CN210565918U

CN210565918U - Three-point stress structure of brake caliper body

Info

Publication number: CN210565918U
Application number: CN201921511659.8U
Authority: CN
Inventors: 傅英; 钟广臣; 罗公祥; 李若功
Original assignee: Shandong Nahe Auto Parts Co Ltd
Current assignee: Shandong Nahe Auto Parts Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-19
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a commercial car braking technical field specifically is a three point atress structure of stopper pincers body, including the pincers body and arm-tie, the pincers body is including pincers body front side, pincers body rear side, lacing wire and mounting platform, the lacing wire fixed connection of pincers body front side through both sides is in pincers body rear side, pincers body front side, lacing wire and pincers body rear side integrated into one piece, pincers body front side with mounting platform has all been seted up to the up end of pincers body rear side, threaded hole has been seted up on the mounting platform. The lacing wires on the two sides and the pulling plates are uniformly distributed on the stress profile of the caliper body, so that the caliper body is ensured to be uniformly tensioned and normally work without breaking, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.

Description

Three-point stress structure of brake caliper body

Technical Field

The utility model relates to a commercial car braking technical field specifically is a three point atress structure of stopper pincers body.

Background

The rotating element in a friction pair of a disc brake is a metal disc working with end faces, called a brake disc. The friction elements clamp the brake disc from both sides to produce braking, called friction pads. The fixed element generally adopts a caliper body and a bracket, the caliper body can move back and forth under the limit of a guide pin, the caliper body is called a floating caliper body, a disc brake is widely applied to cars, most of the cars are used for all wheels, and a few cars are only used as front wheel brakes and are matched with drum brakes of rear wheels, so that the cars have higher direction stability during braking. In commercial vehicles, disc brakes are increasingly being used today in new and high-end vehicle models.

The traditional disc brake caliper body only has the lacing wires on both sides, and the upside does not have boss arm-tie structure, under the effect of braking load, the inhomogeneous condition of caliper body atress appears very easily, leads to the condition that both sides lacing wires tear or caliper body afterbody fracture. Uneven stress can lead to eccentric wear of the friction plate and reduce the service life of the friction plate.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a guarantee that friction disc atress is balanced, the working face degree of wear is the same, the three point atress structure of the stopper pincers body of extension friction disc life-span.

The utility model provides a its technical problem adopt following technical scheme to realize:

a three point atress structure of stopper pincers body, including the pincers body and arm-tie, the pincers body is including pincers body front side, pincers body rear side, lacing wire and mounting platform, the lacing wire fixed connection that pincers body front side passes through both sides is in pincers body rear side, pincers body front side, lacing wire and pincers body rear side integrated into one piece, pincers body front side with mounting platform has all been seted up to the up end of pincers body rear side, threaded hole has been seted up on the mounting platform, seted up on the arm-tie with screw hole assorted through-hole, the arm-tie passes through threaded connection between pincers body front side and pincers body rear side.

Preferably, the mounting platform is provided with bosses which are integrally formed with the front side of the caliper body and the rear side of the caliper body respectively, the lower side of the pulling plate is provided with a groove corresponding to the boss, and the bosses are inserted into the grooves on the lower side of the pulling plate.

Compared with the prior art, the beneficial effects of the utility model are that: the three-point stress structure of the brake caliper body of the utility model has the advantages that the tension is applied to the caliper body by arranging the pulling plate between the front side of the caliper body and the rear side of the caliper body, so that the front side of the caliper body and the rear side of the caliper body are forced to deform and expand in the direction away from each other, and the pulling ribs on the two sides and the pulling plate at the top can provide reaction force to restrain the outer expansion of the front side of the caliper body and the rear side of the caliper body; the lacing wires on the two sides and the pulling plates are uniformly distributed on the stress profile of the caliper body, so that the caliper body is ensured to be uniformly tensioned and normally work without breaking, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention after the pulling plate is removed;

fig. 3 is a test point position mark of the friction plate in the experimental example.

In the figure: the clamp comprises a clamp body 100, a clamp body front side 110, a clamp body rear side 120, a lacing wire 130, a mounting platform 140, a boss 150 and a pulling plate 200.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a preferred embodiment is provided as follows:

a three-point stress structure of a brake caliper body 100 comprises a caliper body 100 and a pulling plate 200, wherein the caliper body 100 comprises a caliper body front side 110, a caliper body rear side 120, a pulling rib 130 and a mounting platform 140, the caliper body front side 110 is fixedly connected to the caliper body rear side 120 through the pulling ribs 130 on two sides, the caliper body front side 110, the pulling rib 130 and the caliper body rear side 120 are integrally forged and formed, the mounting platform 140 is respectively arranged on the upper end faces of the caliper body front side 110 and the caliper body rear side 120, two threaded holes are arranged on the mounting platform 140, through holes matched with the four threaded holes are arranged on the pulling plate 200, the pulling plate 200 is fixedly mounted between the caliper body front side 110 and the caliper body rear side 120 through four bolts, a boss 150 is arranged on the mounting platform 140, the two bosses 150 are respectively integrally formed with the caliper body front side 110 and the caliper body rear side 120, a groove corresponding to the boss 150 is arranged on the lower side of the pulling plate 200, the boss 150 is inserted in the groove on the lower side of, when the pulling plate 200 is retracted, the boss 150 can cooperate with the bolt to further reinforce the pulling plate 200, when the disc brake works, the caliper body 100 is under tension to force the front side 110 and the rear side 120 of the caliper body to deform and expand in a direction away from each other, and at the moment, the pulling ribs 130 on the two sides and the pulling plate 200 on the top provide a reaction force to restrain the outward expansion of the front side 110 and the rear side 120 of the caliper body; the lacing wires 130 on the two sides and the pulling plate 200 are uniformly distributed on the stress profile of the caliper body 100, so that the caliper body 100 is ensured to be under uniform tension and work normally without fracture, the stress balance of the friction plate is ensured, the abrasion degree of the working surface is the same, the eccentric wear of the friction plate is effectively avoided, and the service life of the friction plate is prolonged.

Examples of the experiments

A disc brake having a conventional caliper body 100 is purchased from the market, and a part of the disc brake of the conventional caliper body 100 is mounted on a test car number one;

the structure of the caliper body 100 in the embodiment is utilized to replace the traditional caliper body 100 in the disc brake, a new disc brake is manufactured, and a plurality of new disc brakes are installed on a second test vehicle;

as shown in fig. 3, 6 test points are selected from the friction plate, wherein 1 point, 2 points and 3 points are upper points, 4 points, 5 points and 6 points are lower points, the wear condition of the friction plate is checked once a month, the wear thickness is recorded, the experimental data refer to tables 1 to 2, and it should be noted that the data in the following tables are average values of the data obtained after repeated tests in the same test environment:

TABLE 1 tracking condition mm of wear reduction thickness of friction plate of traditional disc brake of test vehicle I

	1 point	2 point	3 point	4 points	5 point	6 points
							The first month	1.23	1.21	1.19	0.56	0.53	0.48
Second month of February	2.37	2.38	2.31	0.73	0.81	0.83
							The third month	3.54	3.61	3.55	1.11	1.09	1.05
The fourth month	4.81	4.90	4.88	1.28	1.36	1.33
							Fifth month	5.93	6.05	6.04	1.79	1.71	1.62
The sixth month	7.20	7.09	7.26	2.03	2.01	2.11

TABLE 2 tracking condition mm of abrasion reduction thickness of new type disc brake friction plate of No. two test vehicle

Through the real vehicle test, through the data comparison between table 1 to table 2, it can be clearly seen that the wear degrees of 1 point, 2 points and 3 points in table 1 are obviously higher than the wear of 4 points, 5 points and 6 points, and the wear degrees of 1 point, 2 points, 3 points, 4 points, 5 points and 6 points in table 2 are relatively uniform, which indicates that the three-point stress structure of the brake caliper body 100 in the embodiment can effectively solve the eccentric wear problem of the conventional disc brake and prolong the service life of the friction plate.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The three-point stress structure of the brake caliper body is characterized by comprising a caliper body (100) and a pull plate (200), wherein the caliper body (100) comprises a caliper body front side (110), a caliper body rear side (120), a pull rib (130) and a mounting platform (140), the caliper body front side (110) is fixedly connected to the caliper body rear side (120) through the pull ribs (130) on two sides, the caliper body front side (110), the pull rib (130) and the caliper body rear side (120) are integrally formed, the mounting platform (140) is respectively arranged on the upper end faces of the caliper body front side (110) and the caliper body rear side (120), a threaded hole is formed in the mounting platform (140), a through hole matched with the threaded hole is formed in the pull plate (200), and the pull plate (200) is connected between the caliper body front side (110) and the caliper body rear side (120) through four threads.

2. The three-point force structure of a caliper body of a brake as claimed in claim 1, wherein: the clamp is characterized in that bosses (150) are arranged on the mounting platform (140), the two bosses (150) are integrally formed with the front side (110) and the rear side (120) of the clamp body respectively, grooves corresponding to the bosses (150) are formed in the lower side of the pull plate (200), and the bosses (150) are inserted into the grooves in the lower side of the pull plate (200).