Brake block with heat dissipation function

Abstract

The utility model provides a brake block with a heat dissipation function, and relates to the technical field of brake shoes. The brake block with the heat dissipation function comprises two brake shoe blocks, two first reset springs are arranged between the two brake shoe blocks, the two ends of each first reset spring are connected with connecting bases in a hanging mode, the two connecting bases are fixedly connected with the two brake shoe blocks respectively, and arc-shaped grooves are formed in the front sides and the rear sides of the brake shoe blocks. According to the brake block with the heat dissipation function, a rotating disc is rotated in the forward direction, a rotating rod drives a gear to rotate, the gear is in meshed connection with a rack, the rack slides on a sliding rod, the rack drives a round rod to move, after the round rod drives a clamping rod to be away from two clamping frames through a connecting rod, the rotating disc is rotated, and the round rod drives the clamping rod to rotate through the connecting rod; by means of the structure, the replacement progress of the friction plate can be accelerated, and meanwhile the friction plate can be conveniently and rapidly installed and fixed.

Description

Technical Field

[0001] The utility model relates to a brake block with a heat dissipation function, in particular to a brake block with a heat dissipation function, belonging to the technical field of brake shoes. Background Art

[0002] Brake shoes are called brake shoes for short. Brake shoes are parts that are pushed outwards by the brake cam or push rod to press the brake drum to brake. They are installed on the brake drum and are one of the key safety parts in the automobile braking system. Brake shoes are shaped like a half moon. When you step on the brake, the two half-moon-shaped brake shoes will be pushed outwards by the brake wheel cylinder, supporting the brake shoes and rubbing against the inner wall of the brake drum to slow down or stop the car.

[0003] The disclosure is of CN215171700U, a motorcycle brake shoe with heat dissipation function, comprising a brake shoe, a first connecting block is arranged on the inner side of the brake shoe, a return spring is arranged on one side of the first connecting block, a threaded hole is opened on the surface of the brake shoe away from the first connecting block, and an arc block is arranged on the outer side of the brake shoe; this is a motorcycle brake shoe with heat dissipation function.

[0004] In the above scheme, when the friction plate needs to be replaced due to excessive wear, the arc block and the friction plate can be removed together by removing the fixing bolts, which is convenient for replacing the new friction plate. However, since the friction plate is fixed by multiple bolts, it is troublesome for personnel to use tools to remove them one by one, which affects the progress of friction plate replacement and reduces the practicality of the device. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide a brake block with a heat dissipation function in order to solve the above-mentioned problem, so as to solve the problem in the prior art that when the friction plate needs to be replaced due to excessive wear, the arc block can be removed together with the friction plate by removing the fixing bolts, so as to facilitate the replacement of the new friction plate. However, since the friction plate is fixed by multiple bolts, it is troublesome for personnel to use tools to remove them one by one, which affects the progress of the friction plate replacement and reduces the practicality of the device.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a brake block with heat dissipation function, comprising two brake shoes, two first return springs are arranged between the two brake shoes, both ends of the first return spring are hung with connecting seats, the two connecting seats are respectively fixedly connected to the two brake shoes, the brake shoes are provided with arc grooves on the front and rear sides, and an installation groove is formed between the two arc grooves, a rack is arranged inside the installation groove, a sliding rod is slidably connected to the inner side of the rack, the sliding rod is fixedly connected to the brake shoe, a gear is meshedly connected to the top of the rack, a rotating rod is fixedly connected to the outer side of the gear, a limiting position component is arranged on the outer side of the rotating rod, one end of the rack is rotatably connected to a round rod, a mounting block and a friction plate are sleeved on the outer side of the round rod, one end of the round rod is fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the card rod, two card frames are arranged on the outer side of the card rod, and the two card frames are fixedly connected to the friction plate.

[0009] Preferably, a plurality of heat dissipation holes are formed between the two arc-shaped grooves, a plurality of reinforcing ribs are provided inside the two arc-shaped grooves, and the plurality of reinforcing ribs are fixedly connected to the brake shoe. The opening of the plurality of heat dissipation holes enables the brake shoe to have a heat dissipation function.

[0010] Preferably, a support plate is rotatably connected to the outer side of the rotating rod, the support plate is arranged inside the mounting groove, the support plate is fixedly connected to the brake shoe, a rotating disk is fixedly connected to the outer side of the rotating rod, the rotating disk is arranged inside one of the arc grooves, and a plurality of slots are opened on the outer side of the rotating disk.

[0011] Preferably, the limit assembly includes a limit rod, which is arranged on the outside of the rotating disk, and the top of the limit rod is arranged inside one of the slots. A fixed block is slidably connected to the outside of the limit rod, and the fixed block is arranged inside one of the arc grooves and fixedly connected to the brake shoe.

[0012] Preferably, the limiting assembly also includes a second return spring, which is sleeved on the outside of the limiting rod, and the bottom end of the limiting rod is fixedly connected to a pull block, and the two ends of the second return spring are respectively fixedly connected to the fixed block and the pull block. The setting of the second return spring plays the role of elastic stretching and elastic return.

[0013] Preferably, a turntable is fixedly connected to the outer side of the round rod, one end of the round rod passes through the inner side of the mounting groove and extends to the outer side of the brake shoe, the round rod is slidably connected to the brake shoe, the mounting block is arranged on the outer side of the brake shoe and fixedly connected to the brake shoe, a first circular groove is provided on the inner side of the mounting block, the friction plate is arranged on the outer side of the mounting block and contacts the friction plate, a second circular groove is provided on the inner side of the friction plate, the first circular groove is communicated with the second circular groove, one end of the round rod passes through the first circular groove and extends into the second circular groove, a positioning groove is provided on the outer wall of the mounting block, a positioning block is fixedly connected to the inner wall of the friction plate, the positioning block is arranged inside the positioning groove, and the positioning block is provided to facilitate the positioning of the friction plate during installation.

[0014] Preferably, the connecting rod and the clamping rod are both arranged inside the second circular groove, and the two clamping frames are both arranged inside the second circular groove.

[0015] The utility model provides a brake block with heat dissipation function, which has the following beneficial effects:

[0016] 1. The brake block with heat dissipation function rotates the rotating plate in the forward direction, and the rotating rod drives the gear to rotate. The gear is meshed and connected with the rack. The rack slides on the sliding rod, and the rack drives the round rod to move. After the round rod drives the clamping rod away from the two clamping frames through the connecting rod, the rotating plate is rotated, and the round rod drives the clamping rod to rotate through the connecting rod, so that the friction plate can be quickly disassembled. This structure can improve the replacement progress of the friction plate, and also facilitates the rapid installation and fixation of the friction plate.

[0017] 2. The brake block with heat dissipation function, when the rotating disk is rotated in the opposite direction and rotated to a certain position, the clamping rod is clamped into the two clamping frames to fix the friction plate. Then, the pull block can be loosened, and the second reset spring is elastically reset, and the limit rod is clamped into the clamping groove to prevent the rotating disk from rotating, thereby improving the stability of the installation and fixation of the friction plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 A magnified view of the structure of part A;

[0020] Figure 3 This is a schematic diagram of the round rod structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 Enlarged view of the structure of part B.

[0022]

Main component symbol description

[0023] 1. Brake shoe; 2. First return spring; 3. Connecting seat; 4. Arc groove; 5. Heat dissipation hole; 6. Reinforcement rib; 7. Mounting block; 8. Friction plate; 9. Mounting groove; 10. Round rod; 11. Turntable; 12. Connecting rod; 13. Clamping rod; 14. Clamping frame; 15. Rack; 16. Gear; 17. Rotating rod; 18. Rotating disk; 19. Limiting rod; 20. Fixed block; 21. Second return spring; 22. Sliding rod. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a brake block with heat dissipation function.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including two brake shoes 1, two first return springs 2 are arranged between the two brake shoes 1, both ends of the first return spring 2 are hung with connecting seats 3, the two connecting seats 3 are respectively fixedly connected to the two brake shoes 1, the brake shoe 1 is provided with arc grooves 4 on the front and rear sides, a plurality of heat dissipation holes 5 are formed between the two arc grooves 4, a plurality of reinforcing ribs 6 are arranged inside the two arc grooves 4, the plurality of reinforcing ribs 6 are fixedly connected to the brake shoe 1, a mounting groove 9 is formed between the two arc grooves 4, a rack 15 is arranged inside the mounting groove 9, and the rack The inner side of rack 15 is slidably connected with a slide bar 22, which is fixedly connected to the brake shoe 1, the top of rack 15 is meshed with a gear 16, the outer side of gear 16 is fixedly connected with a rotating rod 17, the outer side of rotating rod 17 is rotatably connected with a support plate, the support plate is arranged inside the mounting groove 9, the support plate is fixedly connected to the brake shoe 1, the outer side of rotating rod 17 is fixedly connected with a rotating disk 18, the rotating disk 18 is arranged inside one of the arc grooves 4, a plurality of slots are provided on the outer side of rotating disk 18, a limit position assembly is provided on the outer side of rotating rod 17, and the gear 16 is meshed with a gear 16, the outer side of gear 16 is fixedly connected with a rotating rod 17, the outer side of rotating rod 17 is fixedly ... the gear 16 is meshed with a gear One end of the bar 15 is rotatably connected to a round rod 10, a mounting block 7 and a friction plate 8 are sleeved on the outside of the round rod 10, a turntable 11 is fixedly connected to the outside of the round rod 10, one end of the round rod 10 passes through the inside of the mounting groove 9 and extends to the outside of the brake shoe 1, the round rod 10 is slidably connected to the brake shoe 1, the mounting block 7 is arranged on the outside of the brake shoe 1 and is fixedly connected to the brake shoe 1, a first circular groove is opened on the inside of the mounting block 7, the friction plate 8 is arranged on the outside of the mounting block 7 and contacts with the friction plate 8, a second circular groove is opened on the inside of the friction plate 8, and the first circular groove is connected to the first circular groove. The second circular grooves are communicated, one end of the round rod 10 passes through the first circular groove and extends to the inside of the second circular groove, a positioning groove is opened on the outer wall of the mounting block 7, a positioning block is fixedly connected to the inner wall of the friction plate 8, the positioning block is arranged inside the positioning groove, one end of the round rod 10 is fixedly connected to a connecting rod 12, one end of the connecting rod 12 is fixedly connected to a clamping rod 13, two clamping frames 14 are arranged on the outside of the clamping rod 13, the two clamping frames 14 are fixedly connected to the friction plate 8, the connecting rod 12 and the clamping rod 13 are both arranged inside the second circular groove, and the two clamping frames 14 are both arranged inside the second circular groove.

[0026] Specifically, the setting of the limit assembly will be further explained later to realize the release of the limit of the rotating disk 18. By rotating the rotating disk 18 in the forward direction, the rotating rod 17 drives the gear 16 to rotate, and the gear 16 is meshed and connected with the rack 15. The rack 15 slides on the sliding rod 22, and the rack 15 drives the round rod 10 to move. After the round rod 10 drives the clamping rod 13 away from the two clamping frames 14 through the connecting rod 12, the turntable 11 is rotated, and the round rod 10 drives the clamping rod 13 to rotate through the connecting rod 12. Therefore, the friction plate 8 can be quickly disassembled. This structure can improve the replacement progress of the friction plate 8, and also facilitates the rapid installation and fixation of the friction plate 8.

[0027] The arrangement of the plurality of heat dissipation holes 5 enables the brake shoe 1 to have a heat dissipation effect. In addition, the arrangement of the plurality of reinforcing ribs 6 improves the strength of the brake shoe 1 .

[0028] See also Figure 1 and Figure 2 The limiting assembly includes a limiting rod 19, which is arranged on the outside of the rotating disk 18, and the top of the limiting rod 19 is arranged inside one of the slots. A fixed block 20 is slidably connected to the outside of the limiting rod 19, and the fixed block 20 is arranged inside one of the arc-shaped grooves 4 and fixedly connected to the brake shoe 1. The limiting assembly also includes a second return spring 21, which is sleeved on the outside of the limiting rod 19, and a pull block is fixedly connected to the bottom end of the limiting rod 19, and both ends of the second return spring 21 are fixedly connected to the fixed block 20 and the pull block respectively.

[0029] Specifically, when the rotation disk 18 needs to be released from the limit, the pull block is pulled downward, the second return spring 21 is elastically stretched, and the limit rod 19 is away from the slot.

[0030] When the rotating disk 18 is rotated in the opposite direction and rotated to a certain position, the clamping rod 13 is clamped into the two clamping frames 14 to fix the friction plate 8. Then, the pull block can be loosened, and the second return spring 21 is elastically reset. The limit rod 19 is clamped into the clamping groove to prevent the rotating disk 18 from rotating, thereby improving the stability of the installation and fixation of the friction plate 8.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A brake block with heat dissipation function, comprising two brake shoes (1), characterized in that: Two first return springs (2) are arranged between the two brake shoes (1), and connecting seats (3) are hung at both ends of the first return springs (2). The two connecting seats (3) are respectively fixedly connected to the two brake shoes (1). The brake shoes (1) are provided with arc grooves (4) on the front and rear sides, and a mounting groove (9) is formed between the two arc grooves (4). A rack (15) is arranged inside the mounting groove (9), and a slide bar (22) is slidably connected to the inner side of the rack (15). The slide bar (22) is fixedly connected to the brake shoes (1), and the top of the rack (15) is provided with a plurality of slide bars (22). The gear (16) is meshedly connected with the gear (16), the outer side of which is fixedly connected with a rotating rod (17), the outer side of which is provided with a limit assembly, one end of the rack (15) is rotatably connected with a round rod (10), the outer side of which is provided with a mounting block (7) and a friction plate (8), one end of the round rod (10) is fixedly connected with a connecting rod (12), one end of the connecting rod (12) is fixedly connected with a clamping rod (13), the outer side of the clamping rod (13) is provided with two clamping frames (14), and the two clamping frames (14) are both fixedly connected with the friction plate (8).

2. The brake shoe with heat dissipation function according to claim 1, characterized in that: A plurality of heat dissipation holes (5) are formed between the two arc-shaped grooves (4), a plurality of reinforcing ribs (6) are provided inside the two arc-shaped grooves (4), and the plurality of reinforcing ribs (6) are fixedly connected to the brake shoe (1).

3. The brake shoe with heat dissipation function according to claim 1, characterized in that: The outer side of the rotating rod (17) is rotatably connected to a support plate, the support plate is arranged inside the mounting groove (9), the support plate is fixedly connected to the brake shoe (1), the outer side of the rotating rod (17) is fixedly connected to a rotating disk (18), the rotating disk (18) is arranged inside one of the arc-shaped grooves (4), and a plurality of slots are opened on the outer side of the rotating disk (18).

4. The brake shoe with heat dissipation function according to claim 3, characterized in that: The limiting assembly comprises a limiting rod (19), the limiting rod (19) being arranged outside the rotating disk (18), the top end of the limiting rod (19) being arranged inside one of the slots, the outside of the limiting rod (19) being slidably connected to a fixing block (20), the fixing block (20) being arranged inside one of the arc-shaped slots (4) and fixedly connected to the brake shoe (1).

5. The brake shoe with heat dissipation function according to claim 4, characterized in that: The limiting assembly further comprises a second return spring (21), the second return spring (21) being sleeved on the outside of the limiting rod (19), the bottom end of the limiting rod (19) being fixedly connected to a pulling block, and the two ends of the second return spring (21) being fixedly connected to the fixed block (20) and the pulling block respectively.

6. The brake shoe with heat dissipation function according to claim 1, characterized in that: A rotating disk (11) is fixedly connected to the outer side of the round rod (10); one end of the round rod (10) passes through the inner side of the mounting groove (9) and extends to the outer side of the brake shoe (1); the round rod (10) is slidably connected to the brake shoe (1); the mounting block (7) is arranged on the outer side of the brake shoe (1) and is fixedly connected to the brake shoe (1); a first circular groove is provided on the inner side of the mounting block (7); the friction plate (8) is arranged on the outer side of the mounting block (7) and contacts the friction plate (8); a second circular groove is provided on the inner side of the friction plate (8); the first circular groove is communicated with the second circular groove; one end of the round rod (10) passes through the first circular groove and extends to the inside of the second circular groove; a positioning groove is provided on the outer wall of the mounting block (7); a positioning block is fixedly connected to the inner wall of the friction plate (8); and the positioning block is provided inside the positioning groove.

7. The brake shoe with heat dissipation function according to claim 6, characterized in that: The connecting rod (12) and the clamping rod (13) are both arranged inside the second circular groove, and the two clamping frames (14) are both arranged inside the second circular groove.

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