CN220096541U - Standing and sitting dual-purpose child scooter - Google Patents

Abstract

The utility model discloses a standing and sitting dual-purpose child scooter, and belongs to the technical field of child scooters. The utility model provides a stand and sit dual-purpose children scooter, includes car pole, car base, seat board, turns to locking mechanical system, turns over to mechanism and infinitely shift locking mechanical system, and car pole and car base can dismantle the connection, infinitely shift locking mechanical system and car pole sliding connection for adjust and control the height of seat board, seat board and infinitely shift locking mechanical system are rotated through turning over to the mechanism and are connected, are used for switching the position of seat board and running-board, thereby realize the altitude mixture control and the upset of seat board, satisfy the normal use of the not high children stand and sit the both modes.

Description

Standing and sitting dual-purpose child scooter

Technical Field

The utility model belongs to the technical field of children's scooters, and particularly relates to a standing and sitting dual-purpose children's scooter.

Background

The child scooter is a fashionable sports and leisure tool, is deeply favored by children, and is popular with parents because the child scooter has the advantages of body exercise, reaction speed improvement, balance improvement and the like. The child scooter comprises a two-wheeled scooter, a frog scooter and a multi-wheeled scooter, wherein the two-wheeled scooter is the most original style of the scooter, the requirement on the balance of a user is high, the frog scooter uses two legs to push inwards and outwards, the operation difficulty is high, and the wheels of the multi-wheeled scooter are increased on the basis of the two-wheeled scooter, so that the stability of the scooter is improved.

However, in the existing child scooter, standing and sitting cannot be achieved, and the standing type scooter can support the legs in a standing manner by adding the seat plate to the scooter, so that the sliding operation during daily standing is affected; meanwhile, as the height of the children is changed quickly, the additionally arranged seat plate cannot meet the requirements of the children in different time, and the too high or too low seat plate influences the comfort level when sitting down.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a standing and sitting dual-purpose child scooter which can realize the height adjustment and overturning of a seat plate and can meet the normal use of standing and sitting modes of children with different heights.

The utility model relates to a standing and sitting dual-purpose child scooter which comprises a scooter rod, a scooter base, a seat plate, a steering locking mechanism, a turning mechanism and an infinite shift locking mechanism, wherein the scooter rod is detachably connected with the scooter base, the seat plate is rotationally connected with the infinite shift locking mechanism through the turning mechanism, and the infinite shift locking mechanism is in sliding connection with the scooter rod.

The vehicle base comprises a front wheel, a rear wheel, a bottom plate and braking plates, wherein the front wheel and the rear wheel are arranged on the front side and the rear side of the bottom plate, the braking plates are hinged with the bottom plate above the bottom plate at the position of the rear wheel, the braking plates are contacted with the rear wheel to increase friction so as to achieve a braking effect, and springs are arranged on the two sides of the rear wheel to support the braking plates in a conventional state so as to avoid contact with the rear wheel; the surface of the bottom plate is provided with a sedimentation tank for placing the seat plate.

The seat plate comprises a pedal and a seat plate, the pedal and the seat plate are detachably connected, and the interior of the seat plate is fixedly connected with the turning mechanism; under the pedal up state, the seat board can be embedded into the interior of the sedimentation tank through the infinite gear shifting locking mechanism, so that the whole scooter is neat in structure.

The infinite gear shifting locking mechanism comprises a first pressing plate, a connecting sleeve and a limiting plate, wherein the connecting sleeve is used for coating a vehicle rod and is in sliding connection with the vehicle rod, the first pressing plate is hinged with the connecting sleeve, one end of the connecting plate is hinged with the pressing plate, the other end of the connecting plate is connected with one end of the limiting plate, a waist-shaped hole is formed in the other end of the connecting plate, a round hole at one end of the limiting plate is movably connected with the waist-shaped hole, the center position of the limiting plate is hinged with the connecting sleeve, and one end far away from the connecting plate is close to the vehicle rod; two inclined planes with different inclined angles are arranged in the connecting sleeve at the upper position of the limiting plate, and when the limiting plate is close to the inclined plane with a larger inclined angle, the limiting plate is not contacted with the trolley rod; when the limiting plate is close to the inclined plane with smaller inclined angle, the limiting plate is contacted with the vehicle rod, so that the aim of locking the position of the infinite gear shifting locking mechanism is fulfilled by friction caused by contact with the vehicle rod; a reset spring is detachably arranged between the connecting plate and the first pressing plate, and the limiting plate vehicle rod is kept tightly abutted under the normal state without the action of external force; the spring is arranged inside the connecting plate, and two ends of the spring are detachably connected with the limiting plate and the connecting plate and used for further deepening the conflict between the limiting plate and the vehicle rod, so that the position of the infinite gear shifting locking mechanism is further locked.

As a further improvement of the utility model, the front wheel comprises a front wheel, a chassis and an axle, wherein the front wheel is fixedly connected with the axle, the chassis is provided with a through hole, and the axle is rotationally connected with the inner wall of the through hole; a steering shaft is fixedly arranged above the chassis and is rotationally connected with the vehicle base, and the direction of the front wheels is adjusted along with the rotation of the steering shaft.

As a further improvement of the utility model, the steering locking mechanism comprises a button, a limiting shaft, a first spring, a first shaft sleeve, a connecting piece and a locking shaft, wherein a first tooth column is arranged at the bottom of the button, a second tooth column is arranged above the limiting shaft, the first tooth column is meshed with the second tooth column, the first shaft sleeve covers the button and the whole body of the limiting shaft, a sliding rail for fixing the movement direction of the button is arranged on the inner wall of the shaft sleeve, a boss is arranged on the surface of the button and is in sliding connection with the sliding rail, and the button pops up at the top of the first shaft sleeve; the connecting piece is positioned above the front wheel chassis and is a combined body formed by fixedly connecting two shaft barrels, the limiting shaft is rotationally connected with one side shaft barrel of the connecting piece, which is close to the vehicle rod, the shaft barrel below the limiting shaft is sleeved with a first spring, and the locking shaft is detachably connected with one side of the connecting piece, which is far away from the vehicle rod; the chassis of the front wheel is provided with a limiting groove, the locking shaft enters the limiting groove, and the front wheel is locked in the direction, so that the front wheel is prevented from rotating around the steering shaft, and the locking effect is achieved.

As a further improvement of the utility model, the turning mechanism comprises a top ball, a second shaft sleeve, a rotating shaft, a limiting rod, a second spring, a connecting rod, a chute block and a bearing, wherein the top ball is fixedly connected with a pedal or a seat plate; the infinite shift locking mechanism is provided with a first connecting hole and a second connecting hole at the bottom of the connecting sleeve, the periphery of the bearing is detachably connected with the inner wall of the first connecting hole, and the second shaft sleeve is rotatably connected with the inner wall of the first connecting hole through the bearing; the limiting rods are positioned on two sides of the rotating shaft, and one side of the limiting rods, which is far away from the top ball, is in sliding connection with the inner wall of the connecting hole II; the surfaces of the rotating shaft and the limiting rod are provided with through holes, the rotating shaft and the limiting rod are clamped with the connecting rod through the through holes, the sliding chute blocks are detachably arranged on two sides of the seat plate, and two ends of the connecting rod are in sliding connection with the sliding chute blocks on two sides, so that the sliding distance between the rotating shaft and the limiting rod is limited; the rotating shaft and the limiting rod slide towards the top ball position, so that the limiting rod slides out from the second connecting hole, and the turning mechanism is only in rotary connection with the connecting hole through the second shaft sleeve, so that the seat plate can be turned around the rotating shaft, and the purpose of switching the seat plate and the foot pedal is achieved.

As a further improvement of the utility model, the vehicle rod comprises a handle, an inner rod, an outer rod and a connecting locking part, wherein the outer rod is detachably connected with the vehicle base, the inner rod is arranged inside the outer rod and is in sliding connection with the outer rod, the handle is detachably connected with the top of the inner rod, the surface of the outer rod is provided with a slideway, and the connecting locking part is detachably arranged on the surface of the slideway of the outer rod.

As a further improvement of the utility model, the connecting and locking part comprises a shaft sleeve III, a pressing plate II, a bearing plate, a spring III and a limiting block, wherein the shaft sleeve III is sleeved on the surface of the outer rod, the pressing plate II is hinged with the shaft sleeve III at the position above the shaft sleeve III, the middle part of the bearing plate is hinged with the middle part of the shaft sleeve III, one side, close to the shaft sleeve III, above the bearing plate is elastically connected with the surface of the shaft sleeve III through the spring III, the other side, above the bearing plate, is fixedly provided with a step, and the pressing plate II presses the step position to enable the bearing plate to rotate around the hinged position; a limiting block is detachably connected below the bearing plate, a through hole is formed in the surface of the outer rod at the position of the limiting block, a slotted hole is formed in the position of the inner rod, and the limiting block is clamped into the slotted hole under the action of a spring III; pressing the pressing plate II enables the limiting block to extend out of the slot hole, and at the moment, the handle is lifted to lift the inner rod, so that the height of the handle is adjusted.

Compared with the prior art, the utility model has the beneficial effects that: by arranging the turning mechanism, the pedal and the seat plate can be turned and switched, so that the scooter can achieve the purpose of standing and sitting; the seat plate is controlled by arranging the infinite gear shifting locking mechanism, so that the seat plate can be adjusted up and down at the vehicle rod, and the seat plate can be adapted to users with different heights; the sedimentation tank is arranged on the scooter base, so that the seat plate can sink into the sedimentation tank when the scooter stands and slides, the seat plate and the scooter base are combined into a whole, and the whole scooter is neat in structure; the steering locking mechanism is arranged at the front wheel, and the limiting groove on the chassis of the front wheel is locked in the direction by the locking shaft of the steering locking mechanism by pressing the button; the locking shaft is controlled to enter and exit the limiting groove on the front wheel chassis by meshing the tooth column between the button and the limiting shaft and combining the boss in the second shaft sleeve and the first spring below the limiting shaft, so that the front wheel is controlled to rotate around the vehicle base; the inner rod and the outer rod are fixed through the connecting locking part, and the inner rod can be controlled to extend out of the inner rod, so that the height of the handle is adjusted.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the vehicle chassis structure of the present utility model;

FIG. 3 is a schematic view of a seat plate structure of the present utility model;

FIG. 4 is a schematic illustration of a semi-sectional structure of an infinite shift lock mechanism according to the present utility model;

FIG. 5 is a schematic view of a front wheel partially in semi-section according to the present utility model;

FIG. 6 is a schematic view of a partial semi-section of the steering lock mechanism of the present utility model;

FIG. 7 is a schematic view of the structure of the turning mechanism of the present utility model;

FIG. 8 is a schematic view of a partial semi-sectional structure of a vehicle stem according to the present utility model;

fig. 9 is a partially semi-sectioned schematic view of the connection locking portion of the present utility model.

The reference numerals in the figures illustrate:

1 car lever, 11 handle, 12 inner lever, 13 outer lever, 14 connection locking part, 141 axle sleeve three, 142 pressing plate two, 143 bearing plate, 144 spring three, 145 stopper, 2 car base, 21 front wheel, 211 front wheel, 212 chassis, 2121 limit groove, 2122 steering shaft, 213 axle, 22 rear wheel, 23 bottom plate, 231 settling tank, 24 brake plate, 3 seat plate, 31 pedal, 32 seat plate, 4 steering locking mechanism, 41 button, 411 tooth column one, 42 limit shaft, 421 tooth column two, 43 spring one, 44 axle sleeve one, 45 connecting piece, 46 locking shaft, 5 turning mechanism, 51 top ball, 52 axle sleeve two, 53 rotation axis, 54 limit lever, 55 spring two, 56 connecting rod, 57 chute block, 58 bearing, 6 infinite shift locking mechanism, 61 pressing plate one, 62 connecting plate, 63 connecting sleeve, 64 limit plate, 65 connecting hole one, 66 connecting hole two.

Detailed Description

First embodiment: referring to fig. 1-9, a standing and sitting dual-purpose child scooter comprises a scooter rod 1, a scooter base 2, a seat plate 3, a steering locking mechanism 4, a turning mechanism 5 and an infinite gear shifting locking mechanism 6, wherein the scooter rod 1 is detachably connected with the scooter base 2, the seat plate 3 is rotatably connected with the infinite gear shifting locking mechanism 6 through the turning mechanism 5, and the infinite gear shifting locking mechanism 6 is slidably connected with the scooter rod 1.

The vehicle base 2 comprises a front wheel 21, a rear wheel 22, a bottom plate 23 and braking plates 24, wherein the front wheel 21 and the rear wheel 22 are arranged on the front side and the rear side of the bottom plate 23, the braking plates 24 are hinged with the bottom plate 23 above the bottom plate 23 at the position of the rear wheel 22, the braking plates 24 are contacted with the rear wheel 22 to increase friction so as to achieve a braking effect, springs are arranged on the two sides of the rear wheel 22, and the braking plates 24 are supported in a normal state so as to avoid contact with the rear wheel 22; the surface of the bottom plate 23 is provided with a settling tank 231, and the contour of the settling tank 231 is the same as that of the seat plate 3 for placing the seat plate 3.

The seat plate 3 comprises a foot pedal 31 and a seat plate 32, the foot pedal 31 and the seat plate 32 are detachably connected, and the inside of the seat plate is fixedly connected with the turning mechanism 5; in the upward state of the foot pedal 31, the seat plate 3 can be completely embedded into the sedimentation tank 231 through the infinite shift locking mechanism 6, and no redundant parts leak, so that the whole scooter is neat in structure.

The infinite gear shifting locking mechanism 6 comprises a first pressing plate 61, a connecting plate 62, a connecting sleeve 63 and a limiting plate 64, wherein the connecting sleeve 63 covers the vehicle rod 1 and is in sliding connection with the vehicle rod 1, the first pressing plate 61 is hinged with the connecting sleeve 63, one end of the connecting plate 62 is hinged with the pressing plate 61, a waist-shaped hole is formed in the other end of the connecting plate 62, a round hole at one end of the limiting plate 64 is movably connected with the waist-shaped hole, the center position of the limiting plate 64 is hinged with the connecting sleeve 63, and one end far away from the connecting plate 62 is close to the vehicle rod 1; a reset spring is detachably arranged between the connecting plate 62 and the first pressing plate 61, and the limiting plate 64 is kept tightly abutted against the vehicle rod 1 under the normal condition without the action of external force; a spring is arranged in the connecting plate 62, and two ends of the spring are detachably connected with the limiting plate 64 and the connecting plate 62, so that the interference between the limiting plate 62 and the vehicle rod 1 is further deepened; when the first pressing plate 61 is pulled upwards, the first pressing plate 61 pulls the connecting plate 62 to move upwards, so that the limiting plate 64 is driven to be in a contact state with the vehicle rod 1, and the height of the infinite shift locking mechanism 6 can be adjusted up and down at the moment; when the first pressing plate 61 is loosened, under the action of a return spring, the position of the connecting plate 62 moves downwards due to the elasticity, and the connecting plate 62 drives the limiting plate 64 to be in contact with the vehicle rod 1; when the infinite shift locking mechanism 6 is subjected to downward load as a whole, friction between the infinite shift locking mechanism and the vehicle rod 1 is further increased, and the purpose of locking the position of the infinite shift locking mechanism 6 is achieved.

Specifically, the front wheel 21 includes a front wheel 211, a chassis 212, and an axle 213, the front wheel 211 is fixedly connected with the axle 213, through holes are formed on two sides of the chassis 212, and the axle 213 is rotatably connected with an inner wall of the through hole; a steering shaft 2122 is fixedly mounted above the chassis 212, and the steering shaft 2122 is rotatably connected to the floor 23 of the vehicle base 2, and the direction of the front wheels 21 is adjusted in accordance with the rotation of the steering shaft 2122.

Specifically, the steering locking mechanism 4 includes a button 41, a limiting shaft 42, a first spring 43, a first shaft sleeve 44, a connecting piece 45 and a locking shaft 46, a first toothed column 411 is arranged at the bottom of the button 41, a second toothed column 421 is arranged above the limiting shaft 42, the first toothed column 411 is meshed with the second toothed column 421, the first shaft sleeve 44 covers the whole body of the button 41 and the limiting shaft 42, a sliding rail for fixing the movement direction of the button 41 is arranged on the inner wall of the button 41, a boss is arranged on the surface of the button 41 and is in sliding connection with the sliding rail, and the button 41 pops up at the top of the first shaft sleeve 44; when the button 41 is pressed, the second tooth post 421 is pushed by the first tooth post 411 to move downwards, and the second tooth post 421 slides along with the inclined plane of the surfaces of the first tooth post 411 and the second tooth post 421 under the action of the first spring 43, so that the second tooth post 421 can rotate to adjacent positions to form a height difference, and the pressing and bouncing effects can be completed repeatedly; the connecting piece 45 is positioned above the chassis 212 of the front wheel 21 and is a combined body formed by fixedly connecting two shaft barrels, the limiting shaft 42 is rotationally connected with one side shaft barrel of the connecting piece 45, which is close to the vehicle rod 1, the shaft barrel below the limiting shaft 42 is sleeved with the first spring 43, and the locking shaft 46 is detachably connected with one side of the connecting piece 45, which is far away from the vehicle rod 1; the chassis 212 of the front wheel 21 is provided with a limit groove 2121, and when the locking shaft 46 enters the limit groove 2121, the front wheel 21 is limited from rotating around the steering shaft 2122, so that the locking effect is achieved.

Specifically, the turning mechanism 5 includes a top ball 51, a second sleeve 52, a rotation shaft 53, a limit rod 54, a second spring 55, a connecting rod 56, a chute block 57 and a bearing 58, where the top ball 51 is fixedly connected with the foot rest 31 or the seat 32, one end of the second spring 55 is fixed or props against the top ball 51, one end contacts the rotation shaft 53, the second sleeve 52 wraps the rotation shaft 53 and the second spring 55, and is detachably connected with the bearing 58 on one side far away from the top ball 51, and the outer wall of the rotation shaft 53 is slidably connected with the inner wall of the second sleeve 52; the infinite shift locking mechanism 6 is provided with a first connecting hole 65 and a second pair of connecting holes 66 at the bottom of the connecting sleeve 63, the periphery of the bearing 58 is detachably connected with the inner wall of the first connecting hole 65, and the second shaft sleeve 52 is rotatably connected with the inner wall of the first connecting hole 65 through the bearing 58; the limiting rods 54 are positioned on two sides of the rotating shaft 53, and one side far away from the top ball 51 is in sliding connection with the inner wall of the second connecting hole 66; the surfaces of the rotating shaft 53 and the limiting rod 54 are provided with through holes, the rotating shaft 53 and the limiting rod 54 are clamped with the connecting rods 56 through the through holes, the sliding chute blocks 57 are detachably arranged on two sides of the seat plate 3, two ends of the connecting rods 56 are in sliding connection with the sliding chute blocks 57 on two sides, so that the sliding distance between the rotating shaft 53 and the limiting rod 54 is limited, and the connecting rods 56 are arranged on two sides of the limiting rod 54; the rotating shaft 53 and the limiting rod 54 slide towards the top ball 51, so that the limiting rod 54 slides out from the second connecting hole 66, and the turning mechanism 5 is only in rotary connection with the first connecting hole 65 through the second shaft sleeve 52, so that the seat plate 3 can be turned around the second shaft sleeve 52, and the purpose of switching the seat plate 32 and the foot pedal 31 is achieved.

Specifically, the vehicle rod 1 comprises a handle 11, an inner rod 12, an outer rod 13 and a connecting locking part 14, wherein the outer rod 13 is detachably connected with the vehicle base 2, the inner rod 12 is arranged inside the outer rod 13 and is in sliding connection with the outer rod 13, the handle 11 is detachably connected with the top of the inner rod 12, a slideway is arranged on the surface of the outer rod 13, and the connecting locking part 14 is detachably arranged on the surface of the slideway of the outer rod 13.

Specifically, the connection locking portion 14 includes a third shaft sleeve 141, a second pressing plate 142, a bearing plate 143, a third spring 144 and a limiting block 145, the third shaft sleeve 141 is sleeved on the surface of the outer rod 13, the second pressing plate 142 is hinged to the third shaft sleeve 141 above the third shaft sleeve 141, the middle of the bearing plate 143 is hinged to the middle of the third shaft sleeve 141, one side, above the bearing plate 143, close to the third shaft sleeve 141 is elastically connected with the surface of the third shaft sleeve 141 through the third spring 144, a step is fixedly mounted on the other side above the bearing plate 143, and the pressing plate 142 presses the step position to enable the bearing plate 143 to rotate around the hinged position; a limiting block 145 is detachably connected below the bearing plate 143, a through hole is formed in the surface of the outer rod 13 at the position of the limiting block 145, slotted holes are uniformly formed in the inner rod 12, and the limiting block 145 is clamped into one slotted hole under the action of a third spring 144; pressing the second pressing plate 142 will make the limiting block 145 extend out of the slot hole, at this time, the handle 11 is lifted to lift the inner rod 12, so as to adjust the height of the handle 11, after the handle is adjusted to a proper height, the second pressing plate 142 is released, the limiting block 145 is driven by the third spring 144 to pass through the through hole to enter the slot hole, and the position of the inner rod 145 is fixed, so that the purpose of adjusting the height of the handle 11 is achieved.

The above-mentioned detachable connection and detachable installation are understood to be represented as fixed connection and fixed installation in the use state and as detachable in the maintenance or installation. The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The children scooter for standing and sitting is characterized by comprising a vehicle rod (1), a vehicle base (2), a seat plate (3), a steering locking mechanism (4), a turning mechanism (5) and an infinite gear shifting locking mechanism (6), wherein the vehicle rod (1) is detachably connected with the vehicle base (2), the seat plate (3) is rotationally connected with the infinite gear shifting locking mechanism (6) through the turning mechanism (5), and the infinite gear shifting locking mechanism (6) is in sliding connection with the vehicle rod (1);

the vehicle base (2) comprises a front wheel (21), a rear wheel (22), a bottom plate (23) and braking plates (24), wherein the front wheel (21) and the rear wheel (22) are arranged on the front side and the rear side of the bottom plate (23), the braking plates (24) are hinged with the bottom plate (23) above the bottom plate (23) at the position of the rear wheel (22), and a sedimentation tank (231) is formed in the surface of the bottom plate (23);

the seat plate (3) comprises a foot pedal (31) and a seat plate (32), the foot pedal (31) and the seat plate (32) are detachably connected, and the inside of the seat plate is fixedly connected with the turning mechanism (5);

the infinite gear shifting locking mechanism (6) comprises a first pressing plate (61), a connecting plate (62), a connecting sleeve (63) and a limiting plate (64), wherein the connecting sleeve (63) is used for wrapping a vehicle rod (1) and is in sliding connection with the vehicle rod (1), the first pressing plate (61) is hinged with the connecting sleeve (63), one end of the connecting plate (62) is hinged with the first pressing plate (61), the other end of the connecting plate is connected with one end of the limiting plate (64), the other end of the limiting plate (64) is close to the vehicle rod (1), and the infinite gear shifting locking mechanism (6) is locked by extruding the vehicle rod (1).

2. The standing and sitting dual-purpose child scooter according to claim 1, wherein the front wheel (21) comprises a front wheel (211), a chassis (212) and an axle (213), the front wheel (211) is fixedly connected with the axle (213), the chassis (212) is provided with a through hole, and the axle (213) is rotatably connected with the inner wall of the through hole; a steering shaft (2122) is fixedly arranged above the chassis (212), the steering shaft (2122) is rotationally connected with the vehicle base (2), and the direction of the front wheels (21) is rotationally adjusted along with the steering shaft (2122).

3. The standing and sitting dual-purpose child scooter according to claim 1, wherein the steering locking mechanism (4) comprises a button (41), a limiting shaft (42), a first spring (43), a first shaft sleeve (44), a connecting piece (45) and a locking shaft (46), a first toothed column (411) is arranged at the bottom of the button (41), a second toothed column (421) is arranged above the limiting shaft (42), the first toothed column (411) is meshed with the second toothed column (421), the first shaft sleeve (44) covers the whole body of the button (41) and the limiting shaft (42), a sliding rail for fixing the movement direction of the button (41) is arranged on the inner wall, a boss is arranged on the surface of the button (41) and is in sliding connection with the sliding rail, and the button (41) pops out at the top of the first shaft sleeve (44); the connecting piece (45) is positioned above the front wheel (21) and is a combined body formed by fixedly connecting two shaft barrels, the limiting shaft (42) is rotatably connected with one side shaft barrel of the connecting piece (45) close to the vehicle rod (1), the shaft barrel below the limiting shaft (42) is sleeved with the first spring (43), and the locking shaft (46) is detachably connected with one side of the connecting piece (45) far away from the vehicle rod (1); the chassis (212) of the front wheel (21) is provided with a limit groove (2121), and the locking shaft (46) enters the limit groove (2121) to lock the direction of the front wheel (21).

4. The dual-purpose child scooter of claim 1, wherein the turning mechanism (5) comprises a top ball (51), a shaft sleeve two (52), a rotating shaft (53), a limiting rod (54), a spring two (55), a connecting rod (56), a sliding groove block (57) and a bearing (58), the top ball (51) is fixedly connected with a foot pedal (31) or a seat plate (32), one end of the spring two (55) is tightly attached to the top ball (51), one end of the spring two is contacted with the rotating shaft (53), the shaft sleeve two (52) wraps the rotating shaft (53) and the spring two (55) and is detachably connected with the bearing (58) at one side far away from the top ball (51), the bearing (58) is detachably connected with a connecting sleeve (63), the limiting rod (54) is located at two sides of the rotating shaft (53) and is slidably connected with the connecting sleeve (63), through holes are formed in surfaces of the rotating shaft (53) and the limiting rod (54), the rotating shaft (53) and the limiting rod (54) are clamped with the connecting rod (56) through the through holes, two ends of the connecting rod (56) are slidably connected with the sliding groove blocks (57) at two sides, and the sliding groove block (57) are detachably arranged at two sides of the connecting rod (57).

5. The standing and sitting dual-purpose child scooter according to claim 1, wherein the scooter rod (1) comprises a handle (11), an inner rod (12), an outer rod (13) and a connecting locking part (14), the outer rod (13) is detachably connected with the scooter base (2), the inner rod (12) is arranged inside the outer rod (13) and is slidably connected with the outer rod (13), the handle (11) is detachably connected with the top of the inner rod (12), a slideway is arranged on the surface of the outer rod (13), and the connecting locking part (14) is detachably arranged on the slideway surface of the outer rod (13).

6. The dual-purpose child scooter for standing and sitting according to claim 5, wherein the connecting locking part (14) comprises a shaft sleeve III (141), a pressing plate II (142), a bearing plate (143), a spring III (144) and a limiting block (145), the shaft sleeve III (141) is sleeved on the surface of the outer rod (13), the pressing plate II (142) is hinged with the shaft sleeve III (141) at a position above the shaft sleeve III (141), the middle part of the bearing plate (143) is hinged with the middle part of the shaft sleeve III (141), one side, close to the shaft sleeve III (141), above the bearing plate (143) is elastically connected with the surface of the shaft sleeve III (141) through a spring III (144), a step is fixedly arranged on the other side above the bearing plate (143), the pressing plate II (142) presses the step position to enable the bearing plate (143) to rotate around the hinged position, the limiting block (145) is detachably connected below the bearing plate II, the surface of the outer rod (13) is provided with a through hole at the limiting block (145), the inner rod (12) is provided with a slot hole, and the limiting block (145) is blocked into the inside under the action of the spring III (144).