CN214029008U

CN214029008U - Foldable children bicycle

Info

Publication number: CN214029008U
Application number: CN202120089787.9U
Authority: CN
Inventors: 杨奕洵; 赵敏玲
Original assignee: Individual
Current assignee: Guangdong University of Technology
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-08-24
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a collapsible children bicycle relates to bicycle technical field, the utility model discloses a seat, front wheel, rear wheel, pedal device and connecting device, connecting device includes left connecting rod, right connecting rod, left connecting block and right connecting block, a left side connecting rod side surface and bottom plate side surface are connected, right connecting rod lower surface is equipped with the rotation hole, preceding car support and rotation hole normal running fit, left connecting rod and right connecting rod hinged joint, a left side connecting block surface is connected with left connecting rod front side surface, a right side connecting block surface is connected with right connecting rod front side surface. The utility model discloses collapsible children bicycle, front wheel and seat pass through two connecting rods to be connected, through two connecting blocks of bolt fastening, only need rotatory bolt when packing up, separately just can fold the front wheel with two connecting blocks, have reduced the area of device greatly, portable, the seat back is equipped with the pivot, makes the seat pack up, packs up the back and has reduced the height of device, depositing and carrying of the device of being convenient for.

Description

Foldable children bicycle

Technical Field

The utility model relates to a bicycle technical field, in particular to collapsible children's bicycle.

Background

The child bicycle is suitable for 4-8-year-old children to ride, the maximum saddle height is 435-635 mm, and the children bicycle is ridden by means of a driving mechanism acting on a rear wheel. Various wheel diameters and various styles with or without balance wheels. Children's bicycles cannot be used for road riding.

The existing children bicycle is light and handy, but occupies a large space and is inconvenient to carry, and therefore a foldable children bicycle is provided.

Disclosure of Invention

The utility model discloses a main aim at provides collapsible children's bicycle, can effectively solve shared space among the background art great, the portable scheduling problem not.

In order to achieve the above purpose, the utility model adopts the following technical scheme: foldable children bicycle comprises a seat, a front wheel, a rear wheel, a pedal device and a connecting device, wherein the seat comprises a bottom plate, a backrest, a rotating block and a rotating shaft, a first rotating hole is formed in the upper surface of the bottom plate, the rotating shaft is matched with the first rotating hole in a rotating mode, the lower surface of the backrest is connected with the side surface of the rotating shaft, a second rotating hole is formed in the side surface of the backrest, the rotating block is matched with the second rotating hole in a rotating mode, the front wheel comprises a front wheel, a front axle and a front bicycle support, one end of the front axle is connected with the surface of the front wheel, a third rotating hole is formed in the surface of the front bicycle support, the front axle is matched with the third rotating hole in a rotating mode, the rear wheel comprises a rear wheel, a rear axle and a driven wheel, one end of the rear axle is connected with the surface of the rear wheel, the inner side surface of the driven wheel is connected with the outer side surface of the rear axle, the pedal device comprises a driving wheel, a rotating shaft, Pedal support and pedal axle, pedal axle one end and an action wheel surface connection, the action wheel passes through the chain with the follow driving wheel and is connected, pedal support inside surface is equipped with the fourth rotation hole, pedal axle and the rotatory cooperation in fourth rotation hole, connecting device includes left connecting rod, right connecting rod, left connecting block and right connecting block, a left side connecting rod side surface is connected with bottom plate side surface, right side connecting rod lower surface is equipped with the fifth rotation hole, preceding car support and the rotatory cooperation in fifth rotation hole, left side connecting rod and right connecting rod hinged joint, a left side connecting block surface is connected with left connecting rod front side surface, right side connecting block surface is connected with right connecting rod front side surface.

Preferably, the seat further comprises a clamping block, one surface of the clamping block is connected with the other side surface of the bottom plate, the bottom plate and the backrest are connected through a rotating shaft, the seat can be folded, and the backrest is prevented from being automatically folded and affecting use when the seat is used due to the matching of the rotating block and the clamping block.

Preferably, the front wheel still includes the handle, the handle lower surface is connected with front truck support upper end, and through the direction of handle control front wheel, the direction change when realizing riding, front truck support strutting arrangement partly guarantees going on smoothly of riding.

Preferably, the rear wheel still includes the rear truck support, rear truck support one surface is equipped with the rotatory hole of sixth, rear axle and the rotatory cooperation in the hole of sixth, rear truck support upper end is connected with the bottom plate lower surface, and rear truck support strutting arrangement guarantees the normal rotation of rear wheel.

Preferably, the pedal device further comprises a pedal, one surface of the pedal is connected with one end of the pedal shaft, the pedal provides advancing power for the device, and the driving wheel drives the driven wheel to rotate so as to realize rear wheel driving.

Preferably, the connecting device further comprises a bolt, the left connecting block is connected with the right connecting block through the bolt, the front wheel and the seat are connected into a whole through the two connecting blocks, normal use of the device is guaranteed, and meanwhile the front wheel of the device can be folded and is convenient to carry.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, the front wheel is connected through two connecting rods with the seat, through two connecting blocks of bolt fastening, only needs rotatory bolt when packing up, separately just can fold the front wheel with two connecting blocks, has reduced the area of device, portable greatly.

2. The utility model discloses in, backrest is equipped with the pivot, makes the seat pack up, has reduced the height of device after packing up, depositing and carrying of the device of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall external structure of the foldable children's bicycle of the present invention;

FIG. 2 is a front view of the foldable children bicycle of the present invention;

FIG. 3 is a schematic view of the foldable children's bicycle of the present invention;

fig. 4 is a left side view structure diagram of the foldable children bicycle of the utility model.

In the figure: 100. a seat; 110. a base plate; 120. a backrest; 130. rotating the block; 140. a clamping block; 150. a rotating shaft; 200. a front wheel; 210. a front wheel; 220. a front axle; 230. a front vehicle bracket; 240. a handle; 300. a rear wheel; 310. a rear wheel; 320. a rear axle; 330. a rear vehicle bracket; 340. a driven wheel; 400. a foot pedal device; 410. a driving wheel; 420. a pedal bracket; 430. a foot pedal; 440. a pedal shaft; 500. a connecting device; 510. a left connecting rod; 520. a right connecting rod; 530. a left connecting block; 540. a right connecting block; 550. and (4) bolts.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention relates to a foldable children bicycle, including a seat 100, a front wheel 200, a rear wheel 300, a pedaling device 400 and a connecting device 500, wherein the seat 100 includes a base plate 110, a backrest 120, a rotation block 130 and a rotation shaft 150, the upper surface of the base plate 110 is provided with a first rotation hole, the rotation shaft 150 is rotatably engaged with the first rotation hole, the lower surface of the backrest 120 is connected with the side surface of the rotation shaft 150, the side surface of the backrest 120 is provided with a second rotation hole, the rotation block 130 is rotatably engaged with the second rotation hole, the front wheel 200 includes a front wheel 210, a front axle 220 and a front frame 230, one end of the front axle 220 is connected with one surface of the front wheel 210, one surface of the front frame 230 is provided with a third rotation hole, the front axle 220 is rotatably engaged with the third rotation hole, the rear wheel 300 includes a rear wheel 310, a rear axle 320 and a driven wheel 340, one end of the rear axle 320 is connected with one surface of the rear wheel 310, the inner side surface of the driven wheel 340 is connected with the outer side surface of the rear axle 320, the pedal device 400 includes a driving wheel 410, a pedal support 420 and a pedal shaft 440, one end of the pedal shaft 440 is connected to a surface of the driving wheel 410, the driving wheel 410 is connected to a driven wheel 340 through a chain, a fourth rotation hole is formed on an inner side surface of the pedal support 420, the pedal shaft 440 is rotatably engaged with the fourth rotation hole, the connecting device 500 includes a left connecting rod 510, a right connecting rod 520, a left connecting block 530 and a right connecting block 540, a side surface of the left connecting rod 510 is connected to a side surface of the bottom plate 110, a fifth rotation hole is formed on a lower surface of the right connecting rod 520, the front frame 230 is rotatably engaged with the fifth rotation hole, the left connecting rod 510 is hinged to the right connecting rod 520, a surface of the left connecting block 530 is connected to a front side surface of the left connecting rod 510, and a surface of the right connecting block 540 is connected to a front side surface of the right connecting rod 520.

Referring to fig. 1 to 4, the chair 100 further includes a latch 140, one surface of the latch 140 is connected to the other surface of the base plate 110, the base plate 110 is connected to the backrest 120 through a rotating shaft 150, so that the chair 100 can be folded, and the rotating block 130 is matched with the latch 140, so that the backrest 120 is prevented from being automatically folded to affect use when the device is used.

Referring to fig. 1-3, the front wheel 200 further includes a handle 240, a lower surface of the handle 240 is connected to an upper end of the front frame 230, the handle 240 controls a direction of the front wheel 210 to change a direction during riding, and the front frame 230 supports a portion of the device to ensure smooth riding.

Referring to fig. 1 to 4, the rear wheel 300 further includes a rear bracket 330, a sixth rotation hole is formed on a surface of the rear bracket 330, the rear axle 320 is rotatably engaged with the sixth rotation hole, an upper end of the rear bracket 330 is connected to a lower surface of the base plate 110, and the rear bracket 330 supports the device to ensure a normal rotation of the rear wheel 300.

Referring to fig. 1 to 4, the footrest apparatus 400 further includes a footrest 430, one surface of the footrest 430 is connected to one end of a footrest shaft 440, the footrest 430 provides a power for the apparatus to move forward, and the driving wheel 410 drives the driven wheel 340 to rotate, thereby driving the rear wheel 300.

Referring to fig. 1-3, the connecting device 500 further includes a bolt 550, the left connecting block 530 is connected with the right connecting block 540 through the bolt 550, and the front wheel 200 and the seat 100 are connected into a whole through the two connecting blocks, so as to ensure the normal use of the device, and at the same time, the front wheel 200 of the device can be folded for carrying.

The utility model discloses the theory of operation:

referring to fig. 1-4, the utility model discloses a foldable children bike, during the use, open back 120, with rotatory piece 130 and fixture block 140 chucking, children step on running-board 430, make action wheel 410 rotate along with pedal shaft 440, drive through the chain from the driving wheel 340 and rotate, make rear wheel 310 axletree 320 afterwards rotate, thrust unit advances, front wheel 210 just drives front axle 220 and rotates on front carriage support 230, rotate handle 240 control front wheel 200's direction, after the use, open bolt 550, part two connecting blocks, make front wheel 200 rotate along with the hinge and press close to with rear wheel 300, rotatory piece 130 simultaneously, make it separate from fixture block 140, close back 120, accomplish folding.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Foldable children's bicycle, comprising a seat (100), a front wheel (200), a rear wheel (300), a pedalling device (400) and a connection device (500), characterized in that: the seat (100) comprises a bottom plate (110), a backrest (120), a rotating block (130) and a rotating shaft (150), wherein a first rotating hole is formed in the upper surface of the bottom plate (110), the rotating shaft (150) is in rotating fit with the first rotating hole, the lower surface of the backrest (120) is connected with the side surface of the rotating shaft (150), a second rotating hole is formed in the side surface of the backrest (120), the rotating block (130) is in rotating fit with the second rotating hole, the front wheel (200) comprises a front wheel (210), a front axle (220) and a front wheel support (230), one end of the front axle (220) is connected with one surface of the front wheel (210), a third rotating hole is formed in one surface of the front wheel support (230), the front axle (220) is in rotating fit with the third rotating hole, the rear wheel (300) comprises a rear wheel (310), a rear axle (320) and a driven wheel (340), one end of the rear axle (320) is connected with one surface of the rear wheel (310), the inner side surface of the driven wheel (340) is connected with the outer side surface of the rear axle (320), the pedal device (400) comprises a driving wheel (410), a pedal support (420) and a pedal shaft (440), one end of the pedal shaft (440) is connected with one surface of the driving wheel (410), the driving wheel (410) is connected with the driven wheel (340) through a chain, a fourth rotating hole is formed in the inner side surface of the pedal support (420), the pedal shaft (440) is in rotating fit with the fourth rotating hole, the connecting device (500) comprises a left connecting rod (510), a right connecting rod (520), a left connecting block (530) and a right connecting block (540), one side surface of the left connecting rod (510) is connected with one side surface of the bottom plate (110), a fifth rotating hole is formed in the lower surface of the right connecting rod (520), the front vehicle support (230) is in rotating fit with the fifth rotating hole, and the left connecting rod (510) is hinged with the right connecting rod (520), the left connecting block (530) has a surface connected to the front side surface of the left connecting rod (510), and the right connecting block (540) has a surface connected to the front side surface of the right connecting rod (520).

2. The foldable children's bicycle of claim 1, wherein: the seat (100) further comprises a fixture block (140), and one surface of the fixture block (140) is connected with the other side surface of the bottom plate (110).

3. The foldable children's bicycle of claim 1, wherein: the front wheel (200) further comprises a handle (240), and the lower surface of the handle (240) is connected with the upper end of the front vehicle bracket (230).

4. The foldable children's bicycle of claim 1, wherein: rear wheel (300) still include rear truck support (330), rear truck support (330) one surface is equipped with the sixth rotatory hole, rear axle (320) and the rotatory cooperation in sixth rotatory hole, rear truck support (330) upper end is connected with bottom plate (110) lower surface.

5. The foldable children's bicycle of claim 1, wherein: the pedal device (400) further comprises a pedal plate (430), and one surface of the pedal plate (430) is connected with one end of the pedal shaft (440).

6. The foldable children's bicycle of claim 1, wherein: the connecting device (500) further comprises a bolt (550), and the left connecting block (530) is connected with the right connecting block (540) through the bolt (550).