CN218718397U

CN218718397U - Gas spring connecting structure with adjustable tightness

Info

Publication number: CN218718397U
Application number: CN202222942277.9U
Authority: CN
Inventors: 尹峻岗; 宋羽
Original assignee: Guizhou Longfei Air Spring Co ltd
Current assignee: Guizhou Longfei Air Spring Co ltd
Priority date: 2022-11-05
Filing date: 2022-11-05
Publication date: 2023-03-24
Anticipated expiration: 2032-11-05

Abstract

The utility model discloses a gas spring connection structure of adjustable elasticity belongs to gas spring and connects technical field, include: the piston is arranged inside the piston cylinder, the push-pull rod is fixed to the top end of the piston cylinder, the tightening device is arranged on the side face of the piston, the fixed block is arranged on the top end of the tightening device, and the limiting device is fixed to the top end of the piston cylinder. This air spring connection structure of adjustable elasticity can change the elasticity of air spring, also can guarantee the stability of air spring simultaneously, also can prevent air spring wearing and tearing, guarantees that the gas tightness is good.

Description

Gas spring connecting structure with adjustable tightness

Technical Field

The utility model belongs to the technical field of the air spring is connected, especially, relate to an air spring connection structure of adjustable elasticity.

Background

The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like, and the gas spring is based on the principle that inert gas or oil-gas mixture is filled in a closed pressure cylinder to enable the pressure in a cavity to be several times or dozens of times higher than the atmospheric pressure, the motion of a piston rod is realized by utilizing the pressure difference generated by the fact that the cross section area of the piston rod is smaller than that of a piston, and the gas spring in real life has the following technical problems:

1. because the movement process is too long, the deformation is generated after the stress, the abrasion between the piston and the cylinder barrel and between the piston rod and the oil seal are increased, and the stability of the air spring is reduced;

2. in the using process, the tightness of the gas spring cannot be adjusted, so that the piston cannot well move in the piston cylinder, and the sensitivity of the piston is reduced;

3. when the gas spring is used and is collided carefully, the sealing surface is damaged, and the gas leakage phenomenon is caused.

Therefore, the utility model provides an air spring connecting structure of adjustable elasticity to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air spring connection structure of adjustable elasticity, this air spring connection structure of adjustable elasticity can change the elasticity of air spring, also can guarantee the stability of air spring simultaneously, also can prevent that the air spring from wearing and tearing, guarantees that the gas tightness is good.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable tightness gas spring coupling structure, this adjustable tightness gas spring coupling structure, includes: the piston is arranged inside the piston cylinder, the push-pull rod is fixed to the top end of the piston cylinder, the tightening device is arranged on the side face of the piston, the fixed block is arranged on the top end of the tightening device, and the limiting device is fixed to the top end of the piston cylinder.

Further, the take-up unit includes: regulating plate, telescopic link, dwang, rolling disc, the rolling disc is fixed in the dwang top, dwang and telescopic link threaded connection, the telescopic link passes the piston and is fixed in the regulating plate bottom, the regulating plate sets up in the piston side.

Adopt above-mentioned scheme: the tightness of the gas spring can be changed.

Further, stop device includes: the fixed plate is fixed at the top end of the piston cylinder, the positioning ring is far away from the piston cylinder and is matched with the push-pull rod shaft sleeve, and the fixing ring is fixed at the top end of the fixed plate.

Adopt above-mentioned scheme: the stability of the gas spring is ensured.

Furthermore, a protective shell is arranged on the side face of the piston cylinder.

Adopt above-mentioned scheme: prevent the air spring wearing and tearing, guarantee that the gas tightness is good.

The utility model has the advantages that:

1. set up the take-up unit and pass through the regulating plate, can change the elasticity of air spring, and then guarantee the air spring sensitivity.

2. Set up stop device and pass through the holding ring location, prevent the air spring motion process overlength, guarantee the stability of air spring.

3. Set up the protecting crust and prevent the air spring wearing and tearing, guarantee that the gas tightness is good.

Drawings

Fig. 1 is a schematic structural view of an adjustable tightness gas spring connection structure provided by the present invention;

FIG. 2 is a schematic cross-sectional view of a gas spring connection structure with adjustable tightness according to the present invention;

in the figure: 1. rotating the disc; 2. rotating the rod; 3. the telescopic rod 4 and the adjusting plate; 5. a positioning ring; 6. a fixing plate; 7. a fixing ring; 8. a protective shell; 9. a piston; 10. a piston cylinder; 11. a push-pull rod; 12. a fixed block; 13. a take-up unit; 14. a limiting device.

Detailed Description

In order to further understand the contents, features and functions of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

Referring to fig. 1 to fig. 2, a gas spring connecting structure with adjustable tightness according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, the tightness-adjustable gas spring coupling structure includes: piston cylinder 10, piston 9, push-pull rod 11, fixed block 12, take-up unit 13, stop device 14, piston 9 sets up inside piston cylinder 10, push-pull rod 11 is fixed on piston cylinder 10 top, take-up unit 13 sets up in the piston 9 side, fixed block 12 sets up on the 13 tops of take-up unit, stop device 14 is fixed on piston cylinder 10 top, and wherein take-up unit 13 includes: regulating plate 4, telescopic link 3, dwang 2, rolling disc 1 is fixed in 2 tops of dwang,

dwang

2 and 3 threaded connection of telescopic link, telescopic link 3 passes piston 9 and is fixed in 4 bottoms of regulating plate, regulating plate 4 sets up in the piston 9 side, stop device 14 includes: the device comprises a fixing plate 6, a positioning ring 5 and a fixing ring 7, wherein the fixing plate 6 is fixed at the top end of a piston cylinder 10, the positioning ring 5 is far away from a piston 9 cylinder and is matched with a push-pull rod 11 in a shaft sleeve mode, the fixing ring 7 is fixed at the top end of the fixing plate 6, and a protective shell 8 is arranged on the side face of the piston cylinder 10.

In this embodiment, need carry out the gas tightness to whole device before the use and detect, if there is not the gas leakage problem, then can install the device, in the use, if the velocity of motion of finding piston 9 does not reach the requirement, but manual regulation rolling disc 1 drives dwang 2, make telescopic link 3 stretch out and change regulating plate 4 position with the shrink, and then increase and reduce the elasticity when piston 9 moves, when piston 9 moves to a certain position simultaneously, the holding ring 5 of fixing on push-and-pull rod 11 can be supported by solid fixed ring 7, prevent the gas spring motion process overlength, guarantee the stability of gas spring, piston 9 is at this certain within range repetitive motion afterwards.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas spring connection structure of adjustable elasticity which characterized in that includes: the piston-type automatic locking device comprises a piston cylinder (10), a piston (9), a push-pull rod (11), a fixed block (12), a tightening device (13) and a limiting device (14), wherein the piston (9) is arranged inside the piston cylinder (10), the push-pull rod (11) is fixed to the top end of the piston cylinder (10), the tightening device (13) is arranged on the side face of the piston (9), the fixed block (12) is arranged on the top end of the tightening device (13), and the limiting device (14) is fixed to the top end of the piston cylinder (10).

2. An adjustable tightness gas spring coupling structure according to claim 1, wherein said take-up (13) includes: regulating plate (4), telescopic link (3), dwang (2), rolling disc (1) is fixed in dwang (2) top, dwang (2) and telescopic link (3) threaded connection, telescopic link (3) are passed piston (9) and are fixed in regulating plate (4) bottom, regulating plate (4) set up in piston (9) side.

3. An adjustable tightness gas spring coupling according to claim 1 wherein said retainer means (14) includes: fixed plate (6), holding ring (5), solid fixed ring (7), fixed plate (6) are fixed in piston cylinder (10) top, piston cylinder (10) and push-and-pull rod (11) axle sleeve cooperation are kept away from in holding ring (5), solid fixed ring (7) are fixed in fixed plate (6) top.

4. An adjustable tightness gas spring connection according to claim 1, characterized in that the piston (9) cylinder side is provided with a protective shell (8).