Caliper structure and vehicle

Abstract

The utility model discloses a caliper structure and a vehicle, the caliper structure comprises: a support assembly, the support assembly is suitable for being fixed relative to a vehicle body, and an installation chute is formed in the support assembly; a brake pad on which a sliding portion is formed; the rolling assembly is installed in the installation sliding groove and located between the sliding part and the support assembly; when the brake pad gets close to or away from the brake disc, the sliding part is in rolling fit with the support assembly through the rolling assembly. According to the caliper structure, the gap between the brake pad and the support assembly can be filled through the rolling assembly, the brake pad has no motion space during braking, the support assembly cannot be impacted, the decibel and the occurrence probability of impact noise are further reduced, and in the braking process, the brake pad is in rolling fit with the support assembly through the rolling assembly, so that the brake pad is prevented from impacting the support assembly. Motion resistance between the two can be reduced, so that dragging is reduced, and braking performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of braking systems, in particular to a caliper structure and a vehicle with the caliper structure. Background Art

[0002] As one of the most important systems of an automobile, the braking system plays an irreplaceable role in the driving safety of the automobile. Existing automobile brake calipers usually drive the brake pads through a hydraulic system to engage with the surface of the brake disc. And to ensure the smooth sliding of the brake pads, there is a certain gap between the fixing structure of the brake pads and the caliper structure. During the braking process, the brake pads will be impacted by the reaction force of the brake disc against the caliper structure, greatly increasing the probability of generating noise, and there is a phenomenon of caliper drag, reducing the braking performance, and there is room for improvement. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a caliper structure. By arranging a rolling component, the gap between the brake pads and the bracket component can be filled. During braking, the brake pads have no movement space and cannot impact the bracket component, thereby reducing the decibel and occurrence probability of the impact noise. During the braking process, the brake pads are in rolling cooperation with the bracket component through the rolling component, which can reduce the movement resistance between the two, thereby reducing drag and improving the braking performance.

[0004] The caliper structure according to an embodiment of the utility model includes: a bracket component, the bracket component is adapted to be fixed relative to the vehicle body, and the bracket component is formed with an installation chute; a brake pad, the brake pad is formed with a sliding part; a rolling component, the rolling component is installed in the installation chute and located between the sliding part and the bracket component; wherein, when the brake pad approaches or departs from the brake disc, the sliding part is in rolling cooperation with the bracket component through the rolling component.

[0005] The caliper structure according to an embodiment of the utility model, by arranging a rolling component between the brake pad and the bracket component, can fill the gap between the brake pad and the bracket component. In this way, during braking, the brake pad has no movement space and cannot complete the action of impacting the bracket component, thereby reducing the decibel and occurrence probability of the impact noise. During the braking process, the brake pad is in rolling cooperation with the bracket component through the rolling component, which can reduce the movement resistance between the brake pad and the bracket component, thereby reducing drag and improving the braking performance, and has a simple structure and low cost.

[0006] According to the caliper structure of some embodiments of the utility model, the bracket component includes an installation bracket and a fixed seat, the installation bracket defines the installation chute, and the fixed seat is located in the installation chute;

[0007] Wherein, the rolling component is arranged between the fixing seat and the sliding part, and / or the rolling component is arranged between the inner wall of the mounting slide groove and the sliding part.

[0008] According to the caliper structure of some embodiments of the utility model, the rolling assembly includes a mounting frame and a rolling member, the rolling member is rotatably mounted on the mounting frame, the mounting frame is connected to one of the fixed seat and the sliding part, and the rolling member rolls and presses against the other of the fixed seat and the sliding part.

[0009] According to the caliper structure of some embodiments of the utility model, the mounting frame includes a main board body and two connecting plates, the two connecting plates are spaced apart and connected to the same side of the main board body and together with the main board body define a mounting space, the main board body is fitly connected to the fixed seat and one of the sliding parts on a side facing away from the mounting space, and the rolling element is installed in the mounting space and at least partially extends from the mounting space to make rolling contact with the other of the fixed seat and the sliding part.

[0010] According to the caliper structure of some embodiments of the utility model, a connecting shaft is sleeved inside the rolling element, the rolling element is rotatably connected to the two connecting plates through the connecting shaft, and the axis of the connecting shaft extends vertically;

[0011] The rolling element is configured as a roller or a needle bearing.

[0012] According to the caliper structure of some embodiments of the present invention, there are multiple rolling elements, and the multiple rolling elements are installed on the mounting frame in parallel and spaced apart.

[0013] According to some embodiments of the utility model, the caliper structure further includes a brake claw and an elastic member, wherein the brake claw is suitable for driving the brake pad to move closer to the brake disc under the action of the braking pressure, and the elastic member is suitable for driving the brake pad away from the brake disc after the braking pressure is removed.

[0014] According to the caliper structure of some embodiments of the utility model, there are multiple installation grooves, the brake pad is provided with multiple sliding parts, and the multiple sliding parts are respectively rollingly installed in the multiple installation grooves through the rolling components in a one-to-one correspondence.

[0015] According to the caliper structure of some embodiments of the utility model, the sliding part is arranged in two groups, and the two groups of sliding parts are respectively located on both sides of the brake pad and protrude and extend away from each other, and the bracket assembly is formed with two groups of mounting grooves, the two groups of mounting grooves are open toward each other, and the two groups of sliding parts extend into the two groups of mounting grooves respectively and one by one.

[0016] The present utility model also provides a vehicle.

[0017] The vehicle according to an embodiment of the present utility model includes the caliper structure of any one of the above embodiments.

[0018] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 is a schematic structural view of the caliper structure according to an embodiment of the present utility model;

[0021] Figure 2 is a schematic structural view of the brake pad and the rolling assembly of the caliper structure according to an embodiment of the present utility model;

[0022] Figure 3 is a front view of the rolling assembly of the caliper structure according to an embodiment of the present utility model;

[0023] Figure 4 is a side view of the rolling assembly of the caliper structure according to an embodiment of the present utility model.

[0024] Reference Numerals:

[0025] Caliper structure 100,

[0026] Bracket assembly 1, mounting bracket 11, mounting chute 111, fixed seat 12, brake pad 2, sliding portion 21, rolling assembly 3, mounting frame 31, main board body 311, connecting plate 312, mounting space 313, rolling element 32, connecting shaft 321, brake claw 4, elastic member 5. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and should not be construed as a limitation of the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] Unless otherwise specified, the front-rear direction in this application is the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction is the transverse direction of the vehicle, i.e., the Y direction; and the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

[0031] The following refers to Figures 1-4 Describe the caliper structure 100 according to an embodiment of the present utility model. By providing the rolling assembly 3, the gap between the brake pad 2 and the bracket assembly 1 can be filled, so that there is no movement space for the brake pad 2 during braking, and it cannot impact the bracket assembly 1, thereby reducing the decibel and occurrence probability of the impact noise. During the braking process, the brake pad 2 rolls with the bracket assembly 1 through the rolling assembly 3, which can reduce the movement resistance between the two, thereby reducing drag and improving braking performance.

[0032] As Figures 1-4 shown, a caliper structure 100 according to an embodiment of the present utility model includes: a bracket assembly 1, a brake pad 2, and a rolling assembly 3.

[0033] The bracket assembly 1 is adapted to be fixed relative to the vehicle body. The bracket assembly 1 is formed with an installation chute 111. Among them, the caliper structure 100 is applied to the braking system. During the operation of the vehicle, the caliper structure 100 does not rotate with the brake disc. The bracket assembly 1 is the basic structure of the caliper structure 100 and can be used to fix other components of the caliper structure 100, such as the caliper piston and the brake pad 2, etc. And the bracket assembly 1 is detachably connected to the vehicle body, that is, the caliper structure 100 is fixed relative to the vehicle body, and the caliper structure 100 is clamped on one side of the brake disc, and the bracket assembly 1 is formed with an installation chute 111. The installation chute 111 is open towards the side of the brake pad 2 for the installation of the brake pad 2.

[0034] The brake pad 2 is formed with a sliding part 21. The rolling component 3 is installed in the installation chute 111 and is located between the sliding part 21 and the bracket assembly 1. Among them, when the brake pad 2 approaches or moves away from the brake disc, the sliding part 21 is in rolling cooperation with the bracket assembly 1 through the rolling component 3. That is to say, during the braking process, the sliding part 21 is in rolling cooperation with the bracket assembly 1 through the rolling component 3, and the rolling contact between the brake pad 2 and the bracket assembly 1 can be realized.

[0035] Specifically, the brake pad 2 is a component in the braking system that contacts the brake disc to generate frictional force, and it is usually made of friction material. At least part of the brake pad 2 is located in the installation chute 111. As Figure 1 shown, the brake pad 2 is formed with a sliding part 21. The sliding part 21 can be located at the end of the brake pad 2. Installing the end of the brake pad 2 in the installation chute 111 can realize the installation of the brake pad 2. And a rolling component 3 is provided in the installation chute 111, and the rolling component 3 is located between the sliding part 21 and the bracket assembly 1. The overall structure is simple and the assembly is convenient, which is convenient for inspection and maintenance. Among them, the rolling component 3 can be a needle bearing, etc.

[0036] Furthermore, when the driver steps on the brake pedal, the brake pad 2 is pushed to move closer to the brake disc through the hydraulic or mechanical force of the braking system, so that the brake pad 2 contacts the brake disc to generate braking force, thereby realizing braking. When the brake pedal is released, the braking system is depressurized, and the brake pad 2 will move away from the brake disc. And during the braking process, the brake pad 2 is in rolling cooperation with the bracket assembly 1 through the rolling component 3, which can make the movement of the brake pad 2 smoother.

[0037] Therefore, in the existing braking system, a certain gap is maintained between the brake pad 2 and the bracket assembly 1, which can keep the sliding of the brake pad 2 smooth. However, during braking, the brake pad 2 will be impacted by the reaction force of the brake disc and hit the bracket assembly 1, greatly increasing the probability of generating noise. By using the rolling assembly 3, the gap between the brake pad 2 and the bracket assembly 1 can be filled, preventing the brake pad 2 from hitting the bracket assembly 1. Moreover, the rolling fit replaces the sliding fit, which can effectively reduce the friction between the brake pad 2 and the bracket assembly 1, reduce the movement resistance of the brake pad 2, thereby reducing drag, improving braking efficiency, reducing the wear of the brake pad 2 and the bracket assembly 1, extending their service life, ensuring the stability of the brake pad 2 during braking, and enabling the brake pad 2 to quickly respond to the action of the brake pedal to achieve quick braking and brake release.

[0038] According to the caliper structure 100 of the embodiment of the present invention, by arranging the rolling assembly 3 between the brake pad 2 and the bracket assembly 1, the gap between the brake pad 2 and the bracket assembly 1 can be filled. In this way, during braking, the brake pad 2 has no movement space and cannot complete the action of hitting the bracket assembly 1, thereby reducing the decibel and occurrence probability of the impact noise. During the braking process, the brake pad 2 is in rolling fit with the bracket assembly 1 through the rolling assembly 3, which can reduce the movement resistance between the brake pad 2 and the bracket assembly 1, thereby reducing drag, improving braking performance, and having a simple structure and low cost.

[0039] In some embodiments, the bracket assembly 1 includes a mounting bracket 11 and a fixed seat 12. The mounting bracket 11 defines a mounting chute 111, and the fixed seat 12 is located within the mounting chute 111.

[0040] Specifically, the mounting bracket 11 is the main part of the bracket assembly 1 for connecting the caliper structure 100 to the vehicle body. The fixed seat 12 plays a role in fixing and supporting. As Figure 1 shown, the mounting bracket 11 is provided with a mounting chute 111. The mounting chute 111 not only has a mounting function but also provides a movement space for the brake pad 2. In actual design, the size of the mounting chute 111 is larger than the outer dimension of the brake pad 2, and the fixed seat 12 is connected within the mounting chute 111. The two can be connected by means such as snap connection to ensure the relative fixation of the fixed seat 12 and the mounting chute 111. The outer side of the fixed seat 12 is used to connect the brake pad 2, and the brake pad 2 is movably connected to the fixed seat 12 to achieve the relative movement between the brake pad 2 and the fixed seat 12 during braking.

[0041] Wherein, a rolling assembly 3 is provided between the fixed seat 12 and the sliding portion 21, and / or a rolling assembly 3 is provided between the inner wall of the mounting chute 111 and the sliding portion 21.

[0042] Specifically, the rolling component 3 can be a needle bearing, a ball, etc. A rolling component 3 can be arranged between the fixed seat 12 and the sliding part 21. In this way, when the brake pad 2 approaches or moves away from the brake disc, the sliding part 21 rolls back and forth relative to the fixed seat 12 through the rolling component 3, so that the brake pad 2 reciprocally rolls with the fixed seat 12. Similarly, by arranging a rolling component 3 between the inner wall of the installation chute 111 and the sliding part 21, during the braking process, the sliding part 21 can also roll back and forth in the installation chute 111 through the rolling component 3, so that the brake pad 2 reciprocally rolls relative to the installation chute 111. For the above two setting methods, the friction between the brake pad 2 and the fixed seat 12 or the installation chute 111 can be reduced through rolling cooperation, the response speed and efficiency of the braking system can be improved, and the service life of the brake pad 2 and the braking system can be prolonged.

[0043] Moreover, the rolling component 3 can fill the gap between the sliding part 21 and the fixed seat 12 or the installation chute 111, reduce the movement space of the brake pad 2 during braking, thereby reducing the impact of the brake pad 2 on the fixed seat 12 during braking, and further reducing the decibel and occurrence probability of the noise generated by hitting the installation bracket 11. Its setting method is diverse, with many options, and it has a simple structure and good use effect.

[0044] In some embodiments, the rolling component 3 includes an installation frame 31 and a rolling element 32. The rolling element 32 is rotatably installed on the installation frame 31. The installation frame 31 is connected to one of the fixed seat 12 and the sliding part 21, and the rolling element 32 rolls and presses against the other of the fixed seat 12 and the sliding part 21. That is to say, one end of the rolling component 3 is fixed to a component through the installation frame 31, while the other end is in rolling contact with another component, forming a dynamic support system.

[0045] Specifically, the installation frame 31 is used to support and install the rolling element 32. The rolling element 32 is the rolling body of the rolling component 3. The rolling element 32 can be rotatably connected to the installation frame 31. Through the installation frame 31, the rolling element 32 can be installed in the installation chute 111, and the rolling element 32 can rotate freely relative to the installation frame 31 to achieve rolling friction during movement. In actual design, the installation frame 31 can be connected to the fixed seat 12, and the rolling element 32 rolls and presses against the sliding part 21. Or, the installation frame 31 can be connected to the sliding part 21, and the rolling element 32 rolls and presses against the fixed seat 12. For the above two setting methods, the connection of the rolling component 3 can be achieved. Its setting method is diverse, and through the rolling contact of the rolling element 32 with different structures, the rolling cooperation between the brake pad 2 and the bracket assembly 1 can be realized, thereby improving the response speed and efficiency of the braking system.

[0046] Among them, the mounting bracket 11 can be connected to the fixed seat 12 or the sliding part 21 by bonding, riveting, etc., so that the rolling assembly 3 can be connected to the brake pad 2 and one of the bracket assemblies 1, which can ensure the stability of the rolling assembly 3 in the caliper structure 100, and the connection method is simple, which is convenient for assembly and disassembly.

[0047] In some embodiments, the mounting frame 31 includes a main board body 311 and two connecting plates 312, the two connecting plates 312 are spaced apart and connected to the same side of the main board body 311 and together with the main board body 311 define a mounting space 313, the main board body 311 is fitly connected to one of the fixed seat 12 and the sliding part 21 on the side facing away from the mounting space 313, and the rolling member 32 is installed in the mounting space 313 and at least partially extends from the mounting space 313 to make rolling contact with the other of the fixed seat 12 and the sliding part 21.

[0048] Specifically, the main board body 311 is the supporting and fixing structure of the mounting bracket 11, and the two connecting plates 312 are connected to the main board body 311 to together constitute the mounting bracket 11. The main board body 311 can be constructed as a larger plate-like structure, and the two connecting plates 312 are also plate-like structures. The extension length of the two connecting plates 312 is less than the outer diameter of the rolling element 32, wherein the two connecting plates 312 are spaced apart and connected to the two ends of the main board body 311, and the two connecting plates 312 are located on the same side of the main board body 311, and an installation space 313 can be formed for installing the rolling element 32, and at least part of the rolling element 32 protrudes from the accommodation space. During installation, the side of the main board body 311 facing away from the installation space 313 is fit-connected to the fixed seat 12 or the sliding part 21, so as to realize the connection and fixation of the mounting bracket 11, and the protruding part of the rolling element 32 can be in rolling contact with the other one of the fixed seat 12 or the sliding part 21.

[0049] The installation space 313 has a plurality of open sides, which can realize the installation of the rolling element 32 and the rolling contact between the rolling element 32 and other structures. Figure 2 and Figure 3 As shown, the rolling member 32 is shielded on three sides of the installation space 313 toward the two connecting plates 312 and the main body 311, that is, the rolling member 32 can roll in contact with the external structure on the other three sides of the installation space 313, which can improve the rolling effect of the rolling assembly 3 and the fixed seat 12 or the installation groove 111, effectively reduce the friction between the brake pad 2 and the bracket assembly 1, and effectively improve the flexible movement of the brake pad 2 relative to the bracket assembly 1.

[0050] In some embodiments, a connecting shaft 321 is sleeved in the rolling member 32 , and the rolling member 32 is rotatably connected to the two connecting plates 312 via the connecting shaft 321 , and the axis of the connecting shaft 321 extends vertically.

[0051] Specifically, a connecting shaft 321 is sleeved along the axial direction of the rolling member 32. In this way, the rolling member 32 can rotate around the connecting shaft 321 to achieve the rolling function. In actual design, the rolling member 32 is provided with a through hole that penetrates along its axial center. During installation, the connecting shaft 321 is inserted into the through hole, and both ends of the connecting shaft 321 are connected to two connecting plates 312, so that the connection between the rolling member 32 and the mounting bracket 11 can be realized. Moreover, the axis of the connecting shaft 321 can extend vertically, that is, the rolling member 32 rotates vertically around the connecting shaft 321. Since there is a small movement gap between the sliding portion 21 and the fixed seat 12 in the horizontal direction, setting the rolling member 32 to rotate vertically can utilize the limited space. The extension length of the rolling member 32 is relatively long, which can increase the rolling contact area between the rolling member 32 and the fixed seat 12 or the installation chute 111. And when the brake pad 2 moves in the horizontal direction relative to the fixed seat 12 or the installation chute 111, it can effectively reduce the horizontal friction force during the braking process, and the structure is simple and reasonable.

[0052] Among them, the rolling member 32 and the connecting shaft 321 can also be an integral structure. Both ends of the connecting shaft 321 are respectively rotationally supported by two connecting plates 312. In this way, when the sliding portion 21 moves relative to the fixed seat 12 or the installation chute 111, the rolling member 32 and the connecting shaft 321 rotate relative to the mounting bracket 11 to meet the rolling requirement of the rolling member 32.

[0053] The rolling member 32 is configured as a roller or a needle bearing. The roller is a cylindrical rolling body, which can be manufactured by machining or selected as a standard part. The needle bearing is a standard bearing and can be directly selected. Both the roller and the needle bearing can rotate relative to the mounting bracket 11, and their rolling performances are relatively good, and can be selected according to actual requirements.

[0054] In some embodiments, there are multiple rolling members 32. The multiple rolling members 32 are installed on the mounting frame 31 at parallel intervals. As Figure 2 shown, there can be three rolling members 32. The three rolling members 32 are connected between two connecting plates 312 at parallel intervals, and the three rolling members 32 are evenly spaced. During the braking process, the rolling effects of the three rolling members 32 between the sliding portion 21 and the bracket assembly 1 are the same, that is, the force between the sliding portion 21 and the bracket assembly 1 is evenly distributed, which can reduce the burden on a single rolling member 32. And the three rolling members 32 work together to ensure the stability and reliability of the system during high-load braking, and the wear is more uniform, which can extend the service life of the caliper structure 100. Moreover, the space between the three rolling members 32 can be used as a heat dissipation channel to help dissipate the heat generated during the braking process and prevent the braking system from overheating.

[0055] Among them, the number of the rolling members 32 can also be set to two, four, etc. The number of the rolling members 32 is not limited to that described in this embodiment and can be set according to the space size between the sliding portion 21 and the bracket assembly 1.

[0056] In some embodiments, a rolling component 3 is provided between the top wall of the installation chute 111 and the upper side surface of the sliding part 21, and / or a rolling component 3 is provided between the bottom wall of the installation chute 111 and the lower side surface of the sliding part 21.

[0057] Specifically, the sliding part 21 can be constructed as a square structure. Correspondingly, the installation chute 111 includes a top wall, side walls and a bottom wall. There are various ways to arrange the rolling component 3. The rolling component 3 can be arranged between the upper side surface of the sliding part 21 and the top wall of the installation chute 111. During the braking process, the rolling component 3 can roll between the upper side surface of the sliding part 21 and the installation chute 111, and the rolling component 3 is arranged between the lower side surface of the sliding part 21 and the bottom wall of the installation chute 111. In this way, during the braking process, the rolling component 3 can roll between the lower side surface of the sliding part 21 and the installation chute 111.

[0058] In addition, the rolling component 3 can be simultaneously arranged on the upper side surface, lower side surface and side surface of the sliding part 21, so that the sliding part 21 and the installation chute 111 can be in rolling contact at different positions simultaneously, which can reduce the friction between the sliding part 21 and the bracket assembly 1, improve the guiding accuracy, improve the flexible movement of the sliding part 21 and the bracket assembly 1, reduce the braking drag of the caliper structure 100, thereby improving the braking performance of the braking system, ensuring that the vehicle can decelerate or stop safely and effectively when needed, and there are various setting methods and can be flexibly selected.

[0059] In some embodiments, the caliper structure 100 further includes a brake jaw 4 and an elastic member 5. The brake jaw 4 is adapted to drive the brake pad 2 to move closer to the brake disc under the action of a braking pressure, and the elastic member 5 is adapted to drive the brake pad 2 to move away from the brake disc after the braking pressure is removed.

[0060] Specifically, the direction in which the brake pad 2 moves closer to or away from the brake disc can be along the transverse direction of the vehicle. The brake jaw 4 is movably connected to the installation bracket 11 along the transverse direction of the vehicle and can be horizontally connected through a guide pin. The connection method is simple and the movement is flexible. And a brake piston is provided in the caliper structure 100 for driving the movement of the brake pad 2. Among them, the caliper structure 100 includes two brake pads 2. The two brake pads 2 are spaced apart along the transverse direction of the vehicle on both sides of the brake disc. Both of the two brake pads 2 can move closer to or away from the brake disc relatively. The brake jaw 4 and the elastic member 5 are located on one side of the brake pad 2 facing away from the brake disc. One end of the elastic member 5 is connected to the brake pad 2 and the other end is connected to the installation bracket 11. The connection method can be through fasteners such as bolts. Among them, the elastic member 5 can be a return spring or a spring for realizing the return of the brake pad 2.

[0061] Further, when braking is required and the driver presses the brake pedal, the brake pressure of the braking system pushes the brake piston towards the brake disc, so as to push a brake pad 2 towards the brake disc, and the brake caliper 4 moves towards the brake disc along the guide pin under the acting force, so as to push the other brake pad 2 towards the brake disc, so that the two brake pads 2 clamp the brake disc, thereby realizing braking. At this time, the elastic member 5 is in a deformed state. When the brake pedal is released, the braking system releases pressure, that is, the brake pressure is removed, the brake piston moves away from the brake disc, and the brake pad 2 moves away from the brake disc. The brake caliper 4 unloads the force and returns to the initial position. The other brake disc is pulled away from the brake disc by the elastic member 5 to realize the release of braking.

[0062] And during the braking process, the brake pad 2 reciprocally rolls in the fixed seat 12 through the rolling assembly 3, which can make the movement of the brake pad 2 smoother and the braking performance better.

[0063] In some embodiments, there are multiple installation chutes 111, and the brake pad 2 is provided with multiple sliding portions 21. The multiple sliding portions 21 are respectively installed in the multiple installation chutes 111 through the rolling assembly 3 in a one-to-one correspondence and roll.

[0064] Specifically, as Figure 1 shown, there may be two installation chutes 111. The two installation chutes 111 are spaced apart. Correspondingly, as Figure 4 shown, the brake pad 2 is provided with two sliding portions 21. The two sliding portions 21 are spaced apart. The two sliding portions 21 and the two installation chutes 111 are distributed in a one-to-one correspondence, and a rolling assembly 3 is provided between each sliding portion 21 and each installation chute 111, so that the two sliding portions 21 can respectively roll and cooperate with the two installation chutes 111 through the rolling assembly 3. Among them, the number of the installation chutes 111 and the sliding portions 21 can also be set to three, four, etc. The number is not limited to that described in this embodiment and can be set according to actual needs.

[0065] Further, during the braking process, when the brake pad 2 approaches or moves away from the brake disc, the two sliding portions 21 of the brake pad 2 roll and cooperate with the fixed seat 12 through the rolling assembly 3, which can enable the brake pad 2 to approach or move away from the brake disc in time. And during the braking process, the forces on the brake pad 2 and the bracket assembly 1 are uniform, thereby improving the bearing capacity of the overall structure, ensuring the stability and reliability of the braking process, and thus improving the braking performance of the caliper structure 100.

[0066] In some embodiments, the sliding portion 21 is provided in two groups, and the two groups of sliding portions 21 are respectively located on both sides of the brake pad 2 and protrude and extend away from each other. The bracket assembly 1 is formed with two groups of installation chutes 111. The two groups of installation chutes 111 are open towards each other, and the two groups of sliding portions 21 respectively extend into the two groups of installation chutes 111 in a one-to-one correspondence.

[0067] Specifically, the brake pad 2 can clamp or release the brake disc along the transverse direction of the vehicle. When there is no braking, the brake disc rotates with the rotation of the wheel. The two sliding parts 21 of the brake pad 2 are spaced apart along the circumferential direction of the brake disc. As Figure 4 shown, the two sliding parts 21 protrude and extend away from each other on both sides of the brake pad 2, that is, the two sliding parts 21 can be symmetrically distributed on both sides of the brake pad 2, and two installation sliding grooves 111 are formed in the bracket assembly 1. The installation sliding grooves 111 have an open side, and the two installation sliding grooves 111 are open towards each other, that is, the two installation sliding grooves 111 can be symmetrically distributed on both sides of the bracket assembly 1, and the two sliding parts 21 extend into the two installation sliding grooves 111 one by one. The two installation sliding grooves 111 can be used to limit both sides of the brake pad 2 to ensure the stability of the brake pad 2.

[0068] Furthermore, during the braking process, the brake pad 2 will receive a reaction force from the brake disc. The two sliding parts 21 of the brake pad 2 roll relative to the two installation sliding grooves 111 through the rolling components 3 respectively, which can reduce the movement resistance between the two, and reduce the impact of the brake pad 2 on the bracket assembly 1, thereby reducing the noise during the braking process and improving the braking performance of the vehicle.

[0069] The present utility model also proposes a vehicle.

[0070] The vehicle according to the embodiment of the present utility model includes the caliper structure 100 of any one of the above embodiments. In practical applications, the caliper structure 100 and the brake disc are used in cooperation. The caliper structures 100 can be respectively arranged at both ends of the vehicle axle. The brake disc rotates with the axle. When braking is required, the brake pads 2 of the caliper structure 100 clamp the brake disc to achieve braking. After braking, the two brake pads 2 are away from the brake disc to release the braking. Among them, by arranging the rolling components 3 between the brake pad 2 and the bracket assembly 1, the caliper structure 100 can fill the gap between the brake pad 2 and the bracket assembly 1. In this way, there is no movement space for the brake pad 2 during braking, and the action of hitting the bracket assembly 1 cannot be completed, thereby reducing the decibel and occurrence probability of the impact noise. During the braking process, the brake pad 2 can roll and cooperate with the bracket assembly 1 through the rolling components 3, which can reduce the movement resistance between the brake pad 2 and the bracket assembly 1, thereby reducing drag and improving braking performance, so as to provide effective braking performance and safety guarantee.

[0071] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0072] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A caliper structure, characterized in that, include: A bracket assembly, the bracket assembly is suitable for being fixed relative to the vehicle body, and the bracket assembly is formed with a mounting slot; a brake pad, wherein the brake pad is formed with a sliding portion; A rolling assembly, the rolling assembly being installed in the installation slide groove and located between the sliding portion and the bracket assembly; Wherein, when the brake pad approaches or moves away from the brake disc, the sliding portion rolls with the bracket assembly through the rolling assembly.

2. The caliper structure according to claim 1, characterized in that, The bracket assembly includes a mounting bracket and a fixing seat, the mounting bracket defines the mounting slot, and the fixing seat is located in the mounting slot; Wherein, the rolling component is arranged between the fixing seat and the sliding part, and / or the rolling component is arranged between the inner wall of the mounting slide groove and the sliding part.

3. The caliper structure according to claim 2, characterized in that, The rolling assembly includes a mounting frame and a rolling member, wherein the rolling member is rotatably mounted on the mounting frame, the mounting frame is connected to one of the fixed seat and the sliding part, and the rolling member rolls and presses against the other of the fixed seat and the sliding part.

4. The caliper structure according to claim 3, characterized in that, The mounting frame includes a main board body and two connecting plates, the two connecting plates are spaced apart and connected to the same side of the main board body and define a mounting space together with the main board body, the main board body is fitted and connected to one of the fixed seat and the sliding part on a side facing away from the mounting space, and the rolling element is installed in the mounting space and at least partially extends from the mounting space to make rolling contact with the other of the fixed seat and the sliding part.

5. The caliper structure according to claim 4, characterized in that A connecting shaft is sleeved inside the rolling element, and the rolling element is rotatably connected to the two connecting plates through the connecting shaft, and the axis of the connecting shaft extends vertically; The rolling element is configured as a roller or a needle bearing.

6. The caliper structure according to claim 3, characterized in that, There are multiple rolling elements, and the multiple rolling elements are installed on the mounting frame in parallel and spaced apart.

7. The caliper structure according to claim 1, characterized in that, It also includes a brake claw and an elastic member, wherein the brake claw is suitable for driving the brake pad to move closer to the brake disc under the action of the brake pressure, and the elastic member is suitable for driving the brake pad to move away from the brake disc after the brake pressure is removed.

8. The caliper structure according to claim 1, characterized in that There are a plurality of the installation slide grooves, and the brake pad is provided with a plurality of the sliding parts. The plurality of sliding parts are respectively rollingly installed in the plurality of the installation slide grooves in a one-to-one correspondence through the rolling components.

9. The caliper structure according to claim 1, wherein, The sliding parts are arranged in two groups, and the two groups of sliding parts are respectively located on both sides of the brake pad and protrude and extend in a direction away from each other. The bracket assembly is formed with two groups of mounting grooves, the two groups of mounting grooves are open toward each other, and the two groups of sliding parts respectively extend into the two groups of mounting grooves one by one.

10. A vehicle, characterized in that, The invention comprises the caliper structure according to any one of claims 1 to 9.

Images