Disc brake capable of distinguishing inner brake pad and outer brake pad

Abstract

The utility model discloses a disc brake capable of distinguishing an inner brake pad and an outer brake pad. The disc brake comprises a bracket, an outer limiting clamping groove, an inner limiting clamping groove, an outer brake pad and an inner brake pad, limiting clamping grooves are additionally formed in the positions, corresponding to the inner side / outer side brake pads, of the bracket, different rough structures are arranged on the side faces of the inner side / outer side brake pads, the installation positions of the inner side / outer side brake pads can be rapidly distinguished, use defects caused by wrong installation of the inner side / outer side brake pads are avoided, and therefore the service life of the brake pads is effectively prolonged; the maintenance period of the vehicle disc brake is prolonged, the service life of the brake pad and the brake disc is prolonged, and the brake performance is safe and reliable.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake equipment mounted on a wheel of a vehicle, and particularly relates to a disc brake which distinguishes inner and outer brake pads. Background Art

[0002] The disc brake pads currently used in commercial vehicles do not distinguish between inner and outer pads. During braking, the brake caliper exerts a certain amount of braking force on the inner and outer brake pads, the corresponding time, and the life of the inner and outer braking working surfaces of the brake disc differ. This leads to uneven wear of the brake pads (premature wear on one side) and an increased risk of brake disc cracking, shortening vehicle maintenance cycles and reducing safety. Utility Model Content

[0003] The utility model provides a disc brake which distinguishes inner and outer brake pads, improves the uneven wear performance of the disc brake friction pad and increases the service life of the brake disc.

[0004] In order to solve the above problems, the technical solutions provided by the present invention are as follows:

[0005] The embodiment of the utility model provides a disc brake for distinguishing inner and outer brake pads, comprising a bracket (1), an outer brake pad (5) and an inner brake pad (6); the bracket (1) is provided with a cavity (2), an outer limit card slot (3) and an inner limit card slot (4); the outer limit card slot (3) and the inner limit card slot (4) are arranged in a corresponding position and communicated with the cavity (2); the outer limit card slot (3) and the inner limit card slot (4) are respectively installed with the outer brake pad (5) and the inner brake pad (6);

[0006] The sides of the outer brake pad (5) and the inner brake pad (6) are provided with rough structures of different shapes, wherein the rough structure on the side of the outer brake pad (5) includes two groups of fan-shaped protrusion structures (5-1) and four oblong protrusion structures (5-2), the two groups of fan-shaped protrusion structures (5-1) are distributed at the two end positions of the side of the outer brake pad (5), and the four oblong protrusion structures (5-2) are distributed in the middle position of the side of the outer brake pad (5); the rough structure on the side of the inner brake pad (6) includes two groups of circular protrusion structures and four rectangular protrusion structures; the two groups of circular protrusion structures are distributed at the two end positions of the side of the inner brake pad (6), and the four rectangular protrusion structures are distributed in the middle position of the side of the inner brake pad (6).

[0007] In an optional embodiment of the utility model, a group of fan-shaped protrusion structures (5-1) includes four fan-shaped protrusion structures (5-1) that are annular and spaced apart; two of the four oblong protrusion structures (5-2) are arranged horizontally, and the two oblong protrusion structures (5-2) and the other two oblong protrusion structures (5-2) are arranged vertically.

[0008] In an optional embodiment of the present invention, the rough structure on the side surface of the outer brake pad (5) and the rough structure on the side surface of the inner brake pad (6) have the same distribution pattern.

[0009] In an optional embodiment of the utility model, a first gap (7) is preset between the bottoms of both sides of the outer limit slot (3) and the outer brake pad (5), and a first gap (7) is preset between the bottoms of both sides of the inner limit slot (4) and the inner brake pad (6).

[0010] Compared with the prior art, the embodiment of the present invention provides a disc brake that distinguishes between inner and outer brake pads, which has the following beneficial effects: the bracket of the present invention is additionally provided with a limit slot corresponding to the position of the inner / outer brake pad, and different rough structures are provided on the side surfaces of the inner / outer brake pad, which can quickly distinguish the installation position of the inner / outer brake pad, avoid usage defects caused by incorrect installation of the inner / outer brake pad, thereby effectively improving the service life of the brake pad, extending the maintenance cycle of the vehicle disc brake, improving the service life of the brake pad and brake disc, and making the braking performance safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments or prior art, the following briefly introduces the drawings required for use in the embodiments or prior art descriptions. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0012] Figure 1 A schematic structural diagram of a disc brake that distinguishes between inner and outer brake pads provided in an embodiment of the present application.

[0013] Figure 2 for Figure 1 A is an enlarged schematic diagram. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0015] The lifespan of the inner and outer brake working surfaces of the brake disc varies to a certain extent, and incorrect installation leads to an increased risk of uneven wear of the brake pads and cracking of the brake disc. The bracket of the utility model is equipped with a limit slot corresponding to the position of the inner / outer brake pad, and different rough structures are set on the side surfaces of the inner / outer brake pads, which can quickly distinguish the installation position of the inner / outer brake pads, avoid the use defects caused by incorrect installation of the inner / outer brake pads, thereby effectively extending the service life of the brake pads, extending the maintenance cycle of the vehicle disc brake, and improving the service life of the brake pads and brake discs, making the braking performance safe and reliable.

[0016] Specifically, if Figure 1 As shown, an embodiment of the present invention provides a disc brake that distinguishes between inner and outer brake pads, including a bracket 1, an outer brake pad 5 and an inner brake pad 6. The bracket 1 is provided with a cavity 2, an outer limit slot 3 and an inner limit slot 4. The outer limit slot 3 and the inner limit slot 4 are arranged in alignment and communicated with the cavity 2. The outer limit slot 3 and the inner limit slot 4 are respectively installed with the outer brake pad 5 and the inner brake pad 6.

[0017] The outer and inner brake pads 5 and 6 have roughened surfaces of varying shapes. The outer brake pad 5's roughened surface includes two sets of fan-shaped protrusions 5-1 and four oblong protrusions 5-2. The two sets of fan-shaped protrusions 5-1 are located at the ends of the outer brake pad 5, while the four oblong protrusions 5-2 are located in the middle. Correspondingly, the inner brake pad 6's roughened surface includes two sets of circular protrusions and four rectangular protrusions. The two sets of circular protrusions are located at the ends of the inner brake pad 6, while the four rectangular protrusions are located in the middle.

[0018] Preferably, a group of fan-shaped protrusions 5-1 includes four annular fan-shaped protrusions 5-1 spaced apart from each other; two of the four oblong protrusions 5-2 are arranged horizontally, and the two oblong protrusions 5-2 are arranged vertically with the other two oblong protrusions 5-2. The roughness of the side surface of the outer brake pad 5 is distributed in the same manner as the roughness of the side surface of the inner brake pad 6.

[0019] Figure 2 Combine Figure 1A first gap 7 is preset between the bottom of both sides of the outer limit slot 3 and the outer brake pad 5, and a first gap 7 is preset between the bottom of both sides of the inner limit slot 4 and the inner brake pad 6.

[0020] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. A person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined by the claims.

Claims

1. A disc brake with distinguished inner and outer brake pads, characterized in that: The invention comprises a bracket (1), an outer brake pad (5) and an inner brake pad (6); the bracket (1) is provided with a cavity (2), an outer limit card slot (3) and an inner limit card slot (4); the outer limit card slot (3) and the inner limit card slot (4) are arranged in a corresponding position and communicated with the cavity (2); the outer limit card slot (3) and the inner limit card slot (4) are respectively installed with the outer brake pad (5) and the inner brake pad (6); The sides of the outer brake pad (5) and the inner brake pad (6) are provided with rough structures of different shapes, wherein the rough structure on the side of the outer brake pad (5) includes two groups of fan-shaped protrusion structures (5-1) and four oblong protrusion structures (5-2), the two groups of fan-shaped protrusion structures (5-1) are distributed at the two end positions of the side of the outer brake pad (5), and the four oblong protrusion structures (5-2) are distributed in the middle position of the side of the outer brake pad (5); the rough structure on the side of the inner brake pad (6) includes two groups of circular protrusion structures and four rectangular protrusion structures; the two groups of circular protrusion structures are distributed at the two end positions of the side of the inner brake pad (6), and the four rectangular protrusion structures are distributed in the middle position of the side of the inner brake pad (6).

2. A disc brake with differentiated inner and outer brake pads according to claim 1, characterized in that: A group of fan-shaped protrusion structures (5-1) includes four fan-shaped protrusion structures (5-1) that are annular and spaced apart; two of the four oblong protrusion structures (5-2) are arranged horizontally, and the two oblong protrusion structures (5-2) and the other two oblong protrusion structures (5-2) are arranged vertically.

3. A disc brake with differentiated inner and outer brake pads according to claim 2, characterized in that: The roughness structure on the side surface of the outer brake pad (5) and the roughness structure on the side surface of the inner brake pad (6) have the same distribution form.

4. The disc brake with differentiated inner and outer brake pads according to claim 1, characterized in that: A first gap (7) is preset between the bottoms of both sides of the outer limit slot (3) and the outer brake pad (5), and a first gap (7) is preset between the bottoms of both sides of the inner limit slot (4) and the inner brake pad (6).

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