CN213176621U

CN213176621U - Viscous damping shock absorber with automatic reset function

Info

Publication number: CN213176621U
Application number: CN202022032561.3U
Authority: CN
Inventors: 舒岳林
Original assignee: Jiangsu Long Domain Power Technology Co ltd
Current assignee: Jiangsu Long Domain Power Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-11
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a take viscous damping bumper shock absorber of automatic re-setting function relates to the relevant technical field of mechanical equipment. The utility model discloses a stop iron, first loose axle, first casing, third piston and second spring, fixed stop iron of first spring coupling and first casing, first casing is inserted in first loose axle activity, fixed first piston and the third piston of being equipped with on the first loose axle, the fixed rubber lasso that is equipped with on the third piston week side, the second spring is equipped with four buffer all around, buffer includes the second casing, second loose axle and second piston, second casing and first casing welded fastening, inside fixed connection's the second piston activity was inserted the second casing on the second loose axle, second spring and second loose axle and first piston welded fastening. The utility model discloses a set up first spring, second spring, buffer, third piston and rubber ring, solved viscous damping bumper shock absorber can not automatic re-setting and the not high problem of shock attenuation effect.

Description

Viscous damping shock absorber with automatic reset function

Technical Field

The utility model belongs to the technical field of mechanical equipment is relevant, especially, relate to a take viscous damping bumper shock absorber of automatic re-setting function.

Background

When mechanical equipment runs, some parts of the mechanical equipment can even perform different forms of mechanical movement, the viscous damping shock absorber is manufactured according to the principle that fluid movement, particularly when the fluid passes through a throttling hole, viscous resistance is generated, and the viscous damping shock absorber is widely applied to the fields of high-rise buildings, bridges, building structure seismic reconstruction, industrial pipeline equipment seismic resistance, military industry and the like, but the traditional viscous damping shock absorber has the following defects:

1. the traditional viscous damping shock absorber cannot automatically reset, the internal structure can be changed after the shock absorption effect is achieved, and the shock absorption effect in the next shock absorption process is greatly reduced or even cannot be achieved;

2. traditional viscous damping bumper shock absorber shock-absorbing effect is not high, and viscous damping bumper shock absorber inner structure need remove when the shock attenuation, produces the resistance through inner structure's relative motion and reaches the shock attenuation effect, and viscous damping bumper shock absorber's shock attenuation effect is not high to make it can not reach the anticipated effect at the shock attenuation in-process, will cause serious loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take viscous damping bumper shock absorber of automatic re-setting function, through setting up first spring, second spring, buffer, third piston and rubber ring, solved viscous damping bumper shock absorber can not automatic re-setting and the not high problem of shock attenuation effect.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a viscous damping shock absorber with automatic reset function, which comprises a stop iron, a first movable shaft, a first shell, a third piston and a second spring, wherein the center of one side of the stop iron is welded and fixed with the first movable shaft, the first spring is welded and fixed on the stop iron at the peripheral side of the first movable shaft, one end of the first spring, which is far away from the stop iron, is welded and fixed with the first shell, a first oil cavity is arranged in the first shell, the first movable shaft is movably inserted into the first shell, the first movable shaft is fixedly provided with the first piston and the third piston, the first piston and the third piston are movably connected with the inner wall of the first shell, the peripheral side surface of the third piston is fixedly provided with a rubber ferrule, the center of one side of the first piston, which is far away from the third piston, is welded and fixed with one end of the second spring, the other end of the second spring is welded and fixed with the inner wall of one side of the first shell, which is far away from the first spring, first spring and second spring can reset it after viscous damping bumper shock absorber shock attenuation, the second spring is fixed all around and is equipped with four buffer, buffer includes second casing, second loose axle and second piston, second casing and first shells inner wall welded fastening, one side welded fastening that the third piston was kept away from to the second loose axle and first piston, the second oil pocket has been seted up to second casing inside, the second loose axle activity is inserted inside the second casing, the one end fixedly connected with second piston that the first piston was kept away from to the second loose axle provides the resistance when the spring resets, plays the cushioning effect.

Furthermore, welded fastening has the connector on the one side that first spring was kept away from to the buting iron and first casing, set up the hinge mouth on the connector, the connector is convenient for install viscous damping bumper shock absorber with the hinge mouth.

Further, the inner wall of the first shell is coated with water-based damping paint, the radius of the first shell is equal to that of the stop iron, the radius of the first shell is larger than the outer diameter of the first spring, the inner diameter of the first spring is larger than that of the first movable shaft, and the first spring is not in contact with the first movable shaft, so that friction is prevented from being generated.

Further, the radius of the second piston is smaller than that of the second oil chamber, the length of the second movable shaft is smaller than that of the second oil chamber, and the second movable shaft controls the second piston to move in the second oil chamber.

Further, the diameter of the spring wire of the first spring is larger than that of the spring wire of the second spring, the number of effective turns of the first spring is smaller than that of the effective turns of the second spring, and the first spring and the second spring use elasticity to reset the internal structure of the viscous damping shock absorber.

Furthermore, the third piston is movably connected with the first shell through a rubber ferrule, throttle holes are formed in the first piston and the third piston, and the rubber ferrule increases friction resistance.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up first spring, second spring and buffer, solved the problem that viscous damping bumper shock absorber can not automatic re-setting, the elasticity through first spring and second spring resets to the bumper shock absorber behind the viscous damping bumper shock absorber play the cushioning effect, and buffer provides the resistance when first spring and second spring reset, makes first spring and second spring carry out useful the reseing to the viscous damping bumper shock absorber.

2. The utility model discloses a set up third piston and rubber ring, solved the not high problem of viscous damping bumper shock absorber shock attenuation effect, seted up the orifice on the epaxial third piston of first loose axle, the resistance of the first loose axle motion of increase when the shock attenuation, the rubber ring on the third piston increases the frictional resistance between third piston and the first casing, has improved the shock attenuation effect of viscous damping bumper shock absorber.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

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

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

FIG. 4 is a schematic view of the buffering device of the present invention;

fig. 5 is a schematic structural view of a third piston of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

100. blocking iron; 101. a connector; 102. a first spring; 1011. hinging the interface; 200. a first movable shaft; 201. a first piston; 202. a buffer device; 2011. an orifice; 2021. a second housing; 2022. a second movable shaft; 2023. a second piston; 2024. a second oil chamber; 300. a first housing; 301. water-based damping paint; 400. a third piston; 401. a rubber ferrule; 500. a second spring; 600. the first oil chamber.

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

Referring to fig. 1-5, the present invention relates to a viscous damping shock absorber with automatic reset function, comprising a stop iron 100, a first movable shaft 200, a first housing 300, a third piston 400 and a second spring 500, wherein the first movable shaft 200 is welded and fixed at the center of one side of the stop iron 100, the first movable shaft 200 can move in the first housing 300, the first spring 102 is welded and fixed on the stop iron 100 around the first movable shaft 200, the first spring 102 improves elastic resistance during shock absorption, enhances shock absorption performance, after shock absorption, the structure inside the viscous damping shock absorber is reset by the elastic force generated after compression, the first housing 300 is welded and fixed at one end of the first spring 102 far from the stop iron 100, the first housing 300 protects the internal structure, the first housing 300 is provided with a first oil cavity 600, the first oil cavity 600 is filled with damping fluid, the first movable shaft 200 is movably inserted into the first housing 300, the first movable shaft 200 is fixedly provided with a first piston 201 and a third piston 400, the first movable shaft 200 drives the first piston 201 and the third piston 400 to move in a first oil chamber 600 to generate resistance and play a role of shock absorption, the first piston 201 and the third piston 400 are movably connected with the inner wall of the first shell 300, the peripheral side surface of the third piston 400 is fixedly provided with a rubber ferrule 401, the rubber ferrule 401 increases the friction resistance between the third piston 400 and the first shell 300 so as to increase the beneficial resistance passed by the third piston 400 during shock absorption, the center of one side of the first piston 201 far away from the third piston 400 is welded and fixed with one end of the second spring 500, the second spring 500 increases the resistance of the movement of the first piston 201 during shock absorption, after shock absorption, the structure in the viscous damping shock absorber is reset through the elasticity generated after compression, the other end of the second spring 500 is welded and fixed with the inner wall of one side of the first shell 300 far away from the first spring 102, four buffering devices 202 are fixedly arranged around the second spring 500, the buffering devices 202 have a buffering effect when the first spring 102 and the second spring 500 reset the viscous damping shock absorber, each buffering device 202 comprises a second housing 2021, a second movable shaft 2022 and a second piston 2023, the second housing 2021 is welded and fixed to the inner wall of the first housing 300, the second movable shaft 2022 is welded and fixed to one side of the first piston 201 far away from the third piston 400, a second oil chamber 2024 is formed inside the second housing 2021, the second movable shaft 2022 is movably inserted into the second housing 2021, one end of the second movable shaft 2022 far away from the first piston 201 is fixedly connected with the second piston 2023, the second oil chamber 2024 is communicated with the first oil chamber 600, the first piston 201 drives the second movable shaft 2022 to move, and when the second movable shaft 2022 moves, the damping fluid in the second oil chamber 2024 generates resistance to the second piston 2023 on the second movable shaft 2022, thereby achieving a damping effect.

As shown in fig. 2, a connector 101 is welded and fixed on one side of the stop iron 100 away from the first spring 102 and one side of the first housing 300 away from the first spring 102, a hinge port 1011 is formed on the connector 101, the connector 101 can facilitate the connection of the viscous damping shock absorber and an object needing shock absorption, and the hinge port 1011 facilitates the installation and fixation of the viscous damping shock absorber.

As shown in fig. 1, 3 and 4, the inner wall of the first casing 300 is coated with a water-based damping paint 301, the radius of the first casing 300 is equal to the radius of the stop iron 100, the radius of the first casing 300 is greater than the outer diameter of the first spring 102, the inner diameter of the first spring 102 is greater than the radius of the first movable shaft 200, the water-based damping paint 301 is an environment-friendly paint which can play a role of vibration and noise reduction, the environment-friendly paint is coated on the inner wall of the viscous damping shock absorber to improve the shock absorbing performance of the viscous damping shock absorber, the radius of the second piston 2023 is less than the radius of the second oil chamber 2024, the length of the second movable shaft 2022 is less than the length of the second oil chamber 2024, the second piston 2023 does not touch the bottom of the second oil chamber 2024 during operation to prevent the normal operation of the buffer 202 from being affected, the diameter of the spring wire of the first spring 102 is greater than the diameter of the spring wire of the, the first spring 102 is less deformed than the second spring 500 during the shock absorption and restoration processes, preventing the first spring 102 from being damaged.

As shown in fig. 5, the third piston 400 is movably connected to the first housing 300 through a rubber collar 401, an orifice 2011 is opened on the first piston 201 and the third piston 400, and the orifice 2011 controls the flow of the damping fluid in the first oil chamber 600 during the damping and resetting processes of the viscous damping shock absorber to generate resistance, so that the viscous damping shock absorber performs damping and resetting.

The working principle is as follows: the connector 101 connects the viscous damping shock absorber with an object needing shock absorption, the hinge port 1011 on the connector 101 is used for installing and fixing the viscous damping shock absorber, in the shock absorption process, the stop iron 100 is stressed to compress the first spring 102, the first movable shaft 200 drives the first piston 201 and the third piston 400 to move in the same direction, the first piston 201 compresses the second spring 500 and the buffer device 202, the damping fluid in the first oil cavity 600 generates viscous resistance through the throttle holes 2011 on the first piston 201 and the third piston 400, the rubber collar 401 on the peripheral side of the third piston 400 increases the viscous resistance to improve the shock absorption performance, when the viscous damping shock absorber automatically resets, the first spring 102 and the second spring 500 generate resilience due to compression in the shock absorption process, the stop iron 100 is reset by the elastic force of the first spring 102, the first piston 201 is reset by the elastic force of the second spring 500 to drive the first movable shaft 200 to reset, in the process of damping and resetting the viscous damping shock absorber, the first piston 201 drives the second movable shaft 2022 to move, and the second movable shaft 2022 drives the second piston 2023 to move to extrude the damping fluid in the second oil chamber 2024 to generate resistance, so that the damping effect is achieved, and the vibration amplitude of the spring is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a take viscous damping bumper shock absorber of automatic re-setting function, includes stop iron (100), first loose axle (200), first casing (300), third piston (400) and second spring (500), its characterized in that: the brake shoe is characterized in that a first movable shaft (200) is welded and fixed at the center of one side of the brake shoe (100), a first spring (102) is welded and fixed on the brake shoe (100) at the peripheral side of the first movable shaft (200), a first shell (300) is welded and fixed at one end, away from the brake shoe (100), of the first spring (102), a first oil cavity (600) is formed inside the first shell (300), the first movable shaft (200) is movably inserted into the first shell (300), a first piston (201) and a third piston (400) are fixedly arranged on the first movable shaft (200), the first piston (201) and the third piston (400) are movably connected with the inner wall of the first shell (300), a rubber ferrule (401) is fixedly arranged on the peripheral side face of the third piston (400), the center, away from one side of the third piston (400), of the first piston (201) is welded and fixed with one end of a second spring (500), the other end of the second spring (500) is welded and fixed with the inner wall of one side of the first shell (300) far away from the first spring (102), four buffering devices (202) are fixedly arranged on the periphery of the second spring (500), each buffering device (202) comprises a second shell (2021), a second movable shaft (2022) and a second piston (2023), the second shell (2021) is welded and fixed with the inner wall of the first shell (300), the second movable shaft (2022) is welded and fixed with one side, far away from the third piston (400), of the first piston (201), a second oil cavity (2024) is formed in the second shell (2021), the second movable shaft (2022) is movably inserted into the second shell (2021), and one end, far away from the first piston (201), of the second movable shaft (2022) is fixedly connected with the second piston (2023).

2. The viscous damping shock absorber with the automatic reset function as claimed in claim 1, wherein a connector (101) is fixedly welded on one side of the stop iron (100) far away from the first spring (102) and one side of the first shell (300) far away from the first spring (102), and a hinge joint (1011) is formed on the connector (101).

3. The viscous damping shock absorber with the automatic reset function as claimed in claim 1, wherein the inner wall of the first housing (300) is coated with water-based damping paint (301), the radius of the first housing (300) is equal to the radius of the stop iron (100), the radius of the first housing (300) is greater than the outer diameter of the first spring (102), and the inner diameter of the first spring (102) is greater than the radius of the first movable shaft (200).

4. The viscous damping shock absorber with the automatic return function as claimed in claim 1, wherein a radius of the second piston (2023) is smaller than a radius of the second oil chamber (2024), and a length of the second movable shaft (2022) is smaller than a length of the second oil chamber (2024).

5. The viscous damping shock absorber with automatic reset function as claimed in claim 1, characterized in that the wire diameter of the first spring (102) is larger than that of the second spring (500), and the effective number of turns of the first spring (102) is less than that of the second spring (500).

6. The viscous damping shock absorber with the automatic resetting function as claimed in claim 1, wherein the third piston (400) is movably connected with the first housing (300) through a rubber ferrule (401), and the first piston (201) and the third piston (400) are provided with a throttling hole (2011).