CN210437313U

CN210437313U - Self-propelled scooter

Info

Publication number: CN210437313U
Application number: CN201921272536.3U
Authority: CN
Inventors: 曹辉
Original assignee: Stdier Transmission Technology Xiamen Co ltd
Current assignee: Stdier Transmission Technology Xiamen Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-01
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a self-propelled scooter, a group of wheels are driving wheels of a left wheel and a right wheel, a rotatable manpower driving device is arranged on a frame, a driving gear is arranged at the lower end of the manpower driving device around a rotating shaft, the driving gear is in gear transmission connection with a reciprocating rotating shaft, a one-way bearing is arranged on the reciprocating rotating shaft, and the one-way bearing drives the driving wheels to rotate in one direction; after the scheme is adopted, the self-sliding of the scooter can be realized only by adding few parts, the weight of the scooter body is little increased, and the scooter is easy to be carried by teenagers; by adopting a double-wheel structure, a person stands on the scooter and is balanced when operating, and the falling situation can not occur.

Description

Self-propelled scooter

Technical Field

The utility model relates to a scooter, in particular to a scooter which can slide without pedals.

Background

The scooter is a new product of another type of sports following the skateboard, the speed can reach 20 kilometers/hour, the scooter is a simple labor-saving sports machine, one foot is used at the front part of the skateboard, and the other foot is used for stepping on the ground to slide forwards. Although the scooter has great sliding fun, the leg deformity can be caused by long-term use of the scooter for young people who are not well developed. Later, the inventor invents the electric scooter, so that the scooter has no sliding fun, and meanwhile, the electric driving part increases the weight of the scooter and is not easy to carry.

Chinese patent CN2784298Y discloses a scooter, which comprises a frame, a direction seat and a direction handle, wherein a direction wheel is fixed on a front fork of a direction handle rod, the direction handle rod is foldable, the tail part of the frame is fixed with a power wheel and a driven wheel which are arranged in parallel and connected with each other through a shaft, a speed-increasing transmission mechanism is arranged in the frame, two pedal rods are arranged in the middle of an input shaft of the speed-increasing transmission mechanism, the other ends of the two pedal rods are connected with pedals, the two pedals are arranged in parallel, and the scooter is characterized in that the input shaft is arranged at the front part of the frame, a one-way bearing is embedded at the joint of the pedal rods and the input shaft, and a torsion spring which rebounds upwards is also arranged, and the speed-increasing transmission mechanism is a three-stage. However, the structure needs a person to step on the skateboard by two pedals, which is extremely unstable and has great potential safety hazard (the speed of the person can be higher than that of a bicycle), and in addition, the weight of the bicycle body is greatly increased by the two pedals and the complex transmission structure, so that the bicycle is not easy to carry and the cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scooter that lightly just can slide by oneself.

In order to achieve the above object, the utility model relates to a self-propelled scooter, including frame, front and back two sets of wheels and handlebar, wherein, the drive wheel of a set of wheel for controlling the double round is equipped with rotatable manpower drive device on the frame, is equipped with the elasticity piece that resets in manpower drive device's pivot, and manpower drive device lower extreme revolutes the axle and is equipped with drive gear, and drive gear forms gear drive with a reciprocal pivot and is connected, is equipped with one-way bearing in the reciprocal pivot, and one-way bearing drives drive wheel unidirectional rotation.

The manual driving device is a pedal arranged on the rear wheel, a fan-shaped driving gear is arranged on the lower portion of the pedal, a reset torsion spring for resetting the pedal is sleeved on a rotating shaft of the pedal, the reciprocating rotating shaft is two rear wheel rotating shafts, the one-way bearings are located in shaft holes of the rear wheel, the reciprocating rotating shaft penetrates through the two one-way bearings, and a gear transmission connection is formed between the reciprocating rotating shaft and the fan-shaped driving gear.

The manual driving device is a pedal arranged on the rear wheel, a fan-shaped driving gear is arranged on the lower portion of the pedal, a reset torsion spring enabling the pedal to reset is sleeved on a rotating shaft of the pedal, a gear transmission connection is formed between a reciprocating rotating shaft and the fan-shaped driving gear, a one-way bearing is sleeved on the reciprocating rotating shaft, a speed change gear set is sleeved on the one-way bearing, and the speed change gear set and the rear wheel rotating shaft are in gear rotation connection.

The manual driving device is a handlebar capable of swinging back and forth, a fan-shaped driving gear is arranged on the lower portion of the handlebar, a reset torsion spring enabling the handlebar to reset is sleeved on a rotating shaft of the handlebar, the reciprocating rotating shaft is two front wheel rotating shafts, one-way bearings are located in shaft holes of the front wheels, the reciprocating rotating shaft penetrates through the two one-way bearings, and a gear transmission connection is formed between the reciprocating rotating shaft and the fan-shaped driving gear.

After the scheme is adopted, the utility model discloses as long as let fan-shaped driving gear drive reciprocal pivot rotation through increasing the running-board or waveing the handlebar, reciprocal pivot drives one-way bearing, because one-way bearing can only rotate to a direction, so drive the wheel and move ahead. The utility model discloses only increase few parts and can realize the self-propelled of scooter and slide, automobile body weight increases rarely, easily teenagers carry. By adopting a double-wheel structure, a person stands on the scooter and is balanced when operating, and the falling situation can not occur.

Drawings

FIG. 1 is a schematic side sectional view of the structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of a backward cross-sectional view of the structure of embodiment 1 of the present invention;

fig. 3 is a schematic side sectional view of the structure of embodiment 2 of the present invention;

fig. 4 is a schematic side sectional view of the structure of embodiment 3 of the present invention;

fig. 5 is a schematic diagram of a backward sectional view of the structure of embodiment 1 of the present invention.

Description of reference numerals:

1. a vehicle frame. 2. A front wheel; 3. a rear wheel; 4. a handlebar; 5. a foot pedal; 6. a sector-shaped driving gear; 7. a return torsion spring; 8. a pedal plate rotating shaft; 9. the reciprocating rotating shaft rotates; 91. a reciprocating shaft gear; 10. a one-way bearing; 11. a speed change gear; 12. a rear wheel rotating shaft; 13. a handlebar stem; 14. the wheel is provided with a bearing.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Fig. 1 and fig. 2 are schematic structural views of a first embodiment of the present invention. The utility model relates to a self-propelled scooter, including frame 1, front and back two sets of

wheels

2, 3 and handlebar 4, front and

back wheel

2, 3 adopt and control the double round. A pedal 5 is arranged on the frame 1 opposite to the rear wheel 3. The pedal 5 and the two reset torsion springs 7 are sleeved on a pedal rotating shaft 8 of the frame 1, and the reset torsion springs 7 can enable the pedal 5 to return to the original position after the external force is removed. The lower end of the pedal 5 is integrally provided with a sector driving gear 6. One-way bearings 10 (also called backstops and overrunning clutches) are arranged in the shaft holes of the two rear wheels 3, when the rotating shaft rotates along one direction only, the outer wheel or the inner wheel serving as the driven wheel rotates downwards when the rotating shaft drives the inner wheel or the outer wheel serving as the driving wheel to rotate forwards, and when the rotating shaft drives the inner wheel or the outer wheel serving as the driving wheel to rotate reversely, the outer wheel or the inner wheel serving as the driven wheel does not rotate reversely, the structure of the one-way bearings is known in the prior art), the reciprocating rotating shaft 9 penetrates through the two one-way bearings 10, the reciprocating rotating shaft 9 is sleeved on a wheel mounting bearing 12 located below the frame 1, a reciprocating rotating shaft gear 91 is arranged on the reciprocating rotating shaft 9, and the sector driving gear 6 penetrates through the groove in the frame 1 to form gear transmission connection with. When the scooter is used, a user stands on the scooter frame 1 and holds the handlebar 4, and the scooter is a left wheel and a right wheel, so the user can keep balance, the user treads the pedal 5 with feet, the fan-shaped driving gear 6 rotates anticlockwise in the figure 1, the fan-shaped driving gear 6 drives the reciprocating rotating shaft 9 to rotate clockwise, the reciprocating rotating shaft 9 drives the one-way bearing 10 to rotate clockwise, and the wheels rotate forwards. When a user loosens the pedal 5, the pedal 5 moves upwards under the action of the two reset torsion springs 7, the fan-shaped driving gear 6 rotates clockwise, the fan-shaped driving gear 6 drives the reciprocating rotating shaft 9 to rotate anticlockwise, but the outer wheel of the one-way bearing 10 cannot rotate anticlockwise, so that the wheel cannot be reversed, and the wheel continues to rotate forwards after the user steps on the pedal 5 next time, so that the purpose of self-sliding is achieved. The utility model combines the one-way bearing with the reciprocating rotating shaft,

the utility model discloses the second embodiment has increased change gear 11 on the basis of first embodiment, reciprocal pivot 9 separately sets up with rear wheel axle 12, reciprocal pivot 9 independently sets up on the installation bearing of frame 1 below (not shown in the figure), one-way bearing 10 cover is established on reciprocal pivot 9, change gear 11 is established to one-way bearing 10 upper cover, change gear 11 forms gear drive with rear wheel axle 12 within a definite time and is connected, also can establish multistage change gear between change gear 11 and rear wheel axle 12. As shown in fig. 3 (the one-way gear needs to be installed reversely, and the two-stage speed change gear does not need to be installed reversely), when the user steps on the pedal 5 with his foot, the sector driving gear 6 rotates counterclockwise, the sector driving gear 6 drives the reciprocating rotary shaft 9 to rotate clockwise, and the reciprocating rotary shaft 9 does not drive the one-way bearing 10 to rotate clockwise due to the reverse installation of the one-way gear. After the user loosens running-board 5, running-board 5 upwards moves under the effect of two reset torsion springs 7, and fan-shaped driving gear 6 clockwise turning, fan-shaped driving gear 6 drive reciprocal pivot 9 anticlockwise rotation, but this moment one-way bearing 10's foreign steamer follows anticlockwise rotation, and change gear 11 drives rear wheel pivot 12 and rotates, and the wheel rotates forward, steps on running-board 5 and loosens the rear wheel and continue to rotate forward next foot, has realized the gliding purpose of proper motion.

Fig. 4 and 5 show a third embodiment of the present invention. The driving wheel is provided on the front wheel, and the structure is the same as the first embodiment, except that the pedal for driving is replaced by a handle 4 which can swing back and forth, the handle 4 is provided on a handle rotating shaft 13, a sector driving gear 6 is provided on the lower portion of the handle 4, and a return torsion spring 7 is provided between the handle rotating shaft 13 and the handle. The structure and operation are the same as those of the first embodiment and will not be described here.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent shapes or structural changes made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are included in the same way in the protection scope of the present invention.

Claims

1. The utility model provides a self-propelled scooter, includes frame, front and back two sets of wheels and handlebar, its characterized in that: the frame is provided with a rotatable manual driving device, an elastic reset piece is arranged on a rotating shaft of the manual driving device, a driving gear is arranged at the lower end of the manual driving device around the rotating shaft and is in gear transmission connection with a reciprocating rotating shaft, and the reciprocating rotating shaft is provided with a one-way bearing which drives the driving wheel to rotate in a one-way mode.

2. The self-propelled scooter as claimed in claim 1, wherein: the manual driving device is a pedal arranged on the rear wheel, a fan-shaped driving gear is arranged on the lower portion of the pedal, a reset torsion spring for resetting the pedal is sleeved on a rotating shaft of the pedal, the reciprocating rotating shaft is two rear wheel rotating shafts, the one-way bearings are located in shaft holes of the rear wheel, the reciprocating rotating shaft penetrates through the two one-way bearings, and a gear transmission connection is formed between the reciprocating rotating shaft and the fan-shaped driving gear.

3. The self-propelled scooter as claimed in claim 1, wherein: the manual driving device is a pedal arranged on the rear wheel, a fan-shaped driving gear is arranged on the lower portion of the pedal, a reset torsion spring enabling the pedal to reset is sleeved on a rotating shaft of the pedal, a gear transmission connection is formed between a reciprocating rotating shaft and the fan-shaped driving gear, a one-way bearing is sleeved on the reciprocating rotating shaft, a speed change gear set is sleeved on the one-way bearing, and the speed change gear set and the rear wheel rotating shaft are in gear rotation connection.

4. The self-propelled scooter as claimed in claim 1, wherein: the manual driving device is a handlebar capable of swinging back and forth, a fan-shaped driving gear is arranged on the lower portion of the handlebar, a reset torsion spring enabling the handlebar to reset is sleeved on a rotating shaft of the handlebar, the reciprocating rotating shaft is two front wheel rotating shafts, one-way bearings are located in shaft holes of the front wheels, the reciprocating rotating shaft penetrates through the two one-way bearings, and a gear transmission connection is formed between the reciprocating rotating shaft and the fan-shaped driving gear.