CN217673063U

CN217673063U - Automatic transmission

Info

Publication number: CN217673063U
Application number: CN202221216957.6U
Authority: CN
Inventors: 刘杰; 方英伟; 邱荣华
Original assignee: Jiangsu Chuangsida Technology Co ltd
Current assignee: Jiangsu Chuangsida Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-28
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to a derailleur technical field just discloses an automatic transmission, including flower-drum, electron handle, battery, automatic transmission and power rope, the inboard of flower-drum is provided with the cylindricality gear, the outside at cylindricality gear both ends is provided with the tooth, automatic transmission rotates including automatic transmission, the outside combination of cylindricality gear is cup jointed and is installed automatic transmission and rotate the piece. This automatic transmission, the flower-drum assembles the part with automatic transmission, it mainly is connected with the automatic transmission mounting through fixation nut, the combination is rotated with automatic transmission to the cylindricality gear, the battery, the electronic handle assembles on the frame, and realize battery and automatic transmission direct connection through the power rope, the battery provides the electric energy for automatic transmission, wholly adopt speed sensor to detect the speed, the user comes the direction of drive of the interior servo motor of control automatic transmission as required to realize the variable speed, it is simple swift more to operate.

Description

Automatic transmission

Technical Field

The utility model relates to a derailleur technical field specifically is an automatic formula derailleur.

Background

The bicycle is also called as a bicycle or a bicycle, and is a two-wheeled small land vehicle, a person rides on the bicycle and steps on pedals as power, the bicycle is a green and environment-friendly vehicle, and the bicycles are various, including single-person bicycles, double-person bicycles and multi-person bicycles.

The derailleur is a necessary speed change gear on the bicycle, and the derailleur on the bicycle is manual formula structure now, and in the use, it is comparatively loaded down with trivial details to rotate the handle and carry out the speed change operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an automatic formula derailleur to it is a necessary speed change gear on the bicycle to propose the derailleur in solving above-mentioned background art, and the derailleur on the bicycle now is manual formula structure, in the use, rotates the handle and carries out the speed change operation, operates comparatively loaded down with trivial details problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic transmission, includes flower-drum, electron handle, battery, automatic gearbox and power rope, the inboard of flower-drum is provided with the cylindricality gear, the outside at cylindricality gear both ends is provided with the tooth, automatic gearbox rotates including automatic gearbox, the outside combination of cylindricality gear cup joints installs automatic gearbox and rotates the piece, electron handle erection joint is on the frame, automatic gearbox rotates the piece and passes through power rope and automatic gearbox and battery electric connection, and the flower-drum assembles the part with automatic gearbox, and it is mainly connected with the automatic gearbox mounting through fixation nut, and the combination is rotated with automatic gearbox to the cylindricality gear, the electron handle assembles on the frame to realize through the power rope that battery and automatic gearbox are direct being connected, the battery provides the electric energy for automatic gearbox.

Preferably, the inner side of the cylindrical gear is provided with a threaded shaft, and the threaded shaft is located on the inner side of the automatic transmission fixing piece, so that the hub and the automatic transmission can be conveniently assembled.

Preferably, the hub is fixedly connected through a fixing nut automatic transmission fixing piece.

Preferably, a speed sensor is fixedly mounted on the outer side of the automatic transmission, the rotating speed of a rotating part of the automatic transmission is detected through the speed sensor, the automatic transmission is set to be in three sections, namely, a low speed range, a middle speed range and a high speed range, the three sections are corresponding to three different speeds, namely, a low speed range, a middle speed range and a high speed range, and the hub and the initial position of the automatic transmission are both in a low speed position and are changed into a high speed by the low speed: in the riding process, when the speed is required to be changed to a high speed, a riding person only needs to initially increase the riding speed, when the rotating speed of a rear wheel reaches a certain B interval, after a speed sensor on the automatic transmission detects in place, a servo motor is driven to rotate in the automatic transmission, a rotating part of the automatic transmission is driven to rotate, the cylindrical gear is driven to change the speed to a middle speed position, acceleration is realized, and similarly, the riding is continuously accelerated; on the contrary, like realize high-speed to low-speed variation, the personnel of riding only need slow down the speed of riding, reach certain B interval when the rear wheel rotational speed, automatic gearbox goes up the speed sensor and detects the back in place, automatic gearbox can drive servo motor and rotate to opposite direction, drive automatic gearbox and rotate a rotation, drive cylindricality gear to the speed change of intermediate speed position, the realization is to low-speed variation, the same reason continues to reduce and rides, if the rear wheel speed reaches A interval scope, automatic gearbox goes up the speed sensor and detects the back in place, automatic gearbox can drive servo motor and rotate, drive automatic gearbox and rotate, it changes speed to low-speed position to drive cylindricality gear, realize the low-speed and ride.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this automatic transmission, flower-drum and automatic transmission assemble into the part, and it is mainly connected with the automatic transmission mounting through fixation nut, and the combination is rotated with the automatic transmission to cylindricality gear, and the battery, the electronic handle assembles on the frame to realize battery and automatic transmission direct being connected through the power rope, the battery provides the electric energy for the automatic transmission.

2. The automatic transmission integrally adopts the speed sensor to detect the speed, and a user controls the driving direction of the servo motor in the automatic transmission according to the requirement to realize speed change, so that the operation is simpler and faster.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the hub of the present invention;

fig. 3 is an enlarged schematic view of the M-point in fig. 2 according to the present invention.

In the figure: 1. a flower drum; 2. an electronic handle; 3. a battery; 4. an automatic transmission; 5. a power cord; 1-1, fixing a nut; 1-2, cylindrical gear; 4-1, automatic transmission fixing parts; 4-2, an automatic transmission rotating member; 4-3, a speed sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an automatic transmission comprises a hub 1, an electronic handle 2, a battery 3, an automatic transmission 4, a power cord 5, a fixing nut 1-1, a cylindrical gear 1-2, an automatic transmission fixing part 4-1, an automatic transmission rotating part 4-2 and a speed sensor 4-3, wherein the cylindrical gear 1-2 is arranged on the inner side of the hub 1, teeth are arranged on the outer sides of two ends of the cylindrical gear 1-2, the automatic transmission 4 comprises the automatic transmission rotating part 4-2, the automatic transmission rotating part 4-2 is sleeved and installed on the outer side of the cylindrical gear 1-2 in a combined mode, the electronic handle 2 is assembled and installed on a vehicle frame, the automatic transmission rotating part 4-2 is electrically connected with the automatic transmission 4 and the battery 3 through the power cord 5, the hub 1 and the automatic transmission 4 are assembled into a component which is mainly connected with the automatic transmission fixing part 4-1 through the fixing nut 1-1, the cylindrical gear 1-2 is assembled with the automatic transmission rotating part 4-2, the battery 3 and the electronic handle 2 are assembled on the vehicle frame in detail, the battery 3 is directly connected with the automatic transmission 4 through the power cord 5, the battery 3 and the automatic transmission is not introduced into a servo motor.

Preferably, the inner side of the cylindrical gear 1-2 is provided with a threaded shaft which is positioned at the inner side of the automatic transmission fixing member 4-1, so that the assembly of the hub 1 and the automatic transmission 4 is facilitated.

Preferably, the hub 1 is fixedly connected through a fixing nut 1-1 and an automatic transmission fixing member 4-1.

Preferably, a speed sensor 4-3 is fixedly mounted on the outer side of the automatic transmission 4, the rotation speed of the automatic transmission rotating member 4-2 is detected by the speed sensor 4-3, the automatic transmission 4 is set to be in three sections, namely, a low speed range, a medium speed range and a high speed range, the three sections correspond to three different speeds, namely, a low speed range, a medium speed range and a high speed range, and meanwhile, the hub 1 and the automatic transmission 4 are both in a low speed position and are changed from the low speed to the high speed: during riding, if the speed is required to be changed to a high speed, a rider only needs to initially increase the riding speed, when the rotating speed of a rear wheel reaches a certain B interval, after a speed sensor 4-3 on an automatic transmission 4 detects that the speed is in place, a servo motor is driven to rotate by an internal 7 of the automatic transmission to drive a rotating part 4-2 of the automatic transmission to rotate, so that the cylindrical gear 1-2 is driven to change speed to a middle speed position to realize acceleration, and similarly, the riding is continuously accelerated, if the rear wheel speed reaches the range of the C interval, and after the speed sensor 4-3 on the automatic transmission 4 detects that the speed is in place, the automatic transmission 4 drives the servo motor to rotate, so that the rotating part 4-2 of the automatic transmission is driven to rotate, so that the cylindrical gear 1-2 is driven to change speed to the high speed position to realize high-speed riding; on the contrary, if the high speed is changed to the low speed, the riding personnel only need to slow down the riding speed, when the rotating speed of the rear wheel reaches a certain B interval, and the speed sensor 4-3 on the automatic transmission 4 detects the rear wheel in place, the automatic transmission 4 can drive the servo motor to rotate in the opposite direction, and drive the automatic transmission rotating part 4-2 to rotate, so as to drive the cylindrical gear 1-2 to change the speed to the medium speed position, so as to realize the low speed changing, and similarly, the riding is continuously reduced, if the rear wheel speed reaches the range of the A interval, and after the speed sensor 4-3 on the automatic transmission 4 detects the rear wheel in place, the automatic transmission 4 can drive the servo motor to rotate, so as to drive the automatic transmission rotating part 4-2 to rotate, so as to drive the cylindrical gear 1-2 to change the speed to the low speed position, so as to realize the low speed riding.

The working principle is as follows: firstly, assembling a hub 1 and an automatic transmission 4 into a component, which is mainly connected with a fixed part 4-1 of the automatic transmission through a fixed nut 1-1, combining a cylindrical gear 1-2 with a rotating part 4-2 of the automatic transmission, assembling a battery 3 and an electronic handle 2 on a frame, realizing the direct connection of the battery 3 and the automatic transmission 4 through a power cord 5, supplying electric energy to the automatic transmission 4 by the battery 3, and in the use process, setting the automatic transmission 4 into three sections of low, medium and high, wherein the three sections have three different speeds A, low speed ranges, B, medium speed ranges and C, high speed ranges, and simultaneously, the initial positions of the hub 1 and the automatic transmission 4 are all in the low speed position and are changed from the low speed to the high speed: during riding, if the speed is required to be changed to a high speed, a rider only needs to initially increase the riding speed, when the rotating speed of a rear wheel reaches a certain B interval, after a speed sensor 4-3 on an automatic transmission 4 detects that the speed is in place, a servo motor is driven to rotate by an internal 7 of the automatic transmission to drive a rotating part 4-2 of the automatic transmission to rotate, so that the cylindrical gear 1-2 is driven to change speed to a middle speed position to realize acceleration, and similarly, the riding is continuously accelerated, if the rear wheel speed reaches the range of the C interval, and after the speed sensor 4-3 on the automatic transmission 4 detects that the speed is in place, the automatic transmission 4 drives the servo motor to rotate, so that the rotating part 4-2 of the automatic transmission is driven to rotate, so that the cylindrical gear 1-2 is driven to change speed to the high speed position to realize high-speed riding; conversely, if the high speed is changed to the low speed, the riding personnel only need to slow down the riding speed, when the rotating speed of the rear wheel reaches a certain B interval, and the speed sensor 4-3 on the automatic transmission 4 detects the rear wheel in place, the automatic transmission 4 can drive the servo motor to rotate in the opposite direction, and drive the rotating piece 4-2 of the automatic transmission to rotate, so as to drive the cylindrical gear 1-2 to change speed to the middle speed position, so as to realize the low speed changing, and similarly, the riding is continuously reduced, if the rotating speed of the rear wheel reaches the A interval, and when the speed sensor 4-3 on the automatic transmission 4 detects the rear wheel in place, the automatic transmission 4 can drive the servo motor to rotate, and drive the rotating piece 4-2 of the automatic transmission to rotate, so as to drive the cylindrical gear 1-2 to change speed to the low speed position, so as to realize the low speed riding.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. An automatic transmission comprises a hub (1), an electronic handle (2), a battery (3), an automatic transmission (4) and a power cord (5), and is characterized in that: the inboard of flower-drum (1) is provided with cylindricality gear (1-2), the outside at cylindricality gear (1-2) both ends is provided with the tooth, automatic transmission (4) rotate piece (4-2) including automatic transmission, the outside combination of cylindricality gear (1-2) is cup jointed and is installed automatic transmission and rotate piece (4-2), electron handle (2) assembly mounting is on the frame, automatic transmission rotates piece (4-2) and passes through power rope (5) and automatic transmission (4) and battery (3) electric connection.

2. An automatic transmission according to claim 1, characterized in that: the inner side of the cylindrical gear (1-2) is provided with a threaded shaft, and the threaded shaft is positioned on the inner side of the automatic transmission fixing piece (4-1).

3. An automatic transmission according to claim 2, characterized in that: the hub (1) is fixedly connected with an automatic transmission fixing piece (4-1) through a fixing nut (1-1).

4. An automatic transmission according to claim 1, characterized in that: and a speed sensor (4-3) is fixedly mounted on the outer side of the automatic transmission (4).