CN217415998U

CN217415998U - Multifunctional bicycle

Info

Publication number: CN217415998U
Application number: CN202220507603.0U
Authority: CN
Inventors: 金丽明
Original assignee: Lgc Enterprise Ltd
Current assignee: Lgc Enterprise Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-13
Anticipated expiration: 2032-03-09

Abstract

The utility model provides a multifunctional bicycle, includes the frame, still includes the pedal subassembly of dismantling the connection with the frame, pedal subassembly includes pedal, crank, fluted disc and alignment jig, and the crank rotates and sets up on the alignment jig, and the crank both ends rotate respectively and are equipped with pedal, and the fluted disc is fixed to be set up on the crank, be equipped with the mount to pedal subassembly extension on the frame, the alignment jig is telescopically fixed on the mount. The pedal assembly of the utility model is detachably connected with the frame, and the purpose of adjusting the distance between the fluted disc and the flywheel can be achieved by adjusting the telescopic state of the pedal assembly, thereby realizing the adjustment of the chain tension degree, having wide applicable chain length range and facilitating the disassembly and assembly of the chain; the bicycle can be quickly converted into a scooter without pedals and a transmission system, so that one bicycle is multipurpose; the car body can adapt to the change of the body height of the child, and the service life is prolonged.

Description

Multifunctional bicycle

Technical Field

The utility model relates to a bicycle especially relates to a multifunctional bicycle.

Background

The existing bicycle usually uses a chain for transmission, and the front end and the rear end of the chain are respectively tensioned on a fluted disc and a flywheel. However, as the service time increases, the chain gradually loosens, so that chain detachment is caused, once the chain is detached, the difficulty in re-installing the chain on the fluted disc and the flywheel is high, and even if the chain is installed back, the risk of re-detaching the chain still exists. The chain can be prevented from being separated again only by adjusting the distance between the big fluted disc and the flywheel or shortening the length of the chain. However, the above-mentioned treatment methods are complicated, difficult to adjust, and require many repair tools and repair experience. On the other hand, the existing bicycle has single function, particularly a child bicycle can only realize the riding function, and other whole bicycles need to be additionally purchased if the functions of other entertainment exercises are achieved; and the existing baby carriage frame is fixed in size and cannot adapt to the use of the children growing gradually and in different age stages.

For example, a "multipurpose children's skating bicycle" disclosed in the chinese patent document, which has application number CN201920474330.2, and includes a bicycle body and a hub body; the rear wheel in the bicycle body is fixedly sleeved on the first hub body, and the rear end of the first hub body is fixedly screwed in a wheel fixing frame in the bicycle body by using a bicycle hub rotating shaft; the hub body is detachably connected with a front end shaft of the hub body, and the front end shaft of the hub body is detachably connected and fixed on a front side frame of the wheel fixing frame. This utility model although realized the conversion between bicycle and the smooth step car, nevertheless need dismantle during the conversion or install whole chain drive, operate the complicated degree of difficulty big, and in case the chain takes off repair the degree of difficulty great.

Disclosure of Invention

The utility model relates to an overcome the current big problem of the bicycle chain-releasing after-repair degree of difficulty, provide a multi-functional bicycle, the installation is swift with the dismantlement chain, conveniently adjusts the tensile force of chain, and provides more functions for the bicycle.

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

the utility model provides a multifunctional bicycle, includes the frame, still includes the pedal subassembly of dismantling the connection with the frame, pedal subassembly includes pedal, crank, fluted disc and alignment jig, and the crank rotates and sets up on the alignment jig, and the crank both ends rotate respectively and are equipped with pedal, and the fluted disc is fixed to be set up on the crank, be equipped with the mount to pedal subassembly extension on the frame, the alignment jig is telescopically fixed on the mount.

The utility model is characterized in that the pedal component is detachably connected with the frame, and the pedal component only comprises a fluted disc, and the flywheel for tensioning the chain is still arranged on the rear wheel, so the purpose of adjusting the distance between the fluted disc and the flywheel can be achieved by adjusting the telescopic state of the pedal component, thereby the chain tension is adjusted, the applicable chain length range is wide, and the chain is convenient to disassemble and assemble; on the other hand, when the pedal assembly and the chain are arranged on the bicycle body, the bicycle can be used as a common bicycle, after the pedal assembly and the chain are detached from the bicycle body, the bicycle is converted into a scooter without pedals and a transmission system, a child can sit on the bicycle and can drive the bicycle to slide forwards by utilizing the pedaling force of legs through supporting the ground with double feet, and the balance ability is exercised, and meanwhile, the entertainment is improved.

Preferably, the bicycle further comprises a pedal rod assembly detachably connected with the bicycle frame, the pedal rod assembly comprises pedal rods and an adjusting frame, and the two pedal rods are respectively fixed on two sides of the end part of the adjusting frame.

When the pedal assembly and the chain are detached, the pedal rod assembly can be arranged on the fixing frame, when the scooter is used, a user can put feet on the pedal rod when sliding, and the feet are lifted off the ground, so that balance can be exercised more conveniently.

Preferably, the fixing frame is of a tubular structure, the fixing frame extends along the tensioning direction of the chain, and the adjusting frame is matched with the fixing frame in an inserting mode.

The splicing matching is convenient to disassemble and assemble, and the telescopic adjustment is convenient.

Preferably, the fixing frame is provided with a fixing button for fixing the adjusting frame on the fixing frame.

The adjusting frame and the fixing frame are compressed tightly after the button is fastened with the fixing button, and the adjusting frame and the fixing frame are fixed.

Preferably, the fixing frame and the adjusting frame are both square tubes.

The convenience of square pipe is spacing to circumference, guarantees the correct installation in pedal position, avoids alignment jig and mount ascending relative rotation in circumference.

Preferably, the fixing button is arranged at the corner of the square tube.

The square tube has higher rigidity at the corner, and the deformation of the adjusting frame or the fixing frame when the fixing button is pressed is avoided.

Preferably, the frame comprises a head pipe, a vehicle body and a seat pipe, wherein an adjusting part is arranged on one side, close to the vehicle body, of the head pipe, the adjusting part is telescopically fixed at one end of the vehicle body, and the other end of the vehicle body is connected with the seat pipe.

The head pipe is used for connecting a vehicle head, and the length of the vehicle frame is conveniently adjusted by adjusting the distance between the head pipe and the vehicle body, so that the vehicle body is adapted to the change of the body height of the child, and the service life is prolonged; meanwhile, the pedal assembly or the pedal rod assembly can also be properly stretched and contracted to adapt to different body types.

Preferably, the fixing frame is fixedly arranged at the bottom of the seat tube.

The upper end and the lower end of the seat tube are respectively used for connecting the seat and the fixing frame.

Therefore, the utility model discloses following beneficial effect has: (1) the pedal assembly is detachably connected with the frame, and the purpose of adjusting the distance between the fluted disc and the flywheel can be achieved by adjusting the telescopic state of the pedal assembly, so that the tension degree of the chain is adjusted, the applicable chain length range is wide, and the chain is convenient to disassemble and assemble; (2) the bicycle can be quickly converted into a scooter without pedals and a transmission system, so that one bicycle is multipurpose; (3) the detachable pedal rod assembly is arranged, so that when the scooter is used, a user can put feet on the pedal rod when sliding, and the feet are lifted off the ground, so that the balance can be exercised more conveniently; (4) the car body can adapt to the change of the body height of the child, and the service life is prolonged.

Drawings

Fig. 1 is a schematic view of the present invention showing a structure of a foot pedal assembly.

Fig. 2 is a schematic structural view of the foot pedal assembly of the present invention.

Fig. 3 is a schematic structural view of the utility model when the pedal assembly is removed.

Fig. 4 is a schematic structural view of the installation foot bar assembly of the present invention.

In the figure: 1. frame, 11, fixed frame, 12, fixed button, 13, head pipe, 131, regulating part, 14, automobile body, 15, seat pipe, 16, front fork, 17, back fork, 2, pedal assembly, 21, pedal, 22, crank, 23, fluted disc, 3, pedal rod, 4, regulating frame, 5, head, 6, saddle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, the multifunctional bicycle comprises a frame 1, a pedal assembly 2 and a pedal rod assembly, wherein the frame 1 comprises a head pipe 13, a bicycle body 14 and a seat pipe 15, the top of the head pipe 13 is connected with a bicycle head 5, the bottom of the head pipe 13 is connected with a front fork 16, a front wheel is rotatably connected onto the front fork 16, an adjusting piece 131 is arranged on one side, close to the bicycle body 14, of the head pipe 13, the bicycle body 14 is of a hollow tubular structure, the adjusting piece 131 is inserted into the bicycle body 14, a relatively unknown fixing piece for fixing the adjusting piece 131 and the bicycle body 14 is arranged on the bicycle body 14, and the fixing piece can be a fixing bolt equal-pressure fixing piece. The rear end of a vehicle body 14 is connected with a seat tube 15, a seat 6 is inserted at the top of the seat tube 15, the seat 6 can be telescopically adjusted in height on the seat tube 15, a fixing piece for fixing the seat 6 is arranged on the seat 6, a fixing frame 11 is arranged at the bottom of the seat tube 15, the rear end of the fixing frame 11 is connected with a rear fork 17 transversely extending backwards, a rear wheel is rotatably connected to the rear fork 17, a flywheel 7 is arranged on a rear wheel shaft, and the fixing frame 11 is of a hollow square tube structure transversely extending.

Insert in mount 11 and be equipped with pedal assembly 2, as shown in fig. 2, pedal assembly 2 includes pedal 21, crank 22, fluted disc 23 and alignment jig 4, alignment jig 4 is whole to be the T font, pipe and square pipe including perpendicular connection, the intraductal rotation of pipe is equipped with crank 22, crank 22 both ends are rotated respectively and are equipped with pedal 21, fluted disc 23 is fixed to be set up on crank 22 and set up in pipe one side, square pipe inserts and establishes in

mount

11, 11 corners threaded connection of mount has fixed button 12, the fixed button radially extends, the butt of fixed button tip is at the corner of 4 square pipes of alignment jig.

As shown in figure 3, still include the foot bar subassembly of dismantling the connection with frame 1, the foot bar subassembly includes foot bar 3 and alignment jig 4, and alignment jig 4 is unanimous with the square tubular construction of alignment jig 4 of foot bar subassembly 2, and two foot bars 3 are fixed respectively in 4 tip both sides of alignment jig, and foot bar 3 is the cylinder, and the surface is equipped with anti-skidding line.

When the bicycle is used as a bicycle, the pedal assembly is inserted into the fixed frame and is not fixed, then the chain is assembled on the fluted disc 23 and the flywheel 7, the pedal assembly is fixed by screwing the fixing button 12 after the front and rear positions of the pedal assembly are adjusted to be in place, and when the chain is loosened, the distance between the fluted disc and the flywheel can be increased by the method so as to tension the chain.

When the bicycle needs to be changed into a scooter for use, firstly, the fixing button 12 is loosened to remove the pedal assembly and the chain, and the bicycle is changed into the scooter without pedals and a transmission system, as shown in figure 3, a child can sit on the bicycle and drive the bicycle to slide forwards by utilizing the pedaling force of legs through supporting the ground by two feet, thereby improving the entertainment while practicing the balance ability. When the pedal assembly and the chain are detached, the pedal rod assembly can be arranged on the fixing frame, as shown in fig. 4, when the scooter is used, a user can place two feet on the pedal rod when the scooter slides, and the feet are lifted off the ground, so that the balance can be exercised more conveniently.

In order to adapt to the change of the body height of the child, the height of the saddle can be adjusted, the length of the bicycle frame can be conveniently adjusted by adjusting the distance between the head pipe and the bicycle body, and therefore the purpose of prolonging the service life of the bicycle is achieved.

Claims

1. The utility model provides a multifunctional bicycle, includes frame (1), characterized by still includes pedal subassembly (2) of dismantling the connection with frame (1), pedal subassembly (2) are including pedal (21), crank (22), fluted disc (23) and alignment jig (4), and crank (22) rotate to set up on alignment jig (4), and crank (22) both ends are rotated respectively and are equipped with pedal (21), and fluted disc (23) are fixed to be set up on crank (22), be equipped with mount (11) to pedal subassembly (2) extension on frame (1), alignment jig (4) are fixed on mount (11) telescopically.

2. A multi-function bicycle according to claim 1, further comprising a pedal lever assembly detachably connected to the frame (1), said pedal lever assembly comprising a pedal lever (3) and an adjusting bracket (4), the two pedal levers (3) being fixed to both sides of the end of the adjusting bracket (4), respectively.

3. The multifunctional bicycle as claimed in claim 1, wherein the fixing frame (11) is a tubular structure, the fixing frame (11) extends along the tensioning direction of the chain, and the adjusting frame (4) is inserted into and matched with the fixing frame (11).

4. A multi-function bicycle according to claim 3, wherein the fixing frame (11) is provided with a fixing knob (12) for fixing the adjusting bracket (4) to the fixing frame (11).

5. The multifunctional bicycle as claimed in claim 4, wherein the fixing frame (11) and the adjusting frame (4) are square tubes at the ends close to the fixing frame (11).

6. The multi-function bicycle of claim 5, wherein the fixing button (12) is provided at a corner of the square tube.

7. A multi-function bicycle according to any one of claims 1-6, wherein the frame (1) comprises a head tube (13), a body (14) and a seat tube (15), the head tube (13) is provided with an adjusting member (131) on one side close to the body (14), the adjusting member (131) is telescopically fixed on one end of the body (14), and the other end of the body (14) is connected with the seat tube (15).

8. A multi-function bicycle, according to claim 7, characterized in that said fixing frame (11) is fixedly arranged at the bottom of the seat tube (15).