CN219171856U

CN219171856U - Rear control arm

Info

Publication number: CN219171856U
Application number: CN202223274559.2U
Authority: CN
Inventors: 李仁爱
Original assignee: Ruian Langduo Auto Parts Co ltd
Current assignee: Ruian Langduo Auto Parts Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-13
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a rear control arm which comprises a control arm body, a rubber ring, a fixing screw and a fixing base, wherein the control arm body comprises a base layer, the surface of the base layer is fixedly connected with a tough layer, the surface of the tough layer is fixedly connected with a reinforcing layer, the surface of the reinforcing layer is fixedly connected with a protective layer, the protective layer comprises a first protective coating, and the surface of the first protective coating is fixedly connected with a second protective coating. According to the utility model, through the matched use of the control arm body, the rubber ring, the fixing screw, the fixing base, the base layer, the toughness layer, the reinforcing layer, the protective layer, the first protective coating and the second protective coating, the function of good anti-erosion effect is realized, and the problems that the anti-erosion performance of the existing automobile rear control arm is poor, and the surface of the control arm is easily damaged due to the erosion caused by sand and soil which is stirred up by a road surface after long-time use and the use strength of the control arm is influenced are solved.

Description

Rear control arm

Technical Field

The utility model relates to the technical field of automobile control arms, in particular to a rear control arm.

Background

The automobile control arm is used as a guiding and force transferring element of an automobile suspension system, various forces acting on wheels are transferred to an automobile body, meanwhile, the wheels are guaranteed to move along a certain track, the automobile control arm is respectively connected with the wheels and the automobile body through ball hinges or bushings in an elastic mode, the automobile control arm (comprising the bushings and the ball heads connected with the automobile control arm) has enough rigidity, strength and service life, however, the existing automobile rear control arm is poor in anti-scouring performance, after long-time use, sand and soil which is excited by a road surface is easy to damage the surface of the control arm, erosion generated by the surface is influenced on the use strength of the control arm, and therefore the actual use requirements cannot be met.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide the rear control arm, realize the function of good anti-erosion effect, and solve the problems that the existing automobile rear control arm has poor anti-erosion performance, and the surface of the control arm is easily damaged by sand and soil which is excited by a road surface after long-time use, so that the generated erosion can bring influence to the use strength of the control arm.

(II) technical scheme

The rear control arm comprises a control arm body, a rubber ring, a fixing screw and a fixing base, wherein the control arm body comprises a base layer, a tough layer is fixedly connected to the surface of the base layer, a reinforcing layer is fixedly connected to the surface of the tough layer, a protective layer is fixedly connected to the surface of the reinforcing layer, the protective layer comprises a first protective coating, and a second protective coating is fixedly connected to the surface of the first protective coating.

Preferably, the rubber ring is positioned at the top and the bottom of the control arm body, and the fixing screw is positioned at the top of the control arm body.

As the preferable scheme, unable adjustment base is located the bottom of control arm body, unable adjustment base's top has seted up the internal thread hole that cooperation fixing screw used.

As a preferable scheme, the base layer is made of aluminum alloy, and the toughness layer is made of carbon fiber composite material.

As a preferable scheme, the reinforcing layer is made of PA6 material, and the first protective coating is made of water-soluble chassis antirust glue material.

As a preferable scheme, the second protective coating adopts PVC stone-strike resistant paint, and the thickness of the toughness layer is the same as that of the reinforcing layer.

(III) beneficial effects

Compared with the prior art, the utility model provides the rear control arm, which has the following beneficial effects.

1. According to the utility model, through the matched use of the control arm body, the rubber ring, the fixing screw, the fixing base, the base layer, the toughness layer, the reinforcing layer, the protective layer, the first protective coating and the second protective coating, the function of good anti-erosion effect is realized, and the problems that the anti-erosion performance of the existing automobile rear control arm is poor, and the surface of the control arm is easily damaged due to the erosion caused by sand and soil which is stirred up by a road surface after long-time use and the use strength of the control arm is influenced are solved.

2. According to the utility model, the toughness layer is made of a carbon fiber composite material, so that the service toughness of the control arm body can be improved, the load performance of the control arm body is improved, the use strength of the control arm body can be improved by arranging the reinforcing layer made of PA6 material, the anti-scouring performance of the control arm body can be improved by arranging the first protective coating made of a water-soluble chassis anti-rust adhesive material, the scouring influence of cement stone sand on the control arm body can be reduced, the corrosion resistance of the control arm body can be improved by arranging the second protective coating made of PVC anti-stone-impact paint, and the service life of the control arm body can be prolonged.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic illustration of the material composition of the control arm body of the present utility model;

FIG. 3 is a schematic diagram showing the material composition of the structural protective layer of the present utility model.

In the figure: 1. a control arm body; 2. a rubber ring; 3. a fixed screw; 4. a fixed base; 101. a base layer; 102. a ductile layer; 103. a reinforcing layer; 104. a protective layer; 1041. a first protective coating; 1042. and a second protective coating.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the present utility model: the back control arm, including control arm body 1, rubber circle 2, fixing screw 3 and unable adjustment base 4, control arm body 1 includes basic unit 101, and basic unit 101's fixed surface is connected with toughness layer 102, and toughness layer 102's fixed surface is connected with enhancement layer 103, and enhancement layer 103's fixed surface is connected with protective layer 104, and protective layer 104 includes first protective coating 1041, and first protective coating 1041's fixed surface is connected with second protective coating 1042.

The rubber ring 2 is located the top and the bottom of control arm body 1, and fixing screw 3 is located the top of control arm body 1.

Through above-mentioned technical scheme, through setting up rubber circle 2, can improve the leakproofness that control arm body 1 connects.

The unable adjustment base 4 is located the bottom of control arm body 1, and the internal thread hole that cooperation fixing screw 3 used has been seted up at unable adjustment base 4's top.

Through above-mentioned technical scheme, through setting up fixing screw 3, can cooperate unable adjustment base 4 to fix rubber circle 2.

The base layer 101 is made of aluminum alloy, and the toughness layer 102 is made of carbon fiber composite material.

According to the technical scheme, the toughness layer 102 is made of the carbon fiber composite material, the tensile strength of the carbon fiber resin composite material is generally more than 3500Mpa and 7-9 times that of steel, the tensile elastic modulus is 23000-43000Mpa and is higher than that of steel, and the use toughness of the control arm body 1 can be improved, and the load performance of the control arm body is improved.

The reinforcing layer 103 is made of PA6, and the first protective coating 1041 is made of water-soluble chassis antirust glue.

Through above-mentioned technical scheme, adopt the PA6 material through setting up enhancement layer 103, the PA6 material has fine mechanical strength, rigidity and stand wear and tear's characteristic, can improve the service strength of control arm body 1, adopt water-soluble chassis rust-resistant glue material through setting up first protective coating 1041, form the firm elastic protection layer of one deck after the quick drying of water-soluble chassis rust-resistant glue, can prevent the striking of flyash and grit, avoid moisture, acid rain, salt to the erosion of control arm body 1, prevent chassis corrosion, protect car safety of car owner, can improve the anti-scouring performance of control arm body 1, reduce the scouring influence of cement stone sand to its production.

The second protective coating 1042 is made of PVC stone-impact resistant paint, and the thickness of the toughness layer 102 is the same as that of the reinforcing layer 103.

Through above-mentioned technical scheme, through setting up the anti stone-strike coating of PVC that adopts of second protective coating 1042, can improve the corrosion resistance of control arm body 1, prolong its life.

The working principle of the utility model is that; according to the utility model, the toughness layer 102 is made of a carbon fiber composite material, so that the service toughness of the control arm body 1 can be improved, the load performance of the control arm body is improved, the reinforcing layer 103 is made of a PA6 material, the service strength of the control arm body 1 can be improved, the first protective coating 1041 is made of a water-soluble chassis antirust glue material, the anti-scouring performance of the control arm body 1 can be improved, the scouring influence of cement stone sand on the control arm body is reduced, and the second protective coating 1042 is made of a PVC stone-impact resistant paint, so that the corrosion resistance of the control arm body 1 can be improved, and the service life of the control arm body is prolonged.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. Rear control arm, including control arm body (1), rubber circle (2), fixing screw (3) and unable adjustment base (4), its characterized in that: the control arm body (1) comprises a base layer (101), a tough layer (102) is fixedly connected to the surface of the base layer (101), a reinforcing layer (103) is fixedly connected to the surface of the tough layer (102), a protective layer (104) is fixedly connected to the surface of the reinforcing layer (103), the protective layer (104) comprises a first protective coating (1041), and a second protective coating (1042) is fixedly connected to the surface of the first protective coating (1041).

2. The rear control arm of claim 1, wherein: the rubber ring (2) is positioned at the top and the bottom of the control arm body (1), and the fixing screw (3) is positioned at the top of the control arm body (1).

3. The rear control arm of claim 1, wherein: the fixed base (4) is located at the bottom of the control arm body (1), and an internal thread hole matched with the fixed screw (3) for use is formed in the top of the fixed base (4).

4. The rear control arm of claim 1, wherein: the base layer (101) is made of an aluminum alloy material, and the toughness layer (102) is made of a carbon fiber composite material.

5. The rear control arm of claim 1, wherein: the reinforcing layer (103) is made of PA6, and the first protective coating (1041) is made of water-soluble chassis antirust glue.

6. The rear control arm of claim 1, wherein: the second protective coating (1042) adopts PVC stone-strike resistant paint, and the thickness of the toughness layer (102) is the same as that of the reinforcing layer (103).