CN218967099U

CN218967099U - Portable children bicycle

Info

Publication number: CN218967099U
Application number: CN202221800781.9U
Authority: CN
Inventors: 陈娟; 曹宝林; 解中振; 王静; 朱广星
Original assignee: Tianjin Beijiaqi Technology Development Co ltd
Current assignee: Tianjin Beijiaqi Technology Development Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-05-05
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a children bicycle convenient to carry, which comprises a front frame and a rear frame, wherein rear wheels are arranged on the rear frame, and front wheels are arranged on the front frame: the front frame and the rear frame are rotationally connected through a rotating shaft, the front frame further comprises a supporting component, the supporting component comprises a fixing rod which is arranged on the rear frame and is inclined, a connecting rod is movably connected in the fixing rod, the connecting rod is connected with a moving rod through a positioning component, a spherical seat is arranged at the bottom of the moving rod, a clamping groove is formed in the spherical seat, and an auxiliary wheel is arranged in the clamping groove. According to the child bicycle, the movable telescopic supporting component is adopted, so that the ground clearance height of the auxiliary wheels at two sides of the bicycle can be changed when the bicycle is ridden, and the auxiliary wheels are ensured to be stably contacted with the ground when the bicycle is inclined by combining the connecting structure of the spherical seat, so that the child bicycle can support the bicycle in different inclination ranges, and the child bicycle can adapt to riding states of the bicycle under different inclinations.

Description

Portable children bicycle

Technical Field

The utility model relates to the technical field of bicycles, in particular to a children bicycle convenient to carry.

Background

The children's bicycle is a big class among the children's bicycles, and the children's bicycle includes four major classes of children's bicycle, children's shallow, baby walker, children's tricycle, and the bicycle is also known as bicycle or bicycle, and small-size land vehicle that is usually, after the people rided on the car, it is the vehicle of green to use the pedal as power, in order to help children's safety and grasp the skill of riding of bicycle fast, can install the auxiliary wheel in children's bicycle's rear wheel both sides usually to prevent that children from taking place the phenomenon of falling down when riding.

Chinese patent publication No.: CN211032871U discloses an anti-fall children bicycle, which comprises a frame, a front wheel, a rear wheel, a first rotating shaft and a second rotating shaft, wherein the front wheel and the rear wheel are fixedly sleeved with the rod walls of the first rotating shaft and the second rotating shaft respectively, the two end rod walls of the first rotating shaft and the second rotating shaft are fixedly connected with a first supporting rod and a second supporting rod respectively, the lower ends of the first supporting rod and the second supporting rod are respectively and rotatably connected with a universal wheel and a roller, a slide bar is arranged in the frame, a seat is fixedly arranged at the upper end of the slide bar, a first cavity is formed in the seat, a screw rod is arranged in the cavity, two ends of the screw rod are rotatably arranged in the seat through rolling bearings, a slide block is connected onto the screw rod in a threaded manner, the left end of the screw rod penetrates through the left side wall of the seat and extends outwards and is fixedly connected with a turntable, the left side wall of the turntable is uniformly and circularly provided with a plurality of limiting holes, the upper end of the first cavity is provided with a strip-shaped opening, the slide block is slidingly connected with the opening, and the upper end of the slide block is fixedly connected with a strip-shaped plate. The inside left side of seat has seted up the second cavity, be equipped with the pull rod in the second cavity, the first stopper of right-hand member fixed connection of pull rod, the pole wall of pull rod is gone up the activity and has been cup jointed the spring, the both ends of spring respectively with the left side wall of first cavity and the left side wall fixed connection of first stopper, the left end of pull rod runs through the left side wall of second cavity and outwards extends and rotate with the seat and be connected, the left end pole wall downside fixedly connected with gag lever post of pull rod, gag lever post and spacing hole assorted.

The auxiliary wheel of current children bicycle is fixed knot constructs the connection for the auxiliary wheel's from the ground height is unchangeable, thereby makes the bicycle can only incline to less angle to both sides and will make auxiliary wheel and ground contact, can't adjust the auxiliary wheel's from the ground height, thereby can't satisfy the slope effect of bicycle in a larger scope, and then can not help children better and faster grasp the riding skill of bicycle under the circumstances of guaranteeing safety.

Disclosure of Invention

The utility model aims to provide a children bicycle which can flexibly adjust the ground clearance of an auxiliary wheel and help a aversion child to master riding skills more quickly and is convenient to carry.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a children bicycle that conveniently carries, includes preceding frame and back frame, be provided with the rear wheel on the back frame, be provided with preceding wheel on the preceding frame:

the front frame and the rear frame are rotationally connected through a rotating shaft;

the support assembly comprises a fixed rod which is arranged on the rear frame and is inclined, a connecting rod is movably connected in the fixed rod, and the connecting rod is connected with the moving rod through a positioning assembly;

the bottom of movable rod is provided with spherical seat, and is equipped with the draw-in groove on the spherical seat, and is provided with the auxiliary wheel in the draw-in groove.

As a further description of the above technical solution:

the end part of the front frame is provided with a protruding part, and the rear frame is provided with a recessed part matched with the protruding part.

As a further description of the above technical solution:

the inner wall of the fixed rod is provided with a spring which is elastically connected with the connecting rod.

As a further description of the above technical solution:

the connecting rod is provided with a locating hole, and the movable rod is provided with a locating pin penetrating through the locating hole.

As a further description of the above technical solution:

the number of the clamping grooves is a plurality of, and the clamping grooves are distributed in an equiangular structure.

As a further description of the above technical solution:

the device also comprises a reinforcing component;

the reinforcing component comprises a reinforcing rod, clamping heads are arranged at two ends of the reinforcing rod, and the two clamping heads are respectively connected with the rear frame and the front frame.

As a further description of the above technical solution:

the front frame is provided with a storage basket.

As a further description of the above technical solution:

the bicycle is characterized in that a front sprocket is arranged on the rear bicycle frame, pedals are arranged on the front sprocket, a rear sprocket is arranged on the rear bicycle wheel, the rear sprocket is connected with the front sprocket through a chain, and a seat cushion is arranged on the rear bicycle frame.

In the technical scheme, the children bicycle convenient to carry provided by the utility model has the following beneficial effects:

this children bicycle adopts movable telescopic supporting component, can carry out lifting adjustment to the mounting height of auxiliary wheel, change the bicycle and ride the time the both sides auxiliary wheel from the ground height to combine spherical seat's connection structure, ensure supporting component behind lifting adjustment, adjust the installation angle of auxiliary wheel, make the bicycle ensure auxiliary wheel and ground stable contact when the slope, and then can play the supporting role under the different inclination scope to the bicycle, make children can adapt to the state of riding under the different slopes of bicycle, and then help children quick study bicycle's riding.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of a portable children bicycle according to an embodiment of the present utility model;

fig. 2 is an enlarged schematic view of the structure at a provided in the embodiment of the present utility model;

FIG. 3 is a schematic view of a connection between a support assembly and an auxiliary wheel according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a reinforcing component according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a seat cushion; 2. a rear frame; 21. a recessed portion; 3. a rear sprocket; 4. a rear wheel; 5. a support assembly; 51. a fixed rod; 52. a spring; 53. positioning holes; 54. a connecting rod; 55. a moving rod; 56. a positioning pin; 57. a spherical seat; 58. a clamping groove; 6. an auxiliary wheel; 7. a chain; 8. foot pedal; 9. a front sprocket; 10. a reinforcement assembly; 101. a reinforcing rod; 102. a chuck; 11. a front frame; 111. a boss; 12. a front wheel; 13. a storage basket; 14. a rotating shaft.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a children bicycle convenient to carry comprises a front frame 11 and a rear frame 2, wherein a rear wheel 4 is arranged on the rear frame 2, a front wheel 12 is arranged on the front frame 11, a front chain wheel 9 is arranged on the rear frame 2, pedals 8 are arranged on the front chain wheel 9, a rear chain wheel 3 is arranged on the rear wheel 4, the rear chain wheel 3 is connected with the front chain wheel 9 through a chain 7, and a seat cushion 1 is arranged on the rear frame 2:

the front frame 11 and the rear frame 2 are rotatably connected through the rotating shaft 14, so that the front frame 11 and the rear frame 2 can be rotated and folded under the connection of the rotating shaft 14, the child bicycle side is folded and stored, the whole volume of the child bicycle is reduced, and the child bicycle is convenient to carry and transport;

the support assembly 5 comprises a fixed rod 51 which is arranged on the rear frame 2 in a tilting way, a connecting rod 54 is movably connected in the fixed rod 51, the connecting rod 54 is connected with a moving rod 55 through a positioning assembly, and the whole length of the support assembly 5 can be adjusted by adjusting the amplitude of the connecting rod 54 moving into the moving rod 55;

the bottom of movable rod 55 is provided with spherical seat 57, and is equipped with draw-in groove 58 on the spherical seat 57, and be provided with auxiliary wheel 6 in the draw-in groove 58, the quantity of draw-in groove 58 is a plurality of, and be equiangular structure distribution between a plurality of draw-in groove 58, when the connecting rod 54 moves in movable rod 55 and adjusts, can change the off-ground height of auxiliary wheel 6, thereby satisfy the supporting effect that auxiliary wheel 6 and ground contact take place for the bicycle under different inclined conditions, prevent the phenomenon that the bicycle from taking place to topple, and under the draw-in groove 58 connection of a plurality of equiangular distribution, can be according to the whole length difference of supporting component 5, install auxiliary wheel 6 in the draw-in groove 58 of different angular positions, make auxiliary wheel 6 when contacting with the ground, can keep vertical stable state, and then be convenient for carry out auxiliary support to the bicycle.

The end of the front frame 11 is provided with a protruding part 111, the rear frame 2 is provided with a recessed part 21 matched with the protruding part 111, and the front frame 11 and the rear frame 2 can be rotated and folded relatively by combining the embedded installation mode of the protruding part 111 in the recessed part 21 and the connection mode of the rotating shaft 14, so that the bicycle can be conveniently carried and transported after being folded.

The inner wall of dead lever 51 is provided with connecting rod 54 elastic connection's spring 52, when the bicycle slope back leads to auxiliary wheel 6 and ground contact, and the pressure that auxiliary wheel 6 received can be conducted through connecting rod 54 and give spring 52 and make it compressed deformation, can play elastic buffer's effect to auxiliary wheel 6, reduces the vibrations range when auxiliary wheel 6 and ground contact, and then improves children's bicycle riding travelling comfort.

The connecting rod 54 is provided with the locating holes 53, the number of the locating holes 53 is a plurality of, the moving rod 55 is provided with the locating pins 56 penetrating through the locating holes 53, when the connecting rod 54 is adjusted to a proper position in the moving rod 55, the locating pins 56 penetrate through the moving rod 55 and then enter the locating holes 53, and therefore the positions of the connecting rod 54 and the moving rod 55 can be fixed, and the support assembly 5 is ensured to keep a stable state.

Still including strengthening subassembly 10, strengthening subassembly 10 includes reinforcing rod 101, and reinforcing rod 101's both ends all are provided with chuck 102, and two chucks 102 are connected with back frame 2 and preceding frame 11 respectively, all are equipped with the recess with chuck 102 looks adaptation on back frame 2 and the preceding frame 11 for reinforcing rod 101 can play the reinforcing support effect to the connected state of preceding frame 11 and back frame 2 through the joint of chuck 102 and recess, improves the overall stability of bicycle frame.

The front frame 11 is provided with a storage basket 13, which is convenient for storing articles.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a children bicycle that conveniently carries, includes preceding frame (11) and back frame (2), be provided with back wheel (4) on back frame (2), be provided with preceding wheel (12) on preceding frame (11), its characterized in that:

the front frame (11) and the rear frame (2) are rotationally connected through a rotating shaft (14);

the bicycle comprises a rear frame (2), and is characterized by further comprising a supporting component (5), wherein the supporting component (5) comprises a fixed rod (51) which is arranged on the rear frame (2) and is inclined, a connecting rod (54) is movably connected in the fixed rod (51), and the connecting rod (54) is connected with a movable rod (55) through a positioning component;

the bottom of movable rod (55) is provided with spherical seat (57), and is equipped with draw-in groove (58) on spherical seat (57), and is provided with auxiliary wheel (6) in draw-in groove (58).

2. A portable children's bicycle according to claim 1, wherein: the end part of the front frame (11) is provided with a protruding part (111), and the rear frame (2) is provided with a recessed part (21) matched with the protruding part (111).

3. A portable children's bicycle according to claim 1, wherein: the inner wall of the fixed rod (51) is provided with a spring (52) which is elastically connected with the connecting rod (54).

4. A portable children's bicycle according to claim 1, wherein: the connecting rod (54) is provided with a positioning hole (53), and the moving rod (55) is provided with a positioning pin (56) penetrating through the positioning hole (53).

5. A portable children's bicycle according to claim 1, wherein: the number of the clamping grooves (58) is a plurality, and the clamping grooves (58) are distributed in an equiangular structure.

6. A portable children's bicycle according to claim 1, wherein: further comprising a stiffening assembly (10);

the reinforcing component (10) comprises a reinforcing rod (101), clamping heads (102) are arranged at two ends of the reinforcing rod (101), and the two clamping heads (102) are respectively connected with the rear frame (2) and the front frame (11).

7. A portable children's bicycle according to claim 1, wherein: the front frame (11) is provided with a storage basket (13).

8. A portable children's bicycle according to claim 1, wherein: the bicycle is characterized in that a front chain wheel (9) is arranged on the rear bicycle frame (2), pedals (8) are arranged on the front chain wheel (9), a rear chain wheel (3) is arranged on the rear bicycle wheel (4), the rear chain wheel (3) is connected with the front chain wheel (9) through a chain (7), and a seat cushion (1) is arranged on the rear bicycle frame (2).