Novel tricycle hand brake device

Abstract

The utility model discloses a novel tricycle hand brake device, which relates to the technical field of tricycles, aims to solve the technical problem that a brake cable body is easy to break, and comprises a main brake pad, a central shaft rotatably connected with an external frame is arranged at the center of the end part of the main brake pad, and a pull sheet is integrally formed on one side of the main brake pad. A pull brake piece is integrally formed on the other side of the main brake piece, movable heads are rotationally connected to the ends of the pull piece and the pull brake piece, a pull rod assembly and a pull brake assembly are arranged on the pull piece and the pull brake piece respectively, and the pull rod assembly and the pull brake assembly adopt hard structures to replace flexible wire bodies. According to the utility model, the brake pad rotates by taking the central shaft as the axis, is matched with the pull rod and the pull brake rod which are of hard structures, and is combined with adjustable threaded connection, so that wire breakage can be avoided, the service life is prolonged, and meanwhile, the brake device also has the advantage that the brake tightness is convenient to adjust.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tricycle technical field, more specifically, relate to a novel tricycle handbrake device. BACKGROUND

[0002] Tricycle is the vehicle that possesses three wheels.Usually by frame, wheel, saddle, handlebar (for controlling direction), drive system (such as human-powered footboard, electric drive motor or fuel-driven engine), handbrake etc. composition. Among them, the existing handbrake is through the flexible line body such as tight steel wire or metal rope to realize the stop of braking, and the line body is easy to break under long time use. In view of this, we propose a novel tricycle handbrake device. SUMMARY

[0003] The utility model aims at overcoming the insufficient of prior art, adapting to the actual need, provide a novel tricycle handbrake device to solve the technical problem that the current brake line body is easy to break.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a novel tricycle handbrake device, including main brake pad, the center of main brake pad end part is provided with the central shaft that is rotatably connected with external frame, one side of main brake pad is integrally formed with the drawing piece, the other side of main brake pad is integrally formed with the pull brake piece, the end of drawing piece and pull brake piece is rotatably connected with the movable head, pull rod assembly and pull brake assembly are arranged on drawing piece and pull brake piece respectively, pull rod assembly and pull brake assembly adopt rigid structure instead of flexible line body.

[0005] Preferably, the movable head can rotate freely, and the movable head is movably connected.

[0006] Preferably, one end of the movable head penetrates the drawing piece or the pull brake piece, and the end of the movable head is provided with a pin.

[0007] Preferably, the pull rod assembly includes a pull rod, the top end of the pull rod is connected with an external traction component, the bottom end of the pull rod penetrates the movable head, an external thread is formed on the outer periphery of the bottom end of the pull rod, and a nut seat is fixed on the outer periphery of the external thread.

[0008] Preferably, the pull brake assembly includes a pull brake rod, the pull brake rod penetrates the movable head and is threadedly connected with the movable head, and one end of the pull brake rod is hingedly connected with an external wheel brake piece.

[0009] Preferably, the pull brake assembly further includes a fixed sleeve, the inner periphery of the fixed sleeve is fixed with the outer periphery of the pull brake rod, one side of the fixed sleeve is provided with a movable sleeve slidingly arranged on the outer periphery of the pull brake rod, and a spring is arranged between the movable sleeve and the fixed sleeve.

[0010] Preferably, the pull rod and the pull lever are hard rod structures

[0011] Preferably, a constraint piece is mounted outside the main brake piece, and a constraint abutting rod is abutted outside the constraint piece, and a screw thread for facilitating lifting adjustment is formed in the constraint abutting rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、 the utility model discloses a center shaft is connected with the design of the rotation of the frame and the rotation connection design of the movable head, and the elastic force of the spring is pulled to the pull rod, and the whole is rotated with the center shaft as the pivot, and the effect of the pull brake is achieved, and the pull rod and the pull lever are hard rod structures, thereby replacing the wire body that is easy to break, the service life is improved, the wire breaking problem is avoided, and the wire body of the brake is easy to break.

[0014] 2、 the utility model discloses that the pull rod is connected with the nut seat through the screw thread, and the pull lever is connected with the movable head through the screw thread, and when the nut seat is rotated, the pull stroke can be adjusted, and when the pull lever is rotated, the distance of the pull brake can be adjusted, compared with the structure of the wire body, only the corresponding components in the external knob can realize the effect of brake slackness adjustment, and the brake slackness adjustment problem is further solved. DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the utility model Figure 1 Middle pull rod assembly part;

[0017] Figure 3 It is the structural schematic diagram of the utility model Figure 1 Middle pull lever assembly part;

[0018] Figure 4 It is the exploded structural schematic diagram of the utility model pull lever assembly.

[0019] Mark number explanation in the drawing: 1, main brake piece;2, center shaft;3, pull piece;4, pull lever piece;5, movable head;6, pull rod assembly;7, pull lever assembly;8, bayonet;9, constraint piece;10, constraint abutting rod;

[0020] 601, pull rod;602, nut seat;

[0021] 701, pull lever;702, fixed sleeve;703, movable sleeve;704, spring. CONCRETE IMPLEMENTATION

[0022] As Figures 1 to 4As shown, the utility model relates to a novel tricycle hand brake device, including main brake 1, the central axis 2 of main brake 1 end part center is set up with the rotation connection of outside frame, the one side of main brake 1 integrally formed has the drawing piece 3, the other side of main brake 1 integrally formed has the pull brake piece 4, the end of drawing piece 3 and pull brake piece 4 is rotatably connected with movable head 5, movable head 5 can rotate freely, movable head 5 is swing joint, movable head 5 one end passes through drawing piece 3 or pull brake piece 4, the end of movable head 5 is passed through and is provided with the bayonet pin 8, in addition still can adopt other ways to be restrained and fixed, it just guarantees movable head 5 can rotate freely, wherein the movable head 5 on drawing piece 3 is connected and is installed with drawing rod 601, the top of drawing rod 601 is connected with external traction component, external traction component can be selected as hydraulic rod, connecting rod etc. with the component of pulling effect can, another movable head 5 is installed with pull brake rod 701, pull brake rod 701 one end is hinged with external wheel brake piece, pull brake rod 701 periphery is fixed with fixed sleeve 702, fixed sleeve 702 one side is equipped with the movable sleeve 703 of sliding arrangement in the periphery of pull brake rod 701, spring 704 is equipped between movable sleeve 703 and fixed sleeve 702, pull brake rod 701, fixed sleeve 702, movable sleeve 703 and spring 704 form a pull brake assembly 7.

[0023] It is worth introducing that the drawing rod 601 and the pull brake rod 701 are hard rod structures.

[0024] Working principle, by pulling the drawing rod 601, the whole rotates around the central axis 2, driving the drawing piece 3 to move, making the pull brake piece 4 move synchronously, which can pull the wheel brake piece to move, achieving braking, and because the drawing rod 601 and the pull brake rod 701 are hard materials, they replace the wire body, greatly avoiding the possibility of wire breakage.

[0025] Because the drawing rod 601 and the pull brake rod 701 are hard materials, in order to make the brake tension adjustment more convenient, the drawing rod 601 cooperates with the nut seat 602 to form a pull rod assembly 6, the top of the drawing rod 601 is connected with the external traction component, the bottom of the drawing rod 601 penetrates the movable head 5, the bottom of the drawing rod 601 is provided with external threads, the external threads are fixed with the nut seat 602, the pull brake rod 701 penetrates the movable head 5, and the pull brake rod 701 is threadedly connected with the movable head 5.

[0026] Working principle, by rotating the drawing rod 601, the drawing stroke can be adjusted, and by rotating the pull brake rod 701, the pull brake distance can be adjusted, and further, the brake tension can be adjusted.

[0027] It is worth introducing that the adjustment of the device only needs to rotate the drawing rod 601 and the pull brake rod 701, while the adjustment of the old wire body needs to disassemble and assemble the wire body and multiple bolts at the bottom of the frame, so the device greatly improves the convenience of adjustment.

[0028] In addition, in order to ensure the stable stop of the device, a constraint piece 9 is arranged outside the main brake piece 1, the outer periphery of the constraint piece 9 is pressed against a constraint pressing rod 10, the outer periphery of the constraint pressing rod 10 is provided with a screw thread for facilitating lifting adjustment, the outer periphery of the screw thread is threadedly connected with a plate body fixed on a vehicle frame, and thus the height can be adjusted by rotating the constraint pressing rod 10, that is, the position of the constraint piece 9 pressed against the constraint pressing rod 10 can be adjusted, and the stability of the device in operation is improved.

[0029] The embodiment of the utility model discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the person, easily understands the spirit of the utility model according to the above-mentioned embodiment, and makes different extension and change, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A new hand brake device for a three-wheeled vehicle, characterized in that, Including main brake pad (1), the center of the end of main brake pad (1) is provided with central shaft (2) connected with external frame rotation, one side of main brake pad (1) is integrally formed with pull tab (3), the other side of main brake pad (1) is integrally formed with pull brake tab (4), the end of pull tab (3) and pull brake tab (4) is rotationally connected with movable head (5), pull rod assembly (6) and pull brake assembly (7) are respectively arranged on pull tab (3) and pull brake tab (4), pull rod assembly (6) and pull brake assembly (7) are replaced by rigid structure instead of flexible wire body.

2. A new handbrake device for a three-wheeled vehicle as claimed in claim 1, wherein, The movable head (5) can rotate freely, and the movable head (5) is movably connected.

3. A new handbrake device for a tricycle as claimed in claim 2, wherein, One end of the movable head (5) penetrates the pull tab (3) or the pull brake tab (4), and the end of the movable head (5) penetrates and is provided with a bayonet (8).

4. A new handbrake device for a three-wheeler as claimed in claim 1, wherein, The pull rod assembly (6) includes a pull rod (601), the top end of the pull rod (601) is connected with an external traction component, the bottom end of the pull rod (601) penetrates the movable head (5), an external thread is formed on the outer periphery of the bottom end of the pull rod (601), and a nut seat (602) is fixedly arranged on the outer periphery of the external thread.

5. A new handbrake device for a three-wheeler as claimed in claim 4, wherein, The pull brake assembly (7) includes a pull brake rod (701), the pull brake rod (701) penetrates the movable head (5) and is threadedly connected with the movable head (5), and one end of the pull brake rod (701) is hingedly connected with an external wheel brake pad.

6. A new handbrake device for a three-wheeled vehicle as claimed in claim 5, wherein, The pull brake assembly (7) further includes a fixed sleeve (702), the inner periphery of the fixed sleeve (702) is fixedly connected with the outer periphery of the pull brake rod (701), one side of the fixed sleeve (702) is provided with a movable sleeve (703) slidably arranged on the outer periphery of the pull brake rod (701), and a spring (704) is arranged between the movable sleeve (703) and the fixed sleeve (702).

7. A new handbrake device for a tricycle as claimed in claim 6, wherein, The pull rod (601) and the pull brake rod (701) are hard rod structures.

8. A new handbrake device for a three-wheeled vehicle as claimed in claim 7, wherein, A constraint tab (9) is mounted on the outer side of the main brake pad (1), a constraint abutting rod (10) is abutted on the outer periphery of the constraint tab (9), and a thread for facilitating lifting adjustment is formed on the outer periphery of the constraint abutting rod (10).

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