CN216232692U

CN216232692U - Bicycle auxiliary device for children to practice vehicle

Info

Publication number: CN216232692U
Application number: CN202121074842.3U
Authority: CN
Inventors: 金宙渊
Original assignee: Tianjin Promade Sports Machine Co ltd
Current assignee: Tianjin Promade Sports Machine Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-04-08
Anticipated expiration: 2031-05-19

Abstract

The utility model provides a bicycle auxiliary device for children to practice a car, which belongs to the technical field of bicycles and comprises a frame, wherein a rectangular pipe is fixedly connected to the left end of the frame, a C-shaped opening is formed in the upper portion of the right end of the rectangular pipe, a sliding rod is slidably connected to the rectangular pipe, a cylinder is formed in the left end of the sliding rod, a plurality of first connecting plates are arranged at the front end of the sliding rod, a placing plate is fixedly connected to the left end of the rectangular pipe, a circular groove is formed in the center of the left end of the placing plate, a cylinder is fixedly connected to the inner circumferential wall of the circular groove, a first connecting plate is fixedly connected to the left side of the cylindrical circumferential surface, a rotating mechanism is arranged on the right side of the circumferential surface of the cylinder, and the up-down movement of the sliding rod is better achieved through the rotating mechanism arranged on the left-right side of the circumferential surface of the cylinder, so that the practicability of equipment and the convenience of the equipment are greatly enhanced.

Description

Bicycle auxiliary device for children to practice vehicle

Technical Field

The utility model belongs to the technical field of bicycles, and particularly relates to a bicycle auxiliary device for children to practice a bicycle.

Background

The children bicycle is the first choice for children to learn to ride, the chain cover of the children bicycle is necessary, the children bicycle with the highest saddle height equal to or more than 560mm is provided with a disc chain cover or other protective devices to cover the outer surface of the meshing part of the chain and the chain wheel, when the chain is completely meshed on the chain wheel, the disc chain cover is beyond the outer side surface of the chain in the diameter direction, and the other protective devices are used without the disc chain cover, so that the shielding range is extended to the position of at least 25mm along the chain from the point where the chain wheel teeth initially enter the two side plates of the chain. Children's bicycles with saddles up to 560mm in height should be equipped with a chain guard which covers the outer surfaces and edges of the chain, sprocket and flywheel, as well as the inner surfaces of the sprocket and the engagement between the chain and sprocket to prevent injury by the fingers of the child's hand.

General bicycle among the prior art is all through the height of manual regulation cushion riding the in-process, but not only inconvenient regulation and inconvenient installation and the fixed of carrying out the cushion like this, consequently this scheme provides a children's bicycle auxiliary device for driving of being convenient for height-adjusting and convenient fixed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bicycle auxiliary device for children to practice a bicycle, and aims to solve the problems in the prior art and the like.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a children practice bicycle auxiliary device for car, includes the frame, the left end fixedly connected with rectangular pipe of frame, C type mouth has been seted up on rectangular pipe's right-hand member upper portion, rectangular pipe sliding connection has the slide bar, the cylinder has been seted up to the left end of slide bar, a plurality of first connecting plates have been seted up to the front end of slide bar, the left end fixedly connected with of rectangular pipe places the board, the left end center department of placing the board has seted up the circular recess, the circumference inner wall fixedly connected with cylinder of circular recess, the first connecting plate of cylindrical circumference surface left side fixedly connected with, cylinder circumference surface right side is equipped with slewing mechanism.

As a preferred scheme of the present invention, the rotating mechanism includes a worm gear block, a disk, a gear, a connecting rod, a rotating shaft, an arc plate, a second connecting plate, and a tooth block, the worm gear block is fixedly connected to the left end of the disk, the connecting rod is fixedly connected to the right end of the disk, the connecting rod is fixedly connected to the center of the right end of the connecting rod, the rotating shaft is rotatably connected to the circumferential surface of the connecting rod, the arc plate is fixedly connected to the circumferential surface of the rotating shaft, the second connecting plate is fixedly connected to the circumferential surface of the rotating shaft through a rotating column, and the tooth block is fixedly connected to the left end of the second connecting plate.

As a preferable scheme of the present invention, a handle is rotatably connected to an upper portion of a right end of the frame, a front fork is fixedly connected to a lower end of the handle, a third wheel is fixedly connected to a center of a lower end of the front fork, a rear fork is fixedly connected to a left end of the rectangular tube, and a first wheel is rotatably connected to a center of a lower end of the rear fork.

As a preferable scheme of the utility model, the left end and the right end of the first wheel are both fixedly connected with L-shaped support frames, and the far ends of the two L-shaped support frames are both rotatably connected with a second wheel.

As a preferable scheme of the utility model, the upper end of the rectangular tube is fixedly connected with a cushion, and the cushion can be replaced according to requirements.

As a preferable scheme of the present invention, pedals are rotatably connected to both left and right sides of the lower end of the frame, and the two pedals are opposite in position.

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

1. thereby fix the stability of better reinforcing equipment and the practicality of equipment through first connecting plate, whorl piece, place board and circular recess further with slewing mechanism after slewing mechanism is fixed, thereby the cylinder plays and realizes the practicality of thereby the better reinforcing equipment of raising and lowering functions of slide bar slip in the cylinder realization equipment after slewing mechanism rotates.

2. The vortex line piece plays and carries out the altitude mixture control function of rebound or lapse with the slide bar in order to realize equipment after the vortex line piece realizes rotating to the practicality of better reinforcing equipment, the disc plays the effect of fixed vortex line piece, and the gear plays and realizes that the vortex line piece carries out the pivoted effect, and the connecting rod plays fixed rotating shaft and realizes that the pivot carries out the pivoted function, and the arc plays and makes things convenient for operating personnel to carry out slewing mechanism's rotation function.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a first exploded view of the present invention;

FIG. 2 is an enlarged view of a portion of the utility model at A in FIG. 1;

FIG. 3 is a second exploded view of the present invention;

FIG. 4 is an enlarged view of a portion of the present invention at B of FIG. 3;

fig. 5 is a perspective view of the present invention.

In the figure: 1. a frame; 2. a front fork; 3. a rear fork; 4. a rectangular tube; 5. a C-shaped opening; 6. a slide bar; 7. A cylinder; 8. a first connecting plate; 9. a vortex block; 10. a disc; 11. a gear; 12. a connecting rod; 13. A rotating shaft; 14. an arc-shaped plate; 15. a second connecting plate; 16. a tooth block; 17. a cushion; 18. a handle; 19. A first wheel; 20. a second wheel; 21. placing the plate; 22. a circular groove; 23. an L-shaped support frame; 24. And a third wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides the following technical solutions:

the utility model provides a children practice bicycle auxiliary device for car, which comprises a frame 1, frame 1's left end fixedly connected with rectangular tube 4, C type mouth 5 has been seted up on rectangular tube 4's right-hand member upper portion, rectangular tube 4 sliding connection has slide bar 6, cylinder 7 has been seted up to slide bar 6's left end, a plurality of first connecting plate 8 have been seted up to slide bar 6's front end, rectangular tube 4's left end fixedly connected with places board 21, place board 21's left end center department and seted up circular recess 22, circular recess 22's circumference inner wall fixedly connected with cylinder 7, cylinder 7's circumference surface left side fixedly connected with first connecting plate 8, cylinder 7 circumference surface right side is equipped with slewing mechanism.

In the embodiment of the utility model, the frame 1 plays a role in fixing the equipment, the rectangular tube 4 plays a role in realizing sliding of the sliding rod 6, the C-shaped opening 5 plays a role in conveniently fixing the rotating mechanism, the sliding rod 6 plays a role in lifting the equipment, the first connecting plate 8, the spiral pattern block 9, the placing plate 21 and the circular groove 22 play a role in fixing the rotating mechanism of the equipment, after the rotating mechanism is fixed, the rotating mechanism is further fixed through the first connecting plate 8, the spiral pattern block 9, the placing plate 21 and the circular groove 22, so that the stability and the practicability of the equipment are better enhanced, and the cylinder 7 plays a role in realizing sliding of the sliding rod 6 in the cylinder 7 after the rotating mechanism rotates, so that the lifting function of the equipment is realized, so that the practicability of the equipment is better enhanced.

Referring to fig. 1 and 2, the rotating mechanism includes a vortex block 9, a disk 10, a gear 11, a connecting rod 12, a rotating shaft 13, an arc plate 14, a second connecting plate 15, and a tooth block 16, the vortex block 9 is fixedly connected to the left end of the disk 10, the connecting rod 12 is fixedly connected to the right end of the disk 10, the connecting rod 12 is fixedly connected to the center of the right end of the connecting rod 12, the rotating shaft 13 is rotatably connected to the circumferential surface of the connecting rod 12, the arc plate 14 is fixedly connected to the circumferential surface of the rotating shaft 13, the second connecting plate 15 is fixedly connected to the circumferential surface of the rotating shaft 13 through a rotating column, and the tooth block 16 is fixedly connected to the left end of the second connecting plate 15.

In this embodiment: the scroll block 9 plays a role of moving the slide bar 6 up or down after the scroll block 9 is rotated to perform a height adjusting function of the apparatus, thereby better enhancing the practicability of the equipment, the disc 10 plays a role of fixing the vortex block 9, the gear 11 plays a role of realizing the rotation of the vortex block 9, the connecting rod 12 plays a role of fixing the rotating shaft 13 and realizing the rotation of the rotating shaft 13, the arc-shaped plate 14 plays a role of facilitating an operator to rotate the rotating mechanism, thereby through the better operation that makes things convenient for operating personnel to carry out equipment that is equipped with 14, the practicality of reinforcing equipment and the convenience of equipment, second connecting plate 15 plays the effect of connecting tooth piece 16, and tooth piece 16 plays second connecting plate 15 and follows pivot 13 after rotating when pivot 13 and rotate tooth piece 16 and carry out the joint with gear 11 to carry out the rotation function of equipment, thereby the practicality of better reinforcing equipment.

Specifically referring to fig. 3 and 5, a handle 18 is rotatably connected to the upper portion of the right end of the frame 1, a front fork 2 is fixedly connected to the lower end of the handle 18, a third wheel 24 is fixedly connected to the center of the lower end of the front fork 2, a rear fork 3 is fixedly connected to the left end of the rectangular tube 4, and a first wheel 19 is rotatably connected to the center of the lower end of the rear fork 3.

In this embodiment: handle 18 plays better convenience of customers and carries out the control of direction, thereby handle 18 adopts stainless steel aluminum alloy to make the practicality of further lifting means and the life of equipment simultaneously, and front fork 2 and back fork 3 play the effect of fixed third wheel 24 and first wheel 19, through the better rotation that makes third wheel 24 and first wheel 19 and the lower extreme of front fork 2 and back fork 3 to make equipment more stable in the use.

Specifically referring to fig. 3, the left and right ends of the first wheel 19 are both fixedly connected with L-shaped support frames 23, and the far ends of the two L-shaped support frames 23 are both rotatably connected with the second wheel 20.

In this embodiment: better messenger's equipment makes equipment more stable in the use through fixed connection's third wheel 24 to make equipment more safety in the use, thereby the safety of further lifting means through second wheel 20 that is equipped with and children further carry out auxiliary function when driving a car, the stability of reinforcing equipment and the practicality of equipment.

Referring to fig. 3, a cushion 17 is fixedly connected to the upper end of the rectangular tube 4, and the cushion 17 can be replaced as required.

In this embodiment: cushion 17 plays convenience of service personnel and uses equipment to make more comfortable to further lifting means's travelling comfort, the practicality of reinforcing equipment, thereby and cushion 17 can conveniently dismantle the convenience and the practicality of equipment of replacing further lifting means.

Specifically, referring to fig. 5, pedals are rotatably connected to the left and right sides of the lower end of the frame 1, and the two pedals are opposite in position.

In this embodiment: thereby carry out the drive of equipment through the better facilitate use of the running-board that is equipped with, and better make equipment more laborsaving in the use through the running-board that is equipped with to better reinforcing equipment's practicality uses wear-resisting aluminum alloy to make the live time of better reinforcing equipment through the material of running-board, reinforcing equipment's life lifting means's safety.

The working principle and the using process of the utility model are as follows: firstly, a slide rod 6 is inserted into a rectangular tube 4, then a cylinder 7 is inserted into a circular groove 22, then a rotating mechanism is fixed, after the fixing is finished, a vortex block 9 is connected inside the cylinder 7 in a sliding manner, at the moment, the vortex block 9 is meshed with a first connecting plate 8, at the moment, a disc 10 is fixedly connected to the right end of the vortex block 9 to fix the vortex block 9, after the vortex block 9 is fixed, a gear 11 is fixed, after the gear 11 is fixed, a rotating shaft 13 is rotatably connected to the circumferential surface of a connecting rod 12, then a second connecting plate 15 is fixed, after the fixing is finished, an arc plate 14 is rotated, a tooth block 16 is in meshing transmission connection with the gear 11, at the moment, after the arc plate 14 is rotated, the gear 11 is rotated, and when the gear 11 is rotated, the vortex block 9 is in meshing rotation connection with the first connecting plate 8, the sliding of the sliding rod 6 up and down in the rectangular pipe 4 is achieved, so that the height of the equipment is adjusted, the arc-shaped plate 14 is loosened, the gear block 16 is meshed with the circumferential surface of the gear 11, the gear 11 is limited, the rotating mechanism is limited, the equipment is fixed, and the equipment is finished at the moment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a children practice bicycle auxiliary device for car which characterized in that: including frame (1), the left end fixedly connected with rectangular pipe (4) of frame (1), C type mouth (5) have been seted up on the right-hand member upper portion of rectangular pipe (4), rectangular pipe (4) sliding connection has slide bar (6), cylinder (7) have been seted up to the left end of slide bar (6), a plurality of first connecting plate (8) have been seted up to the front end of slide bar (6), board (21) are placed to the left end fixedly connected with of rectangular pipe (4), left end center department of placing board (21) has seted up circular recess (22), the circumference inner wall fixedly connected with cylinder (7) of circular recess (22), the circumference surface left side fixedly connected with first connecting plate (8) of cylinder (7), cylinder (7) circumference surface right side is equipped with slewing mechanism.

2. The bicycle auxiliary device for children's driving as claimed in claim 1, wherein: slewing mechanism includes vortex piece (9), disc (10), gear (11), connecting rod (12), pivot (13), arc (14), second connecting plate (15), tooth piece (16), vortex piece (9) fixed connection is in the left end of disc (10), connecting rod (12) fixed connection is in the right-hand member center department of connecting rod (12), pivot (13) rotate the circumference surface of connecting rod (12) of connecting, arc (14) fixed connection is in the circumference surface of pivot (13), second connecting plate (15) are through rotating the circumference surface of post fixed connection in pivot (13), tooth piece (16) fixed connection is in the left end of second connecting plate (15).

3. The bicycle auxiliary device for children's driving as claimed in claim 2, wherein: the frame is characterized in that the upper portion of the right end of the frame (1) is rotatably connected with a handle (18), the lower end of the handle (18) is fixedly connected with a front fork (2), the center of the lower end of the front fork (2) is fixedly connected with a third wheel (24), the left end of the rectangular tube (4) is fixedly connected with a rear fork (3), and the center of the lower end of the rear fork (3) is rotatably connected with a first wheel (19).

4. The bicycle auxiliary device for children's driving as claimed in claim 3, wherein: the equal fixedly connected with L type support frame (23) in both ends about first wheel (19), two the end of keeping away from mutually of L type support frame (23) all rotates and is connected with second wheel (20).

5. The bicycle auxiliary device for children's driving as claimed in claim 4, wherein: the upper end fixedly connected with cushion (17) of rectangular pipe (4), cushion (17) can be replaced as required.

6. The bicycle auxiliary device for children's driving as claimed in claim 5, wherein: the left side and the right side of the lower end of the frame (1) are rotatably connected with pedals, and the positions of the pedals are opposite.