CN214450096U

CN214450096U - Automobile control arm assembly structure

Info

Publication number: CN214450096U
Application number: CN202022734497.3U
Authority: CN
Inventors: 闻步正
Original assignee: Zhejiang Zero Run Technology Co Ltd
Current assignee: Zhejiang Leapmotor Technology Co Ltd; Zhejiang Zero Run Technology Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-10-22
Anticipated expiration: 2030-11-23

Abstract

An automobile control arm assembly structure comprises a front bushing sleeve, a control arm body and a reinforcing plate. The control arm body is provided with a first flanging, a second flanging, a third flanging and a body through hole. The distance between the upper end face of the hole wall of the body via hole and the upper end face of the first flanging is larger than or equal to two times of the thickness of the reinforcing plate. The front bushing sleeve is welded with the first flanging and the second flanging at the same time. The reinforcing plate is provided with a first side surface, a second side surface, a third side surface, a bushing side surface and a reinforcing plate through hole which is coaxially communicated with the body through hole, wherein the first side surface, the second side surface, the third side surface and the bushing side surface are respectively welded with the first flanging, the second flanging, the third flanging and the front bushing. The reinforcing plate via hole is uniformly provided with a plurality of welding process notches for welding the reinforcing plate and the hole wall of the body via hole together, each welding process notch is in a U shape formed by two side surfaces and one bottom surface, and the bottom surface of the U shape is positioned in the upper end surface of the hole wall of the body via hole. The utility model discloses it is rational in infrastructure, can guarantee that geometric tolerances is qualified between reinforcing plate via hole and the body via hole.

Description

Automobile control arm assembly structure

Technical Field

The utility model relates to an automobile parts technical field, concretely relates to automobile control arm assembly structure.

Background

The control arm assembly is used as a guide and force transmission element of an automobile suspension system, is positioned between a swing arm and a steering knuckle of a frame, transmits various forces acting on wheels to an automobile body, and simultaneously ensures that the wheels move according to a certain track. The control arm assembly is an important part in the automobile, and in order to ensure the safety of the automobile, the control arm assembly must have better rigidity, strength and service life.

The chinese utility model patent document entitled "a control arm assembly" with application No. 201821858511.7, grant publication No. CN209466940U discloses an automobile control arm assembly structure: the control arm comprises a front bushing sleeve and a control arm body, wherein the control arm body is fixedly connected with the front bushing sleeve, the control arm body is provided with a rear bushing flanging hole, a ball head mounting hole, a body through hole and a vertical flanging, the edge of the control arm body is provided with a U-shaped flanging, the control arm body is provided with a reinforcing plate, and the reinforcing plate is fixedly connected with the vertical flanging; a bulge is arranged inside the control arm body; the vertical flanging is fixedly connected with the front bushing sleeve, and the height of the vertical flanging is gradually reduced from the fixedly connected end to the other end; the reinforcing plate is provided with a reinforcing plate through hole corresponding to the body through hole; a through hole sleeve pipe which is adaptive to the size of the through hole of the body penetrates through the through hole of the reinforcing plate and the through hole of the body respectively and is fixedly connected with the through hole of the reinforcing plate and the through hole of the body. However, how the stiffener through hole and the body through hole are connected is not disclosed, so that the welding space between the stiffener and the wall of the body through hole is lacked, so that the stiffener through hole and the body through hole have large form and position tolerance before the welding of the via sleeve, and the via sleeve cannot easily pass through the stiffener through hole and the body through hole, thereby reducing the corresponding working efficiency.

Disclosure of Invention

The main object of the present invention is to provide an automobile control arm assembly structure that can ensure the relative position between the via hole of the stiffener and the via hole of the body to be kept correct, thereby improving the installation efficiency of the via hole sleeve.

The utility model discloses used technical scheme is: an automobile control arm assembly structure comprises a front bushing sleeve, a control arm body and a reinforcing plate. The control arm body is provided with a first flanging, a second flanging, a third flanging and a body through hole. The upper end faces of the first flanging, the second flanging and the third flanging are flush, and the distance between the upper end face of the hole wall of the body through hole and the upper end face of the first flanging is larger than or equal to the thickness of the reinforcing plate twice. The front bushing sleeve is welded with the first flanging and the second flanging at the same time. The reinforcing plate is provided with a first side surface, a second side surface, a third side surface and a bushing side surface which are respectively welded with the first flanging, the second flanging, the third flanging and the front bushing sleeve, and the reinforcing plate is also provided with a reinforcing plate through hole which is coaxially communicated with the body through hole. The aperture of the reinforcing plate through hole is equal to the diameter of the body through hole, and the lower plate surface of the reinforcing plate is supported on the upper end surface of the hole wall of the body through hole; the reinforcing plate via hole is uniformly provided with a plurality of welding process notches for welding the reinforcing plate and the hole wall of the body via hole together, each welding process notch is in a U shape formed by two side surfaces and one bottom surface, and the bottom surface of the U shape is positioned in the upper end surface of the hole wall of the body via hole.

The utility model discloses a for prevent to process after the completion because great deviation appears in welding deformation body via hole and reinforcing plate via hole position and influence follow-up via hole sleeve pipe and can not pass one of the effective method of body via hole. When the control arm is used, the reinforcing plate and the upper end of the hole wall of the through hole of the body can be welded together by utilizing the welding process notch, and then other parts of the reinforcing plate, corresponding parts of the control arm body and the front bushing sleeve are sequentially welded together. The arrangement of the welding process notch can avoid the phenomenon that the via hole sleeve pipe rapidly passes through the body via hole and the reinforcing plate via hole when the reinforcing plate and the upper end face of the body via hole are welded together. The utility model discloses simple structure can guarantee well that reinforcing plate via hole and body via hole relative position keep correct to can improve via hole sleeve pipe installation effectiveness.

Preferably, the two side surfaces of the welding process notch are in arc transition with the hole surface of the reinforcing plate through hole, the bottom surface of the U-shaped notch of each welding process notch is in arc transition connection with the side surface, and the bottom surface of the U-shaped notch of each welding process notch is an arc surface concentric with the reinforcing plate through hole. This preferred scheme is favorable to solving the welding stress concentration problem.

To sum up, the utility model discloses rational in infrastructure, the geometric tolerances that can guarantee reinforcing plate via hole and body via hole is at reasonable within range, and then is favorable to improving the welding process efficiency of preceding bush sleeve pipe and car control wall assembly.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: the utility model is an exploded schematic view;

in the figure: the front bushing sleeve comprises a front bushing sleeve 1, a control arm body 2, a first flanging 2.1, a second flanging 2.2, a third flanging 2.3, a body through hole 2.4, a reinforcing plate 3, a first side surface 3.1, a second side surface 3.2, a third side surface 3.3, a bushing side surface 3.4, a reinforcing plate through hole 3.5 and a welding process notch 3.6.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention includes a front bushing sleeve 1, a control arm body 2, and a reinforcing plate 3. The control arm body 2 is provided with a first flanging 2.1, a second flanging 2.2, a third flanging 2.3 and a body through hole 2.4. The upper end faces of the first flanging 2.1, the second flanging 2.2 and the third flanging 2.3 are flush, and the distance between the upper end face of the hole wall of the body through hole 2.4 and the upper end face of the first flanging 2.1 is more than or equal to twice the thickness of the reinforcing plate 3. The front bushing sleeve 1 is welded with the first flanging 2.1 and the second flanging 2.2 at the same time. The reinforcing plate 3 is provided with a first side surface 3.1, a second side surface 3.2, a third side surface 3.3 and a sleeve connecting side surface 3.4 which are respectively welded with the first flanging 2.1, the second flanging 2.2, the third flanging 2.3 and the front bushing sleeve 1. The reinforcing plate 3 is also provided with a reinforcing plate through hole 3.5 which is coaxially communicated with the body through hole 2.4. The diameter of the stiffener via hole 3.5 is equal to the diameter of the body via hole 2.4; the lower plate surface of the reinforcing plate 3 is supported on the upper end surface of the hole wall of the body through hole 2.4; three welding process notches 3.6 used for welding the reinforcing plate 3 and the hole wall of the body through hole 2.4 together are uniformly distributed on the reinforcing plate through hole 3.5, the welding process notches 3.6 are connected into a U shape by two side surfaces and one bottom surface, the bottom surface of the U-shaped notch of each welding process notch 3.6 is an arc surface concentric with the reinforcing plate through hole 3.5, the two side surfaces of the welding process notch 3.6, the hole surface of the reinforcing plate through hole 3.5 and the bottom surface of the U-shaped notch are in arc transition, and the bottom surface of the U shape is positioned in the upper end surface of the hole wall of the body through hole 2.4.

The above-described embodiments of the stiffener via are merely preferred embodiments of the present invention, and are not intended to limit the scope and structure of the present invention. Indeed, many equivalent variations in the shapes, constructions and design objectives of the devices according to the present invention are possible. Therefore, all equivalent changes made in the shape, structure and design objectives of the present invention should be considered within the scope of the present invention, i.e. all equivalent changes should be protected by the present invention.

Claims

1. An automobile control arm assembly structure comprises a front bushing sleeve (1), a control arm body (2) and a reinforcing plate (3); the control arm body (2) is provided with a first flanging (2.1), a second flanging (2.2), a third flanging (2.3) and a body through hole (2.4); the upper end faces of the first flanging (2.1), the second flanging (2.2) and the third flanging (2.3) are flush, and the distance between the upper end face of the hole wall of the body through hole (2.4) and the upper end face of the first flanging (2.1) is more than or equal to two times of the thickness of the reinforcing plate (3); the front bushing sleeve (1) is welded with the first flanging (2.1) and the second flanging (2.2) at the same time; the reinforcing plate (3) is provided with a first side surface (3.1), a second side surface (3.2), a third side surface (3.3) and a sleeve connecting side surface (3.4), which are respectively welded with the first flanging (2.1), the second flanging (2.2), the third flanging (2.3) and the front bushing sleeve (1); the reinforcing plate (3) is also provided with a reinforcing plate through hole (3.5) coaxially communicated with the body through hole (2.4); the method is characterized in that: the diameter of the reinforcing plate through hole (3.5) is equal to that of the body through hole (2.4); the lower plate surface of the reinforcing plate (3) is supported on the upper end surface of the hole wall of the body through hole (2.4); a plurality of welding process notches (3.6) used for welding the hole walls of the reinforcing plate (3) and the body via hole (2.4) together are uniformly distributed on the reinforcing plate via hole (3.5), the welding process notches (3.6) are connected into a U shape by two side surfaces and one bottom surface, and the bottom surface of the U shape is positioned in the upper end surface of the hole wall of the body via hole (2.4).

2. The vehicle control arm assembly structure as recited in claim 1, wherein: two side surfaces of the welding process notch (3.6) are in arc transition with the hole surface of the reinforcing plate through hole (3.5).

3. The vehicle control arm assembly structure as recited in claim 1, wherein: the bottom surface of the U-shaped notch of each welding process notch (3.6) is transitionally connected with the side surface arc.

4. The vehicle control arm assembly structure as recited in claim 1, wherein: the bottom surfaces of the U-shaped notches of the welding process notches (3.6) are all arc surfaces concentric with the reinforcing plate through hole (3.5).