CN210003731U

CN210003731U - Gas spring for automobile

Info

Publication number: CN210003731U
Application number: CN201920740192.8U
Authority: CN
Inventors: 李亚明; 祁爱军; 赵旭
Original assignee: JIANGSU FEDISS AUTO SYSTEM CO Ltd
Current assignee: JIANGSU FEDISS AUTO SYSTEM CO Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-31
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses an air spring for car, include the air spring body of constituteing by cylinder body, piston and piston rod, piston and cylinder body inner wall sliding seal are connected, piston rod fixed connection is at the downside of piston, the movable sleeve is equipped with the oil blanket on the piston rod, the downside of cylinder body is equipped with the closing plate, set up the through-hole that corresponds with the piston rod on the closing plate, the upside of closing plate is connected with the cylinder body lateral wall through the coupling mechanism that two symmetries set up, the cover is equipped with the ring on the piston rod, be equipped with in the ring and prevent the mechanism that contracts that corresponds with the piston rod, the side fixedly connected with mounting panel of ring, the utility model discloses a set up coupling mechanism, can take off the closing plate to be convenient for clean and maintain the piston and the oil blanket of cylinder body inside, prevent the cooperation of contracting mechanism and block mechanism through the setting up to can carry on spacingly to the piston.

Description

Gas spring for automobile

Technical Field

The utility model relates to an air spring technical field especially relates to air spring for car.

Background

The air spring is kinds of parts which can realize functions of supporting, buffering, braking, height and angle adjustment, and has the obvious advantages such as relatively slow speed, small dynamic force change, easy control and the like compared with a common spring due to fundamental difference in principle, and the air spring is also required to be used on an automobile.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the cylinder body structure of the current air spring that exists among the prior art and comparatively sealing, be not convenient for wash and maintain the dirt on the piston of cylinder body inside and the oil blanket, and current piston rod when not using, because the pressure change in the cylinder body leads to the piston rod to return easily to lead to unexpected shortcoming easily, and the car that proposes is with the air spring.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

air spring for car, include the air spring body of constituteing by cylinder body, piston and piston rod, piston and cylinder body inner wall sliding seal are connected, piston rod fixed connection is at the downside of piston, the movable sleeve is equipped with the oil blanket on the piston rod, the downside of cylinder body is equipped with the closing plate, set up the through-hole that corresponds with the piston rod on the closing plate, the upside of closing plate is connected with the cylinder body lateral wall through the coupling mechanism that two symmetries set up, the cover is equipped with the ring on the piston rod, be equipped with the mechanism that contracts of preventing that corresponds with the piston rod in the ring, the side fixedly connected with mounting panel of ring, the mounting panel passes through block mechanism and.

Preferably, coupling mechanism includes the lug of fixed connection on the closing plate, the recess that corresponds with the lug is seted up to the cylinder body downside, fixedly connected with connecting plate on the closing plate, the side fixedly connected with mount that the connecting plate is close to the cylinder body, the spring coupling that the inner wall of mount set up through two symmetries has T type pull rod, the tip of T type pull rod runs through mount lateral wall and fixedly connected with movable plate, four equidistance horizontally arranged's of side fixedly connected with stopper that T type pull rod was kept away from to the movable plate, the spacing groove that corresponds with the stopper is seted up to the cylinder body lateral wall.

Preferably, the side of the connecting plate close to the T-shaped pull rod is fixedly connected with a magnet, and the T-shaped pull rod is made of iron.

Preferably, prevent that back-retraction mechanism is including the fastening bolt that is located two symmetries settings of both sides around the ring, set up the movable opening that corresponds with fastening bolt on the ring, fastening bolt's tip runs through movable opening and threaded connection has the movable block, the end that fastening bolt was kept away from to the movable block runs through movable opening and fixedly connected with splint, fastening bolt's side fixedly connected with slipmat is kept away from to splint, the side that splint were kept away from to the slipmat offsets with the piston rod outer wall.

Preferably, the clamping mechanism comprises a cavity arranged in the mounting plate, two clamping plates which are arranged oppositely are arranged in the cavity, openings corresponding to the clamping plates are formed in the top of the cavity, two second springs are connected between the clamping plates, and clamping grooves corresponding to the clamping plates are formed in the sealing plate.

Preferably, a sliding rod is fixedly connected in the cavity, and a sliding opening corresponding to the sliding rod is formed in the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the connecting mechanism, the T-shaped pull rod is attracted by the magnet by pulling, the limiting block on the moving plate can be pulled out of the limiting groove at the moment, and the sealing plate can be taken down at the moment, so that the piston and the oil seal in the cylinder body can be cleaned and maintained conveniently;

2. through the cooperation that sets up anti-retraction mechanism and block mechanism, through pressing two cardboards, make the cardboard to shrink inwards, can inject the cardboard into the draw-in groove this moment, then loosen the cardboard, because the elastic action of second spring can drive two cardboards and reply original position, thereby joint that can be firm is in the draw-in groove, thereby can install the mounting panel on the closing plate, this moment through rotating fastening bolt, fastening bolt rotates and drives the movable block removal, the movable block removal drives the splint removal, thereby splint removal can be spacing to the piston rod, thereby make the difficult back that contracts of piston rod, thereby unexpected emergence has been avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of the anti-retraction mechanism of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure, the cylinder body 1, the piston 2, the piston 3, the piston rod 4, the sealing plate 5, the connecting plate 6, the oil seal 7, the bump 8, the fixed frame 9, the T-shaped pull rod 10, the th spring 11, the moving plate 12, the limiting block 13, the magnet 14, the mounting plate 15, the circular ring 16, the fastening bolt 17, the moving block 18, the clamping plate 19, the sliding rod 20, the clamping plate 21 and the second spring are arranged.

Detailed Description

The technical solution 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 , but not all embodiments.

Please refer to fig. 1-4, the utility model provides a technical scheme is an air spring for an automobile, including the air spring body that comprises cylinder body 1, piston 2 and piston rod 3, piston 2 and the sliding seal connection of cylinder body 1 inner wall, piston rod 3 fixed connection is at the downside of piston 2, the movable sleeve is equipped with oil blanket 6 on the piston rod 3, the downside of cylinder body 1 is equipped with closing plate 4, set up the through-hole that corresponds with piston rod 3 on the closing plate 4, the upside of closing plate 4 is connected with cylinder body 1 lateral wall through two symmetrical coupling mechanism that set up, coupling mechanism includes lug 7 fixedly connected on closing plate 4, the recess that corresponds with lug 7 is seted up to cylinder body 1 downside, fixedly connected with connecting plate 5 on closing plate 4, connecting plate 5 is close to the side fixedly connected with mount 8 of cylinder body 1, the inner wall of mount 8 is connected with T type pull rod 9 through two symmetrical spring 10 that set up, the tip of T type pull rod 9 runs through mount 8 lateral wall and fixedly connected with movable plate 11, side fixedly connected with four stopper 12 of horizontal arrangement of fixed connection that side of T type pull rod 9 side fixedly connected with, thereby the stopper 12 is convenient for the pulling the piston rod is drawn out the stopper 2 and magnet on the piston rod is kept away from cylinder body 1 and is drawn from the inside the stopper 12 and is convenient for maintenance of piston 2 and is drawn the stopper 12.

The cover is equipped with ring 15 on piston rod 3, be equipped with the anti-retraction mechanism who corresponds with piston rod 3 in the ring 15, anti-retraction mechanism is including the fastening bolt 16 that is located two symmetries settings of both sides around ring 15, set up the activity mouth that corresponds with fastening bolt 16 on the ring 15, fastening bolt 16's tip runs through the activity mouth and threaded connection has the movable block 17, end that fastening bolt 16 was kept away from to movable block 17 runs through activity mouth and fixedly connected with splint 18, side fixedly connected with slipmat that fastening bolt 16 was kept away from to splint 18, the slipmat is kept away from side of splint 18 and is supported with 3 outer walls of piston rod, through rotating fastening bolt 16, fastening bolt 16 rotates and drives movable block 17 and removes, movable block 17 removes and drives splint 18 and removes, splint 18 removes thereby can carry on spacingly to piston rod 3, thereby make piston rod 3 difficult retraction, thereby unexpected emergence has been avoided.

side fixedly connected with mounting panel 14 of ring 15, mounting panel 14 passes through block mechanism and is connected with closing plate 4 downside, block mechanism is including seting up the cavity in mounting panel 14, be equipped with the cardboard 20 of two relative settings in the cavity, the opening that corresponds with cardboard 20 is seted up at the cavity top, be connected with two second springs 21 between two cardboard 20, the draw-in groove that corresponds with cardboard 20 has been seted up on the closing plate 4, fixedly connected with slide bar 19 in the cavity, set up the sliding opening that corresponds with slide bar 19 on the cardboard 20, through pressing two cardboard 20, make cardboard 20 inwards shrink, can inject cardboard 20 into the draw-in groove this moment, then loosen cardboard 20, because the elastic action of second spring 21 can drive two cardboard 20 and reply original position, thereby can firm joint in the draw-in groove, thereby can install mounting panel 14 on closing plate 4.

The working principle is that the T-shaped pull rod 9 is pulled to be attracted by the magnet 13, the limit block 12 on the movable plate 11 can be drawn out from the limit groove at the moment, the sealing plate 4 can be taken down at the moment, so that the piston 2 and the oil seal 6 in the cylinder body 1 can be cleaned and maintained conveniently, after maintenance is completed, the lug 7 on the sealing plate 4 can be clamped into the groove by covering the sealing plate 4, then the T-shaped pull rod 9 is separated from the magnet 13, at the moment, the T-shaped pull rod 9 can drive the limit block 12 on the movable plate 11 to be clamped into the limit groove due to the elastic action of the spring 10, so that the cylinder body 1 can be sealed, the two clamping plates 20 are pressed, so that the clamping plates 20 are retracted inwards, at the moment, the clamping plates 20 can be inserted into the clamping grooves, then the clamping plates 20 are loosened, the clamping plates 20 can be firmly clamped into the clamping grooves due to the elastic action of the second spring 21, the mounting plates 14 can be mounted on the sealing plate 4, at the moment, the fastening bolt 16 is rotated to drive the movable block 17 to move, the movable clamp plate 18, so that the piston rod can move, and the piston rod can be moved, thereby, and the piston rod is.

It will thus be seen that the present invention is illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The automobile air spring comprises an air spring body consisting of a cylinder body (1), a piston (2) and a piston rod (3), and is characterized in that the piston (2) is connected with the inner wall of the cylinder body (1) in a sliding and sealing manner, the piston rod (3) is fixedly connected to the lower side of the piston (2), an oil seal (6) is movably sleeved on the piston rod (3), a sealing plate (4) is arranged on the lower side of the cylinder body (1), a through hole corresponding to the piston rod (3) is formed in the sealing plate (4), the upper side of the sealing plate (4) is connected with the side wall of the cylinder body (1) through two symmetrically-arranged connecting mechanisms, a circular ring (15) is sleeved on the piston rod (3), a retraction preventing mechanism corresponding to the piston rod (3) is arranged in the circular ring (15), a mounting plate (14) is fixedly connected to the side of the circular ring (15), and the mounting plate (14) is connected with the.

2. The gas spring for the automobile as recited in claim 1, wherein the connecting mechanism comprises a bump (7) fixedly connected to a sealing plate (4), a groove corresponding to the bump (7) is formed in the lower side of the cylinder body (1), a connecting plate (5) is fixedly connected to the sealing plate (4), a fixed frame (8) is fixedly connected to the side of the connecting plate (5) close to the cylinder body (1), a T-shaped pull rod (9) is connected to the inner wall of the fixed frame (8) through two springs (10) which are symmetrically arranged, the end of the T-shaped pull rod (9) penetrates through the side wall of the fixed frame (8) and is fixedly connected with a moving plate (11), four limit blocks (12) which are horizontally arranged at equal intervals are fixedly connected to the side of the moving plate (11) far away from the T-shaped pull rod (9), and limit grooves corresponding to the limit blocks (12) are formed in.

3. The gas spring for the automobile as recited in claim 2, wherein a magnet (13) is fixedly connected to the connecting plate (5) at a side close to the T-shaped pull rod (9), and the T-shaped pull rod (9) is made of iron.

4. The gas spring for the automobile as recited in claim 1, wherein the retraction prevention mechanism comprises two symmetrically arranged fastening bolts (16) positioned on the front side and the rear side of the circular ring (15), a movable opening corresponding to the fastening bolts (16) is formed in the circular ring (15), the end portion of each fastening bolt (16) penetrates through the corresponding movable opening and is in threaded connection with a movable block (17), the end, far away from the fastening bolts (16), of each movable block (17) penetrates through the corresponding movable opening and is fixedly connected with a clamping plate (18), the side, far away from the fastening bolts (16), of each clamping plate (18) is fixedly connected with a non-slip mat, and the side, far away from the clamping plate (18), of the non-slip mat abuts against the outer wall of the piston rod (3).

5. The gas spring for automobiles according to claim 1, characterized in that: the clamping mechanism comprises a cavity arranged in the mounting plate (14), two clamping plates (20) which are arranged oppositely are arranged in the cavity, openings corresponding to the clamping plates (20) are formed in the top of the cavity, two second springs (21) are connected between the clamping plates (20), and clamping grooves corresponding to the clamping plates (20) are formed in the sealing plate (4).

6. The gas spring for automobiles according to claim 5, characterized in that: a sliding rod (19) is fixedly connected in the cavity, and a sliding opening corresponding to the sliding rod (19) is formed in the clamping plate (20).