Liner for a braking device

Abstract

A pad for a brake device can include a body portion in contact with a torque member, a pair of insertion portions connected to the body portion such that a portion of the torque member is inserted into the insertion portions, a pair of guide portions respectively connected to the pair of insertion portions and configured to guide a brake pad, a pair of support portions respectively connected to the pair of guide portions and configured to support the brake pad, and a pair of return portions respectively connected to the pair of insertion portions, located on opposite sides of the insertion portions, and configured to provide a return force to the same point of the brake pad when the brake pad moves. In a pad for a brake device according to the present disclosure, the return portions can press the same position of the brake pad while recovering to an initial state by an elastic force, thereby generating a uniform return force in the brake pad.

Description

[0001] Cross-references to related applications

[0002] This application claims priority to Korean Patent 10-2019-0108681, filed with the Korean Intellectual Property Office on September 3, 2019, which is incorporated herein by reference in its entirety. Technical Field

[0003] Embodiments of this disclosure relate to a liner for a braking device, and more specifically to a liner for a braking device that can generate a uniform return force when the brake liner is released. Background Technology

[0004] Typically, the caliper of a braking system refers to the part that presses against the brake disc and provides braking force when the pedal is pressed. The caliper consists of several parts.

[0005] In the various parts of a brake caliper, the brake pads include a return section for using elastic force to return the brake pads to their original position. However, when the return section uses elastic restoring force to press the brake pads against the opposite side of the brake disc, the pressure application position on the brake pads can change. In this case, a uniform return force may not be generated.

[0006] The related technology disclosed herein is entitled "Braking Device for Vehicles" in Korean Patent Application Publication No. 10-2009-0078675, published on July 20, 2009. Summary of the Invention

[0007] Various embodiments relate to a pad for a braking device that can generate a uniform return force when the brake pad is released.

[0008] In one embodiment, a brake pad for a braking device may include: a body portion in contact with a torque member; a pair of insertion portions connected to the body portion such that a portion of the torque member is inserted into the insertion portions; a pair of guide portions respectively connected to the pair of insertion portions and configured to guide the brake pad; a pair of support portions respectively connected to the pair of guide portions and configured to support the brake pad; and a pair of return portions respectively connected to the pair of insertion portions, located on opposite sides of the insertion portions, and configured to provide a return force to the same point of the brake pad when the brake pad moves.

[0009] Each return section may include: a first return section extending from each opposite side of the insertion section, thereby tilting toward the corresponding support section; a return connection section connected to the first return section; and a second return section connected to the return connection section and extending in the opposite direction to the first return section, the gap between the first return section and the second return section may increase as the position of the gap moves away from the return connection section.

[0010] When an external force is applied to the brake pad, the second return portion can elastically deform while moving toward the first return portion. When the external force is removed from the brake pad, the second return portion provides a return force to the brake pad while applying pressure to the same point on the brake pad.

[0011] The first and second return sections can form a V-shape.

[0012] The second return section can move at the same height as the first return section and as it moves away from the first return section.

[0013] The return portion may further include a stiffening reinforcement portion extending from the return connection portion to the second return portion.

[0014] The return portion may also include contact protrusions formed on the second return portion and in contact with the brake pad.

[0015] The main body may include: a main body plate that contacts the torque member; and a pair of main body extensions that extend from the main body plate to space each other and are respectively connected to the insertion portion.

[0016] The main body may also include a contact portion that connects to the main body plate between the pair of main body extensions, extends to the opposite side of the insertion portion, and is in close contact with the torque member.

[0017] Each of the pair of insertion portions may include: a first insertion plate extending from one end of the body extension portion and bent to one side; a second insertion plate extending from the end of the first insertion plate and bent toward the guide portion; and a third insertion plate extending from the end of the second insertion plate and bent in the opposite direction to the first insertion plate to face the first insertion plate and connected to the guide portion, wherein the pair of return portions may be respectively disposed on opposite sides of the pair of third insertion plates.

[0018] Each of the pair of insertion portions may further include a first insertion guide portion connected to the third insertion plate on the opposite side of the return portion and extending from the third insertion plate to be inclined toward one end of its main body portion.

[0019] Each of the pair of insertion portions may include: a guide plate extending from the third insertion plate and connected to the support portion; and a guide pressing portion extending from one side of the guide plate to the opposite side of the first insertion plate and in close contact with the torque member.

[0020] Each of the pair of guide portions may further include a second insertion guide portion extending from the opposite side of each opposite side of the guide plate, thereby tilting at a predetermined angle.

[0021] In the brake pad according to an embodiment of the present disclosure, when the external force on the brake pad is removed by the V-shaped return portion, the return portion can apply pressure to the same position of the brake pad while restoring to its original state by elasticity, thereby generating a uniform return force in the brake pad. The V-shaped return portion extends obliquely from each opposite side of the insertion portion to the guide portion and bends toward the insertion portion.

[0022] Furthermore, since the rigidity of the return section is enhanced by the rigid reinforcement, the return section can be stably and elastically deformed or restored to its initial state by elastic force.

[0023] Furthermore, since the return section contacts the brake pad point through the contact protrusion, the return can easily apply pressure to the same point on the brake pad. Attached Figure Description

[0024] Figure 1 This is a perspective view schematically showing a braking device according to an embodiment of the present disclosure.

[0025] Figure 2 This is an exploded perspective view of a braking device according to an embodiment of the present disclosure.

[0026] Figure 3 This is a perspective view showing a pad for a braking device according to an embodiment of the present disclosure.

[0027] Figure 4 This is a front view of a pad for a braking device according to an embodiment of the present disclosure.

[0028] Figure 5 This is a side sectional view of a braking device according to an embodiment of the present disclosure.

[0029] Figure 6 yes Figure 5 An enlarged view of the AA′ part.

[0030] Figure 7 This is a view showing the state of the braking device before the cylinder is operated according to an embodiment of the present disclosure.

[0031] Figure 8This is a view showing the brake pads that move due to the operation of the braking device according to an embodiment of the present disclosure.

[0032] Figure 9 This is a view showing the brake pads returning to their initial position when the operation of the cylinder of the braking device according to an embodiment of the present disclosure is released.

[0033] Figure 10 This is a view showing the return portion of the brake pad according to an embodiment of the present disclosure applying pressure to the same point of the brake pad as it returns to its original position by elastic force. Detailed Implementation

[0034] In the following text, the pads for the braking device will be described with reference to the accompanying drawings through various examples of embodiments.

[0035] It should be noted that the accompanying drawings are not to precise scale and the thickness of lines or the dimensions of components may be exaggerated for ease of description and clarity only. Furthermore, the terminology used herein is defined in consideration of the functionality of the invention and may be varied according to the user's or operator's habits or intentions. Therefore, the terminology should be defined in accordance with the full disclosure set forth herein.

[0036] Figure 1 This is a perspective view schematically showing a braking device according to an embodiment of the present disclosure. Figure 2 This is an exploded perspective view of a braking device according to an embodiment of the present disclosure. Figure 3 This is a perspective view showing a pad for a braking device according to an embodiment of the present disclosure. Figure 4 This is a front view of a pad for a braking device according to an embodiment of the present disclosure. Figure 5 This is a side sectional view of a braking device according to an embodiment of the present disclosure. Figure 6 yes Figure 5 An enlarged view of the AA′ part. Figure 7 This is a view showing the state of the braking device according to an embodiment of the present disclosure before the cylinder is operated. Figure 8 This is a view showing a brake pad that moves according to an embodiment of the present disclosure via operation of a braking device. Figure 9 This is a view showing the brake pads returning to their original position when the operation of the cylinder of the braking device according to an embodiment of the present disclosure is released. Figure 10 This is a view showing the return portion of the brake pad according to an embodiment of the present disclosure applying pressure to the same point of the brake pad as it returns to its original position by elastic force.

[0037] Reference Figures 1 to 5According to an embodiment of the present disclosure, a gasket 100 for a braking device includes a main body portion 110, a pair of insertion portions 120, a pair of guide portions 130, a pair of support portions 140, and a pair of return portions 150. The gasket 100 for the braking device may be made of a metallic material and formed as a single unit.

[0038] The main body portion 110 contacts the torque member 10. The main body portion 110 includes a main body plate 111, a pair of main body extension portions 112, a contact portion 113, and a pressing portion 114.

[0039] The main body plate 111 contacts the torque member 10, and the pair of main body extension portions 112 extend from the main body plate 111 to space each other and connect to their respective insertion portions 120. The pair of main body extension portions 112 are spaced apart from the main body portion 110 and extend downwards (based on...). Figure 2 and 3 ), and contact the torque member 10.

[0040] The contact portion 113 connects to the body plate 111 between the pair of main body extension portions 112 and extends in the opposite direction to the insertion portion 120. That is, the contact portion 113 extends to the rear side of the main body portion 110 (based on...). Figure 3 The main body portion 110 may further include a pressing portion 114. Therefore, the main body portion 110 can be reliably coupled to the torque member 10.

[0041] The insertion portion 120 is connected to the main body portion 110, and the torque member protrusion 11 of the torque member 10 is inserted into the insertion portion 120. Specifically, the insertion portion 120 is formed in a U-shape, and the torque member protrusion 11 is inserted into the insertion portion 120 (see...). Figure 3 In this embodiment, a pair of insertion portions 120 are provided.

[0042] Since the torque member protrusion 11 is inserted and coupled to the insertion portion 120, the main body portion 110 can be in close contact with the torque member 10.

[0043] The guide portion 130 extends from the insertion portion 120 to one side and contacts the brake pad 20, guiding the movement of the brake pad 20. In this embodiment, a pair of the guide portions 130 are provided.

[0044] The brake pad 20 includes a pad support portion 21 and a pad friction portion 22.

[0045] The liner support portion 21 includes a liner support portion body 21a and a liner protrusion 21b. The liner support portion body 21a can be coupled to and moved by the cylinder 40. The liner protrusion 21b extends from either end of the liner support portion body 21a and is inserted into the guide portion 130. The liner friction portion 22 is attached to the liner support portion 21 and contacts the brake disc 30 to provide friction.

[0046] The support portion 140 extends from the guide portion 130 and bends in the same direction as the insertion portion 120, and supports the brake pad 20. The support portion 140 extends from the bottom of the guide portion 130 (based on...). Figure 5 ) extends to bend toward brake pad 20, and supports brake pad 20 as brake pad 20 moves (see Figure 5 ).

[0047] The pair of return portions 150 are respectively connected to the pair of insertion portions 120, located on opposite sides of the insertion portions 120, and configured to provide a return force to the same point of the brake pad 20 when the brake pad 20 moves. Specifically, the second return portion 153 moves at the same height when moving toward the first return portion 151 and when moving away from the first return portion 151.

[0048] The return portion 150 extends obliquely toward the guide portion 130 from the opposite side of the insertion portion 120 and bends toward the insertion portion 120, and uses elasticity to return the brake pad 20 to its original position. In this embodiment, a pair of such return portions 150 are provided.

[0049] Specifically, the pair of return portions 150 extend downward from the side of the insertion portion 120 (based on...). Figure 3 and Figure 4 ), and form a V shape.

[0050] Because the return portion 150 has a curved shape such as a V-shape, it can be installed even in confined spaces. Since the two portions of the return portion 150, namely the first and second return portions 151 and 153, provide elastic restoring force, the return portion 150 can provide a greater return force than a return portion 150 of the same size.

[0051] The return section 150 is made of elastic material and is disposed between the brake pads 20. When the external force provided to the brake pads 20 by the cylinder 40 is removed, the elastic force separates the brake pads 20 from the brake disc 30.

[0052] At this time, when the return portion 150 returns to its original state by elastic force, the return portion 150 can apply pressure to the brake pad 20, so that the brake pad 20 can separate from the brake disc 30.

[0053] As described above, the return portion 150 extends in a V-shape from the insertion portion 120. Therefore, when the external force applied to the brake pad 20 is removed, the return portion 150 returns to its initial state by elasticity while simultaneously applying pressure to the same point on the brake pad 20 (see [link to relevant documentation]). Figure 9 and Figure 10 Therefore, a uniform restoring force can be generated for the brake pad 20.

[0054] The return portion 150 includes a first return portion 151, a return connection portion 152, a second return portion 153, and a stiffening reinforcement portion 154. The first return portion 151 extends obliquely from each opposite side of the insertion portion 120 toward the corresponding guide portion 130. Specifically, the first return portion 151 extends from each opposite side of the third insertion plate 123 of the insertion portion 120 to bend toward the rear side of the corresponding third insertion plate 123.

[0055] The return connection portion 152 is formed in the shape of a plate and is connected to the first return portion 151. One side of the return connection portion 152 is connected to the first return portion 151, and the other side is connected to the second return portion 153. The first return portion 151 and the second return portion 153 are connected in the front-back direction of the return connection portion 152 (based on...). Figure 3 ).

[0056] The second return portion 153 is connected to the return connection portion 152 and extends obliquely toward the insertion portion 120, offset from the first return portion 151. The second return portion 153 extends obliquely from the return connection portion 152 toward the third insertion plate 123.

[0057] That is, the first return portion 151 extends obliquely from each of the opposite sides of the insertion portion 120 toward the corresponding support portion 140, the return connection portion 152 connects the first and second return portions 151 and 153, and the second return portion 153 is connected to the return connection portion 152 and extends in the opposite direction to the first return portion 151.

[0058] The gap between the first and second return portions 151 and 153 increases as the position of the gap moves away from the return connection portion 152.

[0059] The return portion 150 further includes a stiffening reinforcement portion 154 and a contact protrusion 155. The stiffening reinforcement portion 154 extends from the return connection portion 152 and bends toward the second return portion 153. Thus, the stiffness of the return portion 150 can be enhanced, allowing the return portion 150 to deform or return to its original state stably and elastically.

[0060] A contact protrusion 155 is formed on the second return portion 153 and contacts the brake pad 20. Since the return portion 150 makes point contact with the brake pad 20 through the contact protrusion 155, the return portion 150 can easily apply pressure to the same point of the brake pad 20.

[0061] The insertion portion 120 includes a first insertion plate 121, a second insertion plate 122, and a third insertion plate 123. In this embodiment, a pair of insertion portions 120 are provided.

[0062] The first insertion plate 121 extends from one end of the main body extension 112 and bends to one side, that is, the front side of the main body extension 112.

[0063] The second insertion plate 122 extends from the first insertion plate 121 and bends toward the guide portion 130.

[0064] The third insertion plate 123 extends from the end of the second insertion plate 122 toward the opposite side of the first insertion plate 121, i.e., the rear side of the second insertion plate 122, so as to face the first insertion plate 121. The return portion 150 extends from the third insertion plate 123, and the third insertion plate 123 is connected to the guide portion 130. The torque member protrusion 11 protruding from the torque member 10 is inserted into the space formed by the first insertion plate 121, the second insertion plate 122, and the third insertion plate 123.

[0065] The insertion portion 120 also includes a first insertion guide portion 124. The first insertion guide portion 124 extends from the opposite side of each opposite side of the third insertion plate 123 to be tilted at a predetermined angle relative to the first insertion plate 121.

[0066] That is, the first insertion guide portion 124 is connected to the third insertion plate 123 on the opposite side of the return portion 150, and extends from the third insertion plate 123 to be inclined toward the end of the main body portion 110.

[0067] Therefore, when the brake pad 20 is assembled to the guide portion 130, the brake pad 20 can be easily guided to and assembled into the guide portion 130. Furthermore, when the torque member protrusion 11 is inserted into the insertion portion 120, the horizontal movement of the torque member protrusion 11 can be restricted.

[0068] The guide portion 130 includes a guide plate 131, a guide pressing portion 132, and a second insertion guide portion 133. The guide plate 131 extends from the third insertion plate 123 to one side and connects to the support portion 140. The guide plate 131 extends from one end of the third insertion plate 123 to the bottom side (based on...). Figure 3 ), and contact the torque member 10.

[0069] The guide pressing portion 132 extends from one or both sides of the guide plate 131 to the opposite side of the first insertion plate 121, i.e., the rear side of the guide plate 131, and is in close contact with the torque member 10. The guide pressing portion 132 can use elastic force to press the torque member protrusion 11 inserted into the insertion portion 120. Specifically, the guide pressing portion 132 undergoes elastic deformation while the torque member protrusion 11 is inserted into the insertion portion 120. However, once the torque member protrusion 11 is inserted into the insertion portion 120, the guide pressing portion 132 returns to its original state under the action of elastic force and is in close contact with the torque member protrusion 11 while pressing it. Therefore, the bonding force between the insertion portion 120 and the torque member protrusion 11 increases.

[0070] The second insertion guide portion 133 extends from the opposite side of each opposite side of the guide plate 131 to be inclined at a predetermined angle relative to the front side of the respective guide plate 131. Therefore, when the brake pad 20 is assembled to the guide portion 130, the brake pad 20 can be easily guided to and assembled to the guide portion 130.

[0071] From here on, refer to Figures 7 to 10 The operation and effects of the braking device according to embodiments of the present disclosure are described.

[0072] When the shim 100 for the braking device is coupled to the torque member 10, the brake shim 20 is installed. At this time, the return portion 150 contacts the shim protrusion 21b of the brake shim 20. The shim protrusion 21b of the shim support portion 21 moves along the guide portion 130 by the operation of the piston 40.

[0073] When the driver depresses the brake pedal (not shown), hydraulic pressure is transmitted to the torque member 10. The hydraulic pressure causes the piston 40 to press the brake pad 20 against the brake disc 30 (see...). Figure 8 When the brake pad 20 comes into frictional contact with the brake disc 30, braking force is generated. At this time, the return portion 150 elastically deforms under the pressure of the brake pad 20. Specifically, the elastic deformation of the return portion 150 under the pressure of the brake pad 20 reduces the distance between the first and second return portions 151 and 153 based on the return connection portion 152.

[0074] Then, when the driver does not depress the brake pedal during the brake release operation, no hydraulic pressure is transmitted to piston 40, and the spring force of the return section 150 causes the brake pad 20 to return to its original position, thereby fully isolating the brake pad 20 from the brake disc 30. The return section 150 presses the brake pad 20 against the opposite side of the brake disc 30 and separates the brake pad 20 to the left / right side of the brake disc 30 (based on...). Figure 9This separates the brake disc 30. Specifically, as the return portion 150 returns to its initial state through the elasticity of the first and second return portions 151 and 153, the distance between the first and second return portions 151 and 153 increases. At this time, the second return portion 153 applies pressure to the same point on the brake pad 20.

[0075] In the brake pad 100 according to an embodiment of the present disclosure, the return portion 150 is formed in a V-shape. Therefore, when the brake pedal is released, the return portion 150 can apply pressure to the same point of the brake pad 20 while returning to its original state by elasticity, thereby generating a uniform return force for the brake pad 20. Thus, uniform friction between the brake pad 20 and the brake disc 30 can be achieved.

[0076] Although preferred embodiments of the present disclosure have been disclosed for illustrative purposes, those skilled in the art will understand that various modifications, additions, and substitutions may be made without departing from the scope and spirit of the present disclosure as defined by the appended claims.

Claims

1. A pad for a brake device, comprising: a body portion in contact with a torque member; a pair of insertion portions connected to the body portion such that a portion of the torque member is inserted into the insertion portions; a pair of guide portions connected to the pair of insertion portions, respectively, and configured to guide a brake pad; a pair of support portions connected to the pair of guide portions, respectively, and configured to support the brake pad; and a pair of return portions connected to the pair of insertion portions, respectively, located on opposite sides of the insertion portions, and configured to provide a return force to the same point of the brake pad when the brake pad moves, wherein each of the return portions comprises: a first return portion extending from each of the opposite sides of the insertion portions, thereby being inclined toward the corresponding support portion; a return connecting portion connected to the first return portion; a second return portion connected to the return connecting portion and extending obliquely toward the insertion portion to deviate from the first return portion; and a rigidity enhancement portion extending from the return connecting portion toward the second return portion, wherein a gap between the first return portion and the second return portion increases as a position of the gap is farther away from the return connecting portion. the second return portion elastically deforms while moving toward the first return portion when an external force is applied to the brake pad, 2. The pad for a brake device according to claim 1, wherein wherein the second return portion provides a return force to the same point of the brake pad while pressing the same point of the brake pad when the external force is removed from the brake pad. the first return portion and the second return portion form a V shape.

3. The pad for a brake device according to claim 2, wherein the second return portion moves at the same height when moving toward the first return portion and moving away from the first return portion.

4. The pad for a brake device according to claim 3, wherein the return portion further comprises a contact protrusion formed on the second return portion and in contact with the brake pad.

5. The pad for a brake device according to claim 1, wherein the body portion comprises:

6. The pad for a brake device according to claim 1, wherein a body plate in contact with the torque member; and a pair of body extension portions extending from the body plate to be spaced apart from each other and connected to the insertion portions, respectively. the body portion further comprises a contact portion connected to the body plate between the pair of body extension portions, extending to opposite sides of the insertion portions, and in close contact with the torque member.

7. The pad for a brake device according to claim 6, wherein each of the pair of insertion portions comprises:

8. The gasket for a brake device according to claim 6, wherein a first insertion plate extending from one end of the body extension portion to be bent to one side thereof; a second insertion plate extending from an end of the first insertion plate to be bent toward the guide portion; and a third insertion plate extending from an end of the second insertion plate and bent in a direction opposite to the first insertion plate to face the first insertion plate and connected to the guide portion, wherein the pair of return portions are disposed on opposite sides of the pair of third insertion plates, respectively. ​ 9. The pad for a brake device according to claim 8, wherein Each of the pair of insertion portions further includes a first insertion guide portion connected to the third insertion plate on opposite sides of the return portion and extending from the third insertion plate to be inclined toward the body portion at an end thereof.

10. The gasket for a brake device according to claim 8, wherein Each of the pair of guide portions includes: a guide plate extending from the third insertion plate and connected to the support portion; and a guide pressing portion extending from one side of the guide plate to the opposite side of the first insertion plate and in close contact with the torque member.

11. The pad for a brake device according to claim 10, wherein Each of the pair of guide portions further includes a second insertion guide portion extending from opposite sides of each of the opposite sides of the guide plate to be inclined at a predetermined angle.

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