CN218294299U

CN218294299U - Automobile noise reduction shock absorber

Info

Publication number: CN218294299U
Application number: CN202222682111.8U
Authority: CN
Inventors: 雷博凯
Original assignee: Changchun Huaxin Sealing Products Co ltd
Current assignee: Changchun Huaxin Sealing Products Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-13
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a bumper shock absorber for making an uproar falls in car, including sealed hydro-cylinder, sealed hydro-cylinder's interior diapire fixedly connected with damping sleeve, damping sleeve's inner wall sliding connection has the piston rod, and the outer fixed surface of piston rod is connected with spacing dish, and damping sleeve's outer fixed surface is connected with the fixed disk, and the last fixed surface of fixed disk is connected with damping spring, and damping spring's top fixed connection is at the lower surface of spacing dish, and sealed hydro-cylinder's surface cover is equipped with and falls the cover of making an uproar, falls the inside of the cover of making an uproar and has seted up and fall the chamber of making an uproar. This automobile is fallen and is used bumper shock absorber that makes an uproar through setting up sealed hydro-cylinder, shock attenuation sleeve, piston rod, spacing dish, fixed disk, damping spring and buffer spring, enables whole bumper shock absorber and has good absorbing effect at the in-process that uses, falls the noise cover, fall the noise chamber, inhale the sound hole and fall the cotton of making an uproar through setting up, the propagation of the noise reduction of being convenient for to make whole bumper shock absorber have the effect of making an uproar of well falling.

Description

Automobile noise reduction shock absorber

Technical Field

The utility model relates to an automobile shock absorber ware technical field specifically is an automobile is fallen and is used bumper shock absorber.

Background

In order to quickly attenuate the vibration of a frame and a vehicle body and improve the smoothness and the comfort of the running of an automobile, a shock absorber is generally arranged on an automobile suspension system, the shock absorber is a vulnerable accessory in the using process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts, so that the shock absorber is always in a good working state.

In the process that the car went, the bumper shock absorber can be in operating condition always, leads to the piston rod in the bumper shock absorber to be in the motion state for a long time, and the piston rod under the motion state can produce than great noise, influences the silence effect of car, leads to the travelling comfort of car to reduce.

The utility model provides a car falls and uses bumper shock absorber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car is fallen and is used bumper shock absorber to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bumper shock absorber for making an uproar falls in car, including sealed hydro-cylinder, the inner diapire fixedly connected with damping sleeve of sealed hydro-cylinder, damping sleeve's inner wall sliding connection has the piston rod, the outer fixed surface of piston rod is connected with spacing dish, damping sleeve's outer fixed surface is connected with the fixed disk, the last fixed surface of fixed disk is connected with damping spring, damping spring's top fixed connection is at the lower surface of spacing dish, the surface cover of sealed hydro-cylinder is equipped with and falls the cover of making an uproar, fall the inside of the cover of making an uproar and seted up the chamber of making an uproar that falls, and fall the inside of the cover of making an uproar and set up the sound hole of inhaling that a plurality of extends to the intracavity lateral wall of making an uproar that falls.

Preferably, the outer surface of the piston rod is fixedly connected with limiting bulges, the inner wall of the damping sleeve is provided with limiting sliding grooves matched with the limiting bulges, and the number of the limiting bulges is four.

Preferably, the bottom end of the piston rod is fixedly connected with a buffer spring, and the bottom end of the buffer spring is fixedly connected to the inner bottom wall of the damping sleeve.

Preferably, the noise reduction cavity is filled with noise reduction cotton, the sound absorption holes are horn-shaped, and the sealed oil cylinder is filled with hydraulic oil.

Preferably, the outer surfaces of the noise reduction sleeve and the sealing oil cylinder are provided with fixing threaded holes, and the inner walls of the fixing threaded holes are in threaded connection with fixing bolts.

Preferably, the lower surface of the sealed oil cylinder is fixedly connected with a lower mounting rod, and the top end of the piston rod extends out of the upper surface of the sealed oil cylinder through the sealed linear bearing and is fixedly connected with an upper mounting rod.

Advantageous effects

The utility model provides a car is fallen and is used bumper shock absorber possesses following beneficial effect:

1. this automobile is fallen and is used bumper shock absorber, through setting up sealed hydro-cylinder, shock attenuation sleeve, piston rod, spacing dish, fixed disk, damping spring and buffer spring, enable whole bumper shock absorber and have good absorbing effect at the in-process that uses, through setting up the cover of making an uproar, fall the noise chamber, inhale the sound hole and fall the cotton of making an uproar, the propagation of the noise reduction of being convenient for to make whole bumper shock absorber have the effect of making an uproar of well falling.

2. This automobile is fallen and is used bumper shock absorber of making an uproar through setting up fixing bolt and fixed screw hole, is convenient for will fall the cover of making an uproar and fix the surface at sealed hydro-cylinder, through setting up spacing arch and spacing spout, makes the piston rod carry out spacing slip in shock attenuation sleeve.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the damping sleeve of the present invention.

In the figure: the damping device comprises a sealing oil cylinder 1, a damping sleeve 2, a piston rod 3, a limiting disc 4, a fixing disc 5, a damping spring 6, a noise reduction sleeve 7, a noise reduction cavity 8, a sound absorption hole 9, a limiting bulge 10, a buffering spring 11, a fixing bolt 12, a lower mounting rod 13 and an upper mounting rod 14.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a bumper shock absorber for making an uproar falls in car, is including sealed hydro-cylinder 1, and the interior diapire fixedly connected with damping sleeve 2 of sealed hydro-cylinder 1, and damping sleeve 2's inner wall sliding connection has piston rod 3, and installation pole 13 is down connected with to the lower fixed surface of sealed hydro-cylinder 1, and installation pole 14 is gone up to the top of piston rod 3 through sealed linear bearing extension sealed hydro-cylinder 1's upper surface and fixedly connected with.

The outer fixed surface of piston rod 3 is connected with spacing arch 10, and the inner wall of damping sleeve 2 set up with the spacing spout of spacing arch 10 looks adaptation, and the quantity of spacing arch 10 is four, the bottom fixedly connected with buffer spring 11 of piston rod 3, and buffer spring 11's bottom fixed connection is at the interior diapire of damping sleeve 2.

Outer fixed surface of piston rod 3 is connected with spacing dish 4, damping sleeve 2's outer fixed surface is connected with fixed disk 5, the last fixed surface of fixed disk 5 is connected with damping spring 6, damping spring 6's top fixed connection is at the lower surface of spacing dish 4, the outer surface cover of sealed hydro-cylinder 1 is equipped with the cover 7 of making an uproar, the cover 7 of making an uproar and sealed hydro-cylinder 1's surface of making an uproar all sets up fixed screw hole, and fixed screw hole's inner wall threaded connection has fixing bolt 12, through setting up fixing bolt 12 and fixed screw hole, be convenient for will make an uproar and cover 7 of making an uproar and fix the surface at sealed hydro-cylinder 1, through setting up spacing arch 10 and spacing spout, make piston rod 3 carry out spacing slip in damping sleeve 2.

Make an uproar the inside of falling cover 7 and seted up and fall the chamber 8 of making an uproar, and fall the inside of falling cover 7 and set up a plurality of and extend to the sound hole 9 of inhaling that falls the 8 inside walls in chamber of making an uproar, the inside packing that falls the chamber 8 of making an uproar has the cotton of making an uproar, a plurality of inhales the sound hole 9 and all is the loudspeaker form, the inside packing of sealed hydro-cylinder 1 has hydraulic oil, through setting up sealed hydro-cylinder 1, damping sleeve 2, piston rod 3, spacing dish 4, the fixed disk 5, damping spring 6 and buffer spring 11, it has good absorbing effect to enable whole bumper shock absorber at the in-process that uses, through setting up the cover 7 of making an uproar, fall the chamber 8 of making an uproar, inhale the sound hole 9 and fall the cotton of making an uproar, the propagation of the noise of being convenient to make whole bumper shock absorber have the effect of making an uproar of well falling.

The working principle is as follows: when this automobile is used to make an uproar and is used bumper shock absorber, utilize fixing bolt 12 and fixed screw hole will fall and make an uproar cover 7 and fix the surface at sealed hydro-cylinder 1, at the in-process of this bumper shock absorber work, utilize sealed hydro-cylinder 1, damping sleeve 2, piston rod 3, spacing dish 4, fixed disk 5, damping spring 6 and buffer spring 11 make whole bumper shock absorber have good absorbing effect at the in-process that uses, through falling the cover 7 of making an uproar, fall the chamber 8 of making an uproar, inhale sound hole 9 and fall the propagation of cotton noise reduction of making an uproar, thereby make whole bumper shock absorber have the effect of making an uproar of well falling.

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 car is fallen and is used bumper shock absorber, includes sealed hydro-cylinder (1), its characterized in that: inner diapire fixedly connected with shock sleeve (2) of sealed hydro-cylinder (1), the inner wall sliding connection of shock sleeve (2) has piston rod (3), the surface fixed connection of piston rod (3) has spacing dish (4), the surface fixed connection of shock sleeve (2) has fixed disk (5), the last surface fixed connection of fixed disk (5) has damping spring (6), the top fixed connection of damping spring (6) is at the lower surface of spacing dish (4), the surface cover of sealed hydro-cylinder (1) is equipped with and falls the cover (7) of making an uproar, fall the inside of the cover (7) of making an uproar and seted up the chamber (8) of making an uproar, and fall the inside of the cover (7) of making an uproar and set up a plurality of and extend to the sound hole (9) of inhaling of making an uproar chamber (8) inside wall of making an uproar.

2. The shock absorber for reducing noise of the automobile of claim 1, wherein: the outer surface of the piston rod (3) is fixedly connected with limiting bulges (10), the inner wall of the damping sleeve (2) is provided with limiting sliding grooves matched with the limiting bulges (10), and the number of the limiting bulges (10) is four.

3. The shock absorber for reducing noise of the automobile of claim 1, wherein: the bottom end of the piston rod (3) is fixedly connected with a buffer spring (11), and the bottom end of the buffer spring (11) is fixedly connected to the inner bottom wall of the damping sleeve (2).

4. The shock absorber for reducing noise of the automobile of claim 1, wherein: the noise reduction cavity (8) is filled with noise reduction cotton, the sound absorption holes (9) are all horn-shaped, and hydraulic oil is filled in the sealed oil cylinder (1).

5. The shock absorber for reducing noise of the automobile of claim 1, wherein: the outer surfaces of the noise reduction sleeve (7) and the sealed oil cylinder (1) are provided with fixing threaded holes, and the inner walls of the fixing threaded holes are in threaded connection with fixing bolts (12).

6. The shock absorber for reducing noise of the automobile of claim 1, wherein: the lower surface of the sealed oil cylinder (1) is fixedly connected with a lower mounting rod (13), and the top end of the piston rod (3) extends out of the upper surface of the sealed oil cylinder (1) through a sealed linear bearing and is fixedly connected with an upper mounting rod (14).