Pull rod type tricycle brake structure

Abstract

The utility model relates to the field of brake devices, and discloses a pull rod type tricycle brake structure which comprises a frame, a fixing rod is fixedly connected to the front side of the bottom end of the frame, a third mounting frame is fixedly connected to one side of the front end of the fixing rod, a pull rod is rotationally connected to the side wall of the third mounting frame, and a fixing block is fixedly connected to one end of the pull rod. A first mounting frame is fixedly connected to the rear side of the bottom end of the frame, a driving module is fixedly connected to the inner side wall of the first mounting frame, advancing wheels are rotationally connected to the two sides of the first mounting frame respectively, a second mounting frame is fixedly connected to the rear side of the middle of the bottom end of the frame, and a rotating shaft is rotationally connected to the inner side wall of the second mounting frame. According to the pull rod type tricycle brake structure, the frame is arranged, the first connecting rod is used for driving the rotating shaft to rotate, braking can be more labor-saving, and the second connecting block is arranged on the side wall of the rotating shaft, so that the stability of the device in the using process is improved.

Description

Technical Field

[0001] This utility model relates to the field of braking devices, and in particular to a lever-type tricycle brake structure. Background Technology

[0002] Tricycles are a widely used mode of transportation in both urban and rural areas, serving both passenger and cargo purposes. In cities, the elderly often use them as mobility scooters, while in rural areas, they are commonly used to transport crops or feed.

[0003] While existing technologies use brakes to brake the tricycle while it is in motion, the use of hydraulic hoses for braking can lead to hose rupture after prolonged use, posing a significant safety hazard. Therefore, those skilled in the art have provided a lever-type tricycle brake structure to solve the problems mentioned in the background. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a lever-type tricycle brake structure. It provides a lever-type tricycle brake structure that makes braking easier by setting a frame and using a first connecting rod to drive the rotating shaft. The structure also improves the stability of the device during use by setting a second connecting block on the side wall of the rotating shaft.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a lever-type tricycle brake structure, comprising a frame, a fixing rod fixedly connected to the front side of the bottom end of the frame, a third mounting bracket fixedly connected to one side of the front end of the fixing rod, a pull rod rotatably connected to the side wall of the third mounting bracket, a fixing block fixedly connected to one end of the pull rod, a first mounting bracket fixedly connected to the rear side of the bottom end of the frame, a drive module fixedly connected to the inner side wall of the first mounting bracket, forward wheels rotatably connected to both sides of the first mounting bracket, and a fixed connection to the rear side of the middle of the bottom end of the frame. There is a second mounting bracket, and a rotating shaft is rotatably connected to the inner side wall of the second mounting bracket. A first connecting block is fixedly connected to one side of the rotating shaft side wall, a second connecting block is fixedly connected to the middle of the rotating shaft side wall, and a third connecting block is fixedly connected to the other side of the rotating shaft side wall. A second connecting rod is rotatably connected to the other end of the third connecting block. A hydraulic cylinder is fixedly connected to the rear side of the middle of the other side of the inner side wall of the frame. A first connecting rod is rotatably connected to the bottom end of the first connecting block. A first spring is fixedly connected to the middle of the rear end of the second connecting block. A second spring is fixedly connected to the front end of the fixed block.

[0006] The above technical solution involves setting up a frame with a fixed rod at the bottom and a pull rod rotatably mounted at the front end of the fixed rod. When braking, the pull rod can be stepped on, which in turn pulls the first connecting rod via the fixed block, causing the rotating shaft to rotate. This allows the third connecting block to drive the hydraulic cylinder, thus braking the tricycle. Using the first connecting rod to drive the brake avoids brake failure caused by oil leaks in the hydraulic lines, greatly improving the safety of the tricycle while driving. Furthermore, using the first connecting rod to drive the rotating shaft makes braking more effortless.

[0007] Furthermore, the other end of the first connecting rod is rotatably connected to the side wall of the fixed block;

[0008] The above technical solution effectively drives the fixed block to move.

[0009] Furthermore, the other end of the second spring is fixedly connected to the front side of the inner wall of the frame;

[0010] The above technical solution enables the pull rod to be quickly reset.

[0011] Furthermore, the other end of the first spring is fixedly connected to the rear side of the middle of the bottom end of the frame;

[0012] The above technical solution enables the rotating shaft to reset quickly.

[0013] Furthermore, the other end of the second connecting rod is rotatably connected to the movable end of the hydraulic cylinder;

[0014] The above technical solution effectively drives the hydraulic cylinder to work.

[0015] Furthermore, the hydraulic cylinder is connected to the drive module;

[0016] The above technical solution is used to brake the tricycle.

[0017] Furthermore, the output end of the drive module passes through both sides of the inner wall of the first mounting bracket and is fixedly connected to the middle of the two forward wheels;

[0018] The above technical solution drives the two forward wheels to rotate.

[0019] Furthermore, an oil injection hole is provided at the top of the cylinder;

[0020] The above technical solution facilitates the injection of oil into the oil cylinder.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, a frame is set up, a fixed rod is set at the bottom of the frame, and a pull rod is rotatably set at the front end of the fixed rod. When braking, the pull rod can be stepped on, and under the action of the pull rod, the first connecting rod can be pulled by the fixed block, thereby driving the rotating shaft to rotate, so that the third connecting block can push the hydraulic cylinder to work, thereby realizing the braking of the tricycle. Using the first connecting rod to drive the brake can avoid brake failure caused by oil leakage from the oil pipe, greatly improving the safety of the tricycle when driving. Furthermore, using the first connecting rod to drive the rotating shaft to rotate can make braking more effortless.

[0023] 2. In this utility model, by providing a second connecting block on the side wall of the rotating shaft, the device can be better reset after braking, thereby improving the stability of the device during use.

[0024] 3. In this utility model, by providing an oil cylinder on the inner side wall of the frame and opening an oil filling hole at the top of the oil cylinder, the oil cylinder is conveniently filled with oil, reducing the workload of the workers. Attached Figure Description

[0025] Figure 1 This is a perspective view of a lever-type tricycle brake structure proposed in this utility model;

[0026] Figure 2 Another perspective view of a lever-type tricycle brake structure proposed in this utility model;

[0027] Figure 3 This is a side view of a lever-type tricycle brake structure proposed in this utility model;

[0028] Figure 4 This is a bottom view of a lever-type tricycle brake structure proposed in this utility model.

[0029] Legend:

[0030] 1. Frame; 2. Tie rod; 3. Fixing block; 4. Fixing rod; 5. First connecting rod; 6. Forward wheel; 7. First mounting bracket; 8. Drive module; 9. Second mounting bracket; 10. First spring; 11. Shaft; 12. First connecting block; 13. Second connecting block; 14. Third connecting block; 15. Second spring; 16. Third mounting bracket; 17. Hydraulic cylinder; 18. Second connecting rod. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1-4 This utility model provides an embodiment of a lever-type tricycle brake structure, including a frame 1. A fixing rod 4 is fixedly connected to the front side of the bottom of the frame 1. A third mounting bracket 16 is fixedly connected to one side of the front end of the fixing rod 4. A pull rod 2 is rotatably connected to the side wall of the third mounting bracket 16. A fixing block 3 is fixedly connected to one end of the pull rod 2. A first mounting bracket 7 is fixedly connected to the rear side of the bottom of the frame 1. A drive module 8 is fixedly connected to the inner side wall of the first mounting bracket 7. Forward wheels 6 are rotatably connected to both sides of the first mounting bracket 7. A second mounting bracket 9 is fixedly connected to the rear side of the middle of the bottom of the frame 1. A rotating shaft 11 is rotatably connected to the inner side wall of the second mounting bracket 9. A first connecting block 12 is fixedly connected to one side wall of the rotating shaft 11. A second connecting block 13 is fixedly connected to the middle of the side wall of the rotating shaft 11. A third connecting block 14 is fixedly connected to the other side wall of the rotating shaft 11. A second connecting rod 18 is rotatably connected to the other end of the third connecting block 14. A hydraulic cylinder 17 is fixedly connected to the rear side of the middle of the inner wall of the frame 1. A first connecting rod 5 is rotatably connected to the bottom end of the first connecting block 12. A first spring 10 is fixedly connected to the middle of the rear end of the second connecting block 13. A second spring 15 is fixedly connected to the front end of the fixing block 3. By setting the frame 1, a fixing rod 4 is set at the bottom end of the frame 1, and a pull rod 2 is rotatably set at the front end of the fixing rod 4. When braking, the pull rod 2 can be stepped on. Under the action of the pull rod 2, the first connecting rod 5 can be pulled by the fixing block 3, thereby driving the rotating shaft 11 to rotate. This allows the third connecting block 14 to push the hydraulic cylinder 17 to work, thereby realizing the braking of the tricycle. Using the first connecting rod 5 to drive the brake can avoid brake failure caused by oil leakage in the oil pipe, greatly improving the safety of the tricycle when driving. Furthermore, using the first connecting rod 5 to drive the rotating shaft 11 to rotate can make braking more effortless.

[0033] The other end of the first connecting rod 5 is rotatably connected to the side wall of the fixed block 3. The other end of the second spring 15 is fixedly connected to the front side of the inner side wall of the frame 1. The other end of the first spring 10 is fixedly connected to the rear side of the bottom middle of the frame 1. The other end of the second connecting rod 18 is rotatably connected to the movable end of the oil cylinder 17. The oil cylinder 17 is connected to the drive module 8. The output end of the drive module 8 passes through both sides of the inner side wall of the first mounting bracket 7 and is fixedly connected to the middle of the two forward wheels 6. An oil injection hole is opened at the top of the oil cylinder 17. By setting the second connecting block 13 on the side wall of the rotating shaft 11, the device can be better reset after braking, which improves the stability of the device during use.

[0034] Working principle: A frame 1 is set up, with a fixed rod 4 at the bottom of the frame 1 and a pull rod 2 rotatably set at the front end of the fixed rod 4. When braking, the pull rod 2 can be stepped on, and under the action of the pull rod 2, the first connecting rod 5 can be pulled through the fixed block 3, thereby driving the rotating shaft 11 to rotate, so that the third connecting block 14 can push the hydraulic cylinder 17 to work, thereby realizing the braking of the tricycle. Using the first connecting rod 5 to drive the brake can avoid brake failure caused by oil leakage from the oil pipe, greatly improving the safety of the tricycle when driving. Furthermore, using the first connecting rod 5 to drive the rotating shaft 11 to rotate makes braking more effortless. By setting the second connecting block 13 on the side wall of the rotating shaft 11, the device can be better reset after braking, improving the stability of the device during use. By setting the hydraulic cylinder 17 on the inner side wall of the frame 1 and opening an oil filling hole at the top of the hydraulic cylinder 17, it provides convenience for adding oil to the hydraulic cylinder 17 and reduces the workload of the operator.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lever-type brake structure for a tricycle, comprising a frame (1), characterized in that: A fixing rod (4) is fixedly connected to the front side of the bottom end of the frame (1). A third mounting bracket (16) is fixedly connected to one side of the front end of the fixing rod (4). A pull rod (2) is rotatably connected to the side wall of the third mounting bracket (16). A fixing block (3) is fixedly connected to one end of the pull rod (2). A first mounting bracket (7) is fixedly connected to the rear side of the bottom end of the frame (1). A drive module (8) is fixedly connected to the inner side wall of the first mounting bracket (7). A forward wheel (6) is rotatably connected to both sides of the first mounting bracket (7). A second mounting bracket (9) is fixedly connected to the rear side of the middle of the bottom end of the frame (1). A rotating shaft (11) is rotatably connected to the inner side wall of the second mounting bracket (9). The first connecting block (12) is fixedly connected to one side of the side wall of the rotating shaft (11), the second connecting block (13) is fixedly connected to the middle of the side wall of the rotating shaft (11), the third connecting block (14) is fixedly connected to the other side of the side wall of the rotating shaft (11), the other end of the third connecting block (14) is rotatably connected to the second connecting rod (18), the oil cylinder (17) is fixedly connected to the rear side of the middle of the other side of the inner side wall of the frame (1), the bottom end of the first connecting block (12) is rotatably connected to the first connecting rod (5), the rear end of the second connecting block (13) is fixedly connected to the middle of the rear end of the second connecting block (13), and the front end of the fixing block (3) is fixedly connected to the second spring (15).

2. The lever-type tricycle brake structure according to claim 1, characterized in that: The other end of the first connecting rod (5) is rotatably connected to the side wall of the fixed block (3).

3. The lever-type tricycle brake structure according to claim 1, characterized in that: The other end of the second spring (15) is fixedly connected to the front side of the inner wall of the frame (1).

4. The lever-type tricycle brake structure according to claim 1, characterized in that: The other end of the first spring (10) is fixedly connected to the rear side of the bottom middle of the frame (1).

5. The lever-type tricycle brake structure according to claim 1, characterized in that: The other end of the second connecting rod (18) is rotatably connected to the movable end of the oil cylinder (17).

6. The lever-type tricycle brake structure according to claim 1, characterized in that: The hydraulic cylinder (17) is connected to the drive module (8).

7. The lever-type tricycle brake structure according to claim 1, characterized in that: The output end of the drive module (8) passes through both sides of the inner wall of the first mounting bracket (7) and is fixedly connected to the middle of the two forward wheels (6).

8. The lever-type tricycle brake structure according to claim 1, characterized in that: The top of the oil cylinder (17) is provided with an oil injection hole.

Images