Gear shift electric control mechanism of an inner transmission

Abstract

The application provides a gear switching electric control mechanism of an inner transmission, mainly comprising an electric control base, a control circuit board, a motor, a logic driving ring and an electric control base side cover, wherein the control circuit board, the motor and the logic driving ring are assembled in an internal accommodation space between the electric control base and the electric control base side cover which can be closed, a shifting signal is received to a controller on the control circuit board by a wireless or wired signal receiving mode, the motor is driven to act by the controller on the control circuit board, the motor drives the logic driving ring to rotate, the positioning rotation angle of the logic loop on the logic driving ring is to the position of a target gear, and the practical effect and purpose of simple and accurate electric control switching of the inner transmission gear are achieved.

Description

Technical Field

[0001] This invention relates to the field of electronically controlled gear shifting, and in particular to an electronically controlled gear shifting mechanism for an internal gearbox of a bicycle. Background Technology

[0002] Common bicycle derailleurs are generally divided into traditional exposed derailleurs and innovative internal derailleurs hidden in the wheel hub. The shifting control methods of these derailleurs include manual control and electric control.

[0003] While all electric transmission switching technologies possess the function of electronic speed control, the limitations and constraints imposed by different inventive thinking and technological ideas have resulted in complex structures, numerous components, high costs, and insufficient size and weight in related technology development. Consequently, their industrial applicability and economic benefits are not entirely ideal. Summary of the Invention

[0004] The main objective of this invention is to provide an electronically controlled internal gear shift mechanism that is simple in structure, has few components, low cost, compact size, and excellent practicality.

[0005] The gear shifting electronic control mechanism of the internal transmission of this invention mainly comprises: an electronic control base, a control circuit board, a motor, a logic drive ring, and a side cover of the electronic control base; wherein the control circuit board, the motor, and the logic drive ring are assembled in the internal accommodating space between the mating electronic control base and the side cover of the electronic control base; it uses the controller on the control circuit board to receive the shift signal, and the controller on the control circuit board drives the motor to actuate, so that the motor gear drives the logic drive ring to rotate, and the positioning rotation angle of the logic circuit on the logic drive ring is adjusted to the position of the target gear to complete the electronic shifting of the gear.

[0006] As an embodiment of the present invention, the controller shift signal on the control circuit board is received using a wireless or wired signal reception method.

[0007] As an embodiment of the present invention, a logic drive ring that can be positioned and rotated is provided with a logic drive ring gear that meshes with a motor gear that is driven by a motor.

[0008] As an embodiment of the present invention, a signal transmission contact is provided between the control circuit board and the logic circuit on the logic drive ring.

[0009] As an embodiment of the present invention, a positioning seat is provided between the inner wall of the electronic control base and the inner wall of the side cover of the electronic control base for positioning the motor and the logic drive ring.

[0010] As an embodiment of the present invention, a signal transmission contact is provided between the control circuit board and the logic drive ring. The signal transmission contact is positioned in the positioning cylinder and includes a left-transmission signal spring finger, a right-transmission signal spring finger, and a common-pole spring.

[0011] As an embodiment of the present invention, the outer part of the logic drive ring is a logic circuit made of conductive material, and there are non-conductive bodies made of non-conductive material on the logic circuit.

[0012] As an embodiment of the present invention, when there is one or more positioning seats for positioning the motor and logic drive ring, the one or more positioning seats are separated by a spacer ring. The spacer ring is a hollow ring body, and a setting surface is provided on the outside of the ring body for the one or more positioning seats to be spaced apart.

[0013] The beneficial effects of the present invention include: (1) providing an internal gear shifting electronic control mechanism with a simple structure, few components, low cost, compact size and good practicality.

[0014] (2) Provides an electronic control mechanism for shifting gears in an internal transmission that can perform gear shifting by repeatedly rotating and positioning the gears at precise angles.

[0015] (3) Provide a safe, practical and highly industrially applicable and economically beneficial internal transmission gear shifting electronic control mechanism. Attached Figure Description

[0016] Figure 1 : This is an assembly diagram of the first embodiment of the present invention.

[0017] Figure 2 : This is a cross-sectional view of the first embodiment of the present invention after assembly.

[0018] Figure 3 : This is the logic driving ring of the first embodiment of the present invention.

[0019] Figure 4 : This is a schematic representation of the logic driving loop for 4-segment gear angle control in the first embodiment of the present invention.

[0020] Figure 5 : This is an assembly diagram of the second embodiment of the present invention.

[0021] Figure 6 : This is a schematic diagram of the motor and logic drive ring combination according to the second embodiment of the present invention.

[0022] Figure 7 : This is a schematic diagram of the combination of the motor and logic drive ring with the signal transmission contact in the second embodiment of the present invention.

[0023] Figure 8This is a schematic diagram illustrating the linkage between the motor and the logic drive ring in the second embodiment of the present invention.

[0024] Figure 9 : This is a schematic diagram of the rotation of the motor linkage logic drive ring according to the second embodiment of the present invention.

[0025] Figure 10 : This is a schematic diagram of the motor linkage logic drive ring rotation setting angle according to the second embodiment of the present invention.

[0026] Figure 11 : This is a schematic diagram of the spacer ring according to the second embodiment of the present invention.

[0027] Figure 12 : This is a schematic diagram of the positioning seat according to the second embodiment of the present invention.

[0028] Figure 13 : This is a schematic diagram of the positioning seat from another perspective of the second embodiment of the present invention.

[0029] In the picture:

[0030] 1. Electrical control base; 2. Control circuit board; 21. Left signal spring finger; 21b. Right signal spring finger; 21c. Common pole spring;

[0031] 3 Motors; 31 Motor Gears; 4 Logic Drive Rings; 41 Logic Circuits; 411 Non-conductive Materials; 42 Logic Drive Ring Gears;

[0032] 5. Side cover of the electrical control base; 6. Positioning cylinder; 7. Spacer ring; 71. Setting surface. Detailed Implementation

[0033] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0034] Please see Figures 1 to 4 The image shows a first embodiment of the gear shifting electronic control mechanism of the transmission in this invention. Figures 5 to 13 As shown in the figure, the second embodiment of the present invention has the same main components of the invention as the first and second embodiments, including: an electronic control base 1, a control circuit board 2, a motor 3, a logic drive ring 4, and an electronic control base side cover 5.

[0035] like Figures 1 to 4The first embodiment shown mainly comprises the following components: an electronic control base 1, a control circuit board 2, a motor 3, a logic drive ring 4, and an electronic control base side cover 5; wherein: a positioning seat 6 is provided between the inner wall of the electronic control base 1 and the inner wall of the electronic control base side cover 5 for positioning and assembling the motor 3 and the logic drive ring 4; a signal transmission contact 21 is provided between the control circuit board 2 and the logic circuit 41 on the logic drive ring 4, the signal transmission contact 21 being disposed on the control circuit board 2, and the logic circuit 41 of the logic drive ring 4 can implement control of more than two angle levels (e.g., Figure 3 , Figure 4 As shown (taking 4-speed angle control as an example), the controller shift signal reception of the control circuit board 2 is received by wireless or wired signal reception; the rotatable logic drive ring 4, which is positioned between the electric control base 1 and the side cover 5 of the electric control base, is provided with a logic drive ring gear 42 that meshes with the motor gear 31 of the motor 3.

[0036] The aforementioned control circuit board 2, motor 3, and logic drive ring 4 are assembled in the internal accommodating space between the mating electronic control base 1 and the side cover 5 of the electronic control base. The controller on the control circuit board 2 receives the shift signal and drives the motor 3 to operate, causing the motor gear 31 of the motor 3 to drive the logic drive ring 4 to rotate. The logic circuit 41 on the logic drive ring 4 positions the rotation angle to the target gear position to complete the electronic shift of the gear.

[0037] Please refer to the following: Figures 5 to 13 In a second embodiment of the present invention, the main components include: an electronic control base 1, a control circuit board 2, a motor 3, a logic drive ring 4, and an electronic control base side cover 5; wherein: a positioning seat 6 is provided between the inner wall of the electronic control base 1 and the inner wall of the electronic control base side cover 5 for positioning and assembling the motor 3 and the logic drive ring 4; a signal transmission contact is provided between the control circuit board 2 and the logic drive ring 4, the signal transmission contact being positioned on the positioning seat 6, the signal transmission contact including a left-transmitting signal spring finger 21a, a right-transmitting signal spring finger 21b, and a common-pole spring 21c; the outer surface of the logic drive ring 4 is made of a conductive material. The circuit 41 has a non-conductive body 411 made of non-conductive material. When the logic drive ring 4 rotates, the non-conductive body 411 rotates from the right-pass signal spring finger 21b to the left-pass signal spring finger 21a, so that the left-pass signal spring finger 21a senses OFF and stops rotating, thus completing the transmission of a gear change command. As shown in the figure, the logic drive ring completes a precise angle rotation positioning action by rotating 180 degrees. In this way, the alternating switching of the left-pass signal spring finger 21a and the right-pass signal spring finger 21b can complete the repeated precise angle rotation positioning action of the logic drive ring 4 to complete the electronic control switching of gears.

[0038] The controller shift signal of the control circuit board 2 is received wirelessly or via wired signal reception. A rotatable logic drive ring 4, positioned at the positioning seat 6 between the electric control base 1 and the electric control base side cover 5, is equipped with a logic drive ring gear 42 that meshes with the motor gear 31 of the motor 3. The control circuit board 2, motor 3, and logic drive ring 4 are assembled within the internal accommodating space between the mating electric control base 1 and the electric control base side cover 5. The controller on the control circuit board 2 receives the shift signal and drives the motor. 3. The motor gear 31 of the motor 3 drives the logic drive ring 4 to rotate. The control circuit board 2 and the logic drive ring 4 are connected by a signal transmission contact to detect the rotation angle of the logic circuit 41 on the logic drive ring 4 to the target gear position to complete the electronic control switching of the gear. When there is one or more positioning seats 6 for positioning the motor 3 and the logic drive ring 4, the one or more positioning seats 6 are separated by a spacer ring 7. The spacer ring 7 is a hollow ring body, and there is a setting surface 71 on the outside of the ring body for the one or more positioning seats 6 to be spaced apart.

[0039] In summary, the above embodiments of the same technical invention can reliably and effectively produce the following practical benefits:

[0040] (1) It can provide a simplified structure, fewer components, lower cost, smaller size and better practicality of an internal gear shifting electronic control mechanism.

[0041] (2) Indeed, an electronic control mechanism for shifting gears in an internal transmission is provided, which can perform gear shifting by repeatedly rotating and positioning the gears at precise angles.

[0042] (3) It can provide a safe, practical and industrially applicable and economically efficient internal transmission gear shifting electronic control mechanism.

[0043] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention is defined by the claims.

Claims

1. An electronic control mechanism for gear shifting in an internal transmission, comprising: The system comprises an electronic control base, a control circuit board, a motor, a logic drive ring, and a side cover of the electronic control base; wherein: a positioning cylinder for positioning and assembling the motor and the logic drive ring is provided between the inner wall of the electronic control base and the inner wall of the side cover of the electronic control base; characterized in that: a shift signal is received by a controller on the control circuit board, and the controller on the control circuit board drives the motor to operate, causing the motor gear to drive the logic drive ring to rotate. A signal transmission contact is provided between the control circuit board and the logic drive ring to detect the logic circuit on the logic drive ring to position the rotation angle to the target gear position, thereby completing the electronic control switching of the gear.

2. The gear shifting electronic control mechanism of the internal transmission as described in claim 1, characterized in that: The controller shift signal on the control circuit board is received using either wireless or wired signal reception.

3. The gear shifting electronic control mechanism of the internal transmission as described in claim 1, characterized in that: The rotatable logic drive ring is equipped with a logic drive ring gear that meshes with the motor gear of the motor.

4. The gear shifting electronic control mechanism of the internal transmission as described in claim 1, characterized in that: A signal transmission contact is provided between the control circuit board and the logic drive ring. The signal transmission contact is positioned in the positioning cylinder and includes a left-transmission signal spring finger, a right-transmission signal spring finger, and a common-pole spring.

5. The gear shifting electronic control mechanism of the internal transmission as described in claim 1, characterized in that: The logic drive ring is surrounded by a logic circuit made of conductive material, and has non-conductive bodies made of non-conductive material on the logic circuit.

6. The gear shifting electronic control mechanism of the internal transmission as described in claim 1, characterized in that: When there is one or more positioning seats for positioning the motor and logic drive ring, these positioning seats are separated by a spacer ring. The spacer ring is a hollow ring body, and there is a setting surface on the outside of the ring body for the spacer ring to be set at intervals.

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