CN213598485U

CN213598485U - Reinforced shell of shock absorber

Info

Publication number: CN213598485U
Application number: CN202022339413.6U
Authority: CN
Inventors: 谢志卫
Original assignee: Wuxi Zhongya Absorber Co ltd
Current assignee: Wuxi Zhongya Absorber Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-02
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a strenghthened type shell of bumper shock absorber, including epitheca and inferior valve, the top of epitheca is provided with rubber sound insulation friction pad, and the top of going up rubber sound insulation friction pad is provided with the packing ring, and the top of packing ring is provided with the nut, the inferior valve sets up the bottom at the epitheca, the top surface of inferior valve is provided with the rubber circle, and the bottom of inferior valve is provided with down rubber sound insulation friction pad, the bottom of lower rubber sound insulation friction pad is provided with the ejector pin, and one side of ejector pin is provided with the rotary rod, the bottom of ejector pin is provided with the base, and the top both sides of base are provided with the fixing bolt hole, the inside of inferior valve is provided with the seat. This strenghthened type shell of bumper shock absorber is provided with the rubber circle, through installing the rubber circle at inferior valve top surface to reduce the friction that the epitheca produced with the inferior valve when by last to lower activity, avoid because the friction of epitheca makes the inferior valve produce and breaks, the phenomenon that leads to the shock attenuation effect of bumper shock absorber to descend.

Description

Reinforced shell of shock absorber

Technical Field

The utility model relates to a bumper shock absorber technical field specifically is a strenghthened type shell of bumper shock absorber.

Background

The damper is required to suppress the shock when the spring is rebounded after absorbing shock and the shock from the outside because the spring cannot be stabilized immediately, that is, after being compressed and released, it is extended and contracted for a certain period of time, and when the spring is subjected to the outside shock, although the shock-absorbing spring can filter the outside shock, the spring itself can still have a reciprocating motion.

The existing shock absorber on the market collides with the shell easily in the shock absorption process, so that the shell is cracked, the mechanical stability is influenced, and the service life of other parts is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strenghthened type shell of bumper shock absorber to the bumper shock absorber that provides in solving above-mentioned background art is carrying out the shock attenuation in-process, and damping device collides with the shell easily, thereby leads to the shell to take place cracked phenomenon, influences the stationarity that the car went and the problem of the life of other parts.

In order to achieve the above object, the utility model provides a following technical scheme: a reinforced shell of a shock absorber comprises an upper shell and a lower shell, wherein the top of the upper shell is provided with an upper rubber sound insulation friction pad, the top of the upper rubber sound insulation friction pad is provided with a gasket, the top of the gasket is provided with a nut, the lower shell is arranged at the bottom of the upper shell, the top surface of the lower shell is provided with a rubber ring, the bottom of the lower shell is provided with a lower rubber sound insulation friction pad, the bottom of the lower rubber sound insulation friction pad is provided with an ejector rod, one side of the ejector rod is provided with a rotary rod, the bottom of the ejector rod is provided with a base, two sides of the top of the base are provided with fixing bolt holes, the inner part of the lower shell is provided with an upper seat, the bottom of the upper seat is provided with a damping spring, the bottom of the damping spring is provided with a lower seat, the inner part of the damping spring is provided, the piston comprises a piston cylinder and is characterized in that a movable cavity is arranged in the piston cylinder, a piston head is arranged in the movable cavity, a buffer pad is arranged at the top of the piston head, and a sealing ring is arranged on the side surface of the piston head.

Preferably, the upper rubber sound insulation friction pad is connected with the upper shell through glue, the lower rubber sound insulation friction pad is connected with the lower shell through glue, the upper rubber sound insulation friction pad and the lower rubber sound insulation friction pad can play a sound insulation and anti-skidding role, and equipment is prevented from deviating due to vibration on the shock absorber.

Preferably, the recess has been seted up on the top surface of inferior valve, and the inferior valve passes through to constitute the block structure between recess and the rubber circle, and the rubber circle can play the effect that slows down the impact force, prevents that the bumper shock absorber from being by last when moving down, and the epitheca produces the impact to the inferior valve, makes the inferior valve receive the damage.

Preferably, the ejector rod forms a rotating structure through the rotating rod and the base, the ejector rod is movably connected with the base, the height of the ejector rod can be adjusted through rotating the rotating rod, and then the height of the shock absorber is adjusted.

Preferably, the upper shell and the upper seat are in welded connection, the lower shell and the lower seat are in welded connection, the upper seat forms a buffer structure through the damping springs and the lower seat, impact force is converted into elastic potential energy through the damping springs, and the damping effect is achieved.

Preferably, the piston head and the piston cylinder form a sliding structure through the movable rod, the piston head and the piston cylinder are movably connected, and when the movable rod slides upwards, the piston head and the piston cylinder cover can be prevented from being in direct rigid contact to play a buffering role by injecting a hydraulic liquid into the movable cavity.

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

1. this strenghthened type shell of bumper shock absorber is provided with the rubber circle, through installing the rubber circle at inferior valve top surface to reduce the friction that the epitheca produced with the inferior valve when by last to lower activity, avoid because the friction of epitheca makes the inferior valve produce and breaks, the phenomenon that leads to the shock attenuation effect of bumper shock absorber to descend.

2. The strenghthened type shell of this bumper shock absorber is provided with a piston cylinder to through installing the piston cylinder in the movable rod bottom, pour into a hydraulic fluid into in the activity intracavity, when the movable rod upwards slides, play the cushioning effect, avoid piston head and piston cylinder cover direct rigid contact, lead to the impaired phenomenon of piston head.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the damping spring structure of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

In the figure: 1. an upper shell; 2. mounting a rubber sound insulation friction pad; 3. a gasket; 4. a nut; 5. a lower case; 6. a rubber ring; 7. a lower rubber sound insulation friction pad; 8. a top rod; 9. rotating the rod; 10. a base; 11. fixing bolt holes; 12. an upper seat; 13. a damping spring; 14. a lower seat; 15. a movable rod; 16. a piston cylinder cover; 17. a piston cylinder; 18. a movable cavity; 19. a piston head; 20. a cushion pad; 21. and (5) sealing rings.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a reinforced shell of a shock absorber comprises an upper shell 1, an upper rubber sound insulation friction pad 2, a gasket 3, a nut 4, a lower shell 5, a rubber ring 6, a lower rubber sound insulation friction pad 7, a push rod 8, a rotating rod 9, a base 10, a fixing bolt hole 11, an upper seat 12, a damping spring 13, a lower seat 14, a movable rod 15, a piston cylinder cover 16, a piston cylinder 17, a movable cavity 18, a piston head 19, a buffer pad 20 and a sealing ring 21, wherein the top of the upper shell 1 is provided with the upper rubber sound insulation friction pad 2, the top of the upper rubber sound insulation friction pad 2 is provided with the gasket 3, the top of the gasket 3 is provided with the nut 4, the lower shell 5 is arranged at the bottom of the upper shell 1, the surface of the top of the lower shell 5 is provided with the rubber ring 6, the bottom of the lower shell 5 is provided with the lower rubber sound insulation friction pad 7, the upper rubber sound insulation friction pad 2 is connected with the upper shell 1 through, the top surface of the lower shell 5 is provided with a groove, the lower shell 5 forms a clamping structure with the rubber ring 6 through the groove, and the rubber ring 6 arranged on the top surface of the lower shell 5 is used for reducing the friction between the upper shell 1 and the lower shell 5 when the upper shell moves from top to bottom, so as to avoid the phenomenon that the lower shell 5 is broken due to the friction of the upper shell 1, and the damping effect of the shock absorber is reduced, the bottom of the lower rubber sound-insulation friction pad 7 is provided with a mandril 8, one side of the mandril 8 is provided with a rotary rod 9, the bottom of the mandril 8 is provided with a base 10, two sides of the top of the base 10 are provided with fixing bolt holes 11, the mandril 8 forms a rotating structure with the base 10 through the rotary rod 9, the mandril 8 is movably connected with the base 10, the inner part of the lower shell 5 is provided with an upper seat 12, a movable rod 15 is arranged in the damping spring 13, the upper shell 1 is welded with the upper seat 12, the lower shell 5 is welded with the lower seat 14, the upper seat 12 forms a buffer structure with the lower seat 14 through the damping spring 13, a piston cylinder cover 16 is arranged at the bottom of the movable rod 15, a piston cylinder 17 is arranged at the bottom of the piston cylinder cover 16, a movable cavity 18 is arranged in the piston cylinder 17, a piston head 19 is arranged in the movable cavity 18, the piston head 19 forms a sliding structure with the piston cylinder 17 through the movable rod 15, the piston head 19 is movably connected with the piston cylinder 17, a hydraulic liquid is injected into the movable cavity 18 through the piston cylinder 17 arranged at the bottom of the movable rod 15, the buffer effect is achieved when the movable rod 15 slides upwards, the phenomenon that the piston head 19 is damaged due to direct rigid contact between the piston head 19 and the piston cylinder cover 16 is avoided, and a buffer pad 20 is arranged at the top of the piston head 19, and the side of piston head 19 is provided with a sealing ring 21.

The working principle is as follows: the reinforced shell of the shock absorber has the use flow that firstly, when the equipment vibrates during working, the purpose of shock absorption can be achieved through the internal shock absorption spring 13, the rotary rod 9 can adjust the height of the lower shell 5 arranged on the rotary rod 9, the problem that the power equipment can incline and the level of the equipment cannot be ensured when the equipment is placed on a plurality of shock absorbers due to different sizes and shapes of the equipment is avoided, the height of the ejector rod 8 can be adjusted by rotating the rotary rod 9, and further the height of the shock absorber is adjusted, the structural design enables the height of the ejector rod 8 to be adjusted simply and conveniently, the top end of the upper shell 1 is provided with the upper rubber sound insulation friction pad 2, the bottom of the lower shell 5 is provided with the lower rubber sound insulation friction pad 7, the functions of sound insulation and skid resistance are achieved, the equipment is prevented from deviating on a shock absorption mechanism due to vibration, when the shock absorber is acted by downward force, damping spring 13 is compressed, and simultaneously movable rod 15 moves down, because injection has hydraulic fluid in the activity chamber 18 of piston head 19 below, the resistance that the density of liquid is big more produces is big more, piston head 19 receives the resistance slow downstream of liquid, damping spring 13 is compressed the back energy storage then kick-backs for upper seat 12 upward movement drives movable rod 15 simultaneously and upwards slides, piston damping device has played the cushioning effect equally, reaches better absorbing effect.

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 strenghthened type shell of bumper shock absorber, includes epitheca (1) and inferior valve (5), its characterized in that: the sound insulation rubber pad is characterized in that an upper rubber sound insulation friction pad (2) is arranged at the top of the upper shell (1), a gasket (3) is arranged at the top of the upper rubber sound insulation friction pad (2), a nut (4) is arranged at the top of the gasket (3), the lower shell (5) is arranged at the bottom of the upper shell (1), a rubber ring (6) is arranged on the surface of the top of the lower shell (5), a lower rubber sound insulation friction pad (7) is arranged at the bottom of the lower shell (5), an ejector rod (8) is arranged at the bottom of the lower rubber sound insulation friction pad (7), a rotating rod (9) is arranged on one side of the ejector rod (8), a base (10) is arranged at the bottom of the ejector rod (8), fixing bolt holes (11) are formed in two sides of the top of the base (10), an upper seat (12) is arranged inside the lower shell (5), damping spring (13)'s bottom is provided with lower seat (14), and damping spring (13)'s inside is provided with movable rod (15), the bottom of movable rod (15) is provided with piston cylinder cover (16), and the bottom of piston cylinder cover (16) is provided with piston cylinder (17), the inside of piston cylinder (17) is provided with movable chamber (18), and the inside in movable chamber (18) is provided with piston head (19), the top of piston head (19) is provided with blotter (20), and the side of piston head (19) is provided with sealing washer (21).

2. The reinforced housing of a shock absorber of claim 1, wherein: the upper rubber sound insulation friction pad (2) is connected with the upper shell (1) through glue, and the lower rubber sound insulation friction pad (7) is connected with the lower shell (5) through glue.

3. The reinforced housing of a shock absorber of claim 1, wherein: the top surface of inferior valve (5) is seted up flutedly, and just inferior valve (5) pass through to constitute the block structure between recess and rubber circle (6).

4. The reinforced housing of a shock absorber of claim 1, wherein: the ejector rod (8) forms a rotating structure with the base (10) through the rotating rod (9), and the ejector rod (8) is movably connected with the base (10).

5. The reinforced housing of a shock absorber of claim 1, wherein: the upper shell (1) is in welded connection with the upper seat (12), the lower shell (5) is in welded connection with the lower seat (14), and the upper seat (12) forms a buffering structure with the lower seat (14) through the damping spring (13).

6. The reinforced housing of a shock absorber of claim 1, wherein: the piston head (19) and the piston cylinder (17) form a sliding structure through the movable rod (15), and the piston head (19) is movably connected with the piston cylinder (17).