CN213393284U - High-performance air spring - Google Patents
High-performance air spring Download PDFInfo
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- CN213393284U CN213393284U CN202022175926.8U CN202022175926U CN213393284U CN 213393284 U CN213393284 U CN 213393284U CN 202022175926 U CN202022175926 U CN 202022175926U CN 213393284 U CN213393284 U CN 213393284U
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- piston rod
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- annular spring
- ring
- spring
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Abstract
The utility model provides a high-performance gas spring, which comprises a cylinder body, a piston and a piston rod, wherein the end part of the cylinder body is provided with a guide sleeve for sleeving the piston rod, the piston rod is connected with the cylinder body through a sealing ring, the sealing ring comprises a head part and a tail part which are integrally connected, and the head part and the tail part have the same structure and are symmetrically arranged; the head is equipped with the outside circle of connecting the cylinder body inner wall and connects the inside circle of piston rod, and outside circle joint has first annular spring, and inside circle joint has second annular spring. The outer ring is connected with the inner wall of the cylinder body, the inner ring is connected with the piston rod to realize the sealing connection of the piston rod and the cylinder body, the first annular spring is in a compressed state, and the restoring force of the first annular spring increases the pressure between the outer ring and the inner wall of the cylinder body; the second annular spring is in a stretched state, and the restoring force of the second annular spring increases the pressure between the inner ring and the piston rod; thereby improving the sealing performance between the piston rod and the cylinder body; even if the sealing ring is abraded, leakage is not easy to generate.
Description
Technical Field
The utility model relates to an air spring technical field specifically is a high performance air spring.
Background
The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, a filler (inert gas or oil-gas mixture), an in-cylinder control element, an out-cylinder control element (a controllable gas spring), a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston. Compared with a common spring, the gas spring has the remarkable advantages that: the speed is relatively slow, the dynamic force change is not large (generally within 1: 1.2), and the control is easy. After the gas spring works for a long time, the sealing element is easy to wear, leakage is caused, and the service life and the quality of the gas spring are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the technical problem that the traditional gas spring sealing element is easy to wear and cause leakage is solved.
The utility model provides a high-performance air spring, which comprises a cylinder body, a piston and a piston rod, wherein the end part of the cylinder body is provided with a guide sleeve for sleeving the piston rod, the piston rod is connected with the cylinder body through a sealing ring, the sealing ring comprises a head part and a tail part which are integrally connected, and the head part and the tail part have the same structure and are symmetrically arranged; the head is equipped with the connection the outside circle of cylinder body inner wall and connection the inside circle of piston rod, outside circle joint has first annular spring, inside circle joint has second annular spring.
The outer ring is connected with the inner wall of the cylinder body, the inner ring is connected with the piston rod to realize the sealing connection of the piston rod and the cylinder body, the first annular spring is in a compressed state, and the restoring force of the first annular spring increases the pressure between the outer ring and the inner wall of the cylinder body; the second annular spring is in a stretched state, and the restoring force of the second annular spring increases the pressure between the inner ring and the piston rod; thereby improving the sealing performance between the piston rod and the cylinder body; even if the sealing ring is abraded, leakage is not easy to generate.
Furthermore, the outer ring is connected with a first annular stop block, and the inner ring is connected with a second annular stop block. The first stop block is used for limiting the first annular spring and avoiding the first annular spring from shifting; the second stop block is used for limiting the second annular spring and avoiding the second annular spring from shifting.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
in the figure: 1. a cylinder body; 2. a piston; 3. a piston rod; 4. a guide sleeve; 5. a seal ring; 6. a first annular spring; 7. a second annular spring; 51. a head portion; 52. a tail portion; 53. an outer ring; 54. an inner ring; 55. a first stopper; 56. a second stop.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 and 2, the utility model relates to a high-performance gas spring, which comprises a cylinder body 1, a piston 2 and a piston rod 3, wherein the end part of the cylinder body 1 is provided with a guide sleeve 4 sleeved with the piston rod 3, the piston rod 3 is connected with the cylinder body 1 through a sealing ring 5, as shown in fig. 3, the sealing ring 5 comprises a head part 51 and a tail part 52 which are integrally formed and connected, and the head part 51 and the tail part 52 have the same structure and are symmetrically arranged; the head part 51 is provided with an outer ring 53 connected with the inner wall of the cylinder body 1 and an inner ring 54 connected with the piston rod 3, the outer ring 53 is connected with a first annular stop block 55, and the inner ring 54 is connected with a second annular stop block 56; a first annular spring 6 is clamped between the outer ring 53 and the first stopper 55, and a second annular spring 7 is clamped between the inner ring 54 and the second stopper 56.
The outer ring 53 is connected with the inner wall of the cylinder body 1, the inner ring 54 is connected with the piston rod 3 to realize the sealing connection of the piston rod 3 and the cylinder body 1, the first annular spring 6 is in a compressed state, and the restoring force of the first annular spring increases the pressure between the outer ring 53 and the inner wall of the cylinder body 1; the second annular spring 7 is in a stretched state, and its restoring force increases the pressure between the inner ring 54 and the piston rod 3; thereby improving the sealing performance between the piston rod 3 and the cylinder body 1; even if the seal ring 5 is worn, leakage is less likely to occur.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a high performance air spring, includes cylinder body (1), piston (2) and piston rod (3), cylinder body (1) tip is equipped with and cup joints uide bushing (4) of piston rod (3), piston rod (3) with cylinder body (1) is connected its characterized in that through sealing washer (5): the sealing ring (5) comprises a head part (51) and a tail part (52) which are integrally formed and connected, and the head part (51) and the tail part (52) have the same structure and are symmetrically arranged; the head (51) is provided with an outer ring (53) connected with the inner wall of the cylinder body (1) and an inner ring (54) connected with the piston rod (3), the outer ring (53) is clamped with a first annular spring (6), and the inner ring (54) is clamped with a second annular spring (7).
2. A high performance gas spring as set forth in claim 1 wherein: the outer ring (53) is connected with a first annular stop block (55), and the inner ring (54) is connected with a second annular stop block (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175926.8U CN213393284U (en) | 2020-09-28 | 2020-09-28 | High-performance air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022175926.8U CN213393284U (en) | 2020-09-28 | 2020-09-28 | High-performance air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213393284U true CN213393284U (en) | 2021-06-08 |
Family
ID=76184394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022175926.8U Active CN213393284U (en) | 2020-09-28 | 2020-09-28 | High-performance air spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213393284U (en) |
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2020
- 2020-09-28 CN CN202022175926.8U patent/CN213393284U/en active Active
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