CN210681027U - Folding bicycle for children - Google Patents

Abstract

The utility model relates to a foldable children's bicycle, including frame, connection saddle and the rear wheel subassembly in the frame rear end, the frame front end install the sleeve, the front fork is installed to this sleeve internal rotation, the front fork lower extreme install the front wheel, the both sides of this front wheel all are provided with the running-board, front fork upper portion be the hollow tube, sleeve upper end rotate and be connected with the direction pole, this direction pole cavity and inside slidable mounting have the inserted bar, the upper portion of direction pole in install the spring that links to each other with the inserted bar, install gliding switch from top to bottom on the lateral wall of this direction pole, switch one end pass the direction pole and link to each other with the inserted bar, the inserted bar lower extreme insert in the hollow tube, the upper end bilateral symmetry of direction pole be provided with the handlebar. The utility model discloses can fold the deformation, reduce occupation space, convenient transportation and storage.

Description

Folding bicycle for children

Technical Field

The utility model relates to a children's bicycle technical field especially relates to a foldable children's bicycle.

Background

At present, a child bicycle is popular among many children as a common child walking tool and toy. The existing domestic and foreign children's bicycles can not be effectively and successfully folded due to the complex structure, so that the volume of the bicycle body is overlarge, and the storage and transportation cost is increased; in addition, the assembly trouble is brought to the dealer, and the sales volume of the factory is directly influenced. Therefore, how to optimize the child bicycle is a problem to be solved.

Disclosure of Invention

The utility model aims to solve the technical problem that a foldable children's bicycle is provided, can fold and warp, reduce occupation space, convenient transportation and storage.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a foldable children's bicycle, includes the frame, connects saddle and the rear wheel subassembly at the frame rear end, the frame front end install the sleeve, the front fork is installed to this sleeve internal rotation, the front fork lower extreme install the front wheel, the both sides of this front wheel all are provided with the running-board, front fork upper portion be the hollow tube, sleeve upper end rotate and be connected with the direction pole, this direction pole cavity and inside slidable mounting have the inserted bar, the upper portion of direction pole in install the spring that links to each other with the inserted bar, install gliding switch from top to bottom on the lateral wall of this direction pole, switch one end pass the direction pole and link to each other with the inserted bar, the inserted bar lower extreme insert in the hollow tube, the upper end bilateral symmetry of direction pole be provided with the handlebar.

As a supplement to the technical scheme of the utility model, the upper portion of steering yoke install the shell outward.

As a supplement to the technical solution of the present invention, the lower end of the sleeve is provided with a mudguard.

As right technical scheme a supplement, sleeve upper end install and rotate the seat, should rotate seat upper end middle part and open and have U type breach, the outside of steering yoke lower extreme install the rotation portion of platykurtic, should rotate the portion and rotate through the pivot and install in U type breach, the lateral wall of inserted bar lower extreme on open and to have a word through-hole that supplies the pivot to pass, this word through-hole is arranged along the axial of inserted bar.

As right technical scheme a supplement, the rear end of frame install and adjust the seat, should adjust the seat upper end and install the saddle, regulation seat internal rotation be connected with spacing seat, should spacing seat one end link to each other with the rear wheel subassembly, spacing seat in install spring plunger, the lateral wall of spacing seat is passed to this spring plunger one end, the lateral wall of regulation seat on open and to have the spacing hole that matches with spring plunger, still install the button seat on the lateral wall of this regulation seat, the button seat on be provided with two and spacing corresponding button in hole.

As right technical scheme a supplement, the rear wheel subassembly include linking bridge, rear wheel support and rear wheel, the both ends of rear wheel support all rotate and install the rear wheel, be provided with the linking bridge who links to each other with spacing seat on this rear wheel support.

As right technical scheme a supplement, rear wheel support and linking bridge between fixed mounting have the storage tank.

Has the advantages that: the utility model relates to a folding children bicycle, an upward slide switch, a switch drives an inserted bar to move upward together, so that the inserted bar can be pulled out of a hollow tube, at the moment, the lower end of a direction bar can rotate relative to a rotating seat, parts such as the direction bar, a handlebar and the like are bent towards the direction of a frame, the occupied space is reduced, the transportation and the storage are convenient, the switch is loosened, and a spring can assist the switch in resetting; two buttons and two spacing hole one-to-one, a spacing hole corresponds the position that linking bridge expandes, and another spacing hole corresponds the position that linking bridge drawn in, and spacing hole is inserted to plunger one end, realizes fixing between linking bridge and the regulation seat, presses the button that corresponds, alright extrude spacing hole with the plunger, realizes the unblock between linking bridge and the regulation seat, can rotate relatively between linking bridge and the regulation seat, reduces occupation space. The utility model also has the advantages of simple structure, convenient use, folding and deformation, etc.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

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

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a handlebar, a housing, a direction lever, a switch, a rotating portion and an insertion rod according to the present invention;

FIG. 5 is a schematic structural view of the handlebar, direction lever, switch and rotating part of the present invention;

fig. 6 is a schematic structural view of the front fork of the present invention;

fig. 7 is a schematic structural view of the insert rod of the present invention;

fig. 8 is a schematic structural view of the wheel assembly of the present invention;

fig. 9 is a schematic structural view of the connecting bracket, the limiting seat, the button seat and the adjusting seat according to the present invention;

fig. 10 is a schematic structural view of the connecting bracket, the limiting seat and the adjusting seat according to the present invention;

fig. 11 is a schematic structural view of the connecting bracket and the limiting seat according to the present invention;

fig. 12 is a schematic structural view of the connecting bracket and the limiting seat according to the present invention;

fig. 13 is a sectional view in the direction of fig. 12B-B according to the present invention.

The figure is as follows: 1. the bicycle comprises a handlebar, 2, a rotating seat, 3, a sleeve, 4, a front fork, 5, a front wheel, 6, a pedal, 7, a frame, 8, an adjusting seat, 9, a saddle, 10, a button seat, 11, a rear wheel assembly, 12, a shell, 13, a direction rod, 14, a spring, 15, an insertion rod, 16, a switch, 17, a rotating part, 18, a straight through hole, 19, a hollow pipe, 20, a connecting support, 21, a storage box, 22, a rear wheel, 23, a rear wheel support, 24, a limiting seat, 25, a limiting hole, 26, a spring plunger, 27, a button, 28, a plunger, 29 and a mudguard.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to a folding type children bicycle, as shown in figures 1-13, which comprises a frame 7, a saddle 9 connected with the rear end of the frame 7 and a rear wheel component 11, wherein the front end of the frame 7 is provided with a sleeve 3, a front fork 4 is rotatably arranged in the sleeve 3, a front wheel 5 is arranged at the lower end of the front fork 4, foot pedals 6 are arranged on two sides of the front wheel 5, the upper part of the front fork 4 is a hollow pipe 19, the upper end of the sleeve 3 is rotatably connected with a direction rod 13, the direction rod 13 is hollow, an inserted rod 15 is installed inside the direction rod 13 in a sliding mode, a spring 14 connected with the inserted rod 15 is installed inside the upper portion of the direction rod 13, a switch 16 which can slide up and down is arranged on the outer side wall of the direction rod 13, one end of the switch 16 passes through the direction rod 13 and is connected with the inserted link 15, the lower end of the insert rod 15 is inserted into the hollow tube 19, and the handlebars 1 are symmetrically arranged on two sides of the upper end of the direction rod 13. When the switch 16 is slid upwards, the switch 16 carries the insertion rod 15 upwards together, so that the insertion rod 15 is pulled out of the hollow tube 19, at this time, the lower end of the direction rod 13 can rotate relative to the rotating seat 2, the direction rod 13, the handlebar 1 and other parts are bent towards the direction of the frame 7, the occupied space is reduced, the transportation and the storage are convenient, the switch 16 is loosened, and the spring 14 can assist the switch 16 to reset. The switch 16 comprises a connecting rod and a sliding cover, a straight through hole for the connecting rod to slide is also formed in the outer side wall of the direction rod 13, one end of the connecting rod is connected with the inserted rod 15, and the sliding cover slides up and down to drive the inserted rod 15 to move up and down.

The upper part of the direction rod 13 is externally provided with a shell 12. The housing 12 encloses the upper portion of the steering column 13, thereby improving the overall appearance.

The lower end of the sleeve 3 is provided with a mudguard 29.

The upper end of the sleeve 3 is provided with a rotating seat 2, the middle part of the upper end of the rotating seat 2 is provided with a U-shaped notch, the outer side of the lower end of the direction rod 13 is provided with a flat rotating part 17, the rotating part 17 is rotatably arranged in the U-shaped notch through a rotating shaft, the side wall of the lower end of the inserted rod 15 is provided with a straight through hole 18 for the rotating shaft to pass through, and the straight through hole 18 is arranged along the axial direction of the inserted rod 15.

The rear end of the frame 7 is provided with an adjusting seat 8, the upper end of the adjusting seat 8 is provided with a saddle 9, the adjusting seat 8 is rotatably connected with a limiting seat 24, one end of the limiting seat 24 is connected with the rear wheel assembly 11, a spring plunger 26 is arranged in the limiting seat 24, one end of the spring plunger 26 penetrates through the side wall of the limiting seat 24, the side wall of the adjusting seat 8 is provided with a limiting hole 25 matched with the spring plunger 26, the side wall of the adjusting seat 8 is also provided with a button seat 10, and the button seat 10 is provided with two buttons 27 corresponding to the limiting hole 25. The spring plunger 26 is of the prior art and the spring plunger 26 is comprised of a spring 14 and a plunger 28, as best seen in fig. 13. The plunger 28 has a large diameter at one end and a small diameter at the other end. A cavity is arranged in the limiting seat 24, the spring plunger 26 is arranged in the cavity, a through hole for the small end of the plunger 28 to pass through is formed in one side of the cavity, the large end of the plunger 28 slides along the cavity, and the small end of the plunger 28 can be inserted into the limiting hole 25. The two buttons 27 correspond to the two limiting holes 25 one by one, one limiting hole 25 corresponds to the unfolded position of the connecting bracket 20, and the other limiting hole 25 corresponds to the folded position of the connecting bracket 20. The small end of the plunger 28 is inserted into the limiting hole 25, so that the rear wheel assembly 11 (the connecting support 20) and the adjusting seat 8 are fixed, the corresponding button 27 is pressed, the plunger 28 can be extruded out of the limiting hole 25, the rear wheel assembly 11 (the connecting support 20) and the adjusting seat 8 are unlocked, and the rear wheel assembly 11 (the connecting support 20) and the adjusting seat 8 can rotate relatively.

The rear wheel assembly 11 comprises a connecting support 20, a rear wheel support 23 and a rear wheel 22, the rear wheel 22 is rotatably mounted at two ends of the rear wheel support 23, and the connecting support 20 connected with a limiting seat 24 is arranged on the rear wheel support 23.

And a storage box 21 is fixedly arranged between the rear wheel bracket 23 and the connecting bracket 20. The storage box 21 is used for placing sundries and the like.

Claims (7)

1. A foldable children's bicycle, includes frame (7), connects saddle (9) and rear wheel subassembly (11) at frame (7) rear end, its characterized in that: the front end of the frame (7) is provided with a sleeve (3), a front fork (4) is rotatably arranged in the sleeve (3), the lower end of the front fork (4) is provided with a front wheel (5), both sides of the front wheel (5) are provided with foot pedals (6), the upper part of the front fork (4) is a hollow pipe (19), the upper end of the sleeve (3) is rotatably connected with a direction rod (13), the direction rod (13) is hollow and is provided with an inserted rod (15) in the inner part in a sliding way, the upper part of the direction rod (13) is provided with a spring (14) connected with the inserted rod (15) in the inner part, a switch (16) which can slide up and down is arranged on the outer side wall of the direction rod (13), one end of the switch (16) passes through the direction rod (13) and is connected with the inserted link (15), the lower end of the inserted bar (15) is inserted into the hollow tube (19), and the handlebars (1) are symmetrically arranged on two sides of the upper end of the direction bar (13).

2. A foldable child's cycle according to claim 1, wherein: and a shell (12) is arranged outside the upper part of the direction rod (13).

3. A foldable child's cycle according to claim 1, wherein: the lower end of the sleeve (3) is provided with a mudguard (29).

4. A foldable child's cycle according to claim 1, wherein: sleeve (3) upper end install and rotate seat (2), should rotate seat (2) upper end middle part and open and have U type breach, the outside of steering yoke (13) lower extreme install rotation portion (17) of platykurtic, should rotate portion (17) and rotate through the pivot and install in U type breach, lateral wall of inserted bar (15) lower extreme on open and to have a word through-hole (18) that supply the pivot to pass, this word through-hole (18) are along the axial arrangement of inserted bar (15).

5. A foldable child's cycle according to claim 1, wherein: the rear end of frame (7) install and adjust seat (8), saddle (9) are installed to this regulation seat (8) upper end, regulation seat (8) internal rotation be connected with spacing seat (24), this spacing seat (24) one end links to each other with rear wheel subassembly (11), spacing seat (24) in install spring plunger (26), the lateral wall of spacing seat (24) is passed to this spring plunger (26) one end, the lateral wall of regulation seat (8) on open and to have spacing hole (25) that match with spring plunger (26), still install button seat (10) on the lateral wall of this regulation seat (8), button seat (10) on be provided with two button (27) corresponding with spacing hole (25).

6. A foldable child's cycle according to claim 5, wherein: the rear wheel assembly (11) comprises a connecting support (20), a rear wheel support (23) and a rear wheel (22), the rear wheel (22) is rotatably mounted at two ends of the rear wheel support (23), and the connecting support (20) connected with a limiting seat (24) is arranged on the rear wheel support (23).

7. A foldable child's cycle according to claim 6, wherein: a storage box (21) is fixedly arranged between the rear wheel bracket (23) and the connecting bracket (20).

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