CN220828457U - Caliper with active return friction plate - Google Patents

Caliper with active return friction plate Download PDF

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Publication number
CN220828457U
CN220828457U CN202322799512.6U CN202322799512U CN220828457U CN 220828457 U CN220828457 U CN 220828457U CN 202322799512 U CN202322799512 U CN 202322799512U CN 220828457 U CN220828457 U CN 220828457U
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CN
China
Prior art keywords
friction plate
piston
piece
spring piece
friction
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CN202322799512.6U
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Chinese (zh)
Inventor
王勇
易西林
刘栋良
赵国鑫
邱元军
佟一男
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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Priority to CN202322799512.6U priority Critical patent/CN220828457U/en
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Abstract

The utility model discloses a caliper capable of actively returning a friction plate, which comprises the friction plate and a piston for driving the friction plate, wherein the piston is connected to the friction plate through a connecting piece, and the connecting piece applies a pretightening force towards the piston to the friction plate.

Description

Caliper with active return friction plate
Technical Field
The utility model belongs to the field of chassis braking system braking calipers, relates to a caliper friction plate return device, and particularly relates to a caliper with active friction plate return.
Background
At present, a reed return mechanism is adopted for a brake caliper friction plate on a passenger car and a commercial car, the problem that the friction plate is insufficient in return after the brake of the structure is carried out in the running process of the vehicle is likely to occur, the insufficient return of the friction plate can cause the incomplete separation of a brake disc and the friction plate, so that the driving dragging force is large, and the problem that the reed is easy to fall off due to the fact that the reed is exposed outside in the conventional reed return mechanism is caused, so that the abnormal sound of the brake caliper is caused in the running process of the vehicle.
Therefore, it is needed to provide a caliper with active return of a friction plate, which can solve the problems of return of the friction plate and abnormal running noise of the brake caliper in the prior art.
Disclosure of utility model
In view of the above, the utility model provides the caliper with the active return of the friction plate, the piston is arranged into the cup-shaped structure, the opening of the piston of the cup-shaped structure faces the friction plate, and finally the piston is connected with the friction plate through the connecting piece, the piston on the caliper moves outwards under the pushing of oil pressure during braking to push the friction plate to be in contact with the brake disc, the rotating speed of the wheel is reduced, the foot brake is released after the braking is stopped, the piston on the caliper is reset to an initial state under the driving of external force, the friction plate is driven to be far away from the brake disc through the connecting piece, and the problems that the return of the friction plate is insufficient and the reed of the existing reed return mechanism is easy to fall off and the abnormal sound of the running of the brake caliper in the prior art are solved.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model provides a calliper of friction disc initiative return, includes the friction disc and is used for driving the piston of friction disc, the piston passes through the connecting piece and connects in the friction disc, the connecting piece applys the pretightning force towards the piston to the friction disc.
Further, the piston is the cup-shaped structure, the piston opening of cup-shaped structure is towards the friction disc, connecting piece one end is fixed in the friction disc, and the other end stretches into and connects in the inside of cup-shaped structure piston.
Further, the connecting piece is a clamping piece, and the piston is clamped on the friction plate through the clamping piece.
Further, the clamping piece comprises a spring piece, the spring piece is uniformly distributed along the circumferential direction and is inclined outwards, and an annular bulge matched with the part of the spring piece, which is inclined outwards, is formed in the piston.
Further, after the spring piece is inclined outwards, the end part of the spring piece is folded back towards the inner side in a smooth transition mode.
Further, the cross section of the outer surface of the annular bulge inside the piston is a smooth curve.
Further, the spring piece is fixed to the friction plate through a spring piece seat.
Further, the spring pieces share a spring piece seat and are uniformly distributed around the spring piece seat.
Further, the spring piece is integrally formed with the spring piece seat.
Further, the number of the pistons is at least two, and the pistons are respectively connected to the friction plates through connecting pieces.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model provides a calliper of friction disc initiative return is through setting up the piston into the cup structure to with the piston opening orientation friction disc of cup structure, link together piston and friction disc through the connecting piece at last, the piston on the calliper moves outside under the promotion of oil pressure during the brake, promotes friction disc and brake disc contact, reduces wheel rotational speed, and after the brake stopped, the foot brake is released, and the piston on the calliper resets to initial condition under the drive of external force, drives the friction disc through the connecting piece and keeps away from the brake disc, and is more abundant than in the friction disc return of current reed return mechanism, avoids driving that leads to inadequately because of brake disc and friction disc separation drags the power greatly.
According to the utility model, the spring piece inclined outwards is clamped with the annular bulge formed in the piston, the spring piece in the connecting piece is connected in the piston in the braking process, the friction piece and the piston move synchronously in the braking process, the spring piece is arranged in the piston and is not easy to be lost by external force, the problem that the spring piece is easy to damage and fall off in the process of dismounting the friction piece and vehicle running due to the fact that the spring piece return spring (splayed spring and the like) is exposed outside the caliper in the traditional friction piece is effectively solved, and the matching structure of the spring piece inclined outwards and the annular bulge in the piston is simple, and the friction piece is convenient and fast to replace.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the connector of the present utility model;
FIG. 3 is a schematic view of a connector according to the present utility model;
fig. 4 is a schematic illustration of the mating of the piston and connector of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Fig. 1 is a schematic cross-sectional view of an overall structure of the utility model, fig. 2 is a schematic top view of a connecting piece of the utility model, fig. 3 is a schematic structural view of the connecting piece of the utility model, fig. 4 is a schematic cooperation of a piston and the connecting piece of the utility model, a caliper for actively returning the friction piece is shown as shown, the caliper comprises a friction piece 3 and a piston 2 for driving the friction piece 3, the piston 2 is connected with the friction piece 3 through the connecting piece 1, the connecting piece 1 applies a pretightening force towards the piston 2 to the friction piece 3, compared with the traditional friction piece which adopts reed return springs (splayed springs and the like) to be exposed outside the caliper, the friction piece 3 is connected with the piston 2 through the connecting piece 1 under the condition that the reed is easy to damage and fall off in the process of disassembling the friction piece and driving a vehicle, the piston 2 on the caliper is pushed to be contacted with a brake disc under the pushing of oil pressure, the friction piece 3 is pushed to be contacted with the brake disc under the pushing of the driving of the oil pressure, after braking is stopped, the foot brake is released, the piston 2 on the caliper is reset to an initial state under the driving of an external force, the friction piece is applied to the pretightening force towards the piston 2 through the connecting piece 1, the friction piece 3 is far away from the friction piece 3, and the existing friction piece is more fully separated from the brake disc due to the fact that the friction piece is far from the friction piece is not sufficiently separated.
In this embodiment, the piston 2 is of a cup-shaped structure, the opening of the piston 2 of the cup-shaped structure faces the friction plate 3, one end of the connecting piece 1 is fixed on the back plate of the friction plate 3, and the other end of the connecting piece extends into the piston 2 of the cup-shaped structure, and the output end of the piston 2 is designed into a cup-shaped structure and is in a space for accommodating the connecting piece 1 together with the back plate of the friction plate 3, so that the connecting piece is prevented from being exposed outside.
In this embodiment, the connecting piece 1 is the joint piece, the piston 2 passes through joint piece joint in friction disc 3, through setting up connecting piece 1 into the joint piece, the change maintenance of friction disc 3 of being convenient for.
In this embodiment, the clamping piece is a spring piece 101, the spring piece 101 is a plurality of annular protrusions 202 which are uniformly distributed along the circumferential direction and incline outwards, the piston 2 is internally provided with annular protrusions 202 which are matched with the inclined parts of the spring piece 101 outwards, the spring piece 101 is fixed on the back plate of the friction plate 3 through a spring piece seat 102, a plurality of spring pieces 101 share one spring piece seat 102 and are uniformly distributed around the spring piece seat 102, the spring piece 101 inclined outwards is clamped with the annular protrusions 202 formed in the piston 2 through the spring piece 101 inclined outwards, the spring piece 101 inclined outwards not only can provide clamping force outwards to the periphery of the spring piece seat 102, but also can provide drawing force to the piston 2 for the friction plate 3, when the piston 2 returns, the spring piece 101 deforms along with the change of the drawing force to enable the drawing force provided by the friction plate 3 to be large, and the design of the plurality of friction pieces 101 enables the elastic association and the stress to be more uniform.
In this embodiment, after the spring piece 101 is inclined outwards, the end portion of the spring piece 101 is folded back towards the inside in a smooth transition manner, the cross section of the outer surface of the annular protrusion 202 inside the piston 2 is a smooth curve, the spring piece 101 inclined towards the outer side of the periphery of the spring piece seat 102 is folded back towards the inner side in a smooth transition manner at one end of the spring piece 101 far away from the spring piece seat 102, and when the spring piece 101 is matched with the annular protrusion 202 with the cross section of the outer surface being a smooth curve, the service life of the spring piece is prolonged due to the fact that the stress concentration is reduced in the braking process in a smooth transition manner, and the spring piece is simple in smooth transition and folding design structure, convenient to install and detach and convenient to maintain and replace.
In this embodiment, a plurality of spring pieces 101 share a spring piece seat 102, and evenly distributed in around the spring piece seat 102, spring piece 101 integrated into one piece in spring piece seat 102, piston 2 be two at least, and respectively through connecting piece 1 connect in friction disc 3, integrated into one piece's connecting piece 1 is convenient for install, also possess stronger rigidity, and the design of a plurality of pistons 2 makes friction disc 3 more steady when ejecting and return, and the joint is also more evenly dispersed in connecting piece 1 atress between piston 2 and friction disc 3.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (10)

1. A calliper of friction disc initiative return, its characterized in that: the friction plate comprises a friction plate and a piston for driving the friction plate, wherein a connecting piece is riveted on the friction plate, the connecting piece is clamped in the piston, and the connecting piece applies pretightening force towards the piston to the friction plate.
2. The friction plate active return caliper according to claim 1, wherein: the piston is of a cup-shaped structure, a piston opening of the cup-shaped structure faces the friction plate, one end of the connecting piece is fixed on the friction plate, and the other end of the connecting piece stretches into and is connected with the inside of the piston of the cup-shaped structure.
3. The friction plate active return caliper according to claim 1, wherein: the connecting piece is a clamping piece, and the piston is clamped on the friction plate through the clamping piece.
4. A friction plate active return caliper according to claim 3, characterized in that: the clamping piece comprises a spring piece, the spring piece is uniformly distributed along the circumferential direction and is inclined outwards, and an annular bulge matched with the part of the spring piece, which is inclined outwards, is formed in the piston.
5. The friction plate active return caliper according to claim 4, wherein: the end part of the spring piece is folded back towards the inner side in a smooth transition way after the spring piece is inclined outwards.
6. The friction plate active return caliper according to claim 4, wherein: the cross section of the outer surface of the annular bulge inside the piston is a smooth curve.
7. The friction plate active return caliper according to claim 4, wherein: the spring piece is fixed on the friction plate through a spring piece seat.
8. The friction plate active return caliper according to claim 7, wherein: the spring pieces share one spring piece seat and are uniformly distributed around the spring piece seat.
9. The friction plate active return caliper according to claim 7, wherein: the spring piece is integrally formed with the spring piece seat.
10. The friction plate active return caliper according to claim 1, wherein: the number of the pistons is at least two, and the pistons are respectively connected with the friction plates through connecting pieces.
CN202322799512.6U 2023-10-18 2023-10-18 Caliper with active return friction plate Active CN220828457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322799512.6U CN220828457U (en) 2023-10-18 2023-10-18 Caliper with active return friction plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322799512.6U CN220828457U (en) 2023-10-18 2023-10-18 Caliper with active return friction plate

Publications (1)

Publication Number Publication Date
CN220828457U true CN220828457U (en) 2024-04-23

Family

ID=90725829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322799512.6U Active CN220828457U (en) 2023-10-18 2023-10-18 Caliper with active return friction plate

Country Status (1)

Country Link
CN (1) CN220828457U (en)

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