Child scooter with tire replacement assembly

The design of the annular plate and the guide rope solves the problem that the wheels of existing children's scooters cannot be removed at the same time, realizes the rapid replacement of tires, and improves the replacement efficiency.

CN223467252UActive Publication Date: 2025-10-24KUNSHAN LITTLE DINASAUR CHILD PROD
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Patent Information

Application Number
CN202423207663.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-10-24
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The wheels of existing children's scooters cannot be removed at the same time, resulting in a slow replacement speed.

Method used

The design of an annular plate and a guide rope is adopted. The annular plate applies tension to disengage the transmission block from the front wheel clamping, and the elastic force of the return spring is used to realize the simultaneous removal and installation of the four wheels.

Benefits of technology

The quick replacement of the tires of the children's scooter is realized, the replacement efficiency is improved, and the time waste caused by individually disassembling each wheel is avoided.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a child scooter with a tire replacing assembly, which belongs to the technical field of child scooters and comprises a pedal, a long shaft is rotatably connected to the inner wall of the pedal, two front wheels are arranged on the outer side of the long shaft, two circular grooves are formed in the inner wall of each front wheel, two fixing plates are fixedly connected to the inner wall of the long shaft, and the tire replacing assembly is fixedly connected to the inner wall of the long shaft. The upper surface and the bottom face of each fixing plate are fixedly connected with square plates, the inner wall of each square plate is rotationally connected with a roller, the upper surface and the bottom face of each fixing plate are fixedly connected with two reset springs, and the ends, away from the fixing plates, of each set of reset springs are fixedly connected with transmission blocks. According to the child scooter with the tire replacement assembly, two newly-installed front wheels are slowly rotated till transmission blocks are clamped into circular grooves in the front wheels again, and therefore the purpose of tire replacement is achieved, and the situation that in the using process of the device, the two front wheels cannot be detached at the same time, and the tire replacement efficiency is improved is effectively avoided. And the replacement speed is relatively slow.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of children's scooters, and particularly relates to a children's scooter with a tire replacement assembly. BACKGROUND

[0002] A children's scooter is a toy for children and belongs to a children's vehicle. Children can exercise flexibility of the body, improve reaction speed, increase exercise amount, and strengthen resistance of the body by frequently riding the children's scooter. However, wheels of the children's scooter are easily damaged during use. In order to facilitate replacement of the wheels, the existing children's scooter is provided with a replacement assembly.

[0003] The utility model discloses a children's scooter with a tire replacement assembly, which includes a vehicle body, a front wheel and a replacement device. The inner wall of the vehicle body is rotationally connected with a handle. The side of the vehicle body close to the handle is provided with an adjuster. The side of the vehicle body is rotationally connected with a rear wheel. The two sides of the handle are fixedly connected with mounting rods.

[0004] The above technical scheme is adopted. When disassembly is needed, the clamping rod is slid to one side. The elastic force of the elastic force deformation of the limiting spring makes the clamping rod lose the restraint on the limiting rod. The elastic force of the compressed spring is released, and the limiting rod loses the restraint on the clamping block. The rotating sleeve is rotated, and the clamping block loses the restraint on the front wheel. Thus, the disassembly is completed. However, the above technical scheme can only disassemble the two wheels one by one, and the disassembly speed is slow.

[0005] Therefore, the children's scooter with a tire replacement assembly is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The application aims to solve the problem that the wheels cannot be simultaneously disassembled in the prior art and provides a children's scooter with a tire replacement assembly.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme.

[0008] The utility model provides a child scooter with tire replacement assembly, including the pedal, the inner wall of pedal is rotatably connected with long shaft, the outside of long shaft is provided with two front wheels, the inner wall of every front wheel is opened with two circular grooves, the inner wall of long shaft is fixedly connected with two fixed plates, the upper surface and bottom of every fixed plate all are fixedly connected with square plate, the inner wall of every square plate all is rotatably connected with the cylinder, the upper surface and bottom of every fixed plate all are fixedly connected with two reset springs, the one end of every group reset spring away from fixed plate all are fixedly connected with transmission block, the outer surface of every transmission block all is slidably connected in the inside of long shaft, the outer surface of every transmission block all is clamped in the inside of front wheel, the end of two groups transmission block mutually close is fixedly connected with guide rope, the outer surface of guide rope is contacted with the outer surface of two groups cylinder, the one end of guide rope close to pedal penetrates long shaft and extends to the outside of long shaft, the one end of guide rope close to pedal is fixedly connected with annular plate, the outer surface of annular plate is adsorbed to the outer surface of long shaft.

[0009] Preferably, the inner wall of the pedal is rotatably connected with a short shaft, the outer surface of the short shaft is fixedly connected with a rear wheel, and the upper surface of the pedal is fixedly connected with a fender.

[0010] Preferably, the upper surface of the pedal is fixedly connected with a fixed block, and the upper surface of the fixed block is fixedly connected with a fixed cylinder.

[0011] Preferably, the inner wall of the fixed cylinder is threadedly connected with a threaded shaft, and the top end of the threaded shaft is fixedly connected with a handle.

[0012] Preferably, the front surface of the pedal is provided with two clamping grooves, and the inside of each clamping groove is clamped with a clamping block.

[0013] Preferably, the ends of the two clamping blocks away from the pedal are fixedly connected with a baffle, and the outer surfaces of the baffle are respectively in contact with the front surface of the pedal and the bottom surface of the pedal.

[0014] In summary, the technical effects and advantages of the present application are:

[0015] By setting the annular plate, the annular plate can be used to exert a pulling force on the guide rope, so that the four transmission blocks can be pulled towards the direction of the fixed plate by the guide rope, and the transmission blocks will exert a pressure on the return spring, so that the return spring is deformed and shrunk until the transmission blocks are disengaged from the clamping relationship with the front wheels, thereby the two front wheels can be disassembled at one time, when the front wheels need to be installed, the annular plate also needs to be pulled, the transmission blocks are pulled into the inside of the long shaft by the annular plate and the guide rope, then the two front wheels to be installed are inserted into the outside of the long shaft, then the pulling force on the annular plate is stopped, at this time the transmission blocks will not be pulled by the guide rope, but will be pulled by the elastic force when the return spring is expanded, then the two newly installed front wheels are slowly rotated until the transmission blocks are clamped in the inside of the circular groove of the front wheels, thereby the purpose of replacing the tires is achieved, so that the problem that the device cannot simultaneously disassemble the two front wheels during use, resulting in slow replacement speed, is effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the child scooter with the tire replacement assembly of the utility model;

[0017] Figure 2 It is a three-dimensional structure schematic view of the front wheel of the utility model;

[0018] Figure 3 It is a three-dimensional structure schematic view of the annular plate of the utility model;

[0019] Figure 4 It is a three-dimensional structure schematic view of the return spring of the utility model.

[0020] In the drawing: 1, pedal; 2, short shaft; 3, rear wheel; 4, fender; 5, long shaft; 6, front wheel; 7, baffle; 8, fixed block; 9, fixed cylinder; 10, threaded shaft; 11, handle; 12, annular plate; 13, clamping block; 14, clamping groove; 15, guide rope; 16, transmission block; 17, square plate; 18, fixed plate; 19, circular groove; 20, roller; 21, return spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] REFERENCE Figures 1-4The utility model provides a child scooter with tire replacement assembly, including the pedal 1, the inner wall rotationally connected with long shaft 5 of pedal 1, the outer side of long shaft 5 is provided with two front wheels 6, the inner wall rotationally connected with short shaft 2 of pedal 1, the outer surface of short shaft 2 is fixedly connected with rear wheel 3, the upper surface of pedal 1 is fixedly connected with mudguard 4, can avoid the mud of rear wheel 3 when rotating and fly in the leg of user with mudguard 4.

[0023] The inner wall of each front wheel 6 is provided with two circular grooves 19, the inner wall of long shaft 5 is fixedly connected with two fixed plates 18, the upper surface and bottom surface of each fixed plate 18 are fixedly connected with square plate 17, the inner wall of each square plate 17 is rotationally connected with roller 20, the upper surface and bottom surface of each fixed plate 18 are fixedly connected with two reset springs 21, the upper surface of fixed block 8 is fixedly connected with fixed cylinder 9, by being provided with fixed block 8 and fixed cylinder 9, the fixed cylinder 9 is more stable by the fixed block 8.

[0024] The end of each set of reset springs 21 away from fixed plate 18 is fixedly connected with transmission block 16, the outer surface of each transmission block 16 is slidably connected to the inside of long shaft 5, the outer surface of each transmission block 16 is clamped to the inside of front wheel 6, the ends of the two sets of transmission blocks 16 close to each other are fixedly connected with guide rope 15, the inner wall of fixed cylinder 9 is threadedly connected with threaded shaft 10, the top end of threaded shaft 10 is fixedly connected with handle 11, by being provided with threaded shaft 10 and handle 11, the overall height of handle 11 can be adjusted by the threaded connection between threaded shaft 10 and fixed cylinder 9.

[0025] The outer surface of guide rope 15 is in contact with the outer surfaces of the two sets of rollers 20, the end of guide rope 15 close to pedal 1 penetrates long shaft 5 and extends to the outside of long shaft 5, the end of guide rope 15 close to pedal 1 is fixedly connected with annular plate 12, the front of pedal 1 is provided with two clamping grooves 14, each clamping groove 14 is clamped with clamping block 13, by being provided with clamping groove 14 and clamping block 13, the front of pedal 1 can be installed with protective equipment by the relationship that clamping block 13 is clamped in clamping groove 14.

[0026] The outer surface of annular plate 12 is adsorbed to the outer surface of long shaft 5, the ends of the two clamping blocks 13 away from pedal 1 are fixedly connected with baffle 7, the outer surface of baffle 7 is in contact with the front of pedal 1 and the bottom of pedal 1 respectively, by being provided with baffle 7, pedal 1 can be prevented from entering the surface of long shaft 5 and annular plate 12 during movement by baffle 7, and protection is provided for both.

[0027] The working principle of the utility model is: when using, when the wheel needs to be replaced, the baffle 7 and the clamping block 13 need to be pulled out from the inside of the clamping groove 14, then the long shaft 5 is rotated, the annular plate 12 outside the long shaft 5 is rotated to the front, it needs to be understood that the annular plate 12 is prepared from a magnet, and the long shaft 5 is prepared from iron, therefore the annular plate 12 can be adsorbed on the surface of the long shaft 5, the annular plate 12 can exert a pulling force on the guide rope 15, thereby the four transmission blocks 16 can be pulled to the direction of the fixed plate 18 by the guide rope 15, and the transmission block 16 will exert a pressure on the reset spring 21, the reset spring 21 is deformed and shrinks, until the transmission block 16 is separated from the clamping relationship with the front wheel 6, thereby the two front wheels 6 can be disassembled at one time, when the front wheel 6 needs to be installed, the annular plate 12 also needs to be pulled, the transmission block 16 is pulled into the inside of the long shaft 5 by the annular plate 12 and the guide rope 15, then the two front wheels 6 to be installed are inserted to the outside of the long shaft 5, then the pulling force of the annular plate 12 is stopped, at this moment the transmission block 16 will not be pulled by the guide rope 15, but will be pulled by the elastic force when the reset spring 21 is unfolded, then the two newly installed front wheels 6 are slowly rotated, until the transmission block 16 is clamped in the circular groove 19 in the inner wall of the front wheel 6, thereby the purpose of replacing the tire is achieved, thereby effectively avoiding that the device cannot disassemble the two front wheels 6 at the same time in the process of using, leading to the problem that the replacement speed is relatively slow.

[0028] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0029] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0030] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A child scooter with a tire changing assembly comprising a deck (1), characterized in that: The inner wall of the pedal (1) is rotationally connected with a long shaft (5), the outer side of the long shaft (5) is provided with two front wheels (6), the inner wall of each front wheel (6) is provided with two circular grooves (19), the inner wall of the long shaft (5) is fixedly connected with two fixed plates (18), the upper surface and the bottom surface of each fixed plate (18) are fixedly connected with a square plate (17), the inner wall of each square plate (17) is rotationally connected with a roller (20), the upper surface and the bottom surface of each fixed plate (18) are fixedly connected with two reset springs (21), the ends, away from the fixed plate (18), of each reset spring (21) are fixedly connected with a transmission block (16), the outer surface of each transmission block (16) is slidably connected to the inside of the long shaft (5), the outer surface of each transmission block (16) is clamped to the inside of the front wheel (6), the ends, close to each other, of the two groups of transmission blocks (16) are fixedly connected with a guide rope (15), the outer surface of the guide rope (15) is in contact with the outer surfaces of the two groups of rollers (20), the end, close to the pedal (1), of the guide rope (15) penetrates through the long shaft (5) and extends to the outside of the long shaft (5), the end, close to the pedal (1), of the guide rope (15) is fixedly connected with an annular plate (12), the outer surface of the annular plate (12) is adsorbed to the outer surface of the long shaft (5).

2. A child's scooter having a tyre replacement assembly according to claim 1, characterised in that: The inner wall of the pedal (1) is rotationally connected with a short shaft (2), the outer surface of the short shaft (2) is fixedly connected with a rear wheel (3), and the upper surface of the pedal (1) is fixedly connected with a mudguard (4).

3. A child's scooter having a tyre replacement assembly according to claim 1, characterised in that: The upper surface of the pedal (1) is fixedly connected with a fixed block (8), and the upper surface of the fixed block (8) is fixedly connected with a fixed cylinder (9).

4. A child's scooter having a tyre replacement assembly according to claim 3, wherein: The inner wall of the fixed cylinder (9) is threadedly connected with a threaded shaft (10), and the top end of the threaded shaft (10) is fixedly connected with a handle (11).

5. A child's scooter having a tire replacement assembly as defined in claim 1, wherein: The front surface of the pedal (1) is provided with two clamping grooves (14), and each clamping groove (14) is clamped with a clamping block (13).

6. A child's scooter having a tyre replacement assembly according to claim 5, wherein: The ends, away from the pedal (1), of the two clamping blocks (13) are fixedly connected with a baffle (7), and the outer surface of the baffle (7) is in contact with the front surface of the pedal (1) and the bottom surface of the pedal (1) respectively.

Citation Information

Patent Citations

  • Tire replacement assembly for child scooter

    CN216269705U