CN212172427U

CN212172427U - Children's bicycle

Info

Publication number: CN212172427U
Application number: CN202020827833.6U
Authority: CN
Inventors: 巩嘉欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-18
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a children's bicycle relates to children's toys technical field, including chassis and directive wheel, there is the running-board at the middle part on chassis through pivot swing joint, the directive wheel has the knuckle through shaft swing joint, the knuckle has the tie rod through round pin axle swing joint. The utility model discloses a set up the running-board, children trample at will on the running-board and beat and can both play driven effect to the rear wheel, compare traditional bicycle footboard, the running-board can be more the active nature of release children of limit, do not need the study that children are cared yet to ride, have higher interest to children, through setting up steering linkage, can carry out steering control simultaneously to two directive wheels, make the buggy can make things convenient for nimble turning to, and compare the buggy of the single directive wheel among the prior art, two directive wheels have higher stability when turning to, can increase children factor of safety when turning to, prevent that children are injured.

Description

Children's bicycle

Technical Field

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

Background

Children's bicycles are a common child's mobility aid and toy that many children enjoy. The mode drive children bicycle through the manpower pedal of current children bicycle is mostly advanced, and children bicycle is the toy that children liked before learning generally, because the running-board principle of current bicycle and bicycle is the same, and this makes children bicycle's use inconvenient, and the recreational ability is poor.

At present, current children's bicycle power comes from the running-board, and children's bicycle among the prior art is the same with adult's bicycle's principle, all rotate the running-board through two feet cooperations and carry out power transmission to the wheel, the enjoyment of the bicycle that children just can understand after need studying, children can not release self nature when using the bicycle, make the interest of bicycle lower, and current children's bicycle is more convenient in order to enable to turn to, mostly use the tricycle to travel, though can reach the convenient purpose of turning, but the stability of bicycle is not good, turn on one's side very easily when turning.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a children bicycle, which solves the problem of the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the steering wheel is movably connected with a steering knuckle through a wheel shaft, the steering knuckle is movably connected with the chassis through a steering shaft, the steering knuckle is movably connected with a steering pull rod through a pin shaft, the middle of the steering pull rod is movably connected with a steering rod through a connecting steering rod, the middle of the chassis is movably connected with a pedal through a rotating shaft, the bottom of the pedal is fixedly connected with a swing plate, the bottom of the swing plate is fixedly connected with a movable shaft, the middle of the movable shaft is movably connected with a movable rod, one end of the movable rod is movably connected with a transmission disc through a pin shaft, the transmission disc is connected with a front chain wheel through an intermediate shaft in a transmission mode, and the front chain wheel is connected with a rear chain wheel through a transmission chain.

Optionally, one end of the movable shaft is fixedly connected with a connecting ring, the bottom of the chassis is fixedly connected with a spring plate, one side surface of the spring plate is fixedly connected with a tension spring, and one end of the tension spring is fixedly connected with the connecting ring.

Optionally, the steering rod penetrates through the chassis and is movably connected with the chassis, a steering handle is fixedly connected to the top of the steering rod, a seat post is fixedly connected to the top of the chassis, and a seat is fixedly connected to the top of the seat post.

Optionally, the bottom of the chassis is fixedly connected with a shaft plate, the inside of the shaft plate is movably connected with a rear shaft, the rear shaft penetrates through the shaft plate, and two ends of the rear shaft are fixedly connected with rear wheels.

Optionally, the transmission disc and the rear chain wheel are both provided with ratchet wheels, the ratchet wheels in the transmission disc are in transmission connection with the intermediate shaft, and the ratchet wheels in the rear chain wheel are in transmission connection with the rear shaft.

Optionally, the number of the steering wheels is two, the two steering wheels are symmetrically distributed around the chassis, and the chassis is provided with a steering groove matched with the steering wheels.

Three beneficial effects

The utility model provides a children's bicycle possesses following beneficial effect:

1. this children's bicycle, through setting up the running-board, children trample at will on the running-board and beat and can both play driven effect to the rear wheel, compare traditional bicycle footboard, the running-board can be more the active nature of release children of limit, also need not the study that children cared and ride, has higher interest to children.

2. This children's bicycle through setting up the steering linkage, can turn to control simultaneously to two directive wheels, makes the perambulator can make things convenient for nimble turning to compare the perambulator of the single directive wheel among the prior art, two directive wheels have higher stability when turning to, can increase children factor of safety when turning to, prevent that children are injured.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic view of the three-dimensional structure of the steering rod of the present invention;

fig. 6 is a schematic view of the three-dimensional structure of the movable rod of the present invention.

In the figure: 1. a steering handle; 2. a steering column; 3. a steering wheel; 4. a steering groove; 5. a steering tie rod; 6. connecting the rotating rod; 7. a knuckle; 8. a foot pedal; 9. a movable rod; 10. a conveyor chain; 11. a rear wheel; 12. a rear axle; 13. a shaft plate; 14. a rear sprocket; 15. a seat post; 16. a vehicle seat; 17. a swing plate; 18. a movable shaft; 19. a connecting ring; 20. tensioning the spring; 21. a spring plate; 22. a chassis; 23. an intermediate shaft; 24. a drive plate; 25. a front sprocket; 26. a steering shaft.

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.

Referring to fig. 1 to 6, the present invention provides a technical solution: a children bicycle comprises a chassis 22 and two steering wheels 3, wherein the two steering wheels 3 are symmetrically distributed about the chassis 22, a steering groove 4 matched with the steering wheels 3 is formed in the chassis 22, the steering wheels 3 are movably connected with a steering knuckle 7 through a wheel shaft, the steering knuckle 7 is movably connected with the chassis 22 through a steering shaft 26, the steering knuckle 7 is movably connected with a steering pull rod 5 through a pin shaft, the middle part of the steering pull rod 5 is movably connected with a direction rod 2 through a connecting steering rod 6, the direction rod 2 penetrates through the chassis 22 and is movably connected with the chassis 22, the top of the direction rod 2 is fixedly connected with a steering handle 1, the top of the chassis 22 is fixedly connected with a seat rod 15, the top of the seat rod 15 is fixedly connected with a saddle 16, the middle part of the chassis 22 is movably connected with a pedal plate 8 through a rotating shaft, the bottom of the pedal 8 is fixedly connected with a swinging plate 17, and the bottom of the swinging, one end fixedly connected with go-between 19 of loose axle 18, the bottom fixedly connected with spring board 21 of chassis 22, a side fixedly connected with straining spring 20 of spring board 21, the one end and the go-between 19 fixed connection of straining spring 20, the middle part swing joint of loose axle 18 has movable rod 9, the one end of movable rod 9 has driving disc 24 through round pin axle swing joint, driving disc 24 has preceding sprocket 25 through jackshaft 23 transmission connection, preceding sprocket 25 has rear sprocket 14 through transfer chain 10 transmission connection, the bottom fixedly connected with axleboard 13 of chassis 22, the inside swing joint of axleboard 13 has rear axle 12, rear axle 12 runs through axleboard 13, the equal fixedly connected with rear wheel 11 in both ends of rear axle 12, the inside of driving disc 24 and rear sprocket 14 all is equipped with the ratchet, the inside ratchet of driving disc 24 is connected with jackshaft 23 transmission, the inside ratchet of rear sprocket 14 is connected with rear axle 12 transmission.

When the child seat is used, firstly, a child can stand on the chassis 22 or sit on the seat 16, the child can hold the steering handle 1 with two hands to control the steering wheel 3, then the child seat is placed on the pedal 8 to tread so that the pedal 8 can rotate, the swinging plate 17 connected with the bottom of the pedal 8 drives the movable shaft 18 to move, one end of the movable rod 9 is sleeved on the movable shaft 18 through the movable hole, the movable rod 9 is pulled in the moving process of the movable shaft 18 to drive the transmission disc 24 to rotate, the intermediate shaft 23 rotates along with the transmission disc 24 due to the transmission connection of the ratchet wheel inside the transmission disc 24 and the intermediate shaft 23, the front chain wheel 25 is driven to rotate by the transmission chain 10, the rear chain wheel 14 is driven to rotate by the front chain wheel 25, the rear shaft 12 in transmission connection with the rear chain wheel 14 drives the rear wheel 11 to rotate, and the child car is driven by the rear wheel 11, when the children jump from the pedal 8, the pedal 8 is not stressed, the movable shaft 18 drives the swinging plate 17 to restore the original position under the action of the tension spring 20, so that the movable rod 9 restores the transmission disc 24, the transmission disc 24 is in transmission connection with the intermediate shaft 23 through the ratchet wheel, the intermediate shaft 23 and the front chain wheel 25 do not rotate, when the pedal 8 is pressed down again, the rear wheel 11 can be driven again, the steering handle 1 rotates the direction rod 2 when steering, the connecting rotating rod 6 drives the steering pull rod 5 to move, the steering knuckles 7 at the two ends of the steering pull rod 5 rotate around the steering shaft 26, so that the rotating angles of the two steering wheels 3 are the same, the purpose of steering the children vehicle is achieved, in addition, the children vehicle in the utility model and the prior art adopts the same brake device, the brake rod is arranged on the handle 1, and the brake mechanism on the rear shaft 12 is controlled through the steel wire pull rope, the brake can be realized when the vehicle speed is fast, and the safety of children is ensured.

To sum up, this device is through setting up the running-board 8, children trample at will on running-board 8 and beat and can both play driven effect to rear wheel 11, compare traditional bicycle footboard, running-board 8 can be the active nature of release children of furthest more, do not need the study that children are painstaking to ride yet, to children have higher interest, through setting up steering linkage 5, can carry out steering control to two directive wheel 3 simultaneously, make the buggy can make things convenient for nimble turning to, and compare the buggy of the single directive wheel among the prior art, double directive wheel has higher stability when turning to, can increase the factor of safety of children when turning to, prevent that children are injured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A child's cycle comprising a chassis (22) and steerable wheels (3), characterized in that: the steering wheel (3) is movably connected with a steering knuckle (7) through a wheel shaft, the steering knuckle (7) is movably connected with a chassis (22) through a steering shaft (26), the steering knuckle (7) is movably connected with a steering pull rod (5) through a pin shaft, the middle part of the steering pull rod (5) is movably connected with a steering rod (2) through a connecting rotating rod (6), the middle part of the chassis (22) is movably connected with a pedal plate (8) through a rotating shaft, the bottom of the pedal plate (8) is fixedly connected with a swing plate (17), the bottom of the swing plate (17) is fixedly connected with a movable shaft (18), the middle part of the movable shaft (18) is movably connected with a movable rod (9), one end of the movable rod (9) is movably connected with a transmission disc (24) through a pin shaft, and the transmission disc (24) is in transmission connection with a front chain wheel (25), the front chain wheel (25) is connected with a rear chain wheel (14) through a transmission chain (10).

2. A child's cycle as claimed in claim 1, wherein: one end of the movable shaft (18) is fixedly connected with a connecting ring (19), the bottom of the chassis (22) is fixedly connected with a spring plate (21), one side face of the spring plate (21) is fixedly connected with a tension spring (20), and one end of the tension spring (20) is fixedly connected with the connecting ring (19).

3. A child's cycle as claimed in claim 1, wherein: the steering column (2) penetrates through the chassis (22) and is movably connected with the chassis (22), the steering handle (1) is fixedly connected to the top of the steering column (2), the seat post (15) is fixedly connected to the top of the chassis (22), and the seat (16) is fixedly connected to the top of the seat post (15).

4. A child's cycle as claimed in claim 1, wherein: the bottom fixedly connected with axletree board (13) on chassis (22), the inside swing joint of axletree board (13) has rear axle (12), rear axle (12) run through axletree board (13), the equal fixedly connected with rear wheel (11) in both ends of rear axle (12).

5. A child's cycle as claimed in claim 1, wherein: the ratchet wheel is arranged in each of the transmission disc (24) and the rear chain wheel (14), the ratchet wheel in the transmission disc (24) is in transmission connection with the middle shaft (23), and the ratchet wheel in the rear chain wheel (14) is in transmission connection with the rear shaft (12).

6. A child's cycle as claimed in claim 1, wherein: the steering wheel (3) are two, the two steering wheels (3) are symmetrically distributed relative to the chassis (22), and the chassis (22) is provided with a steering groove (4) matched with the steering wheels (3).