CN218718731U - Piston seal ring - Google Patents
Piston seal ring Download PDFInfo
- Publication number
- CN218718731U CN218718731U CN202223003382.2U CN202223003382U CN218718731U CN 218718731 U CN218718731 U CN 218718731U CN 202223003382 U CN202223003382 U CN 202223003382U CN 218718731 U CN218718731 U CN 218718731U
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- CN
- China
- Prior art keywords
- ring body
- piston
- hollow
- shutoff
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a piston seal ring relates to the piston seal technical field, include the seal ring body and support and press the subassembly, support and press the top that the subassembly is located the seal ring body, support and press the subassembly to include the hollow ring body, the inboard of the hollow ring body is provided with the cavity. The utility model discloses, when this piston seal circle is piston motion from top to bottom, if it is used for the shutoff to use, hollow circle body can be in advance with the contact of shutoff end, and draw the drag influence, make hollow circle body atress flatten, can extrude the gas that lies in the cavity inside simultaneously, the change is located the gaseous position of cavity inside, increase the area of contact between hollow circle body top and the shutoff end, when it is not used for the shutoff to use, hollow circle body receives its inside gaseous influence directly to reset, it is convenient for and the shutoff end has certain hole to have guaranteed hollow circle body, the frictional resistance who receives in making its piston motion process is less, the operation of being convenient for, can guarantee the leakproofness of its shutoff, can reduce the degree of difficulty of its operation again.
Description
Technical Field
The utility model relates to a piston seal technical field specifically is a piston seal circle.
Background
The oil cylinder in the hydraulic mechanical equipment consists of a cylinder body, a piston rod, a cylinder cover and a sealing ring, wherein the piston sealing is a sealing principle pointing to the space between the cylinder body and the piston, the performance of the oil cylinder is influenced when the sealing is not good, and a sealing groove is formed in the piston.
The existing cylinder piston sealing ring (specifically refer to patent number: 201220297435.3) comprises a sealing ring body, the section of the sealing ring is Y-shaped, two sealing pieces are arranged at one end of the sealing ring body, and the two sealing pieces are arranged at one end of the sealing ring body, so that the phenomenon of air leakage is reduced and the working efficiency is improved in the piston movement process.
However, in the use process of the existing piston sealing ring, the diameter of the piston sealing ring is not changed in the sealing and opening states, so that the sealing range cannot be increased in the sealing process, if the sealing range is small, the edge of the sealing ring is affected by impact force, gas permeation is realized, and the sealing effect is reduced to a certain extent.
Disclosure of Invention
An object of the utility model is to provide a piston seal to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the piston sealing ring comprises a sealing ring body and a pressing component, wherein the pressing component is located at the top of the sealing ring body and comprises a hollow ring body, and a cavity is arranged on the inner side of the hollow ring body.
As a further aspect of the present invention: and inner notches are arranged on the corresponding end surfaces of the inner sides of the hollow ring body and the sealing ring body.
As a further aspect of the present invention: and outer notches are arranged on the corresponding end surfaces of the outer sides of the hollow ring body and the sealing ring body.
As a further aspect of the present invention: the cavity is filled with gas, and the content of the gas accounts for two thirds of the inner space of the cavity.
As a further aspect of the present invention: the seal ring body is solid.
Compared with the prior art, the beneficial effects of the utility model are that:
through the seal ring body and the abutting assembly, when the piston motion is carried out on the piston seal ring up and down, if the piston seal ring is used for plugging, the hollow ring body can be in contact with the plugging end in advance and is influenced by a pulling force, so that the hollow ring body is stressed to be flattened, and meanwhile, the gas inside the cavity can be extruded, and the position of the gas inside the cavity is changed, so that the contact area between the top of the hollow ring body and the plugging end can be increased.
Drawings
FIG. 1 is a schematic diagram of a piston seal;
FIG. 2 is a perspective view of a piston seal ring;
fig. 3 is a partial structural schematic view of a piston seal ring.
In the figure: 1. a seal ring body; 2. a pressing component; 201. a hollow ring body; 202. a cavity; 3. an inner notch; 4. an outer notch.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a piston seal ring includes a seal ring body 1 and a pressing component 2, the pressing component 2 is located at a top of the seal ring body 1, the pressing component 2 includes a hollow ring body 201, and a cavity 202 is disposed inside the hollow ring body 201.
In fig. 1, 2 and 3: the corresponding end surfaces of the inner sides of the hollow ring body 201 and the sealing ring body 1 are provided with inner notches 3, and sufficient deformation space is provided for the hollow ring body 201 to expand and deform inwards under stress.
In fig. 1, 2 and 3: the corresponding end surfaces of the hollow ring body 201 and the sealing ring body 1 are provided with outer notches 4, so that a sufficient deformation space is provided for the hollow ring body 201 to expand and deform outwards under stress.
In fig. 1: the cavity 202 is filled with gas, and the content of the gas accounts for two thirds of the inner space of the cavity 202, so that the cavity can be reset while being deformed under stress.
In fig. 1, 2 and 3: the seal ring body 1 is solid, so that the stability of a subsequent piston is facilitated.
The utility model discloses a theory of operation is: when the piston sealing ring does piston motion up and down, if the piston sealing ring is used for plugging, the hollow ring body can be in contact with the plugging end in advance and is influenced by pulling force, so that the hollow ring body is stressed to be flattened, meanwhile, gas in the cavity 202 can be extruded, and the position of the gas in the cavity 202 is changed, so that the contact area between the top of the hollow ring body 201 and the plugging end can be increased.
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (5)
1. The piston sealing ring comprises a sealing ring body (1) and a pressing component (2), and is characterized in that the pressing component (2) is located at the top of the sealing ring body (1), the pressing component (2) comprises a hollow ring body (201), and a cavity (202) is arranged on the inner side of the hollow ring body (201).
2. A piston ring according to claim 1, characterized in that the respective end faces of the inner sides of the hollow ring body (201) and the sealing ring body (1) are provided with inner notches (3).
3. A piston ring according to claim 1, characterized in that the respective end faces of the hollow ring body (201) and the outer side of the sealing ring body (1) are provided with outer notches (4).
4. A piston seal according to claim 1, characterized in that the interior of the cavity (202) is filled with a gas, and the content of the gas is two thirds of the space inside the cavity (202).
5. A piston ring according to claim 1, characterized in that the ring body (1) is solid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003382.2U CN218718731U (en) | 2022-11-11 | 2022-11-11 | Piston seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003382.2U CN218718731U (en) | 2022-11-11 | 2022-11-11 | Piston seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718731U true CN218718731U (en) | 2023-03-24 |
Family
ID=85614201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223003382.2U Active CN218718731U (en) | 2022-11-11 | 2022-11-11 | Piston seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718731U (en) |
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2022
- 2022-11-11 CN CN202223003382.2U patent/CN218718731U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |