CN216519312U

CN216519312U - Quick-change braking system

Info

Publication number: CN216519312U
Application number: CN202123213864.6U
Authority: CN
Inventors: 雷伟; 李粉霞; 尤金良
Original assignee: CSG TRW Chassis Systems Co Ltd
Current assignee: CSG TRW Chassis Systems Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to a quick-change type braking system, and belongs to the field of brakes. The upper part of the brake block extends into the brake caliper body, the brake blocks are symmetrically distributed on two sides of the brake disc, the brake block is fixed on the brake caliper body through a pair of guide pins, the brake block can move on the guide pins, and a piston used for pushing the brake block is arranged on the brake caliper body on one side facing the brake block; the both ends of uide pin are fixed respectively on the braking pincers of both sides, the both ends symmetry on the upper portion of brake pad is provided with the bayonet socket of cooperateing with the uide pin, the bayonet socket is the structure of L type, the bayonet socket includes guide part and location portion, the guide part is close to the outside of brake pad, the guide part is the breach that passes through of uide pin when dismantling the brake pad, it has the dismantlement space that is used for dismantling the uide pin to reserve on the braking pincers of one side near the brake pad, when dismantling the space with the brake pad and promote extreme position, the uide pin of one side in addition can break away from in the bayonet socket. The system can realize quick replacement of the brake block.

Description

Quick-change braking system

Technical Field

The utility model belongs to the field of automobile brakes, and relates to a quick-change type braking system.

Background

At present, with the shorter and shorter development cycle of automobiles, the shorter and shorter replacement cycle of brake pad assemblies during automobile tests and the higher requirement on the replacement time of the brake pad assemblies are provided, so that the replacement mode and the more abstract time of the brake pad assemblies become the higher requirement of the whole automobile factories on the brake industry, and the brake assembly replacement method and the brake assembly replacement time are also basic research subjects of the brake industry.

The brake block assembly of the fixed brake caliper assembly used in the existing brake industry has no quick-change structure and function, the brake block assembly is taken down after the spring piece, the guide pin and the like are completely disassembled when the brake block assembly of the fixed brake caliper assembly is replaced, and the guide pin and the spring piece are assembled after the new brake block assembly is replaced, so that the assembly is difficult, and the consumed time is long.

SUMMERY OF THE UTILITY MODEL

The utility model provides a brake system capable of rapidly changing brake blocks.

In order to achieve the purpose, the utility model provides the following technical scheme:

a quick-change brake system comprises a caliper body, a piston, a brake block and a brake disc, wherein the upper part of the brake block extends into the caliper body, the brake block is symmetrically distributed on two sides of the brake disc in the caliper body, the brake block is fixed on the caliper body through a pair of guide pins, the brake block can move on the guide pins, and the piston used for pushing the brake block is arranged on the caliper body on one side facing the brake block;

the both ends of uide pin are fixed respectively on the brake caliper body of both sides, the both ends symmetry on the upper portion of brake pad is provided with the bayonet socket of mutually supporting with the uide pin, the bayonet socket is the structure of L type, the bayonet socket includes guide part and location portion, the guide part is close to the outside of brake pad, the guide part is the breach of passing through of uide pin when dismantling the brake pad, it has the dismantlement space that is used for dismantling the uide pin to reserve on the brake caliper body of one side near the brake pad, when dismantling the space with the brake pad and promote extreme position, the uide pin of one side can break away from in the bayonet socket in addition.

Furthermore, the middle part card of uide pin is at the tip that the elastic plate corresponds, and the tip of elastic plate is provided with the draw-in groove that cooperates with the uide pin, and the distance between two draw-in grooves of elastic plate is slightly less than the distance between two uide pins.

Furthermore, the middle part of the guide pin is provided with a clamping part matched with the elastic plate, and the outer diameter of the clamping part is smaller than that of the two ends of the guide pin.

Furthermore, the elastic plate is made into an arc-shaped structure, and the middle part of the elastic plate is upwards protruded.

Furthermore, a transverse pressing sheet is fixed in the middle of the elastic plate and is perpendicular to the elastic plate, two ends of the pressing sheet are respectively pressed in the middle of the brake blocks on two sides, and a plane matched with the pressing sheet is reserved in the middle of the upper end of each brake block.

Furthermore, the two ends of the pressing piece are provided with integrated pressing heads which are of a triangular frame structure, acute angles of the pressing heads face outwards, and inclined planes of the pressing heads are arranged below the pressing piece.

Furthermore, the two sides of the elastic plate are also fixedly provided with elastic pieces which extend outwards in an inclined mode, the elastic pieces are matched with the brake block, and the elastic pieces are used for rebounding the brake block to the initial position after braking is finished.

Furthermore, the brake block comprises a back plate, the bayonet is arranged at the upper part of the back plate, one side of the back plate, which is close to the piston, is provided with a silencing sheet integrated with the back plate, and one side of the back plate, which is close to the brake disc, is provided with a friction part integrated with the back plate.

Further, a pad space for accommodating the pad is provided in the housing of the caliper body, and the pad space is used to restrict the pad from moving in a direction perpendicular to the guide pin.

The utility model has the beneficial effects that:

the system solves the problem of quick replacement of the brake block assembly in the vehicle test process and the after-sale maintenance process, shortens the time for the test process and the after-sale maintenance and replacement, and solves the problems of difficult disassembly and assembly in the replacement process.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a system with one side of the caliper body removed;

FIG. 2 is a schematic diagram of a system architecture;

FIG. 3 is a schematic view of a brake pad construction;

FIG. 4 is a side view of the brake pad;

fig. 5 is a schematic structural diagram of the system at the disassembly space.

Reference numerals:

1. a caliper body; 11. a brake pad space; 12. disassembling the space; 2. a piston; 3. a brake pad; 31. a bayonet; 311. a guide portion; 312. a positioning part; 32. a back plate; 33. a silencing sheet; 34. a friction portion; 4. a brake disc; 5. a guide pin; 51. a card and a portion; 6. an elastic plate; 7. tabletting; 71. a pressure head; 8. an elastic sheet.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 5, a quick-change brake system includes a caliper 1, a piston 2, a brake pad 3, and a brake disc 4. The upper part of the brake block 3 extends into the caliper body 1, the upper part of the brake block 3 is positioned in the middle of the caliper body 1, the upper end of the caliper body 1 is open, the brake blocks 3 are symmetrically distributed on two sides of a brake disc 4 in the caliper body 1, the brake block 3 is fixed on the caliper body 1 through a guide pin 5, and the brake block 3 can move on the guide pin 5 along the axis of the guide pin 5. A piston 2 is arranged between the interior of a caliper body 1 and a brake pad 3, the caliper body 1 provides power for the piston 2, and the piston 2 pushes the brake pad 3 to clamp a brake disc 4 to realize braking on the brake pad 3.

The caliper body 1 comprises a pair of shells which are symmetrical relative to the brake disc 4, and the two shells are oppositely spliced and fixed through fastening screws.

The guide pins 5 are provided in pairs, and both ends of the guide pins 5 are fixed to the housings of the caliper body 1 on both sides, respectively. The bayonets 31 matched with the guide pins 5 are symmetrically arranged at two ends of the upper portion of the brake block 3, the bayonets 31 are of an L-shaped structure, each bayonet 31 comprises a guide portion 311 and a positioning portion 312, the openings of the guide portions 311 face upwards, the positioning portions 312 are horizontal portions of the L-shaped bayonets 31, the guide portions 311 are vertical portions of the L-shaped bayonets 31, and the guide portions 311 are close to the outer side of the brake block 3. The guide portion 311 is a passage notch for the guide pin 5 when the brake pad 3 is removed. The length of the positioning portion 312 is required to ensure that when the brake shoe 3 moves to the limit position towards one of the guide pins 5, the other guide pin 5 can be disengaged from its corresponding bayonet 31.

The middle part of the guide pin 5 is clamped at one end corresponding to the elastic plate 6, and the end part of the elastic plate 6 is provided with a clamping groove matched with the guide pin 5. The distance between the two clamping grooves of the elastic plate 6 is slightly smaller than the distance between the two guide pins 5. In order to ensure that the elastic plate 6 can be centered, the middle part of the guide pin 5 is provided with a snap part 51 which is matched with the elastic plate 6, and the outer diameter of the snap part 51 is smaller than that of the two ends of the guide pin 5, namely, the snap part 51 is in a step structure. The length of the engaging portion 51 is equal to the width of the elastic plate 6. The elastic plate 6 is made into an arc-shaped structure, the middle part of the elastic plate 6 protrudes upwards, and the guide pins 5 are respectively clamped at the upper parts of the two ends of the elastic plate 6.

The middle part of the elastic plate 6 is also fixed with a transverse pressing sheet 7, the pressing sheet 7 is vertical to the elastic plate 6, two ends of the pressing sheet 7 are respectively pressed at the middle parts of the brake blocks 3 at two sides, and the middle part of the upper end of the brake block 3 is reserved with a plane matched with the pressing sheet 7. Both ends of preforming 7 are provided with integrative indenter 71, and preferred indenter 71 is triangle-shaped frame construction, and triangle-shaped frame construction is right triangle-shaped, and the long right-angle side of triangle-shaped frame construction is a part of preforming 7, and the acute angle of indenter 71 is outwards, and the hypotenuse of indenter 71 is in preforming 7 below.

Because elastic plate 6 is the arc structure, elastic plate 6 card can slightly be out of shape after on guide pin 5, and elastic plate 6 just can produce pressure like this and make preforming 7 press on brake block 3, prevents that brake block 3 from sliding in bayonet 31.

The both sides of elastic plate 6 still are fixed with the elastic sheet 8 that outwards stretches out to one side, and elastic sheet 8 and brake block 3 cooperation, elastic sheet 8 are used for rebounding brake block 3 to initial position after the braking. Since the presser plate 7 is provided with the presser head 71 and the presser head 71 is provided with the inclined surface, the inclined surface presses the brake shoe 3 and the presser head 71 pushes the brake shoe 3 back to the initial position by the inclined surface even after the piston 2 is returned to its original position.

The brake pad 3 includes a back plate 32, a bayonet 31 is provided on an upper portion of the back plate 32, a noise-deadening sheet 33 integrated with the back plate 32 is provided on a side of the back plate 32 close to the piston 2, and a friction portion 34 integrated with the back plate 32 is provided on a side of the back plate 32 close to the brake disk 4, and the friction portion 34 is made of a material for preventing friction since the friction portion 34 is in contact with the brake disk 4.

In order to prevent the movement of the brake pad 3, a pad space 11 for accommodating the brake pad 3 is provided in the housing of the caliper body 1, the brake pad 3 is located in the pad space 11 when in the initial position, the pad space 11 is engaged with the brake pad 3 so as to be in a clearance fit, and the pad space 11 restricts the movement of the brake pad 3 in a direction perpendicular to the guide pin 5, so that the brake pad 3 can slide on the guide pin 5 and the brake pad 3 can not be separated from the guide pin 5 even after being reset.

In order to facilitate the quick removal of the brake pads 3, the opening of the housing on one side of the caliper body 1 is reserved with a removal space 12, the removal space 12 is next to the pad space 11, and the removal space 12 is located between the two pad spaces 11. During the dismantlement, move brake pads 3 toward the direction of brake disc 4, then with brake pads 3 toward having one side promotion of dismantlement space 12, the uide pin 5 of one side in addition can break away from brake pads 3's bayonet 31, just can be quick dismantle brake pads 3 get off and change, realize brake pads 3's quick replacement. The direction is opposite to the disassembling direction during installation so as to achieve the purpose of quick replacement and installation without disassembling other parts.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A quick-change braking system, characterized by: the brake caliper comprises a brake caliper body (1), a piston (2), a brake block (3) and a brake disc (4), wherein the upper part of the brake block (3) extends into the brake caliper body (1), the brake block (3) is symmetrically distributed on two sides of the brake disc (4) in the brake caliper body (1), the brake block (3) is fixed on the brake caliper body (1) through a pair of guide pins (5), the brake block (3) can move on the guide pins (5), and the piston (2) used for pushing the brake block (3) is arranged on the brake caliper body (1) facing one side of the brake block (3);

the two ends of the guide pin (5) are respectively fixed on the brake caliper bodies (1) on the two sides, bayonets (31) matched with the guide pin (5) are symmetrically arranged at the two ends of the upper portion of the brake pad (3), the bayonets (31) are of an L-shaped structure, each bayonet (31) comprises a guide portion (311) and a positioning portion (312), the guide portions (311) are close to the outer side of the brake pad (3), the guide portions (311) are through notches of the guide pin (5) when the brake pad (3) is detached, a detaching space (12) used for detaching the guide pin (5) is reserved on the brake caliper body (1) on one side close to the brake pad (3), and when the brake pad (3) is pushed to the limiting position towards the detaching space (12), the guide pin (5) on the other side can be separated from the bayonets (31).

2. The quick-change braking system according to claim 1, characterized in that: the middle part of the guide pin (5) is clamped at the end part corresponding to the elastic plate (6), the end part of the elastic plate (6) is provided with a clamping groove matched with the guide pin (5), and the distance between the two clamping grooves of the elastic plate (6) is slightly smaller than the distance between the two guide pins (5).

3. The quick-change braking system according to claim 2, characterized in that: the middle part of the guide pin (5) is provided with a clamping part (51) matched with the elastic plate (6), and the outer diameter of the clamping part (51) is smaller than that of the two ends of the guide pin (5).

4. The quick-change braking system according to claim 2, characterized in that: the elastic plate (6) is made into an arc-shaped structure, and the middle part of the elastic plate (6) is upwards protruded.

5. The quick-change braking system according to claim 2, characterized in that: the middle part of the elastic plate (6) is also fixed with a transverse pressing sheet (7), the pressing sheet (7) is vertical to the elastic plate (6), two ends of the pressing sheet (7) are respectively pressed in the middle of the brake blocks (3) on two sides, and the middle of the upper end of the brake block (3) is reserved with a plane matched with the pressing sheet (7).

6. The quick-change braking system according to claim 5, characterized in that: both ends of the pressing sheet (7) are provided with integrated pressing heads (71), the pressing heads (71) are of a triangular frame structure, acute angles of the pressing heads (71) face outwards, and inclined planes of the pressing heads (71) are arranged below the pressing sheet (7).

7. The quick-change braking system according to claim 2, characterized in that: the two sides of the elastic plate (6) are also fixedly provided with elastic pieces (8) which extend outwards in an inclined mode, the elastic pieces (8) are matched with the brake block (3), and the elastic pieces (8) are used for rebounding the brake block (3) to the initial position after braking is finished.

8. The quick-change braking system according to claim 1, characterized in that: the brake block (3) comprises a back plate (32), the bayonet (31) is arranged at the upper part of the back plate (32), a silencing sheet (33) integrated with the back plate (32) is arranged on one side of the back plate (32) close to the piston (2), and a friction part (34) integrated with the back plate (32) is arranged on one side of the back plate (32) close to the brake disc (4).

9. The quick-change braking system according to claim 1, characterized in that: a brake shoe space (11) for accommodating the brake shoe (3) is provided in the housing of the caliper body (1), and the brake shoe space (11) is used for limiting the movement of the brake shoe (3) in the direction perpendicular to the guide pin (5).