CN201158310Y - ATV Drive Converter - Google Patents

Abstract

The utility model relates to a driving converter of a beach buggy. The driving converter is characterized in that a box body is butted with a box cover to form a converter casing body, a motor is installed in the inner cavity of the converter casing body, the motor is connected with a changeover switch outside the converter casing body through a wire, a primary output worm is installed on the output shaft of the motor, and is meshed with a primary driven worm wheel, a secondary driving gear is sleeved on the axle of the primary driven worm wheel, and is meshed with a secondary driven gear, the secondary driven gear is sleeved at one end of the secondary driven gear shaft, the other end of the secondary driven gear shaft extends out of the box cover, and an output gear is sleeved at the extending part. The driving converter has the advantages of reasonable design, compact volume, simple and convenient operation, flexibility, reliability and good security, etc., the driving converter can ensure that the beach buggy selects two-wheel drive or four-wheel drive according to the actual situation, the conversion between the two-wheel drive and the four-wheel drive is very convenient and reliable, the operation is simple, and thereby the power and the passing ability of the beach buggy are greatly improved.

Description

ATV Drive Converter

technical field

The utility model relates to a beach car, in particular to a drive converter for the beach car.

Background technique

At present, most of the ATVs on the market are driven by the rear wheel drive to move the front wheels (the front wheels have no direct power). The two front wheels of the beach car are installed on the frame through the suspension mechanism, and the two rear wheels are set on the respective rear axle shafts. The power of the beach car is provided by the engine, and the rear end of the engine output shaft is connected to the two rear axle shafts through the rear transmission mechanism, so that the power of the engine is transmitted to the rear axle shaft through the rear transmission mechanism, driving the rear wheels to rotate, and the beach car is completely The car moves forward or backward. Because only the rear wheels of the beach car have driving force, the power is not strong, and the passability is poor. When the beach car is climbing a very inclined slope, it is difficult to run; Skidding makes it difficult to travel, and then problems such as stalling occur.

How to improve the power and passability of ATVs is a difficult problem that all ATV manufacturers are working hard on. Some manufacturers envisage transplanting a micro-car two-wheel drive and four-wheel drive conversion technology to ATVs, and replace the traditional ones with bridge mechanisms. The front wheel suspension mechanism, the drive box of the bridge mechanism and the engine are connected through a transmission shaft, and the input spindle and output spindle in the drive box can be connected through a sliding sleeve, and the sliding sleeve is controlled by the fork linkage mechanism. Control, driven by the shift fork linkage mechanism, the sliding sleeve slides on the input spindle and output spindle of the drive box, so that there are two states of engagement and separation between the input spindle and the output spindle, corresponding to the four-wheel drive of the ATV and two-wheel drive. Due to the large difference between the scope of use of ATVs and their own structural characteristics and miniature vehicles, especially the fork linkage mechanism that controls the conversion between two-wheel drive and four-wheel drive in miniature vehicles, due to its large size, complex operation, flexibility and reliability Poor performance, difficult to install and use on beach vehicles, so that the above assumptions can only stay in the theoretical stage.

Utility model content

The technical problem to be solved by the utility model is to provide a driving converter of the beach car, so that the front wheel of the beach car adopts a bridge mechanism, and two-wheel drive or four-wheel drive can be selected when necessary.

The technical scheme of the utility model is as follows: a beach car drive converter, the box body and the box cover are connected, and the two are fixed by screws to form a converter housing, and a motor is installed in the inner cavity of the converter housing. The motor is connected to the transfer switch outside the converter housing through wires, and a first-stage output worm is installed on the output shaft of the motor. The secondary driving gear meshes with the secondary driven gear, the secondary driven gear is sleeved on one end of the secondary driven gear shaft, and the other end of the secondary driven gear shaft extends out of the box cover, And the protruding part is sleeved with an output gear.

The utility model solves the problem that the fork link mechanism of the miniature car cannot be transplanted to the beach car due to its large volume, complicated operation, poor flexibility and reliability, and makes it possible for the beach car to adopt two-wheel drive or four-wheel drive. The installation structure of the front wheel of the ATV is changed from the traditional suspension mechanism to the bridge mechanism. The drive box of the bridge mechanism is connected to the engine through a transmission shaft, and the input spindle and output spindle in the drive box can be connected. Connected by a sliding sleeve, the sliding sleeve is connected with the output gear in the utility model through a sliding rack mechanism.

The utility model is small in size and can be installed on the drive box of the front axle. The operation of the motor in the utility model is controlled by pressing the button of the changeover switch, and the operation is very simple and convenient. The transfer switch can change the direction of the magnetic field inside the motor by changing the positive and negative polarity of the motor input current, so that the motor output shaft can rotate forward or reverse. When the motor is running, the motor output shaft drives the primary output worm to rotate, the primary output worm drives the primary driven worm gear and the secondary driving gear coaxial with it to rotate, and the secondary driving gear drives the secondary driven gear to rotate. The output gear coaxial with the secondary driven gear is rotated, and the output gear drives the sliding sleeve to move flexibly on the input main shaft and the output main shaft of the drive box through the sliding rack mechanism. Since the output shaft of the motor can rotate forward and reverse, and the steering of the output gear also has two directions, the sliding sleeve can be controlled to slide back and forth on the input spindle and output spindle of the drive box, so that the gap between the input spindle and the output spindle of the drive box can be controlled. It has two states of engagement and disengagement. When the input shaft and output shaft of the drive box are engaged, the power of the engine can be transmitted to the front axle, so that the front wheels also have driving force. At this time, the ATV adopts four-wheel drive, which greatly enhances the power of the ATV and effectively improves the performance of the ATV. The passability of the car enables the ATV to run smoothly on the slopes, muddy and muddy roads; when the input spindle and output spindle of the drive box are separated, only the rear wheels have driving force at this time, and the ATV adopts two-wheel drive. , suitable for driving on roads with good road conditions.

A brush is installed on the disk surface of the above-mentioned secondary driven gear facing the box body. The brush has three parallel feet, and three power-off limit copper sheets matched with the brush feet are fixed in the box body. The power-off limit copper sheets are arc-shaped, and their centers are at the same point, wherein the second power-off limit copper sheet is located between the first power-off limit copper sheet and the third power-off limit copper sheet, The arc length of the first power-off limit copper sheet is the largest, and the arc length of the third power-off limit copper sheet is the smallest. One end of the first power-off limit copper sheet is connected to the corresponding end of the second power-off limit copper sheet. Alignment, the other end of the first power-off limit copper piece does not exceed the corresponding end of the third power-off limit copper piece; the first power-off limit copper piece is connected to an electrode insert of the motor through the first conductive piece The other electrode insert of the motor is connected to the transfer switch through the fourth conductive sheet and the wire, and the second and third power-off limit copper sheets are also connected to the switch through the second conductive sheet, the third conductive sheet and the corresponding wire respectively. Transfer switch connection.

The changeover switch is a universal push-type switch. When the button of the changeover switch is pressed, the fourth conductive sheet is positively charged, and the second conductive sheet is negatively charged. The two electrodes of the motor pass through the fourth conductive sheet, the changeover switch, the second conductive sheet sheet, second power-off limit copper sheet, brush, first conductive sheet and corresponding wires form a loop, and the electrodes output direct current to the motor to make the output shaft of the motor rotate forward (at this time, the third conductive sheet and the third power-off Limiting copper sheet does not work), the secondary driven gear and output gear rotate forward, and the three legs on the brush slip on the three power-off limiting copper sheets. When the secondary driven gear and the output gear rotate one revolution (the number of revolutions can be set freely by changing the size of the gear and the arc length of the power-off limit copper sheet), the second leg on the brush and the second breaker The electric limit copper piece is detached, and the motor stops running due to the disconnection of the control circuit.

Press the button of the transfer switch again, the fourth conductive sheet is negatively charged, the third conductive sheet is positively charged, and the two electrodes of the motor pass through the fourth conductive sheet, the transfer switch, the third conductive sheet, and the third power-off limit copper sheet , the brush, the first conductive sheet and the corresponding wires form a loop, and the electrodes output reverse direct current to the motor, so that the output shaft of the motor reverses (at this time, the second conductive sheet and the second power-off limit copper sheet do not work) , the secondary driven gear and the output gear rotate in reverse, and the three legs on the brush slide on the three power-off limit copper sheets. After the second-stage driven gear and the output gear have rotated one circle, the third leg on the brush is separated from the third power-off limit copper sheet, and the motor stops running because the control circuit is disconnected.

Since the engagement and separation between the input spindle and the output spindle of the front axle drive box are controlled by the output gear, under the action of the power-off limit copper plate, the output gear will stop after one rotation forward or reverse, so that the drive box input spindle and output The main shafts are just engaged or separated, so that the control is reliable and the safety is good.

A buffer sheet is installed on the above-mentioned secondary driven gear, and the buffer sheet is provided with a hanging lug facing the output gear. For the lug of the gear, a spring fixing seat is arranged between the buffer piece and the spring support piece, and the spring fixing seat is looped on the secondary driven gear shaft. To limit, the scroll spring is set on the spring holder, the inner end of the scroll spring is fixed with the spring holder, and the outer end of the scroll spring is hooked on the lug of the buffer plate.

The volute spring plays the role of buffering and deceleration. When the splines of the input spindle and output spindle of the drive box are not synchronized temporarily, when the motor is running, the output gear cannot rotate due to stagnation. At this time, the spring fixing seat is blocked by the spring support piece. It cannot rotate, the buffer plate rotates with the secondary driven gear, and slowly winds the volute spring from the outside to the inside, and condenses the torque transmitted by the motor on the spring; when the splines of the input spindle and output spindle of the drive box are synchronized , The volute spring automatically stretches, and the torque is transmitted to the output gear, so as to achieve the effect of conversion.

The above-mentioned secondary driven gear is fitted on the shaft of the secondary driven gear through a bushing, the buffer sheet is fitted on the bushing, and the bushing, the secondary driven gear and the buffer sheet are fixed by riveting, and the three are connected Reliable and good synchronization.

Two buckles formed by bending are arranged on the above-mentioned buffer sheet, and the bending direction of the buckles is opposite to that of the hanging lug, and each buckle is snapped into a corresponding through hole on the secondary driven gear. The buffer sheet is engaged with the secondary driven gear through a buckle, which can effectively prevent the relative rotation between the two.

In order to prevent the spring support piece from rotating relative to the secondary driven gear shaft and ensure the buffering and deceleration effect of the scroll spring, the above-mentioned spring support piece is set on the secondary driven gear shaft through a square hole, and the spring support piece is connected to the secondary driven gear shaft. The gear shafts are fixed by riveting.

Beneficial effects: the utility model has the characteristics of reasonable design, small size, easy operation, flexibility and reliability, and good safety. It is very convenient and reliable to switch between wheel drives, thus greatly improving the power and passability of the ATV.

Description of drawings

Fig. 1 is the structural representation of the utility model.

FIG. 2 is a side view of FIG. 1 .

Fig. 3 is a schematic diagram of the installation of the motor and the power-off limit copper sheet in the utility model.

Fig. 4 is the schematic circuit diagram of the utility model.

Fig. 5 is a transmission schematic diagram of the utility model.

Fig. 6 is a left side view of Fig. 5 .

Fig. 7 is a schematic diagram of the installation of the electric brush, the secondary driven gear and the buffer plate in the utility model.

FIG. 8 is a rear view of FIG. 7 .

Fig. 9 is a schematic structural view of the spring support piece.

Fig. 10 is a schematic diagram of the connection between the scroll spring and the spring holder.

Figure 11 is a schematic diagram of the scroll spring in action.

Fig. 12 is a reference diagram of the use state of the utility model.

FIG. 13 is a partially enlarged view of FIG. 12 .

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the outer edge of the open end of the box body 1 and the box cover 2 is provided with the same shape and equal number of lugs. The open ends of the body 1 and the box cover 2 are butted, and the corresponding lugs of the two are connected by screws, so that the box body 1 and the box cover 2 are fixed together to form a converter housing. The motor 3 is located at one end of the inner cavity of the converter housing, and is fixed on the inner bottom wall of the box body 1 through a positioning piece. On the output shaft of the motor 3, a first-stage output worm 5 coaxial with it is installed. It is vertical in space, and the shaft of the primary driven worm gear 6 is equipped with a secondary driving gear 7, and one end of the secondary driving gear 7 is embedded in the groove provided at the center of the primary driven worm gear 6, and the other end of the secondary driving gear 7 One end meshes with the secondary driven gear 8.

The secondary driven gear 8 is sleeved on one end of the secondary driven gear shaft 9 through a bushing 23, and the other end of the secondary driven gear shaft 9 stretches out of the box cover 2, and the output gear 10 is sleeved on the protruding part. The buffer sheet 19 is set on the bush 23, and the buffer sheet 19 and the output gear 10 are located on the same side of the secondary driven gear 8, and the secondary driven gear 8, the bushing 23 and the buffer sheet 19 are riveted Fixed, the connection between the three is firm, and the synchronization is good. The buffer piece 19 is provided with a hanging lug 19a bent towards the output gear 10 and two buckles 19b bent towards the secondary driven gear 8. The two buckles 19b and the hanging lug 19a are distributed in an isosceles triangle. Each buckle 19b snaps into the corresponding through hole on the secondary driven gear 8 . The buffer piece 19 is engaged with the secondary driven gear 8 through the buckle 19b, which can effectively prevent the relative rotation between the two.

As shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Fig. 10 and Fig. 11, the installation hole 20b of the spring supporting piece 20 is a square hole, and the spring supporting piece 20 is set on the secondary driven side through the square hole. The middle part of the gear shaft 9 is fixed by riveting between the spring support piece 20 and the secondary driven gear shaft 9 . A lug 20a bent toward the secondary driven gear 8 is provided on the spring support piece 20, and the lug 20a is located inside the lug 19a of the buffer piece. A spring holder 21 is set between the buffer piece 19 and the spring support piece 20, and the spring holder 21 is looped on the secondary driven gear shaft 9. 20a circumferential limit. A scroll spring 22 is set on the spring fixing seat 21 , the inner end of the scroll spring 22 is clamped and fixed with the spring fixing seat 21 , and the outer end of the scroll spring 22 is hooked on the buffer lug 19a.

As shown in Fig. 1, Fig. 3 and Fig. 4, a brush 14 is installed on the disc surface of the secondary driven gear 8 towards the box body 1, and the brush 14 has three mutually parallel legs 14a, 14b, 14c. Three power-off limit copper sheets 11, 12, 13 matched with the brush legs 14a, 14b, 14c are fixed on the inner bottom wall of the box body 1, and the three power-off limit copper sheets 11, 12, 13 are all Arc-shaped, located on different circumferences, their centers are at the same point, wherein the second power-off limiting copper piece 12 is located between the first power-off limiting copper piece 11 and the third power-off limiting copper piece 13 , the arc length of the first power-off limiting copper sheet 11 is the largest, and the arc length of the third power-off limiting copper sheet 13 is the smallest. One end of the first power-off limiting copper sheet 11 is connected to the second power-off limiting copper sheet The corresponding ends of the pieces 12 are aligned, and the other end of the first power-off limiting copper piece 11 does not exceed the corresponding end of the third power-off limiting copper piece 13 . The first power-off limit copper sheet 11 is connected to an electrode insert 3a of the motor 3 through the first conductive sheet 15, and the other electrode insert 3b of the motor 3 is connected to the switch 4 through the fourth conductive sheet 18 and the wire. The corresponding terminal is connected, and the transfer switch 4 is located outside the converter housing. The second power-off limit copper sheet 12 is connected with the corresponding terminal of the transfer switch 4 by the second conductive sheet 16 and the lead, and the third power-off limit copper sheet 13 is also connected with the transfer switch 4 by the third conductive sheet 17 and the lead. Corresponding terminal connection. The connecting wire between the transfer switch 4 and the motor 3 is connected to the main cable of the motorcycle, powered by the storage battery 25 .

As shown in Figure 12 and Figure 13, the installation structure of the front wheel of the ATV is changed from a traditional suspension mechanism to a bridge mechanism, and the driving box 26 of the bridge mechanism is connected to the engine 27 through a transmission shaft 28. The new model can be installed on the front axle drive box 26. The output gear 10 in the utility model is connected with the sliding sleeve 29 in the drive box 26 through the sliding rack mechanism 24. The sliding sleeve 29 can be connected to the drive box input spindle 30 and the output spindle 31. Slip on.

In the utility model, the operation of the motor 3 is controlled by pressing the button of the transfer switch 4, and the transfer switch 4 can change the direction of the magnetic field inside the motor by changing the positive and negative polarity of the input current of the motor 3, so that the output shaft of the motor 3 rotates forward or reversely. change. When the motor 3 is in operation, the motor output shaft drives the primary output worm 5 to rotate, the primary output worm 5 drives the primary driven worm gear 6 and the secondary driving gear 7 coaxial with it to rotate, and the secondary driving gear 7 drives the secondary The first stage driven gear 8 rotates so that the output gear 10 coaxial with the second stage driven gear 8 rotates, and the output gear 10 drives the sliding sleeve 29 to slide on the input main shaft 30 and the output main shaft 31 of the driving box through the sliding rack mechanism 24 . Because the output shaft of the motor can rotate forward and backward, the steering of the output gear also has two directions, so the sliding sleeve 29 can be controlled to slide back and forth on the drive box input main shaft 30 and the output main shaft 31, so that the drive box input main shaft 30 and the output main shaft 31 There are two states of engagement and disengagement between the output spindles 31 . When the drive box input main shaft 30 and output main shaft 31 are in engagement, the power of the engine can be transmitted to the front axle, so that the front wheels also have driving force. At this time, the beach car adopts four-wheel drive, which greatly enhances the power of the beach car and effectively improves the driving force of the beach car. It improves the passability of the ATV, so that the ATV can run smoothly on the slopes, muddy, and muddy road sections; when the input spindle 30 and the output spindle 31 of the drive box are separated, only the rear wheels have driving force at this time, and the ATV can drive smoothly. With two-wheel drive, it is suitable for driving on roads with good road conditions.

The transfer switch 4 is a general push-type switch, and the transfer switch 4 controls the forward rotation or reverse rotation of the motor 3 output shaft. The conductive sheet 16 is negatively charged, and the two electrodes 3a and 3b of the motor 3 pass through the fourth conductive sheet 18, the transfer switch 3, the second conductive sheet 16, the second power-off limit copper sheet 12, the brush 14, the first conductive sheet 15 and the corresponding wires form a loop (see Figure 4), and the electrodes 3a, 3b output direct current to the motor to make the motor output shaft rotate forward (the third conductive sheet 17 and the third power-off limit copper sheet 13 do not work at this time ), the secondary driven gear 8 and the output gear 10 rotate in the forward direction, and the three legs 14a, 14b, 14c on the brush make circular motions with the secondary driven gear 8 (rotate counterclockwise as shown in Figure 4), and the three The legs 14a, 14b, 14c slide on the three power-off limiting copper sheets 11, 12, 13. After the secondary driven gear 8 and the output gear 10 have rotated one circle, the second leg 14b on the brush is separated from the second power-off limit copper sheet 12, the control circuit of the motor 3 is disconnected, the motor 3 stops running, and the drive box The input spindle 30 and output spindle 31 snap into place.

Press the button of the transfer switch 4 again, the fourth conductive sheet 18 is negatively charged, the third conductive sheet 17 is positively charged, and the two electrodes 3a, 3b of the motor pass through the fourth conductive sheet 18, the transfer switch 4, and the third conductive sheet 17 , the third power-off limit copper sheet 13, the electric brush 14, the first conductive sheet 15 and the corresponding wires form a loop (see Figure 4), and the electrodes 3a, 3b output reverse direct current to the motor, so that the output shaft of the motor is reversed (At this time, the second conductive sheet 16 and the second power-off limiting copper sheet 12 do not work), the secondary driven gear 8 and the output gear 10 rotate in reverse, and the three legs 14a, 14b, 14c on the brush are Three pieces of power-off limiting copper sheets 11, 12, 13 slide clockwise as shown in Figure 4. After the secondary driven gear 8 and the output gear 10 have rotated one circle, the third leg 14c on the brush is separated from the third power-off limit copper sheet 13, the control circuit of the motor 3 is disconnected, the motor 3 stops running, and the drive box The input spindle 30 and output spindle 31 are just completely separated.

When the button of the changeover switch 4 is pressed to convert the ATV from two-wheel drive to four-wheel drive, under normal circumstances, the secondary driven gear 8, buffer plate 19, spring holder 21, scroll spring 22, spring support plate 20 and the output gear 10 rotate synchronously with the secondary driven gear shaft 9 (shown as counterclockwise in FIG. 11 ), the output gear 10 drives the sliding sleeve 29 to slide from the drive box input spindle 30 to the output spindle 31 through the sliding rack mechanism 24, The drive box input spindle 30 and the output spindle 31 are joined together; but when the button of the changeover switch 4 is pressed, the splines of the drive box input spindle 30 and the output spindle 31 are not synchronized temporarily, and the output gear 10 cannot Rotate, at this time the volute spring 22 starts to play the role of buffering and deceleration, the spring holder 21 is blocked by the spring support plate 20 and cannot rotate, the buffer plate 19 rotates counterclockwise with the secondary driven gear 8 (see Figure 11), and the volute The spring 22 is slowly wound up from the outside to the inside, and the torque transmitted by the motor 3 is condensed on the spring 22. When the splines of the input spindle 30 and the output spindle 31 of the drive box are synchronized, the scroll spring 22 is automatically stretched, and the torque Transmission to the output gear 10, so that the output gear 10 drives the sliding sleeve 29 to move through the sliding rack mechanism 24, so as to achieve the conversion effect.

Claims (6)

1. A beach car drive converter, characterized in that: the box body (1) and the box cover (2) are connected, and the two are fixed by screws to form a converter housing, and the inner cavity of the converter housing A motor (3) is installed in the middle, the motor (3) is connected with the transfer switch (4) outside the converter housing through a wire, and the output shaft of the motor (3) is equipped with a first-stage output worm (5), and the first-stage output worm (5) Mesh with the primary driven worm gear (6), set the secondary driving gear (7) on the shaft of the primary driven worm gear (6), the secondary driving gear (7) and the secondary driven gear (8 ) meshing, the secondary driven gear (8) is sleeved on one end of the secondary driven gear shaft (9), and the other end of the secondary driven gear shaft (9) stretches out of the box cover (2), and The protruding part is sleeved with an output gear (10). 2. The ATV drive converter according to claim 1, characterized in that: a brush (14) is installed on the disk surface of the secondary driven gear (8) facing the box body (1), and the brush ( 14) There are three parallel feet (14a, 14b, 14c), and three power-off limit copper sheets (11, 12, 13) matched with the brush feet (14a, 14b, 14c) are fixed on the box body In (1), the three power-off limit copper sheets (11, 12, 13) are arc-shaped, and their centers are at the same point, wherein the second power-off limit copper sheet (12) is located at the first break Between the electric limit copper sheet (11) and the third power-off limit copper sheet (13), the arc length of the first power-off limit copper sheet (11) is the largest, and the third power-off limit copper sheet (13) The arc length is the smallest, one end of the first power-off limiting copper sheet (11) is aligned with the corresponding end of the second power-off limiting copper sheet (12), and the other end of the first power-off limiting copper sheet (11) One end does not exceed the corresponding end of the third power-off limit copper sheet (13); said first power-off limit copper sheet (11) passes through the first conductive sheet (15) and an electrode insert ( 3a) connection, another electrode insert (3b) of the motor (3) is connected with the transfer switch (4) through the fourth conductive sheet (18) and the wire, and the second and third power-off limit copper sheets (12 , 13) are also connected with changeover switch (4) by the second conductive sheet (16), the 3rd conductive sheet (17) and corresponding lead respectively. 3. The ATV driving converter according to claim 1 or 2, characterized in that a buffer piece (19) is installed on the secondary driven gear (8), and the buffer piece (19) is provided with a direction toward The hanger (19a) of the output gear (10), the middle part of the secondary driven gear shaft (9) is fixed with a spring support piece (20), and the spring support piece (20) is provided with a 8) the lug (20a), the spring holder (21) is set between the buffer piece (19) and the spring support piece (20), and the spring holder (21) is looped on the secondary driven gear shaft ( 9), the outer end of the spring holder (21) is limited in the circumferential direction by the lug (20a) on the spring support piece (20), and the scroll spring (22) is set on the spring holder (21) , the inner end of the scroll spring (22) is fixed with the spring holder (21), and the outer end of the scroll spring (22) is hooked on the lug (19a) of the buffer plate (19). 4. The ATV driving converter according to claim 3, characterized in that: the secondary driven gear (8) is sleeved on the secondary driven gear shaft (9) through a bush (23), and the The buffer sheet (19) is sleeved on the bushing (23), and the bushing (23), the secondary driven gear (8) and the buffer sheet (19) are fixed by riveting. 5. The ATV driving converter according to claim 4, characterized in that two buckles (19b) formed by bending are arranged on the buffer sheet (19), and the buckles (19b) The bending direction is opposite to that of the lug (19a), and each buckle (19b) is snapped into the corresponding through hole on the secondary driven gear (8). 6. The ATV driving converter according to claim 3, characterized in that: the spring supporting piece (20) is set on the secondary driven gear shaft (9) through a square hole, and the spring supporting piece (20) is connected with the The secondary driven gear shafts (9) are fixed by riveting.

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