CN211364191U

CN211364191U - Noise reduction wheel assembly for suspension system of vehicle and suspension system

Info

Publication number: CN211364191U
Application number: CN201922481846.2U
Authority: CN
Inventors: 夏浩文; 梁荣朝; 高立军; 李红艳; 尤立生; 陈刚
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd; Geely Sichuan Commercial Vehicle Co Ltd; Jiangxi Geely New Energy Commercial Vehicle Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-28
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a wheel subassembly and suspension system of making an uproar falls for suspension system of vehicle relates to the vehicle chassis field. The noise reduction wheel assembly comprises a noise reduction wheel and a bracket. The noise reduction wheel comprises a metal wheel and at least one rubber wheel, wherein the at least one rubber wheel is sleeved on the outer wall of the metal wheel and is used for being in contact with a plate spring of the vehicle so as to reduce friction noise of the plate spring. The support is used for connecting the noise reduction wheel to the frame of the vehicle. The utility model discloses a scheme can increase the riding comfort.

Description

Noise reduction wheel assembly for suspension system of vehicle and suspension system

Technical Field

The utility model relates to a vehicle chassis field especially relates to a wheel subassembly and suspension system of making an uproar falls for suspension system of vehicle.

Background

In the prior art, a device for filling a noise reduction sheet between plate reeds is adopted to reduce the friction noise between the plate reeds, and the noise reduction sheet is generally made of materials for reducing collision noise such as rubber and the like, so that the operation sound of a vehicle suspension can be reduced. The noise reduction sheet is fixedly connected with the noise reduction sheet support, the noise reduction sheet support is fixedly connected with the frame, and the plate spring bears and presses the noise reduction sheet. When the plate spring bears pressure and is impacted, the plate spring can reciprocate relative to the pressure-bearing surface of the noise reduction piece, so that the plate spring and the noise reduction piece can carry out sliding friction. However, after the noise reduction sheet is additionally arranged, the friction force between the plate spring pieces can be increased, particularly when the instantaneous dynamic load is increased in the operation of the plate spring, the friction force is instantaneously increased, the dynamic rigidity of the suspension is greatly increased, and the riding comfort is influenced. In addition, the noise reduction plate is severely worn due to the increase of the friction force, so that the noise reduction plate needs to be frequently replaced in the using process, thereby increasing the cost and influencing the using experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can increase the wheel subassembly of making an uproar that falls of riding comfort.

A further object of the utility model is to provide a higher noise reduction wheel subassembly of wearability to reduce use cost.

In particular, the present invention provides a noise reducing wheel assembly for a suspension system of a vehicle, comprising:

the noise reduction wheel comprises a metal wheel and at least one rubber wheel, and the at least one rubber wheel is sleeved on the outer wall of the metal wheel and is used for being in contact with a plate spring of the vehicle so as to reduce the friction noise of the plate spring;

and the bracket is used for connecting the noise reduction wheel to the frame of the vehicle.

Optionally, the rubber wheel and the metal wheel are both cylindrical, and the rubber wheel is vulcanized on the outer wall of the metal wheel.

Optionally, the noise reduction wheel is hinged to the support.

Optionally, the noise reduction wheel comprises a rubber wheel extending over an outer wall of the metal wheel.

Optionally, the noise reduction wheel comprises a plurality of rubber wheels, and the plurality of rubber wheels are arranged on the outer wall of the metal wheel at intervals along the axial direction of the metal wheel.

Optionally, the noise reduction wheel is configured to form rolling friction with the leaf spring when it is in operation.

Optionally, the bracket is provided with a plurality of through holes, and the through holes are used for penetrating bolts to connect the bracket with the vehicle.

Optionally, a through hole is formed in the center of the metal wheel;

the support face fall the wheel one side of making an uproar and stretch out and have the installation axle, the tip that the installation axle stretches out is provided with the screw thread, the installation axle is worn to locate in the perforating hole and screw up through the nut, with will fall the wheel of making an uproar and install on the support.

Optionally, a concave portion is arranged on the periphery of the metal wheel, the concave portion is used for placing the rubber wheel, and the outer diameter of the rubber wheel is larger than the maximum outer diameter of the metal wheel by a preset value.

In particular, the present invention also provides a suspension system comprising said noise reduction wheel assembly for a suspension system of a vehicle.

The utility model discloses a scheme has cancelled the piece of making an uproar of falling between the installation among the prior art and the leaf spring piece, falls the wheel subassembly through designing one kind and realizes reducing the friction noise of leaf spring, should fall the wheel subassembly of making an uproar and include metal wheel and rubber wheel including falling the wheel of making an uproar and support, fall the wheel of making an uproar again, the metal wheel plays the supporting role, and the rubber wheel plays the friction effect that falls. In the actual motion in-process, the rubber tyer that sets up at the metal wheel outer wall contacts prior to the leaf spring, and the deformation allowance that provides at the rubber tyer is used up the back, and the metal wheel just contacts with the leaf spring, so can effectively reduce the noise of leaf spring. Furthermore, the noise reduction wheel is designed into a wheel shape, so that the dynamic stiffness of the plate spring can be greatly reduced, the riding comfort is improved, the abrasion to the rubber material is small, and the labor cost and the material cost caused by frequent replacement of the rubber material are reduced.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of a noise reduction wheel according to an embodiment of the present invention;

fig. 2 is a schematic view of a noise reduction wheel assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of a noise reduction wheel according to an embodiment of the present invention in a load-bearing state along a radial cross section thereof;

fig. 4 is a schematic view of a noise reduction wheel load state along an axial cross-section thereof according to an embodiment of the present invention;

fig. 5 is a schematic view of a noise reduction wheel contact state along an axial cross section thereof according to an embodiment of the present invention;

fig. 6 is a schematic view of a noise reduction wheel according to another embodiment of the present invention;

fig. 7 is a schematic view of an axial cross-section of a noise reduction wheel according to yet another embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic view of a noise reduction wheel according to an embodiment of the present invention. Fig. 2 is a schematic view of a noise reduction wheel assembly according to an embodiment of the present invention. As shown in fig. 1 and 2, the present invention provides a noise reduction wheel assembly for a suspension system of a vehicle, including a noise reduction wheel 10 and a bracket 20. The noise reduction wheel 10 includes a metal wheel 11 and at least one rubber wheel 12, and the at least one rubber wheel 12 is sleeved at an outer wall of the metal wheel 11 for contacting with a plate spring 30 of a vehicle to reduce friction noise of the plate spring 30. The bracket 20 is used to attach the noise reduction wheel 10 to the frame 40 of the vehicle.

The scheme of this embodiment has cancelled the piece of making an uproar that falls between the installation among the prior art and the leaf spring 30 piece, falls the wheel 10 subassembly of making an uproar through designing one kind and realizes reducing the friction noise of leaf spring 30, should fall the wheel 10 subassembly of making an uproar and fall wheel 10 and support 20 including making an uproar, fall the wheel 10 of making an uproar and include metal wheel 11 and rubber wheel 12 again, and metal wheel 11 plays the supporting role, is equivalent to the skeleton, and rubber wheel 12 plays the friction effect that falls. In the actual operation process, the rubber wheel 12 that sets up at the metal wheel 11 outer wall is preceding the contact of leaf spring 30, and after the deformation allowance that rubber wheel 12 provided was used up, metal wheel 11 just contacted with leaf spring 30, through the design of rubber wheel 12, can guarantee that metal wheel 11 does not slide friction with leaf spring 30, so can effectively reduce leaf spring 30's noise. In the embodiment, the rubber wheel 12 is attached to the plate spring 30 through deformation without relative twisting, so that the abrasion to the rubber wheel 12 can be reduced, and the service life of the rubber wheel 12 is further prolonged. The noise reduction wheel 10 is designed into a wheel shape, so that the dynamic stiffness of the plate spring 30 can be greatly reduced, the riding comfort is improved, the abrasion to rubber materials is small, and the labor cost and the material cost caused by frequent replacement of the rubber materials are reduced.

Fig. 3 is a schematic view of a noise reduction wheel 10 according to an embodiment of the present invention in a load-bearing state along a radial section thereof. As shown in fig. 3, the rubber wheel 12 and the metal wheel 11 are both cylindrical, and the rubber wheel 12 is vulcanized on the outer wall of the metal wheel 11. In the actual operation process, the rubber wheel 12 arranged on the outer wall of the metal wheel 11 is contacted with the plate spring 30 in advance, and after the deformation allowance provided by the rubber wheel 12 is used up, the metal wheel 11 is contacted with the plate spring 30, so that the noise of the plate spring 30 can be effectively reduced. In the present embodiment, the rubber wheel 12 is vulcanized on the metal wheel 11 to increase the connection tightness between the two. In other embodiments, the rubber wheel 12 can be adhered to the metal wheel 11 by strong adhesion, which is simple to operate, but the tightness of the connection between the rubber wheel 12 and the metal wheel 11 is not as good as vulcanization.

Fig. 4 is a schematic view of a noise reduction wheel 10 in its load-bearing state along its axial cross-section according to an embodiment of the present invention. Fig. 5 is a schematic view of a contact state of the noise reduction wheel 10 along an axial cross section thereof according to an embodiment of the present invention. As can be seen from a comparison between fig. 4 and fig. 5, the rubber wheel 12 is configured to have a certain deformation margin (as shown in a portion between two arrows a in fig. 5), and the metal wheel 11 is in contact with the plate spring 30 only after the deformation margin provided by the rubber wheel 12 is used up, so that the noise of the plate spring 30 can be effectively reduced.

Optionally, in one embodiment, the noise reduction wheel 10 is hinged to the support 20. The carrier 20 is fixedly attached to the frame 40 and the weight carried by the leaf spring 30 is reacted to the noise reduction wheel 10. When the plate spring 30 bears and impacts, the plate spring 30 reciprocates relative to the bearing surface of the noise reduction wheel 10, so that the plate spring 30 and the noise reduction wheel 10 perform rolling friction.

Optionally, in an embodiment, as shown in fig. 1, the noise reduction wheel 10 includes two rubber wheels 12 disposed at two ends of the outer wall of the metal wheel 11, so that a good noise reduction effect can be achieved. In other embodiments, the noise reduction wheel 10 may also be a rubber wheel 12 that is covered by the outer wall of the metal wheel 11, so that the noise reduction effect is the best, but because the metal wheel 11 is not in direct contact with the plate spring 30, the rubber wheel 12 may be severely worn.

Preferably, the noise reduction wheel 10 may further include a plurality of rubber wheels 12, and the plurality of rubber wheels 12 are arranged on the outer wall of the metal wheel 11 at intervals along the axial direction of the metal wheel 11.

Fig. 6 is a schematic view of a noise reduction wheel 10 according to another embodiment of the present invention. As shown in fig. 6, the noise reduction wheel 10 is configured to form rolling friction with the leaf spring 30 when it is operated. During operation, sufficient friction force is generated between the noise reduction wheel 10 and the plate spring 30, so that the noise reduction wheel 10 can be ensured to perform rolling action on the surface of the plate spring 30. The arrows in fig. 6 indicate the frictional force running direction. The rolling friction mode can not only greatly reduce the dynamic stiffness of the plate spring 30, but also reduce the friction on the rubber wheel 12. Optionally, the bracket 20 is provided with a plurality of through holes 212, and the through holes 212 are used for penetrating bolts so that the bracket 20 is connected with the vehicle.

As shown in fig. 3, a through hole 111 is opened in the center of the metal wheel 11. As shown in fig. 2, a mounting shaft 21 protrudes from the side of the bracket 20 facing the noise reduction wheel 10, the protruding end of the mounting shaft 21 is provided with a screw thread, and the mounting shaft 21 is inserted into the through hole 111 and is screwed by a nut 211 to mount the noise reduction wheel 10 on the bracket 20.

As shown in fig. 4 and 5, a concave portion 112 is provided on the outer circumference of the metal wheel 11, the concave portion 112 is used for placing the rubber wheel 12, and the outer diameter of the rubber wheel 12 is larger than the maximum outer diameter of the metal wheel 11 by a preset value. Thus, a certain deformation allowance of the rubber wheel 12 can be ensured.

Fig. 7 is a schematic view of an axial cross-section of a noise reduction wheel 10 according to yet another embodiment of the present invention. In other embodiments, as shown in fig. 7, the noise reduction wheel 10 may also include two rubber wheels 12 vulcanized on both sides of the outer wall of the metal wheel 11.

In particular, the present invention also provides a suspension system including the above noise reduction wheel assembly for a suspension system of a vehicle, which can also reduce the leaf spring noise and increase the riding comfort.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A noise reducing wheel assembly for a suspension system of a vehicle, comprising:

2. The noise reduction wheel assembly of claim 1, wherein said noise reduction wheel comprises said rubber wheel extending over an outer wall of said metal wheel.

3. The noise reduction wheel assembly of claim 1, wherein the noise reduction wheel comprises a plurality of the rubber wheels arranged on an outer wall of the metal wheel at intervals in an axial direction of the metal wheel.

4. A noise reduction wheel assembly according to claim 2 or 3,

the rubber wheel and the metal wheel are both cylindrical, and the rubber wheel is vulcanized on the outer wall of the metal wheel.

5. The noise reduction wheel assembly of claim 4, wherein the noise reduction wheel is hinged to the carrier.

6. The noise reduction wheel assembly of claim 5, wherein the noise reduction wheel is configured to form rolling friction with the leaf spring when the noise reduction wheel is in operation.

7. The noise reducing wheel assembly of claim 6, wherein the bracket defines a plurality of through holes for receiving bolts for connecting the bracket to the vehicle.

8. The noise reduction wheel assembly of claim 6,

a through hole is formed in the center of the metal wheel;

9. Noise reduction wheel assembly according to any of claims 5-8, wherein a recess is provided on the outer circumference of the metal wheel for placing the rubber wheel, the outer diameter of the rubber wheel being larger than the maximum outer diameter of the metal wheel by a predetermined value.

10. A suspension system comprising a noise reducing wheel assembly for a suspension system of a vehicle as claimed in any one of claims 1 to 9.