CN216928366U - Acceleration rotating handle switch assembly of four-wheel motorcycle - Google Patents

Abstract

The utility model provides an accelerating rotating handle switch assembly of a four-wheel motorcycle, which comprises a shell, an accelerating deflector rod arranged on the shell and a change-over switch component, the change-over switch component comprises a circuit board, a rotating disc, a toggle disc and a conducting strip which are positioned on the shell, the shell is provided with a shell cover, the circuit board is fixed in the shell cover, the rotating disc is provided with a movable block positioned above the circuit board, the bottom of the conductive sheet is provided with a first movable contact, the circuit board is arc-shaped, both ends of the poking disc are provided with first stationary contacts, the bottom of the poking disc is provided with a connecting column which is fixedly connected with the rotating disc, the shell cover is provided with an arc-shaped groove which is matched with the connecting column in a sliding way, the first movable contact drives the rotating disc to rotate by controlling the poking disc, the first static contact at one end of the circuit board is conducted, and the two-drive or four-drive switching function is realized. The utility model is convenient for adjusting two-wheel drive or four-wheel drive and can be convenient for controlling the on-off of the front axle and the rear axle.

Description

Acceleration rotating handle switch assembly of four-wheel motorcycle

Technical Field

The utility model relates to the technical field of motorcycle rotating handles, in particular to an accelerating rotating handle switch assembly of a four-wheel motorcycle.

Background

The motorcycle is a vehicle using engine power, generally uses two wheels in front and back, in order to facilitate the control of each part on the motorcycle by a driver in the driving process, a switch assembly of the motorcycle is arranged on a rotating handle, the switch assembly mainly comprises a shell, an emergency switch component, a horn switch component, a steering switch component, a start-stop switch component and a light switch component, the emergency switch component, the horn switch component, the steering switch component, the start-stop switch component and the light switch component are arranged on the shell, and a mounting hole for mounting a handle of the motorcycle is arranged on the shell. The existing four-wheel cross country motorcycle is widely popular, and the accelerating rotating handle of most four-wheel cross country motorcycles adopts the same accelerating rotating handle as the common motorcycle, so that a user can not adjust the accelerating rotating handle according to the actual use requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide an acceleration twist grip switch assembly that facilitates adjustment and switching of four-wheel drive.

Aiming at the problems, the following technical scheme is provided: an accelerating rotating handle switch assembly of a four-wheel motorcycle comprises a shell, an accelerating driving lever arranged on the shell and a change-over switch component, wherein the change-over switch component comprises a circuit board, a rotating disc, a shifting disc and a conducting plate which are arranged on the shell, the shell is arranged on the shell, the circuit board is fixed in the shell, the rotating disc is provided with a movable block which is arranged above the circuit board, the bottom of the movable block is provided with a slot for installing the conducting plate, the bottom of the conducting plate is provided with a first movable contact, the circuit board is arc-shaped, two ends of the circuit board are respectively provided with a first fixed contact, the bottom of the shifting disc is provided with a connecting column which is fixedly connected with the rotating disc, the shifting disc is arranged above the shell, the shell is provided with an arc-shaped groove which is matched with the connecting column in a sliding way, the arc length of center holes at two ends of the arc-shaped groove is equal to the arc length between the center holes of the first fixed contacts at two ends of the circuit board, the outer circumferential wall of the poking disc is provided with a poking block, and the first movable contact drives the rotating disc to rotate by controlling the poking disc, so that the first stationary contact at one end of the circuit board is conducted, and the switching function of two-drive or four-drive is realized.

In the structure, the toggle plate is controlled to rotate by the toggle block, the toggle plate controls the rotating disc to drive the movable block to rotate by the connecting column, the connecting column is limited by two ends of the arc-shaped groove, when the connecting column is abutted against the end part of the arc-shaped groove, the rotating disc rotates to a maximum angle, the first movable contact is abutted and conducted with the first stationary contact at one end of the circuit board in the relative rotating direction, so that the switching between two-wheel drive or four-wheel drive of the four-wheel motorcycle can be realized, and the switching switch assembly is arranged on the accelerating rotating handle, so that the operation of a user can be facilitated, and the convenience of the four-wheel motorcycle is improved.

The utility model is further arranged in such a way that an upward convex boss is arranged between the two arc-shaped grooves on the shell cover, an annular groove is arranged on the boss, and a convex ring matched with the annular groove is arranged at the bottom of the toggle plate.

In the structure, the convex ring is matched with the annular groove, so that the stability of the toggle plate in rotation relative to the shell cover can be improved, the toggle plate can be limited, the compactness of the structure of the utility model is improved, and the reliability of the utility model is improved.

The utility model is further provided with a rear axle switch component and a front axle switch component, wherein the rear axle switch component and the front axle switch component both comprise a pressing component, the rear axle switch component also comprises a key shaft and a rear axle key arranged on the key shaft, a through hole penetrating through the cover shell and the rotating disc is arranged at the center of the dial disc, the key shaft and the through hole are coaxially arranged, the pressing component comprises a switch shell, a switch wiring board, a slide block, a gear trip, a limit elastic sheet, a conductive sheet and a reset spring, the switch shell is buckled on the outer wall of the switch circuit board, the slide block is positioned in the switch shell, the top of the slide block is provided with a clamping groove in clamping fit with the key shaft, the conductive sheet is movably inserted at one side of the slide block facing the switch wiring board, the switch wiring board is provided with second stationary contacts, and the second stationary contacts are arranged in three groups at intervals relative to the switch wiring board, the switch is characterized in that a second movable contact is arranged on the electricity transmission piece towards the switch wiring board, a limiting cavity is formed in one side, facing the switch shell, of the sliding block, a clamping groove used for clamping a limiting elastic piece is formed in one side, facing the sliding block, of the switch shell, a limiting groove is formed in the upper portion of the clamping groove, one end of the gear clamping hook is clamped in the limiting groove, the other end of the gear clamping hook abuts against the limiting cavity, the elastic end of the limiting elastic piece abuts against the gear clamping hook, a stop block is arranged in the limiting cavity, the reset spring is located at the bottom of the sliding block and abuts against the bottom wall of the switch shell, the sliding block is pressed through inching, the bottom end of the gear clamping hook abuts against the bottom end of the limiting cavity or abuts against the top end of the stop block, switching conduction between the second movable contact and second stationary contacts of different groups is matched, and connection and disconnection of a rear axle are achieved.

In the structure, in an initial state, the second movable contact of the power transmission piece is abutted and conducted with the two groups of second fixed contacts on the switch lower line plate, and the bottom of the gear clamping hook is abutted with the bottom of the limiting cavity. The rear axle key is pressed to enable the key shaft to axially displace relative to the through hole, the sliding block is controlled to drive the power transmission piece to displace downwards, the bottom end of the limiting cavity displaces downwards relative to the gear clamping hook, the bottom end of the gear clamping hook is guided to the position above the stop block, the sliding block moves upwards through the elastic force of the reset spring by releasing the rear axle key, the stop block abuts against the gear clamping hook, and at the moment, a second movable contact of the power transmission piece abuts against and is conducted with two groups of second stationary contacts below; when the rear axle key is pressed again, the gear clamping hook moves to the initial position of the gear clamping hook along the opening guide direction of the limiting cavity, and the sliding block moves to the initial position through the elastic force of the return spring, so that a user can control the on-off of the rear axle by clicking the rear axle key, and the convenience of the utility model is improved. The bottom end of the gear clamping hook can be always abutted against the limiting cavity of the sliding block through the limiting elastic sheet, even if the gear clamping hook can be always positioned on the same horizontal plane of the central axis of the key, so that the sliding block can be fixed through the guiding of the limiting cavity in the sliding block, the on-off switching of a rear axle is realized, and the reliability of the gear clamping hook is improved.

The limiting cavity further comprises a first guide groove, a second guide groove, a third guide groove and a fourth guide groove, the first guide groove extends towards the stop block, the second guide groove is positioned on the upper side of the first guide groove in the height direction, the opening depth of the second guide groove is deeper than that of the first guide groove, the third guide groove is formed in the top of the stop block, the opening depth of the third guide groove is deeper than that of the second guide groove, the fourth guide groove is positioned on the outer side of the stop block, the opening depth of one end of the fourth guide groove is deeper than that of the third guide groove, and the other end of the fourth guide groove extends downwards towards the first guide groove until the end surface of the fourth guide groove is higher than that of the first guide groove.

In the structure, press the rear axle button, the slider moves downwards, gear trip bottom is from the inner wall of first guide way to the second guide way after, release the rear axle button, the slider moves upwards, the gear trip bottom gets into the third guide way that offsets with the dog from the second guide way, the slider stops the displacement, press the rear axle button once more, the slider moves downwards, gear trip bottom is derived to the fourth guide way from the third guide way, release the rear axle button, the slider moves upwards, gear trip bottom is from the leading-in initial position to the first guide way in of fourth guide way. When the bottom end of the gear clamping hook is positioned in the first guide groove and the third guide groove, the rear axle is switched on and off. By adopting different depths, reverse displacement of the gear clamping hook can be avoided, so that a better limiting and guiding effect can be achieved on the gear clamping hook, and the reliability of the gear clamping hook is improved.

The utility model is further arranged in such a way that the strokes of the outer wall of the stop block relative to the gear clamping hooks are all arranged in an arc shape to form a guide surface.

By adopting the structure, the sliding block can conveniently generate certain offset guide for the gear clamping hook, so that the sliding block can be fixedly positioned, and the reliability of the utility model is improved.

The utility model is further set that two ends of the power transmission piece are provided with plug pins, and the sliding block is provided with sockets matched with the plug pins.

In the structure, the connection strength between the power transmission piece and the sliding block can be improved through the matching of the plug pins and the sockets, so that the reliability of the utility model is improved.

The utility model is further provided that one side of the electricity transmission sheet facing the sliding block is provided with a pressing spring which is abutted against the electricity transmission sheet.

By adopting the structure, the elastic force generated by the compression spring can play a role of compressing the conducting sheet towards the second fixed contact, so that the reliability of the second movable contact and the second fixed contact in butting is improved, and the stability of the utility model is improved.

The utility model is further provided that a sealing sleeve matched with the through hole on the shell cover is sleeved on the key shaft.

By adopting the structure, the sealing performance between the key shaft and the shell cover can be improved, so that the dustproof and waterproof effect of the keyboard is improved, and the service life of the keyboard is prolonged.

The utility model is further configured that the front axle switch assembly further comprises a front axle key which is in linkage connection with the sliding block.

By adopting the structure, the front axle key can be matched with the corresponding pressing mechanism to realize the on-off of the front axle, thereby improving the convenience of the operation of the utility model.

The utility model is further arranged that positioning blocks are arranged on two opposite side walls of the clamping groove, and positioning grooves matched with the positioning blocks are arranged on the outer circumferential wall at the bottom end of the key shaft.

In the structure, the positioning block is in inserted fit with the positioning groove, so that the assembly of the utility model can be facilitated, the sliding block can be further limited, the linkage between the key shaft and the sliding block can be improved, and the reliability of the utility model is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle according to the present invention.

FIG. 2 is a schematic diagram of a second perspective view of the present invention.

Fig. 3 is a schematic structural view of the inside of the housing of the present invention.

Fig. 4 is a schematic structural view of the housing and the rotating disc in the utility model.

Fig. 5 is a schematic structural view of the dial plate of the present invention.

Fig. 6 is a schematic view of the structure of the rotating disc and the circuit board in the utility model.

FIG. 7 is a schematic view of the structure of the conductive sheet of the present invention mated with the circuit board.

Fig. 8 is a schematic structural diagram of a rear axle switch assembly according to the present invention.

Fig. 9 is a schematic cross-sectional view of a rear axle switch assembly according to the present invention.

Fig. 10 is a schematic cross-sectional view of the slider and switch wiring board of the present invention.

FIG. 11 is a first perspective view of the slider of the present invention.

FIG. 12 is a second perspective view of the slider of the present invention.

FIG. 13 is a schematic cross-sectional view of the slider and the conductive sheet of the present invention.

The reference numbers in the figures mean: 1-a shell; 2-accelerating deflector rod; 3-a diverter switch assembly; 31-a circuit board; 32-a rotating disc; 33-a dial plate; 34-a conductive sheet; 4-a housing cover; 321-a movable block; 341-first moving contact; 311-a first stationary contact; 331-connecting column; 41-arc groove; 332-a shifting block; 42-boss; 421-an annular groove; 333-convex ring; 5-a rear axle switch assembly; 6-a front axle switch assembly; 51-a pressing assembly; 52-key shaft; 53-rear axle keys; 7-a through hole; 511-switch housing; 512-switch terminal board; 513-a slider; 514-gear trip; 515-a limit spring plate; 516-a conducting sheet; 517-a return spring; 5131-a snap groove; 5121-a second stationary contact; 5161-second moving contact; 5132-a limiting cavity; 5111-card slot; 5112-a limiting groove; 8-a stop block; 5133-a first guide groove; 5134-a second guide groove; 5135-third guide groove; 5136-fourth guide groove; 5162-prong; 5137-a socket; 5138-compression spring; 9-sealing sleeve; 61-front axle keys; 5139-locating block.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, back, transverse, longitudinal) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the movement condition, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

As shown in fig. 1 to fig. 13, the switch assembly for accelerating the turning handle of the four-wheeled motorcycle comprises a casing 1, an accelerating deflector rod 2 arranged on the casing 1, and a change-over switch assembly 3, wherein the change-over switch assembly 3 comprises a circuit board 31, a rotating disc 32, a turning disc 33 and a conducting strip 34 which are arranged on the casing 1, a casing 4 is arranged on the casing 1, the circuit board 31 is fixed in the casing 4, the rotating disc 32 is provided with a movable block 321 which is arranged above the circuit board 31, the bottom of the movable block 321 is provided with a slot for installing the conducting strip 34, the bottom of the conducting strip 34 is provided with a first movable contact 341, the circuit board 31 is arc-shaped, both ends of the circuit board are provided with first stationary contacts 311, the bottom of the turning disc 33 is provided with a connecting column 331 which is fixedly connected with the rotating disc 32, the turning disc 33 is arranged above the casing 4, an arc-shaped groove 41 which is in sliding fit with the connecting column 331 is arranged on the casing 4, the arc length of the center holes at the two ends of the arc-shaped groove 41 is equal to the arc length between the center holes of the first stationary contacts 311 at the two ends of the circuit board 31, the shifting block 332 is arranged on the outer circumferential wall of the shifting disk 33, and the first movable contact 341 drives the rotating disk 32 to rotate by controlling the shifting disk 33, so that the first stationary contact 311 at one end of the circuit board 31 is conducted, and the switching function of two-drive or four-drive is realized.

In the structure, the poking disc 33 is controlled to rotate through the poking block 332, the poking disc 33 controls the rotating disc 32 to drive the movable block 321 to rotate through the connecting column 331, the connecting column 331 is limited through two ends of the arc-shaped groove 41, when the connecting column 331 abuts against the end part of the arc-shaped groove 41, the rotating disc 32 rotates to the maximum angle, the first movable contact 341 abuts against and is communicated with the first stationary contact 311 at one end, relative to the rotating direction, of the circuit board 31, so that switching between two drives or four drives of the four-wheel motorcycle can be realized, the change-over switch assembly 3 is arranged on the accelerating rotating handle, operation of a user can be facilitated, and convenience are improved.

In this embodiment, a boss 42 protruding upward is disposed between the two arc-shaped grooves 41 on the housing 4, an annular groove 421 is disposed on the boss 42, and a protruding ring 333 adapted to the annular groove 421 is disposed at the bottom of the dial plate 33.

In the above structure, the protruding ring 333 is matched with the annular groove 421, so that the stability of the toggle plate 33 in rotating relative to the housing 4 can be improved, the toggle plate 33 can be limited, the compactness of the structure of the utility model is improved, and the reliability of the utility model is improved.

In this embodiment, the rear axle switch assembly 5 and the front axle switch assembly 6 are further included, the rear axle switch assembly 5 and the front axle switch assembly 6 both include a pressing assembly 51, the rear axle switch assembly 5 further includes a key shaft 52 and a rear axle key 53 disposed on the key shaft 52, a through hole 7 penetrating through the cover housing and the rotating disc 32 is disposed at the center of the dial disc 33, the key shaft 52 and the through hole 7 are coaxially disposed, the pressing assembly 51 includes a switch housing 511, a switch wiring board 512, a sliding block 513, a gear hook 514, a limiting elastic sheet 515, a power transmission sheet 516 and a return spring 517, the switch housing 511 is fastened on the outer wall of the switch wiring board 31, the sliding block 513 is disposed in the switch housing 511, a fastening groove 5131 engaged with the key shaft 52 is disposed at the top thereof, and the power transmission sheet 516 is movably inserted on one side of the sliding block 513 facing the switch wiring board 512, the switch wiring board 512 is provided with a second fixed contact 5121, the second fixed contact 5121 is provided with three groups at intervals relative to the switch wiring board 512, the power transmission piece 516 is provided with a second movable contact 5161 towards the switch wiring board 512, one side of the sliding block 513 towards the switch shell 511 is provided with a limit cavity 5132, one side of the switch shell 511 towards the sliding block 513 is provided with a clamping groove 5111 for clamping the limit elastic piece 515, the switch shell 511 is provided with a limit groove 5112 above the clamping groove 5111, one end of the gear trip 514 is clamped in the limit groove 5112, the other end of the gear trip 514 abuts against the limit cavity 5132, the elastic end of the limit elastic piece 515 abuts against the gear trip 514, the limit cavity 5132 is internally provided with a stop block 8, the reset spring 517 is positioned at the bottom of the sliding block 513 and abuts against the bottom wall of the switch shell 511, and the sliding block 513 is pressed by inching to enable the bottom end of the gear trip 514 to abut against the bottom end of the limit cavity 5132 or abut against the top end of the stop block 8 for switching, and the connection and disconnection of the rear axle are realized by matching the second movable contact 5161 with the second fixed contacts 5121 of different groups.

In the above structure, in an initial state, the second movable contact 5161 of the power transmission piece 516 abuts against and is conducted with the two groups of second fixed contacts 5121 on the lower coil plate of the switch, and the bottom of the gear hook 514 abuts against the bottom of the limiting cavity 5132. By pressing the rear axle key 53, the key shaft 52 axially displaces relative to the through hole 7, the control sliding block 513 drives the power transmission piece 516 to downwards displace, the bottom end of the limiting cavity 5132 downwards displaces relative to the gear hook 514, so that the bottom end of the gear hook 514 is guided to be above the stop block 8, by releasing the rear axle key 53, the sliding block 513 upwards displaces through the elastic force of the reset spring 517, the stop block 8 abuts against the gear hook 514, and at the moment, the second movable contact 5161 of the power transmission piece 516 abuts against and is conducted with the two groups of second stationary contacts 5121 below; when the rear axle key 53 is pressed again, the gear hook 514 moves to the initial position along the opening guide direction of the limiting cavity 5132, and the sliding block 513 moves to the initial position through the elastic force of the return spring 517, so that a user can control the on-off of the rear axle by clicking the rear axle key 53, and the convenience of the utility model is improved. The bottom end of the gear hook 514 can be always abutted against the limiting cavity 5132 of the sliding block 513 through the limiting elastic sheet 515, even if the gear hook is always positioned on the same horizontal plane of the central axis of the key, so that the gear hook can be used for fixing the sliding block 513 through the guidance of the limiting cavity 5132 in the sliding block 513, the on-off switching of a rear axle is realized, and the reliability of the utility model is improved.

In this embodiment, the limiting cavity 5132 includes a first guide groove 5133, a second guide groove 5134, a third guide groove 5135 and a fourth guide groove 5136, the first guide groove 5133 extends toward the stopper 8, the second guide groove 5134 is located on the upper side of the first guide groove 5133 in the height direction, and the opening depth of the second guide groove 5134 is deeper than that of the first guide groove 5133, the third guide groove 5135 is opened at the top of the stopper 8, and the opening depth of the third guide groove 5135 is deeper than that of the second guide groove 5134, the fourth guide groove 5136 is located outside the stopper 8, the opening depth of one end of the fourth guide groove 5136 is deeper than that of the third guide groove 5135, and the other end of the fourth guide groove 5136 extends downward toward the first guide groove 5133 to the end face of the fourth guide groove is higher than that of the first guide groove 5133.

In the structure, when the rear axle key 53 is pressed, the sliding block 513 moves downwards, the bottom of the gear position clamping hook 514 is guided to the second guide groove 5134 from the inner wall of the first guide groove 5133, the rear axle key 53 is released, the sliding block 513 moves upwards, the bottom end of the gear position clamping hook 514 enters the third guide groove 5135 abutted to the stop block 8 from the second guide groove 5134, the sliding block 513 stops moving, the rear axle key 53 is pressed again, the sliding block 513 moves downwards, the bottom end of the gear position clamping hook 514 is guided out from the third guide groove 5135 to the fourth guide groove 5136, the rear axle key 53 is released, the sliding block 513 moves upwards, and the bottom end of the gear position clamping hook 514 is guided into the initial position in the first guide groove 5133 from the fourth guide groove 5136. When the bottom end of the gear hook 514 is positioned in the first guide groove 5133 and the third guide groove 5135, the rear axle is switched on and off. By adopting different depths, the reverse displacement of the gear clamping hook can be avoided, so that a better limiting and guiding effect can be achieved on the gear clamping hook 514, and the reliability of the gear clamping hook is improved.

In this embodiment, the outer wall of the stop block 8 is provided with a reverse arc shape corresponding to the stroke of the gear hook 514, so as to form a guide surface.

By adopting the structure, the sliding block 513 can generate certain offset guide for the gear clamping hook 514, so that the sliding block 513 can be fixedly positioned, and the reliability of the utility model is improved.

In this embodiment, two ends of the power transmission piece 516 are both provided with pins 5162, and the sliding block 513 is provided with an insertion opening 5137 adapted to the pins 5162.

In the above structure, the connection strength between the conductive sheet 516 and the sliding block 513 can be improved by the cooperation of the pin 5162 and the socket 5137, thereby improving the reliability of the present invention.

In this embodiment, a pressing spring 5138 is disposed on a side of the power transmission piece 516 facing the sliding block 513.

With the above structure, the elastic force generated by the pressing spring 5138 can press the conductive plate 516 toward the second fixed contact 5121, so that the reliability of the second movable contact 5161 abutting against the second fixed contact 5121 is improved, and the stability of the present invention is improved.

In this embodiment, the key shaft 52 is sleeved with a sealing sleeve 9 adapted to the through hole 7 of the housing 4.

By adopting the structure, the sealing performance between the key shaft 52 and the shell cover 4 can be improved, so that the dustproof and waterproof effect of the utility model is improved, and the service life of the utility model is prolonged.

In this embodiment, the front axle switch assembly 6 further includes a front axle button 61 linked with the sliding block 513.

By adopting the structure, the front axle key 61 can be matched with the corresponding pressing mechanism to realize the on-off of the front axle, thereby improving the convenience of the operation of the utility model.

In this embodiment, two opposite side walls of the fastening groove 5131 are provided with positioning blocks 5139, and the outer circumferential wall of the bottom end of the key shaft 52 is provided with positioning grooves matched with the positioning blocks 5139.

In the structure, the positioning block 5139 is in inserted fit with the positioning groove, so that the assembly of the utility model can be facilitated, the sliding block 513 can be further limited, the linkage between the key shaft 52 and the sliding block 513 can be improved, and the reliability of the utility model is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims (10)

1. The utility model provides a four-wheel motorcycle change handle switch assembly with higher speed, includes the casing and establishes the acceleration driving lever on the casing, its characterized in that: the circuit board is fixed in the shell, the rotating disc is provided with a movable block positioned above the circuit board, the bottom of the movable block is provided with a slot for mounting the conductive sheet, the bottom of the conductive sheet is provided with a first movable contact, the circuit board is arc-shaped, two ends of the circuit board are provided with first stationary contacts, the bottom of the poking disc is provided with a connecting column connected and fixed with the rotating disc, the poking disc is positioned above the shell, the shell is provided with an arc-shaped groove in sliding fit with the connecting column, the arc length of the center hole at two ends of the arc-shaped groove is equal to the arc length between the center holes of the first stationary contacts at two ends of the circuit board, the outer circumferential wall of the poking disc is provided with a poking block, and the first movable contact drives the rotating disc to rotate by controlling the poking disc, the first static contact at one end of the circuit board is conducted, and the two-drive or four-drive switching function is realized.

2. The switch assembly of the four-wheel motorcycle with the accelerator handle as claimed in claim 1, wherein: the shell cover is provided with a boss protruding upwards between the two arc-shaped grooves, the boss is provided with an annular groove, and the bottom of the stirring plate is provided with a convex ring matched with the annular groove.

3. The switch assembly of the four-wheel motorcycle with the accelerator handle as claimed in claim 1, wherein: the rear axle switch assembly and the front axle switch assembly respectively comprise a pressing assembly, the rear axle switch assembly further comprises a key shaft and a rear axle key arranged on the key shaft, a through hole penetrating through the cover shell and the rotating disc is formed in the center of the dial disc, the key shaft and the through hole are coaxially arranged, the pressing assembly comprises a switch shell, a switch wiring board, a sliding block, a gear clamping hook, a limiting elastic sheet, a conductive sheet and a reset spring, the switch shell is buckled on the outer wall of the switch wiring board, the sliding block is positioned in the switch shell, a clamping groove matched with the key shaft in a clamping mode is formed in the top of the sliding block, the conductive sheet is movably inserted into one side, facing the switch wiring board, of the sliding block, a second stationary contact is arranged on the switch wiring board, and three groups of the second stationary contacts are arranged at intervals relative to the switch wiring board, the power transmission piece is provided with the second movable contact towards the switch wiring board, a limiting cavity is formed in the sliding block towards one side of the switch shell, a clamping groove used for clamping a limiting elastic piece is formed in one side of the switch shell towards the sliding block, a limiting groove is formed in the switch shell and located above the clamping groove, one end of the gear clamping hook is clamped in the limiting groove, the other end of the gear clamping hook abuts against the limiting cavity, the elastic end of the limiting elastic piece abuts against the gear clamping hook, a stop block is arranged in the limiting cavity, and the reset spring is located at the bottom of the sliding block and abuts against the bottom wall of the switch shell.

4. The switch assembly of the accelerating handle bar of the four-wheel motorcycle according to claim 3, wherein: the limiting cavity comprises a first guide groove, a second guide groove, a third guide groove and a fourth guide groove, the first guide groove extends towards the stop block, the second guide groove is located on the upper side of the height direction of the first guide groove, the depth of the second guide groove is deeper than that of the first guide groove, the third guide groove is arranged at the top of the stop block, the depth of the third guide groove is deeper than that of the second guide groove, the fourth guide groove is located on the outer side of the stop block, the depth of one end of the fourth guide groove is deeper than that of the third guide groove, and the other end of the fourth guide groove extends downwards towards the first guide groove until the end face of the fourth guide groove is higher than that of the first guide groove.

5. The switch assembly of the four-wheel motorcycle with the accelerator handle as claimed in claim 4, wherein: the outer wall of the stop block is provided with reverse arcs relative to the stroke of the gear clamping hook to form a guide surface.

6. The switch assembly of the accelerating handle bar of the four-wheel motorcycle according to claim 3, wherein: both ends of the power transmission piece are provided with pins, and the sliding block is provided with sockets matched with the pins.

7. The switch assembly of the four-wheel motorcycle with the accelerator handle as claimed in claim 6, wherein: and a pressing spring which is abutted against the electricity transmission sheet is arranged on one side of the electricity transmission sheet facing the sliding block.

8. The switch assembly of the accelerating handle bar of the four-wheel motorcycle according to claim 3, wherein: and a sealing sleeve matched with the through hole in the shell cover is sleeved on the key shaft.

9. The switch assembly of the accelerating handle bar of the four-wheel motorcycle according to claim 3, wherein: the front axle switch assembly further comprises a front axle key which is in linkage connection with the sliding block.

10. The switch assembly of the accelerating handle bar of the four-wheel motorcycle according to claim 3, wherein: the two opposite side walls of the clamping groove are provided with positioning blocks, and the outer circumferential wall at the bottom end of the key shaft is provided with positioning grooves matched with the positioning blocks.

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