the screwing of the plug.
As a preferred embodiment of the present invention, a plurality of seal rings 3 are required to perform the sealing function under different conditions, and specifically, as shown in fig. 4 to 5, the number of the gasket bodies having the seal rings 3 built therein is plural, the gasket bodies are sequentially spliced together, and the axes of the gasket bodies are overlapped. As shown in fig. 6, a plurality of connecting holes 8 are formed on the end surface of the first snap ring 1 close to the adjacent gasket body, and the connecting holes 8 are uniformly arranged along the circumferential direction of the first snap ring 1; a plurality of connecting columns 9 are formed on the end surface of the second retaining ring 2 close to the adjacent gasket body, and each connecting column 9 is completely inserted into the corresponding connecting hole 8.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a packing ring for preventing overflow valve oil leak which characterized in that: the sealing ring comprises a gasket body and a sealing ring arranged in the gasket body, wherein the inner wall of the sealing ring extends inwards from the inner wall of the gasket body along the radial direction of the gasket body, the gasket body comprises a first snap ring and a second snap ring which are mutually buckled, annular assembly half grooves are respectively formed in the ends, close to each other, of the first snap ring and the second snap ring, and when the first snap ring and the second snap ring are mutually buckled, the two annular assembly half grooves are mutually spliced to form a complete annular assembly groove.
2. The gasket for preventing oil leakage of an overflow valve according to claim 1, wherein: when the axial section of the annular assembling groove is arc-shaped, the axial section of the sealing ring is circular, and the arc length of the arc is larger than the length of the semicircle of the arc.
3. The gasket for preventing oil leakage of an overflow valve according to claim 1, wherein: when the axial section of the annular assembling groove is rectangular, the axial section of the sealing ring is also rectangular, a flange extending outwards along the radial direction of the sealing ring is formed in the middle of the outer peripheral wall of the sealing ring, and the flange is located between the end faces, close to each other, of the first retaining ring and the second retaining ring.
4. The gasket for preventing oil leakage of an overflow valve according to claim 3, wherein: at least one of two opposite inner walls of the annular assembling groove is provided with an annular bulge, an end wall of the sealing ring corresponding to the annular bulge is provided with an annular clamping groove, and the annular bulge is clamped in the annular clamping groove.
5. The gasket for preventing oil leakage of an overflow valve according to claim 1, wherein: the end face of the first retaining ring close to the second retaining ring is provided with a plurality of inserting columns which are uniformly arranged along the circumferential direction of the first buckle, the end face of the second retaining ring close to the first retaining ring is provided with a plurality of inserting holes, and part or the whole of each inserting column is inserted into the corresponding inserting hole.
6. The gasket for preventing oil leakage of an overflow valve according to claim 1, wherein: the gasket body with the built-in sealing washer includes a plurality ofly to splice in proper order together and the axis coincidence.
7. The gasket for preventing oil leakage of an overflow valve according to claim 6, wherein: a plurality of connecting holes are formed in the end face, close to the adjacent gasket body, of the first retaining ring, and the connecting holes are uniformly arranged along the circumferential direction of the first retaining ring; and a plurality of connecting columns are formed on the end surface of the second retaining ring close to the adjacent gasket body, and each connecting column is completely inserted into the corresponding connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145677.6U CN215334414U (en) | 2021-05-26 | 2021-05-26 | Gasket for preventing overflow valve from leaking oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121145677.6U CN215334414U (en) | 2021-05-26 | 2021-05-26 | Gasket for preventing overflow valve from leaking oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334414U true CN215334414U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121145677.6U Active CN215334414U (en) | 2021-05-26 | 2021-05-26 | Gasket for preventing overflow valve from leaking oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111256A (en) * | 2022-07-11 | 2022-09-27 | 扬中市永工密封件有限公司 | Polytetrafluoroethylene anti-corrosion gasket with excellent conductivity |
-
2021
- 2021-05-26 CN CN202121145677.6U patent/CN215334414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111256A (en) * | 2022-07-11 | 2022-09-27 | 扬中市永工密封件有限公司 | Polytetrafluoroethylene anti-corrosion gasket with excellent conductivity |
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