CN212890686U - Children bicycle - Google Patents

Abstract

The utility model discloses a children bicycle, including the bicycle main part, the welding of bicycle main part front end has the connecting rod, and the connecting rod front end is provided with the support, it is fixed through the nut between support and the connecting rod, and support bottom surface is connected with the auxiliary wheel through the bearing, bicycle main part top is fixed with the bracing piece, and the bracing piece top is fixed with the cushion. The utility model discloses be provided with the nut, elevation structure is constituteed to recess and fixture block, can make the auxiliary wheel can land completely when children just learn to ride through this structure, guarantee children's balance and prevent it from falling down, treat that children ride height through this structural adjustment auxiliary wheel after skilled, make the auxiliary wheel not contact with ground, let children independently go to master the balance, the progress of study has been accelerated, and the auxiliary wheel still can play the supporting role when riding in-process automobile body slope after unsettled, prevent that children from falling down, the practicality of device has been strengthened.

Description

Children bicycle

Technical Field

The utility model relates to a bicycle technical field specifically is a children bicycle.

Background

The children bicycle is an important door in toys and baby carrier products (besides the children bicycle, the baby carrier products comprise a children tricycle, a children stroller, a children walker and the like), is also a baby carrier product which is deeply loved by children, and is also an important tool for replacing the walk of the children, so the children bicycle is widely used and innovated, and basically meets the requirements of people at present, but still has some problems.

Present children bicycle rear wheel both sides all can add the auxiliary wheel usually and help children faster learning to meet and ride, but present auxiliary wheel usually can with ground direct contact, and can't adjust the distance between auxiliary wheel and the ground, make children rely on the auxiliary wheel when the study is ridden always, can't be autonomic go to master the balance, influence the progress of study, and current bicycle cushion air permeability and softness are too poor, make children ride in-process travelling comfort and reduce, make children's the hip take place red swelling and play the phenomenon of prickly heat easily simultaneously, therefore need a children bicycle to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a children bicycle to solve the unable regulation of height of the auxiliary wheel that proposes among the above-mentioned background art and the poor problem of saddle gas permeability.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a children bicycle, includes the bicycle main part, bicycle main part front end welding has the connecting rod, and the connecting rod front end is provided with the support, it is fixed through the nut between support and the connecting rod, and support bottom surface is connected with the auxiliary wheel through the bearing, bicycle main part top is fixed with the bracing piece, and the bracing piece top is fixed with the cushion.

Preferably, the cushion comprises a leather sheath, a resistance cushion, a first exhaust hole, a first soft cushion, a second exhaust hole, a third soft cushion, a third exhaust hole, an iron block and a fourth exhaust hole, the top end of the support rod is fixed with the bottom end of the iron block through a screw, the supporting rod penetrates through the leather sleeve and extends into the cushion, the iron blocks are respectively provided with a fourth exhaust hole inside, a third soft pad is glued at the upper end of the iron block, third exhaust holes matched with the fourth exhaust holes are respectively arranged in the third soft pad, a second soft pad is arranged at the upper end of the third soft pad, and the second cushion is internally provided with second vent holes which are matched with the third vent holes respectively, the second cushion and the third vent holes are matched with each other, the second cushion top is provided with first cushion, and first cushion is inside to be seted up respectively with the first exhaust hole of second exhaust hole mutually supporting.

Preferably, a resistance pad is fixed at the top end of the leather sheath.

Preferably, the first cushion and the third cushion are made of rubber, the second cushion is made of sponge, the first cushion and the third cushion are made of rubber, and the second cushion is made of sponge.

Preferably, two sets of recesses have been seted up to connecting rod surface bottom, and support back upper end is fixed with two sets of fixture blocks that mutually support with the recess, recess and fixture block all are "ten" font design.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the children bicycle is provided with a lifting structure consisting of nuts, grooves and clamping blocks, the auxiliary wheel can completely land when children learn to ride at first by virtue of the lifting structure, the balance of the children is guaranteed to prevent the children from falling down, the height of the auxiliary wheel can be adjusted by virtue of the lifting structure after the children ride well, so that the auxiliary wheel is not contacted with the ground, the children can independently master the balance, the learning progress is accelerated, the auxiliary wheel can still play a supporting role when the bicycle body inclines in the riding process after being suspended, the children are prevented from falling down, and the practicability of the device is enhanced;

2. this children bicycle is provided with the leather sheath, the resistance pad, first exhaust hole, first cushion, the second exhaust hole, the third cushion, the third exhaust hole, iron plate and fourth exhaust hole, constitute car seat ventilation structure, make whole gas permeability of cushion and compliance obtain great improvement, make children promote at the in-process comfort level of riding, also avoided the red swelling that children's butt caused because of the poor problem of gas permeability and the condition of having played prickly heat simultaneously, improve the holistic practicality of device.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic left side sectional structure view of the connecting rod, the bracket and the auxiliary wheel in fig. 1 according to the present invention;

fig. 3 is a schematic front sectional view of the connecting rod of fig. 1 according to the present invention;

fig. 4 is a schematic front sectional view of the bracket of fig. 1 according to the present invention;

fig. 5 is a schematic top view of the seat cushion of fig. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at a in fig. 5 according to the present invention;

fig. 7 is a schematic view of a front sectional structure of the seat cushion in fig. 1 according to the present invention.

In the figure: 1. a bicycle main body; 2. a support bar; 3. a cushion; 311. a leather sheath; 312. a resistance pad; 313. a first exhaust port; 314. a first cushion; 315. a second cushion; 316. a second vent hole; 317. a third cushion; 318. a third vent hole; 319. an iron block; 320. a fourth vent hole; 4. a connecting rod; 5. a nut; 6. a support; 7. an auxiliary wheel; 8. a groove; 9. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides an embodiment: a children bicycle comprises a bicycle body 1, a connecting rod 4 welded at the front end of the bicycle body, a bracket 6 arranged at the front end of the connecting rod 4, two groups of grooves 8 arranged at the bottom end of the outer surface of the connecting rod 4, two groups of clamping blocks 9 which are matched with the grooves 8 are fixed at the upper end of the back surface of the bracket 6, the grooves 8 and the clamping blocks 9 are in a cross shape, the bottom end of the outer surface of the connecting rod 4 is provided with two groups of grooves 8, two groups of clamping blocks 9 which are matched with the groove 8 are fixed at the upper end of the back surface of the bracket 6, the groove 8 and the clamping blocks 9 are designed in a cross shape, the utility model has the advantages that the bracket 6 can be fixed more stably without shaking back and forth, the bracket 6 and the connecting rod 4 are fixed by the nut 5, the outer surface of the bottom end of the bracket 6 is connected with an auxiliary wheel 7 through a bearing, the top end of the bicycle main body 1 is fixed with a supporting rod 2, and the top end of the supporting rod 2 is fixed with a cushion 3;

the cushion 3 comprises a leather sheath 311, a resistance pad 312, a first exhaust hole 313, a first soft pad 314, a second soft pad 315, a second exhaust hole 316, a third soft pad 317, a third exhaust hole 318, an iron block 319 and a fourth exhaust hole 320, wherein the top end of the support rod 2 is fixed with the bottom end of the iron block 319 through screws, the support rod 2 penetrates through the leather sheath 311 and extends into the cushion 3, the top end of the leather sheath 311 is fixed with the resistance pad 312, the cushion has the advantages that the friction force between the cushion and a person can be increased, children are prevented from being unstable, the iron block 319 is respectively internally provided with the fourth exhaust holes 320, the upper end of the iron block 319 is glued with the third soft pad, the third cushion 317 is respectively internally provided with the third exhaust hole 318 matched with the fourth exhaust hole 320, the upper end of the third cushion 317 is provided with the second soft pad 315, the second cushion 315 is respectively provided with the second exhaust hole 316 matched with the third exhaust hole 318, the second soft pad 315 is matched with the third exhaust hole 316, the second cushion 315 top is provided with first cushion 314, and first cushion 314 is inside to be seted up respectively with the first exhaust hole 313 of second exhaust hole 316 mutually supporting, first cushion 314 and third soft pad 317 are all made for rubber, and second cushion 315 is made first cushion 314 and third soft pad 317 for the sponge and all is made for rubber, and second cushion 315 is made for the sponge, its benefit lies in can making cushion 3 whole comparatively soft, the travelling comfort has been promoted, its benefit lies in the circulation that can guarantee the air when riding.

The working principle is as follows: when the device is used, the clamping block 9 is inserted into the groove 8 at the bottommost end, the nut 5 is screwed down to fix the bracket 6, the same operation is carried out on the other side in the same way, when children ride skillfully, the nut 5 is unscrewed to enable the bracket 6 to be separated from the fixed state, the clamping block 9 is pulled out to be inserted into the other group of grooves 8, then the nut 5 is screwed down to fix the bracket 6, the same operation is carried out on the other side in the same way, and the adjustment of the height of the auxiliary wheel 7 is finished;

when riding, the child sits on the connecting rod 4 and firstly contacts with the resistance pad 312, then the force on the first vent hole 313 is transmitted to the leather sheath 311, the force on the leather sheath 311 is transmitted to the first soft pad 314, then the force is transmitted to the second soft pad 315 after being buffered by the first soft pad 314, then the force is transmitted to the third soft pad 317 through the second soft pad 315, and finally the force is transmitted to the iron block 319 through the third soft pad 317, and the air descends layer by layer through the first vent hole 313, the second vent hole 316, the third vent hole 318 and the fourth vent hole 320 which are respectively arranged on the leather sheath 311, the second soft pad 315, the third soft pad 317 and the iron block 319, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A children's bicycle, comprising a bicycle body (1), characterized in that: bicycle main part (1) front end welding has connecting rod (4), and connecting rod (4) front end is provided with support (6), it is fixed through nut (5) between support (6) and connecting rod (4), and support (6) bottom surface is connected with auxiliary wheel (7) through the bearing, bicycle main part (1) top is fixed with bracing piece (2), and bracing piece (2) top is fixed with cushion (3).

2. A child's bicycle according to claim 1, wherein: the cushion (3) comprises a leather sheath (311), a resistance pad (312), a first exhaust hole (313), a first cushion (314), a second cushion (315), a second exhaust hole (316), a third cushion (317), a third exhaust hole (318), an iron block (319) and a fourth exhaust hole (320), wherein the top end of the supporting rod (2) is fixed with the bottom end of the iron block (319) through screws, the supporting rod (2) penetrates through the leather sheath (311) and extends into the cushion (3), the inside of the iron block (319) is respectively provided with the fourth exhaust hole (320), the upper end of the iron block (319) is glued with the third cushion (317), the inside of the third cushion (317) is respectively provided with the third exhaust hole (318) which is mutually matched with the fourth exhaust hole (320), the upper end of the third cushion (317) is provided with the second cushion (315), and the inside of the second cushion (315) is respectively provided with the second exhaust hole (316) which is mutually matched with the third exhaust hole (318), the second exhaust hole (316) that second cushion (315) and third exhaust hole (318) mutually support, second cushion (315) top is provided with first cushion (314), and first cushion (314) inside offer respectively with the second exhaust hole (316) first exhaust hole (313) of mutually supporting.

3. A child's bicycle according to claim 2, wherein: the top end of the leather sheath (311) is fixed with a resistance pad (312).

4. A child's bicycle according to claim 2, wherein: the first cushion (314) and the third cushion (317) are both made of rubber, the second cushion (315) is made of sponge, the first cushion (314) and the third cushion (317) are both made of rubber, and the second cushion (315) is made of sponge.

5. A child's bicycle according to claim 1, wherein: two sets of grooves (8) are formed in the bottom end of the outer surface of the connecting rod (4), two sets of clamping blocks (9) matched with the grooves (8) are fixed to the upper end of the back face of the support (6), and the grooves (8) and the clamping blocks (9) are designed in a cross shape.

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