CN216242008U

CN216242008U - Oil damper with self-checking function

Info

Publication number: CN216242008U
Application number: CN202122929028.1U
Authority: CN
Inventors: 李向群; 徐佳炜
Original assignee: ZHIXING S&T Ltd
Current assignee: ZHIXING S&T Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-08
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses an oil damper with a self-checking function in the technical field of dampers, which comprises an outer shell and an inner shell, wherein the inner shell is arranged inside the outer shell, soundproof cotton is arranged between the inner shell and the outer shell, a piston rod is arranged inside the inner shell, a first spring is sleeved on the surface of the piston rod, a loop bar is arranged at one end of the piston rod, a guide rod is arranged inside the loop bar, a second spring is arranged at one end of the guide rod, the second spring is fixedly connected with the loop bar, the damper can play a role of sound insulation when in work by the sound insulation cotton, avoid sound pollution, strengthen the function of the damper, the first spring is arranged to improve the buffering effect of the damper, so that the damper can bear stronger impact force, when the piston rod is in the operation process, the guide function can be achieved, and therefore the accuracy of the damper is improved.

Description

Oil damper with self-checking function

Technical Field

The utility model belongs to the technical field of dampers, and particularly relates to an oil damper with a self-checking function.

Background

The damper is a device for providing resistance to movement and reducing movement energy. Various dampers (or shock absorbers) have been used for reducing vibration and energy in the industries of aerospace, aviation, war industry, firearms, automobiles and the like. Since the 70 s of the 20 th century, people gradually transferred the technologies to the structural engineering such as buildings, bridges, railways and the like, and the development of the technologies is very rapid. Especially, the hydraulic viscous damper with history of over fifty years is subjected to a great amount of experiments, strict examination and repeated demonstration before being accepted by the structural engineering world in the united states, especially a long process of earthquake examination.

The existing oil damper has the defects that the existing oil damper is partially defective, mostly does not have a sound insulation function, and has the noise to be emitted when in use, so that people's rest is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil damper with a self-checking function, which solves the problems that the existing oil damper in the background technology has partial defects, mostly has no sound insulation function, can generate noise when in use to influence the rest of people, has poor buffering effect and can not bear large impact force, and the use value of the damper is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: oil damper with self-checking function, including shell and inner shell, the inside of shell is equipped with the inner shell, be equipped with soundproof cotton between inner shell and the shell, the inside of inner shell is equipped with the piston rod, piston rod and inner shell are fixed through alternating, the surface cover of piston rod is equipped with first spring, the one end of piston rod is equipped with the loop bar, the inside of loop bar is equipped with the guide bar, guide bar and loop bar are fixed through alternating, the one end of guide bar is equipped with the second spring, second spring and loop bar fixed connection.

Preferably, one end of the shell is provided with a sealing cover, the sealing cover is fixedly connected with the shell, one end of the sealing cover is provided with a guide hole, and the guide hole is embedded in the surface of the sealing cover.

Preferably, one end of the piston rod is provided with a buffer cover, the buffer cover is fixedly connected with the piston rod, one side of the buffer cover is provided with four telescopic rods.

Preferably, the surface cover of telescopic link is equipped with the third spring, the one end of shell is equipped with the recess.

Preferably, one end of the piston rod is provided with a piston body, the piston body is fixedly connected with the piston rod, one side of the piston body is provided with a through hole, and the through hole is embedded in the surface of the piston body.

Preferably, the surface cover of piston body is equipped with the sealing washer, the sealing washer is equipped with two.

Preferably, the top of the shell is provided with an oil inlet, the bottom of the shell is provided with an oil outlet, and the oil outlet and the shell are fixed in a penetrating manner.

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

1. the damper can play a role of sound insulation when in work by the sound insulation cotton, avoid sound pollution, strengthen the function of the damper, the first spring is arranged to improve the buffering effect of the damper, so that the damper can bear stronger impact force, through the sleeve rod and the guide rod, the piston rod can play a role of guiding in the running process, thereby improving the accuracy of the damper, playing a role of buffering the loop bar through the second spring, thereby protecting the damper, prolonging the service life of the damper, solving the partial defects of the existing oil damper, mostly having no sound insulation function, when using, there is the noise to send, influences people's rest, and the most buffering effect of current oil damper is relatively poor, can not bear great impact force, has reduced the use value's of this attenuator problem.

2. Through the buffering lid that is equipped with, the buffer function of piston rod one end has been realized to effectual piston rod is protected, the life of piston rod has been improved, through the telescopic link that is equipped with, when the buffering lid is removing, it is flexible to drive the telescopic link, thereby cushion it, through piston body and the through-hole that is equipped with, at the during operation, the piston body removes in the inner shell is inside, hydraulic oil slowly flows from the inside of through-hole, thereby play damped effect to the piston body.

Drawings

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

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

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

FIG. 4 is a schematic view of the overall structure of the present invention;

fig. 5 is a schematic cross-sectional view of the guide bar of the present invention.

In the figure: 1. a housing; 2. an inner shell; 3. sound insulation cotton; 4. a piston rod; 5. a first spring; 6. a loop bar; 7. a guide bar; 8. a second spring; 9. a sealing cover; 10. a guide hole; 11. a buffer cover; 12. a telescopic rod; 13. a third spring; 14. a groove; 15. a piston body; 16. a through hole; 17. a seal ring; 18. an oil inlet; 19. and an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: oil damper with self-checking function, including shell 1 and inner shell 2, the inside of shell 1 is equipped with inner shell 2, be equipped with soundproof cotton 3 between inner shell 2 and the shell 1, the inside of inner shell 2 is equipped with piston rod 4, piston rod 4 and inner shell 2 are fixed through alternating, the surface cover of piston rod 4 is equipped with first spring 5, the one end of piston rod 4 is equipped with loop bar 6, the inside of loop bar 6 is equipped with guide bar 7, guide bar 7 and loop bar 6 are fixed through alternating, the one end of guide bar 7 is equipped with second spring 8,

second spring

8 and 6 fixed connection of loop bar.

In the embodiment, when the damper is used, the damper can play a sound insulation effect during working through the arranged soundproof cotton 3, so that sound pollution is avoided, the function of the damper is enhanced, the buffering effect of the damper is improved through the arranged first spring 5, so that the damper can bear stronger impact force, the sleeve rod 6 and the guide rod 7 can play a guiding function during the operation of the piston rod 4, so that the accuracy of the damper is improved, the sleeve rod 6 can play a buffering role through the arranged second spring 8, so that the damper is protected, the service life of the damper is prolonged, partial defects of the existing oil damper are overcome, most of the existing oil damper does not have the sound insulation function, when the damper is used, noise is emitted, so that people's rest is influenced, and the existing oil damper is poor in buffering effect, can not bear larger impact force, thus reducing the use value of the damper.

Specifically, one end of the shell 1 is provided with a sealing cover 9, the sealing cover 9 is fixedly connected with the shell 1, one end of the sealing cover 9 is provided with a guide hole 10, and the guide hole 10 is embedded in the surface of the sealing cover 9.

In the embodiment, the sealing cover 9 is arranged to seal one end of the inner shell 2, and the guide hole 10 is arranged to cooperate with the guide rod 7 to realize the guide function, so that the performance of the damper is improved.

Specifically, the one end of piston rod 4 is equipped with buffering lid 11, and buffering lid 11 and piston rod 4 fixed connection, one side of buffering lid 11 are equipped with telescopic link 12, and telescopic link 12 is equipped with four.

In this embodiment, through the buffering lid 11 that is equipped with, the buffer function of 4 one ends of piston rod has been realized to effectual piston rod 4 protects, has improved piston rod 4's life, through the telescopic link 12 that is equipped with, when buffering lid 11 is when removing, drives telescopic link 12 and stretches out and draws back, thereby cushions it.

Specifically, the surface of the telescopic rod 12 is sleeved with a third spring 13, and one end of the shell 1 is provided with a groove 14.

In this embodiment, through the third spring 13 that is equipped with, telescopic link 12 compresses third spring 13 when flexible, has improved the resistance when moving of telescopic link 12 to effectual buffering lid 11 is cushioned, through the recess 14 that is equipped with, has realized accomodating of buffering lid 11.

Specifically, one end of the piston rod 4 is provided with a piston body 15, the piston body 15 is fixedly connected with the piston rod 4, one side of the piston body 15 is provided with a through hole 16, and the through hole 16 is embedded on the surface of the piston body 15.

In this embodiment, through the piston body 15 and the through hole 16, when the piston is in operation, the piston body 15 moves inside the inner casing 2, and hydraulic oil slowly flows through the through hole 16, so as to damp the piston body 15.

Specifically, the surface of the piston body 15 is sleeved with two sealing rings 17, and the number of the sealing rings 17 is two.

In this embodiment, through the sealing washer 17 that is equipped with, improved the leakproofness between piston body 15 and the inner shell 2, avoid hydraulic oil to pass through from gap between them, influence the damping effect of attenuator.

Specifically, the top of the housing 1 is provided with an oil inlet 18, the bottom of the housing 1 is provided with an oil outlet 19, and the oil outlet 19 and the housing 1 are fixed through penetration.

In this embodiment, through the oil inlet 18 that is equipped with, realized the interpolation of hydraulic oil, through the oil-out 19 that is equipped with, realized the outflow of hydraulic oil to change for hydraulic oil provides convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Oil damper with self-checking function, including shell (1) and inner shell (2), its characterized in that: the utility model discloses a damping device, including shell (1), the inside of shell (1) is equipped with inner shell (2), be equipped with soundproof cotton (3) between inner shell (2) and shell (1), the inside of inner shell (2) is equipped with piston rod (4), piston rod (4) and inner shell (2) are fixed through interlude, the surface cover of piston rod (4) is equipped with first spring (5), the one end of piston rod (4) is equipped with loop bar (6), the inside of loop bar (6) is equipped with guide bar (7), guide bar (7) and loop bar (6) are fixed through interlude, the one end of guide bar (7) is equipped with second spring (8), second spring (8) and loop bar (6) fixed connection.

2. The oil damper with self-checking function according to claim 1, characterized in that: one end of the shell (1) is provided with a sealing cover (9), the sealing cover (9) is fixedly connected with the shell (1), one end of the sealing cover (9) is provided with a guide hole (10), and the guide hole (10) is embedded in the surface of the sealing cover (9).

3. The oil damper with self-checking function according to claim 1, characterized in that: the one end of piston rod (4) is equipped with buffering lid (11), buffering lid (11) and piston rod (4) fixed connection, one side of buffering lid (11) is equipped with telescopic link (12), telescopic link (12) are equipped with four.

4. The oil damper with self-checking function according to claim 3, characterized in that: the surface cover of telescopic link (12) is equipped with third spring (13), the one end of shell (1) is equipped with recess (14).

5. The oil damper with self-checking function according to claim 1, characterized in that: the piston is characterized in that a piston body (15) is arranged at one end of the piston rod (4), the piston body (15) is fixedly connected with the piston rod (4), a through hole (16) is formed in one side of the piston body (15), and the through hole (16) is embedded in the surface of the piston body (15).

6. The oil damper with self-checking function according to claim 5, characterized in that: the surface cover of piston body (15) is equipped with sealing washer (17), sealing washer (17) are equipped with two.

7. The oil damper with self-checking function according to claim 1, characterized in that: the oil-saving device is characterized in that an oil inlet (18) is formed in the top of the shell (1), an oil outlet (19) is formed in the bottom of the shell (1), and the oil outlet (19) and the shell (1) are fixed in a penetrating mode.