A fast-response caliper disc brake

Abstract

The utility model discloses a fast-response caliper disc brake, comprising a mounting seat, a brake disc arranged in the middle of the mounting seat, a first friction block arranged at the upper right end of the brake disc, and a second friction block arranged at the upper left end of the brake disc, a second piston, the second piston being arranged in close contact with the inner wall of the right oil chamber, a connecting mechanism, the connecting mechanism is combined with the left brake column to drive the second friction block to form a telescopic structure in the middle of the mounting seat, and a left limit key, the left limit key is respectively fixedly connected to the upper and lower ends of the left brake column. The fast-response caliper disc brake can achieve a fast response during braking, shorten the reaction time during the entire braking process, and improve the stability of the first friction block and the second friction block during the telescopic movement by sliding between the right limit key and the mounting seat, and sliding between the left limit key and the mounting seat.

Description

Technical Field

[0001] The utility model relates to the technical field related to caliper disc brakes, in particular to a fast-response caliper disc brake. Background Art

[0002] Caliper disc brake refers to a braking device that uses hydraulic or pneumatic pressure with good sealing properties as a medium to generate braking torque by applying pressure. It is a type of disc brake and is used to hinder the movement or trend of the vehicle. It is an important component in the vehicle braking system.

[0003] For example, the patent authorization announcement number CN210265591U, the authorization announcement date is 2020.04.07, discloses a floating caliper disc brake, which belongs to the technical field of automobile brake system parts. The floating caliper disc brake includes a brake disc, a caliper bracket, a friction plate and a spring plate. The spring plate is fixed in the caliper bracket, and the end of the friction plate is provided with a rolling portion, and contacts the spring plate through the rolling portion. The beneficial effect of the utility model is that the floating caliper disc brake greatly reduces the drag torque of the brake and reduces the wear between the friction plate and the brake disc by converting the sliding pair between the traditional friction plate and the spring plate into a rolling pair. In addition, the overall structure is simple, the manufacturing and installation costs are low, the fuel economy of the whole vehicle is improved, and it has good economic benefits;

[0004] However, the prior art has the problem that, during the braking process, the friction brake pad on one side can only be moved to contact the brake disc for braking, so there is a certain reaction time and moving distance, and the friction pad lacks limiting measures during the movement, and the stability is poor. For example, the comparative patents listed above have this problem;

[0005] Therefore, we propose a fast-response caliper disc brake to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a fast-response caliper disc brake to solve the problem raised in the above-mentioned background technology that during the braking process, braking can only be performed by moving the friction brake block on one side to contact the brake disc, so there is a certain reaction time and moving distance, and the friction block lacks limiting measures during the movement process and has poor stability.

[0007] To achieve the above object, the utility model provides the following technical solution: a fast-response caliper disc brake, comprising a mounting seat, a brake disc arranged in the middle of the mounting seat, a first friction block arranged at the upper right end of the brake disc, and a second friction block arranged at the upper left end of the brake disc;

[0008] Also includes:

[0009] A second piston, wherein the second piston is fitted on the inner wall of the right oil chamber and forms a telescopic structure in the right oil chamber, a right brake column is fixedly connected to the left end of the second piston, and right limit keys are fixedly connected to the upper and lower ends of the right brake column;

[0010] A connecting mechanism, wherein the connecting mechanism is combined with the left brake column to drive the second friction block to form a telescopic structure in the middle of the mounting seat;

[0011] A left limit key is fixedly connected to the upper and lower ends of the left brake column respectively, and a sliding structure is formed between the left brake column and the mounting seat.

[0012] Preferably, a right oil chamber is opened inside the right end of the mounting seat, and a movable rod is slidably connected to the right end of the mounting seat.

[0013] Preferably, the movable rod is connected to the output end of the external hydraulic cylinder, and the left end of the movable rod is fixedly connected to a first piston, the first piston is arranged in close contact with the inner wall of the right oil chamber, and the movable rod drives the first piston to form a telescopic structure in the right oil chamber;

[0014] Wherein, the right oil chamber is filled with hydraulic oil.

[0015] Preferably, the first piston pushes the second piston to move in the right oil chamber through hydraulic oil, and the left end of the second piston is fitted to the first sealing ring.

[0016] Preferably, the right brake column is telescopically connected to the middle of the first sealing ring, and the right brake column and the right limit key form a sliding structure with the mounting seat, and the left end of the right brake column is fixedly connected to the first friction block.

[0017] Preferably, the connecting mechanism includes a left oil chamber opened inside the left end of the mounting seat, an oil channel opened inside the upper end of the mounting seat, a third piston disposed inside the left oil chamber and a second sealing ring fittedly arranged at the right end of the oil channel.

[0018] Preferably, the right oil chamber is connected to the left oil chamber through an oil channel, and both the oil channel and the left oil chamber are filled with hydraulic oil.

[0019] Preferably, the right end of the third piston is fixedly connected to a left brake column, and the left brake column is inserted in the middle of the second sealing ring. The left brake column drives the left limit key and the mounting seat to form a left-right sliding structure, and the right end of the left brake column is fixedly connected to a second friction block.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the fast-response caliper disc brake drives the right limit key to move through the first sealing ring, drives the first friction block to contact with the brake disc to achieve braking, and at the same time, combined with the setting of the connecting mechanism, can drive the second friction block to move to the right and contact with the first friction block, so that a fast response can be achieved during braking, shortening the reaction time during the entire braking process, and combined with the sliding between the right limit key and the mounting seat, and the sliding between the left limit key and the mounting seat, the stability of the first friction block and the second friction block during the telescopic movement is improved;

[0021] 1. A first piston, a second piston and a first piston are provided. The first piston squeezes the hydraulic oil inside the right oil chamber, so that the hydraulic oil pushes the second piston to drive the right brake column and the mounting seat to slide, and pushes the first friction block to contact the brake disc to achieve braking;

[0022] 2. A connecting mechanism is provided, which includes a left oil chamber, an oil channel, a third piston and a second sealing ring. Through the setting of the connecting mechanism, the second friction block can be driven to move to the right at the same time during the braking process, so that the second friction block contacts the brake disc, thereby shortening the reaction time of the entire braking process and responding quickly;

[0023] 3. A right limit key and a left limit key are provided. When the right brake column and the mounting seat are telescopically moved, the right limit key and the mounting seat are driven to slide. At the same time, when the left brake column and the mounting seat are telescopically moved, the left limit key and the mounting seat are driven to slide, thereby improving the stability of the first friction block and the second friction block during the braking movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the mounting seat, the right oil chamber, the left oil chamber and the oil channel of the utility model when viewed from above;

[0027] Figure 4 This is a schematic diagram of the cutaway structure of the utility model when viewed from above;

[0028] Figure 5 This is a schematic diagram of the exploded structure of the second piston, the first sealing ring, the right brake column, the right limit key and the first friction block of the utility model;

[0029] Figure 6 It is a schematic diagram of the exploded structure of the third piston, the second sealing ring, the left brake column, the left limit key and the second friction block of the utility model.

[0030] In the figure: 1. mounting seat; 2. brake disc; 3. right oil chamber; 4. movable rod; 5. first piston; 6. second piston; 7. first sealing ring; 8. right brake column; 9. right limit key; 10. first friction block; 11. connecting mechanism; 12. left oil chamber; 13. oil channel; 14. third piston; 15. second sealing ring; 16. left brake column; 17. left limit key; 18. second friction block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Please refer to the figure Figure 1-6 The utility model provides a technical solution: a fast-response caliper disc brake, including a mounting seat 1, a brake disc 2, a right oil chamber 3, a movable rod 4, a first piston 5, a second piston 6, a first sealing ring 7, a right brake column 8, a right limit key 9, a first friction block 10, a connecting mechanism 11, a left oil chamber 12, an oil channel 13, a third piston 14, a second sealing ring 15, a left brake column 16, a left limit key 17 and a second friction block 18.

[0033] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Specific embodiment 1

[0035] This embodiment is an embodiment of the braking process of the first friction pad 10 for a fast-response caliper disc brake.

[0036] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, a brake disc 2 is provided in the middle of the mounting seat 1, and the left end of the brake disc 2 is connected to the wheel, and a right oil chamber 3 is opened in the middle of the right end of the mounting seat 1, and the interior of the right oil chamber 3 is filled with hydraulic oil, and a movable rod 4 is slidably connected to the right end of the mounting seat 1, and a first piston 5 is fixedly connected to the left end of the movable rod 4, and the first piston 5 is fitted in the channel at the right end of the right oil chamber 3. At the same time, the movable rod 4 is connected to the output end of the external hydraulic cylinder. When braking is required, the movable rod 4 is pushed to slide between the mounting seat 1 by the external hydraulic cylinder, and the movable rod 4 pushes the first piston 5 to telescopically move in the right oil chamber 3. At this time, the first piston 5 pushes the hydraulic oil to flow inside the right oil chamber 3, and the hydraulic oil flows to the left to squeeze the second piston 6;

[0037] The second piston 6 is fitted with the first sealing ring 7, and the second piston 6 squeezes the first sealing ring 7, causing the first sealing ring 7 to deform accordingly. The left end of the second piston 6 is fixedly connected with a right brake column 8, and the second piston 6 pushes the right brake column 8 to extend and retract in the middle of the first sealing ring 7. At the same time, the right brake column 8 slides between the mounting seat 1, and the right brake column 8 drives the first friction block 10 to move leftward and contact with the brake disc 2, thereby generating friction with the brake disc 2 to achieve braking of the brake disc 2. Specific embodiment 2

[0039] This embodiment is an embodiment of the braking process of the second friction pad 18 for a fast-response caliper disc brake.

[0040] like Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, through the setting of the connecting mechanism 11, the connecting mechanism 11 includes a left oil chamber 12 opened inside the left end of the mounting seat 1, an oil channel 13 opened inside the upper end of the mounting seat 1, a third piston 14 placed inside the left oil chamber 12, and a second sealing ring 15 fitted at the right end of the oil channel 13. When the first piston 5 pushes the hydraulic oil to move in the right oil chamber 3, the right oil chamber 3 is connected to the left oil chamber 12 through the oil channel 13, and the left oil chamber 12 and the oil channel 13 are both filled with hydraulic oil. The hydraulic oil pushes the third piston 14 to move in the left oil chamber 12 through the oil channel 13 and the left oil chamber 12, and the third piston 14 squeezes the second sealing ring 15, so that the second sealing ring 15 undergoes elastic deformation;

[0041] At this time, the third piston 14 drives the left brake column 16 to extend and retract in the second sealing ring 15, and the left brake column 16 slides between the mounting seat 1, and the right end of the left brake column 16 is fixedly connected with the second friction block 18. The left brake column 16 drives the second friction block 18 to contact with the left end of the brake disc 2 to generate friction to achieve braking. Braking is achieved by the first friction block 10 and the second friction block 18 moving at the same time and contacting the brake disc 2, which greatly shortens the reaction time of the entire braking process and achieves rapid response. Specific embodiment three

[0043] This embodiment is a fast-response caliper disc brake with a first friction block 10 and a second friction block 18 that are stably retracted.

[0044] like Figure 1 As shown, the second piston 6 drives the first friction block 10 to contact the brake disc 2 through the right brake column 8 to realize the braking process. The upper and lower ends of the right brake column 8 are fixedly connected with the right limit key 9. The right brake column 8 drives the right limit key 9 to slide between the mounting seat 1, thereby improving the telescopic stability between the right brake column 8 and the mounting seat 1, thereby improving the stability of the first friction block 10 during the braking movement process. At the same time, the upper and lower ends of the left brake column 16 are fixedly connected with the left limit key 17. The left brake column 16 drives the second friction block 18 to move to realize the braking process. The left brake column 16 drives the left limit key 17 to slide between the mounting seat 1, thereby improving the stability of the second friction block 18 during the movement process;

[0045] Moreover, when braking is completed, the external hydraulic cylinder releases the squeeze on the movable rod 4, and at the same time the first sealing ring 7 and the second sealing ring 15 restore their deformation, so as to drive the second piston 6 and the third piston 14 to move in the right oil chamber 3 and the left oil chamber 12 respectively in opposite directions, and move the first friction block 10 and the second friction block 18 respectively to the end away from the brake disc 2, and disengage from the brake disc 2.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fast-response caliper disc brake, comprising a mounting seat (1), a brake disc (2) arranged in the middle of the mounting seat (1), a first friction block (10) arranged at the upper right end of the brake disc (2), and a second friction block (18) arranged at the upper left end of the brake disc (2); It is characterized in that Also includes: A second piston (6), the second piston (6) is arranged in close contact with the inner wall of the right oil chamber (3), and the second piston (6) forms a telescopic structure in the right oil chamber (3), the left end of the second piston (6) is fixedly connected to a right brake column (8), and the upper and lower ends of the right brake column (8) are fixedly connected to a right limit key (9); A connecting mechanism (11), wherein the connecting mechanism (11) is combined with a left brake column (16) to drive a second friction block (18) to form a telescopic structure in the middle of the mounting seat (1); A left limit key (17) is fixedly connected to the upper and lower ends of the left brake column (16), and a sliding structure is formed between the left brake column (16) and the mounting seat (1).

2. A fast-response caliper disc brake according to claim 1, characterized in that: A right oil chamber (3) is provided inside the right end of the mounting seat (1), and a movable rod (4) is slidably connected to the right end of the mounting seat (1).

3. A fast-response caliper disc brake according to claim 2, characterized in that: The movable rod (4) is connected to the output end of the external hydraulic cylinder, and the left end of the movable rod (4) is fixedly connected to a first piston (5), the first piston (5) is arranged in close contact with the inner wall of the right oil chamber (3), and the movable rod (4) drives the first piston (5) to form a telescopic structure in the right oil chamber (3); Wherein, the right oil chamber (3) is filled with hydraulic oil.

4. A fast-response caliper disc brake according to claim 3, characterized in that: The first piston (5) pushes the second piston (6) to move in the right oil chamber (3) through hydraulic oil, and the left end of the second piston (6) is fitted to the first sealing ring (7).

5. The fast-response caliper disc brake according to claim 1, characterized in that: The right brake column (8) is telescopically connected to the middle part of the first sealing ring (7), and the right brake column (8) and the right limit key (9) both form a sliding structure with the mounting seat (1), and the left end of the right brake column (8) is fixedly connected to the first friction block (10).

6. The fast-response caliper disc brake according to claim 1, characterized in that: The connecting mechanism (11) comprises a left oil chamber (12) opened inside the left end of the mounting seat (1), an oil channel (13) opened inside the upper end of the mounting seat (1), a third piston (14) disposed inside the left oil chamber (12), and a second sealing ring (15) fitted at the right end of the oil channel (13).

7. A fast-response caliper disc brake according to claim 6, characterized in that: The right oil chamber (3) is connected to the left oil chamber (12) through an oil channel (13), and both the oil channel (13) and the left oil chamber (12) are filled with hydraulic oil.

8. The fast-response caliper disc brake according to claim 6, characterized in that: The right end of the third piston (14) is fixedly connected to a left brake column (16), and the left brake column (16) is inserted into the middle of the second sealing ring (15). The left brake column (16) drives the left limit key (17) to form a left-right sliding structure with the mounting seat (1), and the right end of the left brake column (16) is fixedly connected to a second friction block (18).

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