CN221820124U - Lightweight body front and rear wheel arches - Google Patents

Abstract

The utility model discloses a front and rear wheel cover of a lightweight car body, which comprises welding plates, wherein reinforcing plates are fixedly connected to two sides of the bottom of each welding plate, a box body is arranged between the two reinforcing plates, a movable rod is arranged at the bottom of each box body, the top of each movable rod penetrates through an inner cavity of the box body and is fixedly connected with a movable plate, a spring is fixedly connected between each movable plate and the inner cavity of the box body, a damper is fixedly connected to the top of the inner cavity of the box body, a stainless steel shell is fixedly connected to the bottom of each movable rod, and sound absorbing cotton is fixedly connected to one side, close to the movable rod, of the inner cavity of the shell. According to the utility model, through the cooperation of the welding plate, the reinforcing plate, the box body, the movable rod, the movable plate, the spring, the damper, the stainless steel shell, the sound-absorbing cotton, the silica gel pad, the rubber particles, the protective pad, the base layer, the reinforcing layer, the high-strength layer, the elastic layer, the wear-resisting layer and the protective layer, the sound absorption and noise reduction mechanism can be well protected.

Description

Lightweight body front and rear wheel arches

Technical Field

The utility model relates to the technical field of wheel covers, in particular to lightweight front and rear wheel covers of a vehicle body.

Background Art

In order to prevent the vehicle body from being stained by rainwater, mud or other adhering matter, or from being damaged by splashing gravel or the like, a wheel housing is mounted on the lower portion of the vehicle body.

However, the existing wheel covers do not have a sound-absorbing function. When the car is running at high speed, a lot of noise will be generated, and the splashing stones hitting the wheel covers will also generate a lot of noise, which brings inconvenience to people's use. Therefore, lightweight front and rear wheel covers are introduced in a targeted manner.

Utility Model Content

The utility model aims to provide lightweight front and rear wheel covers for vehicle bodies, which have the advantages of sound absorption and noise reduction, and solve the problem that existing wheel covers do not have the sound absorption function, a large amount of noise will be generated when the car is running at high speed, and a large amount of noise will also be generated when flying stones collide with the wheel covers, causing inconvenience to people's use.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lightweight front and rear wheel covers of a vehicle body, comprising a welding plate, both sides of the bottom of the welding plate are fixedly connected with reinforcement plates, a box body is arranged between the two reinforcement plates, a movable rod is arranged at the bottom of the box body, the top of the movable rod penetrates into the inner cavity of the box body and is fixedly connected with a movable plate, a spring is fixedly connected between the movable plate and the inner cavity of the box body, a damper is fixedly connected to the top of the inner cavity of the box body, a stainless steel shell is fixedly connected to the bottom of the movable rod, a sound-absorbing cotton is fixedly connected to the side of the inner cavity of the stainless steel shell close to the movable rod, a silicone pad is fixedly connected to the side of the sound-absorbing cotton away from the movable rod, rubber particles are filled between the silicone pad and the sound-absorbing cotton, a protective pad is fixedly connected to the side of the silicone pad away from the movable rod, the protective pad comprises a base layer, a reinforcement layer is bonded to the surface of the base layer, a high-strength layer is bonded to the surface of the reinforcement layer, an elastic layer is bonded to the surface of the high-strength layer, a wear-resistant layer is bonded to the surface of the elastic layer, and a protective layer is sprayed on the surface of the wear-resistant layer.

Preferably, the base layer is made of natural rubber, and the reinforcement layer is made of butadiene rubber.

Preferably, the material of the high-strength layer is polyurethane rubber, and the material of the elastic layer is styrene-butadiene rubber.

Preferably, the material of the wear-resistant layer is nitrile rubber, and the material of the protective layer is elastic paint.

Preferably, a mounting plate is fixedly connected to the top of the welding plate, and mounting holes are provided on both sides of the front side of the mounting plate.

Preferably, movable blocks are fixedly connected on both sides of the box body, a movable groove adapted to the movable block is opened on the side of the reinforcing plate close to the box body, the spring sleeve is arranged on the surface of the damper, and a shock-absorbing pad is fixedly connected to the bottom of the welding plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. The utility model can absorb sound and reduce noise through the cooperation of welding plates, reinforcing plates, boxes, movable rods, moving plates, springs, dampers, stainless steel shells, sound-absorbing cotton, silicone pads, rubber particles, protective pads, base layers, reinforcing layers, high-strength layers, elastic layers, wear-resistant layers and protective layers, and can well protect the sound-absorbing and noise-reducing mechanisms, making it convenient for people to use.

2. The utility model can provide the protective pad with good strength by providing a reinforcing layer, can provide the protective pad with good sound absorption performance by providing an elastic layer, can utilize the characteristics of small rolling resistance and low shrinkage of styrene-butadiene rubber by providing a wear-resistant layer, can utilize the good physical properties and wear resistance of nitrile rubber by providing a wear-resistant layer, and can limit the box by providing movable blocks and movable grooves.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a perspective view of the structure of the utility model;

Fig. 2 is a schematic diagram of the structure of the utility model;

FIG. 3 is a schematic diagram of the material structure of the protective pad of the utility model.

In the figure: 1. welding plate; 2. reinforcement plate; 3. box body; 4. movable rod; 5. moving plate; 6. spring; 7. damper; 8. stainless steel shell; 9. sound-absorbing cotton; 10. silicone pad; 11. rubber particles; 12. protective pad; 121. base layer; 122. reinforcement layer; 123. high-strength layer; 124. elastic layer; 125. wear-resistant layer; 126. protective layer; 13. mounting plate; 14. mounting hole; 15. movable block; 16. movable groove; 17. shock-absorbing pad.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-3, the front and rear wheel covers of the lightweight vehicle body include a welding plate 1, the top of the welding plate 1 is fixedly connected to a mounting plate 13, both sides of the front of the mounting plate 13 are provided with mounting holes 14, both sides of the bottom of the welding plate 1 are fixedly connected to reinforcing plates 2, a box 3 is arranged between the two reinforcing plates 2, a movable rod 4 is arranged at the bottom of the box 3, the top of the movable rod 4 penetrates into the inner cavity of the box 3 and is fixedly connected to a moving plate 5, a spring 6 is fixedly connected between the moving plate 5 and the inner cavity of the box 3, a damper 7 is fixedly connected to the top of the inner cavity of the box 3, both sides of the box 3 are fixedly connected to movable blocks 15, and a side of the reinforcing plate 2 close to the box 3 is provided with a spring 6 that is connected to the movable block 15 The movable groove 16 is adapted to match the spring 6, and the spring 6 is sleeved on the surface of the damper 7. The bottom of the welding plate 1 is fixedly connected with a shock-absorbing pad 17. By setting the movable block 15 and the movable groove 16, the box body 3 can be limited. The bottom of the movable rod 4 is fixedly connected with a stainless steel shell 8, and the side of the inner cavity of the stainless steel shell 8 close to the movable rod 4 is fixedly connected with a sound-absorbing cotton 9, and the side of the sound-absorbing cotton 9 away from the movable rod 4 is fixedly connected with a silicone pad 10, and rubber particles 11 are filled between the silicone pad 10 and the sound-absorbing cotton 9. The side of the silicone pad 10 away from the movable rod 4 is fixedly connected with a protective pad 12, and the protective pad 12 includes a base layer 121, and the surface of the base layer 121 is bonded with a reinforcing layer 122. The material of the layer 121 is natural rubber, the material of the reinforcing layer 122 is butadiene rubber, and by providing the reinforcing layer 122, the protective pad 12 can have good strength, the surface of the reinforcing layer 122 is bonded with a high-strength layer 123, the surface of the high-strength layer 123 is bonded with an elastic layer 124, the material of the high-strength layer 123 is polyurethane rubber, and the material of the elastic layer 124 is styrene-butadiene rubber. By providing the elastic layer 124, the characteristics of small rolling resistance and low shrinkage of styrene-butadiene rubber can be utilized to make the protective pad 12 have good sound absorption performance, the surface of the elastic layer 124 is bonded with a wear-resistant layer 125, the surface of the wear-resistant layer 125 is sprayed with a protective layer 126, and the wear-resistant layer 124 is bonded with a wear-resistant layer 126. The material of 25 is nitrile rubber, and the material of the protective layer 126 is elastic paint. By setting the wear-resistant layer 125, the good physical properties and wear resistance of nitrile rubber can be utilized to make the protective pad 12 have good wear resistance. Through the cooperation of the welding plate 1, the reinforcing plate 2, the box body 3, the movable rod 4, the movable plate 5, the spring 6, the damper 7, the stainless steel shell 8, the sound-absorbing cotton 9, the silicone pad 10, the rubber particles 11, the protective pad 12, the base layer 121, the reinforcing layer 122, the high-strength layer 123, the elastic layer 124, the wear-resistant layer 125 and the protective layer 126, sound absorption and noise reduction can be achieved, and the sound absorption and noise reduction mechanism can be well protected, which is convenient for people to use.

During use, the noise generated by the driving of the car will be absorbed by the sound-absorbing cotton 9, and the vibration generated by the impact of sand and gravel will be absorbed by the rubber particles 11, the silicone pad 10 and the protective pad 12 to achieve the purpose of noise reduction. The bumps caused by the driving of the vehicle will squeeze the spring 6 through the movable rod 4 and the movable plate 5. The cooperation of the spring 6 and the damper 7 can make the stainless steel shell 8 more stable. The cooperation of the movable block 15 and the movable groove 16 can give it space to move when mud is attached. The reinforcing layer 122 can make the protective pad 12 have good strength. The elastic layer 124 can make use of the characteristics of small rolling resistance and low shrinkage of styrene-butadiene rubber to make the protective pad 12 have good sound absorption performance. The wear-resistant layer 125 can make use of the good physical properties and wear resistance of nitrile rubber to make the protective pad 12 have good wear resistance, so as to extend the service life of the protective pad 12, and well protect the sound-absorbing cotton 9, the silicone pad 10 and the rubber particles 11, so that sound absorption and noise reduction can be achieved, and the sound absorption and noise reduction mechanism can be well protected, which is convenient for people to use.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A lightweight front and rear wheel housing, comprising a welding plate (1), characterized in that: both sides of the bottom of the welding plate (1) are fixedly connected to reinforcing plates (2), a box (3) is arranged between the two reinforcing plates (2), a movable rod (4) is arranged at the bottom of the box (3), the top of the movable rod (4) penetrates into the inner cavity of the box (3) and is fixedly connected to a movable plate (5), a spring (6) is fixedly connected between the movable plate (5) and the inner cavity of the box (3), a damper (7) is fixedly connected to the top of the inner cavity of the box (3), a stainless steel shell (8) is fixedly connected to the bottom of the movable rod (4), and a sound-absorbing cotton (9) is fixedly connected to the inner cavity of the stainless steel shell (8) on one side close to the movable rod (4). The side of the sound-absorbing cotton (9) away from the movable rod (4) is fixedly connected to a silicone pad (10), and rubber particles (11) are filled between the silicone pad (10) and the sound-absorbing cotton (9). The side of the silicone pad (10) away from the movable rod (4) is fixedly connected to a protective pad (12), and the protective pad (12) comprises a base layer (121), a reinforcing layer (122) is bonded to the surface of the base layer (121), a high-strength layer (123) is bonded to the surface of the reinforcing layer (122), an elastic layer (124) is bonded to the surface of the high-strength layer (123), a wear-resistant layer (125) is bonded to the surface of the elastic layer (124), and a protective layer (126) is sprayed on the surface of the wear-resistant layer (125). 2. The lightweight front and rear wheel covers of a vehicle body according to claim 1, characterized in that the base layer (121) is made of natural rubber, and the reinforcing layer (122) is made of butadiene rubber. 3. The lightweight front and rear wheel covers of a vehicle body according to claim 1, characterized in that the material of the high-strength layer (123) is polyurethane rubber, and the material of the elastic layer (124) is styrene-butadiene rubber. 4. The lightweight front and rear wheel covers of a vehicle body according to claim 1, characterized in that the material of the wear-resistant layer (125) is nitrile rubber, and the material of the protective layer (126) is elastic paint. 5. The lightweight front and rear wheel covers of a vehicle body according to claim 1, characterized in that a mounting plate (13) is fixedly connected to the top of the welding plate (1), and mounting holes (14) are provided on both sides of the front of the mounting plate (13). 6. The lightweight front and rear wheel covers of a vehicle body according to claim 1, characterized in that: movable blocks (15) are fixedly connected to both sides of the box body (3), a movable groove (16) adapted to the movable block (15) is provided on the side of the reinforcing plate (2) close to the box body (3), the spring (6) is sleeved on the surface of the damper (7), and a shock-absorbing pad (17) is fixedly connected to the bottom of the welding plate (1).