CN217271602U

CN217271602U - Easily-detachable air bag type double-cylinder shock absorber

Info

Publication number: CN217271602U
Application number: CN202123066801.2U
Authority: CN
Inventors: 岑慎洪; 胡胜达; 杨国飞
Original assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Current assignee: ZHEJIANG WENDA SHOCK ABSORBER CO Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-08-23
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an easily detachable air bag type double-cylinder shock absorber, which relates to the technical field of shock absorbers, and comprises a shock absorption rod, a shock absorption cylinder and an air bag box, wherein the top of the air bag box is provided with a guide sleeve, a lower bearing rod penetrates through the guide sleeve, the upper end of the lower bearing rod is provided with the shock absorption cylinder, the top of the shock absorption cylinder is sleeved with the shock absorption rod, the bottom end of the shock absorption rod is positioned in the shock absorption cylinder, the bottom of the shock absorption rod is connected with the top of the lower bearing rod through a screw, the shock absorption cylinder is sleeved with a shock absorption spring, and the air bag box is internally sleeved with a piston; this novel double-cylinder bumper shock absorber utilizes the shock attenuation pole to drive down to hold the pole and move down, drives the piston and removes in buffering the storehouse, makes the buffering gasbag produce deformation under the effect of atmospheric pressure, because the buffering gasbag is made for the PP material, elasticity is high, and buffering effect is good, makes the buffering gasbag reset fast after producing deformation, drives the piston and upwards does the buffering action, and dual shock attenuation mode further improves the shock attenuation effect of shock absorber.

Description

Easily-detachable air bag type double-cylinder shock absorber

Technical Field

The utility model relates to a shock absorber technical field, in particular to quick detachable gasbag formula double-cylinder shock absorber.

Background

The double-cylinder shock absorber is used for inhibiting the shock of the spring when rebounding after absorbing shock and the impact from the road surface. The damping device is widely applied to automobiles and aims to accelerate the damping of the vibration of a frame and an automobile body so as to improve the driving smoothness of the automobile. When the road surface is uneven, although the shock-absorbing spring can filter the vibration of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

The prior double-cylinder shock absorber has the following defects: 1. the inconvenient installation of double-cylinder bumper shock absorber and dismantlement can not improve the shock attenuation effect of shock absorber through dual shock attenuation mode. Therefore, those skilled in the art provide an easily detachable air bag type dual-cylinder shock absorber to solve the problems in the background art mentioned above.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an easy detachable gasbag formula double-cylinder shock absorber to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an easy detachable gasbag formula double-cylinder shock absorber, includes shock attenuation pole, surge drum and gasbag box, the top of gasbag box is provided with and runs through in uide bushing and the uide bushing and have down the pole that holds, the upper end that holds the pole down is provided with the surge drum, the bottom that the top cover of surge drum was equipped with surge drum and shock attenuation pole is located the surge drum, the bottom of surge drum is connected through the screw with the top that holds the pole down, the surge drum endotheca is equipped with damping spring, the gasbag box endotheca is equipped with the piston, the lower extreme of piston has buffering gasbag through the mounting screw.

As a further aspect of the present invention: the bottom of damper cylinder is equipped with and stabilizes the lasso and the shock attenuation pole is located stable lasso with the junction of lower bearing rod.

As a further aspect of the present invention: the bottom both ends welding of gasbag box has the mounting panel, be provided with mounting bolt on the mounting panel.

As a further aspect of the present invention: the damping spring is sleeved outside the damping rod, the spring clamping sleeve is welded at the inner upper end of the damping spring, the damping spring is uniformly stressed outside the damping rod in a sleeved mode, and the damping effect is obvious.

As a further aspect of the present invention: the spring clamping sleeve is fixed on the shock-absorbing rod through a positioning screw.

As a further aspect of the present invention: the bottom of lower bolster is passed through the screw connection piston and buffer air bag and is the PP material and make, because buffer air bag is made for the PP material, elasticity is high, and buffering effect is good, makes buffer air bag produce and restores to the throne fast after the deformation, drives the piston and upwards does the buffering action.

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

1. when the shock-absorbing rod atress, because damping spring's upper end is spacing on the shock-absorbing rod, the shock-absorbing rod moves extrusion damping spring downwards, makes the shock-absorbing rod upwards do the buffering action under the effect of damping spring elasticity, the effectual effect of energy dissipation that plays.

2. Utilize the shock-absorbing rod to drive down the pole that holds to remove downwards, drive the piston and remove in buffering the storehouse, make the buffering gasbag produce deformation under the effect of atmospheric pressure, because the buffering gasbag is made for the PP material, elasticity is high, and buffering effect is good, makes the buffering gasbag produce and resets fast after deformation, drives the piston and upwards does the buffering action, and dual shock attenuation mode further improves the shock attenuation effect of shock absorber.

3. The double-cylinder shock absorber is convenient to mount and dismount, convenient to produce, capable of meeting various requirements in use and suitable for wide popularization and use.

Drawings

Fig. 1 is the overall structure schematic diagram of the utility model relates to a quick detachable gasbag formula double-cylinder shock absorber.

Fig. 2 is the schematic diagram of the internal structure of a shock tube of the easily detachable air bag type double-cylinder shock absorber.

Fig. 3 is the schematic diagram of the internal structure of the airbag box of the airbag type double-cylinder shock absorber of the present invention.

In the figure: 2. a shock-absorbing lever; 3. a damper cylinder; 5. stabilizing the ferrule; 6. a lower support rod; 7. a guide sleeve; 8. an airbag case; 9. installing a bolt; 10. mounting a plate; 11. a set screw; 12. a spring card sleeve; 13. a damping spring; 14. a piston; 15. a buffer air bag; 16. and a buffer bin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the present invention, an easily detachable air bag type double-cylinder shock absorber, including shock-absorbing rod 2, damper cylinder 3 and air bag box 8, the top of air bag box 8 is provided with guide sleeve 7 and has run through lower bearing rod 6 in the guide sleeve 7, the upper end of lower bearing rod 6 is provided with damper cylinder 3, the bottom that the top cover of damper cylinder 3 was equipped with damper rod 2 and damper rod 2 is located damper cylinder 3, the bottom of damper rod 2 is connected through the screw with the top of lower bearing rod 6, the damper cylinder 3 endotheca is equipped with damping spring 13, air bag box 8 endotheca is equipped with piston 14, there is buffer air bag 15 at the lower extreme of piston 14 through the mounting screw.

Wherein, the bottom end of the damping cylinder 3 is sleeved with a stable ferrule 5, and the joint of the damping rod 2 and the lower bearing rod 6 is positioned in the stable ferrule 5; the stable ferrule 5 is sleeved at the joint to prevent the joint from being damaged by shearing force.

Wherein, mounting plates 10 are welded at two ends of the bottom of the air bag box 8, and mounting bolts 9 are arranged on the mounting plates 10; the double-cylinder shock absorber is convenient to limit and fix by using the mounting bolt 9 on the mounting plate 10.

Wherein, the damping spring 13 is sleeved outside the damping rod 2, and the spring clamping sleeve 12 is welded at the inner upper end of the damping spring 13; the damping spring 13 is uniformly stressed by being sleeved on the outer side of the damping rod 2, and the damping effect is obvious.

Wherein, the spring cutting sleeve 12 is fixed on the shock-absorbing rod 2 through a positioning screw 11; the upper end of the damping spring 13 is conveniently limited on the damping rod 2.

Wherein the bottom of the lower support rod 6 is connected with a piston 14 through a screw, and the piston 14 and the buffer air bag 15 are both made of PP materials; because the buffering air bag 15 is made of PP material, the elasticity is high, the buffering effect is good, the buffering air bag 15 is quickly reset after being deformed, and the piston 14 is driven to upwards perform the buffering action.

The utility model discloses a theory of operation is: the double-cylinder shock absorber is convenient to limit and fix by using the mounting bolt 9 on the mounting plate 10, the shock absorber is prevented from shaking, the strength, the rigidity and the stability are improved, when the shock absorbing rod 2 is stressed, as the upper end of the shock absorbing spring 13 is limited on the shock absorbing rod 2, the shock absorbing rod 2 moves downwards to extrude the shock absorbing spring 13, the shock absorbing rod 2 is enabled to perform buffering action upwards under the action of the elastic force of the shock absorbing spring 13, the buffering and energy dissipation effects are effectively performed, the shock absorbing rod 2 is utilized to drive the lower bearing rod 6 to move downwards, the piston 14 is driven to move in the buffering bin 16, the buffering air bag 15 is enabled to deform under the action of air pressure, as the buffering air bag 15 is made of PP material, the elasticity is high, the buffering effect is good, the buffering air bag 15 is enabled to reset quickly after being deformed, the piston 14 is driven to perform buffering action upwards, the double-damping mode is adopted, the damping effect of the shock absorber is further improved, and the double-cylinder shock absorber is convenient to mount and dismount, convenient production, satisfies various requirements in use, and is suitable for wide popularization and use.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a quick detachable gasbag formula double-cylinder shock absorber, includes shock attenuation pole (2), surge drum (3) and gasbag box (8), its characterized in that: the utility model discloses a damping device, including gasbag box (8), the top of gasbag box (8) is provided with uide bushing (7) and passes through down and holds pole (6) in uide bushing (7), the upper end of holding pole (6) down is provided with damper cylinder (3), the top cover of damper cylinder (3) is equipped with the bottom of damper rod (2) and is located damper cylinder (3), the bottom of damper rod (2) is connected through the screw with the top of holding pole (6) down, damper cylinder (3) endotheca is equipped with damping spring (13), gasbag box (8) endotheca is equipped with piston (14), the lower extreme of piston (14) has buffering gasbag (15) through the mounting screw.

2. The easy-to-detach air bag type double-cylinder shock absorber according to claim 1, wherein: the bottom end of the shock absorption cylinder (3) is sleeved with a stable ferrule (5), and the joint of the shock absorption rod (2) and the lower bearing rod (6) is positioned in the stable ferrule (5).

3. The easy-to-detach air bag type double-cylinder shock absorber according to claim 1, wherein: the bottom both ends welding of gasbag box (8) has mounting panel (10), be provided with mounting bolt (9) on mounting panel (10).

4. The easy-to-detach air bag type double-cylinder shock absorber according to claim 1, wherein: damping spring (13) cover is established in the outside of shock attenuation pole (2), the welding of the interior upper end of damping spring (13) has spring card cover (12).

5. The easy-to-detach air bag type double-cylinder shock absorber according to claim 4, wherein: the spring clamping sleeve (12) is fixed on the shock absorption rod (2) through a positioning screw (11).

6. The easy-to-detach air bag type double-cylinder shock absorber according to claim 1, wherein: the bottom of the lower support rod (6) is connected with a piston (14) through a screw, and the piston (14) and the buffering air bag (15) are made of PP materials.