CN215214514U - Air spring structure - Google Patents
Air spring structure Download PDFInfo
- Publication number
- CN215214514U CN215214514U CN202121714106.XU CN202121714106U CN215214514U CN 215214514 U CN215214514 U CN 215214514U CN 202121714106 U CN202121714106 U CN 202121714106U CN 215214514 U CN215214514 U CN 215214514U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- piston
- piston rod
- valve seat
- spring structure
- 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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model relates to an air spring technical field especially relates to an air spring structure, including the cylinder body, wherein: the inside inner chamber that establishes to be used for filling inert gas of cylinder body, the inside of cylinder body is equipped with the disk seat that is located inner chamber one side, and the push pedal is installed to the junction of inner chamber and disk seat, and the inside of cylinder body still is equipped with the oily medium that is located disk seat one side, and the junction of ejector pin and disk seat is equipped with the piston, and the inner wall sliding connection of piston and cylinder body, the periphery of ejector pin are equipped with the piston rod, and the one end and the piston of piston rod are connected. The utility model discloses utilize the disk seat to support the cylinder body to constitute sealedly, can effectively avoid piston rod and ejector pin impaired, through adding end plug isotructure, utilize the tonifying qi hole to the interior tonifying qi of cylinder body, prolong the life of spring. The sealing performance of the air spring stretched for a long time is improved through the sealing ring and the sealing guide sleeve, and the spring is prevented from being damaged by air leakage and oil leakage.
Description
Technical Field
The utility model relates to an air spring technical field especially relates to an air spring structure.
Background
The gas spring is an industrial accessory with the functions of supporting, buffering, braking, height adjusting, angle adjusting and the like, and the working principle of the gas spring is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, so that 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 generated pressure difference as the cross section area of the piston rod is smaller than that of a piston. Compared with a common spring, the gas spring has the remarkable advantages of relatively slow speed, small dynamic force change, easiness in control and the like. After the existing gas spring keeps a long-time stretching length, the sealing performance is poor, and the device is damaged due to gas leakage and oil leakage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air spring structure to solve the problem that proposes among the above-mentioned background art.
The utility model discloses a realize through following technical scheme:
a gas spring structure, the structure of which includes a cylinder body, wherein: the inner cavity of the cylinder body is used for filling inert gas, the valve seat positioned on one side of the inner cavity is arranged in the cylinder body, the push plate is installed at the joint of the inner cavity and the valve seat, the oil medium positioned on one side of the valve seat is also arranged in the cylinder body, the plug is installed on the outer side of the cylinder body, the limit ring is installed on the side surface of the cylinder body, the push rods respectively arranged on two sides of the plug are installed on the outer side of the cylinder body, the top ends of the push rods respectively penetrate through the corresponding limit rings and extend into the inner cavity, the top ends of the push rods are connected with one surface of the push plate, the other surface of the push plate is connected with the tail end of the ejector rod, the top ends of the ejector rod penetrate through the valve seat and the oil medium and extend to the outer part of the cylinder body, a piston is arranged at the joint of the ejector rod and the valve seat, and the piston is in sliding connection with the inner wall of the cylinder body, the periphery of ejector pin is equipped with the piston rod, the one end of piston rod with the piston is connected.
Preferably, the oil medium is an oil-gas mixture filling.
Preferably, the plug is provided with an air supply hole connected with the inner cavity.
Preferably, a sealing ring positioned outside the piston is arranged on the valve seat.
Preferably, a sealing guide sleeve positioned on the periphery of the piston rod is arranged on the side surface of the valve seat.
Preferably, a limit hole for penetrating the other end of the piston rod is formed in the side face of the cylinder body.
Preferably, a protecting sleeve positioned in the oil medium is arranged inside the cylinder body, and the protecting sleeve is sleeved on the outer ring of the piston rod.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses utilize the disk seat to support the cylinder body to constitute sealedly, can effectively avoid piston rod and ejector pin impaired.
2. The utility model discloses an add end cap isotructure, can utilize the tonifying qi hole to the internal tonifying qi of cylinder, the life of extension spring.
3. The utility model discloses a sealing washer, sealed uide bushing isotructure improve the sealing performance of the air spring after long-time stretching, avoid gas leakage, oil leak to lead to the air spring impaired.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a cylinder body; 2-inner cavity; 3-valve seat; 4-an oil medium; 5-plug; 6-air supply hole; 7-a push rod; 8-a limit ring; 9-pushing the plate; 10-a top rod; 11-a piston; 12-a sealing ring; 13-sealing the guide sleeve; 14-a protective sleeve; 15-piston rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example 1:
as shown in fig. 1, the present embodiment provides a gas spring structure including a cylinder body 1, wherein: the inner part of the cylinder body 1 is provided with an inner cavity 2 for filling inert gas, the inner part of the cylinder body 1 is provided with a valve seat 3 positioned on one side of the inner cavity 2, the valve seat 3 is used for supporting the cylinder body 1 and forming the seal of an internal structure, a piston rod 15 and an ejector rod 10 can be effectively prevented from being damaged, a push plate 9 is arranged at the joint of the inner cavity 2 and the valve seat 3, the push plate 9 is used for promoting the movement of a spring, the inner part of the cylinder body 1 is also provided with an oil medium 4 positioned on one side of the valve seat 3, the oil medium 4 is provided with an oil-gas mixed filler for feeding pressure back to the piston 11, the outer side of the cylinder body 1 is provided with a plug 5, the side surface of the cylinder body 1 is provided with a limit ring 8 for limiting the movement track of a push rod 7, the outer side of the cylinder body 1 is provided with push rods 7 respectively arranged on two sides of the plug 5, the top ends of the push rods 7 respectively penetrate through the corresponding limit rings 8 and extend into the inner cavity 2, and the top ends of the push plates 7 are connected with one side of the push plate 9, the other side of push pedal 9 is connected with the end of ejector pin 10, the top of ejector pin 10 passes disk seat 3 and oil medium 4 and extends to the outside of cylinder body 1, the junction of ejector pin 10 and disk seat 3 is equipped with piston 11, the inner wall sliding connection of piston 11 and cylinder body 1, the periphery of ejector pin 10 is equipped with piston rod 15, the one end and the piston 11 of piston rod 15 are connected, piston 11 is used for driving piston rod 15 to remove, ejector pin 10 extrudees oil medium 4, piston 11 department produces pressure, piston rod 15 moves consequently and produces the fine setting, the side of cylinder body 1 is equipped with the spacing hole that is used for passing the piston rod 15 other end.
Example 2:
as shown in fig. 1, in the gas spring structure described in embodiment 1, a plug 5 is provided with an air supply hole 6 connected to an inner cavity 2, the air supply hole 6 is connected to an external air supply device for supplying air to the inner cavity 2, so that the service life of the spring can be prolonged, a protective sleeve 14 located in an oil medium 4 is provided inside a cylinder body 1, the protective sleeve 14 for protecting a piston rod 15 is sleeved on an outer ring of the piston rod 15, and the rest is the same as that in embodiment 1.
Example 3:
as shown in fig. 1, the present embodiment is different from embodiment 2 in that: the valve seat 3 is provided with a sealing ring 12 located outside the piston 11, the side surface of the valve seat 3 is provided with a sealing guide sleeve 13 located on the periphery of the piston rod 15, the sealing ring 12 is used for improving the sealing performance of the gas spring after long-time stretching, the sealing guide sleeve 13 is used for limiting the moving track of the piston rod 15, meanwhile, gas leakage and oil leakage can be avoided, the gas spring device is protected, and the rest is the same as that of the embodiment 2.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A gas spring structure, includes cylinder body (1), its characterized in that: the inner cavity (2) for filling inert gas is arranged inside the cylinder body (1), the valve seat (3) located on one side of the inner cavity (2) is arranged inside the cylinder body (1), the push plate (9) is installed at the joint of the inner cavity (2) and the valve seat (3), the oil medium (4) located on one side of the valve seat (3) is further arranged inside the cylinder body (1), the plug (5) is installed outside the cylinder body (1), the limit ring (8) is installed on the side face of the cylinder body (1), the push rods (7) respectively arranged on two sides of the plug (5) are installed outside the cylinder body (1), the top ends of the push rods (7) respectively penetrate through the corresponding limit ring (8) and extend into the inner cavity (2), the top ends of the push rods (7) are connected with one face of the push plate (9), and the other face of the push plate (9) is connected with the tail end of the ejector rod (10), the top end of the ejector rod (10) penetrates through the valve seat (3) and the oil medium (4) and extends to the outside of the cylinder body (1), a piston (11) is arranged at the joint of the ejector rod (10) and the valve seat (3), the piston (11) is in sliding connection with the inner wall of the cylinder body (1), a piston rod (15) is arranged on the periphery of the ejector rod (10), and one end of the piston rod (15) is connected with the piston (11).
2. A gas spring structure according to claim 1, wherein: the oil medium (4) is set as an oil-gas mixture filler.
3. A gas spring structure according to claim 1, wherein: and the plug (5) is provided with an air supply hole (6) connected with the inner cavity (2).
4. A gas spring structure according to claim 1, wherein: and a sealing ring (12) positioned outside the piston (11) is arranged on the valve seat (3).
5. A gas spring structure according to claim 4, wherein: and a sealing guide sleeve (13) positioned on the periphery of the piston rod (15) is arranged on the side surface of the valve seat (3).
6. A gas spring structure according to claim 1, wherein: and a limiting hole for penetrating the other end of the piston rod (15) is formed in the side surface of the cylinder body (1).
7. A gas spring structure according to claim 1, wherein: the oil cylinder is characterized in that a protective sleeve (14) located in the oil medium (4) is arranged inside the cylinder body (1), and the outer ring of the piston rod (15) is sleeved with the protective sleeve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714106.XU CN215214514U (en) | 2021-07-26 | 2021-07-26 | Air spring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714106.XU CN215214514U (en) | 2021-07-26 | 2021-07-26 | Air spring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214514U true CN215214514U (en) | 2021-12-17 |
Family
ID=79428854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121714106.XU Expired - Fee Related CN215214514U (en) | 2021-07-26 | 2021-07-26 | Air spring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214514U (en) |
-
2021
- 2021-07-26 CN CN202121714106.XU patent/CN215214514U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |