CN215096864U

CN215096864U - Automobile front overhang pillar assembly

Info

Publication number: CN215096864U
Application number: CN202120336263.5U
Authority: CN
Inventors: 陈勇; 周智锋; 黄建霖; 伍刚; 黄忠云
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Liuzhou Wuling Motors Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-10
Anticipated expiration: 2031-02-05

Abstract

The utility model provides a structure of automobile front overhang pillar, include: shock absorber, coil spring, stopper and buffer, buffer fixed arrangement is on the top of shock absorber, the stopper is arranged at the buffer lower extreme and is fixed with buffer through the bolt, the outer wall of stopper still fixed arrangement has the sheath, the sheath wear the cover on the shock absorber and with shock absorber fixed connection, coil spring wears the cover on the shock absorber and through spring housing and shock absorber fixed connection, the utility model provides a suspension strut assembly before the car makes rubber cushion compression variation reduce, and each inside part of buffer can not produce striking, abnormal sound, finally guarantees that buffer's life can satisfy the user demand of vehicle, guarantees that the whole working property of suspension strut assembly is stable, reliable before guaranteeing, guarantees the stability and the ride comfort of whole car.

Description

Automobile front overhang pillar assembly

Technical Field

The utility model belongs to the technical field of the supporting subassembly of motor vehicle, concretely relates to car front overhang pillar assembly.

Background

The front suspension strut assembly of the automobile is a key component of the whole automobile, is an important component of a suspension system, integrates important parts such as a shock absorber, a spiral spring, a limiting block, a dust cover and a buffering block and determines the smoothness and comfort of the whole automobile.

The existing automobile front suspension strut assembly has the main functions of buffering and vibration damping in working engineering, and due to the fact that the existing buffering block part is lack of necessary structural protection, the problem of cracking failure is easily caused when the automobile front suspension strut assembly runs on a severe road condition, the working stress condition of the front suspension strut assembly is worsened, a series of failure problems of eccentric wear and damage of a piston of a vibration damper, oil leakage caused by damage of an oil seal and abnormal sound of the vibration damper are caused, and adverse effects are further caused on the running stability and the smoothness of the whole automobile. Therefore, how to avoid the problem that the buffer block of the front suspension strut assembly of the automobile cracks so as to ensure the stable and reliable overall working performance of the front suspension strut assembly is an important technical problem to be solved by technical personnel in the field at present.

Chinese grant publication No. CN204354758U discloses a "motor vehicle and its front suspension strut assembly", which includes a shock absorber, the top end of the shock absorber is connected with a front suspension support, a buffer rubber pad and a spring seat, the middle part of the shock absorber is sleeved with a coil spring matched with the spring seat, the middle part of the shock absorber is also coaxially sleeved with a buffer block, the outer peripheral part of the buffer block is coaxially sleeved with a sheath, and the top end of the sheath and the spring seat can be fixed in linkage. It can be seen that, in the prior art, only the jacket is sleeved on the peripheral part of the buffer block, so that the deformation range of the buffer block can be controlled within the internal space range of the jacket, and the cracking of the buffer block is avoided without considering the problems of abrasion and cracking caused by the insufficient rigidity of the buffer device containing the rubber cushion block.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suspension post assembly before car aims at solving among the prior art the problem that the buffer rigidity of suspension post assembly is less, rubber pad piece wearing and tearing and fracture.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a suspension post assembly before car, include: shock absorber, coil spring, stopper and buffer, buffer fixes arranging on the top of shock absorber, the stopper is arranged at the buffer lower extreme and is fixed with buffer through the bolt, the outer wall of stopper has still fixed the arrangement to have the sheath, the sheath is worn to overlap on the shock absorber and with shock absorber fixed connection, coil spring wears to overlap on the shock absorber and through spring housing and shock absorber fixed connection, its characterized in that:

the buffer device includes: the front suspension support is of a hollow structure with openings in the top surface and the bottom surface, the retainer hub frame is fixedly connected with the support tray, and the rubber cushion block is fixedly arranged between the front suspension support and the support tray and is sleeved on the outer wall of the retainer hub frame in a penetrating manner.

As a further improvement of the present invention, the present invention further comprises: and the circular sleeve is arranged at the opening of the top surface inside the front suspension bracket and is welded and fixed with the top surface inside the front suspension bracket.

As a further improvement of the utility model, the outer surface of the front suspension support is in the shape of a stepped circular truncated cone.

As a further improvement of the present invention, the retainer hub is welded to the support tray.

The utility model has the advantages that:

1. the utility model provides a suspension post assembly before car makes rubber cushion block compression variation volume reduce, and each inside part of buffer can not produce striking, abnormal sound, and the final life who guarantees buffer can satisfy the user demand of vehicle, guarantees that the whole working property of suspension post assembly is stable, reliable before the assurance, guarantees the stability and the ride comfort of whole car.

2. The utility model provides a suspension strut assembly before car, buffer's key important technical parameter such as axial rigidity, radial stiffness, beat rigidity all can realize having improved 2 ~ 3 times.

Drawings

Fig. 1 is a schematic structural view of the front suspension strut assembly of the present invention.

Fig. 2 is a schematic structural diagram of the buffering device of the present invention.

Fig. 3 is a schematic structural diagram of the front suspension support of the present invention.

Fig. 4 is a schematic structural view of the support tray of the present invention.

In the figure: 100-damping device, 101-front suspension mount, 102-retainer hub, 103-circular sleeve, 104-support tray, 105-rubber cushion block, 200-vibration absorber, 300-stopper, 400-spring housing, 500-coil spring, 600-sheath.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the present invention is further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The embodiment of the utility model provides an in the embodiment provide an automobile front overhang pillar assembly, as shown in fig. 1, include: the shock absorber comprises a shock absorber 200, a spiral spring 500, a limiting block 300 and a buffering device 100, wherein the buffering device 100 is fixedly arranged at the top end of the shock absorber 200, the limiting block 300 is arranged at the lower end of the buffering device 100 and is fixed with the buffering device 100 through a bolt, a sheath 600 is further fixedly arranged on the outer wall of the limiting block 300, the sheath 600 is sleeved on the shock absorber 200 in a penetrating manner and is fixedly connected with the shock absorber 200, and the spiral spring 500 is sleeved on the shock absorber 200 in a penetrating manner and is fixedly connected with the shock absorber 200 through a spring shell 400; in order to further improve the buffering and vibration damping effects, the adopted buffering device 100 comprises: the suspension device comprises a front suspension support 101, a stopper hub bracket 102, a rubber cushion block 105 and a support tray 104, wherein the inside of the front suspension support 101 is of a hollow structure with openings on the top surface and the bottom surface, and the stopper hub bracket 102 is fixedly connected with the support tray 104; a flanging structure at the opening of the retainer hub frame 102 is cancelled to manufacture a straight structure; the rubber cushion block 105 is fixedly arranged between the front suspension support seat 101 and the support tray 104 and is sleeved on the outer wall of the retainer hub frame 102 in a penetrating mode, through the structural design, the compression variation of the rubber cushion block 105 is reduced, parts in the buffer device 100 cannot generate impact and abnormal sound, the service life of the buffer device 100 can meet the use requirement of a vehicle, the overall working performance of the front suspension support column assembly is stable and reliable, and the running stability and the smoothness of the whole vehicle are guaranteed.

In one embodiment, in order to further improve the damping effect of the front suspension bracket 101 and improve the overall structural rigidity, a circular sleeve 103 may be further added, the circular sleeve 103 is arranged at the opening of the top surface inside the front suspension bracket 101 and is welded and fixed with the top surface inside the front suspension bracket 101, and the circular sleeve 103 is seam-welded with the front suspension bracket 101; due to the arrangement of the rubber cushion block 105, when the circular sleeve 103 and the front suspension support 101 jointly act on the rubber cushion block 105, a better buffering and vibration damping effect can be achieved, and in addition, the arrangement of the circular sleeve 103 can also improve the overall structural rigidity of the buffering device 100.

In one embodiment, the outer surface of the front suspension mount 101 is in the shape of a stepped frustum.

In one embodiment, the retainer hub 102 is welded to the support tray 104, and the retainer hub 102 and the support tray 104 can be seam welded and then the seam is polished to a smooth condition to make the structure more stable.

Reference in the specification to "some embodiments," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with a feature, structure, or characteristic of one or more other embodiments without limitation, as long as the combination is not logical or operational. Additionally, the various elements of the drawings of the present application are merely schematic illustrations and are not drawn to scale.

Having thus described several aspects of at least one embodiment of this invention, it is to be appreciated various alterations, modifications, and improvements will readily occur to those skilled in the art. Such alterations, modifications, and improvements are intended to be within the spirit and scope of the invention.

Claims

1. An automotive front suspension strut assembly comprising: shock absorber, coil spring, stopper and buffer, buffer fixes arranging on the top of shock absorber, the stopper is arranged at the buffer lower extreme and is fixed with buffer through the bolt, the outer wall of stopper has still fixed the arrangement to have the sheath, the sheath is worn to overlap on the shock absorber and with shock absorber fixed connection, coil spring wears to overlap on the shock absorber and through spring housing and shock absorber fixed connection, its characterized in that:

2. The automotive front suspension strut assembly of claim 1, further comprising: and the circular sleeve is arranged at the opening of the top surface inside the front suspension bracket and is welded and fixed with the top surface inside the front suspension bracket.

3. The automotive front suspension strut assembly of claim 1 or 2, wherein: the outer surface of the front suspension bracket is in a step truncated cone shape.

4. The automotive front suspension strut assembly of claim 1 or 2, wherein: the retainer hub is welded to the support tray.