Spring element and brake lining assembly

Abstract

The application relates to a spring piece and a friction plate assembly of a brake. The spring piece comprises a U-shaped connecting part with an opening and two ends, a first supporting leg and a second supporting leg, both of which are connected with the U-shaped connecting part and protrude from the U-shaped connecting part, and a first elastic piece and a second elastic piece, both of which are connected with the U-shaped connecting part and protrude from the U-shaped connecting part. The spring piece has the supporting function and the return function, the number of parts is reduced, and the production cost is lowered.

Description

Technical Field

[0001] This invention relates to spring components and friction pad assemblies for brakes. Background Technology

[0002] Brakes achieve their braking function through the friction of friction pads. The friction pads are mounted on a bracket and are movable. When braking is needed, the friction pads move to contact the brake disc; after braking, the friction pads return to their original position. This return is achieved using a return mechanism. In automotive applications, due to the frequent use of the brakes, the friction pads move very frequently. Lubrication is required during the movement of the friction pads to reduce friction.

[0003] The existing return device requires two parts to realize the supporting and lubricating functions of the friction plate and the return function, which is complex to manufacture and costly; moreover, the return device is fixed on the bracket, which poses a risk of displacement and scraping the brake disc. Summary of the Invention

[0004] One of the objectives of this invention is to overcome the shortcomings of the prior art and provide a friction pad assembly for a spring component and a brake with a simple structure.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solution:

[0006] A spring component, characterized in that it comprises:

[0007] The U-shaped connecting part has an opening and two ends;

[0008] The first support foot and the second support foot are respectively connected to both ends of the connecting part of the U-shape and protrude from the connecting part of the U-shape;

[0009] The first and second springs are respectively connected to both ends of the U-shaped connecting part and protrude from the connecting part of the U-shape.

[0010] According to one embodiment of the present invention, the first support leg and the second support leg protrude from the U-shaped connecting portion in the same direction along the horizontal direction.

[0011] According to one embodiment of the present invention, the first support foot, the second support foot, the first spring piece, and the second spring piece extend in the opposite direction to the opening of the U-shaped connecting portion along the horizontal direction.

[0012] According to one embodiment of the present invention, the first support foot and the second support foot are respectively connected to the ends of the U-shaped connecting part, and the three are connected to form an arc shape.

[0013] According to one embodiment of the present invention, the first support leg, the U-shaped connecting part, and the second support leg are connected to form an arc shape.

[0014] According to one embodiment of the present invention, the extension angles of the first support leg and the second support leg may be the same or different.

[0015] According to one embodiment of the present invention, the first support foot and the second support foot extend horizontally, extend obliquely, or one of them extends horizontally and the other extends obliquely.

[0016] According to one embodiment of the present invention, the end of the first spring and / or the end of the second spring are provided with a bend.

[0017] According to one embodiment of the present invention, along the width direction, the first support leg and the first spring are connected side by side to one end of the U-shaped connecting portion; the second support leg and the second spring are connected side by side to the other end of the U-shaped connecting portion.

[0018] According to one embodiment of the present invention, the first spring and the first support foot protrude in the same direction from the connecting portion of the U-shape, and / or the second spring and the second support foot protrude in the same direction from the connecting portion of the U-shape.

[0019] According to one embodiment of the present invention, the end of the first support foot protrudes beyond the end of the first spring piece, and / or the end of the second support foot protrudes beyond the end of the second spring piece.

[0020] According to one embodiment of the present invention, in the vertical direction, the end of the first spring sheet protrudes beyond the end of the first support foot, and / or the end of the second spring sheet protrudes beyond the end of the second support foot.

[0021] According to one embodiment of the present invention, the U-shaped connecting part, the first supporting leg, the second supporting leg, the first spring and the second spring are integral parts, and / or at least one of the first spring and the second spring is arc-shaped.

[0022] According to one embodiment of the present invention, the U-shaped connecting portion is provided with a through hole.

[0023] A friction pad assembly for a brake, characterized in that it comprises:

[0024] support;

[0025] The aforementioned spring component; there are multiple spring components; the spring components are mounted on the bracket;

[0026] A friction plate is movably mounted on the bracket; both ends of the friction plate are respectively connected to the U-shaped connecting portions of two spring members.

[0027] The first and second spring pieces of the spring abut against the bracket; when the friction plate moves, it deforms the first and second spring pieces of the spring to generate elastic force, which tends to reset the friction plate.

[0028] According to one embodiment of the present invention, the friction plate is riveted to the spring member.

[0029] According to one embodiment of the present invention, the first support foot and the second support foot are respectively located on the upper and lower sides of the friction plate; the first support foot is in contact with the surface of the friction plate.

[0030] According to one embodiment of the invention, the second support leg is provided with preload force by being compressed and deformed by the bracket.

[0031] According to one embodiment of the present invention, the friction pad includes a back plate, a pad body, and a lug, the lug being disposed at the end of the back plate and protruding from the back plate; the bracket is provided with a sliding groove; the lug is located in the sliding groove and can slide along the sliding groove; the spring is disposed at one end of the sliding groove, the first spring piece and the second spring piece abutting against the end face of the sliding groove; the first support foot and the second support foot are located between the lug and the groove wall of the sliding groove.

[0032] According to one embodiment of the present invention, the U-shaped connecting portion is provided with a through hole, and the lug is provided with a protrusion, the protrusion being inserted into the through hole and riveted to the spring member.

[0033] The friction plate assembly of the spring component and brake in this invention utilizes a U-shaped connecting portion to connect with the friction plate, ensuring a stable and reliable connection. The first and second support legs clamp the friction plate from the top and bottom respectively, providing both vertical support and lubrication between the friction plate and the support, reducing resistance to friction plate movement. The first and second spring plates provide both horizontal support and the power required for the friction plate to return to its original position. The spring component is a single piece, simple in structure, easy to manufacture, and convenient to use. The spring component in this invention simultaneously provides support and return functions, reducing the number of parts and lowering production costs. The first and second support legs, the first and second spring plates extend in the opposite direction to the opening of the U-shaped connecting portion, giving the U-shaped connecting portion a certain degree of elasticity. The first and second support legs, the first and second spring plates also possess elasticity, making them more convenient to use. The U-shaped connecting portion is used for installation, resulting in a more stable connection. Horizontally, the end of the first support leg protrudes beyond the end of the first spring piece, and / or the end of the second support leg protrudes beyond the end of the second spring piece; vertically, the end of the first support leg is lower than the end of the first spring piece, and / or the end of the second support leg is higher than the end of the second spring piece, making the spring element in this invention applicable to existing bracket structures, thus broadening its applicability. The first or second support leg extends obliquely and, when installed in the bracket, deforms under pressure to provide preload, while simultaneously providing vertical support to maintain the position of the friction plate within the bracket. The first and second spring pieces provide both horizontal support and spring force for the friction plate to return to its original position. The first and second spring pieces are designed in an arc shape to increase durability. The lugs on the back plate are chamfered to allow the first support leg to adapt to back plates of different thicknesses. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the friction pad assembly structure of the brake in this invention.

[0035] Figure 2 This is an exploded view of the friction pad assembly structure of the brake in this invention.

[0036] Figure 3 A schematic diagram of the friction plate structure in this invention.

[0037] Figure 4 This is a schematic diagram of the first spring component in this invention.

[0038] Figure 5 This is a front view schematic diagram of the first spring component structure in this invention.

[0039] Figure 6 This is a schematic diagram illustrating the working principle of the first spring component in this invention.

[0040] Figure 7 This is a schematic diagram of the second spring component in this invention. Detailed Implementation

[0041] like Figure 1 , 2 As shown, the friction pad assembly 100 of the brake according to the present invention includes a bracket 110, an outer friction pad 120, an inner friction pad 130, a first spring member 140, and a second spring member 150. Both the outer friction pad 120 and the inner friction pad 130 are movably mounted on the bracket 110. The outer friction pad 120 and the inner friction pad 130 are collectively referred to as friction pads. The first spring member 140 and the second spring member 150 are collectively referred to as spring members. The first spring member 140 and the second spring member 150 are structurally symmetrical. The first spring member 140 and the second spring member 150 are respectively provided at both ends of the outer friction pad 120. The first spring member 140 and the second spring member 150 are respectively provided at both ends of the inner friction pad 130. The first spring member 140 and the second spring member 150 form a group, jointly providing support force and return force for the outer friction pad 120 and the inner friction pad 130.

[0042] The bracket 110 is provided with four sliding grooves 111. Each sliding groove 111 is surrounded by a groove wall 112. The groove wall 112 has an outer end face 113 and an inner end face 114. Every two sliding grooves 111 form a group, and the two sliding grooves 111 in the same group are arranged at intervals to jointly position and guide the outer friction plate 120 or the inner friction plate 130. The two groups of sliding grooves 111 are arranged at intervals along the movement path of the friction plate.

[0043] like Figures 1 to 3 As shown, the outer friction plate 120 includes a back plate 121 and a plate body 122. The back plate 121 is used for mounting and fixing, and the plate body 122 is used for friction braking. Lugs 123 are provided at both ends of the back plate 121. The lugs 123 protrude from the back plate 121. A protrusion 124 is provided on the lugs 123. The protrusion 124 protrudes from the lugs 123. The plate body 122 is mounted on the back plate 121. The inner friction plate 130 has the same structure as the outer friction plate 120, but their mounting positions on the bracket 110 differ.

[0044] like Figures 1 to 7As shown, the first spring member 140 includes a U-shaped connecting portion 141, a first support leg 142, a second support leg 143, a first spring piece 144, and a second spring piece 145. The U-shaped connecting portion 141 has an opening 146. The U-shaped connecting portion 141 has two ends, namely one end 147 and the other end 148. The U-shaped connecting portion 141 is provided with a through hole 1411. The first support leg 142 extends from one end 147 of the U-shaped connecting portion 141 and protrudes into the U-shaped connecting portion 141. The second support leg 143 extends from the other end 148 of the U-shaped connecting portion 141 and protrudes into the U-shaped connecting portion 141. In the horizontal direction, the first support leg 142 and the second support leg 143 protrude into the U-shaped connecting portion 141 in the same direction, and both face opposite directions to the opening 146, as shown. Figure 5 As shown, it protrudes to the left. (Example) Figure 5 As shown, along the horizontal direction, both the first support leg 142 and the second support leg 143 protrude to the left from the U-shaped connecting portion 141, and the opening 146 of the U-shaped connecting portion 141 faces to the right. The first support leg 142 and the second support leg 143 extend at different angles; the first support leg 142 extends horizontally, while the second support leg 143 extends diagonally. The first support leg 142, the U-shaped connecting portion 141, and the second support leg 143 form a "bow" shape.

[0045] One end 147 of the U-shaped connecting portion 141 is also connected to a first spring contact 144. The first spring contact 144 is arc-shaped and extends from one end 147 of the U-shaped connecting portion 141. Along the width direction, i.e. Figure 5 As shown perpendicular to the plane of the paper, the first spring piece 144 and the first support leg 142 are connected side-by-side at one end 147 of the U-shaped connecting portion 141. Horizontally, the first spring piece 144 and the first support leg 142 protrude from the U-shaped connecting portion 141 in the same direction, with the end 1421 of the first support leg 142 protruding beyond the end 1441 of the first spring piece 144. Vertically, the end 1441 of the first spring piece 144 protrudes beyond the end 1421 of the first support leg 142. A bend 1442 is provided at the end 1441 of the first spring piece 144.

[0046] The other end 148 of the U-shaped connecting portion 141 is also connected to a second spring piece 145. The second spring piece 145 is arc-shaped and extends from the other end 148 of the U-shaped connecting portion 141. Along the width direction, i.e., as shown... Figure 5As shown perpendicular to the paper, the second spring piece 145 and the second support leg 143 are connected side-by-side at the other end 148 of the U-shaped connecting portion 141. Horizontally, the second spring piece 145 and the second support leg 143 protrude from the U-shaped connecting portion 141 in the same direction, with the end 1431 of the second support leg 143 protruding beyond the end 1451 of the second spring piece 145. Vertically, the end 1451 of the second spring piece 145 protrudes beyond the end 1431 of the second support leg 143. A bend 1452 is provided at the end 1451 of the second spring piece 145.

[0047] The first spring component 140 is a single piece, namely the U-shaped connecting part 141, the first support leg 142, the second support leg 143, the first spring piece 144, and the second spring piece 145 are a single piece formed by cutting and processing.

[0048] The second spring 150 is structurally symmetrical to the first spring 140. The difference lies in the relative positions of the first spring piece 144 and the first support foot 142 along the width direction, and the relative positions of the second spring piece 145 and the second support foot 143 along the width direction. The symmetrical structure of the second spring 150 and the first spring 140 allows the first spring piece 144 to be positioned inside the first support foot 142 and the second spring piece 145 to be positioned inside the second support foot 143 after installation. This results in a more balanced force on the outer friction plate 120 or the inner friction plate 130. The first spring 140 and the second spring 150 are respectively connected to the lugs 123 at both ends of the outer friction plate 120. Specifically, the protrusions 124 are inserted into the through holes 1411 and riveted together.

[0049] The U-shaped connecting part 141 is located inside the slide groove 111. The first support leg 142 and the second support leg 143 of the first spring member 140 are respectively located between the lug 123 and the groove wall 112. The second support leg 143 is deformed under pressure to generate a preload. The end 1441 of the first spring piece 144 and the end 1451 of the second spring piece 145 abut against the outer end face 113 of the slide groove 111.

[0050] The outer friction plate 120 has a first spring 140 and a second spring 150 connected to its two ends, respectively. The inner friction plate 130 has a first spring 140 and a second spring 150 connected to its two ends, respectively. The second spring 150 is used in the same way as the first spring 140.

[0051] In use, the friction pad assembly 100 of this invention has a brake disc (not shown) located between the outer friction pad 120 and the inner friction pad 130. During braking, the driving force causes the outer friction pad 120 and the inner friction pad 130 to move towards each other until they both contact the brake disc, thus achieving braking. At this time, both the first spring 140 and the second spring 150 generate elastic force, tending to reset the outer friction pad 120 and the inner friction pad 130. When releasing the brake, the driving force is removed, and the outer friction pad 120, under the action of the first spring 140 and the second spring 150, and the inner friction pad 130, under the action of the first spring 140 and the second spring 150, move in opposite directions, both moving away from the brake disc and resetting, thus releasing the brake.

[0052] The foregoing is a preferred embodiment of the present invention. According to the embodiments of the present invention, the spring component may also have other alternative embodiments, such as: the U-shaped connecting portion may not have the through hole 1411; the end of the first spring piece 144 may not have a bend 1442; the end of the second spring piece 145 may not have a bend 1452; and other optional alternative embodiments according to the embodiments of the present invention. The outer friction piece 120 of the present invention may also have a chamfer 125 on the lug 123 of the back plate 121.

[0053] The horizontal direction described in this invention is... Figure 5 The left and right directions are for reference; the vertical direction is based on... Figure 5 The vertical direction is used as a reference; the width direction is based on... Figure 5 The direction perpendicular to the paper is used as a reference.

[0054] The friction plate assembly of the spring component and brake in this invention utilizes a U-shaped connecting portion to connect with the friction plate, ensuring a stable and reliable connection. The first and second support legs clamp the friction plate from the top and bottom respectively, providing both vertical support and lubrication between the friction plate and the support, reducing resistance to friction plate movement. The first and second spring plates provide both horizontal support and the power required for the friction plate to return to its original position. The spring component is a single piece, simple in structure, easy to manufacture, and convenient to use. The spring component in this invention simultaneously provides support and return functions, reducing the number of parts and lowering production costs. The first and second support legs, the first and second spring plates extend in the opposite direction to the opening of the U-shaped connecting portion, giving the U-shaped connecting portion a certain degree of elasticity. The first and second support legs, the first and second spring plates also possess elasticity, making them more convenient to use. The U-shaped connecting portion is used for installation, resulting in a more stable connection. Horizontally, the end of the first support leg protrudes beyond the end of the first spring piece, and / or the end of the second support leg protrudes beyond the end of the second spring piece; vertically, the end of the first support leg is lower than the end of the first spring piece, and / or the end of the second support leg is higher than the end of the second spring piece, making the spring element in this invention applicable to existing bracket structures, thus broadening its applicability. The first or second support leg extends horizontally, increasing the contact area between the support leg and the friction plate, and increasing the positioning area during riveting. The first or second support leg extends obliquely, providing preload by compressing and deforming when installed in the bracket, while simultaneously providing vertical support to maintain the position of the friction plate in the bracket. The first and second spring pieces provide both horizontal support and spring force for the friction plate to return to its original position. The first and second spring pieces are designed with an arc shape to increase durability. The lugs on the back plate are chamfered, allowing the first support leg to adapt to back plates of different thicknesses.

[0055] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions or improvements within the spirit of the present invention are covered within the scope of the claims of the present invention.

Claims

1. A spring member, characterized by, Comprising: a U-shaped connecting part having an opening and two ends; a first support leg and a second support leg respectively connected to the two ends of the U-shaped connecting part and protruding from the U-shaped connecting part; a first elastic piece and a second elastic piece respectively connected to the two ends of the U-shaped connecting part and protruding from the U-shaped connecting part; in a horizontal direction, the directions in which the first support leg, the second support leg, the first elastic piece and the second elastic piece extend are opposite to the direction in which the opening of the U-shaped connecting part faces; the U-shaped connecting part, the first support leg, the second support leg, the first elastic piece and the second elastic piece are an integral piece; the U-shaped connecting part is provided with a through hole.

2. The spring member of claim 1, wherein in a horizontal direction, the directions in which the first support leg and the second support leg protrude from the U-shaped connecting part are the same.

3. The spring member of claim 1, wherein the first support leg and the second support leg are respectively connected to the ends of the U-shaped connecting part, and the three are connected in an arch shape.

4. The spring member of claim 1, wherein the extension angles of the first support leg and the second support leg are the same or different.

5. The spring member of claim 4, wherein the first support leg and the second support leg extend in a horizontal direction, extend in an oblique direction, or one of them extends in a horizontal direction and the other extends in an oblique direction.

6. The spring member of claim 1, wherein at least one of the first elastic piece and the second elastic piece is arc-shaped.

7. A friction plate assembly of a brake, characterized by Comprising: a bracket; the spring piece of any one of claims 1 to 6; the number of spring pieces is multiple; the spring pieces are installed on the bracket; a friction plate movably arranged on the bracket; two ends of the friction plate are respectively connected to the U-shaped connecting parts of two spring pieces; the first elastic piece and the second elastic piece of the spring piece abut against the bracket; when the friction plate moves, the first elastic piece and the second elastic piece of the spring piece are deformed to generate elastic force, and the elastic force has a tendency to reset the friction plate.

8. The brake's friction plate assembly according to claim 7, characterized in that, the friction plate and the spring piece are riveted.

9. The brake's friction plate assembly according to claim 7, characterized in that, the first support leg and the second support leg are respectively located on the upper and lower sides of the friction plate; the first support leg and the friction plate are in surface contact.

10. The brake's friction plate assembly of claim 7, wherein, the second support leg is deformed to provide pre-tightening force under the pressure of the bracket.

11. The brake's friction plate assembly of claim 7, wherein, the friction plate comprises a back plate, a plate body and a lug, the lug is arranged at the end of the back plate and protrudes from the back plate; the bracket is provided with a sliding groove; the lug is located in the sliding groove and can slide along the sliding groove; the spring piece is arranged at one end of the sliding groove, the first elastic piece and the second elastic piece abut against the end face of the sliding groove; the first support leg and the second support leg are located between the lug and the groove wall of the sliding groove.

Images