CN204415627U - A kind of tricycle electric bicycle of Portable folding telescopic - Google Patents

Abstract

The utility model relates to a portable, foldable and telescopic three-wheeled electric bicycle. The bicycle includes a frame main body, a front fork assembly and a rear wheel bracket. The rear wheel bracket is provided with two rear wheels side by side, and also includes a The front drive wheel on the front drive wheel, the hub motor set on the rim of the front drive wheel, and the seat set on the frame body. The body consists of a pair of parallel front frame and rear frame, one end of the front frame is hinged to the front fork assembly, the other end is connected to the rear frame in a horizontal telescopic manner, and the rear frame is connected to the rear wheel bracket through a support beam , the front drive wheel is rotatably fitted in the vehicle body through the front fork assembly. Compared with the prior art, the utility model has the advantages of simple structure and good practicability. The whole vehicle can be folded and has a smaller volume.

Description

A portable, foldable and telescopic three-wheel electric bicycle

technical field

The utility model belongs to the technical field of electric bicycles, and relates to a three-wheel electric bicycle, in particular to a portable, foldable and telescopic three-wheel electric bicycle.

Background technique

At present, the population of major cities is on the rise, the urban traffic problem is intensified, and the central urban area is densely populated. Although the public transportation is developed, the number of cars is high. During the commuting peak period, traffic jams will inevitably occur and travel is inconvenient. In the suburbs of the city, the population is relatively sparse, and public transportation is beyond reach, which cannot meet the needs of everyone. According to consultation and surveys, the main commuting mode of the urban population is public transportation, but the bus station and subway station are often far away from the residence. For people living within 5 to 10km from public transport platforms, traffic problems within this distance are difficult to solve and often cause social problems. For example, the black problem that is currently well known to the public is one of them. There are many electric bicycles on the market now, which can be chosen by people, but they can be easily carried so far, and there are very few portable electric bicycles for taking public transportation, and they cannot satisfy the aesthetics and preferences of modern urbanites in terms of shape and structure.

Patent CN104058043A introduces a solar electric bicycle, the left side of the front wheel rim is fixed with a disc-shaped front left solar panel, and the right side of the front wheel rim is fixed with a disc-shaped front right solar panel , the left side of the rear wheel rim is fixed with a disc-shaped rear left solar panel, and the right side of the rear wheel rim is fixed with a disc-shaped rear right solar panel; the rear wheel rim is connected with the motor drive, The motor is installed in the middle of the rear wheel rim, and the motor is connected to the battery through the electrical control system. The purpose is to provide a solar panel with a large lighting area, high conversion efficiency of solar energy, energy saving for the rider, fast driving speed, and environmental protection. solar electric bike.

Patent CN104058043A has introduced a kind of novel electric bicycle, and it relates to the electric bicycle field. It includes a seat, a front wheel, a driving device, a touch-operated display screen, a detachable battery, a frame, an armrest, a rear wheel and a pedal. The armrest is arranged above the frame, and the front wheel is connected to the bottom of the frame through a rotating shaft. A vehicle seat is arranged on the crossbar of the frame, and a foot pedal is arranged on the vehicle frame through a fixed plate connection, and the rear ends of the foot pedal are respectively connected with the two ends of the rotating shaft of the rear wheel, and a detachable battery is arranged under the foot pedal. A solar receiving layer is set on the board, and a touch-operated display screen is set on the armrest. The triangular frame design and two rear wheels enhance stability, passability and wind resistance.

Patent CN104058037A introduces an electric bicycle with an umbrella, including a car body, a storage tube is installed on the car body, a folding rod and an umbrella mounted on the folding rod are arranged in the storage tube, and the folding rod includes a plurality of folding rod units. The ends of the two adjacent folding rod units are hinged by pin shafts, on which fastening nuts are installed, positioning holes are arranged on the folding rod units, and positioning pins matching the positioning holes are installed on the receiving tube. The umbrella on the vehicle body can protect the rider from rain and sun in rainy weather or hot sunshine, making the bicycle more convenient to use.

Patent CN104097455A introduces a rim and tire integrated hub and bicycles, electric bicycles and electric unicycles using the hub. For a pneumatic tire, the two edges of the rim are limited by two cover plates, the tire is formed on the rim by injection molding, and the spokes on the rim are integrally formed with the rim. The improvement of the wheel hub of the invention makes it optimized in aspects such as mechanics, structure, performance, weight, cost, etc., and is embodied in applied bicycles, electric bicycles or electric unicycles.

Patent CN104015852A introduces a hidden electric bicycle with folding transmission of connecting rods, including body, front head tube, front fork, V-shaped folding handle, front wheel, rear wheel, seat linkage mechanism, human-powered drive mechanism and electric drive system, The body includes front beam tube, front folding leaf, rear folding leaf, main beam tube and rear fork, front beam tube is welded with front head tube and front folding leaf, main beam tube is welded with rear folding leaf, rear fork and folding seat, rear fork The rear wheel is installed, the front fork is connected with the front head pipe, the front fork is installed with the front wheel, the V-shaped folding handle is connected with the front fork, and the seat linkage mechanism is a saddle, a cylindrical piece, a connecting piece, a sliding column, a lock twist, and a spring , folding seat, connecting rod seat, connecting rod and folding hook are all connected to the seat tube. The human driving mechanism includes the center shaft, the front stage large sprocket, the crank, the pedal, the auxiliary shaft, the front stage small sprocket, the flywheel, the rear stage The small sprocket, the front chain and the rear chain, the human drive mechanism are connected to the body and the rear wheel, the hub motor is arranged on the front wheel, and the battery and the controller are placed in the body.

Patent CN104002908A has introduced a kind of vehicle frame that can be folded back and forth and manufactured bicycle and electric bicycle, a kind of vehicle frame that can be folded back and forth, comprises vehicle frame main body and front and rear fork assembly, and vehicle frame main body includes front beam, rear beam, The seat sleeve and the front fork riser are connected by hinges between the front and rear beams. The front end of the front beam is hinged with the side wall of the front fork riser through a hinge. The handlebar and the lower end of the steering rod pass through the front fork standpipe and connect with the front fork assembly. The rear beam is hinged upwards with the lower end of the seat sleeve through a hinge. The seat sleeve is equipped with a seat support tube, and the upper end of the seat support tube The seat is equipped with; the folding bicycle also includes a folding crank mechanism, the folding crank mechanism is connected to the crankshaft, the rear fork is connected to the rear axle, and the rear axle is provided with a driven gear, and the crankshaft and the driven gear are connected through a chain; the folding bicycle includes The battery and the controller, the rear wheel is connected to the rear fork through the motor shaft, and the motor is connected to the battery and the controller. After the invention is folded, it not only has a compact structure, reduces the occupied space, but also saves labor and is more convenient to carry.

Patent CN203876907U has introduced a kind of vehicle frame that electric bicycle is used, comprises vehicle frame main body assembly, saddle assembly, flat fork assembly, motor wheel mounting assembly, battery fixing assembly, shock absorbing assembly. The flat fork assembly includes the front flat fork tube, the rear side flat fork tube, the flat fork connecting tube and the flat fork hanging lug. The structure of the front side flat fork tube and the rear side flat fork tube is the same, and they are symmetrically arranged on the vertical plane where the axes of the girder tube and the head tube are located. The flat fork hanging lug is welded and fixed on the right end of the beam pipe. The front side flat fork pipe is rotatably connected on the front side of the flat fork hanging lug by its left end. The rear flat fork pipe is rotatably connected to the rear side of the flat fork hanging lug by its left end. The flat fork connecting pipe is welded and fixed between the front side flat fork pipe and the left part of the rear side flat fork pipe. After adopting the split design, higher strength and thicker pipes can be used to make the front side flat fork tube and the rear side flat fork tube, which greatly improves the strength of the flat fork assembly, has strong bearing capacity and good reliability.

Contents of the invention

The purpose of this utility model is to provide a portable foldable telescopic three-wheeled electric bicycle with simple structure, good practicability, and telescopic adjustment that can be adapted to people of different heights in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A portable, foldable and telescopic three-wheeled electric bicycle, the bicycle includes a frame main body, a front fork assembly and a rear wheel bracket, the rear wheel bracket is provided with two rear wheels side by side, and also includes a front drive unit arranged on the front fork assembly wheel, the hub motor arranged on the rim of the front driving wheel, and the seat arranged on the main body of the frame. The seat is foldably arranged on the main body of the frame through the support beam. Body, which includes a pair of parallel front frame and rear frame, one end of the front frame is hinged to the front fork assembly, and the other end is connected to the rear frame in a transverse telescopic manner, and the rear frame is connected through a support beam Connected with the rear wheel bracket, the front drive wheel is rotatably fitted in the vehicle body through the front fork assembly.

The head of the rear frame is provided with a sleeve, one end of the front frame is inserted into the sleeve, and is connected to the rear frame through the sleeve in a transverse telescopic manner, and the tail of the rear frame is provided with a support beam , and connected with the rear wheel bracket through the support beam.

The front fork assembly includes a front fork, a front fork sleeve, a steering rod and a handlebar arranged on the top of the steering rod, the top of the front fork is provided with a front fork sleeve, and the steering rod can be inserted up and down It is arranged in the front fork sleeve and is fixedly connected with the front fork through the front fork sleeve. The front driving wheel is arranged on the front fork through the first rotating shaft.

The front fork sleeve is hinged to the front frame through the first hinge seat, and the front fork uses the first hinge seat as a fulcrum to be rotatably fitted in the vehicle body.

The rear wheel support includes an outer cylinder, a shock absorber and an inner cylinder. One end of the outer cylinder is hinged to the support beam, and the other end is sleeved on the head of the inner cylinder, and is axially telescopically connected with the inner cylinder. The tail of the inner cylinder is provided with a second rotating shaft, and two rear wheels are arranged side by side on the second rotating shaft, the shock absorber is located above the outer cylinder, and one end of the shock absorber is connected to the second hinged seat The supporting beam is hinged, and the other end is fixedly connected with the inner cylinder.

The bottom of the seat is provided with a fixed frame, and is hinged to the top of the support beam through the fixed frame.

The hub motor is an outer rotor motor, and the outer rotor motor is fixed on the hub of the front driving wheel.

The front driving wheel is provided with a first disc brake, and the two rear wheels are respectively provided with a second disc brake.

The material of the vehicle body is aluminum alloy.

The handlebar is provided with a telescopic rod, which can adjust the length of the handlebar.

The overall size of the utility model is small, and can adapt to people of different heights through telescopic adjustment. The front driving wheel is driven by a hub motor. At the same time, the front driving wheel can be folded into the body, and the handlebar can be used to drag the car forward; The body is divided into two sections, which can be stretched to adjust the riding comfort of people. The rear wheel bracket is also stretchable. Through stretching, the size of the whole vehicle can be adjusted, and the softness and hardness of the shock absorber can be adjusted, which is convenient. People choose different riding experiences, and the seat is hinged with the support beam through the fixed frame, which can be stretched or folded, so that people can adjust to the best sitting posture.

The utility model has a foldable and telescopic function, which can greatly facilitate people's use, and the vehicle body made of all aluminum alloy can also greatly reduce the weight of the whole vehicle.

Compared with the prior art, the utility model has the following characteristics:

1) The front drive wheels are driven by hub motors, the structure is more compact, and can be folded and put into the body;

2) The body adopts a retractable structure, which can expand and contract according to the body shape of different people, and can also be easily carried on the subway;

3) The rear wheel bracket adopts a retractable structure, which can adjust the position of the rear wheel and the hardness of the shock absorber;

4) The two rear wheels arranged side by side are adopted, and the two rear wheels are relatively independent and will not interfere with each other, which is convenient for the car to stand alone without additional support;

5) Simple structure, good practicability, the whole vehicle can be folded, and the volume is small, after folding, it is convenient to tow or carry on the bus, with stylish appearance, convenient use, safety and reliability.

Description of drawings

Fig. 1 is the plan view when the utility model is not folded;

Fig. 2 is a structural schematic diagram of the folded utility model;

Instructions for marks in the figure:

1—Front drive wheel, 2—Hub motor, 3—First disc brake, 4—Fork, 5—Fork sleeve, 6—Steering rod, 7—Handlebar, 8—Front frame, 9—Rear car Frame, 10—outer cylinder, 11—shock absorber, 12—inner cylinder, 13—second disc brake, 14—seat, 15—support beam, 16—fixed frame, 17—first hinged seat, 18—the first Two hinged seats, 19—rear wheels.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example:

As shown in Figures 1-2, a portable foldable telescopic three-wheeled electric bicycle, the bicycle includes a vehicle frame main body, a front fork assembly and a rear wheel bracket, and the rear wheel bracket is provided with two rear wheels 19 side by side, and also includes The front driving wheel 1 arranged on the front fork assembly, the in-wheel motor 2 arranged on the rim of the front driving wheel 1 and the seat 14 arranged on the main body of the vehicle frame, the seat 14 is foldably arranged on the vehicle through a support beam 15 On the frame main body, the vehicle frame main body is a vehicle body that can be stretched laterally, and the vehicle body includes a pair of front frame 8 and rear frame 9 that are arranged in parallel. Transverse telescopic connection, the rear vehicle frame 9 is connected with the rear wheel bracket through the support beam 15, and the front drive wheel 1 is rotatably fitted in the vehicle body through the front fork assembly.

Wherein, rear vehicle frame 9 heads are provided with sleeve, and front vehicle frame 8 one ends are inserted in the sleeve, and are connected with rear vehicle frame 9 laterally telescopically by sleeve, and rear vehicle frame 9 rear parts are provided with support beam 15, and It is connected with the rear wheel bracket through the support beam 15.

The front fork assembly includes a front fork 4, a front fork sleeve 5, a steering rod 6, and a handlebar 7 arranged on the top of the steering rod 6. The top of the front fork 4 is provided with a front fork sleeve 5, and the steering rod 6 can be inserted up and down telescopically. In the front fork sleeve 5 and fixedly connected with the front fork 4 through the front fork sleeve 5, the front driving wheel 1 is arranged on the front fork 4 through the first rotating shaft.

The front fork sleeve 5 is hinged to the front frame 8 through the first hinge seat 17, and the front fork 4 is rotatably fitted in the vehicle body with the first hinge seat 17 as a fulcrum.

The rear wheel support includes an outer cylinder 10, a shock absorber 11 and an inner cylinder 12. One end of the outer cylinder 10 is hinged to the support beam 15, and the other end is sleeved on the head of the inner cylinder 12, and is axially telescopically connected with the inner cylinder 12. The tail of the tube 12 is provided with a second rotating shaft, on which two rear wheels 19 are arranged side by side, the shock absorber 11 is located above the outer tube 10, and one end of the shock absorber 11 is connected to the support beam through the second hinged seat 18 15 is hinged, and the other end is fixedly connected with inner cylinder 12.

The bottom of the seat 14 is provided with a fixed frame 16, and is hinged with the top of the support beam 15 through the fixed frame 16; the hub motor 2 is an external rotor motor, and the external rotor motor is fixed on the hub of the front driving wheel 1; The first disc brake 3 is provided on the top, and the second disc brake 13 is respectively provided on the two rear wheels 19; the material of the vehicle body is aluminum alloy.

In this embodiment, the front drive wheel 1 and the rear wheel 19 all adopt twelve-inch ordinary tires, and the handlebar 7 is provided with a telescopic rod, which can be adjusted in length.

The overall size of the three-wheeled electric bicycle of this embodiment is relatively small, and can adapt to people of different heights through telescopic adjustment. The front drive wheel 1 is driven by the hub motor 2. 7 It can be used to drag the car forward; the body is divided into two sections, and the two sections can be stretched to adjust the comfort of riding. The degree of softness and hardness of the shock absorber 11 is convenient for people to choose different riding experiences. The seat 14 is hinged with the support beam 15 through the fixed frame 16 and can be stretched or folded to facilitate people to adjust to the best sitting posture.

Claims (7)

1. A portable foldable telescopic three-wheeled electric bicycle, the bicycle comprises a vehicle frame main body, a front fork assembly and a rear wheel bracket, and the rear wheel bracket is provided with two rear wheels side by side, and it is characterized in that it also includes a The front drive wheel on the fork assembly, the hub motor arranged on the rim of the front drive wheel and the seat arranged on the frame body, the seat is foldably arranged on the frame body through the support beam, the frame The main body is a body that can be stretched laterally. The body includes a pair of front frame and rear frame that are arranged in parallel. One end of the front frame is hinged to the front fork assembly, and the other end is connected to the rear frame. The rear vehicle frame is connected with the rear wheel bracket through the support beam, and the front drive wheel is rotatably fitted in the vehicle body through the front fork assembly. 2. A portable, foldable and telescopic three-wheeled electric bicycle according to claim 1, wherein a sleeve is provided at the head of the rear frame, and one end of the front frame is inserted into the sleeve In the middle, and through the sleeve and the rear frame transverse telescopic connection, said rear frame tail is provided with a support beam, and connected to the rear wheel bracket through the support beam. 3. A portable foldable telescopic three-wheeled electric bicycle according to claim 1, wherein the front fork assembly includes a front fork, a front fork sleeve, a steering rod and a vehicle mounted on the top of the steering rod The top of the front fork is provided with a front fork sleeve, and the steering rod can be telescopically inserted up and down in the front fork sleeve, and is fixedly connected with the front fork through the front fork sleeve. The front drive A wheel is disposed on the front fork via a first rotational axis. 4. A portable foldable telescopic three-wheeled electric bicycle according to claim 3, wherein the front fork sleeve is hinged with the front frame through the first hinge seat, and the front fork is hinged with the first hinge seat. A articulated seat is used as a fulcrum, and can be rotatably fitted in the vehicle body. 5. A portable foldable telescopic three-wheeled electric bicycle according to claim 1, wherein said rear wheel bracket comprises an outer cylinder, a shock absorber and an inner cylinder, and one end of said outer cylinder is connected to the support The beam is hinged, the other end is sleeved on the head of the inner cylinder, and is axially telescopically connected with the inner cylinder. The tail of the inner cylinder is provided with a second rotating shaft, and two rear wheels are arranged side by side on the second rotating shaft. The shock absorber is located above the outer cylinder, and one end of the shock absorber is hinged to the support beam through the second hinge seat, and the other end is fixedly connected to the inner cylinder. 6. A portable foldable and telescopic three-wheeled electric bicycle according to claim 1, wherein the bottom of the seat is provided with a fixing frame, and is hinged to the top of the support beam through the fixing frame. 7. A portable, foldable and telescopic three-wheeled electric bicycle according to claim 1, wherein the hub motor is an outer rotor motor, and the outer rotor motor is fixed on the hub of the front driving wheel.