CN220726922U

CN220726922U - Brake arm forging

Info

Publication number: CN220726922U
Application number: CN202322590595.8U
Authority: CN
Inventors: 陈瑞国; 陈晓峰; 陈晓军; 王天; 谢公印
Original assignee: Rui'an Ruiju Forging Co ltd
Current assignee: Rui'an Ruiju Forging Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-05
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a brake arm forging, which comprises a first mounting plate, a second mounting plate and a first connecting plate, wherein the first mounting plate is provided with a first mounting hole for connecting with a brake piece; the second mounting plates are arranged at one side of the first mounting plates at intervals and are provided with second mounting holes for being connected with the driving piece; the two ends of the connecting plate are respectively connected with the first mounting plate and the second mounting plate, a U-shaped reinforcing part is formed on the surface of at least one side of the first mounting plate along the thickness direction of the connecting plate, the reinforcing part is arranged around the first mounting hole in a surrounding mode, a boss is further arranged on the connecting plate, and a shaft hole for the external rotating shaft to pass through is formed in the boss; the first mounting plate, the second mounting plate and the connecting plate are integrally forged and formed.

Description

Brake arm forging

Technical Field

The application belongs to the technical field of vehicles, and more particularly relates to a brake arm forging.

Background

Brake arms are a critical component for automotive braking systems, which primarily function to transfer braking forces and actuate the brakes. In the braking process of the automobile, the braking arm converts the force of the braking pedal into the pressure of a brake piston, so that the braking plate is pushed to rub against the brake disc to generate braking force. Thus, the performance and quality of the brake arms have a significant impact on the safety and reliability of the automotive braking system.

The traditional brake arm manufacturing technology mainly adopts a casting or cutting processing mode, and the traditional brake arm always has the problem of low structural strength due to the limitation of the processing mode or unreasonable structural design, so that the higher and higher technological requirements of vehicles can not be well met.

Therefore, there is a need to solve the above-mentioned technical problems.

Disclosure of Invention

An object of the embodiment of the application is to provide a brake arm forging to solve the technical problem that brake arm structural strength is low that exists among the prior art.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: there is provided a brake arm forging comprising:

a first mounting plate having a first mounting hole for connection with a brake member;

the second mounting plates are arranged at one side of the first mounting plates at intervals and are provided with second mounting holes for being connected with the driving piece;

the two ends of the connecting plate are respectively connected with the first mounting plate and the second mounting plate, a U-shaped reinforcing part is formed on the surface of at least one side of the first mounting plate along the thickness direction of the first mounting plate, the reinforcing part is arranged around the first mounting hole in a surrounding mode, a boss is further arranged on the connecting plate, and a shaft hole for an external rotating shaft to pass through is formed in the boss;

the first mounting plate, the second mounting plate and the connecting plate are integrally formed by forging.

Optionally, a central connecting line of the shaft hole and the second mounting hole is a processing datum line;

the connecting plate is provided with a first side edge and a second side edge which are positioned on two opposite sides of the processing datum line, the first side edge is parallel to the processing datum line, and an included angle of 6 degrees is formed between the second side edge and the processing datum line.

Optionally, the connecting plate further has a third side connected to the second side, and an included angle of 24 ° is formed between the third side and the machining reference line.

Optionally, an included angle of 12 ° is formed between a surface of the first mounting plate facing away from the third side edge and the machining reference line.

Optionally, the brake arm forging further comprises a reinforcing rib plate integrally formed with the connecting plate, and the reinforcing rib plate is perpendicular to the connecting plate.

Optionally, the reinforcing rib plate is aligned with the connecting plate centrally in the width direction of the connecting plate.

Optionally, the connecting plate comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected;

the central axis of the first connecting portion and the central axis of the second connecting portion are provided with an included angle of 30 degrees, and the central axis of the third connecting portion is parallel to the central axis of the first connecting portion.

Optionally, a first transition surface is formed between the reinforcing rib plate and the first connecting portion, and an included angle of 28 degrees is formed between the first transition surface and the central axis of the first connecting portion.

Optionally, a second transition surface is arranged between the reinforcing rib plate and the third connecting portion, and an included angle of 28 degrees is formed between the second transition surface and the central axis of the third connecting portion.

Optionally, a third transition surface is further provided between the reinforcing rib plate and the third connecting portion, the third transition surface is connected to the second transition surface and the third connecting portion, and an included angle of 10 ° is formed between the third transition surface and the central axis of the third connecting portion.

The beneficial effect that this application provided braking arm forging lies in: compared with the prior art, the brake arm forging comprises a first mounting plate, a second mounting plate and a connecting plate. Wherein be provided with first mounting hole on the first mounting panel, be provided with the second mounting hole on the second mounting panel, the connecting plate forms the enhancement portion of "U" font at first mounting panel along its thickness direction's at least one side surface, and the enhancement portion encloses to establish around first mounting hole, can show the structural strength who increases first mounting panel, and the boss that sets up on the connecting plate is used for setting up the shaft hole that supplies outside pivot to pass, can bear bigger moment of torsion. In addition, in this application first mounting panel, second mounting panel and connecting plate integrated into one piece forge shaping, have the structural strength who is obviously superior to the brake arm among the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a brake arm forging provided in an embodiment of the present application;

fig. 2 is a schematic diagram of the whole structure of a brake arm forging provided in an embodiment of the present application;

FIG. 3 is a top view of the overall structure of a brake arm forging provided in an embodiment of the present application;

FIG. 4 is a side view of the overall structure of a brake arm forging provided in an embodiment of the present application;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;

FIG. 7 is a cross-sectional view taken along line E-E of FIG. 4;

FIG. 8 is a cross-sectional view taken along line F-F of FIG. 5;

wherein, each reference sign in the figure: 100. a first mounting plate; 101. a first mounting hole; 200. a second mounting plate; 201. a second mounting hole; 300. a connecting plate; 301. a reinforcing part; 302. a boss; 303. a shaft hole; 304. a first side; 305. a second side; 306. a third side; 307. a first connection portion; 308. a second connecting portion; 309. a third connecting portion; 400. reinforcing rib plates; 401. a first transition surface; 402. a second transition surface; 403. and a third transition surface.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application 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 present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 8 together, a brake arm according to an embodiment of the present application will be described, the brake arm includes a first mounting plate 100, a second mounting plate 200, and a connecting plate 300, where the first mounting plate 100 has a first mounting hole 101 for connecting with a brake member; the second mounting plate 200 is provided at a side of the first mounting plate 100 at a spacing, and has second mounting holes 201 for connection with a driving member. The two ends of the connecting plate 300 are respectively connected to the first mounting plate 100 and the second mounting plate 200, the connecting plate 300 forms a U-shaped reinforcing part 301 on at least one side surface of the first mounting plate 100 along the thickness direction thereof, the reinforcing part 301 is enclosed around the first mounting hole 101, the connecting plate 300 is further provided with a boss 302, and the boss 302 is provided with a shaft hole 303 for the external rotating shaft to pass through. The first mounting plate 100, the second mounting plate 200, and the connection plate 300 are integrally forged.

The brake arm forging provided in this embodiment forms the U-shaped reinforcing portion 301 on the first mounting plate 100 through the connecting plate 300, and the reinforcing portion 301 is enclosed around the first mounting hole 101, so that the strength of the first mounting plate 100 is greatly improved, and the connection strength of the first mounting plate 100 and the brake member is improved. In addition, in the present embodiment, the boss 302 is provided on the connection plate 300, so that the connection strength between the connection plate 300 and the rotation shaft can be improved. Finally, in the brake arm forging provided in this embodiment, the first mounting plate 100, the second mounting plate 200 and the connecting plate 300 are integrally forged and formed, so that the structural strength of the brake arm forging can be effectively increased.

Referring to fig. 1 to 8, in another embodiment of the present application, a center line between the shaft hole 303 and the second mounting hole 201 is a machining reference line; the connecting plate 300 has a first side 304 and a second side 305, which are positioned on the machining reference line, the first side 304 is parallel to the machining reference line, and the second side 305 has an angle of 6 ° with the machining reference line. According to the structure provided in the present embodiment, the overall structure of the brake arm forging in the present embodiment is further reinforced.

Referring to fig. 1 to 8, in another embodiment of the present application, the connecting plate 300 further has a third side 306 connected to the second side 305, and an included angle between the third side 306 and the machining reference line is 24 °. According to the structure provided in the present embodiment, the overall structure of the brake arm forging in the present embodiment is further reinforced.

Referring to fig. 1 to 8, in another embodiment of the present application, a side surface of the first mounting plate 100 facing away from the third side 306 has an angle of 12 ° with the machining reference line. According to the structure provided in the present embodiment, the overall structure of the brake arm forging in the present embodiment is further reinforced.

Referring to fig. 1 to 8, in another embodiment of the present application, the brake arm forging further includes a reinforcing rib 400 integrally formed with the connection plate 300, and the reinforcing rib 400 is disposed perpendicular to the connection plate 300. In this embodiment, by arranging the reinforcing rib plate 400, the reinforcing rib plate 400 is matched with the connecting plate 300 to form a cross-shaped integral structure, so that the structural strength of the connecting plate 300 is greatly increased, and the structural strength is far superior to that of the prior art. Further, in another embodiment of the present application, the reinforcing rib 400 is aligned with the connection plate 300 centrally in the width direction of the connection plate 300, and the structural strength of the connection plate 300 can be further improved.

Referring to fig. 1 to 8, in another embodiment of the present application, the connection board 300 includes a first connection portion 307, a second connection portion 308, and a third connection portion 309 that are sequentially connected; an included angle of 30 ° is formed between the central axis of the first connection portion 307 and the central axis of the second connection portion 308, and the central axis of the third connection portion 309 is parallel to the central axis of the first connection portion 307. According to the structure provided in the present embodiment, the whole structure of the brake arm forging in the present embodiment is further reinforced, and meanwhile, a step-down structure is provided between the first connecting portion 307 and the third connecting portion 309, so that mechanical interference is avoided during installation.

Referring to fig. 1 to 8, in another embodiment of the present application, a first transition surface 401 is disposed between the reinforcing rib 400 and the first connecting portion 307, and an included angle of 28 ° is formed between the first transition surface 401 and the central axis of the first connecting portion 307. According to the structure provided in the embodiment, the connection parts of the brake arm forgings are in gradual transition connection, so that stress concentration is avoided, and the whole structure is further reinforced.

Referring to fig. 1 to 8, in another embodiment of the present application, a second transition surface 402 is formed between the reinforcing rib 400 and the third connecting portion 309, and an included angle of 28 ° is formed between the second transition surface 402 and the central axis of the third connecting portion 309. In the embodiment, all the connection parts of the brake arm forging are in gradual transition connection, so that stress concentration is avoided, and the whole structure is further reinforced.

Referring to fig. 1 to 8, in another embodiment of the present application, a third transition surface 403 is further provided between the reinforcing rib 400 and the third connecting portion 309, the third transition surface 403 is connected to the second transition surface 402 and the third connecting portion 309, and an included angle of 10 ° is formed between the third transition surface 403 and a central axis of the third connecting portion 309. In the embodiment, all the connection parts of the brake arm forging are in gradual transition connection, so that stress concentration is avoided, and the whole structure is further reinforced.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A brake arm forging comprising:

a first mounting plate (100) having a first mounting hole (101) for connection with a brake;

a second mounting plate (200) which is provided at a side of the first mounting plate (100) at intervals and has a second mounting hole (201) for connection with a driving member;

the connecting plate (300) is respectively connected to the first mounting plate (100) and the second mounting plate (200) at two ends, the connecting plate (300) forms a U-shaped reinforcing part (301) on at least one side surface of the first mounting plate (100) along the thickness direction, the reinforcing part (301) is arranged around the first mounting hole (101) in a surrounding mode, a boss (302) is further arranged on the connecting plate (300), and a shaft hole (303) for an external rotating shaft to pass through is formed in the boss (302);

the first mounting plate (100), the second mounting plate (200) and the connecting plate (300) are integrally formed by forging.

2. The brake arm forging of claim 1, wherein:

the central connecting line of the shaft hole (303) and the second mounting hole (201) is a processing datum line;

the connecting plate (300) is provided with a first side edge (304) and a second side edge (305) which are positioned on two opposite sides of the processing datum line, the first side edge (304) is parallel to the processing datum line, and an included angle of 6 degrees is formed between the second side edge (305) and the processing datum line.

3. The brake arm forging of claim 2, wherein:

the connecting plate (300) is further provided with a third side edge (306) connected with the second side edge (305), and an included angle of 24 degrees is formed between the third side edge (306) and the machining datum line.

4. The brake arm forging of claim 3, wherein:

an included angle of 12 degrees is formed between the surface of one side, away from the third side edge (306), of the first mounting plate (100) and the machining datum line.

5. The brake arm forging of claim 2, wherein:

the brake arm forging further comprises a reinforcing rib plate (400) integrally formed with the connecting plate (300), and the reinforcing rib plate (400) is perpendicular to the connecting plate (300).

6. The brake arm forging of claim 5, wherein:

the reinforcing rib plate (400) is aligned with the connecting plate (300) centrally in the width direction of the connecting plate (300).

7. The brake arm forging of claim 6, wherein:

the connecting plate (300) comprises a first connecting part (307), a second connecting part (308) and a third connecting part (309) which are connected in sequence;

an included angle of 30 degrees is formed between the central axis of the first connecting portion (307) and the central axis of the second connecting portion (308), and the central axis of the third connecting portion (309) is parallel to the central axis of the first connecting portion (307).

8. The brake arm forging of claim 7, wherein:

a first transition surface (401) is arranged between the reinforcing rib plate (400) and the first connecting portion (307), and an included angle of 28 degrees is formed between the first transition surface (401) and the central axis of the first connecting portion (307).

9. The brake arm forging of claim 8, wherein:

a second transition surface (402) is arranged between the reinforcing rib plate (400) and the third connecting portion (309), and an included angle of 28 degrees is formed between the second transition surface (402) and the central axis of the third connecting portion (309).

10. The brake arm forging of claim 9, wherein:

a third transition surface (403) is further arranged between the reinforcing rib plate (400) and the third connecting portion (309), the third transition surface (403) is connected to the second transition surface (402) and the third connecting portion (309), and an included angle of 10 degrees is formed between the third transition surface (403) and the central axis of the third connecting portion (309).