CN211764755U

CN211764755U - Electric power-assisted amphibious bicycle

Info

Publication number: CN211764755U
Application number: CN202020329104.8U
Authority: CN
Inventors: 何玉林; 秦家松; 杜嘉宸; 钟国安
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2019-04-28
Filing date: 2020-03-17
Publication date: 2020-10-27
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses an electronic helping hand amphibian bicycle, including the bicycle automobile body and with power supply, transmission structure and flotation device that the bicycle automobile body is connected, different with prior art be: the bicycle body adopts a double-wheel form of front and rear wheels, and the front and rear wheels are connected with the frame through support rods so that the bicycle body can be turned over; the frame is a hollow structure, and the vehicle body is symmetrical left and right. The power source is divided into a land state and an underwater state, wherein: the manual driving is carried out through the pedal plate under the land state; the electric variable-speed driving is carried out by the propeller in an underwater state, the propeller comprises a waterproof motor, a battery, a propeller blade and a speed regulation button, the waterproof motor is connected with the propeller blade to form the propeller, the propeller is fixed in the bicycle frame through screw connection, and a switch and the speed regulation button are arranged on the bicycle frame. The structure can realize the amphibious function of the bicycle driven by the electric power on the water in the land and ground line transmission, can be freely switched between the land state and the water state, and has the advantages of small floating bearing device, compact integral structure, convenient carrying, simple and high efficiency in use.

Description

Electric power-assisted amphibious bicycle

Technical Field

The utility model relates to a vehicle field specifically is an electronic helping hand amphibian bicycle.

Background

At present, the existing land and water bicycles are mostly used for entertainment and sightseeing, the practical application on the market is still few, and the structure of the land and water bicycle is mainly divided into a bicycle and a floating device.

Chinese patent CN103863034A discloses a leisure amphibious bicycle, which is characterized in that floating plates are additionally arranged on the left and right sides of the bicycle, impellers are additionally arranged on the tail of the bicycle, manual driving is performed through pedals in an amphibious state, transmission is complex and labor-consuming, and collision or frictional damage can be caused to the impellers when the bicycle runs on land.

Chinese patent CN204870408U discloses an amphibious electric power-assisted bicycle, which adopts a structure that two sides of the bicycle are directly additionally provided with floating plates, the launching is driven by propeller power, the land keeps the function of the traditional bicycle, but because the structure is large in volume and the amphibious state is inconvenient to switch, a large amount of application is difficult in practice.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's defect, the utility model provides an electronic helping hand amphibian bicycle, this kind of bicycle can freely switch under two states of water and land, and it is little to float to bear the device, and overall structure is compact, convenient to carry, and is simple to use high-efficient.

In order to achieve the above purpose, the utility model provides a technical scheme does:

an electric power-assisted amphibious bicycle comprises a bicycle body, a power source connected with the bicycle body, a transmission structure and a floating device, and is different from the prior art in that:

the bicycle body adopts a double-wheel form of front and rear wheels, and the front and rear wheels are connected with the frame through support rods so that the bicycle body can be turned over; the frame is a hollow structure, and the vehicle body is symmetrical left and right.

The power source is divided into a land state and an underwater state, wherein: the manual driving is carried out through the pedal plate under the land state; the electric variable-speed driving is carried out by a propeller in an underwater state, the propeller comprises a waterproof motor, a battery, a propeller blade and a speed regulation button, the waterproof motor and the propeller blade are connected to form the propeller, the propeller is fixedly connected in a bicycle frame through screws, and a switch and the speed regulation button are arranged on the bicycle frame;

the transmission structure adopts a line transmission structure on the land, and comprises a line hub, a steel wire rope and a pedal plate, wherein one end of the steel wire rope is buckled on the pedal plate, the other end of the steel wire rope winds around the line hub, and the pedal plate performs swinging back movement due to the limit of a limiting rod, so that the steel wire rope moves along with the pedal plate; the wire wheel hub mainly comprises a coil spring and a ratchet mechanism, wherein the ratchet mechanism comprises a hollow shaft, a ratchet wheel, a pawl and a ratchet wheel boss, the inner ring end of the coil spring is fixed on the hollow shaft, the outer ring end of the coil spring is fixed on the inner wall of a ratchet wheel shell, the ratchet wheel boss is connected with the wheel hub of the rear wheel of the vehicle body through a screw, the pawl is matched with the ratchet wheel on the inner wall of the ratchet wheel shell, and one-way transmission is realized under the; the tail end of the steel wire rope is fixed on the outer wall of the ratchet wheel shell and surrounds a plurality of circles, and after the steel wire rope is pulled forwards, the ratchet wheel shell rotates forwards, and the rear wheel is driven to move forwards under the action of the pawl; the spring makes the ratchet wheel shell reset by the force of the pedal plate, drives the steel wire rope and the pedal plate to reset, and the rotating direction of the wheel is not influenced in the resetting process;

the floating device is an inflatable pneumatic tire, the wheels are symmetrically opened to be horizontal, and the pneumatic tire is buckled on the wheels through buckles, and the number of the pneumatic tire is four. A plastic thin plate is additionally arranged below a front fork of the bicycle and is fastened through a screw, so that the bicycle is used for steering during underwater running.

The bicycle body is of a symmetrical structure, the front wheel and the rear wheel are both double wheels and adopt a three-spoke form, and the two sides of each spoke are connected with the left wheel and the right wheel through screws so that the double wheels are fixed and abutted; the two sides of the front wheel and the rear wheel are connected with a support rod, and the support rod is connected with the frame and fixed by a quick-release screw; two wheels of the front wheel and the rear wheel respectively cling to and move with each other when running on the land, and the quick-release screws and the screws are loosened when running in the water state, and the front wheel and the rear wheel are turned over to be in a horizontal state.

The switch and the speed regulating button are buttons at the rotating speed control end of the motor with multi-stage rotating speed.

The inflatable pneumatic tires are carried with one by a compression mode, are respectively buckled on the small holes of the tire frame of the wheel after being inflated, and are positioned below the wheel when entering water, and the number of the inflatable pneumatic tires is four.

The utility model has the advantages that: the structure can realize the amphibious function of the bicycle driven by the electric power on the water in the land and ground line transmission, can be freely switched between the land state and the water state, and has the advantages of small floating bearing device, compact integral structure, convenient carrying, simple and high efficiency in use.

Drawings

FIG. 1 is a front view of the amphibious bicycle of the present invention;

figure 2 is a schematic plan structural view of the amphibious bicycle of the present invention from a land state;

FIG. 3 is a structural schematic view of the amphibious bicycle of the present invention as seen from the right in the water entry state;

FIG. 4 is a front elevational view of the amphibious bicycle of the present invention in a water entry state;

fig. 5 is a schematic view of a wire drive hub construction.

In the figure: 1. the hand brake comprises a handlebar 2, a hand brake 3, a switch and speed regulation button 4, a pedal 5, a frame 6, a steel wire rope 7, a saddle 8, a quick release screw 9, a disc brake sheet 10, a wheel 11, a wheel hub 12, a propeller 13, a limiting rod 14, a wheel quick release screw 15, a wheel screw 16, a supporting rod 17, a front fork 18, a battery 19, an inflation pneumatic tire 20, a ring buckle 21, a steering plate 22, a hollow shaft 23, a bearing 24, an end cover 25, an end cover screw 26, a bearing end cover 27, a coil spring 28, a ratchet wheel shell 29, a pawl 30, a boss screw 31, a ratchet boss 32, a flange bearing 33, a thread end cover 34, a bearing top piece 35 and a reset spring.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and embodiments.

Example (b):

an electrically-assisted amphibious bicycle comprising a bicycle body, a power source, a transmission structure and a floatation device, wherein:

the vehicle body structure is mainly a symmetrical form that front and rear wheels (10) are double wheels, the vehicle frame (5) is a hollow structure, two sides of the wheels (10) are connected with supporting rods (16), and the supporting rods (16) are fixed on the vehicle frame (5) through quick-release screws. The wheel (10) is tightly attached and moves simultaneously when running on the land, the wheel quick-release screw (14) and the wheel screw (15) are loosened when running in water, and the support rod (16) turns over the wheel to be horizontal and prepares for additionally installing the inflatable pneumatic tire (19).

The power source mainly has two states of land and underwater, and the power source is driven by manpower through the pedal (4) in the land state; the underwater state is mainly driven by a propeller (12) in an electric variable speed mode, the propeller is arranged at the bottom of the frame and is fixedly connected through screws, blades are immersed in water and then electrified to realize water driving, and a motor control end is arranged on the frame (5) and comprises a switch and a speed regulation button (3).

The transmission structure is mainly in line transmission on the land state, the line transmission scheme is based on the guarantee of dirt resistance, rust resistance and easiness in disassembly, a steel wire rope (6) is adopted for a rope line, one end of the steel wire rope is fixed on a middle shaft of the pedal plate (4), and the other end of the steel wire rope is wound and connected with a line wheel hub (11). The wire hub (11) is the main structure of a wire transmission system and mainly comprises a coil spring (27) and a ratchet mechanism. The inner ring of a coil spring (27) is fixed with a hollow shaft (22), the outer ring of the coil spring is connected with the inner wall of a ratchet wheel shell (28), a pawl (29) is fixed on a ratchet boss (31), the ratchet boss (31) is connected with a rear wheel (10) through a boss screw (30), and the pawl (29) is matched with a tooth groove on the inner wall of the ratchet wheel shell (28) to realize one-way transmission. The tail end of the steel wire rope (6) is buckled on the outer wall of the ratchet wheel shell (28) and surrounds a plurality of circles, when the ratchet wheel shell works, the hollow shaft (22) is fixed, the pawl (29) is matched with the return spring (35), the coil spring (27) and the steel wire rope (6) are tensioned and reset in a reciprocating mode, the ratchet wheel shell rotates in a reciprocating mode, and the rear wheel (10) is driven to advance under the action of the ratchet mechanism (as shown in figure 5).

The floating device comprises an inflatable pneumatic tyre (19) and a front wheel (10) and a rear wheel (10) which are folded. The inflatable air cushion is synthesized by high-toughness plastic materials, is distributed on the left and the right of the front wheel and the rear wheel in an inflated state, and is buckled on a tire frame of the wheel (10) through a buckle (20). The front wheel and the rear wheel are of symmetrical double-wheel structures and are connected through shaft holes, the wheels are in a three-spoke strip type, holes are formed in the two sides of each spoke to fasten the double wheels through screws, holes are uniformly formed in the tire frame to be connected with the air cushions, and supporting rods (16) on the two sides of each wheel are connected to the frame through quick-release screws. Under the state of driving on land, the two wheels of the front wheel and the rear wheel are connected through a screw (15) to be fastened and move together, and the supporting rod is fixed by a quick-release screw (8) in a vertical state. When entering water, the support rod and the wheel rotate to be in a horizontal state, the support rod and the wheel are connected through a quick-release screw with a proper length, an inflatable pneumatic tire (19) is additionally arranged in a buckling mode, the inflatable pneumatic tire (19) is inflated through an inflator, the pressure is sufficient, and the inflatable pneumatic tire can bear the weight of and float. The front fork (17) is connected with a plastic thin plate as a steering plate (21) through a screw, and is fixed through the screw and used for steering during underwater driving.

The utility model discloses a theory of operation is:

driving in a land state: when the bicycle is driven on the land, the inflatable air tire is not used, the inflatable air tire is carried along in a compressed mode, the double wheels (10) of the front wheel and the rear wheel are respectively and closely connected, and the bicycle shape state is shown in figures 1 and 2. The power transmission is a wire transmission mode, one end of a steel wire rope (6) is wound on a wire hub (11) and is wound by a plurality of circles, one end of the steel wire rope is fixed on a central shaft of the pedal plate (4), and a coil spring (27) is arranged in the wire hub to reset a ratchet wheel shell (28). When the pedal (4) is driven forwards by manpower, the steel wire rope (6) drives the ratchet wheel shell (28) to rotate forwards, and simultaneously drives the pawl (29) and the ratchet boss (28) to rotate forwards, the ratchet boss is connected with the rear wheel hub (10), and the rear wheel rotates along with the ratchet boss; when the pedal swings back, the steel wire rope is not stressed, the coil spring (27) drives the ratchet wheel shell (28) to rotate, at the moment, the movement direction of the wheel is not influenced due to the transmission characteristic of the ratchet mechanism, the wheel is repeatedly driven, and the ratchet wheel shell (28) drives the bicycle in a single direction through the ratchet mechanism.

Driving in a water entering state: the bicycle in the water entering state is shown in fig. 3 and 4, when the bicycle enters water, the front wheel and the rear wheel are horizontally unfolded, and the inflating air tire (19) is buckled and hung on a hole of a bicycle tire frame after being inflated by the inflator, so that the floating function is realized. The driving mode is that the propeller is electrically driven, the power switch and the speed regulating button are arranged on the frame (5), the frame is hollow, the battery is arranged in the frame, and the self-steering device of the vehicle is realized by a steering plate (21) below the front fork.

Claims

1. The utility model provides an electric power-assisted amphibious bicycle, includes bicycle automobile body and the power supply, transmission structure and the flotation device of being connected with the bicycle automobile body, characterized by:

the bicycle body adopts a double-wheel form of front and rear wheels, the transmission structure and the floating device are bilaterally symmetrical relative to the bicycle body, and the wheels are connected with the frame through the support rods so as to be capable of being folded in a rotating way;

the power source is divided into a land state and an underwater state, wherein: the manual driving is carried out through the pedal plate under the land state; the electric variable-speed driving is carried out by a propeller in an underwater state, the propeller comprises a waterproof motor, a battery, a propeller blade and a speed regulation button, the waterproof motor and the propeller blade are connected to form the propeller, the propeller is fixed in a bicycle frame through screws, and a switch and the speed regulation button are arranged on the bicycle frame;

the floating device is an inflatable pneumatic tire, is distributed on the left and right of the front and rear wheels in an inflated state, and is buckled on the tire frame of the vehicle through a buckle; a plastic thin plate is fixedly connected with the lower part of the front fork through a screw to be used as a steering plate for steering during underwater driving.

2. An electrically assisted amphibious bicycle as claimed in claim 1 wherein: the front wheel and the rear wheel of the vehicle body are of a symmetrical double-wheel structure, the double wheels are connected through screws at spokes, and holes are uniformly formed in the circumference of the tire frame and used for buckling the inflatable pneumatic tires; the two sides of the front wheel and the rear wheel are connected with a support rod, and the support rod is fixed on the frame through a quick-release screw; the two wheels of the front wheel and the rear wheel respectively cling to and move with each other when running on the land, the quick-release screws and the screws at the spokes are loosened when running in the water state, and the support rod and the rear wheel are rotated to be in a horizontal state.

3. An electrically assisted amphibious bicycle as claimed in claim 1 wherein: the wire hub is a ratchet mechanism with one-way transmission, a ratchet wheel shell rotates forwards under the action of forward pulling of the steel wire rope, the ratchet wheel is matched with the steel wire rope to drive the wheel to rotate forwards, and the coil spring is pressed; when the manual pedal is released, the coil spring rebounds to enable the ratchet wheel shell to rotate backwards to the return position, and at the moment, the movement direction of the wheel is not influenced due to the unidirectional transmission characteristic of the ratchet wheel.

4. An electrically assisted amphibious bicycle as claimed in claim 1 wherein: the switch and the speed regulating button are motor rotating speed control end buttons with two-stage rotating speed.

5. An electrically assisted amphibious bicycle as claimed in claim 1 wherein: the inflatable pneumatic tires are carried with one another in a compressed mode, are buckled on holes of a tire frame of the vehicle through buckles respectively after being inflated, and are distributed on the left and right of the vehicle body in four positions below wheels when entering water.