CN209262127U - Friction plate return spring - Google Patents
Friction plate return spring Download PDFInfo
- Publication number
- CN209262127U CN209262127U CN201822061345.4U CN201822061345U CN209262127U CN 209262127 U CN209262127 U CN 209262127U CN 201822061345 U CN201822061345 U CN 201822061345U CN 209262127 U CN209262127 U CN 209262127U
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- China
- Prior art keywords
- friction plate
- return spring
- arm
- plate return
- elastic
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- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The utility model provides a kind of friction plate return spring, has and is capable of clamping the clamping part on friction plate trunnion, and is integrally formed elastic portion on the holder portion；Clamping part has the roof and bottom wall for setting up the two sides above and below friction plate trunnion separately, and lateral wall is connected between roof and bottom wall；Elastic portion has elastic arm, and elastic arm can be resiliently connected on lateral wall by connection structure, and connection structure can be connected on friction plate trunnion.The utility model is played fixed and positioning action clad type structure to friction plate by being arranged in friction plate trunnion end and is formed being located at the elastic construction that return is played to friction plate in caliper bracket side.Relatively conventional product, the resilient arm structure of the utility model, braking process can not only play return to friction plate, in product life cycels, along with the abrasion of friction plate, the friction plate return spring is providing stable returning place force simultaneously, moreover it is possible to optimization be common in vehicle since the quack sound noise problem of improper generation is designed in gap.
Description
Technical Field
The utility model relates to a vehicle brake technical field especially relates to an use friction disc return spring on vehicle braking pincers.
Background
Return springs are various mating and form mechanical components that can be incorporated into the caliper, the pad return springs being designed to assist in the retraction of the pads from the rotating brake disc. The piston seals provide the primary means of retracting the piston after hydraulic pressure is applied, so that a gap may be created between the friction plates and the brake disks. However, it is sometimes necessary to overcome the various other residual axial sliding forces by additional mechanical means against the sliding forces in the caliper bracket or caliper suspension. This may be necessary to create very low drag performance.
Many different return springs have been designed and developed in the prior art, but these designs and developments often fail to effectively combine the return function with the additional necessity of providing sufficient friction plate resistance to vibration and mitigating the high differential retraction forces between full thickness and fully worn friction plates.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a friction disc return spring can be in the friction disc wearing and tearing in-period, the change of rocking and power of impedance friction disc.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a friction plate return spring, which is provided with a clamping part which can be clamped on a friction plate support lug and an elastic part which is integrally formed on the clamping part; wherein,
the clamping part is provided with a top wall and a bottom wall which are respectively arranged at the upper side and the lower side of the friction plate support lug, and an outer side wall is connected between the top wall and the bottom wall;
the elastic part is provided with an elastic arm which can be elastically connected to the outer side wall through a connecting structure, and the connecting structure can be abutted to the friction plate support lug.
The utility model discloses an in the embodiment, the friction disc journal stirrup can establish the cooperation with calliper support card, the lateral wall clamp is established the friction disc journal stirrup with between the calliper support.
In an embodiment of the present invention, the outer sidewall is formed with a deformation portion, and a gap is formed between the deformation portion and the caliper bracket.
In an embodiment of the present invention, the deformation portion is an arc-shaped groove formed in the friction plate lug in a concave manner.
The utility model discloses an in the embodiment friction disc return spring is in under the state of free position, the elastic arm is located the outside of lateral wall and with lateral wall parallel arrangement.
In an embodiment of the present invention, the gap between the elastic arm and the outer sidewall is 2 mm.
In an embodiment of the present invention, the connection structure and the elastic arm are connected to an extension arm therebetween, and the extension arm is perpendicular to the elastic arm.
The utility model discloses an in the embodiment, connection structure comprises the S-shaped arm and the straight arm that are connected, the S-shaped arm is connected on the lateral wall, straight arm with the extension arm links to each other.
In an embodiment of the present invention, the connecting structure abuts against the friction plate lug, and the free end of the elastic arm abuts against the state of the caliper bracket, and an opening portion is formed between the elastic arm and the S-shaped arm.
In an embodiment of the present invention, the friction plate return spring is an integrally formed member having a body and a rubber layer attached to the body.
The utility model discloses a friction disc return spring's characteristics and advantage are: the friction plate return spring relatively increases the elastic deformation range of the elastic arm, and the 'preloading force' of the elastic arm on the friction plate can be reduced along with the abrasion of the friction plate and the increase of the normal elastic reaction force. The utility model discloses an adopt the elastic arm that is connected, extension arm and connection structure's structural design for friction disc return spring can be with predetermined load elasticity folding, and the elastic deformation scope of this elasticity portion can change by oneself during the wear life of friction disc, can prevent the ga sound and the power change of friction disc.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a state diagram of the friction plate return spring of the present invention in a free position.
Fig. 2 is a diagram of the state that the friction plate return spring of the present invention is elastically opened.
Fig. 3 is a schematic structural view of the friction plate return spring of the present invention connected to the friction plate support lug.
Fig. 4 is a schematic structural diagram of the friction plate return spring of the present invention connected between the friction plate lug and the caliper bracket.
Fig. 5 is a front view of the friction plate return spring, friction plate lug, and caliper bracket of the present invention.
Fig. 6 is a sectional view taken along line a-a of fig. 5.
Fig. 7 is an enlarged view of a portion B of fig. 6.
Description of the symbols of the drawings: 1. a clamping portion; 11. a top wall; 111. bending the wall; 12. a bottom wall; 121. bending the wall; 13. an outer sidewall; 131. bending the wall; 132. a deformation section; 14. an opening; 2. an elastic portion; 21. a resilient arm; 211. a short side; 212. a long side; 22. a connecting structure; 221. an S-shaped arm; 222. a straight arm; 23. an extension arm; 24. an opening part; 10. a friction plate; 101. friction plate support lugs; 102. a friction plate back plate; 20. a caliper bracket; l, a gap; F. a tangential load.
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.
The up, down, front and back positional relationships described herein are based on those shown in fig. 3.
As shown in fig. 1 to 3, the present invention provides a friction plate return spring, which has a clamping portion 1 capable of being clamped on a friction plate support lug 101 of a friction plate 10, and an elastic portion 2 integrally formed on the clamping portion 1; the clamping part 1 is provided with a top wall 11 and a bottom wall 12 which are respectively arranged at the upper side and the lower side of the friction plate support lug 101, and an outer side wall 13 is connected between the top wall 11 and the bottom wall 12; the elastic portion 2 has an elastic arm 21, the elastic arm 21 is elastically connected to the outer sidewall 13 by a connection structure 22, and the connection structure 22 can abut against the friction plate lug 101.
Specifically, the clamping portion 1 is substantially in the shape of a rectangular parallelepiped frame, and has a top wall 11 and a bottom wall 12, an outer side wall 13 is connected between one side of the top wall 11 and one side of the bottom wall 12, and an opening 14 is formed between the other side of the top wall 11 and the other side of the bottom wall 12 for inserting the friction plate lug 101. In this embodiment, the front side of the top wall 11 is bent downward to form a bent wall 111, the front side of the bottom wall 12 is bent upward to form a bent wall 121, the front side of the outer sidewall 13 is bent leftward to form a bent wall 131, and when the clamping portion 1 is sleeved on the friction plate lug 101, the bent wall 111, the bent wall 121 and the bent wall 131 form a structure wrapping the friction plate lug 101, so that the clamping portion 1 can be more stably connected with the friction plate lug 101.
When the friction plate lugs 101 of the friction plates 10 are engaged with the caliper bracket 20, the outer side wall 13 of the clamping portion 1 is just clamped between the friction plate lugs 101 and the caliper bracket 20. In the present invention, as shown in fig. 5 to 7, the outer side wall 13 is formed with a deformation portion 132, and a gap L is formed between the deformation portion 132 and the caliper bracket 20. The deformation portion 132 is designed such that the friction plate return spring is deformed under a tangential load F from the friction plate 10, thereby buffering the impact and alleviating the wobbling of the friction plate 10. In the present embodiment, the deformation portion 132 is an arc-shaped groove recessed toward the friction plate lug 101, but in other embodiments, the deformation portion 132 may be designed to have a wave-shaped structure, etc., as long as the gap L is formed between the deformation portion 132 and the caliper bracket 20, and the invention is not limited thereto.
The elastic portion 2 is connected to the rear side of the outer side wall 13 of the grip portion 1, and the elastic portion 2 can be elastically provided with respect to the grip portion 1. The elastic arm 21 of the elastic portion 2 is substantially in the shape of an L-shaped plate, and has a short side 211 and a long side 212, when the clamping portion 1 is sleeved on the friction plate support lug 101 and the friction plate 10 is clamped on the caliper bracket 20 through the friction plate support lug 101, the short side 211 of the elastic arm 21 just abuts on the caliper bracket 20 to generate a force for pulling the friction plate 10, so as to make the friction plate far away from the brake disc.
The elastic arm 21 is elastically connected to the rear side of the outer sidewall 13 through a connecting structure 22, and in the embodiment, an extension arm 23 is connected between the connecting structure 22 and the elastic arm 21, and the extension arm 23 is perpendicular to the elastic arm 21. When the friction plate return spring is connected to the friction plate lug 101 of the friction plate 10 and the friction plate lug 101 is clamped to the caliper bracket 20, the elastic arm 21 of the friction plate return spring abuts against the caliper bracket 20, and at this time, the connecting structure 22 contacts with the friction plate lug 101 and generates a pressing force toward the friction plate lug 101.
In the present invention, the connecting structure 22 is composed of the S-shaped arm 221 and the straight arm 222 connected to each other, the S-shaped arm 221 is connected to the outer sidewall 13, and the straight arm 222 is connected to the elastic arm 21 through the extension arm 23. The connecting structure 22 is substantially V-shaped and is in press fit with the friction plate lug 101 through the joint of the S-shaped arm 221 and the straight arm 222.
According to an embodiment of the present invention, as shown in fig. 1, in a state where the friction plate return spring is in the free position, the elastic arm 21 is located outside the outer side wall 13 and is disposed in parallel with the outer side wall 13. In this state, the friction plate return spring is in a non-elastic working state, and the gap between the elastic arm 21 and the outer side wall 13 is 2 mm.
According to an embodiment of the present invention, as shown in fig. 2 and 4, in a state that the connection structure 22 is pressed against the friction plate lug 101 and the free end of the elastic arm 21 is pressed against the caliper bracket 20, an opening 24 is formed between the elastic arm 21 and the S-shaped arm 221. In this state, the spring arm 21 is expanded away from the outer side wall 13, so that the friction plate return spring is in a state of being elastically operated.
The utility model discloses a friction disc return spring is integrated into one piece spare, and it has the body and attached the rubber layer on the body. Namely, the friction plate return spring is made of damping steel materials, and the purpose of absorbing Rattle (Rattle) caused by front and back braking or vibration is achieved.
Further, the utility model discloses a friction disc return spring, its elastic arm 21 realize being connected with clamping part 1 through extension arm 23 and connection structure 22, and its elastic deformation scope that has increased elastic arm 21 relatively, this friction disc return spring can reduce along with the wearing and tearing of friction disc backplate 102 of friction disc 10 and the increase of normal elasticity reaction force to the "preloading force" of friction disc 10. Most of the high deflection load springs of the prior art result in much greater retraction forces as the pads wear than the new full thickness pads, which can result in excessive force being applied to the piston, which can result in excessive piston retraction and over-travel of the brake pedal in the vehicle. The utility model discloses an adopt the structure of the elastic component 2 of the elastic arm 21 that is connected, extension arm 23 and connection structure 22 for friction disc return spring can be with predetermined load elastic deformation, and the elastic deformation scope of this elastic component 2 can change by oneself during the wearing and tearing life-span of friction disc backplate 102, can prevent the Rattle (Rattle) and the power change of friction disc backplate 102.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A friction plate return spring is characterized by comprising a clamping part and an elastic part, wherein the clamping part can be clamped on a friction plate support lug; wherein,
the clamping part is provided with a top wall and a bottom wall which are respectively arranged at the upper side and the lower side of the friction plate support lug, and an outer side wall is connected between the top wall and the bottom wall;
the elastic part is provided with an elastic arm which can be elastically connected to the outer side wall through a connecting structure, and the connecting structure can be abutted to the friction plate support lug.
2. The friction plate return spring as described in claim 1 wherein said friction plate lugs are adapted to snap fit with a caliper bracket, said outer sidewall being sandwiched between said friction plate lugs and said caliper bracket.
3. The friction plate return spring as described in claim 2 wherein said outer side wall has a deformation formed thereon, said deformation forming a gap with said caliper bracket.
4. A friction plate return spring as described in claim 3 wherein said deformer is an arcuate groove recessed toward said friction plate lugs.
5. A friction plate return spring as claimed in claim 3 or 4 wherein said resilient arms are located outwardly of and parallel to said outer side wall in a free position of said friction plate return spring.
6. The friction plate return spring as described in claim 5 wherein the clearance between said resilient arm and said outer side wall is 2 mm.
7. A friction plate return spring as described in claim 2 wherein an extension arm is connected between said connecting structure and said resilient arm, said extension arm being disposed perpendicular to said resilient arm.
8. A friction plate return spring as described in claim 7 wherein said connecting structure is comprised of an S-shaped arm and a straight arm connected, said S-shaped arm being connected to said outer side wall and said straight arm being connected to said extension arm.
9. The friction plate return spring as described in claim 8, wherein an opening is formed between said resilient arm and said S-shaped arm in a state where said connecting structure abuts against said friction plate lug and a free end of said resilient arm abuts against said caliper bracket.
10. The friction plate return spring as described in claim 1 wherein said friction plate return spring is an integrally formed piece having a body and a rubber layer attached to said body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061345.4U CN209262127U (en) | 2018-12-10 | 2018-12-10 | Friction plate return spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822061345.4U CN209262127U (en) | 2018-12-10 | 2018-12-10 | Friction plate return spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262127U true CN209262127U (en) | 2019-08-16 |
Family
ID=67562532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822061345.4U Active CN209262127U (en) | 2018-12-10 | 2018-12-10 | Friction plate return spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262127U (en) |
-
2018
- 2018-12-10 CN CN201822061345.4U patent/CN209262127U/en active Active
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