CN113264137A

CN113264137A - High security children's scooter

Info

Publication number: CN113264137A
Application number: CN202110612406.5A
Authority: CN
Inventors: 李思岑; 叶振; 徐乐; 韦强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-08-17

Abstract

The invention discloses a high-safety child scooter, which comprises a handle, a pedal, a front wheel, a rear wheel and a rear wheel shaft, the rear wheel is symmetrically arranged on a rear wheel shaft, electromagnetic clutch devices matched with the rear wheel are symmetrically arranged on the rear wheel shaft, a button for controlling an electromagnet on the electromagnetic clutch device is arranged on the pedal, a bogie is arranged between the front wheel and the handle, the steering frame is provided with a plectrum matched with the button for controlling the switch state of the button, the pedal is symmetrically provided with a rear wheel speed reducer matched with the steering frame, the invention provides a device for decelerating rear wheels at the turning side of a scooter so as to reduce the turning radius and provide support when the scooter heels.

Description

High security children's scooter

Technical Field

The invention relates to the technical field of scooters, in particular to a high-safety child scooter.

Background

The children scooter is a widely used children toy, children usually use it as a tool for riding instead of walk, or for the companions chase and beat the toy, and children electric scooter more children provide the convenient function of saving time, welcome by children. The existing child scooter usually adopts a front wheel to steer the scooter when turning, when the turning is small, the vehicle only slightly leans, the child can easily control to enable the scooter body to be fast and stable, and because the general child does not have enough control on the turning force or has insufficient deep concept of turning, the child can turn with a larger turning angle when turning, so that safety accidents such as the vehicle heeling and overturning and the like are generated, and the child is injured; and because the rear wheels on both sides all rotate at the same rotating speed during the general turning, can not bring less turning radius for the user, and the place that needs less turning radius is difficult to pass through in some.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a high-safety child scooter.

In order to solve the technical problems, the invention is solved by the following technical scheme: a high-safety child scooter comprises a handle, pedals, front wheels, rear wheels and a rear wheel shaft, wherein the rear wheels are symmetrically arranged on the rear wheel shaft.

In the above scheme, preferably, the rear wheel shaft is symmetrically provided with electromagnetic clutch devices matched with the rear wheel, the pedal is provided with a button for controlling an electromagnet on the electromagnetic clutch devices, a bogie is arranged between the front wheel and the handle, and the bogie is provided with a shifting piece matched with the button for controlling the on-off state of the button; the symmetry is equipped with the rear wheel decelerator who cooperates with the bogie on the footboard for make unilateral rear wheel speed reduction when the bogie rotates, be equipped with on the footboard with rear wheel decelerator matched with side direction strutting arrangement, make the automobile body remain stable when heeling, its beneficial effect lies in: the device capable of supporting the pedals when the scooter heels is provided, so that the scooter is safer and more stable.

In the above scheme, it is preferred, electromagnetic clutch device includes electro-magnet, first spring, response ring and clutch, the electro-magnet is located on the epaxial first limiting plate of trailing axle, the response ring is located on the clutch, the clutch is located on the trailing axle, first spring housing is located on the trailing axle and both ends lean on first limiting plate and clutch respectively, the button passes through the cable and links to each other with the electro-magnet, and its beneficial effect lies in: a clutch mode of the rear wheel is provided, so that the rear wheel at the steering side is separated from the rear wheel shaft when receiving steering thrust and does not rotate synchronously with the rear wheel shaft any more.

In the above-mentioned scheme, it is preferred, be equipped with first tooth portion on the clutch, be equipped with on the rear wheel and can mesh with first tooth portion second tooth portion mutually, the second tooth portion sets firmly on the axle sleeve of rear wheel, and its beneficial effect lies in: the clutch is provided in a specific mode, and the rear wheel shaft achieve the clutch effect through the engagement and disengagement of the first tooth part and the second tooth part.

In the above scheme, it is preferred, rear wheel decelerator includes slide bar, second spring and speed reduction portion, the slide bar is located on the footboard, be equipped with on the footboard with slide bar matched with first deflector and second deflector, slide bar one end is equipped with the roof, the other end be equipped with speed reduction portion complex first inclined plane, the second spring housing is located on the slide bar and both ends are pushed up respectively and are leaned on first deflector and roof, be equipped with the bogie that leans on with roof matched with top on the bogie, still be equipped with on the slide bar with side direction strutting arrangement matched with sliding pin, its beneficial effect lies in: a drive device for a rear wheel speed reduction unit is provided to transmit steering thrust to a rear wheel on a steering side when a scooter is steered, and to reduce the speed of the rear wheel on the steering side.

In the above scheme, it is preferred, the portion of slowing down includes guide bar, slip ring, first strong magnet and compresses tightly the portion, the guide bar is located on the footboard, first strong magnet sets firmly on the guide bar, slip ring and first strong magnet actuation, compress tightly on the portion locates the slip ring, its beneficial effect lies in: a specific structure of a speed reduction portion is provided, which enables the speed reduction portion to effectively reduce the speed of a rear wheel on a steering side.

In the above scheme, it is preferred, the portion of compressing tightly includes clamp ring, depression bar and third spring, the depression bar symmetry is located on the clamp ring, the depression bar slides and locates on the slip ring, the third spring housing is located on the depression bar and both ends are leaned on clamp ring and slip ring respectively in the top, be equipped with first friction ring on the clamp ring, be equipped with on the rear wheel with first friction ring matched with second friction ring, its beneficial effect lies in: the utility model provides a concrete structure of portion compresses tightly makes the portion of compressing tightly can effectively compress tightly with the laminating of second friction ring on the rear wheel, reaches the effect that reduces to turn to side rear wheel speed.

Among the above-mentioned scheme, it is preferred, side direction strutting arrangement includes dwang, rotor arm and universal wheel, the dwang rotates and locates on the footboard, rotor arm one end links to each other with the dwang, and the other end is equipped with the universal wheel, be equipped with on the rotor arm with sliding pin matched with cell body, be equipped with the fourth spring between universal wheel and the rotor arm, the universal wheel upper end is equipped with iron plate, be equipped with on the footboard with the second strong magnet of iron plate appearance looks adaptation, its beneficial effect lies in: the utility model provides a concrete structure of lateral support device makes the scooter have the lateral support of turning side when fast turning to stability when guaranteeing to turn.

The invention has the beneficial effects that: the invention provides a device for decelerating rear wheels at the turning side of a child scooter when the child scooter turns, so that the rear wheels at the two sides have different speeds when the child scooter turns, the effect of reducing the turning radius is achieved, the passing performance of the scooter is improved, and meanwhile, lateral support at the turning side is provided when the child turns, the stability of the scooter is ensured, and the safety of the child in using the scooter is greatly improved.

Drawings

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

FIG. 2 is a schematic bottom view of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a partial enlarged view of the rear wheel portion of the present invention.

Fig. 5 is a cross-sectional structural view of the rear wheel portion of the present invention.

Fig. 6 is a schematic perspective view of the rear wheel of the present invention.

FIG. 7 is a schematic view of the clutch of the present invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-7, a high-safety child scooter comprises a handle 1, a pedal 2, a front wheel 3, a rear wheel 4 and a rear wheel shaft 5, wherein the rear wheel 4 is symmetrically arranged on the rear wheel shaft 5, the rear wheel 4 is rotatably connected with the rear wheel shaft 5 through a bearing, a shaft sleeve 18 is arranged on the rear wheel 4, second teeth 17 are uniformly arranged on the circumference of the shaft sleeve 18, preferably three protrusions are uniformly distributed on the second teeth 17, the rear wheel 4 comprises a second friction ring 38, preferably a wear-resistant alloy is arranged on the second friction ring 38, the rear wheel shaft 5 is a driving shaft, and a driving mode between the rear wheel shaft 5 and the scooter is the prior art, which is not described in detail herein.

The rear wheel shaft 5 is symmetrically provided with electromagnetic clutch devices matched with the rear wheels 4, each electromagnetic clutch device comprises an electromagnet 11, a first spring 12, an induction ring 13 and a clutch 14, two sides of the rear wheel shaft 5 are symmetrically provided with first limiting plates 15, the electromagnets 11 are fixedly arranged on the first limiting plates 15, the electromagnets 11 are preferably annular, and the centers of the annular centers are consistent with the axes of the rear wheel shaft 5; the induction ring 13 is an iron annular block matched with the electromagnet 11, the induction ring 13 is fixedly arranged on the clutch 14, and can also be preferably integrally formed with the clutch 14, namely the clutch 14 is made of iron; the clutch 14 is arranged on the rear wheel shaft 5 in a sliding mode, a long key is arranged between the clutch 14 and the rear wheel shaft 5, and the clutch 14 can slide on the long key, namely the rear wheel shaft 5 can drive the clutch 14 to rotate together; the first spring 12 is sleeved on the rear wheel axle 5, and two ends of the first spring respectively abut against the first limit plate 15 and the clutch 14.

The clutch 14 is provided with a first tooth part 16 matched with a second tooth part 17 arranged on a shaft sleeve 18, and the first tooth part 16 preferably comprises three bulges which are uniformly distributed on the circumference and can be integrated after being meshed with the second tooth part 17.

The pedal 2 is symmetrically provided with buttons 6 for controlling the electromagnet 11 on the electromagnetic clutch device, the buttons 6 are connected with the electromagnet 11 through cables, a bogie 7 is arranged between the front wheel 3 and the handle 1, the buttons 6 are matched with a shifting sheet 71 arranged on the rotating frame 7, the shifting sheet 71 is arranged around the axis of the rotating frame 7, and the buttons 6 are also arranged around the axis of the rotating frame 7 after the rotating frame 7 is assembled; the shifting sheet 71 is preferably an annular plate, and the front wheel 3 is turned with the shifting sheet 71 at a certain distance from the button 6, that is, the rotating frame 7 needs to rotate for a certain angle to contact with the button 6 to trigger the clutch device, that is, when the turning angle is larger, the electromagnetic clutch device is triggered to disconnect the rear wheel 4 at the turning side from the rear wheel shaft 5.

The pedal 2 is symmetrically provided with rear wheel speed reducing devices matched with the bogie 7 and used for reducing the speed of rear wheels on the steering side when the bogie 7 rotates, each rear wheel speed reducing device comprises a sliding rod 21, a second spring 22 and a speed reducing part, the sliding rods 21 are arranged on a first guide plate 23 and a second guide plate 24 on the pedal 2 in a sliding mode, the sliding rods 21 are preferably rectangular, hole bodies matched with the rectangular sliding rods 21 are arranged on the first guide plates 23 and the second guide plates 24, one end of each sliding rod 21 is provided with a top plate 25, the other end of each sliding rod 21 is provided with a first inclined surface 26 matched with a sliding ring 33 on the speed reducing part, and the first inclined surfaces 26 are gradually inclined from one side of the rear wheel 4 to one side of the clutch 14; the second spring 22 is sleeved on the sliding rod 21, two ends of the second spring respectively abut against the first guide plate 23 and the top plate 25, a steering plate 72 which is matched with the top plate 25 and abuts against the top plate is arranged on the bogie 7, the top plate 25 is in a long strip plate shape, the steering plates 72 symmetrically arranged on the bogie 7 are in contact with the top plate 25 when the front wheel 3 is turned, and the length of the top plate 25 ensures that the steering plate 72 on one side of rotation cannot be separated from the top plate 25 when the rotation is carried out.

The speed reducing portion comprises a guide rod 31, a sliding ring 32, a first strong magnet 33 and a pressing portion, the pressing portion comprises a pressing ring 34, a pressing rod 35 and a third spring 36, the guide rod 33 is fixedly arranged on the

pedal

2, 3 groups of the guide rod 33 are preferably uniformly arranged around the circumference of the axis of the rear wheel shaft 5, the first strong magnet 33 is fixedly arranged on the guide rod 31, the sliding ring 32 is just attracted with the first strong magnet 33 when the front wheel 3 rotates, 2 groups of the pressing rod 35 are preferably symmetrically arranged on the pressing ring 34, the pressing rod 35 is slidably arranged on the sliding ring 32, a limiting plate is arranged after the pressing rod 35 penetrates through the sliding ring 32, the third spring 36 is sleeved on the pressing rod 35, two ends of the third spring abut against the pressing ring 34 and the sliding ring 32 respectively, a first friction ring 37 matched with a second friction ring 38 on the rear wheel 4 is arranged on the pressing ring 34, and the first friction ring 37 is preferably made of wear-resistant alloy, and the surface of the first friction ring 37 is provided with fine particles which increase the friction force but do not affect the relative rotation of the first friction ring 37 and the second friction ring 38.

The pedal 2 is provided with a lateral supporting device which is matched with the rear wheel speed reducer and can keep the vehicle body stable when inclining, the lateral supporting device comprises a rotating rod 41, a rotating arm 42 and a universal wheel 43, the rotating rod 41 is rotatably arranged on the pedal 2, the rotating rod 41 is connected with the pedal 2 through a rotating sleeve, and the rotating rod 41 is provided with a retaining ring for limiting the rotating rod 41 so that the rotating rod 41 cannot axially move; one end of the rotating arm 42 is connected to the rotating rod 41, and the other end is provided with a universal wheel 43, the universal wheel 43 is the prior art, i.e. a wheel provided with a plane bearing and capable of rotating around a mounting shaft, and redundant description is not repeated herein; the scooter is characterized in that a groove body 44 matched with the sliding pin 27 is arranged on the rotating arm 42, the groove body 44 is preferably a through circular arc-shaped long groove, the sliding pin 27 matched with the circular arc-shaped long groove is arranged in the middle of the sliding rod 21, namely, the sliding pin 27 can slide in the groove body 44, a fourth spring 45 is arranged between the universal wheel 43 and the rotating arm 42, namely, the universal wheel 43 can slide axially at the position matched with the rotating arm 42, an iron plate 46 is arranged at the upper end of the universal wheel 43, a second strong magnet 47 matched with the iron plate 46 in shape is arranged on the pedal 2, namely, the universal wheel 43 can not swing when the scooter slides linearly after the universal wheel 43 and the second strong magnet 47 are attracted.

Using the method described in the above example: FIG. 2 shows the state of each component of the scooter in linear sliding; when the scooter turns to one side with a larger angle, the shifting sheet 71 on the bogie 7 is contacted with the button 6, so that the electromagnet 11 on the electromagnetic clutch device is electrified, the electromagnet 11 is attracted with the induction ring 13 at the moment, the clutch 14 slides to one side close to the electromagnet 11, namely, the first tooth part 16 arranged on the clutch 14 is separated from the second tooth part 17 arranged on the rear wheel shaft sleeve 18, and the rear wheel 4 only does inertial motion after losing the power of the rear wheel shaft 5; meanwhile, the steering plate 72 on the bogie 7 rotates to push against the top plate 25 on the steering side, so that the top plate 25 compresses the second spring 22 to drive the sliding rod 21 to slide, at this time, the groove 44 on the rotating arm 42 slides on the sliding pin 27, namely, the rotating arm 42 rotates outwards around the rotating rod 41, the universal wheel 43 is separated from the suction force of the second strong magnet 47 and slides outwards, and the fourth spring 45 freely extends to enable the universal wheel 43 to slide towards the place close to the ground, so that the shortest distance is generated between the universal wheel 43 and the ground, when the scooter heels, the universal wheel 43 can be in contact with the ground to provide balance support for the scooter, and meanwhile, the fourth spring 45 enables the universal wheel 43 to have certain buffering force during support;

at this time, the first inclined surface 26 at one end of the sliding rod 21 contacts with the sliding ring 32, so that the sliding ring 32 is separated from the first strong magnet 33, the sliding ring 32 drives the pressing ring 34 on the pressing part to make the first friction ring 37 on the pressing ring 34 contact with the second friction ring 38 on the rear wheel 4, the rear wheel 4 receives the relative friction force of the first friction ring 37 and the second friction ring 38, the speed of the rear wheel 4 is gradually reduced only by inertia action, the normal contact transmission speed of the rear wheel 4 and the rear wheel shaft 5 at the other side is higher than that of the rear wheel 4 at the turning side, the turning radius is reduced when the rear wheel 4 at both sides is turned at different speeds, the trafficability is increased, the larger the rotation angle of the bogie 7 is, the larger the rebound force of the first friction ring 37 by the third spring 36 is, that is, the greater the relative friction force between the second friction ring 38 and the first friction ring 37, the slower the speed of the steering side rear wheel 4, and the smaller the turning radius;

when the bogie 7 is rightly turned, namely the front wheel 3 is rightly and linearly driven, the shifting sheet 71 is disengaged from the button 6, the electromagnet 11 is powered off, the first spring 12 is pressed on the clutch 14, then the first tooth part 16 is meshed with the second tooth part 17, and the rear wheel 4 is meshed with the rear wheel shaft 5 again to synchronously rotate; meanwhile, the second spring 22 resets the sliding rod 21, and the sliding pin 27 drives the rotating arm 42 to rotate around the rotating rod 41 while resetting, so that the universal wheel 43 is folded towards the side close to the pedal 2 until the iron plate 46 is attracted with the second strong magnet 47, and the universal wheel 43 is farthest away from the ground, so that the normal sliding of the scooter is not influenced.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high security children's scooter, handle (1), footboard (2), front wheel (3), rear wheel (4) and rear wheel axle (5), on rear wheel axle (5) was located to rear wheel (4) symmetry, its characterized in that: the rear wheel shaft (5) is symmetrically provided with electromagnetic clutch devices matched with the rear wheels (4), the pedal (2) is provided with a button (6) for controlling an electromagnet on the electromagnetic clutch devices, a bogie (7) is arranged between the front wheels (3) and the handle (1), and the bogie (7) is provided with a shifting sheet (71) matched with the button (6) and used for controlling the on-off state of the button (6);

the rear wheel speed reducing devices matched with the bogie (7) are symmetrically arranged on the pedal (2) and used for reducing the speed of the rear wheel on one side when the bogie (7) rotates, and the lateral supporting devices matched with the rear wheel speed reducing devices are arranged on the pedal (2) so that the vehicle body can be kept stable when the vehicle body inclines.

2. The high safety child scooter of claim 1, wherein: electromagnetic clutch includes electro-magnet (11), first spring (12), induction ring (13) and clutch (14), on first limiting plate (15) on rear axle (5) were located in electro-magnet (11), on clutch (14) were located in induction ring (13), on rear axle (5) was located in clutch (14), first spring (12) cover was located on rear axle (5) and both ends were pushed up respectively and are leaned on first limiting plate (15) and clutch (14), button (6) link to each other with electro-magnet (11) through the cable.

3. The high safety child scooter of claim 3, wherein: the clutch (14) is provided with a first tooth part (16), the rear wheel (4) is provided with a second tooth part (17) which can be meshed with the first tooth part (16), and the second tooth part (17) is fixedly arranged on a shaft sleeve (18) of the rear wheel (4).

4. The high safety child scooter of claim 1, wherein: rear wheel decelerator includes slide bar (21), second spring (22) and speed reduction portion, slide bar (21) are located on footboard (2), be equipped with on footboard (2) with slide bar (21) matched with first deflector (23) and second deflector (24), slide bar (21) one end is equipped with roof (25), and the other end is equipped with and slows down portion complex first inclined plane (26), second spring (22) cover is located on slide bar (21) and both ends are pushed up respectively and are leaned on first deflector (23) and roof (25), be equipped with on bogie (7) and cooperate the deflector (72) that push up and lean on with roof (25), still be equipped with on slide bar (21) and side direction strutting arrangement matched with sliding pin (27).

5. The high safety child scooter of claim 4, wherein: the speed reduction portion comprises a guide rod (31), a sliding ring (32), a first strong magnet (33) and a pressing portion, the guide rod (33) is arranged on the pedal (2), the first strong magnet (33) is fixedly arranged on the guide rod (31), the sliding ring (32) is attracted with the first strong magnet (33), and the pressing portion is arranged on the sliding ring (32).

6. The high safety child scooter of claim 5, wherein: the pressing portion comprises a pressing ring (34), a pressing rod (35) and a third spring (36), the pressing rod (35) is symmetrically arranged on the pressing ring (34), the pressing rod (35) is slidably arranged on the sliding ring (32), the third spring (36) is sleeved on the pressing rod (35), two ends of the third spring abut against the pressing ring (34) and the sliding ring (32) respectively, a first friction ring (37) is arranged on the pressing ring (34), and a second friction ring (38) matched with the first friction ring (37) is arranged on the rear wheel (4).

7. The high safety child scooter of claim 4, wherein: lateral support device includes dwang (41), rotor arm (42) and universal wheel (43), dwang (41) are rotated and are located on footboard (2), rotor arm (42) one end links to each other with dwang (41), and the other end is equipped with universal wheel (43), be equipped with on rotor arm (42) with sliding pin (27) matched with cell body (44), be equipped with fourth spring (45) between universal wheel (43) and rotor arm (42), universal wheel (43) upper end is equipped with iron plate (46), be equipped with on footboard (2) with second strong magnet (47) of iron plate (46) appearance looks adaptation.