CN221137603U

CN221137603U - Rubber suspension assembly and vehicle

Info

Publication number: CN221137603U
Application number: CN202323095196.0U
Authority: CN
Inventors: 平立芳; 佘振成; 杨林; 马洪磊; 田伟丛
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-06-14
Anticipated expiration: 2033-11-16

Abstract

The utility model provides a rubber suspension assembly and a vehicle, which belong to the technical field of vehicles and comprise: the middle of the suspension framework is provided with an upper mounting hole; the main springs are symmetrically arranged on two sides of the suspension framework by taking the mounting hole as the center; the bracket arm is arranged in the upper mounting hole. The suspension assembly with the main springs is symmetrically and separately arranged, so that the problem that the main springs are damaged and invalid due to concentrated transmission of exciting force is avoided, the service life of the suspension assembly is prolonged, and further, the faults of a vehicle caused by the invalid suspension assembly and the maintenance cost caused by replacing the suspension assembly are reduced.

Description

Rubber suspension assembly and vehicle

Technical Field

The utility model belongs to the technical field of vehicles, and particularly relates to a rubber suspension assembly and a vehicle.

Background

The vehicle engine is connected with the frame through the suspension assembly, and is one of effective ways for reducing tremble and noise in the vehicle.

At present, the suspension assembly generally adopts a connection mode that a single main spring and a bracket are directly vulcanized into a whole, and exciting force is transmitted to the bracket in a concentrated way through the main spring. In the connection mode, because the force transmission path is concentrated, the exciting force borne by the main spring is concentrated, and the repeated action of the exciting forces with different intensities is carried out for a long time, so that the vibration reduction fatigue failure of the main spring is easily caused, and the service life of the suspension assembly is influenced.

Disclosure of utility model

The embodiment of the utility model provides a rubber suspension assembly and a vehicle, and aims to solve the problems that vibration absorption failure is easy to cause and the service life is short due to the fact that exciting force born by the conventional suspension assembly is concentrated.

In order to achieve the above object, the present utility model adopts the following technical scheme: there is provided a rubber suspension assembly comprising: the device comprises a suspension framework, a main spring and a bracket arm, wherein an upper mounting hole is formed in the middle of the suspension framework; the main springs are symmetrically arranged on two sides of the suspension framework by taking the upper mounting hole as a center; the bracket arm is arranged in the upper mounting hole.

With reference to the first aspect, in one implementation manner, the suspension skeleton includes an upper pressing plate and a lower pressing plate, and the upper mounting hole is integrally formed above the upper pressing plate; the lower pressure plate is positioned below the upper pressure plate, and the main springs are symmetrically connected between the upper pressure plate and the lower pressure plate.

With reference to the first aspect, in one implementation manner, the upper pressing plate and the lower pressing plate are both arch structures that arch upwards; the main springs are symmetrically arranged in a splayed shape.

With reference to the first aspect, in one implementation manner, the suspension skeleton further includes a limit post disposed below the upper pressing plate, where the limit post is located below the upper mounting hole; the lower pressing plate is provided with a limiting hole through which the limiting column passes, and a limiting sleeve is arranged between the limiting column and the limiting hole.

With reference to the first aspect, in one implementation manner, the suspension skeleton further includes a limit nut, where the limit nut is screwed to an end of the limit post extending out of the lower pressing plate.

With reference to the first aspect, in one implementation manner, the limit sleeve is provided with a fit section in the limit hole in an interference fit manner and a limit check ring stopped outside the limit hole, an annular clamping groove is formed in the fit section, a clamping ring is arranged in the annular clamping groove, and the clamping ring and the limit check ring are respectively abutted to the upper surface and the lower surface of the lower pressure plate; the limit post is in interference fit with the limit sleeve.

With reference to the first aspect, in one implementation manner, the limiting post is integrally formed with the upper pressing plate.

With reference to the first aspect, in one implementation manner, the upper pressing plate is provided with an upper flat plate section and upper inclined plate sections symmetrically connected to two ends of the upper flat plate section, the upper mounting hole is formed in the upper flat plate section, and the upper inclined plate sections incline towards the lower pressing plate; the lower pressing plate is provided with a lower flat plate section and lower inclined plate sections symmetrically connected to two ends of the lower flat plate section, the limiting holes are formed in the lower flat plate section, and the lower inclined plate sections are parallel to the upper inclined plate sections; the main spring is vertically connected between the upper inclined plate section and the lower inclined plate section.

With reference to the first aspect, in one implementation manner, the upper pressing plate, the lower pressing plate and the main spring are vulcanized as a whole.

Compared with the prior art, the rubber suspension assembly provided by the utility model has the beneficial effects that: the main springs are symmetrically arranged on the suspension framework, the supporting arms are arranged on the suspension framework and positioned in the middle of the main springs, the supporting arms are not in direct contact with the main springs, exciting force is transmitted to the suspension framework through the supporting arms and is transmitted to the main springs at different positions along two paths of the suspension framework, and the problem of fatigue failure of the main springs caused by concentration of the exciting force is avoided, the strength of the exciting force is attenuated, the damage of the strength of the exciting force to the main springs is reduced, and the service life of the suspension assembly is prolonged; secondly, the bracket arm and the suspension framework can be reliably and firmly connected together, and the problem of connection failure caused by direct connection of the bracket arm and the main spring is avoided; furthermore, compared with a single main spring design, the split main spring design can reduce the size of the main spring, particularly the size of the main spring in the force transmission direction, so that the size of the whole suspension assembly in the force transmission direction is reduced, and the arrangement of the suspension assembly is facilitated.

In a second aspect, embodiments of the present utility model also provide a vehicle including the rubber suspension assembly.

The vehicle provided by the embodiment of the utility model adopts the suspension assembly with the main springs symmetrically and separately, so that the problem of fatigue damage failure of the main springs caused by concentrated transmission of exciting force is avoided, the service life of the suspension assembly is prolonged, and further, the faults of the vehicle caused by failure of the suspension assembly and the maintenance cost caused by replacement of the suspension assembly are reduced.

Drawings

FIG. 1 is a schematic perspective view of a rubber suspension assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded view of a rubber suspension assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a front view of a rubber suspension assembly according to an embodiment of the present utility model;

Fig. 4 is a schematic perspective view of a suspension skeleton according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of an upper platen according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a stop collar according to an embodiment of the present utility model;

fig. 7 is a schematic perspective view of a lower platen according to an embodiment of the present utility model;

Reference numerals illustrate:

1. A bracket arm; 2. an upper press plate; 21. an upper mounting hole; 22. a limit column; 23. an upper sloping plate section; 24. an upper plate section; 3. a main spring; 4. a lower pressing plate; 41. a lower sloping plate section; 411. a lower mounting hole; 42. a lower plate section; 421. a limiting hole; 5. a limit nut; 6. a limit sleeve; 61. a limit retainer ring; 62. a mating section; 621. an annular clamping groove; 622. a buffer block; 63. and a collar.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a rubber suspension assembly according to the present utility model will be described. The rubber suspension assembly includes: the suspension framework, the main spring 3 and the bracket arm 1 are provided with an upper mounting hole 21 in the middle; the main springs 3 are symmetrically arranged on two sides of the suspension framework by taking the mounting holes 21 as the center; the bracket arm 1 is mounted in the upper mounting hole 21.

According to the rubber suspension assembly provided by the utility model, the main springs 3 are symmetrically arranged on the suspension framework, the supporting arms 1 are arranged on the suspension framework and positioned in the middle of the main springs 3, and are not in direct contact with the main springs 3, exciting force is transmitted to the suspension framework through the supporting arms 1 and is transmitted to the main springs 3 at different positions along two paths of the suspension framework, and through force decomposition and extension of a force transmission path, the problem of fatigue failure of the main springs 3 caused by concentration of the exciting force is avoided, the intensity of the exciting force is attenuated, the damage of the intensity of the exciting force to the main springs 3 is reduced, and the service life of the suspension assembly is prolonged; secondly, the bracket arm 1 and the suspension framework can be reliably and firmly connected together, and the problem of connection failure caused by direct connection of the bracket arm 1 and the main spring 3 is avoided; moreover, compared with the single main spring 3, the split design of the main spring 3 can reduce the size of the main spring 3, particularly the size of the main spring 3 in the force transmission direction, so that the size of the whole suspension assembly in the force transmission direction is reduced, the arrangement of the suspension assembly is facilitated, and the arrangement space adaptability is high.

The main spring 3 is made of elastic material such as rubber material or silica gel material.

The bracket arm 1 is pressed into the upper mounting hole 21, and the upper mounting hole 21 is matched with the cross-sectional shape of the bracket arm 1.

The symmetrically arranged main springs can be divided into several ways: first, two main springs may be symmetrically arranged, in which case, two main springs are respectively disposed on two sides of the upper mounting hole 21 as the center; in the second case, four main springs may be symmetrically arranged, and two main springs are respectively disposed on both sides of the center of the upper mounting hole 21. The symmetrical arrangement of the main springs ensures the consistency of the force transmission paths and the force transmission strength at two sides; as such, the number of symmetrical main springs may not be limited to the illustrated embodiments.

In some embodiments, as shown in fig. 1 to 4, the suspension skeleton includes an upper platen 2 and a lower platen 4, and an upper mounting hole 21 is integrally formed above the upper platen 2; the lower pressure plate 4 is positioned below the upper pressure plate 2, and the main springs 3 are symmetrically connected between the upper pressure plate 2 and the lower pressure plate 4. The clamping of the upper pressing plate 2 and the lower pressing plate 4 forms reliable limit to the force transmission direction of the main spring 3, and the connection firmness of the main spring 3 is improved.

Wherein, the two ends of the lower pressing plate 4 are symmetrically provided with lower mounting holes 411 for connecting with a frame, exciting force is transmitted from the supporting arm 1 to the upper pressing plate 2, decomposed and transmitted to two sides along the middle of the upper pressing plate 2, and transmitted to the lower pressing plate 4 after being damped by the main spring 3, and then transmitted to the positions of the lower mounting holes 411 along the lower pressing plate 4. The transmission of the force is in an S-shaped bent route, so that the damping effect of the exciting force is greatly improved, and the strength of the exciting force is reduced, thereby having good vibration reduction and noise reduction effects.

Further, as shown in fig. 1 to 5 and 7, the upper platen 2 and the lower platen 4 are each in an arch structure that arches upward; the symmetrical main springs 3 are arranged in a splayed shape. The upper pressing plate 2 and the lower pressing plate 4 are of arch structures, and can firstly improve the structural rigidity of the upper pressing plate and the lower pressing plate, so that the integral deformation resistance of the suspension assembly is improved; secondly, through the arch structure, the length of the force transmission route is prolonged, and then the vibration reduction and noise reduction effects of the suspension assembly are improved.

Further, as shown in fig. 1 to 5, the suspension skeleton further includes a limit post 22 disposed below the upper platen 2, and the limit post 22 is located below the upper mounting hole 21; the lower pressure plate 4 is provided with a limiting hole 421 through which the limiting column 22 passes, and a limiting sleeve 6 is arranged between the limiting column 22 and the limiting hole 421. Through the cooperation of parts such as spacing post 22, stop collar 6, have X, Y, Z to limit function to top board 2 and holding down plate 4. Meanwhile, the limit column 22 can be regarded as a third force transmission route, and the strength of exciting force is dispersed together with the force transmission route of the main springs 3 at two sides of the limit column.

The stop collar 6 is made of elastic material, such as rubber or silica gel.

In some embodiments, as shown in fig. 1 to 5, the suspension skeleton further includes a limit nut 5, where the limit nut 5 is screwed to an end of the limit post 22 extending out of the lower platen 4. The limiting nut 5 can prevent falling of the limiting sleeve 6 on one hand, and can ensure the relative position of the lower pressing plate 4 and the upper pressing plate 2 on the other hand, so that the integrity of the suspension assembly is improved. The lower end of the limiting post 22 is provided with a threaded section, and a gasket is further arranged between the limiting nut 5 and the limiting sleeve 6.

In some embodiments, as shown in fig. 1 to 7, the stop collar 6 has a matching section 62 in the stop hole 421 in an interference fit manner and a stop collar 61 stopped outside the stop hole 421, an annular clamping groove 621 is provided on the matching section 62, a collar 63 is provided in the annular clamping groove 621, and the collar 63 and the stop collar 61 are respectively abutted against the upper surface and the lower surface of the lower pressure plate 4; the limit post 22 is in interference fit in the limit sleeve 6. The retainer ring 63 and the retainer ring 61 play a role in limiting the force transmission direction of the stop collar 6.

The stop collar 6 is assembled with the lower pressing plate 4 through interference fit and fixed through the clamping ring 63, and when the stop collar 6 is damaged, the clamping ring 63 can be taken down, the stop block is replaced, and the maintenance cost is reduced.

Preferably, the two axial end surfaces of the limit sleeve 6 are respectively provided with a convex buffer block 622, so that the vibration reduction and absorption effects are good.

In some embodiments, as shown in fig. 5, the stopper post 22 is integrally formed with the upper platen 2. Specifically, the upper pressing plate 2 and the lower pressing plate 4 are cast by adopting a casting process, and the materials can be cast iron or cast aluminum according to the strength requirement. The limit post 22 can be integrally cast with the upper pressing plate 2 through a casting process, and a complex assembly structure can be realized without a welding process. The limit post 22 and the upper pressing plate 2 are integrally cast and formed, so that the integral rigidity is good, the strength support can be provided for the bracket arm 1, and the integral structural strength of the suspension assembly is also improved. And the casting process is simple, the manufacturing cost is low, and the reduction of the manufacturing cost of the whole vehicle is facilitated.

In some embodiments, as shown in fig. 5 and 7, the upper platen 2 has an upper plate section 24 and upper inclined plate sections 23 symmetrically connected to both ends of the upper plate section 24, the upper mounting holes 21 are provided on the upper plate section 24, and the upper inclined plate sections 23 are inclined toward the lower platen 4; the lower platen 4 has a lower plate section 42 and lower inclined plate sections 41 symmetrically connected to both ends of the lower plate section 42, and a limiting hole 421 is provided in the lower plate section 42, and the main spring 3 is vertically connected between the upper inclined plate section 23 and the lower inclined plate section 41.

This arch-like structure of the upper platen 2, resembling an isosceles trapezoid, the upper platen section 24 provides a flat support surface for the bracket arm 1; the structure of the lower pressing plate 4 is similar to that of the upper pressing plate 2, and all parts of the upper pressing plate 2 and the lower pressing plate 4 are correspondingly arranged in parallel one by one, so that the consistency of the transmission force intensity of the main springs 3 at two sides of the limiting column 22 is ensured; the length of the upper platen 2 is shorter than that of the lower platen 4, two lower mounting holes 411 need to be provided at two ends of the lower platen 4, and the upper platen 2 only needs to be connected with the bracket arm 1 in the middle.

In some embodiments, as shown in fig. 1 to 3, the upper and lower platens 2, 4 are vulcanized integrally with the main spring 3. The vulcanizing is integrated, so that the integrity is good and the connection is firm.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.

Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the rubber suspension assembly.

According to the vehicle provided by the embodiment of the utility model, the suspension assembly with the main springs 3 is symmetrically and separately arranged, so that the problem that the main springs 3 are damaged and invalid due to concentrated transmission of exciting force is avoided, the service life of the suspension assembly is prolonged, and further, the faults of the vehicle caused by the invalid suspension assembly and the maintenance cost caused by replacing the suspension assembly are reduced.

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, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A rubber suspension assembly comprising:

the middle of the suspension framework is provided with an upper mounting hole (21);

The main springs (3) are symmetrically arranged on two sides of the suspension framework by taking the upper mounting holes (21) as the center; and

And the bracket arm (1) is arranged in the upper mounting hole (21).

2. The rubber suspension assembly according to claim 1, wherein the suspension skeleton comprises an upper pressure plate (2) and a lower pressure plate (4), and the upper mounting hole (21) is integrally formed above the upper pressure plate (2); the lower pressing plate (4) is located below the upper pressing plate (2), and the main springs (3) are symmetrically connected between the upper pressing plate (2) and the lower pressing plate (4).

3. A rubber suspension assembly as in claim 2, wherein the upper platen (2) and the lower platen (4) are each of an upwardly arched structure; the symmetrical main springs (3) are arranged in a splayed shape.

4. The rubber suspension assembly according to claim 2, wherein the suspension backbone further comprises a limit post (22) arranged below the upper platen (2), the limit post (22) being located below the upper mounting hole (21); the lower pressing plate (4) is provided with a limiting hole (421) through which the limiting column (22) passes, and a limiting sleeve (6) is arranged between the limiting column (22) and the limiting hole (421).

5. The rubber suspension assembly according to claim 4, wherein the suspension skeleton further comprises a limit nut (5), and the limit nut (5) is screwed to one end of the limit post (22) extending out of the lower pressure plate (4).

6. The rubber suspension assembly according to claim 4, wherein the limit sleeve (6) is provided with a matching section (62) in the limit hole (421) in an interference fit manner and a limit check ring (61) stopped outside the limit hole (421), an annular clamping groove (621) is formed in the matching section (62), a clamping ring (63) is arranged in the annular clamping groove (621), and the clamping ring (63) and the limit check ring (61) are respectively abutted against the upper surface and the lower surface of the lower pressure plate (4); the limiting post (22) is in interference fit with the limiting sleeve (6).

7. A rubber suspension assembly according to claim 4, wherein the limit post (22) is integrally formed with the upper platen (2).

8. The rubber suspension assembly according to claim 4, wherein the upper pressing plate (2) is provided with an upper flat plate section (24) and upper inclined plate sections (23) symmetrically connected to two ends of the upper flat plate section (24), the upper mounting holes (21) are formed in the upper flat plate section (24), and the upper inclined plate sections (23) incline towards the lower pressing plate (4); the lower pressing plate (4) is provided with a lower flat plate section (42) and lower inclined plate sections (41) symmetrically connected to two ends of the lower flat plate section (42), the limiting holes (421) are formed in the lower flat plate section (42), and the lower inclined plate sections (41) are parallel to the upper inclined plate sections (23); the main spring (3) is vertically connected between the upper inclined plate section (23) and the lower inclined plate section (41).

9. A rubber suspension assembly according to claim 2, characterized in that the upper platen (2), the lower platen (4) are vulcanized in one piece with the main spring (3).

10. A vehicle comprising a rubber suspension assembly as claimed in any one of claims 1 to 9.