CN217633568U

CN217633568U - Low-drag high-stability brake piece and brake piece return mechanism

Info

Publication number: CN217633568U
Application number: CN202123276809.1U
Authority: CN
Inventors: 傅直全; 顾航斌; 周哉松
Original assignee: Zhejiang Wanan Zhiyu Automobile Control System Co ltd
Current assignee: Zhejiang Wanan Zhiyu Automobile Control System Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-10-21
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a fixed stopper field discloses a braking piece and braking piece return mechanism of low dragging height stability, and it includes braking piece body (100), and the both sides of braking piece body (100) are provided with direction ear (101), and direction ear (101) are arcwall face (103) and form arc mouth (102) towards the surface of brake disc, and the horizontal plane at braking piece body (100) focus place intersects with arcwall face (103), and the intersection is contact (104) of supporting of return mechanism. The brake pad return mechanism has the advantages of stable return, no dragging, no noise and the like in the practical application process.

Description

Low-drag high-stability brake piece and brake piece return mechanism

Technical Field

The utility model relates to a stopper field has especially related to a braking piece and braking piece return mechanism of low dragging height stable.

Background

The friction plate of the existing fixed caliper disc brake has no active return function, and when the brake is performed each time, the friction plate clamps a brake disc under the action of a piston to generate braking force so as to decelerate or stop the vehicle; when braking is finished, the piston firstly returns, and then the friction plate is thrown away from the brake disc through rotation of the brake disc to realize the return of the friction plate. Chinese patent CN201911396613.0 discloses an active return mechanism for friction plate, which uses a tower spring structure to provide assistance for returning a brake pad, but this kind of structure has the following disadvantages that the tower spring is directly contacted with the brake pad, which is easy to have uneven stress, and the brake pad of this kind of structure is easy to be unstable in the return process, and the spring is easy to rub with a guide pin to generate larger noise.

In addition, the stress point of the traditional return mechanism is basically the braking surface or the opposite surface of the brake pad, so that the stress has a delay phenomenon and a dragging phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art's shortcoming, provide a braking piece and fixed brake caliper of low dragging height stability.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the brake pad with low dragging and high stability comprises a brake pad body, wherein guide lugs are arranged on two sides of the brake pad body, the surfaces, facing a brake disc, of the guide lugs are arc-shaped surfaces and form arc-shaped openings, the horizontal plane where the center of gravity of the brake pad body is located is intersected with the arc-shaped surfaces, and the intersection point is a contact point of a return mechanism.

Preferably, the guide lug is an arc-shaped piece, and an arc-shaped opening of the guide piece faces to the braking side of the brake pad.

Preferably, the guide lug is provided in the middle of the left and right side portions of the brake pad body.

Preferably, after the brake pad is worn, the horizontal plane where the center of gravity of the brake pad body is located is still intersected with the arc-shaped surface of the arc-shaped opening, and after the friction surface of the brake pad body is worn, the intersection point of the plane where the center of gravity of the brake pad body is located and the arc-shaped surface moves outwards.

Preferably, the brake pad body and the guide lug are of an integrally molded structure.

The brake pad return mechanism comprises the brake pad with low dragging lag and high stability, the brake pad comprises an inner brake pad and an outer brake pad, the brake pad further comprises a caliper body, a brake area is formed on the caliper body, the inner brake pad is driven by the inner driving mechanism, the outer brake pad is driven by the outer driving mechanism, guide grooves used for being matched with the guide lugs are formed in the left side and the right side of the brake area, a return component is installed on the inner wall of the brake area of the caliper body and acts on the bottom surface of the arc-shaped opening, the contact point is coincident with the horizontal plane where the center of gravity of the brake pad body is located, the brake pad supports and presses the return component to enable the return component to deform and accumulate potential energy in the brake process, the brake force is removed, and the return component releases potential energy to enable the brake pad to return.

As the preferred, return assembly includes mounting and resilience piece, and the reed spare of resilience piece structure as an organic whole, the fixed part of the conflict portion that resilience piece includes one end, the other end to and connect the connecting portion between conflict portion, fixed part, conflict portion includes the strip and the first resilience portion of propping of tip, and the strip of propping extends along the width direction of uide bushing, and first resilience portion is the first semicircular rebound board of bending type one-tenth, and the mouth is kick-backed in the middle part formation of first semicircular rebound board.

Preferably, the connecting portion includes a first return plate and a second return plate bent at one end of the first return plate, the other end of the second return plate is bent to form a first resilient portion, the second return plate is a straight plate, and a second resilient portion is formed between the second return plate and the first return plate.

Preferably, the fixing part is a horizontal plate member, and the fixing member is arranged in parallel with the brake pad.

Preferably, the resilient member is of one-piece stamped construction.

Through the technical scheme, the utility model discloses following technological effect has:

the utility model discloses a low braking piece that drags highly stable, its creative design a direction ear structure, the cambered surface structure of direction ear can make conflict point all the time be in same level with the focus place plane of braking piece body, so at return in-process rapider, do not drag the phenomenon, braking piece more steady moreover guarantees that the contact surface of braking piece at every turn contact is bigger, guarantees bigger braking area.

Drawings

Fig. 1 is a schematic overall structure diagram of the brake return mechanism.

Fig. 2 is a schematic structural view of the brake pad body and the guide lug.

Fig. 3 is a schematic structural diagram of the return assembly.

The names of the parts indicated by the numerical references in the drawings are as follows: 100-brake block body, 101-guide lug, 102-arc mouth, 103-arc face, 104-touch point, 105-interior brake block, 106-exterior brake block, 107-guide slot, 108-return assembly, 109-fixing piece, 110-resilience piece, 111-connecting part, 112-touch part, 113-fixing part, 114-first semicircular resilience plate, 115-resilience mouth, 116-first return plate, 117-second return plate, 118-second resilience region, 119-first resilience part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

The brake pad with low drag and high stability comprises a brake pad body 100, wherein guide lugs 101 are arranged on two sides of the brake pad body 100, the surfaces, facing a brake disc, of the guide lugs 101 are arc-shaped surfaces 103 and form arc-shaped openings 102, the horizontal plane where the center of gravity of the brake pad body 100 is located is intersected with the arc-shaped surfaces 103, and the intersection point is an interference point 104 of a return mechanism. In this embodiment, one end of the guide lug 101 is formed on the back plate side of the brake pad body 100. Due to its backing plate, the brake pad body 100 as a whole is an irregular object with its center of gravity generally located above the physical centerline. Due to the existence of the guide lug 101, the side part of the brake caliper can be designed with a notch for placing the guide lug 101, the arc-shaped surface 103 designed by the scheme can be matched with the gravity center change track, the transverse size of the guide lug 101 can be reduced, and a longer deformation track is provided under the caliper body with the same transverse size.

In this embodiment, the guide lugs 101 are arc-shaped pieces, and the arc-shaped mouths 102 of the guide pieces face the braking side of the brake pad. Pilot lug 101 and brake pad body 100 are of unitary construction. Therefore, the strength of the guide lug 101 can transmit force to the brake pad body 100 in time, so that drag can be reduced, and the force point is the height of the center of gravity, so that the friction pad can return to the original position and cannot incline when the brake is released.

In this embodiment, the guide lugs 101 are provided in the middle of the left and right side portions of the brake pad body 100. The guide lugs 101 on the two sides are symmetrically arranged, so that the stress is more balanced.

After long-time braking, the brake pad is worn, and the whole brake pad body 100 becomes thinner after the brake pad is worn, so that after the brake pad is worn, the horizontal plane where the center of gravity of the brake pad body 100 is located still intersects with the arc-shaped surface 103 of the arc-shaped opening 102, and after the friction surface of the brake pad body 100 is worn, the intersection point of the plane where the center of gravity of the brake pad body 100 is located and the arc-shaped surface 103 moves outwards.

Brake pad body 100 and guide ears 101 are integrally formed in this embodiment.

The utility model discloses a low braking piece that drags highly stable, its creative design a direction ear 101 structure, the ARC structure of direction ear 101 can make to touch 104 all the time with the focus place plane that keeps off piece body 100 be in same level, so at return in-process rapider, do not drag the phenomenon, braking piece more steady moreover, guarantee the contact surface of braking piece at every turn contact bigger, guarantee bigger brake area.

Example 2

The embodiment discloses a brake pad returning mechanism, which comprises the brake pad with low drag and high stability, wherein the brake pad comprises an inner brake pad 105 and an outer brake pad 106, the brake pad further comprises a caliper body, a brake area is formed on the caliper body, the inner brake pad 105 is driven by an inner driving mechanism, the outer brake pad 106 is driven by an outer driving mechanism, guide grooves 107 matched with guide lugs 101 are formed in the left side and the right side of the brake area, a returning component 108 is installed on the inner wall of the brake area of the caliper body, the returning component 108 acts on the bottom surface of an arc-shaped opening 102, a contact point 104 is overlapped with the horizontal plane where the center of gravity of the brake pad body 100 is located, the returning component 108 is pressed in the brake pad braking process to enable the returning component 108 to deform and accumulate potential energy, the braking force is removed, and the returning component 108 releases the potential energy to enable the brake pad to return.

In this embodiment, return assembly 108 includes mounting 109 and resilience piece 110, the reed spare of resilience piece 110 structure as an organic whole, resilience piece 110 includes conflict portion 112 of one end, the fixed part 113 of the other end, and connect at conflict portion 112, connecting portion 111 between the fixed part 113, conflict portion 112 includes the conflict strip and the first resilience portion 119 of tip, it extends along the width direction of uide bushing to support the touch strip, first resilience portion 119 is the first semicircular resilience board 114 of bending type, the middle part of first semicircular resilience board 114 forms resilience mouth 115. The connecting portion 111 includes a first return plate 116 and a second return plate 117 bent at one end of the first return plate 116, the other end of the second return plate 117 is bent to form a first resilient portion 119, the second return plate 117 is a straight plate, and a second resilient portion 118 is formed between the second return plate 117 and the first return plate 116. The fixing portion 113 is a horizontal plate member, and the fixing member 109 is disposed in parallel with the brake pad. The resilient member 110 is a one-piece stamped structure. The resilience piece 110 of this kind of structure can make the clutch blocks return fast, and the resilience piece 110 of this kind of structure has area of contact big moreover, and intensity is high, advantages such as long service life.

Example 3

This embodiment is different from embodiment 2 in that: the fixing member 109 is a bolt.

Claims

1. A low drag, high stability brake pad, comprising: the brake pad comprises a brake pad body (100), guide lugs (101) are arranged on two sides of the brake pad body (100), the surfaces, facing a brake disc, of the guide lugs (101) are arc-shaped surfaces (103) and form arc-shaped openings (102), the horizontal plane, where the center of gravity of the brake pad body (100) is located, is intersected with the arc-shaped surfaces (103), and the intersection point is a contact point (104) of a return mechanism.

2. A low drag, high stability brake pad according to claim 1, wherein: the guide lug (101) is an arc-shaped piece, and an arc-shaped opening (102) of the guide piece faces to the braking side of the brake pad.

3. A low drag, high stability brake pad according to claim 1, wherein: the guide lug (101) is arranged in the middle of the left side part and the right side part of the brake pad body (100).

4. A low drag, high stability brake pad according to claim 1, wherein: after the brake pad is worn, the horizontal plane where the gravity center of the brake pad body (100) is located is still intersected with the arc-shaped surface (103) of the arc-shaped opening (102), and after the friction surface of the brake pad body (100) is worn, the intersection point of the plane where the gravity center of the brake pad body (100) is located and the arc-shaped surface (103) moves outwards.

5. A low drag, high stability brake pad according to claim 1 or 2 or 3 or 4, wherein: the brake pad body (100) and the guide lug (101) are of an integrally molded structure.

6. Braking piece return mechanism, its characterized in that: the brake block comprises an inner brake block (105) and an outer brake block (106) as claimed in any one of claims 1 to 5, and further comprises a caliper body, wherein a brake area is formed on the caliper body, the inner brake block (105) is driven by an inner driving mechanism, the outer brake block (106) is driven by an outer driving mechanism, guide grooves (107) matched with the guide lugs (101) are formed in the left side and the right side of the brake area, a return component (108) is installed on the inner wall of the brake area of the caliper body, the return component (108) acts on the bottom surface of the arc-shaped opening (102), the collision point (104) is coincident with the horizontal plane where the center of gravity of the brake block body (100) is located, the return component (108) is pressed in the brake process of braking of the brake block to enable the return component (108) to deform and accumulate potential energy, the braking force is removed, and the return component (108) releases the potential energy to enable the brake block to return.

7. The brake pad return mechanism of claim 6, wherein: return subassembly (108) are including mounting (109) and resilience piece (110), the reed piece of resilience piece (110) structure as an organic whole, resilience piece (110) are including conflict portion (112) of one end, fixed part (113) of the other end, and connect in conflict portion (112), connecting portion (111) between fixed part (113), conflict portion (112) are including the contact strip and first resilience portion (119) of propping of tip, the width direction of conflict strip along the uide bushing extends, first semicircle resilience board (114) that first resilience portion (119) formed for buckling, the middle part of first semicircle resilience board (114) forms resilience mouth (115).

8. The brake pad return mechanism of claim 7, wherein: the connecting portion (111) comprises a first return plate (116) and a second return plate (117) bent at one end of the first return plate (116), the other end of the second return plate (117) is bent to form a first resilient portion (119), the second return plate (117) is a straight plate, and a second resilient portion (118) is formed between the second return plate (117) and the first return plate (116).

9. The brake pad return mechanism of claim 8, wherein: the fixing part (113) is a horizontal plate, and the fixing piece (109) is arranged in parallel with the brake block.

10. The brake pad return mechanism of claim 7, wherein: the resilient member (110) is of an integral stamped construction.