Electric scooter with brake zone control system

Abstract

The utility model discloses an electric scooter with a brake zone control system, which comprises a scooter body, a brake control mechanism, a front brake and a rear brake, the brake control mechanism, the front brake and the rear brake are arranged on the scooter body, and the front brake and the rear brake are both provided with wheel cylinders, brake calipers driven by the wheel cylinders and brake discs matched with the brake calipers for braking. The brake control mechanism comprises a brake main oil pump and a brake driving part, and the brake main oil pump comprises two isolated oil cavities, two pistons arranged in the two oil cavities, reset springs arranged in the two pistons and used for resetting the two pistons, and piston rods extending into the two oil cavities from the outside and connected with the two pistons. The brake driving piece is connected with the piston rod, the piston rod is fixedly connected with one piston, and the piston rod is movably connected with the other piston, so that the other piston has a section of idle stroke at the initial stage of driving one piston to move and moves along with the piston rod after the idle stroke is finished; the brake driving piece is connected with the piston rod to drive the piston rod to move. According to the double-brake control system, unified control over the front brake and the rear brake is achieved, partition delay control over the front brake and the rear brake is also achieved, and the braking distance is greatly shortened through linkage of the double brakes and time-sharing braking.

Description

Technical Field

[0001] The utility model relates to a scooter, in particular to an electric scooter with a brake zoning control system. Background Art

[0002] Electric scooters are a type of transportation that is based on traditional human-powered scooters and is equipped with an electric power kit. Current electric scooters are generally divided into two-wheel drive or single-wheel drive, and their wheels are generally equipped with brake discs and brake calipers.

[0003] At present, some scooters are provided with a foot brake to brake the rear wheel. In addition, some scooters are provided with a hand brake to brake the rear wheel, and some scooters are provided with two hand brakes to brake the front wheel and the rear wheel respectively.

[0004] The braking effect of the above-mentioned single brake is limited, and the double brake is generally controlled by two hand brakes, so that the two brakes cannot be linked. The braking distance is greatly affected by the operator's operating actions, and the braking distance is generally longer. Utility Model Content

[0005] Based on the disadvantage of the prior art that the braking distance is too long, the utility model provides an electric scooter with a brake zone control system.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] An electric scooter with a brake partition control system comprises a body and a brake driving component arranged on the body, a front brake and a rear brake, the front brake and the rear brake both having a slave cylinder, a brake caliper driven by the slave cylinder and a brake disc that cooperates with the brake caliper to stop the vehicle, the brake driving component comprises a brake master oil pump and a brake driving component, the brake master oil pump comprises two isolated oil chambers, two pistons arranged in the two oil chambers, a reset spring arranged in the two pistons for resetting the two pistons, and a piston rod extending from the outside into the two oil chambers and connected to the two pistons, the brake driving component is connected to the piston rod, the piston rod is fixedly connected to one of the pistons, and the piston rod is movably connected to the other piston so that the piston rod drives one of the pistons to move at the beginning, and the other piston has an idle stroke and moves with the piston rod after the idle stroke ends, wherein the brake driving component is connected to the piston rod to drive the piston rod to move.

[0008] Preferably, the other piston is slidingly sealed and connected to the piston rod, and the piston rod is provided with a limit structure for limiting the sliding stroke of the other piston; or the other piston is provided with a connecting column, the connecting column has a sliding cavity, a sliding nut is provided in the sliding cavity, and the end of the piston rod extends into the sliding cavity and is threadedly connected to the sliding nut.

[0009] Preferably, the limiting structure comprises two spaced-apart annular limiting platforms arranged on the piston rod.

[0010] Preferably, the annular limit platform is fixedly connected to the piston rod, or the annular limit platform is threadedly connected to the piston rod.

[0011] Preferably, the brake drive member is a brake.

[0012] Preferably, the brake has a brake line connected to the outer end of the piston rod, and the brake line pulls the piston rod to press the brake oil into the wheel cylinder.

[0013] Preferably, the brake driving member is a foot brake, and the foot pedal pushes the piston rod to press the brake oil into the slave cylinder.

[0014] Preferably, the wheel cylinder has an inner cavity and a sliding seal is provided in the inner cavity with two groups of brake plungers extending out of the wheel cylinder, two brake calipers are fixed on the two groups of brake plungers, and the brake disc is located between the two brake calipers.

[0015] Preferably, the vehicle body includes a pedal assembly, a steering assembly rotatably arranged in front of the pedal assembly, and a rear wheel assembly arranged behind the pedal assembly. A front wheel assembly is provided at the bottom of the steering assembly, and both the front wheel assembly and the rear wheel assembly include a wheel axle with a brake disc.

[0016] Preferably, the master brake oil pump is arranged at the pedal assembly, and the two slave pumps are arranged at the front wheel assembly and the rear wheel assembly respectively.

[0017] Compared with the prior art, the advantages of the utility model are as follows: the utility model controls two pistons through a piston rod, one of which follows the movement of the piston rod, and the other follows the movement of the piston rod after a delay. The structure drives the front brake and the rear brake through a brake driving action, realizes the zoned linkage braking of the front and rear wheels, and greatly reduces the braking distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 The schematic diagram of the overall structure of the brake is shown in FIG.

[0020] Figure 2 This is a cross-sectional view of the brake master oil pump (pull type);

[0021] Figure 3It is a cross-sectional view of the brake master oil pump (push type);

[0022] Figure 4 This is a cross-sectional view of the brake master oil pump (pull type);

[0023] Figure 5 It is a cross-sectional view of the brake master oil pump (push type);

[0024] In the figure: 10, brake master oil pump; 102-1, 102-2, oil chamber; 103-1, 103-2, annular limit platform; 104, piston rod; 105, 106, piston; 107, 108, return spring; 109, partition; 110, connecting column; 1101, sliding chamber; 111, sliding nut; 20, oil pipe; 301, 302, slave cylinder. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are only descriptive and exemplary and should not be construed as limiting the protection scope of the present invention.

[0026] It should be noted that like reference numerals denote similar items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0027] This embodiment mainly describes the subject of the electric scooter with a brake zone control system, as follows:

[0028] Main program :

[0029] Electric scooters with brake zone control systems, such as Figure 1-5As shown, it includes a vehicle body and a brake driving member arranged on the vehicle body, a front brake and a rear brake, the front brake and the rear brake both have a wheel cylinder 301, 302, a brake caliper driven by the wheel cylinder 301, 302 and a brake disc that cooperates with the brake caliper to brake, the brake driving member includes a brake master oil pump 10 and a brake driving member, the brake master oil pump 10 includes two isolated oil chambers 102-1, 102-2, two pistons 105, 106 arranged in the two oil chambers 102-1, 102-2, and a reset spring arranged in the two pistons 105, 106 to reset the two pistons 105, 106. Springs 107, 108 and a piston rod 104 extending from the outside into the two oil chambers 102-1, 102-2 and connected to the two pistons 105, 106, a brake driving member connected to the piston rod 104, the piston rod 104 is fixedly connected to one of the pistons 105, and the piston rod 104 is movably connected to the other piston 106 so that the piston rod 104 drives one of the pistons 105 to move. At the beginning, the other piston 106 has an idle stroke and follows the piston rod 104 after the idle stroke ends. The brake driving member is connected to the piston rod 104 to drive the piston rod 104 to move. The present application controls two pistons 105 and 106 through a piston rod 104, one of which moves with the piston rod 104, and the other moves with the piston rod 104 after a delay. This structure drives the front brake and the rear brake through a brake driving action, realizing the front wheel and the rear wheel zone linkage braking, which greatly reduces the braking distance. Specifically, the rear brake acts first, and the front brake acts later, which can avoid the situation of turning over on the downhill section. In addition, the piston rod 104 and the piston 106 that needs to be movable and the partition 109 are all slidably sealed by setting multiple sealing ring structures. In addition, it should be noted that one or two reset springs 107 and 108 can be set as needed. When one is set, it is used to provide reset elastic force to the piston 105, and when two are set, they provide reset elastic force to the pistons 105 and 106 respectively.

[0030] Piston movable connection structure :

[0031] like Figure 2-4 As shown, there are two solutions for push-type and pull-type structures respectively.

[0032] Solution 1: Another piston 1106 is slidably and sealingly connected to the piston rod 104, and a limiting structure for limiting the sliding stroke of the other piston 106 is provided on the piston rod 104;

[0033] The second solution: a connecting column 110 is provided on the other piston 106 . The connecting column 110 has a sliding cavity 1101 . A sliding nut 111 is provided in the sliding cavity 1101 . The end of the piston rod 104 extends into the sliding cavity 1101 and is threadedly connected to the sliding nut 111 .

[0034] Preferably, the limiting structure comprises two spaced annular limiting platforms 103 - 1 and 103 - 2 arranged on the piston rod 104 . The present solution provides two sliding structures to realize the time delay effect of the other piston 106 .

[0035] Preferably, the annular stoppers 103-1, 103-2 are fixedly connected to the piston rod 104, or the annular stoppers 103-1, 103-2 are threadedly connected to the piston rod 104. This solution can adjust the distance between the two annular stoppers 103-1, 103-2 to control the delay time of the other piston 106.

[0036] Brake structure:

[0037] Brake actuator :

[0038] like Figure 3 and 4 As shown, the brake driving member is a brake brake. The brake brake is arranged on the steering assembly of the scooter body. Specifically, the brake brake has a brake line connected to the outer end of the piston rod 104, and the brake line pulls the piston rod 104 to press the brake oil into the wheel cylinders 301, 302. This scheme is a pulling structure, and the installation positions of the two pistons 106 and the oil pipe 20 are adaptively adjusted according to the movement direction of the piston 106.

[0039] like Figure 2 and 5 As shown, the brake driving member is a pedal brake, and the pedal part pushes the piston rod 104 to press the brake oil into the cylinders 301, 302. This scheme is a pedal type structure, and the installation positions of the two pistons 105, 106 and the oil pipe 20 are adaptively adjusted according to the movement direction of the pistons 105, 106.

[0040] Slave pump part :

[0041] The wheel cylinders 301, 302 have inner cavities, and two groups of brake plungers extending out of the wheel cylinders 301, 302 are provided in a sliding seal in the inner cavities. Two brake calipers are fixed on the two groups of brake plungers, and the brake disc is located between the two brake calipers.

[0042] Body :

[0043] Preferably, the vehicle body includes a pedal assembly, a steering assembly rotatably arranged in front of the pedal assembly, and a rear wheel assembly arranged behind the pedal assembly. A front wheel assembly is provided at the bottom of the steering assembly, and both the front wheel assembly and the rear wheel assembly include a wheel axle with a brake disc.

[0044] Preferably, the brake master oil pump 10 is arranged at the pedal assembly, and the two slave cylinders 301, 302 are arranged at the front wheel assembly and the rear wheel assembly respectively.

[0045] The above is a detailed introduction to the titles provided by the utility model. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An electric scooter with a brake zone control system, comprising a body and a brake driving part arranged on the body, a front brake and a rear brake, wherein the front brake and the rear brake both have a wheel cylinder, a brake caliper driven by the wheel cylinder, and a brake disc that cooperates with the brake caliper to stop the vehicle, characterized in that: The brake drive component includes a brake master oil pump and a brake drive component. The brake master oil pump includes two isolated oil chambers, two pistons arranged in the two oil chambers, reset springs arranged in the two pistons for resetting the two pistons, and a piston rod extending from the outside into the two oil chambers and connected to the two pistons. The brake drive component is connected to the piston rod, the piston rod is fixedly connected to one of the pistons, and the piston rod is movably connected to the other piston so that the piston rod drives one of the pistons to move. At the beginning, the other piston has an idle stroke and follows the piston rod after the idle stroke ends. The brake drive component is connected to the piston rod to drive the piston rod to move.

2. The electric scooter with a brake zone control system according to claim 1, characterized in that: Another piston is slidingly sealed and connected to the piston rod, and the piston rod is provided with a limit structure for limiting the sliding stroke of the other piston; or a connecting column is provided on the other piston, and the connecting column has a sliding cavity, and a sliding nut is provided in the sliding cavity, and the end of the piston rod extends into the sliding cavity and is threadedly connected to the sliding nut.

3. The electric scooter with a brake zone control system according to claim 2, characterized in that: The limiting structure comprises two spaced annular limiting platforms arranged on the piston rod.

4. The electric scooter with a brake zone control system according to claim 3, characterized in that: The annular limit table is fixedly connected to the piston rod, or the annular limit table is threadedly connected to the piston rod.

5. The electric scooter with a brake zone control system according to claim 1 or 2, characterized in that: The brake actuating element is a brake.

6. The electric scooter with a brake zone control system according to claim 1, characterized in that: The brake has a brake line connected to the outer end of a piston rod, and the brake line pulls the piston rod to press the brake oil into the wheel cylinder.

7. The electric scooter with a brake zone control system according to claim 1 or 2, characterized in that: The brake drive is a foot brake, and the foot pedal pushes the piston rod to press the brake oil into the wheel cylinder.

8. The electric scooter with a brake zone control system according to claim 1, characterized in that: The wheel cylinder has an inner cavity, and a sliding seal is provided in the inner cavity with two groups of brake plungers extending out of the wheel cylinder. Two brake calipers are fixed on the two groups of brake plungers, and a brake disc is located between the two brake calipers.

9. The electric scooter with a brake zone control system according to claim 1, characterized in that: The vehicle body includes a pedal assembly, a steering assembly rotatably arranged in front of the pedal assembly, and a rear wheel assembly arranged behind the pedal assembly. A front wheel assembly is arranged at the bottom of the steering assembly. Both the front wheel assembly and the rear wheel assembly include axles with brake discs.

10. The electric scooter with a brake zone control system according to claim 9, characterized in that: The master brake oil pump is arranged at the pedal assembly, and the two slave pumps are arranged at the front wheel assembly and the rear wheel assembly respectively.

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