CN220980299U - C-shaped sealing ring - Google Patents
C-shaped sealing ring Download PDFInfo
- Publication number
- CN220980299U CN220980299U CN202322717233.0U CN202322717233U CN220980299U CN 220980299 U CN220980299 U CN 220980299U CN 202322717233 U CN202322717233 U CN 202322717233U CN 220980299 U CN220980299 U CN 220980299U
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- Prior art keywords
- sealing ring
- opening
- ring
- seal
- protrusions
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- 238000007789 sealing Methods 0.000 title claims abstract description 131
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model relates to the technical field of sealing elements, in particular to a C-shaped sealing ring. The C-shaped sealing ring comprises: the device comprises an inner sealing ring, a limiting structure and an outer sealing ring; the outer sealing ring comprises a first opening, the inner sealing ring comprises a second opening, the extending direction of the first opening is the same as the extending direction of the outer sealing ring, the extending direction of the second opening is the same as the extending direction of the inner sealing ring, and the first opening is communicated with the second opening; the limiting structure is located between the inner sealing ring and the outer sealing ring and is used for limiting relative rotation between the inner sealing ring and the outer sealing ring. The limiting structure is arranged between the inner sealing ring and the outer sealing ring of the C-shaped sealing ring, and can limit the relative rotation between the inner sealing ring and the outer sealing ring so as to improve the sealing performance of the C-shaped sealing ring, and the limiting structure can also improve the bearing capacity of the C-shaped sealing ring.
Description
Technical Field
The utility model relates to the technical field of sealing elements, in particular to a C-shaped sealing ring.
Background
To avoid leakage of high temperature gas, sealing is required between adjacent exhaust pipes. At present, sealing rings are mostly adopted for sealing the exhaust pipes.
However, the existing sealing ring is often faced with a service environment of severe vibration, repeated fluctuation of sealing contact pressure of the sealing ring can be caused in the vibration process, relative rotation can be generated between an inner ring and an outer ring of the sealing ring, and sealing performance is seriously affected.
Disclosure of utility model
In view of the above, the embodiment of the utility model provides a C-shaped sealing ring, a limiting structure is arranged between an inner sealing ring and an outer sealing ring of the C-shaped sealing ring, and the limiting structure can limit the relative rotation between the inner sealing ring and the outer sealing ring so as to improve the sealing performance of the C-shaped sealing ring.
The C-shaped sealing ring provided by the embodiment of the utility model comprises: the device comprises an inner sealing ring, a limiting structure and an outer sealing ring; the outer sealing ring comprises a first opening, the inner sealing ring comprises a second opening, the extending direction of the first opening is the same as the extending direction of the outer sealing ring, the extending direction of the second opening is the same as the extending direction of the inner sealing ring, and the first opening is communicated with the second opening; the limiting structure is located between the inner sealing ring and the outer sealing ring and is used for limiting relative rotation between the inner sealing ring and the outer sealing ring.
The C-shaped sealing ring comprises a first opening, and the inner sealing ring comprises a second opening, so that the radial sections of the outer sealing ring and the inner sealing ring are C-shaped. Therefore, when the C-shaped sealing ring seals, besides the effect of external load, the pressure difference between the inside and outside of the sealing interface can be utilized to form self-sealing, so that the effective sealing load value is reduced. In addition, the limiting structure is positioned between the inner sealing ring and the outer sealing ring, and can limit the relative rotation between the inner sealing ring and the outer sealing ring so as to improve the tightness of the C-shaped sealing ring. The limiting structure can also improve the bearing capacity of the C-shaped sealing ring.
In one embodiment, the outer side of the inner sealing ring comprises a plurality of protrusions, the inner side of the outer sealing ring comprises a plurality of grooves, the extending directions of the protrusions are the same as those of the second openings, the extending directions of the grooves are the same as those of the first openings, the grooves are used for accommodating the protrusions, and the grooves and the protrusions form a limiting structure.
In an embodiment, the inner side of the outer sealing ring comprises a plurality of protrusions, the inner side of the inner sealing ring comprises a plurality of protrusions, the extending directions of the protrusions are the same as those of the first opening, the extending directions of the grooves are the same as those of the second opening, the grooves are used for accommodating the protrusions, and the grooves and the protrusions form a limiting structure.
In one embodiment, the C-shaped sealing ring comprises a plurality of reinforcing ribs, wherein the reinforcing ribs are located on the inner side of the inner sealing ring, and the plurality of reinforcing ribs are arranged at intervals along the extending direction of the inner sealing ring.
In one embodiment, a plurality of reinforcing ribs are integrally formed with the inner seal ring.
In one embodiment, the stiffener includes an opening in communication with the second notch.
In one embodiment, the inner seal ring is made of TiNiP memory alloy.
In one embodiment, the outer seal ring is made of nickel-based alloy.
In one embodiment, the inner seal ring and the outer seal ring are hollow structures.
Drawings
FIG. 1 is a schematic structural view of a C-shaped seal ring according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a C-shaped seal ring according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a partial structure of a C-shaped seal ring according to an embodiment of the present utility model;
FIG. 4 is a schematic view of another partial structure of a C-shaped seal ring according to an embodiment of the present utility model;
FIG. 5 is a schematic structural diagram of a C-shaped sealing ring for sealing an exhaust pipe according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a C-shaped sealing ring for sealing an exhaust pipe according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of a partial structure of a C-shaped seal ring for sealing an exhaust pipe according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of another partial structure of a C-ring seal for sealing an exhaust pipe according to an embodiment of the present utility model.
Icon: 10-an inner sealing ring; 11-a second opening; 12-bulge; 20-an outer sealing ring; 21-a first opening; 22-grooves; 30-reinforcing ribs; 31-opening; 40-exhaust pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes a C-shaped seal ring provided by the embodiment of the utility model in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, a C-shaped seal ring provided in an embodiment of the present utility model includes: an inner seal ring 10, a limit structure and an outer seal ring 20; the outer sealing ring 20 comprises a first opening 21, the inner sealing ring 10 comprises a second opening 11, the extending direction of the first opening 21 is the same as the extending direction of the outer sealing ring 20, the extending direction of the second opening 11 is the same as the extending direction of the inner sealing ring 10, and the first opening 21 is communicated with the second opening 11; the limiting structure is located between the inner sealing ring 10 and the outer sealing ring 20, and is used for limiting relative rotation between the inner sealing ring 10 and the outer sealing ring 20.
In the C-shaped sealing ring, the outer sealing ring 20 comprises a first opening 21, and the inner sealing ring 10 comprises a second opening 11, so that the radial cross sections of the outer sealing ring 20 and the inner sealing ring 10 are C-shaped. Therefore, when the C-shaped sealing ring seals, besides the effect of external load, the pressure difference between the inside and outside of the sealing interface can be utilized to form self-sealing, so that the effective sealing load value is reduced. In addition, the limiting structure is located between the inner sealing ring 10 and the outer sealing ring 20, and can limit the relative rotation between the inner sealing ring 10 and the outer sealing ring 20 so as to improve the tightness of the C-shaped sealing ring. The limiting structure can also improve the bearing capacity of the C-shaped sealing ring.
The inner seal ring 10 and the outer seal ring 20 have a hollow structure.
In one embodiment, the spacing structure may include a plurality of projections 12 and a plurality of recesses 22 that mate with the plurality of projections 12. In some embodiments, the plurality of protrusions 12 may be disposed on the outer side of the inner seal ring 10, the plurality of grooves 22 are disposed on the inner side of the outer seal ring 20, and the extending direction of the plurality of protrusions 12 is the same as the extending direction of the second opening 11, and the extending direction of the plurality of grooves 22 is the same as the extending direction of the first opening 21. It will be appreciated that the plurality of protrusions 12 are integrally formed with the inner seal ring 10 and the plurality of grooves 22 form the inner side of the outer seal ring 20. In this way, the limiting structure is formed by providing a plurality of grooves 22 on the inner side of the outer seal ring 20 and a plurality of protrusions 12 on the outer side of the inner seal ring 10, so as to limit the relative rotation between the outer seal ring 20 and the inner seal ring 10. The arrangement of the plurality of grooves 22 and the plurality of protrusions 12 also improves the load bearing capacity of the C-ring.
In some embodiments, the plurality of protrusions 12 may be disposed on the inner side of the outer seal ring 20, the plurality of protrusions 12 are disposed on the outer side of the inner seal ring 10, the extending direction of the plurality of protrusions 12 is the same as the extending direction of the second opening 11, the extending direction of the plurality of grooves 22 is the same as the extending direction of the first opening 21, the grooves 22 are used for accommodating the protrusions 12, and the plurality of grooves 22 and the plurality of protrusions 12 form a limiting structure. It will be appreciated that the plurality of protrusions 12 are integrally formed with the outer seal ring 20 and the plurality of grooves 22 form the outer side of the inner seal ring 10. In this way, the limiting structure is formed by providing a plurality of grooves 22 on the outer side of the inner seal ring 10 and a plurality of protrusions 12 on the inner side of the outer seal ring 20, so as to limit the relative rotation between the outer seal ring 20 and the inner seal ring 10.
In one embodiment, the C-shaped sealing ring includes a plurality of reinforcing ribs 30, the plurality of reinforcing ribs 30 are located at the inner side of the inner sealing ring 10, and the plurality of reinforcing ribs 30 are arranged at intervals along the extending direction of the inner sealing ring 10. The provision of the plurality of reinforcing ribs 30 can reduce the occurrence of excessive compression of the inner seal ring 10 during movement and improve the self-sealing property of the C-shaped seal ring. It should be noted that the reinforcing rib 30 includes an opening 31, and the opening 31 communicates with the second opening 11.
In one embodiment, the stiffener 30 and the inner seal ring 10 may be integrally formed. When the C-shaped sealing ring is at a high temperature and receives pressure, the setting of the reinforcing ribs can also enhance the capability of the C-shaped sealing ring to recover.
In one embodiment, the inner seal ring 10 is a TiNiP memory alloy. In this way, the inner seal ring 10 can gradually enhance the memory restoring force along with the temperature rise, and effectively enhance the contact pressure of the seal element, thereby enhancing the sealing performance in a high-temperature working environment. The material of the reinforcing rib 30 is the same as that of the inner seal ring 10.
In one embodiment, the outer seal ring 20 is made of nickel-based alloy. The inner sealing ring 10 adopts TiNiP memory alloy, the outer sealing ring 20 adopts nickel base alloy, and the phenomenon that the C-shaped sealing ring is compressed too much in the moving process can be avoided, so that the C-shaped sealing ring has good self-sealing property.
Referring to fig. 5 to 8, the C-shaped sealing ring provided by the present application seals the exhaust pipe 40, and the C-shaped sealing ring in this way has good sub-sealing characteristics, and can improve the sealing performance of the exhaust pipe 40.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. The C-shaped sealing ring is characterized by comprising an inner sealing ring, a limiting structure and an outer sealing ring;
The outer sealing ring comprises a first opening, the inner sealing ring comprises a second opening, the extending direction of the first opening is the same as the extending direction of the outer sealing ring, the extending direction of the second opening is the same as the extending direction of the inner sealing ring, and the first opening is communicated with the second opening;
the limiting structure is located between the inner sealing ring and the outer sealing ring and is used for limiting relative rotation between the inner sealing ring and the outer sealing ring.
2. The C-ring seal of claim 1, wherein the outer side of the inner seal includes a plurality of protrusions, the inner side of the outer seal includes a plurality of grooves, the plurality of protrusions extend in the same direction as the second opening, the plurality of grooves extend in the same direction as the first opening, the grooves are configured to receive the protrusions, and the plurality of grooves and the plurality of protrusions form the limiting structure.
3. The C-ring seal of claim 2, wherein the inner side of the outer seal includes a plurality of protrusions, the inner side of the inner seal includes a plurality of protrusions extending in the same direction as the first opening, the plurality of grooves extending in the same direction as the second opening, the grooves for receiving the protrusions, the plurality of grooves and the plurality of protrusions forming the limiting structure.
4. A C-ring seal according to any one of claims 1 to 3, wherein the C-ring seal includes a plurality of reinforcing ribs located on the inner side of the inner ring seal, the plurality of reinforcing ribs being arranged at intervals along the extending direction of the inner ring seal.
5. A C-ring seal as defined in claim 4, wherein said reinforcing rib includes an opening, said opening communicating with said second gap.
6. The C-ring seal of claim 4, wherein the plurality of ribs are integrally formed with the inner seal.
7. The C-ring seal of claim 1, wherein the inner seal is a TiNiP memory alloy.
8. The C-ring seal of claim 1, wherein the outer seal is a nickel-based alloy.
9. The C-ring seal of claim 1, wherein the inner and outer ring seals are hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717233.0U CN220980299U (en) | 2023-10-10 | 2023-10-10 | C-shaped sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322717233.0U CN220980299U (en) | 2023-10-10 | 2023-10-10 | C-shaped sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220980299U true CN220980299U (en) | 2024-05-17 |
Family
ID=91058706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322717233.0U Active CN220980299U (en) | 2023-10-10 | 2023-10-10 | C-shaped sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220980299U (en) |
-
2023
- 2023-10-10 CN CN202322717233.0U patent/CN220980299U/en active Active
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| GR01 | Patent grant | ||
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