Dustproof and waterproof disc brake

Abstract

The utility model relates to the technical field of disc brakes, in particular to a dustproof and waterproof disc brake which comprises a shell and a coupler rotationally connected to the side wall of an inner cavity of the shell, a sealing bag ring is arranged on the surface of the coupler, and the sealing bag ring is also fixedly installed on the side wall of the inner cavity of the shell. Through the driving assembly, the two brake shoes can be driven to loosen the brake wheel, and meanwhile, the driving assembly can also fill the sealing bag ring with cooling liquid in the liquid storage tank, so that the sealing bag ring is expanded, a gap between the shell and the coupler can be further filled, and dust, water and the like are prevented from being brought in when the coupler rotates; meanwhile, new cooling liquid is filled into the sealing bag ring, the coupler can be cooled, the problem that overheating is caused in the high-speed rotating process of the coupler is avoided, the waterproof and dustproof performance of the brake is improved, meanwhile, the service life of the brake can be further prolonged, and the braking effect on corresponding equipment can be further improved.

Description

Technical Field

[0001] This utility model relates to the field of disc brake technology, specifically to a dustproof and waterproof disc brake. Background Technology

[0002] Currently, mechanical equipment and automated production lines are equipped with corresponding braking systems, the most common of which are disc brakes. A disc brake is a device that uses a brake electromagnet to control the brake arm to clamp the brake disc or brake wheel, thereby generating friction to slow down or stop rotation. This system is usually used for braking couplings and the rotating shafts of connected external equipment. When the brake is not engaged, the couplings used to connect external equipment rotate, pushing the surrounding air or airflow during rotation. This airflow may carry dust or moisture into the gaps in the brake housing, especially in humid or dusty external environments. Over a long period of use, this may cause wear or aging of the relevant components inside the brake, affecting the braking effect and service life of the brake on the corresponding equipment.

[0003] In view of this, we propose a dustproof and waterproof disc brake. Utility Model Content

[0004] To address the aforementioned shortcomings of existing technologies, this utility model provides a dustproof and waterproof disc brake, which effectively solves the problem that when the coupling rotates with external equipment, dust and moisture may enter the brake housing, causing wear and aging of internal components and affecting the braking effect and service life of the brake, even when the brake is not in use.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] This utility model provides a dustproof and waterproof disc brake, including a housing and a coupling rotatably connected to the inner cavity side wall of the housing. The surface of the coupling is provided with a sealing ring, and the sealing ring is also fixedly installed on the inner cavity side wall of the housing.

[0007] A brake wheel is fixedly installed at the bottom of the coupling. The brake wheel is rotatably installed at the bottom of the inner cavity of the housing. Two sets of brake shoes are symmetrically distributed on the surface of the brake wheel. A drive assembly is provided on the side of the two sets of brake shoes that are far apart from each other. The drive assembly is also located on the surface of the sealing ring.

[0008] The inner cavity of the shell is also equipped with a liquid storage tank at the bottom, and the drive assembly is also located on the surface of the liquid storage tank.

[0009] Furthermore, the drive assembly includes two sets of brake arms fixedly installed on opposite sides of the brake shoes. Support rods are sleeved on the surfaces of both sets of brake arms. The opposite sides of the two sets of support rods are fixedly installed on the inner wall of the housing. Braking electromagnets are also fixedly installed at the ends of the two sets of support rods that are close to each other.

[0010] Furthermore, both sets of support rods are equipped with brake springs on their exterior. The ends of the two sets of brake springs that are close to each other are fixedly installed on one side of the brake arm, while the ends of the two sets of brake springs that are far apart from each other are fixedly installed on the inner cavity sidewall of the housing.

[0011] Furthermore, connecting rods are fixedly installed inside the braking electromagnets, and the ends of the two sets of connecting rods that are far apart from each other are fixedly installed on one side of the braking arm;

[0012] Piston rods are fixedly installed on the side of each of the two sets of brake arms that are far apart from each other.

[0013] Furthermore, rubber pistons are fixedly installed at the ends of the two sets of piston rods that are far apart from each other, piston cylinders are sleeved on the surfaces of the two sets of rubber pistons, the bottoms of the two sets of piston cylinders are fixedly installed at the bottom of the inner cavity of the housing, and a three-way valve is fixedly installed at one end of the two sets of piston cylinders.

[0014] Furthermore, a connecting pipe is fixedly installed on the surface of each of the two sets of three-way valves, and the end of each connecting pipe away from the three-way valve is fixedly installed on the surface of the sealing ring.

[0015] Among them, the surfaces of the two sets of three-way valves are also fixedly installed with connecting pipes 2, and the ends of the two sets of connecting pipes 2 away from the three-way valves are also fixedly installed on the surface of the liquid storage tank.

[0016] The technical solution provided by this utility model has the following advantages compared with the known public technology:

[0017] This invention seals the contact area between the coupling and the housing by installing a sealing ring on the inner wall of the housing. When braking is not required, the drive assembly can loosen the brake wheels by driving the two sets of brake shoes, allowing the coupling connected to the brake wheels to rotate with the external equipment. Simultaneously, the drive assembly fills the sealing ring with coolant from the reservoir, causing the sealing ring to expand and further fill the gap between the housing and the coupling, preventing dust and moisture from being introduced during coupling rotation. The addition of new coolant to the sealing ring also cools the coupling, preventing overheating during high-speed rotation. This improves the brake's waterproof and dustproof performance, extends its service life, and enhances the braking effect on the corresponding equipment. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a first-view structural diagram of the present invention;

[0020] Figure 2 This is a partial cross-sectional structural diagram of the shell of this utility model;

[0021] Figure 3 This is a partial structural diagram of the liquid storage tank, piston cylinder, and related components of this utility model;

[0022] Figure 4 This is a partial cross-sectional structural diagram of the piston cylinder of this utility model.

[0023] The labels in the diagram represent: 1. Housing; 2. Coupling; 3. Brake electromagnet; 4. Connecting rod; 5. Brake arm; 6. Support rod; 7. Brake spring; 8. Brake shoe; 9. Brake wheel; 10. Piston cylinder; 11. Connecting pipe one; 12. Sealing ring; 13. Piston rod; 14. Accumulator; 15. Three-way valve; 16. Connecting pipe two; 17. Rubber piston. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] The present invention will be further described below with reference to the embodiments.

[0026] A dustproof and waterproof disc brake includes a housing 1 and a coupling 2 rotatably connected to the inner cavity sidewall of the housing 1. The surface of the coupling 2 is provided with a sealing ring 12, and the sealing ring 12 is also fixedly installed on the inner cavity sidewall of the housing 1. A brake wheel 9 is fixedly installed at the bottom of the coupling 2. The brake wheel 9 is rotatably installed at the bottom of the inner cavity of the housing 1, and the surface of the brake wheel 9 is provided with two sets of symmetrically distributed brake shoes 8. A drive assembly is provided on the side of the two sets of brake shoes 8 that are far apart from each other, and the drive assembly is also provided on the surface of the sealing ring 12. The bottom of the inner cavity of the housing 1 is also provided with a liquid tank 14, and the drive assembly is also provided on the surface of the liquid tank 14.

[0027] Furthermore, the drive assembly includes two sets of brake shoes 8 fixedly mounted on opposite sides. Each set of brake arms 5 has a support rod 6 sleeved on its surface. The opposite sides of the two sets of support rods 6 are fixedly mounted on the inner wall of the housing 1. A brake electromagnet 3 is also fixedly mounted on the opposite ends of the two sets of support rods 6. A brake spring 7 is also provided on the outside of each set of support rods 6. The opposite ends of the two sets of brake springs 7 are fixedly mounted on one side of the brake arm 5. The opposite ends of the two sets of brake springs 7 are fixedly mounted on the inner wall of the housing 1. A connecting rod 4 is fixedly mounted inside each brake electromagnet 3. The opposite ends of the two sets of connecting rods 4 are fixedly mounted on one side of the brake arm 5. A piston rod 13 is also fixedly mounted on the opposite sides of the two sets of brake arms 5.

[0028] Specifically, the coupling 2 installed inside the housing 1 can be used to connect with the rotating shafts of corresponding external equipment. A sealing ring 12 installed on the inner wall of the housing 1 seals the contact point between the coupling 2 and the housing 1. When the equipment is stationary, no current flows through the braking electromagnet 3. At this time, under the action of the braking spring 7, the two sets of braking arms 5 can drive the two sets of brake shoes 8 to move towards the brake wheel 9, forming a clamping force on the brake wheel 9. This, combined with the coupling 2, enables braking of external equipment. Conversely, when the equipment needs to run, the braking electromagnet 3 is energized. At this time, the two sets of connecting rods 4 inside the braking electromagnet 3... It can drive the two sets of brake arms 5 to move outward, compress the two sets of brake springs 7, and release the two sets of brake shoes 8 from the brake wheel 9, so that the coupling 2 can rotate with the external equipment. When the coupling 2 rotates, the drive component can deliver the coolant in the reservoir 14 to the sealing ring 12, thereby expanding the sealing ring 12, which can further fill the gap between the housing 1 and the coupling 2, and prevent dust and moisture from being brought in when the coupling 2 rotates. At the same time, filling the sealing ring 12 with new coolant can also cool the coupling 2 and prevent overheating during high-speed rotation.

[0029] Specifically, rubber pistons 17 are fixedly installed at the ends of the two sets of piston rods 13 that are far apart from each other. Piston cylinders 10 are sleeved on the surfaces of the two sets of rubber pistons 17. The bottoms of the two sets of piston cylinders 10 are fixedly installed at the bottom of the inner cavity of the housing 1. Three-way valves 15 are fixedly installed at one end of the two sets of piston cylinders 10. Connecting pipes 11 are fixedly installed on the surfaces of the two sets of three-way valves 15. The ends of the two sets of connecting pipes 11 that are far away from the three-way valves 15 are fixedly installed on the surface of the sealing ring 12. Connecting pipes 16 are also fixedly installed on the surfaces of the two sets of three-way valves 15. The ends of the two sets of connecting pipes 16 that are far away from the three-way valves 15 are also fixedly installed on the surface of the liquid storage tank 14.

[0030] Specifically, the function of the three-way valve 15 is mainly to control the flow direction of the coolant. The two sets of three-way valves 15 control in opposite directions. When braking is applied and the two sets of brake arms 5 are closed, the piston rods 13 connected to the two sets of brake arms 5 can drive the rubber piston 17 to move within the piston cylinder 10. One set of three-way valves 15 is connected to a second connecting pipe 16, which can draw coolant from the reservoir 14 into the piston cylinder 10. The other set of three-way valves 15 is connected to a first connecting pipe 11, which can draw coolant from the sealing ring 1... The coolant in the coupling 2 is drawn into the piston cylinder 10. Conversely, when braking is not required, the brake arm 5 is released, and the coolant in the piston cylinder 10 can be filled into the sealing ring 12 through one set of connecting pipes 11. Meanwhile, the coolant just drawn from the sealing ring 12 is filled into the reservoir 14 through another set of connecting pipes 16 and left to stand. This ensures that when the coupling 2 rotates with the external equipment without braking, the sealing ring 12 will be filled with coolant and expand.

[0031] The working principle of this utility model is as follows: The coupling 2 installed inside the housing 1 can be used to connect with the rotating shaft of corresponding external equipment. A sealing ring 12 installed on the inner wall of the housing 1 seals the contact point between the coupling 2 and the housing 1. When the equipment is stationary, no current flows through the braking electromagnet 3. At this time, the two sets of braking arms 5, under the action of the braking springs 7, can drive the two sets of brake shoes 8 to move towards the brake wheel 9, forming a clamping force on the brake wheel 9. This, combined with the coupling 2, enables braking of the external equipment. Conversely, when the equipment needs to run, the braking electromagnet 3 is energized. At this time, the two sets of connecting rods 4 inside the braking electromagnet 3 can drive the two sets of braking arms 5 to move outward, compressing the two sets of braking springs 7, causing the two sets of brake shoes 8 to release the brake wheel 9, allowing the coupling 2 to rotate with the external equipment. The function of the three-way valve 15 is mainly to control the flow direction of the coolant. The two sets of three-way valves 1... The control directions of 5 are opposite. When braking is applied and the two sets of brake arms 5 are closed, the piston rods 13 connected to the two sets of brake arms 5 can drive the rubber piston 17 to move in the piston cylinder 10. One set of three-way valves 15 is connected to the connecting pipe 2 16, which can draw coolant from the reservoir 14 into the piston cylinder 10. The other set of three-way valves 15 is connected to the connecting pipe 11, which can draw coolant from the sealing ring 12 into the piston cylinder 10. Conversely, when braking is not required, the brake arm 5 is released, and the coolant in the piston cylinder 10 can be filled into the sealing ring 12 through one set of connecting pipe 11. The coolant just drawn from the sealing ring 12 is filled into the reservoir 14 through the other set of connecting pipe 2 16 and left to stand. This ensures that when the coupling 2 rotates with the external equipment without braking, coolant will fill the sealing ring 12 and cause it to expand.

[0032] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A dustproof and waterproof disc brake, characterized in that, The utility model relates to a kind of brake device, including: Shell (1) and the coupling (2) rotationally connected to the inner chamber lateral wall of shell (1), the surface of coupling (2) is equipped with sealing bag ring (12), and sealing bag ring (12) is also fixedly installed on the inner chamber lateral wall of shell (1); Coupling (2) bottom is fixedly installed with brake drum (9), brake drum (9) is rotationally installed on the inner chamber bottom of shell (1), and the surface of brake drum (9) is provided with two groups of brake shoes (8) symmetrically distributed, the side of two groups of brake shoes (8) away from each other is equipped with driving assembly, and driving assembly is also provided on the surface of sealing bag ring (12); Wherein, the inner chamber bottom of shell (1) is also provided with liquid storage tank (14), and driving assembly is also provided on the surface of liquid storage tank (14).

2. The dust and water proof disc brake according to claim 1, wherein Driving assembly includes two groups of brake shoes (8) and the brake arm (5) fixedly installed on the side away from each other, the surface of two groups of brake arm (5) is all sleeved with support rod (6), the side of two groups of support rod (6) away from each other is fixedly installed on the inner chamber lateral wall of shell (1), and the end of two groups of support rod (6) close to each other is also fixedly installed with brake electromagnet (3).

3. The dust and water proof disc brake according to claim 2, wherein The outside of two groups of support rod (6) is also all provided with brake spring (7), the end of two groups of brake spring (7) close to each other is all fixedly installed on the side of brake arm (5), and the end of two groups of brake spring (7) away from each other is all fixedly installed on the inner chamber lateral wall of shell (1).

4. The dust and water resistant disc brake of claim 3 wherein, The inside of brake electromagnet (3) is all fixedly installed with connecting rod (4), the end of two groups of connecting rod (4) away from each other is all fixedly installed on the side of brake arm (5); Wherein, the side of two groups of brake arm (5) away from each other is also all fixedly installed with piston rod (13).

5. The dust and water resistant disc brake of claim 4 wherein, The end of two groups of piston rod (13) away from each other is all fixedly installed with rubber piston (17), the surface of two groups of rubber piston (17) is all sleeved with piston cylinder (10), the bottom of two groups of piston cylinder (10) is all fixedly installed on the inner chamber bottom of shell (1), and the end of two groups of piston cylinder (10) is all fixedly installed with three-way valve (15).

6. The dust and water resistant disc brake of claim 5 wherein, The surface of two groups of three-way valve (15) is all fixedly installed with connecting pipe one (11), the end of two groups of connecting pipe one (11) away from three-way valve (15) is all fixedly installed on the surface of sealing bag ring (12); Wherein, the surface of two groups of three-way valve (15) is also all fixedly installed with connecting pipe two (16), the end of two groups of connecting pipe two (16) away from three-way valve (15) is also all fixedly installed on the surface of liquid storage tank (14).

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