CN214221868U

CN214221868U - Bushing type mute shock absorber and vehicle

Info

Publication number: CN214221868U
Application number: CN202023226221.0U
Authority: CN
Inventors: 邹运东; 徐中芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a bushing type silence shock absorber and vehicle, shock absorber include oil storage cylinder, bush, damping post and attenuator, the bush is spacing on the oil storage cylinder inside wall and near the oil storage cylinder open end is arranged, damping post one end from the oil storage cylinder open end cover establish in the bush in the oil storage cylinder, be equipped with on the damping post open end lateral wall with the spacing damping post spacing jump ring of bush tip adaptation; the damper is sleeved in the vibration damping column and the oil storage cylinder, and two ends of the damper are respectively connected with the blocking end of the oil storage cylinder and the blocking end of the vibration damping column. The utility model discloses a shock absorber has reduced the use of damping post jump ring, and is spacing on the oil storage jar inside wall with the bush, when damping post and attenuator downstream, does not have piston motion, has reduced the abnormal sound.

Description

Bushing type mute shock absorber and vehicle

Technical Field

The utility model relates to a relevant technical field of vehicle damping, concretely relates to inlay cover formula silence shock absorber and vehicle.

Background

At the present stage, the domestic market has great demand on tricycles and motor tricycles, and meanwhile, the requirements on driving comfort and quality are higher and higher, and particularly the requirements on a shock absorber are outstanding. At present, the existing shock absorbers have serious abnormal sound and clamping stagnation phenomena, for example, the shock absorber is disclosed in patent number 201821800920.1 and the patent name is a shock absorber for three-wheeled vehicles and motorcycles. As shown in fig. 1, the upper part and the lower part of the damper are connected by snap springs, abnormal sound is easily generated during reciprocating motion of the damper, and meanwhile, a certain stroke exists between the two snap springs on the damping column of the lower bushing, and abnormal sound also exists during reciprocating motion. More importantly, the lower bushing moves up and down along with the damping column, which is equal to the movement of the piston, the requirements on the straightness, the smoothness and the attached ovality of the oil storage cylinder are high, the precision of the oil storage cylinder at the current stage cannot meet the requirements, the cost is too high even if the requirements are met, meanwhile, the distance between the upper bushing and the lower bushing is gradually increased when the lower bushing moves downwards, if the gap is too large, the service life is shortened, the oil leakage rate is increased, abnormal sound is also generated, and if the gap is too small, the abnormal sound is blocked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art not enough, provide a bushing type silence shock absorber and vehicle.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a bushing type mute shock absorber comprises an oil storage cylinder, a bushing, a shock absorption column and a damper, wherein the bushing is limited on the inner side wall of the oil storage cylinder and is arranged close to the open end of the oil storage cylinder; the damper is sleeved in the vibration damping column and the oil storage cylinder, and two ends of the damper are respectively connected with the blocking end of the oil storage cylinder and the blocking end of the vibration damping column.

The utility model has the advantages that: the utility model discloses a shock absorber has reduced the use of damping post jump ring, and is spacing on the oil storage cylinder inside wall with the bush, when damping post and attenuator downstream, does not have piston motion, and overall structure is compact, has reduced the noise.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, still include the lower support cover, the lower support cover is installed on the inside wall of oil storage cylinder, and one end with bush tip butt is spacing in the oil storage cylinder with the bush.

The beneficial effect of adopting the further scheme is that: the lower support sleeve is adopted to limit the bushing in the oil storage cylinder, the structure is compact, and noise is not generated. Because the friction coefficient of the damping column and the lining is smaller than that of the lining and the oil storage cylinder, the influence of the dimensional precision of the oil storage cylinder on the movement flexibility of the damper is completely eliminated, the damper moves more flexibly, the abrasion speed can be greatly reduced, and the service life of the damper is greatly prolonged. The smooth finish of the damping column is much higher than that of the oil storage cylinder, and the flexibility is better.

Furthermore, the other end of the lower support sleeve is abutted against one end of the damper and limits one end of the damper at the plugging end of the oil storage cylinder.

The beneficial effect of adopting the further scheme is that: utilize the lower support cover with the stopper end of stopper at the oil storage cylinder, cancelled current jump ring structure, the lower support cover can be spacing bush and attenuator simultaneously, compact structure can not produce the abnormal sound.

Further, still include the bush and support the jump ring, the bush supports the jump ring and installs on the inside wall of oil storage cylinder and with the spacing joint of the lateral wall of bush.

The beneficial effect of adopting the further scheme is that: the bushing supporting clamp spring can limit the bushing in the oil storage cylinder, relative motion does not exist between the bushing and the oil storage cylinder, only relative motion exists between the damping column and the bushing, the structure is compact, abnormal sound cannot be generated, and the influence of the size precision of the oil storage cylinder on the motion flexibility of the damper is thoroughly eliminated.

Furthermore, one end of the damper is limited at the plugging end of the oil storage cylinder through a damper limiting clamp spring.

Further, the bushing is integrally formed.

The beneficial effect of adopting the further scheme is that: aiming at the shock absorber with short stroke, the integrated bushing is adopted, so that the shock absorber with short stroke is suitable.

Further, the bush includes last bush and the lower liner that the components of a whole that can function independently set up, go up the bush with the lower liner butt, the lower liner is spacing be in on the reserve oil cylinder inside wall and be close to reserve oil cylinder open end arranges.

The beneficial effect of adopting the further scheme is that: aiming at the shock absorber with the lengthened plate, an upper bushing structure and a lower bushing structure can be adopted, and the stroke of the shock absorber is increased.

Further, the bush includes upper liner, spacer and lower liner, the spacer is located between upper liner and the lower liner and respectively with upper liner and lower liner butt, the lower liner is spacing be in on the reserve oil cylinder inside wall and be close to reserve oil cylinder open end arranges. And the spacing sleeve and the damping column are arranged at intervals, and a lubricating oil gap is reserved.

The beneficial effect of adopting the further scheme is that: aiming at the shock absorber of the super-long version, an upper bushing, a lower bushing and a spacer sleeve structure can be adopted, and the stroke of the shock absorber is increased. Because the lining material is powder metallurgy material, and is expensive, the spacer sleeve can adopt rigid plastic material, can utilize the spacer sleeve to increase the stroke, saves the cost.

Further, attenuator one end is equipped with the spacer on the damping, be equipped with the step on the one end inside wall of damping post, the spacer quilt is gone up in the damping the oil plug crimping is in on the step face of step, the inner ring of spacer is equipped with the inner ring step near the oil plug's one side on the damping, be equipped with an annular groove on the attenuator one end lateral wall, be equipped with in the annular groove with its with the mutual spacing piston rod jump ring of inner ring step.

The beneficial effect of adopting the further scheme is that: the upper damping positioning piece is limited at the upper end of the shock absorber by adopting the limiting structure, a clamp spring is not used, the structure is compact and stable, and abnormal sound can be avoided.

Furthermore, a lubricating oil hole penetrating through the side wall of the vibration damping column is formed in the vibration damping column, a lubricating oil groove arranged along the circumferential direction of the vibration damping column is formed in the outer side wall of the vibration damping column, and the lubricating oil hole is communicated with the lubricating oil groove.

The beneficial effect of adopting the further scheme is that: and a small amount of lubricating oil is infiltrated by utilizing the lubricating oil hole and the lubricating oil groove structure, so that the lubricating effect can be realized between the damping column and the bush.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 6 is a schematic structural diagram of embodiment 5 of the present invention;

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

1. a reserve tube;

2. a bushing; 21. an upper bushing; 22. a lower bushing; 23. a spacer sleeve; 24. the bushing supports the clamp spring;

3. a damping post; 31. the damping column limit clamp spring; 32. a lubricating oil hole; 33. a lubricating oil groove; 34. a step; 35. a first damping column limit clamp spring; 36. a second damping column limit clamp spring;

4. a damper; 41. a damping upper locating plate; 42. a damping lower locating plate; 43. an inner ring step; 44. an annular groove; 45. a piston rod clamp spring; 46. a damper limit clamp spring;

5. a lower support sleeve; 6. oil blocking; 61. a rubber ring; 7. a spring seat pan; 8. an oil seal is arranged inside; 81. an external oil seal; 82. round nut with external thread.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

Referring to fig. 1-6, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, where the bushing 2 is limited on an inner side wall of the oil storage cylinder 1 and is disposed near an open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit an end of the bushing 2 is disposed on an outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

The bushing type mute vibration absorber of the embodiment reduces the use of the clamp spring of the vibration absorbing column, limits the bushing on the inner side wall of the oil storage cylinder, does not have piston movement when the vibration absorbing column and the damper move downwards, has compact integral structure and reduces noise.

The bushing type mute damper of the embodiment can be used for damping vibration of vehicles, such as tricycles, automobiles, motor tricycles, motorcycles, electric vehicles, electric motorcycles and the like.

Example 2

As shown in fig. 1, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, wherein the bushing 2 is limited on the inner side wall of the oil storage cylinder 1 and is arranged near the open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit the end of the bushing 2 is arranged on the outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

As shown in fig. 1, the bushing-type silent vibration damper of the present embodiment further includes a lower support sleeve 5, and the lower support sleeve 5 is mounted on the inner sidewall of the reserve tube 1, and has one end abutting against the end of the bushing 2 to limit the bushing in the reserve tube. The lower support sleeve is adopted to limit the bushing in the oil storage cylinder, the structure is compact, and abnormal sound cannot be generated. Because the friction coefficient of the damping column and the lining is smaller than that of the lining and the oil storage cylinder, the influence of the dimensional precision of the oil storage cylinder on the movement flexibility of the damper is completely eliminated, the damper moves more flexibly, the abrasion speed can be greatly reduced, and the service life of the damper is greatly prolonged. The smooth finish of the damping column is much higher than that of the oil storage cylinder, and the flexibility is better.

As shown in fig. 1, the other end of the lower support sleeve 5 of the present embodiment abuts against one end of the damper 4 to limit one end of the damper 4 to the closed end of the reserve tube 1. Utilize down to support the cover with the stopper end of attenuator spacing at the oil storage jar, compact structure can not produce abnormal sound.

As shown in fig. 1, the damping column 3 of the present embodiment is provided with a lubricating oil hole 32 penetrating through a side wall thereof, the outer side wall of the damping column 3 is provided with a lubricating oil groove 33 arranged along a circumferential direction thereof, and the lubricating oil hole 32 and the lubricating oil groove 33 are communicated with each other.

The bushing type mute vibration absorber of the embodiment reduces the use of the clamp spring of the vibration absorbing column, limits the bushing on the inner side wall of the oil storage cylinder, does not have piston movement when the vibration absorbing column and the damper move downwards, and reduces abnormal sound.

Example 3

As shown in fig. 5, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, wherein the bushing 2 is limited on the inner side wall of the oil storage cylinder 1 and is arranged near the open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit the end of the bushing 2 is arranged on the outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

As shown in fig. 5, the damping column 3 of this embodiment further includes a bushing supporting clamp spring 24, and the bushing supporting clamp spring 24 is installed on the inner side wall of the reserve cylinder 1 and is in limit clamping connection with the outer side wall of the bushing 2. The bushing supporting clamp spring can limit the bushing in the oil storage cylinder, relative motion does not exist between the bushing and the oil storage cylinder, only relative motion exists between the damping column and the bushing, the structure is compact, abnormal sound cannot be generated, and the influence of the size precision of the oil storage cylinder on the motion flexibility of the damper is thoroughly eliminated.

As shown in fig. 5, one end of the damper 4 of this embodiment is limited at the sealed end of the reserve tube 1 by a damper limit clamp spring 46.

As shown in fig. 5, the damping column 3 of the present embodiment is provided with a lubricating oil hole 32 penetrating through a side wall thereof, the outer side wall of the damping column 3 is provided with a lubricating oil groove 33 arranged along a circumferential direction thereof, and the lubricating oil hole 32 and the lubricating oil groove 33 are communicated with each other.

Example 4

As shown in fig. 1 and fig. 2, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, wherein the bushing 2 is limited on the inner side wall of the oil storage cylinder 1 and is arranged near the open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to and limited by the end of the bushing 2 is arranged on the outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

As shown in fig. 1 and 2, the bushing-type silent vibration damper of the present embodiment further includes a lower support sleeve 5, and the lower support sleeve 5 is mounted on the inner sidewall of the reserve tube 1, and has one end abutting against the end of the bushing 2 to limit the bushing in the reserve tube. The lower support sleeve is adopted to limit the bushing in the oil storage cylinder, the structure is compact, and abnormal sound cannot be generated. Because the friction coefficient of the damping column and the lining is smaller than that of the lining and the oil storage cylinder, the influence of the dimensional precision of the oil storage cylinder on the movement flexibility of the damper is completely eliminated, the damper moves more flexibly, the abrasion speed can be greatly reduced, and the service life of the damper is greatly prolonged. The smooth finish of the damping column is much higher than that of the oil storage cylinder, and the flexibility is better.

As shown in fig. 1 and 2, the other end of the lower support sleeve 5 of the present embodiment abuts against one end of the damper 4 to limit the one end of the damper 4 at the closed end of the reserve tube 1. Utilize down to support the cover with the stopper end of attenuator spacing at the oil storage jar, compact structure can not produce abnormal sound.

As shown in fig. 1 and 2, the bushing 2 of the present embodiment is integrally formed. Aiming at the shock absorber with short stroke, the integrated bushing is adopted, so that the shock absorber with short stroke is suitable.

Further, as shown in fig. 1, the damping column 3 of the present embodiment is provided with a lubricating oil hole 32 penetrating through a side wall thereof, the outer side wall of the damping column 3 is provided with a lubricating oil groove 33 arranged along a circumferential direction thereof, and the lubricating oil hole 32 and the lubricating oil groove 33 are communicated with each other.

Example 5

Referring to fig. 3, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, where the bushing 2 is limited on the inner side wall of the oil storage cylinder 1 and is disposed near the open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit the end of the bushing 2 is disposed on the outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

Referring to fig. 3, the bushing type silent vibration damper of the present embodiment further includes a lower support sleeve 5, wherein the lower support sleeve 5 is installed on the inner sidewall of the reserve tube 1, and one end of the lower support sleeve abuts against the end of the bushing 2 to limit the bushing in the reserve tube. The lower support sleeve is adopted to limit the bushing in the oil storage cylinder, the structure is compact, and abnormal sound cannot be generated. Because the friction coefficient of the damping column and the lining is smaller than that of the lining and the oil storage cylinder, the influence of the dimensional precision of the oil storage cylinder on the movement flexibility of the damper is completely eliminated, the damper moves more flexibly, the abrasion speed can be greatly reduced, and the service life of the damper is greatly prolonged. The smooth finish of the damping column is much higher than that of the oil storage cylinder, and the flexibility is better.

Referring to fig. 3, the other end of the lower support sleeve 5 of the present embodiment abuts against one end of the damper 4 and limits one end of the damper 4 to the closed end of the reserve tube 1. Utilize down to support the cover with the stopper end of attenuator spacing at the oil storage jar, compact structure can not produce abnormal sound.

Wherein, with reference to fig. 3, the spacer 23 of fig. 3 is eliminated. The bush 2 of this embodiment includes the upper liner 21 and the lower liner 22 that the components of a whole that can function independently set up, upper liner 21 with lower liner 22 butt, lower liner 22 is spacing in on the reserve tube 1 inside wall and be close to reserve tube 1 open end arranges. Aiming at the shock absorber with the lengthened plate, an upper bushing structure and a lower bushing structure can be adopted, and the stroke of the shock absorber is increased.

Referring to fig. 3, the damping column 3 of the present embodiment is provided with a lubricating oil hole 32 penetrating through a side wall thereof, the outer side wall of the damping column 3 is provided with a lubricating oil groove 33 arranged along a circumferential direction thereof, and the lubricating oil hole 32 and the lubricating oil groove 33 are communicated with each other. And a small amount of lubricating oil is infiltrated by utilizing the lubricating oil hole and the lubricating oil groove structure, so that the lubricating effect can be realized between the damping column and the bush.

Example 6

As shown in fig. 4, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, wherein the bushing 2 is limited on the inner side wall of the oil storage cylinder 1 and is arranged near the open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit the end of the bushing 2 is arranged on the outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

As shown in fig. 4, the bushing-type silent vibration damper of the present embodiment further includes a lower support sleeve 5, and the lower support sleeve 5 is mounted on the inner sidewall of the reserve tube 1, and has one end abutting against the end of the bushing 2 to limit the bushing in the reserve tube. The lower support sleeve is adopted to limit the bushing in the oil storage cylinder, the structure is compact, and abnormal sound cannot be generated. Because the friction coefficient of the damping column and the lining is smaller than that of the lining and the oil storage cylinder, the influence of the dimensional precision of the oil storage cylinder on the movement flexibility of the damper is completely eliminated, the damper moves more flexibly, the abrasion speed can be greatly reduced, and the service life of the damper is greatly prolonged. The smooth finish of the damping column is much higher than that of the oil storage cylinder, and the flexibility is better.

As shown in fig. 4, the other end of the lower support sleeve 5 of the present embodiment abuts against one end of the damper 4 to limit the one end of the damper 4 to the closed end of the reserve tube 1. Utilize down to support the cover with the stopper end of attenuator spacing at the oil storage jar, compact structure can not produce abnormal sound.

As shown in fig. 4, the liner 2 of the present embodiment has a split structure, the liner 2 includes an upper liner 21, a spacer 23 and a lower liner 22, the spacer 23 is located between the upper liner 21 and the lower liner 22 and is respectively abutted against the upper liner 21 and the lower liner 22, and the lower liner 22 is limited on the inner side wall of the reserve tube 1 and is arranged near the open end of the reserve tube 1. And a lubricating oil gap is reserved between the spacer sleeve 23 and the damping column 3. Aiming at the shock absorber of the super-long version, an upper bushing, a lower bushing and a spacer sleeve structure can be adopted, and the stroke of the shock absorber is increased. Because the bush material is powder metallurgy material, and is expensive, the spacer can adopt rigid plastic material, can increase the stroke through setting up the spacer, can save the cost.

In order to save cost, the length of the spacer bush can be longer than that of the bush, and for the structure, in order to avoid excessive lubricating oil entering between the spacer bush and the damping column when the shock absorber is used, and the risk of oil leakage due to excessive oil pressure between the spacer bush and the damping column can be avoided, a lubricating oil hole can not be formed in the damping column, for example, in the structure shown in fig. 4, the lubricating oil which permeates from the gap between the lower bush and the damping column and the lubricating oil brought in the motion process of the damping column can meet the lubricating requirement. If a lubricating oil hole is required to be formed in the structure, the lubricating oil hole can be formed at a position which is about 8-12mm away from the upper end of the lower bushing, and when the vibration damping column moves downwards, the lubricating oil hole can be timely blocked or communicated with the oil cavity, so that excessive lubricating oil entering the spacer bush is avoided.

Example 7

As shown in fig. 1, one end of the damper 4 of this embodiment is provided with a damping upper locating piece 41, the inner side wall of one end of the damping column 3 is provided with a step 34, the damping upper locating piece 41 is pressed by the oil plug 6 on the step surface of the step 34, one side of the inner ring of the damping upper locating piece 41, which is close to the oil plug 6, is provided with an inner ring step 43, the outer side wall of one end of the damper 4 is provided with an annular groove 44, and the annular groove 44 is internally provided with a piston rod snap spring 45 which limits the inner ring step 43 to each other. The oil plug 6 is hermetically fixed at the upper end of the damping column 3 through a rubber ring 61. By adopting the structure, the upper damping positioning sheet is limited at the upper end of the shock absorber, so that abnormal sound can be avoided.

Example 8

Referring to fig. 2-6, the bushing type silent vibration absorber of this embodiment includes an oil storage cylinder 1, a bushing 2, a vibration damping pillar 3 and a damper 4, where the bushing 2 is limited on an inner side wall of the oil storage cylinder 1 and is disposed near an open end of the oil storage cylinder 1, one end of the vibration damping pillar 3 is sleeved in the bushing 2 in the oil storage cylinder 1 from the open end of the oil storage cylinder 1, and a vibration damping pillar limiting snap spring 31 adapted to limit an end of the bushing 2 is disposed on an outer side wall of the open end of the vibration damping pillar 3; the 4 covers of attenuator establish vibration damping post 3 with in the oil storage jar 1, and both ends respectively with 1 shutoff ends of oil storage jar are connected with 3 shutoff ends of vibration damping post.

Referring to fig. 1, 3, 5 and 6, the damping post 3 of the present embodiment is provided with a lubricating oil hole 32 penetrating through a side wall thereof, an outer side wall of the damping post 3 is provided with a lubricating oil groove 33 arranged along a circumferential direction thereof, and the lubricating oil hole 32 and the lubricating oil groove 33 are communicated with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The bushing type mute shock absorber is characterized by comprising an oil storage cylinder, a bushing, a shock absorption column and a damper, wherein the bushing is limited on the inner side wall of the oil storage cylinder and is arranged close to the open end of the oil storage cylinder; the damper is sleeved in the vibration damping column and the oil storage cylinder, and two ends of the damper are respectively connected with the blocking end of the oil storage cylinder and the blocking end of the vibration damping column.

2. The bushing-type noise damper according to claim 1, further comprising a lower support bushing mounted on an inner sidewall of said reserve tube and having one end abutting an end of said bushing.

3. The nested type of silent vibration damper according to claim 2, wherein the other end of said lower support sleeve abuts against one end of said damper and retains the one end of the damper at the closed end of the reserve tube.

4. The bushing-type noise damper according to claim 1, further comprising a bushing support spring, wherein the bushing support spring is mounted on an inner sidewall of the reserve tube and is in limit clamping connection with an outer sidewall of the bushing.

5. The nested type of the silent vibration absorber of claim 4, wherein one end of said damper is retained at the closed end of said reserve tube by a damper retainer clip.

6. The nested acoustic damper according to any one of claims 1 to 5, wherein the bushing is integrally formed.

7. The nested silence damper of any one of claims 1 to 5, wherein the bushing includes an upper bushing and a lower bushing that are separately disposed, the upper bushing abutting the lower bushing, the lower bushing being retained on the inner sidewall of the reserve tube and disposed proximate to the open end of the reserve tube; or, the bush includes upper liner, spacer and lower liner, the spacer is located between upper liner and the lower liner and respectively with upper liner and lower liner butt, the lower liner is spacing be in just be close to on the reserve oil cylinder inside wall reserve oil cylinder open end arranges.

8. The bushing type mute shock absorber according to any one of claims 1 to 5, wherein one end of the damper is provided with an upper damper positioning plate, the inner side wall of one end of the damping column is provided with a step, the upper damper positioning plate is pressed on the step surface of the step by an oil plug, one side of the inner ring of the upper damper positioning plate, which is close to the oil plug, is provided with an inner ring step, the outer side wall of one end of the damper is provided with an annular groove, and the annular groove is internally provided with a piston rod snap spring for limiting the inner ring step and the annular groove.

9. The bushing type mute vibration absorber as claimed in any one of claims 1 to 5, wherein the damping post is provided with a lubricating oil hole penetrating through a side wall thereof, an outer side wall of the damping post is provided with a lubricating oil groove arranged along a circumferential direction thereof, and the lubricating oil hole is communicated with the lubricating oil groove.

10. A vehicle comprising the insert-type silent vibration damper according to any one of claims 1 to 9.