CN221316520U - Five-way dismounting and mounting structure of children bicycle - Google Patents

Five-way dismounting and mounting structure of children bicycle Download PDF

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Publication number
CN221316520U
CN221316520U CN202323576568.1U CN202323576568U CN221316520U CN 221316520 U CN221316520 U CN 221316520U CN 202323576568 U CN202323576568 U CN 202323576568U CN 221316520 U CN221316520 U CN 221316520U
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China
Prior art keywords
frame
bicycle
way
children
main frame
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CN202323576568.1U
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Chinese (zh)
Inventor
黎补彬
黎梦
黎文兵
胡永胜
付大明
马书生
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Bengbu Furui Electromechanical Technology Co ltd
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Bengbu Furui Electromechanical Technology Co ltd
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Abstract

The utility model relates to the technical field of bicycles, and particularly discloses a five-way dismounting and mounting structure of a children bicycle, which comprises a children bicycle frame and a five-way pipe, wherein the children bicycle frame comprises a frame main frame, a mounting block is welded on the side surface of the lower end of the frame main frame, a front group of threaded holes and a rear group of threaded holes are formed in the mounting block, a connecting plate is attached to the mounting block, a through hole aligned with each threaded hole is formed in the connecting plate, a connecting bolt matched with the threaded hole is arranged in the through hole, the five-way pipe is welded with the side surface of the lower end of the connecting plate, and the five-way pipe is perpendicular to the plane of the frame main frame; the five-way dismounting and mounting structure of the children bicycle disclosed by the utility model realizes the function of one bicycle with multiple purposes, effectively improves the practical value of the children bicycle, and simultaneously has simpler structure, so that the processing cost of the frame is lower and the attractiveness is higher.

Description

Five-way dismounting and mounting structure of children bicycle
Technical Field
The utility model relates to the technical field of bicycles, and particularly discloses a five-way dismounting and mounting structure of a children bicycle.
Background
The children bicycle is a bicycle of a subdivided type, and the main body structure of the children bicycle is not greatly different from that of a common bicycle, and mainly is designed for children riding in a miniaturized manner. The existing children bicycle mainly comprises a frame, wheels, pedals, a chain transmission part, a seat cushion and other parts, wherein the five-way part in the frame and the whole frame are welded and fixed, a pedal crankshaft penetrates through the five-way rotation design, and then a chain wheel in the chain transmission part is arranged at one side end of the pedal crankshaft.
For example, the patent of 2018210676550 discloses a children bicycle, which comprises a frame body, wherein the frame body is of an integrated structure, the frame body comprises a front fork sleeve, an upper frame, a lower frame, a seat sleeve, a pedal sleeve, a rear fork, a front support rod and a rear support rod, the front end of the upper frame and the front end of the lower frame are connected with the front fork sleeve, the rear end of the upper frame is connected with the seat sleeve, the rear end of the lower frame is connected with the pedal sleeve, the rear fork comprises a rear upper fork and a rear lower fork, the front end of the rear upper fork is connected with the seat sleeve, the front end of the rear lower fork is connected with the middle part of the upper frame, the lower end of the front support rod is connected with the pedal sleeve, the upper end of the rear support rod is connected with the rear upper fork, the lower end of the rear support rod is connected with the pedal sleeve, and the rear upper fork is provided with a brake mounting hole. The five-way bicycle disclosed by the patent is integrally fixed and formed with the bicycle frame, so that the pedal crank shaft and the chain transmission part cannot be detached from the bicycle frame together with the five-way bicycle to be used as a baby walker, the baby walker is required to be additionally purchased to be used as a child earlier stage learning, the use period of the baby walker is short, and the consumption burden of consumers is not required to be increased. Based on the defects of the existing children bicycle, the utility model provides a five-way dismounting and mounting structure of the children bicycle, so that a pedal crank shaft and a chain transmission part in the children bicycle can be dismounted from a frame together with the five-way as a children walker.
Disclosure of utility model
The utility model aims to provide a five-way dismounting and mounting structure of a children bicycle, so that a pedal crank shaft and a chain transmission part in the children bicycle can be dismounted from a frame together with the five-way as a children walker.
The utility model is realized by the following technical scheme:
the utility model provides a child bicycle five-way dismantlement mounting structure, includes child bicycle frame and five-way pipe, child bicycle frame includes the frame owner bone, the welding has the installation piece on the lower extreme side of frame owner bone, has seted up two sets of screw holes around on the installation piece, the laminating has the connecting plate on the installation piece, has seted up the through-hole that aligns with every screw hole on the connecting plate, be provided with in the through-hole with screw hole assorted connecting bolt, five-way pipe welds mutually with the lower extreme side of connecting plate, and the plane setting of five-way pipe perpendicular to frame owner bone.
As a further arrangement of the scheme, the shape of the main frame is Z-shaped, the children bicycle frame further comprises a head pipe connected to the upper end of the main frame, a front wheel frame is rotationally connected to the head pipe, and a rear wheel frame is connected to the lower end of the main frame.
As a further arrangement of the scheme, the upper end of the main frame bone is provided with an extension bar bent towards the upper part of the rear wheel frame, and a seat tube which is inclined downwards and penetrates through the lower end of the main frame bone is fixedly arranged in the extension bar.
As a further arrangement of the above, the front wheel frame is rotatably provided with front wheels, and the rear wheel frame is rotatably provided with rear wheels.
As a further arrangement of the scheme, the five-way pipe is rotatably connected with a pedal crankshaft through a built-in bearing, a chain transmission part is arranged at the side end of the pedal crankshaft, and the other end of the chain transmission part is connected with a wheel shaft of a rear wheel.
Compared with the prior art, the utility model has at least the following beneficial effects:
1. The five-way dismounting and mounting structure of the children bicycle can quickly dismount and connect the connecting plate, the five-way pipe and the main frame bone through the connecting bolts; when the bicycle is used as a baby walker, the connecting plate and the five-way pipe are directly arranged, then the pedal crank shaft and the chain transmission part are connected with the five-way pipe and the rear wheel axle to form the bicycle, and when the bicycle is used as a baby walker, the connecting plate, the five-way pipe, the pedal crank shaft and the chain transmission part are directly taken down; the whole five-way dismounting and mounting structure of the children bicycle realizes the function of one bicycle with multiple functions, and effectively improves the practical value of the children bicycle.
2. The five-way dismounting and mounting structure of the children bicycle disclosed by the utility model also simplifies the structure of the whole bicycle frame on the premise of ensuring the stability of the whole bicycle frame by the structural design of the main frame, so that the processing cost of the bicycle frame is lower and the attractive degree is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a front view of the present utility model;
fig. 2 is a schematic perspective view of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The present application will be described in detail with reference to fig. 1 to 2, and examples thereof.
Example 1
Embodiment 1 discloses a five-way dismounting and mounting structure of a children bicycle, and the following description is made with reference to the structure of the whole children bicycle frame. Referring to fig. 1, the frame comprises a zigzag frame main rib 1 which is integrally bent from a steel pipe. The upper end of the frame main frame 1 is welded with a head pipe 2, the head pipe 2 is rotatably connected with a front wheel frame 3, a front wheel 4 is rotatably arranged in the front wheel frame 3, and a handle frame (not shown in the figure) is fixedly connected with the top of the front wheel frame 3, which extends out of the head pipe 2. A rear wheel frame 5 is welded to the lower end of the frame main frame 1, and then a rear wheel 6 is rotatably provided in the rear wheel frame 5. Meanwhile, an extension bar 7 bent above the rear wheel frame 5 is arranged at the upper end of the frame main frame 1, a seat tube 8 which is inclined downwards and penetrates through the lower end of the frame main frame 1 is fixedly arranged in the extension bar 7, and a saddle seat tube (not shown in the figure) can be inserted into the seat tube 8. The integral baby carrier frame can be used as a baby walker when a pedal crank shaft and a chain transmission part are not installed.
Referring to fig. 1 and 2, a mounting block 9 is welded to a side surface of a frame main rib 1 near a lower end of a seat tube 8, a front and rear set of screw holes 901 are formed in the mounting block 9, and the screw holes 901 are provided toward a front wheel frame 3. The connecting plate 10 is attached to the surface of the mounting block 9, through holes 101 aligned with the threaded holes 901 are formed in the connecting plate 10, connecting bolts 11 matched with the threaded holes 901 are arranged in the through holes 101 in a penetrating mode, and the connecting plate 10 and the mounting block 9 can be stably connected through the connecting effect of the two groups of connecting bolts 11 and the threaded holes 901.
The lower end side of the connecting plate 10 is welded with a five-way pipe 12 which is perpendicular to the plane of the main frame 1, the front end and the rear end of the five-way pipe 12 are respectively provided with a built-in bearing, then a pedal crankshaft penetrates through the five-way pipe 12 and is connected with the built-in bearings, meanwhile, one side end of the pedal crankshaft is provided with a chain transmission part 13, and the other end of the chain transmission part 13 is connected with a wheel shaft of the rear wheel 6. The frame of the children bicycle is fixedly connected with the mounting block 9 and the five-way pipe 12 and the main frame 1 through the connecting bolts 11, and then the pedal crankshaft and the chain transmission part are connected with the five-way pipe 12 and the rear wheel 6, so that the common children bicycle can be formed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (5)

1. The utility model provides a child bicycle five-way dismantlement mounting structure, includes child bicycle frame and five-way pipe, its characterized in that, child bicycle frame includes the frame owner bone, the welding has the installation piece on the lower extreme side of frame owner bone, has seted up two sets of screw holes around on the installation piece, the laminating has the connecting plate on the installation piece, has seted up the through-hole that aligns with every screw hole on the connecting plate, be provided with in the through-hole with screw hole assorted connecting bolt, five-way pipe welds with the lower extreme side of connecting plate mutually, and the plane setting of five-way pipe perpendicular to frame owner bone.
2. The assembly and disassembly structure of a bicycle for children according to claim 1, wherein the main frame is arranged in a zigzag shape, the bicycle frame for children further comprises a head pipe connected to the upper end of the main frame, the head pipe is rotatably connected with a front wheel frame, and the lower end of the main frame is connected with a rear wheel frame.
3. The assembly and disassembly structure of the bicycle for children according to claim 2, wherein an extension bar bent above the rear wheel frame is arranged at the upper end of the main frame bone, and a seat tube which is inclined downwards and penetrates through the lower end of the main frame bone is fixedly arranged in the extension bar.
4. The child bicycle five-way disassembly and assembly structure according to claim 2, wherein front wheels are rotatably provided in the front wheel frame, and rear wheels are rotatably provided in the rear wheel frame.
5. The assembly and disassembly structure of the bicycle for children according to claim 4, wherein the five-way pipe is rotatably connected with a pedal crankshaft through a built-in bearing, a chain transmission part is arranged at the side end of the pedal crankshaft, and the other end of the chain transmission part is connected with a wheel shaft of a rear wheel.
CN202323576568.1U 2023-12-27 2023-12-27 Five-way dismounting and mounting structure of children bicycle Active CN221316520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323576568.1U CN221316520U (en) 2023-12-27 2023-12-27 Five-way dismounting and mounting structure of children bicycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323576568.1U CN221316520U (en) 2023-12-27 2023-12-27 Five-way dismounting and mounting structure of children bicycle

Publications (1)

Publication Number Publication Date
CN221316520U true CN221316520U (en) 2024-07-12

Family

ID=91792808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323576568.1U Active CN221316520U (en) 2023-12-27 2023-12-27 Five-way dismounting and mounting structure of children bicycle

Country Status (1)

Country Link
CN (1) CN221316520U (en)

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