CN213292544U - Carting car - Google Patents

Abstract

The utility model discloses a kart. Including frame, direction controlling means includes steering wheel subassembly, preceding wheel subassembly and transmission subassembly, steering wheel subassembly passes through the transmission subassembly and is connected with preceding wheel subassembly, steering wheel subassembly controls the turn to of preceding wheel subassembly through the transmission subassembly transmission, still includes the telescoping device, the adjustable self length of telescoping device, the rotatable connection of telescoping device one end and frame, the telescoping device other end and steering wheel subassembly swing joint, through the telescoping device is flexible can make steering wheel subassembly folding for the frame. Aiming at the technical problem that the carting car in the prior art can not be folded, the telescopic rod can stretch out and draw back to enable the steering wheel to be folded.

Description

Carting car

Technical Field

The utility model relates to a kart.

Background

Carting car is a mini sports car, which was popular in europe and america for the early time and is now gaining popularity worldwide. Traditional kart carries on the engine with the chassis and is regarded as the car main part, and steering wheel rigidity, the volume of kart is difficult to change, is difficult to satisfy the requirement of transportation or accomodating the kart. The carting car cannot be folded, which puts new requirements on the design of the carting car.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To the technical problem that the kart can not be folded among the prior art, the utility model provides a kart, it makes the steering wheel collapsible through the flexible of telescopic link.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a carting car, includes frame, direction controlling means includes steering wheel subassembly, preceding wheel subassembly and transmission subassembly, steering wheel subassembly passes through the transmission subassembly and is connected with preceding wheel subassembly, steering wheel subassembly passes through the transmission subassembly transmission and controls the steering of preceding wheel subassembly, still includes telescoping device, the adjustable self length of telescoping device, the rotatable connection of telescoping device one end and frame, the telescoping device other end and steering wheel subassembly swing joint, through the telescoping device is flexible can make steering wheel subassembly for the frame is folding.

Optionally, the telescopic device includes a first adjusting rod and a second adjusting rod, a locking mechanism is disposed between the first adjusting rod and the second adjusting rod, and the first adjusting rod and the second adjusting rod can move relatively or be fixed relatively through the locking mechanism.

Optionally, the locking mechanism includes an elastic assembly disposed on one of the first adjusting lever and the second adjusting lever and a plurality of positioning holes disposed on the other of the first adjusting lever and the second adjusting lever, the elastic assembly has an extending portion, the extending portion can extend into or withdraw from the positioning holes, when the extending portion extends into the positioning holes, the first adjusting lever is fixed relative to the second adjusting lever, and when the extending portion withdraws from the positioning holes, the first adjusting lever can move relative to the second adjusting lever.

Optionally, the telescopic device has a push key for pushing the protruding part out of the positioning hole.

Optionally, the elastic assembly includes an elastic member and a fixing member, the fixing member forms the extending portion, the elastic member is disposed between the first adjusting rod and the fixing member, the first adjusting rod is provided with an accommodating hole for accommodating the fixing member, and the fixing member is disposed in the accommodating hole and protrudes out of the surface of the first adjusting rod.

Optionally, the transmission assembly comprises a support rod, a rotation shaft, a first linkage rod and a second linkage rod, the front wheel assembly comprises two front wheels, each front wheel is provided with a wheel shaft, each wheel shaft is hinged to the frame, one end of the support rod is connected with the steering wheel assembly, the other end of the support rod is connected with the rotation shaft through a universal joint, the rotation shaft is hinged to the frame, the rotation shaft is hinged to the first linkage rod through a connecting piece, the first linkage rod is hinged to the second linkage rod, and the second linkage rod is fixedly connected with the wheel shafts.

Optionally, the hinge points of the two wheel axles and the frame and the hinge point of the rotating shaft and the frame are distributed in a triangle.

Optionally, the frame has an axle, the wheel axle is hinged with the axle, and the rotating shaft is connected with the axle through a bearing.

Optionally, the transmission assembly comprises a support rod and a sliding rod, the sliding rod is connected with the support rod in a sliding mode, the sliding rod is hinged to the steering wheel assembly through a universal joint, and the support rod is hinged to the front wheel assembly through a universal joint.

Optionally, the frame is hinged to an auxiliary frame, the telescopic device is hinged to the auxiliary frame, a steering wheel shaft is installed on the auxiliary frame, and the sliding rod is hinged to the steering wheel shaft through a universal joint.

Optionally, the steering wheel assembly comprises an auxiliary frame and a steering wheel with a steering wheel shaft, the steering wheel is rotatably mounted on the auxiliary frame through the steering wheel shaft, one end of the telescopic device is hinged to the auxiliary frame, and the other end of the telescopic device is hinged to the frame.

Optionally, the frame has extending structure makes the frame is scalable, extending structure includes first pole, second pole and setting element, the one end of first pole is established in the second pole, first pole is equipped with a plurality of fixed orificess, the second pole is equipped with the screw hole, the setting element passes through screw hole and second pole threaded connection, the setting element is equipped with the elastic rod, elastic rod and setting element elastic connection, elastic rod one end is in the fixed orifices, the pulling during the elastic rod, the elastic rod with the fixed orifices separation.

Optionally, a positioning structure is disposed between the elastic rod and the positioning member.

Optionally, the positioning structure includes a cover, a first cavity disposed at one end of the positioning member in the cover, and a positioning step disposed on a side wall of the first cavity, wherein the shape of the first cavity is adapted to the shape of one end of the positioning member, and the positioning member is retractable and rotatable relative to the cover to enable the positioning member to fall on the positioning step or fall into the bottom of the first cavity.

Optionally, the lateral wall of first chamber is equipped with the stop part, when the setting element falls on the screens step, the stop part is right the setting element forms and blocks in order to prevent the setting element rotates and breaks away from the screens step.

Optionally, the lateral wall of first chamber is equipped with and link up to the recess of first chamber oral area, the lateral wall of recess forms the stop part, the bottom of recess forms the screens step, the setting element is equipped with and stretches into location portion in the recess.

Optionally, one end of the positioning element is an equilateral polygon structure, and the positioning portion is formed at an angle of the polygon structure.

Optionally, still include controller, battery, in-wheel motor, rear wheel, throttle subassembly, the battery is connected with the controller electricity, throttle subassembly includes accelerator pedal and sensor, the sensor is connected with the controller electricity, in-wheel motor establishes on the rear wheel, in-wheel motor is connected with the controller electricity.

Optionally, the throttle subassembly includes accelerator pedal, last connecting piece, lower connecting piece, accelerator pedal bottom with the frame is articulated, accelerator pedal upper portion with it is articulated to go up the connecting piece, it cup joints with lower connecting piece to go up the connecting piece, the sensor is pressure sensor, pressure sensor establishes go up between connecting piece and the lower connecting piece, pressure sensor responds to the pressure of accelerator pedal transmission through the relative motion of last connecting piece and lower connecting piece.

Optionally, an elastic component is arranged between the upper connecting piece and the lower connecting piece, and the pressure sensor is connected with the elastic component.

Optionally, the brake assembly comprises a brake pedal, a push rod, a brake cylinder, an oil pipe and a brake caliper, the brake pedal is connected with the push rod, the push rod is connected with a piston of the brake cylinder, the brake pedal transmits braking force to the brake cylinder through the push rod, liquid of the brake cylinder transmits the braking force to the brake caliper through the oil pipe, and the brake caliper can clamp the brake disc to brake under braking force.

Optionally, still include back wheel, brake subassembly, the brake subassembly includes brake pedal, cable wire, brake block and drive mechanism, the back wheel is equipped with the brake disc, cable wire one end with brake pedal connects, the cable wire other end with drive mechanism connects, drive mechanism atress can promote the brake block, makes the brake block with brake disc friction braking.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a carting car can be folded steering wheel subassembly, reduces the volume, conveniently accomodates and transports.

Drawings

FIG. 1 is a general assembly diagram of a carting car according to the present invention;

fig. 2 is a schematic view of an internal structure of the kart of the present invention;

FIG. 3 is one of enlarged partial views of a kart according to the present invention;

FIG. 4 is a second enlarged view of a carting car according to the present invention;

fig. 5 is a schematic view of a locking sleeve of the kart of the present invention;

FIG. 6 is a schematic view of a locking mechanism of the kart of the present invention;

FIG. 7 is a schematic view of a positioning member and an elastic rod of the kart of the present invention;

fig. 8 is a schematic diagram of a positioning structure of the kart of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a frame; 11. a seat; 12. a telescopic structure; 121. a first lever; 122. a second lever; 1221. a positioning column; 1222. a screw; 1223. a cover body; 1227. a first chamber; 1226. a clamping step; 2. a front wheel; 21. a wheel shaft; 22. an axle; 3. a steering wheel; 4. a transmission assembly; 41. a support bar; 42. a rotating shaft; 43. a first linkage rod; 44. a second linkage rod; 45. a slide bar; 46. a connecting member; 5. a telescoping device; 51. a first adjusting lever; 511. an elastic member; 512; a fixing member; 513. a housing hole; 52. a second adjusting lever; 521. positioning holes; 522. pushing a key; 523. a notch; 6. a locking sleeve; 61. a locking band; 611. a locking portion; 62. a bolt; 63. an eccentric handle; 71. an auxiliary frame; 72. a rear wheel; 721. a brake disc; 73. a battery; 74. an accelerator pedal; 75. a brake pedal.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings 1-8 and the accompanying examples.

With reference to fig. 1-4, the carting car of this embodiment includes frame 1, direction control device includes steering wheel subassembly, front wheel subassembly and transmission assembly 4, steering wheel subassembly includes auxiliary frame 71, has steering wheel 3 of steering wheel axle, transmission assembly 4 includes bracing piece 41, slide bar 45, axis of rotation 42, first gangbar 43, second gangbar 44, the front wheel subassembly includes front wheel 2, and front wheel 2, first gangbar 43, second gangbar 44 are all equipped with two symmetrically. The front wheels 2 are provided with wheel shafts 21, the front wheels 2 are connected through axles 22, and the wheel shafts 21 are hinged with the axles 22. The support rod 41 and the slide rod 45 are connected in a sliding mode, one end of the slide rod 45 is hinged to a steering wheel shaft through a universal joint, the auxiliary frame 71 is connected to the steering wheel shaft through a bearing, the auxiliary frame 71 is hinged to the frame 1, the support rod 41 is connected to the rotating shaft 42 through the universal joint, the rotating shaft 42 is connected to the axle 22 through the bearing, the rotating shaft 42 is fixedly provided with a connecting piece 46, the connecting piece 46 is hinged to the two first linkage rods 43, the two first linkage rods 43 are hinged to the two second linkage rods 44 respectively, and the two second linkage rods 44 are fixedly connected to the wheel shaft 21 respectively. Rotate steering wheel 3, steering wheel 3 passes through bracing piece 41, slide bar 45 and universal joint and gives the axis of rotation 42 with the turning force transmission, axis of rotation 42 passes through the bearing and fixes on axletree 22, axis of rotation 42 receives the turning force to take place to rotate to transmit the turning force for first gangbar 43 and second gangbar 44 through connecting piece 46, make first gangbar 43 and second gangbar 44 swing, the swing of second gangbar 44 drives front wheel 2 swing to the direction of adjusting front wheel 2.

With reference to fig. 1, 2, 4, 5, and 6, the present invention further includes a telescopic device 5, where the telescopic device 5 includes a first adjusting rod 51 and a second adjusting rod 52, a locking mechanism is disposed between the first adjusting rod 51 and the second adjusting rod 52, the locking mechanism includes an elastic component disposed on one of the first adjusting rod 51 and the second adjusting rod 52 and a plurality of positioning holes 521 disposed on the other, one end of the first adjusting rod 51 is hinged to the auxiliary frame 71, the other end of the first adjusting rod 51 is disposed with the elastic component, and the other end of the first adjusting rod 51 is disposed in the second adjusting rod 52. The second adjusting rod 52 is hinged to the frame 1, and the second adjusting rod 52 is provided with a plurality of positioning holes 521. The elastic assembly comprises an elastic piece 511 and a fixing piece 512, one end of the elastic piece 511 is fixed on the inner wall of the first adjusting rod 51, the other end of the elastic piece 511 is fixed with the fixing piece 512, the first adjusting rod 51 is provided with a containing hole 513 for containing the fixing piece 512, and the fixing piece 512 is arranged in the containing hole 513 and protrudes out of the surface of the first adjusting rod 51. The fixing member 512 of the first adjustment lever 51 contacts the inner wall of the second adjustment lever 52 inside the second adjustment lever 52, and the elastic member 511 is in a contracted state. When the first adjustment lever 51 moves to a fixed position relative to the second adjustment lever 52, that is, when the fixing element 512 moves to the position of the positioning hole 521, the elastic element 511 extends to allow the fixing element 512 to be positioned in the positioning hole 521, so as to fix the first adjustment lever 51 and the second adjustment lever 52. The elastic member 511 may be a spring or an elastic sheet for specific applications.

The second adjustment lever 52 is provided with a push key 522, and the push key 522 is arranged at a position opposite to the positioning hole 521. When the position of the steering wheel assembly needs to be adjusted, the push key 522 is pressed to push the fixing member 512 to be separated from the positioning hole 521, the steering wheel assembly is acted to relatively move the first adjusting rod 51 and the second adjusting rod 52, and when the fixing member 512 moves to the next positioning hole 521, the elastic member 511 extends to enable the fixing member 512 to be positioned in the positioning hole 521, so that the height of the steering wheel 3 is adjusted.

Locking mechanical system still can be the lock sleeve 6, telescoping device 5 includes that first regulation pole 51 and second are adjusted pole 52, the one end of first regulation pole 51 is established in second regulation pole 52, second regulation pole 52 one end is equipped with breach 523, second regulation pole 52 one end is equipped with lock sleeve 6, first regulation pole 51 and second regulation pole 52 can be locked to lock sleeve 6. The locking sleeve 6 comprises a locking hoop 61, a bolt 62 and an eccentric handle 63, the locking hoop 61 is sleeved at one end of the second adjusting rod 52, the locking hoop 61 is provided with a locking part 611, the locking part 611 is provided with a bolt hole, the bolt 62 penetrates through the bolt hole, one end of the bolt 62 is fixed by a nut, the other end of the bolt 62 is hinged with the eccentric handle 63, the eccentric handle 63 is rotated to enable the maximum eccentric radius of the eccentric handle 63 to be abutted against the locking part 611, the eccentric handle 63 and the bolt 62 act together to enable the locking part 611 to be locked, so that the radius of one end of the second adjusting rod 52 is reduced, and the first adjusting rod 51 and the second adjusting rod 52 are locked. In other embodiments, the lock sleeve 6 comprises a lock sleeve and a locking piece, the lock sleeve is arranged at one end of the second adjusting rod 52, the lock sleeve is provided with a plurality of elastic pieces, gaps are reserved between the elastic pieces, threads are arranged on the lock sleeve, the locking piece is provided with threads matched with the threads of the lock sleeve, the locking piece can be locked after being in threaded connection with the lock sleeve to enable the radius of the lock sleeve to be reduced, so that the radius of the second adjusting rod 52 is reduced, and the first adjusting rod 51 and the second adjusting rod 52 are fixed.

In other embodiments, the steering wheel assembly comprises a steering wheel 3 having a steering wheel shaft and a shaft sleeve, the transmission assembly 4 comprises a support rod 41 and a sliding rod 45, the steering wheel shaft is connected with the shaft sleeve through a bearing, one end of the telescopic device 5 is hinged with the shaft sleeve, the other end of the telescopic device 5 is hinged with the frame 1, and the sliding rod 45 is fixedly connected with the steering wheel shaft. The sliding rod 45 is connected with the supporting rod 41 in a sliding manner, or the sliding rod 45 and the supporting rod 41 are a rigid rod.

With reference to fig. 1, 2, 3, 7 and 8, a seat 11 is fixed at the rear part of the frame 1, the frame 1 has a telescopic structure 12, and the telescopic structure 12 of the frame 1 has the same structure as the telescopic device 5 for adjusting the height of the steering wheel assembly. Or, the telescopic structure 12 of the frame 1 includes a first rod 121 and a second rod 122, one end of the first rod 121 is disposed in the second rod 122, the first rod 121 is provided with a plurality of fixing holes, the second rod 122 is provided with a threaded hole, the threaded hole is provided with a positioning element, the positioning element is provided with an elastic rod, the positioning element includes a screw 1222, the elastic rod includes a positioning column 1221 and a cover 1223, the screw 1222 is provided with an aperture for passing through the positioning column 1221, one end of the positioning column 1221 is fixedly connected with the cover 1223, a screw head of the screw 1222 is disposed in the cover 1223, the positioning column 1221 is connected with the screw 1222 through a spring in the aperture, the screw 1222 is connected with the second rod 122 through a threaded hole, the positioning column 1221 extends into the fixing hole, and pulls the cover 1223 to drive the positioning column 1221 to be separated from the fixing hole. In other embodiments, the positioning member is a screw 1222, the screw 1222 is screwed with the second rod 122, and the screw 1222 is long enough to extend into the fixing hole to fix the combined length of the first rod 121 and the second rod 122; in other embodiments, the positioning element is provided with an elastic rod, the positioning element is provided with an aperture penetrating through the elastic rod, the elastic rod is arranged in the aperture and is connected with the positioning element through a spring, one end of the elastic rod is arranged in the fixing hole, the other end of the elastic rod is pulled, and the elastic rod can be separated from the fixing hole.

With reference to fig. 7 and 8, a positioning structure is arranged between the elastic rod and the positioning element, the positioning structure includes a cover 1223, a first cavity 1227 arranged in the cover 1223 and accommodating one end of the positioning element, and a positioning step 1226 arranged on the side wall of the first cavity 1227, the cover 1223 is fixedly connected to the elastic rod, and the shape of the first cavity 1227 is adapted to the shape of one end of the positioning element. When the elastic rod is in the fixed orifices, the setting element is in first chamber 1227 bottom, the pulling lid 1223, lid 1223 drive elastic rod and fixed orifices separation, because the setting element is fixed by the screw hole, so setting element one end moves screens step 1226 one side of lid 1223, rotatory lid 1223 certain angle, setting element one end falls on screens step 1226, makes elastic rod and fixed orifices keep separating.

The lateral wall of first chamber 1227 is equipped with the block portion, when the setting element falls on screens step 1226, the block portion is right the setting element forms and blocks in order to prevent the setting element rotates and breaks away from screens step 1226. The lateral wall of first chamber 1227 is equipped with and link up to the recess of first chamber 1227 oral area, the lateral wall of recess forms the stop part, the bottom of recess forms screens step 1226, the setting element is equipped with and stretches into location portion in the recess. One end of the positioning piece is of an equilateral polygon structure, and the positioning part is formed at the corner of the polygon structure.

With reference to fig. 1-4, the accelerator pedal device further comprises a controller, a battery 73, a hub motor, a rear wheel 72 and an accelerator assembly, wherein the battery 73 is electrically connected with the controller, the accelerator assembly comprises an accelerator pedal 74, a pressure sensor, an upper connecting piece and a lower connecting piece, an elastic component is arranged between the upper connecting piece and the lower connecting piece, and the pressure sensor is connected with the elastic component. The bottom of the accelerator pedal 74 is hinged with the frame, the upper part of the accelerator pedal 74 is hinged with the upper connecting piece, the upper connecting piece and the lower connecting piece are sleeved, and the pressure sensor senses the pressure transmitted by the accelerator pedal 74 through the relative motion of the upper connecting piece and the lower connecting piece. The pressure sensor is electrically connected with the controller, the hub motor is arranged on the rear wheel 72, and the hub motor is electrically connected with the controller. When the accelerator is used, the accelerator pedal 74 is stepped on by feet, the pressure sensor can detect the pressure of the accelerator pedal 74, the sensor transmits a pressure signal of the accelerator pedal 74 to the controller, and the controller receives the pressure signal of the accelerator pedal 74 and controls the current transmitted to the hub motor by the battery 73 according to the pressure so as to control the speed of the vehicle.

The brake assembly comprises a brake pedal 75, a push rod, a brake cylinder, an oil pipe and a brake caliper, the brake disc 721 is arranged on the rear wheel 72, the brake pedal 75 is connected with the push rod, and the push rod is connected with a piston of the brake cylinder. When the brake pedal 75 is stepped on during braking, the brake pedal 75 transmits braking force to a brake cylinder through a push rod, liquid of the brake cylinder is subjected to pressure, the liquid of the brake cylinder transmits the pressure to a brake caliper through an oil pipe, and the brake caliper clamps the brake disc 721 under pressure to brake.

In other embodiments, the brake assembly includes a brake pedal 75, a steel cable, a brake pad and a transmission mechanism, the rear wheel 72 is provided with a brake disc 721, one end of the steel cable is connected to the brake pedal 75, the other end of the steel cable is connected to the transmission mechanism, the brake pedal 75 is stepped on during braking to pull the steel cable, the transmission mechanism is stressed to push the brake pad, so that the brake pad and the brake disc 721 are subjected to friction braking.

Brake pedal is equipped with brake switch, brake switch electricity is connected in-wheel motor and battery 73 steps on brake pedal, brake pedal can drive brake switch and close to cut off the electric current between battery 73 and the in-wheel motor, make rear wheel 72 lose power, so that quick braking.

The kart is provided with a horn button, a switch button, a car lamp button and a reversing button, and the power can be switched on to supply power to the whole kart by pressing the switch button. The backing button is electrically connected with the controller, the backing button is pressed for a long time, the accelerator pedal 74 is stepped on, the controller receives a backing signal, and the controller controls the current direction transmitted to the in-wheel motor by the battery 73 so as to change the steering direction of the in-wheel motor and realize backing. The horn button is electrically connected to both the battery 73 and the horn. The light button is electrically connected to both the battery 73 and the lights.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (17)

1. The utility model provides a carting car, includes frame, direction controlling means includes steering wheel subassembly, preceding wheel subassembly and transmission subassembly, steering wheel subassembly passes through the transmission subassembly and is connected with preceding wheel subassembly, steering wheel subassembly passes through the transmission subassembly transmission and controls the steering of preceding wheel subassembly, its characterized in that still includes the telescoping device, the adjustable self length of telescoping device, the rotatable connection of telescoping device one end and frame, the telescoping device other end and steering wheel subassembly swing joint, through the telescoping device is flexible can make steering wheel subassembly for the frame is folding.

2. The carting car according to claim 1, wherein the telescopic device comprises a first adjusting rod and a second adjusting rod, a locking mechanism is arranged between the first adjusting rod and the second adjusting rod, and the first adjusting rod and the second adjusting rod can move relatively or be fixed relatively through the locking mechanism.

3. The carting car of claim 2, wherein the locking mechanism comprises a resilient member disposed on one of the first adjustment lever and the second adjustment lever and a plurality of positioning holes disposed on the other, the resilient member having an insertion portion that can be inserted into or withdrawn from the positioning holes, the first adjustment lever being fixed relative to the second adjustment lever when the insertion portion is inserted into the positioning holes, the first adjustment lever being movable relative to the second adjustment lever when the insertion portion is withdrawn from the positioning holes.

4. A carting car according to claim 3 in which the telescopic means has a push key for pushing the entry portion out of the locating hole.

5. The carting car according to claim 3, wherein the elastic member comprises an elastic member and a fixing member, the fixing member forms the protruding portion, the elastic member is disposed between the first adjusting lever and the fixing member, the first adjusting lever is provided with a receiving hole for receiving the fixing member, and the fixing member is disposed in the receiving hole and protrudes from the surface of the first adjusting lever.

6. The carting car according to any one of claims 1 to 5, wherein the transmission assembly comprises a support rod, a rotating shaft, a first linkage rod and a second linkage rod, the front wheel assembly comprises two front wheels, the front wheels are provided with wheel axles, the wheel axles are hinged to the frame, one end of the support rod is connected to the steering wheel assembly, the other end of the support rod is connected to the rotating shaft through a universal joint, the rotating shaft is hinged to the frame, the rotating shaft is hinged to the first linkage rod through a connecting piece, the first linkage rod is hinged to the second linkage rod, and the second linkage rod is fixedly connected to the wheel axles.

7. The kart of claim 6, wherein the hinge points of the two wheel shafts and the frame and the hinge points of the rotating shaft and the frame are distributed in a triangle.

8. The carting car of claim 7, wherein said frame has an axle, said axle is pivotally connected to said axle, and said rotatable shaft is journalled to said axle.

9. A carting car according to any one of claims 1 to 5, 7 or 8 wherein the drive assembly includes a support bar and a slide bar, the slide bar being slidably connected to the support bar, the slide bar being articulated to the steering wheel assembly by a universal joint, the support bar being articulated to the front wheel assembly by a universal joint.

10. The carting car according to claim 9, wherein the frame is hinged to an auxiliary frame, the telescopic device is hinged to the auxiliary frame, a steering wheel shaft is mounted on the auxiliary frame, and the sliding rod is hinged to the steering wheel shaft through a universal joint.

11. A carting car according to any one of claims 1 to 5, 7 and 8, wherein the steering wheel assembly includes an auxiliary frame, a steering wheel having a steering wheel shaft, the steering wheel being rotatably mounted on the auxiliary frame by the steering wheel shaft, the telescopic device being hinged at one end to the auxiliary frame and at the other end to the frame.

12. A carting car according to any one of claims 1 to 5, 7, 8 and 10, wherein the frame has a telescopic structure such that the frame is telescopic, the telescopic structure includes a first rod, a second rod and a positioning member, one end of the first rod is disposed in the second rod, the first rod is provided with a plurality of fixing holes, the second rod is provided with a threaded hole, the positioning member is in threaded connection with the second rod through the threaded hole, the positioning member is provided with an elastic rod, the elastic rod is elastically connected with the positioning member, one end of the elastic rod is disposed in the fixing hole, and when the elastic rod is pulled, the elastic rod is separated from the fixing hole.

13. The carting car of claim 12, wherein a positioning structure is provided between the resilient lever and the positioning member.

14. The carting car according to claim 13, wherein the positioning structure comprises a cover body, a first cavity arranged at one end of the cover body for accommodating the positioning element, and a clamping step arranged on the side wall of the first cavity, the shape of the first cavity is adapted to the shape of one end of the positioning element, and the positioning element can fall on the clamping step or fall into the bottom of the first cavity by telescopic rotation relative to the cover body.

15. The carting car according to claim 14, wherein a blocking portion is provided on a side wall of the first cavity, and when the positioning member is seated on the retaining step, the blocking portion blocks the positioning member to prevent the positioning member from rotating to disengage from the retaining step.

16. The carting car according to claim 15, wherein a groove penetrating to the opening of the first cavity is formed in the side wall of the first cavity, the blocking portion is formed in the side wall of the groove, the blocking step is formed at the bottom of the groove, and the positioning member is provided with a positioning portion extending into the groove.

17. The carting car of claim 16, wherein one end of the positioning member is an equilateral polygon, and the positioning portion is formed at the corner of the polygon.

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