CN209762126U

CN209762126U - steering damper

Info

Publication number: CN209762126U
Application number: CN201920513356.3U
Authority: CN
Inventors: 刘占福
Original assignee: Tianjin Zhongheng Automobile Shock Absorber Co Ltd
Current assignee: Tianjin Zhongheng Automobile Shock Absorber Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-12-10
Anticipated expiration: 2029-04-16

Abstract

The embodiment of the utility model provides a steering damper, it has the piston cylinder assembly to store the liquid cylinder assembly internal coaxial fixation, piston cylinder assembly overcoat is equipped with the gasbag assembly, it is equipped with the piston rod assembly to slide in the piston cylinder assembly, the piston cylinder assembly distal end is fixed with the compensation disk seat, be fixed with the compensating valve assembly on the compensation disk seat, the piston cylinder assembly near-end is equipped with the oil blanket fixed part, the tip is fixed with the rebound valve assembly in the piston rod assembly, the outer tip of piston rod assembly with store and be equipped with coil spring between the liquid cylinder assembly. The air bag assembly comprises an air bag pipe, a necking part and a clamp, the air bag pipe and the piston cylinder assembly are coaxially arranged, the necking parts are formed at the two ends of the air bag pipe in an integrated mode, the necking parts are sleeved on the outer wall of the piston cylinder assembly in a sealing mode, the clamp is sleeved on the necking parts, the outer wall of the air bag pipe abuts against the inner wall of the liquid storage cylinder assembly, and an air cavity is formed between the air bag pipe and the piston cylinder assembly. The utility model discloses interior fluid distributes evenly, and the buffering shock attenuation is good, turns to bumper shock absorber long service life.

Description

Steering damper

Technical Field

The utility model belongs to the technical field of auto-parts, particularly, relate to a steering damper.

Background

The shock absorber is used for inhibiting the shock generated when the spring rebounds after vibrating and the impact from the road surface, and is widely used in automobile shock absorption to accelerate the attenuation of the vibration of a frame and an automobile body so as to improve the running smoothness of an automobile. When the automobile passes through the uneven road surface, although the shock-absorbing spring can filter the vibration of the road surface, the spring can still reciprocate, and the shock absorber is used for inhibiting the spring from jumping.

In the prior art, a steering damper is an important component in a vehicle steering system, and the stability of the use of the steering damper determines the stability of the steering of the vehicle. The existing steering damper adopts oil as a buffer solution, and a certain amount of air is arranged in the buffer solution to be used as a buffer, and as the steering damper is transversely used, gas floats upwards in a piston cylinder, so that the oil is unevenly distributed in the piston cylinder assembly and a liquid storage cylinder assembly, the use effect of the steering damper is poor, and even the steering damper is damaged.

Therefore, the above technical problems in the prior art are the technical problems to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a steering damper, which solves the technical problems of the prior art.

in order to realize foretell purpose, the utility model provides a steering damper, including storing liquid cylinder assembly, piston rod assembly, compensating valve seat, gasbag assembly, rebound valve assembly, coil spring and oil blanket fixed part, it has the piston cylinder assembly to store the coaxial fixed in the liquid cylinder assembly, piston cylinder assembly overcoat is equipped with the gasbag assembly, it is equipped with the piston rod assembly to slide in the piston cylinder assembly, the piston cylinder assembly distal end is fixed with compensating valve seat, be fixed with compensating valve assembly on the compensating valve seat, the piston cylinder assembly near-end is equipped with the oil blanket fixed part, the tip is fixed with the rebound valve assembly in the piston rod assembly, be equipped with coil spring between the outer tip of piston rod assembly and the liquid cylinder assembly.

Further, the gasbag assembly includes gasbag pipe, throat and clamp, gasbag pipe and piston cylinder assembly coaxial line set up, gasbag pipe both ends integrated into one piece are equipped with the throat, the throat seal cover is established on the piston cylinder assembly outer wall, the throat overcoat is equipped with the clamp, gasbag pipe outer wall and liquid storage cylinder assembly inner wall counterbalance tightly, be the air cavity between gasbag pipe and the piston cylinder assembly.

The piston rod assembly is characterized by further comprising an upper spring cover and a spring pad, the upper spring cover is fixed at the outer end of the piston rod assembly, the spring pad is fixed on the outer wall of the liquid storage cylinder assembly, and the spiral spring is arranged between the upper spring cover and the spring pad.

The piston rod assembly is sleeved with the dust cover, one end of the dust cover is fixedly wrapped in the middle of the piston rod assembly, and the other end of the dust cover is fixedly wrapped at the near end of the liquid storage cylinder assembly.

further, the liquid storage tank assembly further comprises a guide sleeve, and the guide sleeve is fixedly sleeved on the proximal end portion of the liquid storage tank assembly.

Further, a bush is attached to the outer end of the piston rod assembly, and a bush is attached to the distal end of the reservoir assembly.

Use the technical scheme of the utility model, set up the structure of gasbag assembly outside the piston cylinder assembly, formed the air cavity between its and the piston cylinder assembly outer wall, the piston rod assembly drives the rebound valve assembly in the piston cylinder assembly internal slip, drives the fluid in the piston cylinder assembly and enters into in storing the liquid jar, compresses the air in the gasbag assembly to buffer shock-absorbing function has been realized, and the gasbag can the reconversion after relieving the oil hydraulic compression. The utility model discloses interior fluid distributes evenly, and the buffering shock attenuation is good, turns to bumper shock absorber long service life.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 schematically shows an appearance structure of an embodiment of the present invention;

Figure 2 schematically illustrates a cross-sectional view of figure 1 of the present invention;

FIG. 3 schematically illustrates an enlarged view of a portion of FIG. 2 according to the present invention;

Fig. 4 schematically shows a partial enlarged view of fig. 2B of the present invention;

fig. 5 schematically illustrates a partial enlarged view of fig. 2 at C of the present invention;

Wherein the figures include the following reference numerals:

1 a liquid storage cylinder assembly; 2, a piston cylinder assembly; 3, a piston rod assembly; 4 compensating the valve assembly; 5 compensating the valve seat; 6 an air bag assembly; 601 an air bag tube; 602 necking down; 603, clamping a hoop; 7 a reset valve assembly; 8 a coil spring; 9 oil seal fixing part; 10, an upper spring cover; 11 a spring pad; 12 a dust cover; 13, a guide sleeve; 14 liner.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises," "comprising," and any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be rotated 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

referring to fig. 1 to 5, the embodiment of the utility model provides a steering damper, including storing liquid cylinder assembly 1, piston cylinder assembly 2, piston rod assembly 3, compensating valve assembly 4, compensating valve seat 5, gasbag assembly 6, restoring valve assembly 7, coil spring 8 and oil blanket fixed part 9, storing liquid cylinder assembly 1 internal coaxial be fixed with piston cylinder assembly 2, piston cylinder assembly 2 both ends all with store liquid cylinder assembly 1 both ends fixed connection, guarantee the stability in the use. The piston cylinder assembly 2 is sleeved with the air bag assembly 6, in the embodiment, the air bag assembly 6 plays a role in buffering, when the steering damper is used, oil compresses air in the air bag assembly 6, the air bag assembly 6 deforms, the oil pressure is reduced, and the piston rod assembly 3 slides in the piston cylinder assembly 2. And the air bag assembly 6 has restoring force after being compressed, and when the oil in the piston cylinder assembly 2 and the liquid storage cylinder assembly 1 is uniformly distributed, the air bag assembly 6 restores the original shape. A piston rod assembly 3 is arranged in the piston cylinder assembly 2 in a sliding mode, a compensation valve seat 5 is fixed at the far end of the piston cylinder assembly 2, a compensation valve assembly 4 is fixed on the compensation valve seat 5, and oil in the liquid storage cylinder assembly 1 enters the piston cylinder assembly 2 through the compensation valve assembly 4, so that compensation and buffering effects are achieved. The near end of the piston cylinder assembly 2 is provided with an oil seal fixing part 9 which is not only used for fixing the piston cylinder assembly 2, but also realizes the sliding seal of the piston rod assembly 3. A restoring valve assembly 7 is fixed at the inner end part of the piston rod assembly 3, and a spiral spring 8 is arranged between the outer end part of the piston rod assembly 3 and the liquid storage cylinder assembly 1, so that when the steering damper rotates or compresses, a torsional force and an elastic acting force are provided, and the buffering and damping effects are exerted. The compensator valve assembly 4 and the reset valve assembly 7 in this embodiment are purchased from prior art components.

In this embodiment, by arranging the airbag assembly 6, the problem that a certain amount of air is required to be arranged in the conventional steering damper, so that the oil is not uniformly distributed in the liquid storage cylinder assembly 1 can be solved, and the damping effect can be better realized. Further, gasbag assembly 6 includes gasbag pipe 601, necking portion 602 and clamp 603, and gasbag assembly 6 adopts wear-resisting rubber material, gasbag pipe 601 and the coaxial line setting of piston cylinder assembly 2, and gasbag pipe 601 internal diameter is greater than the 2 outer walls of piston cylinder assembly to formed the cavity that holds the air between the 6 inner walls of piston cylinder assembly 2 outer walls of piston cylinder assembly and gasbag assembly. Gasbag pipe 601 both ends integrated into one piece is equipped with throat portion 602, and specifically when setting up, the internal diameter of throat portion 602 slightly is less than the piston cylinder external diameter for 6 covers of gasbag assembly establish on piston cylinder assembly 2 when, throat portion 602 seal cover is established on the 2 outer walls of piston cylinder assembly, further, throat portion 602 overcoat is equipped with clamp 603, and clamp 603 further extrudees throat portion 602, makes 6 interior gases of gasbag assembly can not outwards reveal from throat portion 602. In order to achieve the deformation buffering effect of the air bag, the outer wall of the air bag tube 601 abuts against the inner wall of the liquid storage cylinder assembly 1, so that the liquid storage cylinder assembly 1 is divided into two cavity regions, namely a near end cavity region and a far end cavity region.

According to the structure, when the piston rod assembly 3 drives the restoring valve assembly 7 to slide towards the near end of the piston cylinder assembly 2, when the piston rod assembly 3 is used, a part of oil enters the right end cavity of the piston cylinder assembly 2 through the restoring valve assembly 7, most of the oil enters the near end cavity of the liquid storage cylinder assembly 1 through the oil seal fixing portion 9 under the driving of the restoring valve assembly 7, and the air bag assembly 6 divides the liquid storage cylinder assembly 1 into the near end cavity and the far end cavity, so that the pressure of the near end cavity of the liquid storage cylinder assembly 1 is high, the pressure of the far end cavity of the liquid storage cylinder assembly 1 is low, and the oil tends to flow from the near end cavity to the far end cavity. The oil in the near-end cavity extrudes the air bag assembly 6, the air bag assembly 6 deforms, the oil in the near-end cavity flows to the far-end cavity, and the oil in the far-end cavity enters the right end cavity of the piston cylinder assembly 2 through the compensating valve seat 5 and the compensating valve assembly 4. When the oil pressure in the liquid storage cylinder assembly 1 and the piston cylinder assembly 2 is recovered to be normal, the air bag assembly 6 is recovered to the original shape. When the piston rod assembly 3 drives the restoring valve assembly 7 to slide towards the far end of the piston cylinder assembly 2, the flow direction of the oil is reversed, which is not described herein.

further, the piston rod assembly structure further comprises an upper spring cover 10 and a spring pad 11, the upper spring cover 10 is fixed at the outer end of the piston rod assembly 3, the upper spring cover 10 and the piston rod assembly 3 are coaxially arranged, the upper spring cover 10 is similar to a cap body structure, and the end of the spiral spring 8 extends into the upper spring cover 10. The outer wall of the liquid storage cylinder assembly 1 is fixedly provided with a spring pad 11, and the spring pad 11 is fixedly welded with the outer wall of the liquid storage cylinder assembly 1 and used for blocking the end part of the spiral spring 8. In particular, the coil spring 8 is disposed between the spring cover 10 and the spring pad 11, so that the coil spring 8 acts as a cushion spring when the piston rod assembly 3 is compressed and slides within the piston cylinder.

in order to prevent impurities such as dust from entering the liquid reservoir assembly 1 through the end of the liquid reservoir assembly 1 during use, the liquid reservoir assembly further comprises a dust cover 12, the dust cover 12 is sleeved on the piston rod assembly 3, one end of the dust cover 12 is fixedly wrapped at the middle part of the piston rod assembly 3, and the end of the dust cover 12 can be fixedly connected with the piston rod assembly 3 by means of sticking and the like. The other end of the dust cover 12 is fixedly wrapped around the proximal end of the reservoir assembly 1. similarly, the dust cover 12 can be fixed to the end of the reservoir assembly 1 by means of, for example, adhesion. Specifically, the dust cap 12 may be a telescopic plastic cap structure, as shown, that is capable of compressing, deforming and returning with the sliding of the piston rod.

Further, a matching component of the steering damper is added, specifically, the steering damper further comprises a guide sleeve 13, and the guide sleeve 13 is fixedly sleeved on the near end part of the liquid storage cylinder assembly 1. Further comprises a bush 14, the outer end of the piston rod assembly 3 is fixed with the bush 14, and the distal end of the reservoir assembly 1 is fixed with the bush 14.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A steering shock absorber is characterized by comprising a liquid storage cylinder assembly, a piston rod assembly, a compensation valve seat, an air bag assembly, a recovery valve assembly, a spiral spring and an oil seal fixing portion, wherein the piston cylinder assembly is coaxially fixed in the liquid storage cylinder assembly, the air bag assembly is sleeved outside the piston cylinder assembly, the piston rod assembly is arranged in the piston cylinder assembly in a sliding mode, the compensation valve seat is fixed at the far end of the piston cylinder assembly, the compensation valve assembly is fixed on the compensation valve seat, the oil seal fixing portion is arranged at the near end of the piston cylinder assembly, the recovery valve assembly is fixed at the inner end of the piston rod assembly, and the spiral spring is arranged between the outer end of the piston rod assembly and the liquid storage cylinder assembly.

2. The steering damper according to claim 1, wherein the airbag assembly comprises an airbag tube, a necking portion and a clamp, the airbag tube and the piston cylinder assembly are coaxially arranged, the necking portion is integrally formed at two ends of the airbag tube, the necking portion is arranged on the outer wall of the piston cylinder assembly in a sealing manner, the clamp is sleeved outside the necking portion, the outer wall of the airbag tube abuts against the inner wall of the liquid storage cylinder assembly, and an air cavity is formed between the airbag tube and the piston cylinder assembly.

3. The steering damper according to claim 2, further comprising a spring upper cover and a spring pad, wherein the spring upper cover is fixed to the outer end portion of the piston rod assembly, the spring pad is fixed to the outer wall of the reservoir assembly, and the coil spring is interposed between the spring upper cover and the spring pad.

4. The steering damper according to claim 3, further comprising a dust cover, wherein the dust cover is disposed over the piston rod assembly, one end of the dust cover is fixedly wrapped around the middle portion of the piston rod assembly, and the other end of the dust cover is fixedly wrapped around the proximal end of the reservoir assembly.

5. The steering damper as in claim 4, further comprising a guide sleeve fixedly attached to said proximal end portion of said reservoir assembly.

6. The steering damper according to claim 5, further comprising a bush, wherein the bush is fixed to an outer end portion of the piston rod assembly, and wherein the bush is fixed to a distal end portion of the reservoir assembly.