CN112339895A - Centrifugal speed-limiting child skateboard - Google Patents
Centrifugal speed-limiting child skateboard Download PDFInfo
- Publication number
- CN112339895A CN112339895A CN202011244211.1A CN202011244211A CN112339895A CN 112339895 A CN112339895 A CN 112339895A CN 202011244211 A CN202011244211 A CN 202011244211A CN 112339895 A CN112339895 A CN 112339895A
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- centrifugal
- speed
- limiting
- skateboard
- friction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K9/00—Children's cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
The invention discloses a centrifugal speed-limiting child skateboard, which comprises a skateboard body, a handrail, gravity steering wheels and a centrifugal speed-limiting mechanism, wherein the handrail for walking is fixedly arranged at one end of the upper part of the skateboard body, the gravity steering wheels are respectively arranged at two ends of the lower part of the skateboard body, the centrifugal speed-limiting mechanism for limiting the speed of a skateboard is arranged between the two gravity steering wheels at the lower part of the skateboard body, a fixed seat is fixed at the lower part of the skateboard body through screws, one end of a rocker arm is arranged on the fixed seat through a pin shaft, the other end of the rocker arm is fixedly provided with a speed-limiting wheel seat, a speed-limiting wheel shaft is arranged on the speed-limiting wheel seat, and a passive. The invention can increase the sliding resistance when the sliding plate slides at a higher speed, thereby controlling the speed of the sliding plate within a certain speed range, being beneficial to improving the safety of children, and simultaneously having no resistance influence on the use of the sliding plate within a reasonable speed range.
Description
Technical Field
The invention relates to the technical field of child scooter, in particular to the technical field of centrifugal speed-limiting child scooter.
Background
Children's balancing power can be tempered to the scooter, because children's dangerous consciousness is relatively poor, likes pursuit speed simultaneously, and some children see the slope and just want from the slope down-sliding, often because slide speed is too fast, lead to children to fall and hinder.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a centrifugal speed-limiting child skateboard, which can increase the gliding resistance when a skateboard glides at a higher speed, so that the skateboard can be controlled within a certain speed range, the safety of children is improved, and meanwhile, the skateboard cannot be influenced by resistance in a reasonable speed range.
In order to achieve the purpose, the invention provides a centrifugal speed-limiting children skateboard, which comprises a skateboard body, a handrail, gravity steering wheels and a centrifugal speed-limiting mechanism, wherein the handrail for walking is fixedly arranged at one end of the upper part of the skateboard body, the gravity steering wheels are respectively arranged at two ends of the lower part of the skateboard body, the centrifugal speed-limiting mechanism for limiting the speed of the skateboard is arranged between the two gravity steering wheels at the lower part of the skateboard body, the centrifugal speed-limiting mechanism comprises a fixed seat, a rocker arm, a speed-limiting wheel seat, a speed-limiting wheel shaft, a centrifugal active friction mechanism, a speed-limiting wheel and a passive friction plate, the fixed seat is fixed at the lower part of the skateboard body through screws, one end of the rocker arm is arranged on the fixed seat through a pin shaft, the other end of the rocker arm is fixedly provided with the speed-limiting wheel seat, and the, the quantity of centrifugation initiative friction mechanism is 1 at least, skateboard body lower part is provided with the passive friction plate that increases slide sliding resistance with the cooperation of centrifugation initiative friction mechanism, be provided with the torsional spring that is used for making the speed-limiting wheel compress tightly ground between rocking arm and the fixing base.
Preferably, the handrail comprises an outer telescopic pipe, an inner telescopic pipe and a handrail handle, the lower end of the outer telescopic pipe is fixed on the skateboard body, the lower end of the inner telescopic pipe is inserted into the outer telescopic pipe, and the handrail handle is transversely arranged at the upper end of the inner telescopic pipe.
Preferably, the gravity steering wheel comprises a wheel frame and ground rolling wheels, the ground rolling wheels are arranged on two sides of the wheel frame respectively, a vertical shaft is arranged on the wheel frame, and the vertical shaft is inserted on the sliding plate body.
Preferably, the centrifugal active friction mechanism comprises a centrifugal seat, a connecting plate and a centrifugal telescopic mechanism, the centrifugal seat is cylindrical, the centrifugal seat is fixedly arranged on the speed-limiting wheel shaft through the connecting plate, at least 3 threaded holes are formed in the periphery of the centrifugal seat, and the centrifugal telescopic mechanism is fixedly arranged on the threaded holes.
Preferably, 3 threaded holes are arranged around the centrifugal seat.
As preferred, centrifugal telescopic machanism includes adjustable centrifugal sleeve, telescopic shaft, friction ball, limiting plate and reset spring, adjustable centrifugal sleeve one end is inserted on the centrifugal seat, and the other end inboard is provided with the spacing ring, telescopic shaft one end is inserted in adjustable centrifugal sleeve, and the other end is provided with the friction ball, the telescopic shaft is inserted the one end in adjustable centrifugal sleeve and is provided with the limiting plate, be provided with reset spring between limiting plate and the spacing ring.
Preferably, the passive friction plate is provided with a friction groove, and the friction groove is in an inverted V shape.
Preferably, the friction groove and the friction ball are respectively provided with a protrusion for increasing friction force.
Preferably, the outer telescopic pipe is provided with a bolt seat, the bolt seat is provided with a positioning bolt, and the positioning bolt penetrates through the outer telescopic pipe and abuts against the inner telescopic pipe.
Preferably, the number of the centrifugal driving friction mechanisms is two, and the two centrifugal driving friction mechanisms are respectively arranged on two sides of the speed limiting wheel.
The invention has the beneficial effects that: according to the invention, the skateboard body, the handrail, the gravity steering wheel and the centrifugal speed limiting mechanism are applied to the skateboard for children, the gravity steering wheel is used for steering by gravity, the stability of the skateboard for children playing with the skateboard can be improved by the handrail, and the resistance for skating can be increased when the skateboard is slid at a higher speed by the centrifugal speed limiting mechanism, so that the speed of the skateboard is controlled within a certain speed range, the safety of the children is improved, and meanwhile, the skateboard cannot be influenced by resistance in a reasonable speed range.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments taken in conjunction with the accompanying drawings in which like reference characters refer to like features throughout and in which:
FIG. 1 is a front view of a centrifugal speed-limiting child slide of the present invention;
FIG. 2 is a perspective view of a centrifugal speed limiting child slide of the present invention;
FIG. 3 is an exploded view of a centrifugal speed limiting child slide of the present invention;
FIG. 4 is an exploded schematic view of the centrifugal speed limiting mechanism;
FIG. 5 is a perspective view of a passive friction plate;
FIG. 6 is a perspective view of the centrifugal active friction mechanism;
FIG. 7 is an exploded schematic view of the centrifugal active friction mechanism;
fig. 8 is an exploded schematic view of the centrifugal telescopic mechanism.
In the figure: 1-skateboard body, 2-handrail, 21-outer extension pipe, 22-inner extension pipe, 23-handrail, 3-gravity steering wheel, 31-wheel carrier, 32-ground rolling wheel, 4-centrifugal speed limiting mechanism, 41-fixed seat, 42-rocker arm, 43-speed limiting wheel seat, 44-speed limiting wheel shaft, 45-centrifugal active friction mechanism, 451-centrifugal seat, 452-connecting plate, 453-centrifugal telescopic mechanism, 4531-adjustable centrifugal sleeve, 4532-telescopic shaft, 4533-friction ball, 4534-limiting plate, 4535-reset spring, 46-speed limiting wheel, 47-passive friction plate and 471-friction groove.
Detailed Description
Referring to fig. 1, 2 and 3, the centrifugal speed-limiting child skateboard of the invention comprises a skateboard body 1, a handrail 2, gravity steering wheels 3 and a centrifugal speed-limiting mechanism 4, wherein one end of the upper part of the skateboard body 1 is fixedly provided with the handrail 2 for holding, the stability of the child skateboard body is improved by holding the handrail 2 during the skateboard sliding process, the gravity steering wheels 3 are respectively arranged at two ends of the lower part of the skateboard body 1, the gravity steering wheels 3 are steered by gravity, when the skateboard body 1 is inclined by the gravity when the skateboard body needs to be steered, the purpose of steering can be achieved, the centrifugal speed-limiting mechanism 4 for limiting the speed of the skateboard body is arranged between the two gravity steering wheels 3 at the lower part of the skateboard body 1, the speed of the skateboard can be limited by the centrifugal speed-limiting mechanism 4, when the skateboard is too fast, the friction force between the centrifugal speed-limiting mechanism 4 and the ground is increased, the purpose of speed limiting can be achieved, the centrifugal speed limiting mechanism 4 comprises a fixed seat 41, a rocker arm 42, a speed limiting wheel seat 43, a speed limiting wheel shaft 44, a centrifugal active friction mechanism 45, a speed limiting wheel 46 and a passive friction plate 47, the fixed seat 41 is fixed on the lower part of the sliding plate body 1 through screws, one end of the rocker arm 42 is arranged on the fixed seat 41 through a pin shaft, the other end of the rocker arm is fixedly provided with the speed limiting wheel seat 43, the speed limiting wheel shaft 44 is arranged on the speed limiting wheel seat 43, the speed limiting wheel 46 and the centrifugal active friction mechanism 45 are fixedly arranged on the speed limiting wheel shaft 44, the number of the centrifugal active friction mechanisms 45 is at least 1, the lower part of the sliding plate body 1 is provided with the passive friction plate 47 which is matched with the centrifugal active friction mechanism 45 to increase sliding resistance of the sliding plate, a torsion spring for enabling the speed limiting wheel 46 to press, the speed limiting wheel 46 can rotate at a high speed, the speed limiting wheel 46 drives the speed limiting wheel shaft 44 to rotate, the centrifugal driving friction mechanism 45 is driven to rotate through the speed limiting wheel shaft 44, the friction between the centrifugal driving friction mechanism 45 and the driven friction plate 47 can be increased under the action of centrifugal force, and therefore the purpose of increasing the friction resistance between the speed limiting wheel 46 and the ground is achieved.
Referring to fig. 4-8, the handrail 2 includes an outer telescopic pipe 21, an inner telescopic pipe 22 and a handrail 23, the lower end of the outer telescopic pipe 21 is fixed on the skateboard body 1, the lower end of the inner telescopic pipe 22 is inserted into the outer telescopic pipe 21, the handrail 23 is transversely arranged at the upper end of the inner telescopic pipe 22, and in the sliding process of the skateboard, the height of the handrail 2 can be adjusted through the outer telescopic pipe 21 and the inner telescopic pipe 22, so that the handrail 23 is suitable for children with different heights. The gravity steering wheel 3 comprises a wheel frame 31 and ground rolling wheels 32, the ground rolling wheels 32 are respectively arranged on two sides of the wheel frame 31, a vertical shaft is arranged on the wheel frame 31, and the vertical shaft is inserted on the skateboard body 1. The centrifugal driving friction mechanism 45 comprises a centrifugal seat 451, a connecting plate 452 and a centrifugal telescopic mechanism 453, the centrifugal seat 451 is cylindrical, the centrifugal seat 451 is fixedly arranged on the speed-limiting wheel shaft 44 through the connecting plate 452, at least 3 threaded holes are formed in the periphery of the centrifugal seat 451, the centrifugal telescopic mechanism 453 is fixedly arranged on the threaded holes, the centrifugal telescopic mechanism 453 is in threaded connection with the centrifugal seat 451, the depth of the centrifugal telescopic mechanism 453 inserted into the centrifugal seat 451 can be adjusted, and the speed-limiting range can be adjusted. The centrifugal seat 451 is provided with 3 threaded holes around, the centrifugal telescopic mechanism 453 is fixed through the threaded holes, the more the number of the threaded holes is, the more the number of the centrifugal telescopic mechanism 453 is, and the larger the speed-limiting friction force is. The centrifugal telescopic mechanism 453 comprises an adjustable centrifugal sleeve 4531, a telescopic shaft 4532, a friction ball 4533, a limit plate 4534 and a return spring 4535, one end of the adjustable centrifugal sleeve 4531 is inserted on the centrifugal seat 451, the inner side of the other end is provided with a limit ring, one end of the telescopic shaft 4532 is inserted into the adjustable centrifugal sleeve 4531, the other end is provided with a friction ball 4533, a limit plate 4534 is arranged at one end of the telescopic shaft 4532 inserted into the adjustable centrifugal sleeve 4531, a return spring 4535 is arranged between the limit plate 4534 and the limit ring, when the sliding plate slides, the speed limiting wheel 46 drives the adjustable centrifugal sleeve 4531 to rotate, under the action of centrifugal force, the telescopic shaft 4532 compresses the spring to extend outwards, the rotating radius of the friction ball 4533 is increased, when the rotation radius of the friction ball 4533 is increased continuously, the friction force between the friction ball 4533 and the passive friction plate 47 is also increased, thereby achieving the purpose of speed limitation. The passive friction plate 47 is provided with a friction groove 471, the friction groove 471 is in an inverted V shape, and when the friction ball 4533 passes through the friction groove 471, the friction ball 4533 enters the friction groove 471, and the friction resistance between the friction ball 4533 and the friction groove 471 is larger. The friction groove 471 and the friction ball 4533 are respectively provided with a protrusion for increasing friction force. The outer telescopic pipe 21 is provided with a bolt seat, the bolt seat is provided with a positioning bolt, the positioning bolt penetrates through the outer telescopic pipe 21 to be propped against the inner telescopic pipe 22, and the outer telescopic pipe 21 and the inner telescopic pipe 22 can be fixedly connected through rotation of the positioning bolt. The number of the centrifugal active friction mechanisms 45 is two, the two centrifugal active friction mechanisms 45 are respectively arranged on two sides of the speed limiting wheel 46, the more the centrifugal active friction mechanisms 45 are, the larger the friction force in the speed limiting process is, the better the speed limiting effect is, but the weight of the sliding plate can be increased.
The working process of the invention is as follows:
the invention relates to a centrifugal speed-limiting children skateboard, in the working process, in the skateboard sliding process, under the action of the torsional spring, a speed limiting wheel 46 is tightly attached to the ground, the speed limiting wheel 46 is driven by the ground friction force to rotate, a speed limiting wheel shaft 44 is driven by the speed limiting wheel 46 to rotate, a centrifugal active friction mechanism 45 is driven by the speed limiting wheel shaft 44 to rotate, when the skateboard slides too fast, the speed limiting wheel 46 rotates at high speed, the speed limiting wheel shaft 44 is driven by the speed limiting wheel 46 to rotate, the centrifugal active friction mechanism 45 is driven by the speed limiting wheel shaft 44 to rotate, the friction between the centrifugal active friction mechanism 45 and a passive friction plate 47 is increased under the action of centrifugal force, an expansion shaft 4532 compresses a spring to extend outwards under the action of centrifugal force, the rotation radius of a friction ball 4533 is increased, and when the rotation radius of the friction ball 4533 is continuously increased, the friction force between the friction ball 4533 and the passive friction plate 47 is also increased, thereby achieving the purpose of limiting speed.
According to the centrifugal speed-limiting child skateboard, the skateboard body 1, the handrail 2, the gravity steering wheel 3 and the centrifugal speed-limiting mechanism 4 are applied to the child skateboard, the gravity steering wheel 3 steers gravity, the stability of the child playing with the skateboard can be improved through the handrail 2, and the centrifugal speed-limiting mechanism 4 can increase the gliding resistance when the skateboard glides at a higher speed, so that the skateboard speed is controlled within a certain speed range, the safety of the child is improved, and meanwhile, the skateboard cannot be influenced by resistance in a reasonable speed range.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (10)
1. A centrifugal speed limit children's slide which characterized in that: the speed limiting device comprises a sliding plate body (1), a handrail (2), gravity steering wheels (3) and a centrifugal speed limiting mechanism (4), wherein one end of the upper part of the sliding plate body (1) is fixedly provided with the handrail (2) used for being held by hands, the two ends of the lower part of the sliding plate body (1) are respectively provided with the gravity steering wheels (3), the centrifugal speed limiting mechanism (4) used for limiting the speed of a sliding plate is arranged between the two gravity steering wheels (3) on the lower part of the sliding plate body (1), the centrifugal speed limiting mechanism (4) comprises a fixed seat (41), a rocker arm (42), a speed limiting wheel seat (43), a speed limiting wheel shaft (44), a centrifugal driving friction mechanism (45), a speed limiting wheel (46) and a driven friction plate (47), the fixed seat (41) is fixed on the lower part of the sliding plate body (1) through screws, one end of the rocker arm (42) is arranged on the, the speed limiting wheel seat (43) is provided with a speed limiting wheel shaft (44), the speed limiting wheel shaft (44) is fixedly provided with a speed limiting wheel (46) and centrifugal active friction mechanisms (45), the number of the centrifugal active friction mechanisms (45) is at least 1, the lower part of the sliding plate body (1) is provided with a passive friction plate (47) which is matched with the centrifugal active friction mechanisms (45) to increase sliding resistance of the sliding plate, and a torsion spring which is used for enabling the speed limiting wheel (46) to tightly press the ground is arranged between the rocker arm (42) and the fixed seat (41).
2. A centrifugal rate-limiting child's skateboard as in claim 1, wherein: the handrail (2) comprises an outer telescopic pipe (21), an inner telescopic pipe (22) and a hand handle (23), the lower end of the outer telescopic pipe (21) is fixed on the skateboard body (1), the lower end of the inner telescopic pipe (22) is inserted into the outer telescopic pipe (21), and the hand handle (23) is transversely arranged at the upper end of the inner telescopic pipe (22).
3. A centrifugal rate-limiting child's skateboard as in claim 1, wherein: the gravity steering wheel (3) comprises a wheel carrier (31) and ground rolling wheels (32), the ground rolling wheels (32) are arranged on two sides of the wheel carrier (31) respectively, a vertical shaft is arranged on the wheel carrier (31), and the vertical shaft is inserted on the skateboard body (1).
4. A centrifugal rate-limiting child's skateboard as in claim 1, wherein: the centrifugal active friction mechanism (45) comprises a centrifugal seat (451), a connecting plate (452) and a centrifugal telescopic mechanism (453), wherein the centrifugal seat (451) is cylindrical, the centrifugal seat (451) is fixedly arranged on a speed-limiting wheel shaft (44) through the connecting plate (452), at least 3 threaded holes are formed in the periphery of the centrifugal seat (451), and the centrifugal telescopic mechanism (453) is fixedly arranged on the threaded holes.
5. A centrifugal rate-limiting child's skateboard as in claim 4, wherein: 3 threaded holes are formed in the periphery of the centrifugal seat (451).
6. A centrifugal rate-limiting child's skateboard as in claim 4, wherein: centrifugal telescopic machanism (453) are including adjustable centrifugal cover (4531), telescopic shaft (4532), friction ball (4533), limiting plate (4534) and reset spring (4535), adjustable centrifugal cover (4531) one end is inserted on centrifugal seat (451), and the other end inboard is provided with the spacing ring, telescopic shaft (4532) one end is inserted in adjustable centrifugal cover (4531), and the other end is provided with friction ball (4533), the one end that telescopic shaft (4532) inserted in adjustable centrifugal cover (4531) is provided with limiting plate (4534), be provided with reset spring (4535) between limiting plate (4534) and the spacing ring.
7. A centrifugal speed-limiting child's skateboard as in claim 6, wherein: and a friction groove (471) is formed in the passive friction plate (47), and the friction groove (471) is in an inverted V shape.
8. A centrifugal speed-limiting child's skateboard as in claim 7, wherein: the friction groove (471) and the friction ball (4533) are respectively provided with a bulge for increasing friction force.
9. A centrifugal speed-limiting child's skateboard as in claim 5, wherein: the outer telescopic pipe (21) is provided with a bolt seat, the bolt seat is provided with a positioning bolt, and the positioning bolt penetrates through the outer telescopic pipe (21) and props against the inner telescopic pipe (22).
10. A centrifugal rate-limiting child's skateboard as in claim 1, wherein: the number of the centrifugal driving friction mechanisms (45) is two, and the two centrifugal driving friction mechanisms (45) are respectively arranged on two sides of the speed limiting wheel (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244211.1A CN112339895A (en) | 2020-11-10 | 2020-11-10 | Centrifugal speed-limiting child skateboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244211.1A CN112339895A (en) | 2020-11-10 | 2020-11-10 | Centrifugal speed-limiting child skateboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112339895A true CN112339895A (en) | 2021-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011244211.1A Withdrawn CN112339895A (en) | 2020-11-10 | 2020-11-10 | Centrifugal speed-limiting child skateboard |
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| Country | Link |
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| CN (1) | CN112339895A (en) |
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| CN103950388A (en) * | 2014-04-24 | 2014-07-30 | 湖南工业大学 | Speed limiting device of household electric bicycle |
| CN104085487A (en) * | 2014-05-30 | 2014-10-08 | 长兴俊达塑胶玩具有限公司 | Electric children's bicycle capable of automatic speed limiting |
| CN105460129A (en) * | 2015-12-28 | 2016-04-06 | 宁波迪亚家用电器有限公司 | Bouncing scooter |
| CN206240033U (en) * | 2016-12-09 | 2017-06-13 | 胡耀起 | Electric return board |
| CN207173832U (en) * | 2017-07-27 | 2018-04-03 | 陕西科技大学 | A kind of multifunctional children scooter |
| CN207711817U (en) * | 2018-01-09 | 2018-08-10 | 安徽中伟车业有限公司 | A kind of electric vehicle speed-limiting device |
| CN207755750U (en) * | 2017-12-25 | 2018-08-24 | 咸阳师范学院 | A kind of children's slide plate |
| CN108891474A (en) * | 2018-06-25 | 2018-11-27 | 杨秀龙 | A kind of baby safe apparatus based on centrifugal force |
| CN109131662A (en) * | 2018-09-04 | 2019-01-04 | 惠州市万顺桔企业管理服务有限公司 | A kind of folding dual-purpose scooter |
| CN110550130A (en) * | 2019-09-26 | 2019-12-10 | 珠海市一微半导体有限公司 | Robot toy car |
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2020
- 2020-11-10 CN CN202011244211.1A patent/CN112339895A/en not_active Withdrawn
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|---|---|---|---|---|
| JP2006001384A (en) * | 2004-06-16 | 2006-01-05 | Sony Corp | Unstable running gear |
| KR200459090Y1 (en) * | 2011-09-26 | 2012-03-19 | 라귀복 | Tricycle for kids |
| CN203199112U (en) * | 2013-03-13 | 2013-09-18 | 陈开明 | Wheel-variable type bicycle |
| CN203567876U (en) * | 2013-11-19 | 2014-04-30 | 金华市普瑞尔车业有限公司 | Multipurpose pull rod scooter |
| CN103950388A (en) * | 2014-04-24 | 2014-07-30 | 湖南工业大学 | Speed limiting device of household electric bicycle |
| CN104085487A (en) * | 2014-05-30 | 2014-10-08 | 长兴俊达塑胶玩具有限公司 | Electric children's bicycle capable of automatic speed limiting |
| CN105460129A (en) * | 2015-12-28 | 2016-04-06 | 宁波迪亚家用电器有限公司 | Bouncing scooter |
| CN206240033U (en) * | 2016-12-09 | 2017-06-13 | 胡耀起 | Electric return board |
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Application publication date: 20210209 |