CN218400845U - Foldable bicycle for children - Google Patents

Abstract

The utility model discloses a folding children bike, including locomotive and rear of a vehicle, fixed connection's front wheel support frame is gone up to the locomotive, fixed connection's rear wheel support frame still includes fixed clamp splice on the rear of a vehicle, be provided with on the fixed clamp splice and rotate the dwang of being connected with front wheel support frame and rear wheel support frame, the tip fixedly connected with worm wheel of front wheel support frame and rear wheel support frame, the worm wheel with the dwang rotates to be connected. The utility model provides a folding children bicycle has utilized the characteristic of worm auto-lock, can utilize the worm to order about the rotation of two worm wheels when the bicycle is folding, through the driving piece when the front and back wheel of bicycle is folding to make locomotive and rear of a vehicle move to the axle center department of worm, folding back rotation nut of accomplishing, so that the front and back wheel is pressed from both sides through vertical pole to the U type splint, can rotate cushion and handle when depositing, thereby reduce the space that the bicycle was deposited.

Description

Foldable children bicycle

Technical Field

The utility model relates to a folding bicycle technical field relates to a folding children bicycle particularly.

Background

The bicycle, also called as a bicycle or a bicycle, is driven by feet when a person rides on the bicycle, and the direction of the bicycle is controlled by controlling a handlebar, so that the bicycle is used as an environment-friendly vehicle for riding instead of walking.

According to the patent number: CN201922028009.4, published (announcement) day: 2020-09-18, a foldable multifunctional children bicycle is disclosed, comprising a front axle rod, wherein the bottom of one side of the front axle rod is fixedly connected with two first connecting rods, the total number of the first connecting rods is two, one side of each of the two first connecting rods is provided with a protective shell, one side of each of the two first connecting rods penetrates through the protective shell and is fixedly connected with a first sleeve, and the top and the bottom of each of the first sleeves are movably connected with a second sleeve through a rotating shaft. This folding multi-functional children bicycle, through the design of first connecting rod, second connecting rod, first sleeve pipe and second sleeve pipe, let the user can be folding from the middle with the bicycle, let the front wheel of bicycle turn to the position of rear wheel, carry out the folding of first wheel to the bicycle, the design of screens piece, seat and slider lets the user remove the seat to one side and the rotation of screens piece to folding the accomodating of seat.

In the prior art including foretell patent, connect the bicycle front and rear wheel through the protective housing, the drive pivot makes the front wheel of bicycle overturn the position of rear wheel to make the bicycle fold, but because children's strength is weaker, needs very big power to push the front and rear wheel, just can accomplish to the bicycle and fold.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding children bicycle can be as the driving piece through the front and back wheel when the bicycle is folding to it is fixed with the front and back wheel through vertical pole, so that it is more laborsaving when folding to make.

In order to achieve the above object, the present invention provides the following technical solutions: a foldable children bicycle comprises a bicycle head and a bicycle tail, wherein a front wheel supporting frame is fixedly connected to the bicycle head, a rear wheel supporting frame is fixedly connected to the bicycle tail, the foldable children bicycle further comprises a fixing clamping block, a rotating rod is arranged on the fixing clamping block and is rotatably connected with the front wheel supporting frame and the rear wheel supporting frame, worm gears are fixedly connected to the end portions of the front wheel supporting frame and the rear wheel supporting frame, and the worm gears are rotatably connected with the rotating rod;

the worm is rotatably arranged on the fixed clamping block, one end of the worm is rotatably provided with a supporting block fixedly connected with the fixed clamping block, and the worm is meshed with the two worm gears.

Preferably, the front wheel supporting frame and the rear wheel supporting frame are provided with u-shaped clamping plates, square grooves are formed in the u-shaped clamping plates, the fixing clamping blocks are located in the square grooves, and nuts are symmetrically connected to the u-shaped clamping plates through threads.

Preferably, the bottom of the u-shaped clamping plate is movably provided with vertical rods in a linear array, rolling balls are arranged on the vertical rods in a sliding mode, and springs for pushing the rolling balls are arranged on the vertical rods.

Preferably, a seat cushion is rotatably provided on the vehicle rear.

Preferably, the vehicle head is rotatably provided with a handle.

Preferably, one end of the worm is provided with a knob.

In the technical scheme, the utility model provides a pair of folding children bicycle possesses following beneficial effect: the characteristics of worm auto-lock have been utilized, can utilize the worm to order about the rotation of two worm wheels when the bicycle is folding, through the front and back wheel of bicycle as the driving piece when folding to make locomotive and rear of a vehicle move to the axle center department of worm, folding completion back rotates the nut, so that the front and back wheel is pressed from both sides through vertical pole to the U type splint, can rotate cushion and handle when depositing, thereby reduces the space that the bicycle was deposited.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure of a bicycle according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a bicycle in accordance with an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a bicycle clamping plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the assembly of parts according to an embodiment of the present invention.

Description of the reference numerals:

1. a headstock; 2. the tail of the vehicle; 3. a cushion; 4. a handle; 10. a front wheel support frame; 11. a support block; 12. a worm; 13. rotating the rod; 14. a rear wheel support frame; 15. a knob; 16. fixing the clamping block; 17. a worm gear; 21. a nut; 22. rolling a ball; 23. a spring; 24. a vertical rod; 26. a u-shaped splint; 27. a square groove.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

As shown in fig. 1-4, a foldable children bicycle comprises a head 1 and a tail 2, a front wheel support frame 10 fixedly connected to the head 1, a rear wheel support frame 14 fixedly connected to the tail 2, and a fixing clamp 16, wherein a rotating rod 13 rotatably connected to the front wheel support frame 10 and the rear wheel support frame 14 is arranged on the fixing clamp 16, a worm gear 17 is fixedly connected to the end portions of the front wheel support frame 10 and the rear wheel support frame 14, and the worm gear 17 is rotatably connected to the rotating rod 13;

the fixed clamping block 16 is rotatably provided with a worm 12, one end of the worm 12 is rotatably provided with a supporting block 11 fixedly connected with the fixed clamping block 16, and the worm 12 is meshed with two worm wheels 17.

Concretely, fixed connection's front wheel support frame 10 on locomotive 1, fixed connection's rear wheel support frame 14 on rear of a vehicle 2, still include fixed clamp splice 16, be provided with on the fixed clamp splice 16 and rotate the dwang 13 of being connected with front wheel support frame 10 and rear wheel support frame 14, the tip fixedly connected with worm wheel 17 of front wheel support frame 10 and rear wheel support frame 14, worm wheel 17 rotates with dwang 13 and is connected, it is more steady when making front wheel support frame 10 and rear wheel support frame 14 transmission through worm wheel 17, during folding, worm wheel 17 rotates on being located dwang 13 on fixed clamp splice 16, support locomotive 1 and rear of a vehicle 2 through dwang 13 and worm 12.

The fixed clamping block 16 is provided with a worm 12 in a rotating mode, one end of the worm 12 is provided with a supporting block 11 fixedly connected with the fixed clamping block 16 in a rotating mode, the worm 12 is meshed with the two worm wheels 17, self-locking and transmission stability of the worm 12 and the worm wheels 17 are utilized, so that when the vehicle head 1 and the vehicle tail 2 are folded, the worm 12 drives the worm wheels 17 to rotate, relative movement of front wheels and rear wheels is achieved, and labor is saved when the vehicle head 1 and the vehicle tail 2 are folded.

Among the above-mentioned technical scheme, utilized the characteristic of worm 12 auto-lock, can utilize worm 12 to order about the rotation of two worm wheel 17 when the bicycle is folding, through the front and back wheel of bicycle as the driving piece when folding to make locomotive 1 and rear of a vehicle 2 move to the axle center department of worm 12, rotate nut 21 after folding completion, so that u type splint 26 presss from both sides tight front and back wheel through vertical pole 24, can rotate cushion 3 and handle 4 when depositing, thereby reduce the space that the bicycle was deposited.

As a further embodiment provided by the utility model, the u-shaped clamping plates 26 are arranged on the front wheel supporting frame 10 and the rear wheel supporting frame 14, the square grooves 27 are arranged on the u-shaped clamping plates 26, the fixed clamping blocks 16 are positioned in the square grooves 27, the nuts 21 are symmetrically and threadedly connected on the u-shaped clamping plates 26, and the u-shaped clamping plates 26 clamp the locomotive 1 and the tailstock 2 by screwing the nuts 21, so that the connecting strength of the locomotive 1 and the tailstock 2 is improved, and the pressure on the teeth of the worm wheel 17 is reduced.

As the embodiment that this practicality further provided, the bottom of u type splint 26 is the linear array activity and is provided with vertical pole 24, and it is provided with spin 22 to slide on the vertical pole 24, is provided with the spring 23 that pushes away spin 22 on the vertical pole 24, and when locomotive 1 and rear of a vehicle 2 relative motion, when two wheels roll to in the vertical pole 24, spin 22 receives the top that pushes away of spring 23 to press from both sides tight front and back wheel.

As the embodiment that the utility model further provided, the rotation is provided with cushion 3 on the rear of a vehicle 2, when folding placing, rotates cushion 3, makes the angle and the position that cushion 3 deposited all change to make its reasonable application parking space.

As a further embodiment provided by the present application, the vehicle head 1 is provided with a handle 4 in a rotating manner. When the folding storage rack is folded, the handle 4 is rotated, so that the storage angle and the storage position of the handle 4 are changed, and the storage space is reasonably utilized.

As a further embodiment provided by the present application, one end of the worm 12 is provided with a knob 15, which drives the knob 15 to drive the two worm wheels 17 to rotate through the worm 12, so that the vehicle head 1 and the vehicle tail 2 move to the axis of the worm 12.

The working principle is as follows: firstly, the nut 21 is unscrewed to enable the u-shaped clamping plate 26 to loosen the head 1 and the tail 2, the knob 15 is twisted, meanwhile, the worm 12 drives the two worm wheels 17 to rotate, front and rear wheels of the bicycle are used as driving pieces during folding, so that the head 1 and the tail 2 move to the axis of the worm 12, so that the folding is more labor-saving, the front and rear wheels move to the vertical rod 24, the rolling ball 22 is pushed by the spring 23 to clamp the head 1 and the tail 2, the nut 21 is rotated, so that the u-shaped clamping plate 26 is fixed and supports the front wheel support frame 10 and the rear wheel support frame 14, and the cushion 3 and the handle 4 can be rotated during storage, so that the storage space of the bicycle is reduced.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. A foldable children bicycle comprises a bicycle head (1) and a bicycle tail (2), wherein a front wheel support frame (10) is fixedly connected to the bicycle head (1), a rear wheel support frame (14) is fixedly connected to the bicycle tail (2), the foldable children bicycle is characterized by further comprising a fixing clamping block (16), a rotating rod (13) rotatably connected with the front wheel support frame (10) and the rear wheel support frame (14) is arranged on the fixing clamping block (16), worm gears (17) are fixedly connected to the end portions of the front wheel support frame (10) and the rear wheel support frame (14), and the worm gears (17) are rotatably connected with the rotating rod (13);

the worm (12) is arranged on the fixed clamping block (16) in a rotating mode, one end of the worm (12) is provided with a supporting block (11) fixedly connected with the fixed clamping block (16) in a rotating mode, and the worm (12) is meshed with the two worm wheels (17).

2. The foldable children's bicycle according to claim 1, wherein a u-shaped clamp plate (26) is disposed on the front wheel supporting frame (10) and the rear wheel supporting frame (14), a square groove (27) is formed on the u-shaped clamp plate (26), the fixing clamp blocks (16) are located in the square groove (27), and nuts (21) are symmetrically and threadedly connected to the u-shaped clamp plate (26).

3. A foldable children's bicycle according to claim 2, characterized in that the bottom of the u-shaped clamping plate (26) is movably provided with a vertical rod (24) in a linear array, the vertical rod (24) is slidably provided with a rolling ball (22), and the vertical rod (24) is provided with a spring (23) for pushing the rolling ball (22).

4. A foldable children's bicycle according to claim 1, characterized in that a seat cushion (3) is rotatably arranged on the rear part (2).

5. A foldable children's bicycle according to claim 1, wherein the head (1) is provided with a handle (4) in rotation.

6. A foldable children's bicycle according to claim 1, characterized in that one end of the worm (12) is provided with a knob (15).

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