Automobile brake shoe with heat dissipation effect

Abstract

The utility model discloses an automobile brake shoe with a heat dissipation effect, which belongs to the technical field of automobile brake shoes and comprises a brake drum and brake shoes, the brake shoes are symmetrically mounted on the outer wall of the brake drum, hinge shafts are mounted at the bottom ends of the brake shoes, and the brake shoes are movably connected with the brake drum through the hinge shafts. A plurality of sets of heat dissipation holes are formed in the brake shoes, friction blocks are installed on the inner walls of the brake shoes, bolts are arranged in the friction blocks and extend into the brake shoes, and reinforcing ribs are symmetrically installed on the outer walls of the brake shoes. According to the automobile brake shoe, the excellent heat dissipation performance of the automobile brake shoe is achieved, multi-group matching type efficient heat conduction and heat dissipation of the automobile brake shoe are facilitated, heat of the automobile brake shoe can be conveniently and rapidly conducted and discharged, the use of electric appliance elements is reduced, the mechanical transmission stability of the automobile brake shoe is improved, and the service life of the automobile brake shoe is prolonged. And the service life of the automobile brake shoe is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile brake shoes, in particular to an automobile brake shoe with heat dissipation effect. Background Art

[0002] In the automobile's braking system, it is a key component of the drum brake and directly affects the vehicle's braking performance and safety. The main function of the brake shoe is to convert the vehicle's kinetic energy into heat energy through friction with the inner surface of the brake drum. During the braking process, the brake shoe withstands the thrust of the actuator, the normal force and tangential force of the brake drum, as well as the support reaction force, thereby ensuring effective braking effect. The brake shoe is usually composed of a metal base plate and friction material. The metal base plate provides structural support, while the friction material is responsible for contacting the brake drum and generating friction to ensure stable braking effect under various driving conditions.

[0003] For example, an automobile brake shoe with good heat dissipation effect disclosed in the authorization announcement number CN212690643U includes a support seat, a heat conducting plate is fixedly connected to one side of the support seat, a support block is fixedly connected to the inner wall of the heat conducting plate, a heat dissipation hole is opened on the inner wall of the support block, a reinforcement block is fixedly connected to the outer wall of the support block, a positioning block is fixedly connected to the bottom of the heat conducting plate, and a roller hole is opened on the inner wall of the positioning block.

[0004] The invention can achieve the purpose of achieving good heat dissipation effect of the automobile brake shoe, effectively conduct the heat received, avoid the brake shoe being in a high temperature state for a long time, extend the service life of the brake shoe, bring convenience to people's use, reduce people's economic losses, reduce people's capital cost investment, solve the problem of poor heat dissipation effect of general automobile brake shoes, and thus bring convenience to people's work and life;

[0005] However, the problem that the existing automobile brake shoes of this type are generally not conducive to excellent heat dissipation performance during use, are not convenient for automobile brake shoes to perform multiple sets of coordinated and efficient heat conduction and heat dissipation, are not convenient for quickly dissipating heat from the automobile brake shoes, and the use of a large number of electrical components easily causes instability, which greatly affects the stability and service life of the automobile brake shoe mechanical transmission. Utility Model Content

[0006] The purpose of the utility model is to provide an automobile brake shoe with a heat dissipation effect, so as to solve the problems raised in the above background technology that the automobile brake shoe is not convenient for excellent heat dissipation performance, is not convenient for automobile brake shoes to carry out multiple sets of coordinated and efficient heat conduction and heat dissipation, is not convenient for quickly dissipating heat from the automobile brake shoe, and the use of a large number of electrical components easily causes instability, which affects the stability and service life of the mechanical transmission of the automobile brake shoe.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a kind of automobile brake shoe with heat dissipation effect, comprising a brake drum and a brake shoe, the brake shoe is symmetrically installed on the outer wall of the brake drum, the bottom end of the brake shoe is installed with a hinge shaft, and the brake shoe is movably connected to the brake drum through the hinge shaft, the interior of the brake shoe is provided with multiple groups of heat dissipation holes, the inner wall of the brake shoe is installed with a friction block, the interior of the friction block is provided with a bolt, and the bolts extend to the interior of the brake shoe, the outer wall of the brake shoe is symmetrically installed with reinforcing ribs, and multiple groups of heat-conducting blocks with equal intervals are installed between the two groups of reinforcing ribs, a heat transfer block is installed on the outer wall of the brake drum on one side of the heat transfer block, a flexible heat-conducting strip is installed at one end of the heat transfer block, and the flexible heat-conducting strip extends to the surface of the heat-conducting block.

[0008] Furthermore, a positioning frame is installed on the top of the brake drum, a positioning sleeve is installed on the outer wall of the positioning frame, and a central axis is symmetrically installed on the outer wall of the positioning frame.

[0009] Furthermore, the surfaces of the central shafts are all covered with pressure arms, and the top ends of the pressure arms are all movably provided with pressure wheels.

[0010] Furthermore, a bent arm is mounted on the outer wall of the central shaft on one side of the pressure arm, a clamping shaft is installed at the bottom end of the bent arm, and a supporting wheel is mounted on the surface of the clamping shaft.

[0011] Furthermore, a transmission shaft is movably installed inside the positioning sleeve, and both ends of the transmission shaft extend to the outside of the positioning sleeve.

[0012] Furthermore, a transmission block is sleeved on the surface of the transmission shaft between the two groups of pressure wheels on one side of the transmission shaft, and a brake arm is installed on the end of the transmission shaft away from the transmission block.

[0013] Furthermore, the top ends of the brake shoes are all equipped with linkage columns, and the surfaces of the linkage columns are all covered with sliding sleeves.

[0014] Furthermore, springs are installed between the two sets of sliding sleeves on one side of the positioning frame, and the springs are all connected to the sliding sleeves, and the sliding sleeves are all slidably connected to the linkage columns.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the automobile brake shoe not only achieves excellent heat dissipation performance of the automobile brake shoe, facilitates the automobile brake shoe to perform multi-group coordinated and efficient heat conduction and heat dissipation, facilitates the rapid heat conduction and discharge of the automobile brake shoe heat, but also reduces the use of electrical components, improves the stability of the automobile brake shoe mechanical transmission, and prolongs the service life of the automobile brake shoe;

[0016] By machining heat dissipation holes inside the brake shoe, the brake shoe can dissipate heat more easily. The friction block is connected to the brake shoe through bolts. The brake shoe transfers heat to the reinforcement rib, the reinforcement rib transfers heat to the heat conduction block, the heat conduction block transfers heat to the heat transfer block through the flexible heat conduction strip, and the heat transfer block transfers heat to the brake drum, so as to facilitate the heat conduction and heat dissipation of the brake shoe, achieve excellent heat dissipation performance of the automobile brake shoe, facilitate multi-group coordinated and efficient heat conduction and heat dissipation of the automobile brake shoe, and facilitate the rapid heat conduction and heat dissipation of the automobile brake shoe.

[0017] When braking is needed, the external structure drives the brake arm to rotate, the brake arm drives the transmission shaft and the transmission block to rotate, the positioning sleeve movably supports the transmission shaft, the transmission block drives the pressure wheel to rotate, the pressure wheel drives the pressure arm to rotate with the central axis as the axis, the pressure arm drives the bending arm to rotate with the central axis as the axis, the bending arm drives the card shaft and the support wheel to rotate, and the support wheel drives the brake shoe to rotate with the hinge axis as the axis to facilitate braking. The spring elastically supports the linkage column through the sliding sleeve to facilitate elastic support of the brake shoe to facilitate resetting of the brake shoe, thereby realizing convenient multi-structure linkage and reliable mechanical braking of the automobile brake shoe, reducing the use of electrical components, improving the stability of the mechanical transmission of the automobile brake shoe, and extending the service life of the automobile brake shoe. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of this application and make other features, purposes and advantages of this application more apparent. The drawings and descriptions of the exemplary embodiments of this application are used to explain this application and do not constitute an improper limitation on this application.

[0019] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the elements and components are not necessarily drawn to scale.

[0020] In the attached figure:

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the brake drum of the present utility model;

[0023] Figure 3 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0024] Figure 4 This is a schematic diagram of the three-dimensional structure of the brake arm of the utility model;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the brake shoe of the utility model;

[0026] Figure 6 This is a schematic diagram of the three-dimensional structure of the positioning frame of the utility model;

[0027] Figure 7 This is a schematic diagram of the front view structure of the transmission block of the present utility model;

[0028] Figure 8 This is a schematic diagram of the three-dimensional structure of the curved arm of the present invention;

[0029] Figure 9 This is a schematic diagram of the three-dimensional structure of the flexible heat-conducting strip of the utility model.

[0030] Reference numerals:

[0031] In the figure: 1. Brake drum; 2. Reinforcement rib; 3. Brake shoe; 4. Heat dissipation hole; 5. Friction block; 6. Bolt; 7. Heat conduction block; 8. Heat transfer block; 9. Flexible heat conduction strip; 10. Articulated shaft; 11. Positioning frame; 12. Transmission shaft; 13. Transmission block; 14. Pressure wheel; 15. Pressure arm; 16. Center shaft; 17. Bending arm; 18. Clamping shaft; 19. Support wheel; 20. Linkage column; 21. Sliding sleeve; 22. Spring; 23. Brake arm; 24. Positioning sleeve. DETAILED DESCRIPTION

[0032] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments described herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are for illustrative purposes only and are not intended to limit the scope of protection of the present disclosure.

[0033] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0034] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0035] It should be noted that the modifications of "one" and "multiple" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, they should be understood as "one or more".

[0036] See also Figure 1-9The utility model provides an embodiment: an automobile brake shoe with a heat dissipation effect, comprising a brake drum 1 and a brake shoe 3, the outer wall of the brake drum 1 is symmetrically mounted with brake shoes 3, the bottom ends of the brake shoes 3 are all mounted with hinge shafts 10, and the brake shoes 3 are movably connected to the brake drum 1 through the hinge shafts 10, the interior of the brake shoes 3 is provided with multiple groups of heat dissipation holes 4, the inner walls of the brake shoes 3 are all mounted with friction blocks 5, the interiors of the friction blocks 5 are all provided with bolts 6, and the bolts 6 all extend to the interior of the brake shoes 3, the outer walls of the brake shoes 3 are all symmetrically mounted with reinforcing ribs 2, and multiple groups of heat-conducting blocks 7 with equal intervals are mounted between the two groups of reinforcing ribs 2, the outer wall of the brake shoes 3 is all mounted with heat transfer blocks 8 on one side of the heat-conducting blocks 7, one end of the heat transfer blocks 8 is mounted with flexible heat-conducting strips 9, and the flexible heat-conducting strips 9 all extend to the surface of the heat-conducting blocks 7;

[0037] By machining the heat dissipation hole 4 inside the brake shoe 3, the brake shoe 3 is facilitated to dissipate heat. The friction block 5 is connected to the brake shoe 3 through the bolt 6. The brake shoe 3 transfers heat to the reinforcing rib 2. The reinforcing rib 2 transfers heat to the heat-conducting block 7. The heat-conducting block 7 transfers heat to the heat-conducting block 8 through the flexible heat-conducting strip 9. The heat-conducting block 8 transfers heat to the brake drum 1, thereby facilitating heat conduction and heat dissipation of the brake shoe 3. This achieves excellent heat dissipation performance of the automobile brake shoe, facilitates efficient heat conduction and heat dissipation of multiple groups of automobile brake shoes, and facilitates rapid heat conduction and heat dissipation of the automobile brake shoe.

[0038] A positioning frame 11 is installed on the top of the brake drum 1, a positioning sleeve 24 is installed on the outer wall of the positioning frame 11, and a central axis 16 is symmetrically installed on the outer wall of the positioning frame 11;

[0039] The surface of the central shaft 16 is provided with a pressure arm 15, and the top of the pressure arm 15 is movably provided with a pressure wheel 14;

[0040] A bent arm 17 is mounted on the outer wall of the central axis 16 on one side of the pressure arm 15, and a clamping shaft 18 is mounted on the bottom end of the bent arm 17. A support wheel 19 is mounted on the surface of the clamping shaft 18, and the support wheel 19 is slidably connected to the brake shoe 3;

[0041] The transmission shaft 12 is movably mounted inside the positioning sleeve 24. Both ends of the transmission shaft 12 extend to the outside of the positioning sleeve 24. A transmission block 13 is mounted on the surface of the transmission shaft 12 between the two sets of pressure rollers 14 on one side of the transmission shaft 12. A brake arm 23 is mounted on the end of the transmission shaft 12 away from the transmission block 13.

[0042] The top of the brake shoe 3 is equipped with a linkage column 20, and the surface of the linkage column 20 is covered with a sliding sleeve 21;

[0043] A spring 22 is installed between the two sets of sliding sleeves 21 on one side of the positioning frame 11, and the springs 22 are all connected to the sliding sleeves 21, and the sliding sleeves 21 are all slidably connected to the linkage column 20;

[0044] When braking is needed, the external structure drives the brake arm 23 to rotate, and the brake arm 23 drives the transmission shaft 12 and the transmission block 13 to rotate, and the positioning sleeve 24 movably supports the transmission shaft 12, and the transmission block 13 drives the pressure wheel 14 to rotate, and the pressure wheel 14 drives the pressure arm 15 to rotate with the central axis 16 as the axis, and the pressure arm 15 drives the bent arm 17 to rotate with the central axis 16 as the axis, and the bent arm 17 drives the card shaft 18 and the support wheel 19 to rotate, and the support wheel 19 drives the brake shoe 3 to rotate with the hinge shaft 10 as the axis to facilitate braking. The spring 22 elastically supports the linkage column 20 through the sliding sleeve 21 to facilitate elastic support of the brake shoe 3 to facilitate resetting of the brake shoe 3, thereby realizing convenient multi-structure linkage and reliable mechanical braking of the automobile brake shoe, reducing the use of electrical components, improving the stability of the mechanical transmission of the automobile brake shoe, and extending the service life of the automobile brake shoe.

[0045] When the embodiment of the present application is in use: an external power supply is connected, and the heat dissipation hole 4 is first processed inside the brake shoe 3 to facilitate the heat dissipation of the brake shoe 3. The friction block 5 is connected to the brake shoe 3 through the bolt 6. The brake shoe 3 transfers heat to the reinforcing rib 2, and the reinforcing rib 2 transfers heat to the heat-conducting block 7. The heat-conducting block 7 transfers heat to the heat-conducting block 8 through the flexible heat-conducting strip 9, and the heat-conducting block 8 transfers heat to the brake drum 1 to facilitate the heat conduction and heat dissipation of the brake shoe 3. When braking is required, the external structure drives the brake arm 23 to rotate, and the brake arm 23 drives the transmission shaft 12 and the transmission block 1 3 rotates, the positioning sleeve 24 movably supports the transmission shaft 12, the transmission block 13 drives the pressure wheel 14 to rotate, the pressure wheel 14 drives the pressure arm 15 to rotate with the central axis 16 as the axis, the pressure arm 15 drives the bent arm 17 to rotate with the central axis 16 as the axis, the bent arm 17 drives the card shaft 18 and the support wheel 19 to rotate, and the support wheel 19 drives the brake shoe 3 to rotate with the hinge shaft 10 as the axis to facilitate braking. The spring 22 elastically supports the linkage column 20 through the sliding sleeve 21 to facilitate elastic support of the brake shoe 3 to facilitate the reset of the brake shoe 3 to complete the use of the automobile brake shoe.

[0046] The above description is only an illustration of some preferred embodiments of the present disclosure and the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. An automobile brake shoe with heat dissipation effect, characterized in that: The invention comprises a brake drum (1) and a brake shoe (3), wherein the brake shoe (3) is symmetrically mounted on the outer wall of the brake drum (1), the bottom end of each of the brake shoes (3) is mounted with a hinge shaft (10), and the brake shoe (3) is movably connected to the brake drum (1) via the hinge shaft (10), the interior of each of the brake shoes (3) is provided with a plurality of heat dissipation holes (4), the inner wall of each of the brake shoes (3) is mounted with a friction block (5), and the interior of each of the friction blocks (5) is provided with a plurality of heat dissipation holes (4), and the inner wall of each of the brake shoes (3) is mounted with a friction block (5). Bolts (6) are provided, and the bolts (6) are all extended to the inside of the brake shoe (3); reinforcing ribs (2) are symmetrically installed on the outer wall of the brake shoe (3), and multiple groups of heat-conducting blocks (7) are installed at equal intervals between two groups of reinforcing ribs (2); a heat-conducting block (8) is installed on the outer wall of the brake drum (1) on one side of the heat-conducting block (7); a flexible heat-conducting strip (9) is installed at one end of the heat-conducting block (8), and the flexible heat-conducting strip (9) extends to the surface of the heat-conducting block (7).

2. The automobile brake shoe with heat dissipation effect according to claim 1, characterized in that: A positioning frame (11) is installed on the top end of the brake drum (1), a positioning sleeve (24) is installed on the outer wall of the positioning frame (11), and a central axis (16) is symmetrically installed on the outer wall of the positioning frame (11).

3. The automobile brake shoe with heat dissipation effect according to claim 2, characterized in that: The surface of the central shaft (16) is provided with a pressure arm (15), and the top of the pressure arm (15) is movably provided with a pressure wheel (14).

4. The automobile brake shoe with heat dissipation effect according to claim 3, characterized in that: A bent arm (17) is mounted on the outer wall of the central shaft (16) on one side of the pressure arm (15), a clamping shaft (18) is mounted on the bottom end of the bent arm (17), and a supporting wheel (19) is mounted on the surface of the clamping shaft (18).

5. The automobile brake shoe with heat dissipation effect according to claim 2, characterized in that: A transmission shaft (12) is movably mounted inside the positioning sleeve (24), and both ends of the transmission shaft (12) extend to the outside of the positioning sleeve (24).

6. The automobile brake shoe with heat dissipation effect according to claim 5, characterized in that: A transmission block (13) is sleeved on the surface of the transmission shaft (12) between the two groups of pressure wheels (14) on one side of the transmission shaft (12), and a brake arm (23) is installed at one end of the transmission shaft (12) away from the transmission block (13).

7. The automobile brake shoe with heat dissipation effect according to claim 1, characterized in that: The top ends of the brake shoes (3) are all provided with linkage columns (20), and the surfaces of the linkage columns (20) are all provided with sliding sleeves (21).

8. The automobile brake shoe with heat dissipation effect according to claim 2, characterized in that: A spring (22) is installed between the two sets of sliding sleeves (21) on one side of the positioning frame (11), and the springs (22) are all connected to the sliding sleeves (21), and the sliding sleeves (21) are all slidably connected to the linkage column (20).

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