CN214564793U - Kart convenient to warehousing and transportation - Google Patents

Abstract

The utility model provides a kart convenient for storage and transportation, which comprises a frame, a wheel component, a seat, a transmission component and a steering wheel component, wherein the wheel component is arranged on the frame, the seat is arranged on the frame, the steering wheel component is in transmission connection with the wheel component through the transmission component so as to control the steering of the kart, and the transmission component is in foldable connection with the frame; the transmission assembly comprises a rotating shaft, the steering wheel assembly comprises a steering wheel and a steering wheel shaft arranged on the steering wheel, the steering wheel shaft and the rotating shaft are detachably or foldably connected, at least part of the seat is detachably or foldably arranged on the frame, and the transmission assembly is hinged to the frame. Aiming at the technical problem that the volume of the traditional kart in the prior art can not be changed, the steering wheel can be disassembled and folded, the seat can be disassembled and folded, and the transmission component can be folded, so that the volume of the kart is reduced, and the kart is convenient to store and transport.

Description

Kart convenient to warehousing and transportation

Technical Field

The utility model relates to a kart convenient to warehousing and transportation.

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. In a conventional kart, an engine mounted on a chassis is used as a vehicle body, and the advancing direction of wheels is controlled by a steering wheel. However, the volume of the traditional kart cannot be changed, so that the kart is inconvenient to transport or store.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

To the technical problem that traditional kart volume can not change among the prior art, the utility model provides a kart convenient to warehousing and transportation, its steering wheel can be dismantled collapsiblely, and its seat can be dismantled collapsiblely, and its drive assembly is collapsible, makes the volume reduction of kart be convenient for accomodate and transport.

2. Technical scheme

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

the kart convenient to store and transport comprises a frame, wheel assemblies, a seat, a transmission assembly and a steering wheel assembly, wherein the wheel assemblies are installed on the frame, the seat is installed on the frame, the steering wheel assembly is in transmission connection with the wheel assemblies through the transmission assembly so as to control the steering of the kart, and the transmission assembly is in foldable connection with the frame; the transmission assembly comprises a rotating shaft, the steering wheel assembly comprises a steering wheel and a steering wheel shaft arranged on the steering wheel,

the steering wheel shaft and the rotating shaft are detachably or foldably connected, the seat is at least partially detachably or foldably installed on a frame, and the transmission assembly is hinged with the frame so that the transmission assembly can be folded relative to the frame.

Optionally, the steering wheel shaft is connected to the rotational shaft by a thread, a bolt, a snap or an articulated shaft.

Optionally, one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is hinged to the frame through a transition piece, and the rotating shaft is hinged to the transition piece through a bearing.

Optionally, one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is hinged with the frame through a transition piece and a connecting piece, the connecting piece is fixed on the rotating shaft and extends radially relative to the rotating shaft, the transition piece is hinged with the frame, and the connecting piece is rotatably connected with the transition piece.

Optionally, the foldable bicycle further comprises a support rod and a sleeve, the rotating shaft is connected with the sleeve in a sliding mode, one end of the support rod is hinged to the sleeve, the other end of the support rod is hinged to the bicycle frame, and the sleeve enables the support rod and the rotating shaft to move relatively so that the rotating shaft and the support rod can be folded relative to the bicycle frame.

Optionally, a certain distance is reserved between the connecting point of the rotating shaft and the frame and between the supporting rod and the frame, and the rotating shaft, the frame and the supporting rod form a triangular structure.

Optionally, the support rod has a telescopic structure, such that the support rod is telescopic.

Optionally, the telescopic structure 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 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 bicycle further comprises a supporting rod and a kit, the rotating shaft is connected with the kit through a bearing, one end of the supporting rod is hinged to the kit, and the other end of the supporting rod is hinged to the bicycle frame.

Optionally, the support rod, the rotation shaft, the transition piece and the frame form a quadrilateral structure, so that the rotation shaft and the support rod can be folded relative to the frame.

Optionally, the seat is positionally adjustable fore and aft mounted on the frame.

Optionally, the frame is provided with a plurality of mounting holes, the seat is connected with the mounting holes through bolts, and the position of the seat can be adjusted by connecting the seat with different mounting holes.

Optionally, the seat comprises a base and a backrest, and the backrest is connected with the base through a lifting mechanism, so that the backrest can be lifted relative to the base.

Optionally, elevating system is including locating the loop bar of base, locating the body of rod of back and the locking piece with loop bar threaded connection, the body of rod is located in the loop bar, but locking piece and loop bar threaded connection support in can stretching into the loop bar the body of rod is in order to pin the body of rod.

Optionally, the base is connected with the loop bar through a cross bar, and the cross bar and the loop bar are integrally formed.

Optionally, the bar is foldable or the crossbar is foldable such that the back is foldable relative to the base.

Optionally, the seat comprises a base and a backrest, the backrest and base being connected reversibly such that the backrest is foldable relative to the base.

Optionally, the backrest and base are hinged by a pin so that the backrest can be folded relative to the base.

Optionally, the wheel assembly includes a front wheel assembly and a rear wheel assembly, the steering wheel assembly is connected with the front wheel assembly through a transmission assembly, the steering wheel assembly controls steering of the front wheel assembly through the transmission assembly, and the rear wheel assembly is provided with a driving mechanism for driving the kart.

Optionally, the transmission assembly comprises a rotating shaft, a connecting piece and transmission rods, one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is rotatably connected with the frame, the rotating shaft is fixedly connected with the connecting piece, the connecting piece is hinged to the two transmission rods respectively, the front wheel assembly comprises a right front wheel and a left front wheel, the right front wheel and the left front wheel are hinged to the frame respectively, and the transmission rods are hinged to the right front wheel and the left front wheel respectively.

Optionally, the driving assembly includes a rotating shaft, a connecting member, a transmission rod and a linkage rod, one end of the rotating shaft is connected to the steering wheel assembly, the other end of the rotating shaft is rotatably connected to the frame, the rotating shaft is fixedly connected to the connecting member, the connecting member is rotatably connected to the transmission rod, the front wheel assembly includes a front right wheel and a front left wheel, the front right wheel and the front left wheel are respectively hinged to the frame, the transmission rod is rotatably connected to the front right wheel or the front left wheel, the linkage rod is connected to the front right wheel and the front left wheel, so that the front right wheel and the front left wheel are linked, the driving mechanism is a hub motor, and the hub motor is an inner rotor type hub motor or an outer rotor type hub motor.

Optionally, the right and left front wheels each have a wheel axle, and the right and left front wheels are respectively articulated with the frame by the wheel axles.

Optionally, the linkage rods are respectively hinged with wheel axles of the right front wheel and the left front wheel.

Optionally, the drive link is articulated with the wheel axle of the front right wheel or the front left wheel.

Optionally, the connecting element is connected to the transmission rod via a universal joint, and/or the transmission rod is connected to the wheel axle via a universal joint.

Optionally, the universal rotating structure includes universal ball and articulated elements, the articulated elements has the hinge hole, the outer shape that the hinge hole inner wall was cambered surface and universal ball suits, universal ball is in the hinge hole.

Optionally, the middle part of the hinge hole can accommodate the maximum diameter part of the universal ball, and the end part of the hinge hole is smaller than the maximum diameter of the universal ball so as to prevent the universal ball from falling out of the hinge hole.

Optionally, the end of the ball is provided with a blocking member, and the size of the blocking member is larger than that of the end of the hinge hole to prevent the ball from falling out of the hinge hole.

Optionally, the rear wheel assembly includes a left rear wheel and a right rear wheel mounted on the frame, and only one of the left rear wheel and the right rear wheel is mounted with a hub motor, and the hub motor is detachably and fixedly connected or welded to the hub of the left rear wheel or the right rear wheel.

Optionally, the frame is of an integrally formed structure.

3. Advantageous effects

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

the utility model provides a pair of kart convenient to warehousing and transportation, its seat can be dismantled collapsiblely, and its drive assembly is collapsible, makes the volume reduction of kart be convenient for accomodate and transport.

Drawings

FIG. 1 is one of the schematic views of a carting car;

FIG. 2 is a second schematic view of the carting car;

FIG. 3 is a schematic view of a universal swivel arrangement;

FIG. 4 is a third schematic view of the carting car;

FIG. 5 is a schematic view of the locking mechanism of the kart;

FIG. 6 is a schematic diagram of the positioning member and the elastic rod of the carting car;

FIG. 7 is a schematic view of a positioning structure of the kart;

FIG. 8 is a schematic view of a seat of the kart.

The reference numerals in the schematic drawings illustrate:

1. a frame; 11. a seat; 111. a base; 1111. a cross bar; 1112. a loop bar; 112. a backrest; 1121. a rod body; 1122. a locking member; 12. a second limiting member; 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; 13. mounting holes; 2. a front wheel assembly; 21. a wheel shaft; 22. a first limit piece; 3. a steering wheel assembly; 41. a support bar; 42. a rotating shaft; 43. a transmission rod; 44. a linkage rod; 45. a poke rod; 46. a connecting member; 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; 6. a universal rotation structure; 61. a universal ball; 62. an articulation member; 63. a hinge hole; 64. a blocking member; 71. an auxiliary frame; 72. a kit; 73. a transition piece; 8. a rear wheel assembly.

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. 1-8, the carting car convenient for storage and transportation of the embodiment includes a frame 1, a steering wheel assembly 3, a front wheel assembly 2 and a transmission assembly, wherein the steering wheel assembly 3 controls the steering of the front wheel assembly 2 through the transmission assembly. The steering wheel assembly 3 comprises a steering wheel and a steering wheel shaft. The front wheel assembly 2 includes left and right front wheels each having a wheel axle 21. The transmission assembly comprises a rotating shaft 42, a connecting piece 46, a transmission rod 43 and a linkage rod 44, one end of the rotating shaft 42 is detachably connected with a steering wheel or a steering wheel shaft, and the other end of the rotating shaft 42 is connected with the frame 1 through a bearing. The rotating shaft 42 is fixedly connected with a connecting piece 46, the connecting piece 46 is hinged with a transmission rod 43, and the transmission rod 43 is hinged with the wheel axle 21 of the left front wheel or the wheel axle 21 of the right front wheel. The right front wheel and the left front wheel are respectively hinged with the frame 1 through the wheel shafts 21, and the linkage rod 44 is connected with the wheel shaft 21 of the right front wheel and the wheel shaft 21 of the left front wheel to enable the right front wheel and the left front wheel to be linked.

In other embodiments, the drive link 43 may be hinged to the linkage 44.

Referring to fig. 4, the transmission assembly includes a rotation shaft 42, a connecting piece 46 and a transmission rod 43, one end of the rotation shaft 42 is connected with the steering wheel assembly, the other end of the rotation shaft 42 is rotatably connected with the frame 1, the rotation shaft 42 is fixedly connected with the connecting piece 46, the connecting piece 46 is respectively hinged with the two transmission rods 43, the front wheel assembly includes a right front wheel and a left front wheel, the right front wheel and the left front wheel are respectively hinged with the frame 1, and the two transmission rods 43 are respectively hinged with the right front wheel and the left front wheel. The steering wheel assembly is rotated and controls the steering of the front right and left wheels through the transmission of the rotating shaft 42, the connecting member 46 and the transmission rod 43 in turn.

In a specific application, the steering wheel/steering wheel shaft is connected with the rotating shaft 42 in a threaded manner, or the steering wheel/steering wheel shaft is connected with the rotating shaft 42 through a bolt/screw.

With reference to fig. 2 and 3, a poke rod 45 is fixed on the wheel axle 21, the transmission rod 43 is connected to the wheel axle 21 through the poke rod 45, and the poke rod 45 is hinged to the transmission rod 43. The poke rod 45 is perpendicular to the linkage rod 44, and the poke rod 45 is perpendicular to the wheel axle 21.

In this embodiment, the linkage rod 44 is connected to the wheel axle 21 through a universal rotation structure 6. The universal rotating structure 6 comprises a hinge 62 arranged on the linkage rod 44 and a universal ball 61 arranged on the wheel shaft 21. The hinge 62 is provided with a hinge hole 63, and the inner wall of the hinge hole 63 is a cambered surface which is matched with the shape of the universal ball 61. The hinge hole 63 may receive a maximum diameter portion of the ball 61, and the end of the hinge hole 63 may have a size smaller than the maximum diameter of the ball 61 to prevent the ball 61 from being removed from the hinge hole 63. The end of the ball 61 is provided with a blocking member 64, and the size of the blocking member 64 is larger than that of the end of the hinge hole 63, so as to further prevent the ball 61 from falling out of the hinge hole 63. In specific application, the connecting piece 46 is connected with the transmission rod 43 through a universal rotating structure 6, and the transmission rod 43 is connected with the poke rod 45 through the universal rotating structure 6.

Referring to fig. 2, a limiting structure is disposed between the front wheel assembly 2 and the frame 1 to limit a rotation angle of the front wheel assembly 2 relative to the frame 1. The limiting structure comprises a first limiting part 22 arranged on the wheel shaft 21 and a second limiting part 12 arranged on the frame 1. The first limiting members 22 are disposed on the two wheel axles 21, and the second limiting members 12 are disposed on two sides of the frame 1. When the front wheel assembly 2 rotates rightwards for a certain angle, the first limiting member 22 disposed on the right front wheel axle 21 abuts against the second limiting member 12 on the right side of the frame 1, so as to limit the front wheel assembly 2 to continue rotating rightwards. When the front wheel assembly 2 turns left by a certain angle, the first limiting member 22 disposed on the left front wheel axle 21 abuts against the second limiting member 12 on the left side of the frame 1, so as to limit the front wheel assembly 2 to continue to turn left.

In this embodiment, the first limiting member 22 is integrally formed with the wheel axle 21 and perpendicular to the wheel axle 21, and the linkage rod 44 is connected to the wheel axle 21 through the first limiting member 22.

With reference to fig. 1, 2 and 4, the support rod 41 is hinged to the frame 1, the support rod 41 is hinged to the sleeve 72, the sleeve 72 is sleeved on the rotating shaft 42, the sleeve 72 and the rotating shaft 42 can slide relatively, the connecting member 46 is hinged to the transition member 73 and can rotate relative to the transition member 73, and the transition member 73 is hinged to the frame 1, so that the support rod 41 and the rotating shaft 42 can be folded relative to the frame 1. In other embodiments, the support rod 41 is hinged to a sleeve 72, the sleeve 72 is sleeved on the rotating shaft 42, the sleeve 72 and the rotating shaft 42 are relatively slidable, the rotating shaft 42 is connected to a transition piece 73 through a bearing, and the transition piece 73 is hinged to the frame 1, so that the support rod 41 and the rotating shaft 42 can be folded relative to the frame 1. In other embodiments the sleeve 72 is coupled to the rotating shaft 42 by a bearing.

The connecting point of the rotating shaft and the frame 1 and the connecting point of the support rod 41 and the frame 1 have certain distances, and the rotating shaft 42, the frame 1 and the support rod 41 form a triangular structure.

With reference to fig. 1 and 2, the bicycle further comprises an auxiliary frame 71, wherein one end of the auxiliary frame 71 is hinged to the bicycle frame 1, and the other end of the auxiliary frame 71 is fixedly connected to the sleeve 72. The auxiliary frame 71 is used for assisting in fixing the rotating shaft 42. One end of the rotating shaft 42 is hinged with the auxiliary frame 71 through a bearing.

When the sleeve 72 is slidably connected to the rotating shaft 42, a fixing mechanism is provided between the sleeve 72 and the rotating shaft 42 to fix the sleeve 72 and the rotating shaft 42 relatively, so that the rotating shaft 42 is fixed to facilitate the operation of the steering wheel assembly 3. Alternatively, the sleeve 72 and the rotating shaft 42 have a large friction therebetween, and the sleeve 72 and the rotating shaft 42 can slide relative to each other only by overcoming the large friction.

Referring to fig. 4, the support rod 41, the rotation shaft 42, the transition member 73 and the frame 1 form a quadrilateral structure, and the quadrilateral structure may be changed due to instability of the quadrilateral structure, so that the rotation shaft 42 and the support rod 41 can be folded with respect to the frame 1. The hinged part of the transition piece 73 and the frame 1 is provided with a fixing mechanism, and/or the hinged part of the connecting piece 46 and the transition piece 73 is provided with a fixing mechanism, and/or the hinged part of the support rod 41 and the frame 1 is provided with a fixing mechanism, so that the parallelogram structure is stable through the fixing mechanism, and the rotating shaft 42 is fixed to facilitate the operation of the steering wheel assembly 3.

With reference to fig. 5, the supporting rod 41 has a telescopic structure, the telescopic structure 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, one end of the first adjusting rod 51 is hinged to the kit, 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, meanwhile, the steering wheel assembly is acted, so that the first adjusting rod 51 and the second adjusting rod 52 move relatively, when the fixing member 512 moves to the next positioning hole 521, the elastic member 511 extends, so that the fixing member 512 is in the positioning hole 521, and the height of the steering wheel is adjusted.

With reference to fig. 4, the frame 1 is an integrally formed structure, or the frame 1 is an integrally fixed structure, and the frame is not adjustable.

With reference to fig. 1, 2, 6 and 7, the frame 1 has a retractable structure, and the retractable structure of the frame 1 is the same as the telescopic structure. Or, the retraction structure 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 in threaded connection with the second rod 122 through the threaded hole, the positioning column 1221 extends into the fixing hole, and the cover 1223 is pulled 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.

Be equipped with location structure between elastic rod and the setting element, location structure includes lid 1223 and locates the first chamber 1227 that holds setting element one end in the lid 1223 and establishes the screens step 1226 of first chamber 1227 lateral wall, lid 1223 with elastic rod fixed connection, the shape of first chamber 1227 with setting element one end shape suits. 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.

The kart is provided with a rear wheel assembly 8, the rear wheel assembly 8 comprises a left rear wheel and a right rear wheel, one of the left rear wheel and the right rear wheel is provided with an in-wheel motor, the kart is driven by the in-wheel motor to move, and the in-wheel motor is an inner rotor type in-wheel motor or an outer rotor type in-wheel motor. The hub motor is detachably and fixedly connected or welded with the hub of the left rear wheel or the right rear wheel

A seat 11 is mounted on the frame 1, and the seat 11 includes a base 111 and a backrest 112. The backrest 112 is connected with the base 111 through a lifting mechanism, so that the backrest 112 can be lifted relative to the base 111. The lifting mechanism includes a loop bar 1112 disposed on the base 111, a rod 1121 disposed on the backrest 112, and a locking member 1122 in threaded connection with the loop bar 1112. The rod 1121 is disposed in the sleeve rod 1112, and the rod 1121 can move relative to the sleeve rod 1112 to lift the backrest 112. The locking member 1122 is threadedly engaged with the rod 1112 and can extend into the rod 1112 to abut against the rod 1121 to lock the rod 1121. The base 111 is connected with the loop bar 1112 through a cross bar 1111, and the cross bar 1111 and the loop bar 1112 are integrally formed. The rod 1121 or the cross bar 1111 can be folded such that the backrest 112 can be folded with respect to the base 111. The frame 1 is provided with a plurality of mounting holes 13, the mounting holes 13 are arranged at equal intervals, and the base 111 is connected with the mounting holes 13 through bolts. The base 111 can adjust the position of the seat 11 by connecting with different mounting holes.

In other embodiments, the back and base are hinged by a pin so that the back can be folded relative to the base.

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 (32)

1. The kart convenient to store and transport comprises a frame, wheel assemblies, a seat, a transmission assembly and a steering wheel assembly, wherein the wheel assemblies are installed on the frame, the seat is installed on the frame, the steering wheel assembly is in transmission connection with the wheel assemblies through the transmission assembly so as to control the steering of the kart, and the transmission assembly is in foldable connection with the frame; the transmission assembly comprises a rotating shaft, the steering wheel assembly comprises a steering wheel and a steering wheel shaft arranged on the steering wheel,

the steering wheel shaft and the rotating shaft are detachably or foldably connected, the seat is at least partially detachably or foldably installed on a frame, and the transmission assembly is hinged with the frame so that the transmission assembly can be folded relative to the frame.

2. The carting car convenient for storage and transportation according to claim 1, wherein the steering wheel shaft is connected with the rotating shaft by a screw thread, a bolt, a buckle or a hinged shaft.

3. The carting car convenient for storage and transportation according to claim 1, wherein one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is hinged with the frame through a transition piece, and the rotating shaft is hinged with the transition piece through a bearing.

4. The carting car of claim 1, wherein one end of said rotating shaft is connected to said steering wheel assembly and the other end of said rotating shaft is pivotally connected to said frame by a transition member and a connecting member, said connecting member being fixed to said rotating shaft and said connecting member extending radially with respect to said rotating shaft, said transition member being pivotally connected to said frame, said connecting member being pivotally connected to said transition member.

5. The carting car convenient for storage and transportation of claim 3, further comprising a support rod and a sleeve, wherein the rotating shaft is slidably connected with the sleeve, one end of the support rod is hinged with the sleeve, the other end of the support rod is hinged with the frame, and the sleeve enables the support rod and the rotating shaft to move relatively so that the rotating shaft and the support rod can be folded relative to the frame.

6. The carting car convenient for storage and transportation of claim 5, wherein the connecting point of the rotating shaft and the car frame and the connecting point of the supporting rod and the car frame have a certain distance, and the rotating shaft, the car frame and the supporting rod form a triangular structure.

7. The carting car convenient for storage and transportation according to claim 5, wherein said support rod has a telescopic structure, so that said support rod is telescopic.

8. The carting car convenient for storage and transportation of claim 7, wherein the telescopic structure 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.

9. The carting car of claim 8, 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 alignment holes disposed on the other, the resilient member having an insertion portion that extends into and out of the alignment holes, the first adjustment lever being fixed relative to the second adjustment lever when the insertion portion extends into the alignment holes, the first adjustment lever being movable relative to the second adjustment lever when the insertion portion is out of the alignment holes.

10. The carting car convenient for storage and transportation according to claim 9, wherein the elastic component comprises an elastic member and a fixing member, the fixing member forms the extending portion, the elastic member is arranged 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 arranged in the receiving hole and protrudes out of the surface of the first adjusting lever.

11. The carting car convenient for storage and transportation of claim 3, further comprising a support rod and a sleeve, wherein the rotating shaft is connected with the sleeve through a bearing, one end of the support rod is hinged with the sleeve, and the other end of the support rod is hinged with the frame.

12. The carting car of claim 11, wherein the support bar, the pivot shaft, the transition member and the frame form a quadrilateral configuration such that the pivot shaft and the support bar are foldable relative to the frame.

13. The carting car of claim 1, wherein said seat is mounted to said frame for fore and aft positional adjustment.

14. The carting car of claim 13, wherein said frame is provided with a plurality of mounting holes, said seats are connected to said mounting holes by bolts, and said seats are connected to different mounting holes to adjust the positions of said seats.

15. The carting car convenient for storage and transportation according to claim 1, wherein the seat comprises a base and a backrest, the backrest is connected with the base through a lifting mechanism, so that the backrest can be lifted relative to the base.

16. The carting car of claim 15, wherein the lifting mechanism comprises a sleeve disposed on the base, a rod disposed on the backrest, and a locking member threadably engaged with the sleeve, the rod disposed within the sleeve, the locking member threadably engaged with the sleeve and extending into the sleeve to engage the rod to lock the rod.

17. The carting car of claim 16, wherein the base is connected to the stem by a cross bar, the cross bar being integrally formed with the stem.

18. The carting car of claim 17, wherein said bar is foldable or said cross bar is foldable to allow said back to be folded with respect to said base.

19. The carting car of claim 1, wherein said seat includes a base and a back, said back and base being reversibly connected such that said back is foldable relative to said base.

20. The carting car of claim 19, wherein said back and base are hinged by a pin to allow said back to fold relative to said base.

21. The carting car of any one of claims 1 to 20, wherein said wheel assemblies comprise a front wheel assembly and a rear wheel assembly, said steering wheel assembly being connected to said front wheel assembly via a drive assembly, said steering wheel assembly controlling the steering of said front wheel assembly via said drive assembly, said rear wheel assembly being provided with a drive mechanism for driving said carting car.

22. The carting car convenient for storage and transportation of claim 21, wherein the transmission assembly comprises a rotating shaft, a connecting piece and transmission rods, one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is rotatably connected with the frame, the rotating shaft is fixedly connected with the connecting piece, the connecting piece is respectively hinged with the two transmission rods, the front wheel assembly comprises a right front wheel and a left front wheel, the right front wheel and the left front wheel are respectively hinged with the frame, and the two transmission rods are respectively hinged with the right front wheel and the left front wheel.

23. The carting car convenient for storage and transportation of claim 21, wherein the driving assembly comprises a rotating shaft, a connecting piece, a transmission rod and a linkage rod, one end of the rotating shaft is connected with the steering wheel assembly, the other end of the rotating shaft is rotatably connected with the frame, the rotating shaft is fixedly connected with the connecting piece, the connecting piece is rotatably connected with the transmission rod, the front wheel assembly comprises a right front wheel and a left front wheel, the right front wheel and the left front wheel are respectively hinged with the frame, the transmission rod is rotatably connected with the right front wheel or the left front wheel, the linkage rod is connected with the right front wheel and the left front wheel to enable the right front wheel and the left front wheel to be linked, the driving mechanism is an in-wheel motor, and the in-wheel motor is an inner rotor type in-wheel motor or an outer rotor type in-wheel motor.

24. The carting car of claim 23, wherein each of said right and left front wheels has a wheel axle, said right and left front wheels being respectively articulated to the frame by the wheel axles.

25. The carting car convenient for storage and transportation of claim 24, wherein the linkage rods are respectively hinged with wheel axles of the right front wheel and the left front wheel.

26. The carting car of claim 24, wherein said driving rod is hinged to the wheel axle of the right front wheel or the left front wheel.

27. The carting car of claim 26, wherein said connector is connected to said drive link by a universal swivel and/or said drive link is connected to said wheel axle by a universal swivel.

28. The carting car convenient for storage and transportation of claim 27, wherein the universal rotation structure comprises a universal ball and a hinge member, the hinge member has a hinge hole, the inner wall of the hinge hole is cambered to fit the shape of the universal ball, and the universal ball is arranged in the hinge hole.

29. The carting car of claim 28, wherein said central portion of said hinge hole is adapted to receive a maximum diameter portion of said ball and said end portion of said hinge hole is sized to be smaller than a maximum diameter of said ball to prevent said ball from escaping from said hole.

30. The carting car of claim 28, wherein said ball end is provided with a stop member, said stop member having a size larger than the end of said hinge hole to prevent said ball from coming out of said hole.

31. The carting car of claim 23, wherein said rear wheel assembly comprises left and right rear wheels mounted on the frame, and a hub motor is mounted to only one of said left and right rear wheels, said hub motor being removably fixedly attached to or welded to said hub of said left or right rear wheel.

32. The carting car of any one of claims 1 to 20 and 22 to 31, wherein said frame is of an integrally formed construction.

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