Brake type combination device for rear wheel and transmission shaft of motor tricycle

Abstract

A rear wheel and transmission shaft brake type combination device of a motor tricycle is characterized in that a rear brake axle is arranged on one side above an axle of a tricycle frame body, a pair of tricycle rear wheels is arranged at two ends of the axle, and a pair of rear wheel brake devices are correspondingly arranged on the inner sides of the pair of tricycle rear wheels; a rear wheel transmission shaft is arranged between the engine and the rear axle; a transmission shaft brake device is arranged at the front end or the rear end of the rear wheel transmission shaft; according to the rear wheel and transmission shaft brake type combined device, when the transmission shaft brake device is arranged at the rear end of the rear wheel transmission shaft, the transmission shaft brake device is arranged on one side of the rear axle, and when the transmission shaft brake device is arranged at the front end of the rear wheel transmission shaft, the transmission shaft brake device is arranged on one side of the engine; when the tricycle runs on a downhill road section or emergently brakes, the rear wheel brake device and the transmission shaft brake device of the pair of rear wheels of the tricycle are used for braking at the same time, the running inertia of the tricycle and the rotating speed of an engine are reduced in time, accidents caused by invalid braking of the tricycle can be avoided, and running safety is ensured.

Description

Technical Field

[0001] The utility model relates to a brake device for a three-wheeled motorcycle, in particular to a brake combination device for a rear wheel and a transmission shaft of a three-wheeled motorcycle. Background Art

[0002] At present, tricycles for commuting and agricultural use are more common in the market. During use, brakes are often used when the tricycle is running. The safety of the tricycle is guaranteed when the tricycle is traveling on a downhill section or in an emergency. Since the brakes of a general tricycle are equipped with brake devices for the rear wheels and the front wheels, when the tricycle is traveling on a downhill section or in an emergency, the engine speed and the inertia of the tricycle offset the performance of the brakes, and the tricycle slides a long distance, and even cannot be effectively parked, resulting in the phenomenon of ineffective brakes of the tricycle occurring from time to time, and even causing frequent accidents of the tricycle. Ineffective brakes have become a problem that production enterprises have been unable to solve for a long time. In view of the above-mentioned reasons, a rear wheel and drive shaft brake combination device of a three-wheeled motorcycle is proposed. Utility Model Content

[0003] The purpose of the utility model is to overcome the problem that when a tricycle is traveling on a downhill section or in an emergency brake, the engine speed and the inertia of the tricycle are long, the sliding distance is long, the parking cannot be effectively stopped, and even frequent accidents of the tricycle are caused: through reasonable design, a rear wheel and transmission shaft brake type combination device of a three-wheeled motorcycle is provided; the rear wheel and transmission shaft brake type combination device of the utility model, the front end or rear end of the rear wheel transmission shaft is provided with a transmission shaft brake device, when the transmission shaft brake device is provided at the rear end of the rear wheel transmission shaft, the transmission shaft brake device is provided at one side of the rear axle, and when the transmission shaft brake device is provided at the front end of the rear wheel transmission shaft, the transmission shaft brake device is provided at one side of the engine; when the tricycle is traveling on a downhill section or in an emergency brake, the rear wheel brake device of a pair of rear wheels of the tricycle and the transmission shaft brake device are used to brake simultaneously, the driving inertia and engine speed of the tricycle are reduced in time, the braking performance and effective parking brake can be improved, accidents caused by invalid braking of the tricycle can be avoided, and the driving safety of the tricycle can be ensured.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rear wheel and transmission shaft brake type combined device of a three-wheeled motorcycle, which is composed of: a three-wheeled vehicle frame, a front frame, a three-wheeled vehicle rear wheel, a rear wheel brake device, a rear wheel brake rocker arm, a rear wheel brake rocker arm spring, an engine, an axle brake seat, a brake cable positioning end, a transition connection sleeve, a brake chassis, a brake pad device, an axle brake rocker arm, a brake arm, a rear brake pull rod, a rear wheel transmission shaft, a transmission shaft brake device, a transmission shaft brake cable, a rear brake shaft, a brake linkage rocker arm, and a sub-brake rocker arm; the three-wheeled vehicle frame is configured as a rectangular frame, a wheel axle is horizontally arranged at the lower rear part of the rectangular frame, a rear brake shaft is arranged at one side above the wheel axle, two groups of shock-absorbing steel plates are arranged between the two ends of the rear brake shaft and the three-wheeled vehicle frame, and the rear brake shaft is arranged in parallel with the wheel axle; a pair of sub-brake rocker arms are respectively fixedly arranged on the shaft heads at the two ends of the rear brake shaft, a brake linkage rocker arm is arranged in the middle part of the rear brake shaft, a brake pull rod end is arranged at the upper end of the brake linkage rocker arm, and a brake linkage rocker arm is arranged at the upper end of the brake linkage rocker arm. The lower end of the rocker arm is set as a brake cable end; a rear axle is set in the middle of the wheel axle, a pair of tricycle rear wheels are set at both ends of the wheel axle, and a pair of rear wheel brake devices are set correspondingly on the inner sides of the pair of tricycle rear wheels; an engine is set at the front part of the tricycle frame, a rear wheel drive shaft is set between the engine and the rear axle, a drive shaft brake device is set at the front end or rear end of the rear wheel drive shaft, and the drive shaft brake device is set at the rear end of the rear wheel drive shaft as follows: an axle brake seat is set on one side of the rear axle, and a drive shaft brake device is set at the front end of the rear wheel drive shaft as follows: an axle brake seat is set on one side of the engine; a drive shaft brake device is set on one side of the axle brake seat, and a brake pot is set on the outer side of the drive shaft brake device, and the brake pot is fixed to the rear wheel drive shaft; a brake pad device is set in the brake pot, a brake chassis is set on one side of the brake pad device, an axle brake rocker arm is set on one side of the brake chassis, a transition connection sleeve is set between the brake chassis and the axle brake seat, and a groove is reserved for the range of the transition connection sleeve corresponding to the axle brake rocker arm; the rear wheel brake device and the drive shaft brake device are set as drum brake devices or disc brake devices;

[0005] The front end of the tricycle frame is set as a front frame body, a brake arm is set on one side of the front frame body, a brake arm bracket is set between the lower end of the brake arm and the front frame body, a pin is set between the lower end of the brake arm and the brake arm bracket, the lower end of the brake arm is set as a brake active rocker arm, a rear brake rod is set between the brake active rocker arm end and the brake rod end, and pins are set between the two ends of the rear brake rod and the brake active rocker arm end and the brake rod end respectively;

[0006] A brake cable positioning end is arranged at the upper end of the axle brake seat, a transmission shaft brake cable is arranged between the brake cable positioning end and the axle brake rocker arm end, and a return spring is arranged on the outer side of the transmission shaft brake cable between the brake cable positioning end and the transmission shaft brake device; the other end of the transmission shaft brake cable is connected and arranged correspondingly to the brake cable end of the brake linkage rocker arm; a brake pot is fixedly arranged on one side of a pair of rear wheels of the tricycle, one side of the brake pot is arranged as a fixed disk, the fixed disk is fixedly arranged with the wheel axle, a brake pad device is arranged on the fixed disk, and the brake pad device is arranged in the brake pot of the rear wheel of the tricycle; rear wheel brake rocker arms are respectively arranged on one side of the fixed disk, and a brake shaft is arranged between the rear wheel brake rocker arm and the brake pad device; a linkage cable is arranged between one side of the upper end of the rear wheel brake rocker arm and the sub-brake rocker arm end on the same side, and a rear wheel brake rocker arm spring is arranged between the other side of the upper end of the rear wheel brake rocker arm and the fixed disk of the rear wheel of the tricycle.

[0007] Beneficial effects: The rear wheel and transmission shaft brake combination device of the utility model has a transmission shaft brake device arranged at the front end or the rear end of the rear wheel transmission shaft. When the transmission shaft brake device is arranged at the rear end of the rear wheel transmission shaft, the transmission shaft brake device is arranged at one side of the rear axle. When the transmission shaft brake device is arranged at the front end of the rear wheel transmission shaft, the transmission shaft brake device is arranged at one side of the engine. When the tricycle is traveling on a downhill section or in an emergency, the rear wheel brake devices of a pair of the rear wheels of the tricycle and the transmission shaft brake device are used to brake simultaneously, so as to timely reduce the driving inertia of the tricycle and the speed of the engine, thereby improving the braking performance and effective parking brake, avoiding accidents caused by ineffective braking of the tricycle, and ensuring the driving safety of the tricycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is further described below in conjunction with the accompanying drawings:

[0009] Figure 1 It is a schematic diagram of the general assembly structure;

[0010] Figure 2 yes Figure 1 Schematic diagram of brake structure;

[0011] Figure 3 yes Figure 2 Schematic diagram of the partial structure of the transmission shaft brake;

[0012] Figure 4 yes Figure 2 Schematic diagram of the partial structure of the rear brake;

[0013] Figure 1 , 2, 3, and 4: tricycle frame 1, front frame 2, tricycle rear wheel 3, rear wheel brake device 3-1, rear wheel brake rocker arm 3-2, rear wheel brake rocker arm spring 3-3, engine 4, axle brake seat 4-1, brake cable positioning end 4-1-1, transition connection sleeve 4-2, brake chassis 4-3, brake pad device 4-4, axle brake rocker arm 4-5, brake arm 5, rear brake rod 5-1, rear wheel drive shaft 6, drive shaft brake device 7, drive shaft brake cable 7-1, rear brake shaft 8, brake linkage rocker arm 8-1, sub-brake rocker arm 8-2. DETAILED DESCRIPTION

[0014] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:

[0015] The tricycle frame 1 is configured as a rectangular frame, a wheel axle is horizontally arranged at the lower rear part of the rectangular frame, a rear brake shaft 8 is arranged on one side above the wheel axle, two sets of shock-absorbing steel plates are arranged between the two ends of the rear brake shaft 8 and the tricycle frame 1, and the rear brake shaft 8 and the wheel axle are arranged in parallel; a pair of sub-brake rocker arms 8-2 are fixedly arranged on the shaft heads at both ends of the rear brake shaft 8, a brake linkage rocker arm 8-1 is arranged in the middle of the rear brake shaft 8, a brake pull rod end is arranged at the upper end of the brake linkage rocker arm 8-1, and a brake cable end is arranged at the lower end of the brake linkage rocker arm 8-1; a rear axle is arranged in the middle of the wheel axle, a pair of tricycle rear wheels 3 are arranged at both ends of the wheel axle, and a pair of rear wheel brake devices 3-1 are arranged correspondingly on the inner sides of the pair of tricycle rear wheels 3; an engine 4 is arranged at the front of the tricycle frame 1, a rear wheel drive shaft 6 is arranged between the engine 4 and the rear axle, and a front end or rear end of the rear wheel drive shaft 6 is arranged The transmission shaft brake device 7 is arranged at the rear end of the rear wheel transmission shaft 6: an axle brake seat 4-1 is arranged on one side of the rear axle, and the transmission shaft brake device 7 is arranged at the front end of the rear wheel transmission shaft 6: an axle brake seat 4-1 is arranged on one side of the engine 4; a transmission shaft brake device 7 is arranged on one side of the axle brake seat 4-1, and a brake pot is arranged on the outer side of the transmission shaft brake device 7, and the brake pot is fixedly arranged with the rear wheel transmission shaft 6; a brake pad device 4-4 is arranged in the brake pot, a brake chassis 4-3 is arranged on one side of the brake pad device 4-4, an axle brake rocker arm 4-5 is arranged on one side of the brake chassis 4-3, a transition connection sleeve 4-2 is arranged between the brake chassis 4-3 and the axle brake seat 4-1, and a groove is reserved for the range of the transition connection sleeve 4-2 corresponding to the axle brake rocker arm 4-5; the rear wheel brake device 3-1 and the transmission shaft brake device 7 are arranged as drum brake devices or disc brake devices;

[0016] The front end of the tricycle frame body 1 is set as a front frame body 2, a brake arm 5 is set on one side of the front frame body 2, a brake arm bracket is set between the lower end of the brake arm 5 and the front frame body 2, a pin is set between the lower end of the brake arm 5 and the brake arm bracket, the lower end of the brake arm 5 is set as a brake active rocker arm, a rear brake rod 5-1 is set between the brake active rocker arm end and the brake rod end, and pins are set between the two ends of the rear brake rod 5-1 and the brake active rocker arm end and the brake rod end respectively;

[0017] A brake cable positioning end 4-1-1 is provided at the upper end of the axle brake seat 4-1, a transmission shaft brake cable 7-1 is provided between the brake cable positioning end 4-1-1 and the end of the axle brake rocker arm 4-5, a return spring is provided on the outer side of the transmission shaft brake cable 7-1 between the brake cable positioning end 4-1-1 and the transmission shaft brake device 7; the other end of the transmission shaft brake cable 7-1 is connected and provided correspondingly to the brake cable end of the brake linkage rocker arm 8-1; a pair of brake pots are fixedly provided on one side of the rear wheel 3 of the tricycle, and one side of the brake pot is provided A fixed plate is fixedly arranged with the wheel axle, a brake pad device is arranged on the fixed plate, and a brake pad device is arranged in the brake pot of the rear wheel 3 of the tricycle; a rear wheel brake rocker arm 3-2 is respectively arranged on one side of the fixed plate, and a brake shaft is arranged between the rear wheel brake rocker arm 3-2 and the brake pad device; a linkage cable is arranged between one side of the upper end of the rear wheel brake rocker arm 3-2 and the end of the sub-brake rocker arm 8-2 on the same side, and a rear wheel brake rocker arm spring 3-3 is arranged between the other side of the upper end of the rear wheel brake rocker arm 3-2 and the fixed plate of the rear wheel 3 of the tricycle.

Claims

1. A rear wheel and transmission shaft brake combination device for a three-wheeled motorcycle, comprising: a three-wheeled vehicle frame (1), a front frame (2), a rear wheel of the three-wheeled vehicle (3), a rear wheel brake device (3-1), a rear wheel brake rocker arm (3-2), a rear wheel brake rocker arm spring (3-3), an engine (4), an axle brake seat (4-1), a brake cable positioning end (4-1-1), a transition sleeve (4-2), a brake chassis (4-3), a brake pad device (4-4), an axle brake rocker arm (4-5), a brake arm (5), a rear brake rod (5-1), a rear wheel transmission shaft (6), a transmission shaft brake device (7), a transmission shaft brake cable (7-1), a rear brake shaft (8), a brake linkage rocker arm (8-1), and a sub-brake rocker arm (8-2); characterized in that: The tricycle frame (1) is arranged as a rectangular frame, a wheel axle is arranged transversely at the lower rear part of the rectangular frame, a rear brake axle (8) is arranged on one side above the wheel axle, two sets of shock-absorbing steel plates are arranged between the two ends of the rear brake axle (8) and the tricycle frame (1), and the rear brake axle (8) and the wheel axle are arranged in parallel; a pair of split brake rocker arms (8-2) are fixedly arranged on the shaft heads at the two ends of the rear brake axle (8), a brake linkage rocker arm (8-1) is arranged in the middle part of the rear brake axle (8), a brake pull rod end is arranged at the upper end of the brake linkage rocker arm (8-1), and a brake cable end is arranged at the lower end of the brake linkage rocker arm (8-1); a rear axle is arranged in the middle part of the wheel axle, a pair of tricycle rear wheels (3) are arranged at the two ends of the wheel axle, and a pair of rear wheel brake devices (3-1) are arranged correspondingly on the inner sides of the pair of tricycle rear wheels (3); an engine (4) is arranged at the front part of the tricycle frame (1), a rear wheel transmission shaft (6) is arranged between the engine (4) and the rear axle, and a transmission shaft brake is arranged at the front end or the rear end of the rear wheel transmission shaft (6). The device (7) comprises a transmission shaft brake device (7) arranged at the rear end of the rear wheel transmission shaft (6): an axle brake seat (4-1) is arranged on one side of the rear axle, and a transmission shaft brake device (7) is arranged at the front end of the rear wheel transmission shaft (6): an axle brake seat (4-1) is arranged on one side of the engine (4); a transmission shaft brake device (7) is arranged on one side of the axle brake seat (4-1), a brake pot is arranged on the outer side of the transmission shaft brake device (7), and the brake pot is fixedly arranged with the rear wheel transmission shaft (6); a brake pad device (4-4) is arranged in the brake pot, a brake disc (4-3) is arranged on one side of the brake pad device (4-4), an axle brake rocker arm (4-5) is arranged on one side of the brake disc (4-3), a transition connection sleeve (4-2) is arranged between the brake disc (4-3) and the axle brake seat (4-1), and a range reserved groove of the transition connection sleeve (4-2) corresponding to the axle brake rocker arm (4-5); the rear wheel brake device (3-1) and the transmission shaft brake device (7) are arranged as drum brake devices or disc brake devices.

2. The rear wheel and transmission shaft brake combination device of a three-wheeled motorcycle according to claim 1, characterized in that: The front end of the tricycle frame (1) is provided as a front frame (2), a brake arm (5) is provided on one side of the front frame (2), a brake arm bracket is provided between the lower end of the brake arm (5) and the front frame (2), a pin is provided between the lower end of the brake arm (5) and the brake arm bracket, the lower end of the brake arm (5) is provided as a brake active rocker arm, a rear brake pull rod (5-1) is provided between the end of the brake active rocker arm and the end of the brake pull rod, and pins are provided between the two ends of the rear brake pull rod (5-1) and the end of the brake active rocker arm and the end of the brake pull rod, respectively.

3. The rear wheel and transmission shaft brake combination device of a three-wheeled motorcycle according to claim 1, characterized in that: A brake cable positioning end (4-1-1) is provided at the upper end of the axle brake seat (4-1), a transmission shaft brake cable (7-1) is provided between the brake cable positioning end (4-1-1) and the end of the axle brake rocker arm (4-5), and a return spring is provided on the outer side of the transmission shaft brake cable (7-1) between the brake cable positioning end (4-1-1) and the transmission shaft brake device (7); the other end of the transmission shaft brake cable (7-1) is connected and provided correspondingly to the brake cable end of the brake linkage rocker arm (8-1); a pair of brake pots are fixedly provided on one side of the rear wheels (3) of the tricycle, and one side of the brake pots The invention is provided with a fixed disk, the fixed disk is fixedly arranged with the wheel axle, a brake pad device is arranged on the fixed disk, and the brake pad device is arranged in the brake pot of the rear wheel (3) of the tricycle; a rear wheel brake rocker arm (3-2) is respectively arranged on one side of the fixed disk, and a brake shaft is arranged between the rear wheel brake rocker arm (3-2) and the brake pad device; a linkage cable is arranged between one side of the upper end of the rear wheel brake rocker arm (3-2) and the end of the sub-brake rocker arm (8-2) on the same side, and a rear wheel brake rocker arm spring (3-3) is arranged between the other side of the upper end of the rear wheel brake rocker arm (3-2) and the fixed disk of the rear wheel (3) of the tricycle.

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