CN117006172A - Gear switching electric control mechanism of internal speed changer - Google Patents

Abstract

The invention provides a gear switching electric control mechanism of an internal transmission, which mainly comprises 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 inner accommodating space between the involutable electric control base and the electric control base side cover, a wireless or wired signal receiving mode is utilized to receive a gear shifting signal to a controller on the control circuit board, the controller on the control circuit board drives the motor to actuate, so that the motor drives the logic driving ring to rotate, and the positioning rotation angle of a logic loop on the logic driving ring reaches the position of a target gear, thereby achieving the practical effect and the purpose of simple and accurate gear electric control switching of the internal transmission.

Description

Internal transmission gear switching electronic control mechanism

Technical field

The present invention relates to the field of electronically controlled transmission switching, in particular to an electronic control mechanism for gear switching of a bicycle's internal transmission.

Background technique

Generally, common bicycle transmissions are divided into traditional exposed transmissions and innovatively designed internal transmissions hidden in the wheel hub. The transmission control methods of related transmissions include manual control and electric control.

In the technologies related to electronically controlled transmission switching and shifting, although they all have the function of electronically controlled shifting, due to the constraints and limitations of different inventive thinking and technical thinking, the research and development of related technologies has complex structures, many components, and high costs. In addition, the volume and weight are not streamlined enough, which results in unsatisfactory industrial usability and economic efficiency.

Contents of the invention

The main purpose of the present invention is to provide an internal transmission gear switching electronic control mechanism with a simplified structure, few components, low cost, light volume and good practicability.

The gear switching electronic control mechanism of the transmission in the present invention mainly includes: an electronic control base, a control circuit board, a motor, a logic drive ring and an electronic control base side cover; wherein the control circuit board, motor and logic drive ring are The internal accommodation space is assembled between the collapsible electric control base and the side cover of the electric 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. The motor gear drives the logic drive ring to rotate, and the electronic control switching of the gear is completed by positioning the rotation angle of the logic circuit on the logic drive ring to the position of the target gear.

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.

As an embodiment of the present invention, the positionable and rotatable logical drive ring is provided with a logical drive ring gear meshed with a motor gear linked to the motor.

As an embodiment of the present invention, signal transmission contacts are provided between the control circuit board and the logic circuit on the logic drive ring.

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

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 on the positioning cylinder, and the signal transmission contact includes a left signal spring finger, a right transmission contact Signal shrapnel fingers and common pole shrapnel.

As an embodiment of the present invention, the outside of the logic drive ring is a logic circuit made of conductive material, and there is a non-conductor made of non-conductive material on the logic circuit.

As an embodiment of the present invention, when there are more than one positioning seats for positioning the motor and the logic drive ring, the more than one positioning seats are separated by a spacer ring. The spacer ring is a hollow ring body, outside the ring body. There is a setting surface for more than one positioning seat to be set at intervals.

The beneficial effects of the present invention include: (1) providing an internal transmission gear switching electronic control mechanism with a simplified structure, few components, low cost, light volume and good practicability.

(2) Provide an internal transmission gear switching electronic control mechanism that can complete gear shifting through repeated precise angle rotation and positioning actions.

(3) Provide an internal transmission gear switching electronic control mechanism that is safe, practical, and highly industrially applicable and economically beneficial.

Description of the drawings

Figure 1 is a schematic assembly diagram of the first embodiment of the present invention.

Figure 2 is a cross-sectional view after assembly of the first embodiment of the present invention.

Figure 3: A logic drive loop according to the first embodiment of the present invention.

Figure 4 is an example of a logical representation of the 4-stage gear angle control of the logical drive ring according to the first embodiment of the present invention.

Figure 5 is a schematic assembly diagram of the second embodiment of the present invention.

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

Figure 7 is a schematic diagram of the combination of the motor, logic drive ring and signal transmission contacts according to the second embodiment of the present invention.

FIG. 8 is a schematic diagram of the matching and linkage between the motor and the logic drive ring according to the second embodiment of the present invention.

Figure 9 is a schematic diagram of the rotation of the motor-linked logic drive ring according to the second embodiment of the present invention.

Figure 10 is a schematic diagram of the rotation setting angle of the motor-linked logic drive ring according to the second embodiment of the present invention.

Figure 11 is a schematic diagram of a spacer ring according to the second embodiment of the present invention.

Figure 12 is a schematic diagram of the positioning base according to the second embodiment of the present invention.

Figure 13 is a schematic diagram of the positioning base from another perspective according to the second embodiment of the present invention.

In the picture:

1 electric control base; 2 control circuit board; 21 left signal shrapnel finger; 21b right signal shrapnel finger; 21c common pole shrapnel;

3 motor; 31 motor gear; 4 logic drive ring; 41 logic loop; 411 non-conductor; 42 logic drive ring gear;

5 electric control base side cover; 6 positioning cylinder; 7 spacer ring; 71 setting surface.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific examples, so that those skilled in the art can better understand the present invention and implement it, but the examples are not intended to limit the present invention.

Please refer to FIGS. 1 to 4 , which show a first embodiment of an electronic control mechanism for gear switching in a transmission of the present invention. FIGS. 5 to 13 show a second embodiment of the present invention. As shown in the figures, the first embodiment of the present invention Both the embodiment and the second embodiment have the same main inventive components with the same technical inventive features, including: electric control base 1, control circuit board 2, motor 3, logic drive ring 4 and electric control base side cover 5.

As shown in the first embodiment shown in Figures 1 to 4, the main components of the invention include: electric control base 1, control circuit board 2, motor 3, logic drive ring 4 and electric control base side cover 5; among which: There is a positioning seat 6 for positioning and assembling the motor 3 and the logic drive ring 4 between the inner wall of the control base 1 and the inner wall of the electric control base side cover 5; the logic circuit on the control circuit board 2 and the logic drive ring 4 There are signal transmission contacts 21 between them. The signal transmission contacts 21 are arranged on the control circuit board 2. The logic circuit 41 of the logic drive ring 4 can implement angle control of more than 2 gears (as shown in Figures 3 and 4). As shown (taking 4-stage gear angle control as an example), the controller shift signal reception of the control circuit board 2 is received by wireless or wired signal reception; it is positioned and assembled on the side of the electronic control base 1 and the electronic control base The rotatable logic drive ring 4 at the positioning seat 6 between the covers 5 is provided with a logic drive ring gear 42 that is meshed with the motor gear 31 of the motor 3 .

The above-mentioned control circuit board 2, motor 3, and logic drive ring 4 are assembled in the internal accommodation space between the collapsible electric control base 1 and the side cover 5 of the electric control base. The controller receives the shift signal, and the controller on the control circuit board 2 drives the motor 3 to operate, so that the motor gear 31 of the motor 3 drives the logic drive ring 4 to rotate, and the rotation angle is positioned to the target through the logic loop 41 on the logic drive ring 4 The gear position is used to complete the electronically controlled switching of gears.

Please refer to Figures 5 to 13 again for the second embodiment of the present invention. The main components of the invention include: electric control base 1, control circuit board 2, motor 3, logic drive ring 4 and electric control base side cover 5 ; Among them: a positioning seat 6 for positioning and assembling the motor 3 and the logic drive ring 4 is provided between the inner wall surface of the electric control base 1 and the inner wall surface of the side cover 5 of the electric control base; the control circuit board 2 and the logic drive ring 4 There are signal transmission contacts between them. The signal transmission contacts are positioned on the positioning seat 6. The signal transmission contacts include a left signal spring finger 21a, a right signal spring finger 21b and a common pole spring 21c. The logic drive ring 4 The outside is a logic circuit 41 made of conductive material, and there is a non-conductive body 411 made of non-conductive material on the logic circuit 41. When the logic drive ring 4 rotates, the non-conductive body 411 can transmit the signal from the right shrapnel finger. 21b rotates to the left signal shrapnel finger 21a, so that the left signal shrapnel finger 21a senses OFF and stops rotating, completing the transmission of a speed change command. As shown in the figure, the logic drive ring completes a rotation of 180 degrees, as an example of a precise angle rotation positioning action. , in this way, the electronically controlled switching of gears can be completed by the repeated precise angle rotation and positioning actions of the logic drive ring 4 through the alternating transformation of the left signal dome finger 21a and the right signal dome finger 21b.

The controller shift signal of the control circuit board 2 is received by wireless or wired signal reception; the rotatable logic drive is assembled at the positioning base 6 between the electric control base 1 and the electric control base side cover 5 The ring 4 is provided with a logic drive ring gear 42 that is meshed with the motor gear 31 of the motor 3; and the control circuit board 2, the motor 3, and the logic drive ring 4 are assembled on the collapsible electronic control base 1 and the electronic control unit. The internal accommodation space between the side covers 5 of the base uses the controller on the control circuit board 2 to receive the shift signal, and the controller on the control circuit board 2 drives the motor 3 to act, causing the motor gear 31 of the motor 3 to drive The logic drive ring 4 rotates, and a signal transmission contact is provided between the control circuit board 2 and the logic drive ring 4 to detect the logic circuit 41 on the logic drive ring 4 to position the rotation angle to the position of the target gear to complete the gear position. Electronically controlled switching, when there is more than one positioning seat 6 for the positioning of 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. The outside of the ring body is provided with a setting surface 71 for more than one positioning seat 6 to be arranged at intervals.

Based on the above embodiments of the same technical invention, the following practical benefits can be truly and effectively produced:

(1) It can truly provide an internal transmission gear switching electronic control mechanism with a simplified structure, few components, low cost, light volume, and good practicality.

(2) Provide an internal transmission gear switching electronic control mechanism that can complete gear changes by repeatedly rotating and positioning at precise angles.

(3) It can truly provide a safe, practical, industrially applicable and economically beneficial internal transmission gear switching electronic control mechanism.

The above-described embodiments are only preferred embodiments to fully illustrate the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are within the protection scope of the present invention. The protection scope of the present invention shall be determined by the claims.

Claims (10)

1. A gear shifting electronic control mechanism of an internal transmission, comprising: the device comprises 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 the inner accommodating space between the involutory electric control base and the electric control base side cover; the method is characterized in that: the controller on the control circuit board is used for receiving a gear shifting signal, the controller on the control circuit board drives the motor to act, the motor gear of the motor drives the logic driving ring to rotate, and the logic circuit on the logic driving ring is used for positioning the rotation angle to the position of the target gear to complete the electric control switching of the gear.

2. The gear shifting electronic control mechanism of an internal transmission according to claim 1, wherein: the controller shift signal on the control circuit board is received by a wireless signal or a wired signal receiving mode.

3. The gear shifting electronic control mechanism of an internal transmission according to claim 1, wherein: the logic driving ring capable of positioning and rotating is provided with a logic driving ring gear which is meshed with a motor gear linked with the motor.

4. The gear shifting electronic control mechanism of an internal transmission according to claim 1, wherein: the control circuit board is provided with a number of signal transmission contacts equal to the number of logic loops on the logic driving ring.

5. A gear shifting electronic control mechanism of an internal transmission, comprising: the device comprises an electric control base, a control circuit board, a motor, a logic driving ring and an electric control base side cover; wherein: a positioning cylinder for positioning and assembling the motor and the logic driving ring is arranged between the inner side wall surface of the electric control base and the inner side wall surface of the side cover of the electric control base; the method is characterized in that: the controller on the control circuit board is used for receiving a gear shifting signal, the controller on the control circuit board drives the motor to act, so that a motor gear of the motor drives the logic driving ring to rotate, and a signal transmission contact piece is arranged between the control circuit board and the logic driving ring to detect that a logic loop on the logic driving ring positions a rotation angle to a target gear position, so that the electric control switching of the gear is completed.

6. The gear shifting electronic control mechanism of the internal transmission according to claim 5, wherein: the controller shift signal on the control circuit board is received by a wireless signal or a wired signal receiving mode.

7. The gear shifting electronic control mechanism of the internal transmission according to claim 5, wherein: the logic driving ring capable of positioning and rotating is provided with a logic driving ring gear which is meshed with a motor gear linked with the motor.

8. The gear shifting electronic control mechanism of the internal transmission according to claim 5, wherein: a signal transmission contact piece is arranged between the control circuit board and the logic driving ring, the signal transmission contact piece is positioned and arranged on the positioning cylinder, and the signal transmission contact piece comprises a left signal transmission spring finger, a right signal transmission spring finger and a common pole spring.

9. The gear shifting electronic control mechanism of the internal transmission according to claim 5, wherein: the outside of the logic driving ring is a logic loop made of conductive material, and a non-conductive body made of non-conductive material is arranged on the logic loop.

10. The gear shifting electronic control mechanism of the internal transmission according to claim 5, wherein: when the number of the positioning seats for positioning the motor and the logic driving ring is more than one, the more than one positioning seats are separated by a spacing ring, the spacing ring is a hollow ring body, and the outside of the ring body is provided with a setting surface for arranging the more than one positioning seats at intervals.