Bilateral buffering type high-stability gas spring

Abstract

The double-side buffering type high-stability gas spring comprises a piston cylinder, a piston is arranged in the piston cylinder in a sliding mode, a piston rod is arranged at one end of the piston, a positioning type buffering body is arranged at the other end of the piston, and the positioning type buffering body is connected with the piston in a sliding mode and is jacked by a side buffering piece A; the piston cylinder is provided with a fixed part buffer sealing body corresponding to the positioning type buffer body; the side, corresponding to the piston rod, of the piston is provided with a side buffering piece B abutting against the piston cylinder. The side buffering piece A and the side buffering piece B on the two sides of the piston are combined to form a piston moving type double-side buffering high-stability air spring structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to damping device, especially in the gas spring technical field, specifically, it is a kind of double-side buffer formula high stability gas spring. BACKGROUND

[0002] Compared with traditional mechanical spring, gas spring has the advantages of small size, large elastic force, long stroke, stable work, high precision, long life, smooth elastic curve, no pre-tightening and the like.

[0003] The gas spring in the prior art generally includes a cylinder, a threaded sleeve fixedly installed on the upper end of the cylinder and a plunger rod installed in the cylinder and penetrating the threaded sleeve, and a sealing ring is sleeved outside the threaded sleeve, which is in sealing contact with the inner wall of the cylinder; during work, the plunger rod is forced to move downward and forms an elastic support force; when the force is removed, the plunger rod returns.

[0004] However, in some cases, the gas spring has an instantaneous impact when compressed to the shortest stroke or elongated to the longest stroke, which affects the stability of the equipment in the use environment of the gas spring.

[0005] Therefore, it is necessary to provide a double-side buffer formula high stability gas spring to solve the above problems. SUMMARY

[0006] The utility model aims at providing a double-side buffer formula high stability gas spring.

[0007] The technical scheme is as follows:

[0008] A double-side buffer formula high stability gas spring includes a piston cylinder, a piston is slidably arranged in the piston cylinder, the piston is provided with a piston rod at one end and a positioning buffer body at the other end, the positioning buffer body is slidably connected to the piston and is supported by a side buffer A, and the piston cylinder is provided with a fixed part buffer sealing body corresponding to the positioning buffer body; the piston is provided with a side buffer B supporting the piston cylinder corresponding to the piston rod side; the side buffer A and the side buffer B on both sides of the piston are combined to form a high stability gas spring structure with double-side buffer of piston movement.

[0009] Further, a piston part guide sealing module is arranged on the piston corresponding to the piston rod side.

[0010] Further, a sealing framework is arranged at the connection between the piston and the piston rod.

[0011] Further, the side buffer A and the side buffer B are both springs.

[0012] Further, a positioning groove for cooperating with the positioning buffer body is arranged on the fixed part buffer sealing body.

[0013] Further, the piston rod part guide sealing module is arranged at the connection between the piston cylinder and the piston rod.

[0014] Further, the side buffer B is connected to the piston part guide sealing module or the piston rod part guide sealing module.

[0015] Compared with the prior art, the piston movable double-side buffer is formed by the combination of the side buffer A and the side buffer B on both sides of the piston, and the equipment stability in use is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] Embodiment:

[0018] Please refer to Figure 1 , the embodiment shows a double-side buffer type high-stability gas spring, which comprises a piston cylinder 1, a piston 2 is slidably arranged in the piston cylinder 1, the piston 2 is provided with a piston rod 3 at one end and is provided with a positioning buffer body 4 at the other end, the positioning buffer body 4 is slidably connected with the piston 3 and is supported by a side buffer A 5, and the piston cylinder 1 is provided with a fixed part buffer sealing body 11 corresponding to the positioning buffer body 4; the piston 2 is provided with a side buffer B 6 supporting the piston cylinder 1 corresponding to the piston rod 3 side; the side buffer A 5 and the side buffer B 6 on both sides of the piston 2 are combined to form a piston movable double-side buffer high-stability gas spring structure.

[0019] The piston part guide sealing module 7 is arranged on the piston 2 corresponding to the piston rod 3 side.

[0020] The sealing framework 8 is further arranged at the connection between the piston 2 and the piston rod 3.

[0021] The side buffer A 5 and the side buffer B 6 are both springs.

[0022] The positioning groove 12 used in cooperation with the positioning buffer body 4 is formed in the fixed part buffer sealing body 11.

[0023] The piston rod part guide sealing module 9 is arranged at the connection between the piston cylinder 2 and the piston rod 3.

[0024] The side buffer B 6 is connected to the piston part guide sealing module 7 or the piston rod part guide sealing module 9.

[0025] Compared with the prior art, the piston movable double-side buffer is formed by the combination of the side buffer A and the side buffer B on both sides of the piston, and the equipment stability in use is ensured.

[0026] For those of ordinary skill in the art, without departing from the inventive concept of the present application, a number of variations and improvements can be made, which are within the scope of the present application.

Claims

1. A double-sided buffer-type high-stability gas spring, characterized in that: The device includes a piston cylinder, in which a piston is slidably mounted. One end of the piston has a piston rod, and the other end has a positioning buffer. The positioning buffer is slidably connected to the piston and is supported by a side buffer A. The piston cylinder has a fixed buffer sealing body corresponding to the positioning buffer. A side buffer B supporting the piston cylinder is provided on the piston rod side. The side buffers A and B on both sides of the piston combine to form a highly stable gas spring structure with piston-moving double-sided buffering.

2. The double-sided buffer type high-stability gas spring according to claim 1, characterized in that: A piston guide sealing module is provided on the piston corresponding to the piston rod side.

3. A double-sided buffer-type high-stability gas spring according to claim 2, characterized in that: A sealing skeleton is also provided at the connection between the piston and the piston rod.

4. A double-sided buffer-type high-stability gas spring according to claim 3, characterized in that: Both side buffer A and side buffer B are springs.

5. A double-sided buffer-type high-stability gas spring according to claim 4, characterized in that: The fixed part of the buffer seal is provided with a positioning groove for use with the positioning buffer.

6. A double-sided buffer-type high-stability gas spring according to claim 5, characterized in that: A piston rod guide sealing module is provided at the connection between the piston cylinder and the piston rod.

7. A double-sided buffer-type high-stability gas spring according to claim 6, characterized in that: Side buffer B is connected to the piston guide sealing module or the piston rod guide sealing module.

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