CN213502737U

CN213502737U - Self-lubricating transmission children bicycle

Info

Publication number: CN213502737U
Application number: CN202021896812.6U
Authority: CN
Inventors: 李政; 李宇光; 韩利娅; 倪超众
Original assignee: Zhejiang Deqing Jiusheng Vehicle Industry Co ltd
Current assignee: Zhejiang Deqing Jiusheng Vehicle Industry Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-22
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a self-lubricating transmission children bicycle, which comprises a front fork bowl group, a bracket, a front wheel assembly, a rear wheel assembly, a transmission mechanism and a saddle; the front fork bowl group is fixed with the front wheel component; one end of the bracket is rotationally connected with the front fork bowl group, the other end of the bracket is fixed with the rear wheel component, and the transmission mechanism comprises a middle shaft component, a frame five-way component, a pedal plate, a fluted disc and a chain; the middle shaft assembly comprises a middle shaft and a middle shaft DU shaft sleeve; the middle shaft is rotatably arranged in the five-way component of the frame through a middle shaft DU shaft sleeve; the front wheel assembly and the rear wheel assembly respectively comprise a wheel rim, a wheel, a DU shaft sleeve and a wheel shaft, and the wheel is nested on the wheel rim and is rotationally arranged on the wheel shaft through the DU shaft sleeve. The utility model discloses a DU axle sleeve has reduced the resistance of the process of riding, realizes the oil-free lubrication transmission of bicycle, has solved bicycle greasy dirt problem, has avoided the dismantlement work when the consumer oils lubricated, and the bicycle surface does not have sharp object design, has avoided children to receive extra injury.

Description

Self-lubricating transmission children bicycle

Technical Field

The utility model belongs to the technical field of the trip instrument and specifically relates to a self-lubricating driven children bicycle is related to.

Background

The children bicycle transmission system who adopts in the traditional market uses the steel ball transmission as the owner, needs often inspection and adjustment at daily life, prevents dropping of steel ball, still need carry out the lubrication of oiling after using a period to keep the smoothness of riding, the lubrication of oiling leads to the bicycle can form the spot at the in-process lubricating oil of riding with the dust, increases abluent degree of difficulty. The oil lubrication process also needs consumers to finish the bicycle disassembly work, and most consumers do not have the bicycle disassembly capability. Meanwhile, the existing children bicycle has a plurality of sharp places, and children are easily damaged when contacting the bicycle.

At present, the improvement of current patent technique to children's bicycle transmission system is mainly on improving the sealing performance to lubricating oil, reduces revealing of lubricating oil, reduces the lubricated number of times that oils, but can't solve the lubricated process consumer that oils and need dismantle the problem to the bicycle, because sealing performance improves moreover makes transmission system's structure more complicated, has increased the degree of difficulty of dismantling, has also increased the resistance of bicycle at the in-process of riding.

Disclosure of Invention

In order to solve the technical problem, an object of the utility model is to provide a self-lubricating driven children bicycle. This transmission system can solve the spot problem of lubricating oil and the dismantlement problem of the process of oiling, can reduce children's bicycle riding process's resistance again, also avoids children to receive accidental injury.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a self-lubricating transmission children bicycle comprises a front fork bowl group, a bracket, a front wheel assembly, a rear wheel assembly, a transmission mechanism and a bicycle seat; the front fork bowl group is connected with the front wheel assembly; one end of the bracket is rotatably connected with the front fork bowl group, the other end of the bracket is connected with the rear wheel assembly, and the transmission mechanism comprises a middle shaft assembly, a frame five-way assembly, a pedal plate, a fluted disc and a chain; the middle shaft assembly is characterized by comprising a middle shaft and a middle shaft DU shaft sleeve; the frame five-way assembly is fixed on the bracket, and the middle shaft is rotatably arranged in the frame five-way assembly through the middle shaft DU shaft sleeve; the front wheel assembly and the rear wheel assembly respectively comprise a wheel rim, a wheel, a DU shaft sleeve and a wheel shaft, the wheel is nested on the wheel rim, and the wheel rim is rotatably arranged on the wheel shaft through the DU shaft sleeve.

As a preferred scheme, the middle shaft DU shaft sleeve and the DU shaft sleeve are both made of DU self-lubricating materials.

As a preferred scheme, the frame five-way assembly further comprises a frame five-way, a left eccentric five-way and a right eccentric five-way; the frame five-way is fixed with the support, the left side eccentric five-way and the right side eccentric five-way are fixed on two sides of the frame five-way, and the middle shaft is respectively in rotating connection with the left side eccentric five-way and the right side eccentric five-way through two middle shaft DU shaft sleeves.

As the preferred scheme, the centre shaft assembly also comprises a centre shaft clamping horse and a centre shaft DU gasket; a middle shaft clamping horse used for fixing a gear disc is installed on one side of the middle shaft, and a middle shaft DU gasket is installed on the middle shaft and is installed on the outer side of a middle shaft DU shaft sleeve.

Preferably, the front wheel assembly and the rear wheel assembly further comprise a waterproof mechanism and a hub cover; the hub cover is fixed on the wheel ring and is rotationally connected with the wheel shaft through a DU shaft sleeve, and the waterproof mechanism is arranged on the middle shaft and positioned on the outer side of the DU shaft sleeve.

Preferably, the waterproof mechanism comprises a hub gasket, a waterproof aluminum gasket and a rubber waterproof ring; the flower-drum gasket is installed the DU axle sleeve outside, waterproof aluminium gasket is installed the flower-drum gasket outside, the waterproof circle of rubber is installed the waterproof aluminium gasket outside.

Preferably, nuts are installed on two sides of the wheel shaft, a C-shaped clamp spring opening is formed in one side of the wheel shaft and located between the hub gasket and the waterproof aluminum gasket, and a C-shaped clamp spring is installed on the C-shaped clamp spring opening.

As a preferred scheme, the front fork bowl group comprises a T-shaped handlebar and a nylon vacuumizing front fork; the T-shaped handlebar is inserted into the nylon vacuumizing front fork, the middle of the nylon vacuumizing front fork is connected with the support, and the rear claw part of the nylon vacuumizing front fork is connected with the front wheel shaft of the front wheel assembly.

As a preferred scheme, the bent parts of the bracket and the front fork bowl group are in arc transition.

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

the utility model discloses a driven children bicycle of self-lubricating adopts DU self-lubricating material axle sleeve to replace original steel ball structure, makes bicycle transmission system need not the lubrication that oils, has solved the problem that the bicycle need be dismantled to the consumer. Meanwhile, as the bearing of the transmission system does not have lubricating oil, the cleaning of stains formed by the lubricating oil and dust is not needed. Because the friction force that DU self-lubricating material's axle sleeve caused is littleer than steel ball structure, so reduced the resistance that children produced in riding. Adopt waterproof aluminium packing ring and the waterproof circle of rubber, prevented to lead to transmission system's damage because of the infiltration of ponding at the in-process of riding.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the rear wheel assembly of the present invention;

fig. 3 is an exploded view of the rear wheel assembly of the present invention;

FIG. 4 is a structural view of the bottom bracket assembly of the present invention;

fig. 5 is an exploded view of the bottom bracket assembly of the present invention.

Wherein the reference numerals are: 1. a wheel axle; 2. a hub gasket; 3. a C-shaped clamp spring; 4. a hexagonal nut; 5. a waterproof aluminum gasket; 6. a DU shaft sleeve; 7. a hub cap; 8. a wheel; 9. a rubber waterproof ring; 10. another hexagonal nut; 11. a rim; 12. clamping the middle shaft; 13. a middle shaft DU gasket; 14. a middle shaft DU shaft sleeve; 15. the left side is eccentric and is five-way; 16. a frame is five-way; 17. the right side is eccentric and is five-way; 18. a middle shaft; 19. a T-shaped handlebar; 20. a nylon evacuation front fork; 21. a support; 22. a front wheel.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further explained with reference to the following embodiments and drawings:

as shown in fig. 1 to 5, the present embodiment provides a self-lubricating child bicycle, which includes a front fork bowl set, a bracket 21, a front wheel assembly, a rear wheel assembly, a transmission mechanism and a seat; the front fork bowl group is fixed with a wheel shaft of the front wheel component to drive the bicycle to make steering motion; one end of the bracket 21 is rotatably connected with the front fork bowl group, and the other end of the bracket is fixed with a wheel shaft of the rear wheel component; the transmission mechanism is arranged on the support 21 and used for transmitting the power of the bicycle and comprises a middle shaft assembly, a frame five-way assembly, pedals, a fluted disc and a chain.

The front fork bowl group comprises a T-shaped handlebar 19 and a nylon vacuumizing front fork 290; the T-shaped handlebar 19 is inserted into the nylon evacuation front fork 20, the middle part of the nylon evacuation front fork 20 is rotatably connected with the support 21, the rear claw part of the nylon evacuation front fork 20 is fixed with the wheel shaft of the front wheel assembly, when steering is needed, the T-shaped handlebar 19 is rotated, the T-shaped handlebar 19 drives the nylon evacuation front fork 20 to rotate, and the nylon evacuation front fork 20 drives the front wheel to do steering motion.

Support 21 and front fork bowl group all adopt the circular arc transition in the department of buckling for children's bicycle surface does not have sharp object, avoids children to receive the injury of sharp object.

The frame five-way assembly comprises a frame five-way 16, a left eccentric five-way 15 and a right eccentric five-way 17; the frame five-way 16 is connected with the bracket 21, and the left eccentric five-way 15 and the right eccentric five-way 17 are fixed on two sides of the frame five-way 16 and used for preventing the longitudinal movement of the middle shaft assembly.

The middle shaft assembly comprises a middle shaft 18, a middle shaft DU shaft sleeve 14, a middle shaft clamp 12 and a middle shaft DU gasket 13; the middle shaft 18 is respectively connected with the left eccentric five-way 15 and the right eccentric five-way 17 in a rotating way through two middle shaft DU shaft sleeves 14. When the transmission mechanism works, the middle shaft 18 rotates in the middle shaft DU shaft sleeve 14, and the self-lubricating function of the middle shaft DU shaft sleeve 14 ensures that the resistance borne by the middle shaft 18 is small. The middle shaft clamping horse 12 is installed on one side of the middle shaft 18, and a middle shaft DU gasket 13 is installed on the outer side of the middle shaft DU shaft sleeve 14. Because the middle axle 18 will vibrate when rotating, the middle axle clamp 12 is used to prevent the fluted disc from shaking, and the middle axle DU washer 13 is used to eliminate the lateral displacement of the middle axle DU bushing 14 caused by the vibration of the middle axle 18.

The front wheel assembly and the rear wheel assembly respectively comprise a wheel shaft 1, a wheel rim 11, a wheel 8, a DU shaft sleeve 6 and a hub cover 7; the hub cover 7 is fixed with the rim 11 and used for achieving transverse positioning of the DU shaft sleeve 6, the hub cover 7 is rotatably connected with the wheel shaft 1 through the DU shaft sleeve 6, and the wheel 8 is nested on the rim 11. When the wheel 8 moves, the rim 11 connected with the wheel 8 rotates, and the rim 11 rotates on the DU shaft sleeve 6, so that the resistance applied to the rim 7 in the rotating process is reduced.

The front wheel assembly and the rear wheel assembly further comprise a waterproof mechanism, and the waterproof mechanism comprises a hub gasket 2, a waterproof aluminum gasket 5 and a rubber waterproof ring 9; the flower-drum gasket 2 is installed in 6 outsides of DU axle sleeve, is used for eliminating the displacement of DU axle sleeve 6 production because of the vibration, waterproof aluminium packing ring 5 is installed the flower-drum gasket 2 outside, the waterproof circle of rubber 9 is installed the 2 outsides of waterproof aluminium packing ring, the waterproof circle of rubber 9 with waterproof aluminium packing ring 2 is used for preventing to lead to the damage of shaft because of the infiltration of ponding at the in-process of riding.

Nuts used for achieving transverse positioning of the rubber waterproof ring 9 are installed on two sides of the wheel shaft 1, a C-shaped clamp spring opening used for installing a C-shaped clamp spring 3 is formed in one side of the wheel shaft, the C-shaped clamp spring opening is located between the hub gasket 2 and the waterproof aluminum gasket 5, and the C-shaped clamp spring 3 is used for achieving transverse positioning of the hub gasket 2.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A self-lubricating transmission children bicycle comprises a front fork bowl group, a bracket (21), a front wheel assembly, a rear wheel assembly, a transmission mechanism and a bicycle seat; the front fork bowl group is connected with the front wheel assembly; one end of the support (21) is rotatably connected with the front fork bowl group, the other end of the support is connected with the rear wheel assembly, and the transmission mechanism comprises a middle shaft assembly, a frame five-way assembly, a pedal, a fluted disc and a chain; the middle shaft assembly is characterized by comprising a middle shaft (18) and a middle shaft DU shaft sleeve (14); the frame five-way assembly is fixed on a bracket (21), and the middle shaft (18) is rotatably arranged in the frame five-way assembly through the middle shaft DU shaft sleeve (14); the front wheel assembly and the rear wheel assembly respectively comprise a wheel rim (11), a wheel (8), a DU shaft sleeve (6) and a wheel shaft (1), the wheel (8) is nested on the wheel rim (11), and the wheel rim (11) is rotationally arranged on the wheel shaft (1) through the DU shaft sleeve (6).

2. The self-lubricating transmission children bicycle of claim 1, wherein the middle axle DU axle sleeve (14) and the DU axle sleeve (6) are both made of DU self-lubricating materials.

3. The self-lubricating powered children's bicycle of claim 1, wherein the frame bottom bracket assembly further comprises a frame bottom bracket (16), a left eccentric bottom bracket (15) and a right eccentric bottom bracket (17); the frame five-way (16) is fixed with the support (21), the left eccentric five-way (15) and the right eccentric five-way (17) are fixed on two sides of the frame five-way (16), and the middle shaft (18) is respectively in rotating connection with the left eccentric five-way (15) and the right eccentric five-way (17) through two middle shaft DU shaft sleeves (14).

4. The self-lubricating powered children's bicycle of claim 1, wherein the bottom bracket assembly further comprises a bottom bracket clamp (12) and a bottom bracket DU washer (13); a middle shaft clamping horse (12) used for fixing a gear disc is installed on one side of the middle shaft (18), and a middle shaft DU gasket (13) is installed on the middle shaft (18) and installed on the outer side of a middle shaft DU shaft sleeve (14).

5. A self-lubricating transmission children's bicycle according to claim 1, wherein the front and rear wheel assemblies further comprise a waterproof mechanism and a hub cap (7); the hub cap (7) is fixed on the rim (11), the hub cap (7) is rotatably connected with the wheel shaft (1) through a DU shaft sleeve (6), and the waterproof mechanism is installed on the middle shaft (18) and located on the outer side of the DU shaft sleeve (6).

6. A self-lubricating powered children's bicycle according to claim 5, wherein the waterproofing mechanism comprises a hub washer (2), a waterproof aluminum washer (5) and a rubber waterproof ring (9); flower-drum gasket (2) are installed DU axle sleeve (6) outside, waterproof aluminium packing ring (5) are installed flower-drum gasket (2) outside, waterproof circle of rubber (9) are installed waterproof aluminium packing ring (5) outside.

7. The self-lubricating transmission children bicycle as claimed in claim 6, wherein nuts are mounted on two sides of the wheel shaft (1), a C-shaped clamp spring opening is formed in one side of the wheel shaft (1), the C-shaped clamp spring opening is located between the hub gasket (2) and the waterproof aluminum gasket, and a C-shaped clamp spring (3) is mounted on the C-shaped clamp spring opening.

8. The self-lubricating powered children's bicycle of claim 5, wherein the front fork bowl set includes a T-shaped handlebar (19) and a nylon evacuated front fork (20); the T-shaped handlebar (19) is inserted into the nylon vacuumizing front fork (20), the middle of the nylon vacuumizing front fork (20) is connected with the support (21), and the rear claw part of the nylon vacuumizing front fork (20) is fixed with the wheel shaft of the front wheel assembly.

9. The self-lubricating transmission children bicycle according to claim 1, wherein the bending parts of the bracket (21) and the front fork bowl group are in circular arc transition.