TWM650383U - Twist-grip assembly for electric bicycles - Google Patents

Abstract

The new model is a handlebar assembly for electric bicycles, which includes a transmission body, an accelerator body, a handlebar, elastic parts and a control module. The transmission body includes a housing and an outer cover. One side of the housing is provided with a mounting groove. The other side of the housing is provided with a mounting post. The outer cover is combined with the housing and covers the notch of the mounting groove. The accelerator body is rotatably located in the mounting groove, the handle is rotatably sleeved on the mounting post, and the elastic member Combined with the accelerator body and the transmission body, it is used for reset. During operation, the control module provided on the transmission body or the accelerator body can sense the relative rotation of the two to control the start of the motor of the electric bicycle. By integrating the accelerator body into Inside the main body of the transmission, the distance that fingers need to move during operation is shortened, making operation convenient and safe.

Description

Handlebar components for electric bicycles

The present invention relates to electric bicycles, in particular to a handlebar assembly for electric bicycles.

Electric bicycles refer to vehicles that use batteries as auxiliary energy and are equipped with motors, controllers, batteries, handlebars, brake handles and other operating components and display instrument systems on the basis of ordinary bicycles. Electric bicycles can be equipped with an accelerator (or motor accelerator) and a shift handle at the front of the bike. The bicycle gear shifting function can be realized through the shift handle, and pure electric drive can be achieved through the accelerator, bringing great benefits to people's work and life. for convenience and fun.

For electric bicycles currently on the market, the accelerator and the shift handle are two separate, independent components, each with a shell that protects the internal structure. Therefore, after installation, the distance between the shift handle and the operating handle on the accelerator is relatively large. During operation, if you hold the shift handle firmly, it will be difficult for your thumb to press the handle on the accelerator. If you try to press the handle on the accelerator, you will be unable to hold the shift handle, which will cause the brakes to be delayed and cause safety problems. Hidden danger. Therefore, there is an urgent need to design a handlebar assembly for electric bicycles to solve the above problems.

In order to solve the problem of electric bicycles currently on the market, the accelerator and the gear shift handle are independent components, with a large distance after installation, and there are potential safety hazards in operation. The purpose of this new model is to propose a method that integrates the accelerator and the gear shift handle. A handlebar assembly for electric bicycles that can shorten the finger operating distance and reduce riding risks.

The new type of handlebar assembly for electric bicycles proposed to solve the technical problem includes: A transmission main body, which includes a casing and an outer cover. One side of the casing is provided with a mounting slot, and the other side of the casing is provided with a mounting post. The outer cover is combined with the casing and covers the the notch of the mounting groove; an accelerator body, which is located in the mounting groove and can rotate relative to the transmission body by external force; a rotating handle, which is rotatably sleeved on the mounting post of the housing; an elastic a component, the elastic component is combined with the transmission body and the accelerator body, and can drive the accelerator body and the transmission body to rotate relative to each other; and a control module, the control module is provided on the transmission body or the accelerator body, and can The relative rotation of the accelerator body and the transmission body is sensed to control a motor to start.

The handlebar assembly for electric bicycles, wherein the groove wall of the installation groove is recessed with a notch, the notch connects the inside of the installation groove and the outside of the housing, and the accelerator body is provided with a dial handle, The shift handle extends from the slot to the outside of the housing, and can be moved along the slot by external force, so that the accelerator body rotates relative to the transmission body.

In the handlebar assembly for an electric bicycle, the transmission body is provided with a first positioning post, the accelerator body is provided with a second positioning post, the elastic member is a tension spring, and the two opposite sides of the elastic member are The ends are respectively fixed on the first positioning post and the second positioning post.

In the handlebar assembly for an electric bicycle, the first positioning post is protruding in the installation groove, and the accelerator body is recessed with an arc-shaped opening. When the accelerator body and the transmission body rotate relative to each other, the accelerator body and the transmission body rotate relative to each other. The first positioning post moves along the arc-shaped opening.

In the handlebar assembly for an electric bicycle, the transmission body includes an arcuate chute that is recessed at the bottom of the mounting groove, and the accelerator body is provided with a sliding block. When inserted into the arcuate chute and the accelerator body and the transmission body rotate relative to each other, the sliding block is restricted in the arcuate chute and moves along the arcuate chute.

In the handlebar assembly for an electric bicycle, the transmission body includes a groove formed in the housing, and the control module is located inside the groove and includes a control unit and a A sensor is provided on the control unit and is electrically connected to the control unit. The accelerator body is provided with a trigger unit. When the accelerator body and the transmission body rotate relative to each other, the sensor can sense the trigger unit and transmit An electrical signal is sent to the control unit.

In the handlebar assembly for an electric bicycle, the sensor is a magnetic sensor, and the triggering unit is a magnetic steel sheet.

In the handlebar assembly for an electric bicycle, the transmission body includes a switch mounting groove, the switch mounting groove is formed in the housing, and the inside of the switch mounting groove is connected with the inside of the groove, and the switch mounting groove is connected with the inside of the groove. A switch unit is installed inside the switch installation slot, and the switch unit is electrically connected to the control unit.

In the handlebar assembly for an electric bicycle, the housing is provided with a wire hole, and the wire hole is connected to the outside of the housing, and is connected to the inside of the groove and the inside of the switch mounting groove.

In the handlebar assembly for an electric bicycle, the housing is provided with a cable hole, and the cable hole is connected to the outside of the housing and the inside of the mounting post.

The efficiency improvement obtained by the technical means of the present invention is that in the handlebar assembly for electric bicycles of the present invention, the accelerator body can be integrated into the transmission body through the mounting groove of the transmission body to form a whole body. The overall length occupied by the main body of the transmission is shortened, which greatly reduces the distance that fingers need to move during operation. It is not only convenient to operate, but also improves the safety when riding an electric bicycle.

10:Transmission body

11: Shell

110: Cable hole

111:Wire hole

112:Fixing hole

113:Combining hole

12: Outer cover

13:Installation slot

131:Protruding pillar

14: Installation column

15: missing slot

16: Arc chute

17:First positioning column

18: Groove

19:Switch installation slot

20:Accelerator body

21: Ring groove

22:Sliding block

23:Second positioning column

24: Trigger unit

25: Dial handle

26:Arc opening

27: Rubber sleeve

30:Turn the handle

40: Elastic parts

50:Control module

51:Control unit

52: Sensor

60: Switch unit

80:Battery module

90: Motor

Figure 1 is a three-dimensional appearance view of the preferred embodiment of the present invention.

Figure 2 is an exploded view of the preferred embodiment of the present invention.

Figure 3 is a rear side view of the preferred embodiment of the present invention.

Figure 4 is a bottom perspective view of the preferred embodiment of the present invention, omitting the cover plate and the handle from the rear side perspective.

Figure 5 is a front view of the preferred embodiment of the present invention with the cover plate omitted.

Figure 6 is a system block diagram of an electric bicycle using the preferred embodiment of the present invention.

Figure 7 is a three-dimensional partial cross-sectional view of the preferred embodiment of the present invention, omitting the cover plate and the rotating handle.

Figure 8 is a partial cross-sectional exploded view of the preferred embodiment of the present invention with the cover plate and the handle omitted.

Figure 9 is a front side view of the transmission main body omitting the cover plate according to the preferred embodiment of the present invention.

Figure 10 is an exploded view of the accelerator body of the preferred embodiment of the present invention.

Figure 11 is a top three-dimensional appearance view from the right rear side of the accelerator body according to the preferred embodiment of the present invention.

In order to understand the technical characteristics and practical effects of the present invention in detail, and to realize it according to the content of the new model, the preferred embodiments as shown in the figures are further described in detail as follows: Figures 1 to 3 and 6 As shown, a handlebar assembly for an electric bicycle according to a preferred embodiment of the present invention includes a transmission body 10, an accelerator body 20, a handlebar 30, an elastic member 40 and a control module 50. The accelerator body 20 The handle 30 is rotatably provided in the transmission body 10 , the handle 30 is rotatably provided in the transmission body 10 , the elastic member 40 is combined with the accelerator body 20 and the transmission body 10 , and the control module 50 can sense The rotation of the accelerator body 20 relative to the transmission body 10 is measured for subsequent control.

As shown in Figures 2 to 4, the transmission body 10 includes a housing 11 and an outer cover 12. A mounting slot 13 is recessed on one side of the housing 11 for the accelerator body 20 to be accommodated in the mounting slot. 13, and the mounting groove 13 is provided with a protruding post 131 for the accelerator body 20 to be sleeved. The other side of the transmission body 10 is provided with a mounting column 14 for the handlebar 30 to be rotatably sleeved. On top of it, the outer cover 12 The housing 11 is coupled with screws. As shown in Figures 2 and 5, the housing 11 and the outer cover 12 are each provided with a plurality of coupling holes 113. The bolts are threaded through the coupling holes 113 on the housing 11. The hole 113 and the combination hole 113 on the outer cover 12 can combine the outer cover 12 with the housing 11 and seal the outer cover 12 with the opening of the installation slot 13 to limit the accelerator body 20 to the into the installation slot 13.

As shown in FIGS. 5 and 8 , the accelerator body 20 has an annular structure and can be sleeved on the boss 131 of the installation groove 13 and accommodated in the installation groove 13 . Specifically, as shown in FIGS. 2 and 10 As shown in the figure, the accelerator body 20 includes an annular groove 21. The annular groove 21 surrounds a set of holes that can be sleeved with the boss 131. The accelerator body 20 is used to sleeve the boss of the mounting groove 13 of the transmission body 10. 131, the accelerator body 20 can rotate relative to the transmission body 10.

As shown in Figures 2, 5 and 8, in the preferred embodiment of the present invention, the housing 11 is also recessed with a notch 15, and the notch 15 connects the inside of the mounting groove 13 and the surface of the housing 11. Externally, the accelerator body 20 includes a dial handle 25, which is protruding from the outer peripheral wall of the annular groove 21. The dial handle 25 extends to the outside of the housing 11 through the missing groove 15, and the user can use his fingers to Press and turn the handle 25 to move along the slot 15, thereby causing the accelerator body 20 to rotate relative to the transmission body 10. In the preferred embodiment of the present invention, the accelerator body 20 also includes There is a rubber sleeve 27, which is fixedly connected to the dial handle 25, and is made of soft material to improve the comfort of pressing.

Specifically, in the preferred embodiment of the present invention, as shown in Figures 7 to 9, the housing 11 also includes an arcuate chute 16, which is recessed in the mounting groove 13. The bottom is arc-shaped with the axis of the housing 11 as the center. As shown in Figures 10 and 11, the accelerator body 20 includes a sliding block 22 extending from the bottom of the annular groove 21. and is inserted into the arcuate chute 16. By utilizing the concave-convex matching structure, when the accelerator body 20 rotates relative to the transmission body 10, the sliding block 22 is restricted in the arcuate chute 16 and slides along the arcuate chute 16. The movement of the groove 16 can provide a limiting effect to ensure the stability of the above-mentioned relative rotation and avoid deviation.

As shown in Figure 2, Figure 5, Figure 8 and Figure 9, in the preferred embodiment of the present invention, the speed change The accelerator body 10 includes a first positioning post 17, which is protruding from the bottom of the installation groove 13. As shown in Figures 2, 5 and 10, the accelerator body 20 includes a second positioning post. 23. The second positioning post 23 is protruding from the bottom of the annular groove 21. The elastic member 40 is a tension spring. The opposite ends of the elastic member 40 are respectively combined with the first positioning post 17 and the second positioning post 23. The positioning post 23 uses the elastic member 40 to pull the transmission body 10 and the accelerator body 20. When no external force is applied, the accelerator body 20 will not rotate arbitrarily relative to the transmission body 10, but when the handle is pressed or moved 25 When no force is applied after the accelerator body 20 rotates relative to the transmission body 10, the elastic restoring force of the elastic member 40 drives the accelerator body 20 to reversely rotate relative to the transmission body 10 and reset.

In the preferred embodiment of the present invention, the elastic member 40 using a tension spring is used in conjunction with the first positioning post 17 and the second positioning post 23 to complete the resetting action of the accelerator body 20 and facilitate the installation of the elastic member 40 and positioning. In other embodiments, the elastic member 40 can also be combined with other parts of the transmission body 10 and the accelerator body 20 , and the elastic member 40 can actually be a torsion spring, a compression spring, or other elastic components. The deformed components used to complete the elastic reset action are not limited to the preferred embodiments of the present invention.

In addition, in this preferred embodiment, the accelerator body 20 also includes an arc-shaped opening 26, which is recessed in the annular groove. When the accelerator body 20 rotates relative to the transmission body 10, the transmission The first positioning post 17 of the main body 10 moves along the arc-shaped opening 26 to prevent the accelerator body 20 from interfering with each other due to the first positioning post 17 when the accelerator body 20 rotates relative to the transmission body 10 .

As shown in FIGS. 7 to 9 , in the preferred embodiment of the present invention, the transmission body 10 further includes a groove 18 formed in the housing 11 , and the control module 50 is disposed in the groove. Inside the slot 18, and as shown in Figure 6, the control module 50 includes a control unit 51 and an inductor 52. The control unit 51 is electrically connected to the motor 90 and the battery module 80. The inductor 52 is electrically connected to the motor 90 and the battery module 80. The control unit 51 is electrically connected, and the accelerator body 20 is provided with a trigger unit 24. The control unit 51 is specifically a chip, and the sensor 52 is specifically a magnetic sensor provided on the chip. The trigger unit 24 is specifically as a magnet The steel plate, regarding the way in which the accelerator body 20 rotates relative to the transmission body 10 to start the motor operation, is as follows.

When the accelerator body 20 is rotated relative to the transmission body 10 , the trigger unit 24 moves and passes through the control module 50 and is sensed by the sensor 52 on the control module 50 . The sensor 52 When the trigger unit 24 is sensed passing by, an electrical signal can be transmitted to the control unit 51, and the control unit 51 can be used to start the motor 90, as shown in Figures 2 to 4. Specifically, the housing 11 also A wire hole 111 is disposed therethrough, and the wire hole 111 is connected to the outside of the housing 11 and the inside of the groove 18 . The wire hole 111 can be used for the power cord to pass through, so that the control module 50 can be electrically connected. The aforementioned battery module 80 and motor 90 enable the battery module 80 to provide power to the motor 90 .

Further, as shown in Figures 7 to 9, in the preferred embodiment of the present invention, the transmission body 10 also includes a switch mounting groove 19. The switch mounting groove 19 is formed in the housing 11 and is connected with the groove. 18 and the wire hole 111 are connected, and a switch unit 60 is installed inside the switch installation slot 19. As shown in Figure 6, the switch unit passes between the control unit 51 of the control module 50 and the battery module 80. 60 is electrically connected. The switch unit 60 is provided with a button protruding from the outside of the housing 11. Before starting the motor 90, you need to press the button of the switch unit 60 to connect the circuit from the battery module 80 to the motor 90. , and then turn the handle 25 to allow the control module 50 to sense the rotation of the accelerator body 20 relative to the transmission body 10, then the battery module 80 can supply power to the motor 90 and start the motor 90, which can avoid the 90 is started by accidentally turning the handle 25.

In the preferred embodiment of the present invention, the sensor 52 using a magnetic sensor and the trigger unit 24 using a magnetic steel sheet are used to sense the rotation of the accelerator body 20 relative to the transmission body 10 in a magnetic induction manner, thereby achieving The effect of starting the motor. In other embodiments, the sensor 52 of the control module 50 and the trigger unit 24 can also use other known sensing methods to sense the rotation of the accelerator body 20 relative to the transmission body 10 , is not limited to the preferred embodiment of the present invention; in addition, the control module 50 can also be disposed at other positions of the handle assembly, as long as the control module 50 can sense The rotation of the accelerator body 20 relative to the transmission body 10 controls the start of the motor 90 . The position of the control module 50 is not limited to the preferred embodiment of the present invention.

As shown in Figures 2 and 3, the handlebar 30 is rotatably mounted on the mounting post 14 of the transmission body 10. The cyclist can achieve the effect of shifting gears by rotating the handlebar 30. Specifically, As shown in Figures 2, 5 and 9, the housing 11 is also provided with a cable hole 110, which is connected to the outside of the housing 11 and the inside of the mounting post 14. One end of the cable penetrates into the housing 11 through the cable hole 110 and is connected to the handlebar 30 set on the mounting post 14, and the other end of the transmission cable is connected to the bicycle's transmission, so that By rotating the handle 30, the gear is shifted, and part of the gear cable can be hidden.

In the preferred embodiment of the present invention, the rubber sleeve 27 fixedly connected to the handle 25 and the outer circumferential surface of the handlebar 30 can also be provided with a plurality of anti-skid protrusions or anti-skid protrusions to ensure that the cyclist can Press and turn the handle 25 steadily or hold the handle 30 stably.

The handlebar assembly for an electric bicycle provided by the present invention is installed on the faucet of an electric bicycle. As shown in Figure 2, the housing 11 is provided with a fixing hole 112, and the handlebar assembly can be socketed through screws. It is fixed on the handlebar of the faucet. When riding, hold the handlebar 30 to control the forward direction of the electric bicycle. When it is necessary to change gears, the gearshift can be easily completed by rotating the handlebar 30 that is sleeved on the mounting post 14. When it is necessary to drive the bicycle electrically, the handle 25 is turned to cause the accelerator body 20 to rotate relative to the transmission body 10, and the motor of the electric bicycle is started through the aforementioned sensing and control methods to achieve electric driving. As a result, the elastic member 40 then pushes the accelerator body 20 to return to the initial position, so that the handle 25 can be turned to start the motor during the next ride.

In the new type of handlebar assembly for electric bicycles, the accelerator body 20 can be inserted into the transmission body 10 through the mounting groove 13 of the transmission body 10, thereby connecting the transmission body 10 related to mechanical shifting with the electric drive. The related accelerator body 20 is integrated into a whole, and the total length occupied by the accelerator body 20 and the transmission body 10 is shortened from 84 millimeters (mm) to 65 mm. centimeters, which greatly reduces the distance that fingers need to move during operation. It is not only convenient to operate, but also improves the safety when riding an electric bicycle.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Anyone with ordinary knowledge in the technical field may use the present invention without departing from the scope of the technical solutions proposed by the present invention. Equivalent embodiments with partial changes or modifications to the technical content disclosed in the new model, and which do not deviate from the technical solution content of the present new model, still fall within the scope of the technical solution of the present new model.

10:Transmission body

11: Shell

12: Outer cover

15: missing slot

20:Accelerator body

25: Dial handle

27: Rubber sleeve

30:Turn the handle

Claims (10)

A handlebar assembly for an electric bicycle, which includes: a transmission body, which includes a housing and an outer cover. One side of the housing is provided with a mounting slot, and the other side of the housing is provided with a mounting post. , the outer cover is combined with the housing and covers the notch of the installation groove; an accelerator body, which is located in the installation groove, and can rotate relative to the transmission body by external force; a rotating handle, which can rotate Sleeved on the mounting post of the housing; an elastic member, the elastic member is combined with the transmission body and the accelerator body, and can drive the accelerator body and the transmission body to rotate relative; and a control module, the control module It is assembled on the transmission body or the accelerator body, and can sense the relative rotation of the accelerator body and the transmission body to control the start of a motor. The handlebar assembly for an electric bicycle as described in claim 1, wherein the groove wall of the installation groove is recessed with a notch, and the notch connects the inside of the installation groove and the outside of the casing, and the accelerator body is provided with There is a dial handle, which extends from the slot to the outside of the housing and can be moved along the slot by external force, so that the accelerator body rotates relative to the transmission body. The handlebar assembly for an electric bicycle according to claim 1, wherein the transmission body is provided with a first positioning post, the accelerator body is provided with a second positioning post, the elastic member is a tension spring, and the elastic member is a tension spring. The opposite ends of the component are respectively fixed on the first positioning post and the second positioning post. The handlebar assembly for an electric bicycle according to claim 3, wherein the first positioning post is protruding in the installation groove, the accelerator body is recessed with an arc-shaped opening, and the accelerator body is opposite to the transmission body. When rotating, the first positioning post moves along the arc-shaped opening. The handlebar assembly for an electric bicycle according to claim 1, wherein the transmission body includes an arcuate slide groove that is recessed at the bottom of the mounting groove, and the accelerator body A sliding block is provided. The sliding block is inserted into the arcuate chute. When the accelerator body and the transmission body rotate relative to each other, the sliding block is restricted in the arcuate chute and moves along the arcuate chute. The handlebar assembly for an electric bicycle according to claim 1, wherein the transmission body includes a groove formed in the housing, the control module is located inside the groove, and includes a A control unit and a sensor. The sensor is provided on the control unit and is electrically connected to the control unit. The accelerator body is provided with a trigger unit. When the accelerator body and the transmission body rotate relative to each other, the sensor can sense the The trigger unit transmits an electrical signal to the control unit. The handlebar assembly for an electric bicycle as described in claim 6, wherein the sensor is a magnetic sensor, and the triggering unit is a magnetic steel sheet. The handlebar assembly for an electric bicycle according to claim 6, wherein the transmission body includes a switch mounting groove, the switch mounting groove is formed in the housing, and the inside of the switch mounting groove is in contact with the inside of the groove. Communicated, a switch unit is installed inside the switch installation slot, and the switch unit is electrically connected to the control unit. The handlebar assembly for an electric bicycle as described in claim 8, wherein the housing is provided with a wire hole, the wire hole is connected to the outside of the housing, and is connected to the inside of the groove and the inside of the switch mounting groove. Connected. The handlebar assembly for an electric bicycle according to claim 1, wherein the housing is provided with a cable hole, and the cable hole is connected to the outside of the housing and the inside of the mounting post.

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