CN220817022U

CN220817022U - Noise reduction structure of shock absorber

Info

Publication number: CN220817022U
Application number: CN202322431699.4U
Authority: CN
Inventors: 张坤; 赵飞龙; 钟泽军
Original assignee: Dongfeng Shiyan Torsional Damper Co ltd
Current assignee: Dongfeng Shiyan Torsional Damper Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-19
Anticipated expiration: 2033-09-07

Abstract

The utility model relates to the technical field of shock absorbers and provides a shock absorber noise reduction structure which comprises a shock absorber component I, wherein the shock absorber component I is internally and slidably connected with a shock absorber component II, a first shell and a second shell are respectively arranged on two sides of the outer part of the shock absorber component I, the shapes of the first shell and the second shell are semicircular, the inner parts of the first shell and the second shell are contacted with the outer surface of the shock absorber component I, one end of the outer part of the first shell is fixedly connected with a supporting plate body, one side of the inner part of the second shell is provided with a supporting clamping groove, the supporting plate body is in a long strip shape, the supporting clamping groove is also in a long strip shape, the supporting plate body extends into the supporting clamping groove, and soundproof cotton is embedded in the inner layers of the first shell and the second shell. Through above-mentioned technical scheme, solved among the prior art bumper shock absorber because expose in the external world and lead to life-span can receive the problem that reduces the noise effect can gradually.

Description

Noise reduction structure of shock absorber

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a noise reduction structure of a shock absorber.

Background

At present, in order to improve the running smoothness (comfort) of automobiles, a shock absorber is installed in the suspension system of most automobiles. The damping system of the automobile consists of a spring and a damper. The shock absorber is not used for supporting the weight of the vehicle body, but is used for restraining the vibration of the spring when rebounding after shock absorption and absorbing the energy of road surface impact. The spring plays a role in relieving impact, so that 'large-energy one-time impact' is changed into 'small-energy multiple-time impact', and the shock absorber gradually reduces 'small-energy multiple-time impact'.

The patent specification with the publication number of CN218294299U discloses a shock absorber for automobile noise reduction, which comprises a sealing oil cylinder, the interior bottom wall fixedly connected with shock attenuation sleeve of sealed hydro-cylinder, shock attenuation sleeve's inner wall sliding connection has the piston rod, the surface fixedly connected with limiting plate of piston rod, shock attenuation sleeve's surface fixedly connected with 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 limiting plate, the surface cover of sealed hydro-cylinder is equipped with the cover of making an uproar that falls, the inside of the cover of making an uproar that falls has been seted up the chamber of making an uproar that falls. This automobile noise reduction is with bumper shock absorber through setting up sealed hydro-cylinder, damping sleeve, piston rod, spacing dish, fixed disk, damping spring and buffer spring, enables whole bumper shock absorber and has good absorbing effect in the use.

However, the technical solution described above has the following problems found in the implementation of the related art: the above device can reduce noise of the shock absorber during use, but the shock absorber can not ensure the optimal service life and noise reduction effect of the shock absorber because the service life of the shock absorber is reduced due to the external environment during use, so further improvement is needed.

Disclosure of utility model

The utility model provides a noise reduction structure of a shock absorber, which solves the problems that the service life of the shock absorber set in the related art is influenced and the noise reduction effect is gradually weakened due to the fact that the shock absorber is exposed to the outside.

The technical scheme of the utility model is as follows:

The utility model provides a structure of making an uproar falls in bumper shock absorber, includes bumper shock absorber subassembly one, inside sliding connection of bumper shock absorber subassembly two, the outside both sides of bumper shock absorber subassembly one are equipped with first casing and second casing respectively, first casing and second casing shape all set up to semicircle annular, inside all with bumper shock absorber subassembly one surface contact of first casing and second casing, the outside one end fixedly connected with backup pad body of first casing, the inside one side of second casing has been seted up and has been supported the draw-in groove.

Preferably, the shape of the supporting plate body is set to be a long strip shape, the shape of the supporting clamping groove is also set to be a long strip shape, and the supporting plate body extends to the inside of the supporting clamping groove.

Preferably, the first shell and the second shell are both embedded with soundproof cotton, one side of the outer part of the first shell is fixedly connected with a fixed clamping plate, and the shape of the fixed clamping plate is a long strip shape.

Preferably, the bottom of the first shell and the bottom of the second shell are fixedly connected with sound insulation plate bodies, and the inner ends of the two sound insulation plate bodies are contacted.

Preferably, one side of the outer part of the second shell is fixedly connected with two fixing plate bodies, and the two fixing plate bodies are vertically and oppositely distributed.

Preferably, the fixed shells are fixedly connected to one sides of the outer parts of the two fixed plates, and the telescopic springs are fixedly connected to the inner parts of the two fixed shells.

Preferably, the inner ends of the two telescopic springs are fixedly connected with an adapting slide plate, and the outer surface of the adapting slide plate is adapted to and contacted with the inner wall of the fixed shell.

Preferably, the inner sides of the two adapting sliding plates are fixedly connected with pulling rod bodies, and the inner sides of the two fixing shells are provided with connecting grooves.

Preferably, the two pulling rod bodies respectively penetrate through the inside of the two connecting grooves, and the two pulling rod bodies are both L-shaped.

Preferably, the two outer ends of the pulling rod bodies are fixedly connected with a movable clamping plate, two clamping grooves are formed in the fixed clamping plate, the two clamping grooves are arranged in an up-down opposite mode, and the two pulling rod bodies penetrate through the two clamping grooves respectively.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, the limit connection between the first shell and the second shell can be realized through the design of the support plate body and the support clamping groove, so that the situation of poor sound insulation effect caused by position deviation in the installation process is prevented; through the design of telescopic spring and removal cardboard isotructure can make the first casing and the second casing be connected and obtain fixedly to can protect the bumper shock absorber subassembly, solve the bumper shock absorber because expose and lead to the life-span can receive the problem that influences and noise reduction effect can weaken gradually in the external world.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram showing a partial structure separation in the present utility model;

FIG. 3 is a schematic diagram showing a partial structure separation in the present utility model;

Fig. 4 is a schematic cross-sectional view of the telescopic spring according to the present utility model.

In the figure: 1. a damper assembly I; 2. a damper assembly II; 3. a first housing; 4. a fixed clamping plate; 5. a second housing; 6. a support plate body; 7. a supporting clamping groove; 8. a sound insulation board body; 9. fixing the plate body; 10. a fixed housing; 11. a telescopic spring; 12. adapting a sliding plate; 13. pulling the rod body; 14. moving the clamping plate; 15. and a clamping groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-3, the present embodiment provides a noise reduction structure of a damper, including a damper component 1, wherein a damper component 2 is slidably connected inside the damper component 1, two sides of the exterior of the damper component 1 are respectively provided with a first housing 3 and a second housing 5, the shapes of the first housing 3 and the second housing 5 are all semicircular, the interiors of the first housing 3 and the second housing 5 are both contacted with the exterior surface of the damper component 1, one end of the exterior of the first housing 3 is fixedly connected with a supporting plate 6, and one side of the interior of the second housing 5 is provided with a supporting clamping groove 7.

In this embodiment, the shape of the supporting plate 6 is set to be a long strip, the shape of the supporting slot 7 is also set to be a long strip, and the supporting plate 6 extends into the supporting slot 7, so that a supporting structure is formed between the supporting plate 6 and the supporting slot 7.

When the installation work of the noise reduction structure needs to be carried out on the outer part of the damper assembly 1, firstly, a worker needs to take out the first shell 3 and the second shell 5, then the second shell 5 is assembled and moved towards the direction of the first shell 3, the second shell 5 synchronously drives the supporting plate body 6 to carry out the moving work in the moving process, and then the worker aligns the supporting plate body 6 to the inner part of the supporting clamping groove 7, so that the supporting plate body 6 completely enters the inner part of the supporting clamping groove 7, simple fixation can be formed, and offset dislocation between the first shell 3 and the second shell 5 is prevented.

Example 2

As shown in FIGS. 2 to 4, the present embodiment also proposes, based on the same concept as that of embodiment 1 described above

In this embodiment, all inlay in the 5 inlayer of first casing 3 and second casing and be equipped with the soundproof cotton, the outside one side fixedly connected with fixed cardboard 4 of first casing 3, fixed cardboard 4 shape is rectangular shape, can fall the noise through the design of soundproof cotton, can make an uproar 4 obtain fixed connection.

In this embodiment, the first casing 3 and the bottom of the second casing 5 are both fixedly connected with the acoustic panel body 8, and the inner ends of the two acoustic panel bodies 8 are contacted, so that the acoustic panel body 8 is fixedly connected and noise reduction is performed.

In this embodiment, two fixing plates 9 are fixedly connected to one side of the outer portion of the second housing 5, and the two fixing plates 9 are vertically and oppositely distributed, so that the fixing plates 9 are fixedly connected.

In this embodiment, two fixed plate body 9 outside one side all fixedly connected with fixed casing 10, two fixed casing 10 inside all fixedly connected with extension spring 11, can make extension spring 11 obtain fixed connection.

In this embodiment, the inner ends of the two extension springs 11 are fixedly connected with the adapting slide plate 12, and the outer surface of the adapting slide plate 12 is adapted to and contacted with the inner wall of the fixed housing 10, so that the adapting slide plate 12 can slide in the fixed housing 10.

In this embodiment, the inner sides of the two adapting sliding plates 12 are fixedly connected with the pulling rod 13, and the inner sides of the two fixing shells 10 are provided with connecting grooves, so that the pulling rod 13 can be fixed to slide.

In this embodiment, the two pulling rod bodies 13 respectively penetrate through the inside of the two connecting grooves, and the two pulling rod bodies 13 are all L-shaped, so that the staff can conveniently move the pulling rod bodies 13.

In this embodiment, two clamping grooves 15 are formed in the fixed clamping plate 4, and the two clamping grooves 15 are vertically opposite, and the two pulling rod bodies 13 penetrate through the two clamping grooves 15 respectively, so that clamping operation between the pulling rod bodies 13 and the fixed clamping plate 4 can be facilitated.

When the supporting plate body 6 enters the supporting clamping groove 7, at this time, the first shell 3 and the second shell 5 form a firmer state outside the damper assembly 1, because the first shell 3 and the second shell 5 are connected, the two sound insulation plate bodies 8 are also connected in contact, so that the noise reduction work of the damper assembly 1 can be achieved, in the working process, a worker needs to expand the two pulling rod bodies 13 to the outside in advance, the two pulling rod bodies 13 synchronously drive the adaptive sliding plate 12 to move in the expanding process, the adaptive sliding plate 12 synchronously drives the telescopic spring 11 to stretch in the moving process, and simultaneously, the pulling rod bodies 13 synchronously drive the movable clamping plate 14 to move in the moving process, when the movable clamping plate 14 can enter the clamping groove 15, the movable clamping plate 14 penetrates through the clamping groove 15 to be connected, then the worker releases hands, the two telescopic springs 11 can quickly compress the two pulling rod bodies 12 and the pulling rod bodies 13 to move to the outside, and the two telescopic clamping plates 13 can be compressed to drive the movable clamping plate 14 to move to the fixed clamping plate 14 in the moving process, and the two clamping plates 4 are fixed between the two clamping plates 4 and the first clamping plate body 1 and the movable clamping plate body 4, and the movable clamping plate 4 can be fixed in the moving process, and the first clamping plate body 4 is convenient to move between the two clamping plates and the movable clamping plate bodies 4 and the movable clamping plate body 4 and the first clamping plate body 4 and the movable clamping plate body 4 is fixed in the moving state;

When the damper assembly 1 needs to be taken out for maintenance, a worker expands the two pulling rod bodies 13 to the outside again, at this time, the two moving clamping plates 14 synchronously move to the outside, the two telescopic springs 11 are stretched, the moving clamping plates 14 are positioned in the middle positions of the clamping grooves 15, and then the worker completely passes the two moving clamping plates 14 through the inside of the two clamping grooves 15, the first shell 3 and the second shell 5 are separated, so that maintenance work can be achieved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a structure of making an uproar falls in bumper shock absorber, includes bumper shock absorber subassembly one (1), a serial communication port, inside sliding connection of bumper shock absorber subassembly one (1) has bumper shock absorber subassembly two (2), bumper shock absorber subassembly one (1) outside both sides are equipped with first casing (3) and second casing (5) respectively, first casing (3) and second casing (5) shape all set up to semicircle annular, inside all with bumper shock absorber subassembly one (1) surface of first casing (3) and second casing (5) contacts, the outside one end fixedly connected with backup pad body (6) of first casing (3), support draw-in groove (7) have been seted up to inside one side of second casing (5).

2. The structure for reducing noise of a shock absorber according to claim 1, wherein the supporting plate body (6) is shaped like a long strip, the supporting slot (7) is also shaped like a long strip, and the supporting plate body (6) extends into the supporting slot (7).

3. The noise reduction structure of the shock absorber according to claim 2, wherein the inner layers of the first shell (3) and the second shell (5) are embedded with soundproof cotton, one side of the outer portion of the first shell (3) is fixedly connected with a fixing clamping plate (4), and the fixing clamping plate (4) is in a long strip shape.

4. A damper noise reduction structure according to claim 3, wherein the bottoms of the first housing (3) and the second housing (5) are fixedly connected with sound insulation plate bodies (8), and the inner ends of the two sound insulation plate bodies (8) are contacted.

5. The noise reduction structure of a shock absorber according to claim 4, wherein two fixing plate bodies (9) are fixedly connected to one side of the outer portion of the second housing (5), and the two fixing plate bodies (9) are vertically and oppositely distributed.

6. The structure of making an uproar falls in bumper shock absorber according to claim 5, characterized in that two fixed plate body (9) outside one side is all fixedly connected with fixed casing (10), two fixed casing (10) inside is all fixedly connected with telescopic spring (11).

7. The noise reduction structure of the shock absorber according to claim 6, wherein the inner ends of the two telescopic springs (11) are fixedly connected with an adapting slide plate (12), and the outer surface of the adapting slide plate (12) is adapted to and contacted with the inner wall of the fixed shell (10).

8. The shock absorber noise reduction structure according to claim 7, wherein the inner sides of the two adapting sliding plates (12) are fixedly connected with pulling rod bodies (13), and the inner sides of the two fixing shells (10) are provided with connecting grooves.

9. The structure for reducing noise of a shock absorber according to claim 8, wherein the two pull rod bodies (13) penetrate through the inside of the two connecting grooves, respectively, and the two pull rod bodies (13) are each L-shaped.

10. The structure of making an uproar falls in a shock absorber according to claim 9, characterized in that two pulling body of rod (13) outer end is all fixedly connected with removes cardboard (14), two joint groove (15) have been seted up to fixed cardboard (4) inside, and two joint groove (15) are the setting of upper and lower opposition, and two pulling body of rod (13) run through two joint groove (15) inside respectively.