CN111874147A - Foldable children's scooter that reliability is high - Google Patents
Foldable children's scooter that reliability is high Download PDFInfo
- Publication number
- CN111874147A CN111874147A CN202010767072.4A CN202010767072A CN111874147A CN 111874147 A CN111874147 A CN 111874147A CN 202010767072 A CN202010767072 A CN 202010767072A CN 111874147 A CN111874147 A CN 111874147A
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- CN
- China
- Prior art keywords
- scooter
- hydraulic oil
- inner shell
- rear wheel
- pedal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B62K15/00—Collapsible or foldable cycles
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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
- B62K21/00—Steering devices
- B62K21/12—Handlebars; Handlebar stems
- B62K21/16—Handlebars; Handlebar stems having adjustable parts therein
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/02—Brakes; Arrangements thereof in which cycle wheels are engaged by brake elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/04—Brake-actuating mechanisms; Arrangements thereof for control by a foot lever
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M5/00—Foot-driven levers as pedal cranks which can be immobilised as foot-rests
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/10—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes
- F16D51/14—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as exclusively radially-movable brake-shoes fluid actuated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
- F16D65/09—Pivots or supporting members therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention discloses a folding type child scooter with high reliability.A brake is arranged, when a pressing block on a scooter pedal is not pressed downwards, a rotating shaft of a rear wheel of the scooter can be braked through the brake, so that the scooter is prevented from sliding automatically to cause potential safety hazards; when the scooter is used, one foot is used for stepping on the pedal and pressing the pressing block, the other foot is used for stepping backwards and extending to provide driving force for the scooter, and after the pressing block is pressed downwards, the brake of the brake on the rotating shaft of the rear wheel of the scooter can be released through the internal hydraulic oil system, so that the rotating shaft of the rear wheel of the scooter can rotate freely; and when the speed of a motor vehicle was too fast, the user can put both feet on the footboard, then lifts one foot of holding down the briquetting, makes the briquetting upwards reset, drives inside hydraulic oil system reverse flow simultaneously, makes the stopper slow down to the friction sleeve of pairing rotation.
Description
Technical Field
The invention relates to the technical field of scooters, in particular to a folding type child scooter with high reliability.
Background
Children's scooter is very common toy, is applicable to 4-12 years old children, and it needs one foot to stand on the footboard, and another foot is kicked the ground backward and is driven the scooter forward motion, and its structure is also fairly simple, includes usually: footboard, front wheel, rear wheel, hand (hold) etc. present scooter still has certain potential safety hazard, if on the slope road surface, the scooter may oneself slide because of not having the braking structure, and children may take place danger at the in-process of chasing after, perhaps some scooter that has the braking structure still need manually open arresting gear before sliding at every turn, and it is inconvenient enough to operate.
In order to solve the problems, a folding type child scooter with high reliability is provided.
Disclosure of Invention
The invention aims to provide a folding type child scooter with high reliability, which can prevent the scooter from sliding by itself.
In order to achieve the purpose, the invention provides the following technical scheme: a folding type child scooter with high reliability comprises a pedal, a rear wheel rotationally connected to the rear end of the pedal, a folding handlebar rotationally connected to the front end of the pedal through a bearing, and a front wheel rotationally connected to the lower portion of the folding handlebar, wherein two supporting plates are fixed to two sides of the rear end of the pedal in parallel, the rear wheel is arranged between the two supporting plates, rotating shafts on two sides of the rear wheel are rotationally connected to the supporting plates on two sides through bearings, a brake is fixed to the outer side wall of one of the supporting plates, and the rotating shaft of the rear wheel on the side penetrates into the brake;
the brake comprises an outer shell and an inner shell, the inner shell is fixed on one side, far away from the supporting plate, of the inner part of the outer shell, the end part of a rear wheel rotating shaft penetrating into the brake is coaxially recessed to form a cylindrical friction sleeve, the friction sleeve covers the outer part of the inner shell and is coaxially arranged with the inner shell, two sliding rods symmetrically penetrate out of the inner shell along the radial direction of the inner shell, the sliding rods are in sliding contact with the side wall of the inner shell, a friction head is fixed at the end part of each sliding rod, and when the sliding rods are ejected outwards, the friction heads are tightly pressed against the inner wall of the friction sleeve to brake the rear wheel rotating shaft;
the outer shell and the inner shell are provided with a first hydraulic oil duct, the first hydraulic oil duct comprises a U-shaped double-end oil duct arranged in the inner shell, straight-tube-shaped slideways communicated with two ends of the U-shaped double-end oil duct, and first oil holes extending from the U-shaped double-end oil duct in the inner shell to the outer side wall of the outer shell, two sliding blocks fixedly connected with two sliding rods are arranged in the straight-tube-shaped slideways in a sliding mode, the two sliding blocks and the straight-tube-shaped slideways form an extrusion cavity, a first air hole is formed in the side wall of the inner shell corresponding to the extrusion cavity, when hydraulic oil is injected into the U-shaped double-end oil duct from an oil inlet hole, the two sliding blocks are pushed by the hydraulic oil to slide in the straight-tube-shaped slideways close to each other;
a second hydraulic oil channel is formed in the pedal, the second hydraulic oil channel comprises a vertically arranged columnar oil channel and a second oil hole communicated to the side wall of the pedal from the bottom of the columnar oil channel, a push plate matched with the section of the columnar oil channel is arranged in the columnar oil channel in a sliding mode, a columnar press block is fixed at the upper end of the push plate, the press block vertically slides upwards to penetrate through the upper end face of the pedal, and a first spring is arranged between the lower end face of the push plate and the bottom wall of the columnar oil channel;
the first oil hole and the second oil hole are communicated through an oil pipe, and the oil pipe is fixed on the outer side wall of the pedal.
Preferably, a second spring is arranged between the two sliding blocks inside the straight tubular slideway.
Preferably, the outer side wall of the outer shell is provided with a second air hole.
Preferably, the pressing block is arranged on the rear side of the upper end face of the pedal.
A use method of the scooter comprises the following steps:
a: when the scooter is not used, a foldable handlebar of the scooter is folded and is folded, the pressing block is not extruded downwards at the moment, hydraulic oil in the first hydraulic oil duct cannot be pushed to flow into the second hydraulic oil duct through the oil pipe, the sliding rod is ejected outwards at the moment, so that the friction head is tightly pressed against the inner wall of the friction sleeve, and the rotating shaft of the rear wheel is braked;
b: when the foldable handle bar is used, the foldable handle bar of the scooter is unfolded and then fixed, a user holds the handle bar with two hands, one foot steps on the pedal and presses the pressing block, the other foot pedals backwards to provide driving force for the scooter, the pressing block can drive the pushing plate to push hydraulic oil in the first hydraulic oil duct to flow into the second hydraulic oil duct through the oil pipe after being pressed down, so that the two sliding blocks are pushed by the hydraulic oil to slide in the straight-tube-shaped slideway in a mutually close mode, the two sliding rods are driven to slide inwards into the inner shell, the friction head is separated from contact with the friction sleeve, and at the moment, the rear wheel rotating shaft can be separated from braking and freely rotate;
c: when the speed of a motor vehicle is too fast, the user puts both feet on the footboard, steps on one foot of briquetting and upwards lifts up, and the briquetting resets upwards under the top of first spring this moment, and the hydraulic oil that extracts in the second hydraulic duct through oil pipe simultaneously flows to first hydraulic duct, and the slider in the interior casing can drive the slide bar outwards ejecting this moment, makes the friction head of slide bar tip and the inner wall top of friction cover tight, reduces the rotational speed of back wheel pivot through the friction between friction head and the friction cover.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, by arranging the brake, when the pressing block on the scooter pedal is not pressed downwards, the brake can brake the rotating shaft of the rear wheel of the scooter, so that the scooter is prevented from sliding automatically to cause potential safety hazards; when the scooter is used, one foot is used for stepping on the pedal and pressing the pressing block, the other foot is used for stepping backwards and extending to provide driving force for the scooter, and after the pressing block is pressed downwards, the brake of the brake on the rotating shaft of the rear wheel of the scooter can be released through the internal hydraulic oil system, so that the rotating shaft of the rear wheel of the scooter can rotate freely; and when the speed of a motor vehicle was too fast, the user can put both feet on the footboard, then lifts one foot of holding down the briquetting, makes the briquetting upwards reset, drives inside hydraulic oil system reverse flow simultaneously, makes the stopper slow down to the friction sleeve of pairing rotation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of B in FIG. 1;
FIG. 3 is a cross-sectional view of the pedal of the present invention at a second hydraulic passage;
FIG. 4 is a cross-sectional view of the brake of the present invention in connection with the axle of the rear wheel;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic view of the slide rod of FIG. 4 shown retracted into the inner housing;
in the figure: 1-pedal, 2-rear wheel, 201-rear wheel rotating shaft, 202-friction sleeve, 3-foldable handlebar, 4-front wheel, 5-support plate, 6-outer shell, 7-press block, 8-oil pipe, 9-push plate, 10-first spring, 11-cylindrical oil passage, 12-second oil hole, 13-inner shell, 14-U type double-end oil passage, 15-first oil hole, 16-straight-tube slideway, 17-slide bar, 18-friction head, 19-slide block, 20-second spring, 21-second air hole and 22-first air hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a folding type child scooter with high reliability comprises a pedal 1, a rear wheel 2 rotatably connected to the rear end of the pedal 1, a foldable handlebar 3 rotatably connected to the front end of the pedal 1 through a bearing, and a front wheel 4 rotatably connected to the lower portion of the foldable handlebar 3, wherein two supporting plates 5 are fixed to two sides of the rear end of the pedal 1 in parallel, the rear wheel 2 is arranged between the two supporting plates 5, rotating shafts on two sides of the rear wheel are rotatably connected to the supporting plates 5 on two sides through bearings, a brake is fixed to the outer side wall of one of the supporting plates 5, and the rotating shaft of the rear wheel 2 on the side penetrates into the brake;
the brake comprises an outer shell 6 and an inner shell 13, wherein the inner shell 13 is fixed on one side, far away from a supporting plate 5, in the outer shell 6, the end part of a rear wheel rotating shaft 201 penetrating into the brake is coaxially recessed to form a cylindrical friction sleeve 202, the friction sleeve 202 covers the outer part of the inner shell 13 and is coaxially arranged with the inner shell 13, two sliding rods 17 symmetrically penetrate out of the inner shell 13 along the radial direction of the inner shell 13 outwards, the sliding rods 17 are in sliding contact with the side wall of the inner shell 13, a friction head 18 is fixed at the end part of each sliding rod 17, and when the sliding rods 17 are ejected outwards, the friction heads 18 are tightly pressed against the inner wall of the friction sleeve 202 to brake the rear wheel rotating shaft 201;
the outer shell 6 and the inner shell 13 are provided with a first hydraulic oil duct, the first hydraulic oil duct comprises a U-shaped double-end oil duct 14 arranged inside the inner shell 13, straight tubular slideways 16 communicated with two ends of the U-shaped double-end oil duct 14, and a first oil hole 15 extending from the U-shaped double-end oil duct 14 inside the inner shell 13 to the outer side wall of the outer shell 6, two sliders 19 fixedly connected with two slide bars 17 are arranged in the straight tubular slideways 16 in a sliding manner, an extrusion cavity is enclosed by the two sliders 19 and the straight tubular slideways 16, a first air hole 22 is arranged on the side wall of the inner shell 13 corresponding to the extrusion cavity, when hydraulic oil is injected into the U-shaped double-end oil duct 14 from an oil inlet, the two sliders 19 are pushed by the hydraulic oil to slide in the straight tubular slideways 16 to be close to each other, the two slide bars 17 are driven to slide inwards into the inner shell 13, and;
a second hydraulic oil channel is arranged in the pedal 1, the second hydraulic oil channel comprises a vertically arranged cylindrical oil channel 11 and a second oil hole 12 communicated from the bottom of the cylindrical oil channel 11 to the side wall of the pedal 1, a push plate 9 matched with the cross section of the cylindrical oil channel 11 is arranged in the cylindrical oil channel 11 in a sliding manner, a cylindrical press block 7 is fixed at the upper end of the push plate 9, the press block 7 vertically slides upwards to penetrate through the upper end face of the pedal 1, and a first spring 10 is arranged between the lower end face of the push plate 9 and the bottom wall of the cylindrical oil channel 11;
the first oil hole 15 and the second oil hole 12 are communicated through an oil pipe 8, and the oil pipe 8 is fixed on the outer side wall of the pedal 1.
A second spring 20 is arranged between the two sliding blocks 19 inside the straight tube-shaped slideway 16, so that the sliding blocks 19 can be conveniently pushed out of the inner shell 13.
The second air hole 21 is formed in the outer side wall of the outer shell 6, so that air in the outer shell 6 can flow with the outside conveniently, and meanwhile, the heat dissipation effect can be improved.
In order to facilitate the user to step on the pressing block 7 or lift the foot of stepping on the pressing block 7, the pressing block 7 is arranged on the rear side of the upper end face of the pedal 1, the user only needs to step on the pressing block 7 by using the heel, the user only needs to stand on the tiptoe of the foot when lifting, and the use is more convenient.
A use method of the scooter comprises the following steps:
a: when the scooter is not used, the foldable handlebar 3 of the scooter is folded and is folded, the press block 7 is not extruded downwards at the moment, hydraulic oil in the first hydraulic oil duct cannot be pushed to flow into the second hydraulic oil duct through the oil pipe 8, and the slide bar 17 is ejected outwards at the moment, so that the friction head 18 is tightly pressed against the inner wall of the friction sleeve 202, and the rear wheel rotating shaft 201 is braked;
b: when the foldable handle bar 3 of the scooter is unfolded and then fixed, a user holds the handle bar with two hands, steps on the pedal 1 with one foot and presses the pressing block 7, and steps back and extends the other foot to provide driving force for the scooter, after the pressing block 7 is pressed down, the pressing plate 9 can be driven to push the hydraulic oil in the first hydraulic oil channel to flow into the second hydraulic oil channel through the oil pipe 8, so that the two sliding blocks 19 are pushed by the hydraulic oil to slide in the straight pipe-shaped slideway 16 to mutually approach, the two sliding rods 17 are driven to slide inwards into the inner shell 13, the friction head 18 is separated from the contact with the friction sleeve 202, and at the moment, the rear wheel rotating shaft 201 can be separated from braking and freely rotate;
c: when the vehicle speed is too fast, a user puts two feet on the pedal 1, presses one foot of the press block 7 to lift upwards, at the moment, the press block 7 resets upwards under the jacking action of the first spring 10, simultaneously, hydraulic oil in the second hydraulic oil duct is extracted through the oil pipe 8 to flow to the first hydraulic oil duct, the slide block 19 in the inner shell 13 can drive the slide rod 17 to eject outwards, so that the friction head 18 at the end part of the slide rod 17 is tightly jacked with the inner wall of the friction sleeve 202, and the rotating speed of the rear wheel rotating shaft 201 is reduced through the friction between the friction head 18 and the friction sleeve 202.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a foldable children's scooter that reliability is high, includes footboard (1), rotates rear wheel (2) of connection in footboard (1) rear end, rotates through the bearing and connects at collapsible handlebar (3) of footboard (1) front end, rotates and connects preceding wheel (4) in collapsible handlebar (3) lower part, its characterized in that: two supporting plates (5) are fixed on two sides of the rear end of the pedal (1) in parallel, a rear wheel (2) is arranged between the two supporting plates (5), rotating shafts on two sides of the rear wheel are rotatably connected to the supporting plates (5) on two sides through bearings, a brake is fixed on the outer side wall of one supporting plate (5), and the rotating shaft of the rear wheel (2) on the side penetrates into the brake;
the brake comprises an outer shell (6) and an inner shell (13), wherein the inner shell (13) is fixed on one side, far away from a support plate (5), of the inner part of the outer shell (6), the end part of a rear wheel rotating shaft (201) penetrating into the brake is coaxially recessed to form a cylindrical friction sleeve (202), the friction sleeve (202) covers the outer part of the inner shell (13) and is coaxially arranged with the inner shell (13), two sliding rods (17) symmetrically penetrate outwards along the radial direction of the inner shell (13), the sliding rods (17) are in sliding contact with the side wall of the inner shell (13), a friction head (18) is fixed at the end part of each sliding rod (17), and when the sliding rods (17) are outwards ejected, the friction heads (18) are tightly ejected against the inner wall of the friction sleeve (202) to brake the rear wheel rotating shaft (201);
the outer shell (6) and the inner shell (13) are provided with a first hydraulic oil duct, the first hydraulic oil duct comprises a U-shaped double-end oil duct (14) arranged in the inner shell (13), straight tubular slideways (16) communicated with two ends of the U-shaped double-end oil duct (14), and first oil holes (15) extending from the U-shaped double-end oil duct (14) in the inner shell (13) to the outer side wall of the outer shell (6), two sliding blocks (19) fixedly connected with two sliding rods (17) are arranged in the straight tubular slideways (16) in a sliding manner, an extrusion cavity is defined by the two sliding blocks (19) and the straight tubular slideways (16), a first air hole (22) is arranged on the side wall of the inner shell (13) corresponding to the extrusion cavity, when hydraulic oil is injected into the U-shaped double-end oil duct (14) from the oil inlet hole, the two sliding blocks (19) are jacked in the straight tubular slideways (16) to, the two sliding rods (17) are driven to slide inwards into the inner shell (13) so that the friction head (18) is separated from the contact with the friction sleeve (202);
a second hydraulic oil channel is formed in the pedal (1), the second hydraulic oil channel comprises a vertically arranged cylindrical oil channel (11) and a second oil hole (12) communicated from the bottom of the cylindrical oil channel (11) to the side wall of the pedal (1), a push plate (9) matched with the cross section of the cylindrical oil channel is arranged in the cylindrical oil channel (11) in a sliding mode, a cylindrical press block (7) is fixed to the upper end of the push plate (9), the press block (7) vertically slides upwards to penetrate through the upper end face of the pedal (1), and a first spring (10) is arranged between the lower end face of the push plate (9) and the bottom wall of the cylindrical oil channel (11);
the first oil hole (15) is communicated with the second oil hole (12) through an oil pipe (8), and the oil pipe (8) is fixed on the outer side wall of the pedal (1).
2. The folding scooter with high reliability as claimed in claim 1, wherein: a second spring (20) is arranged between the two sliding blocks (19) in the straight tubular slideway (16).
3. The folding scooter with high reliability as claimed in claim 1, wherein: and a second air hole (21) is formed in the outer side wall of the outer shell (6).
4. The folding scooter with high reliability as claimed in claim 1, wherein: the pressing block (7) is arranged on the rear side of the upper end face of the pedal (1).
5. A method for using a scooter, the reliable foldable child scooter according to any one of claims 1-4, comprising:
a: when the scooter is not used, a foldable handlebar (3) of the scooter is folded and is folded, the pressing block (7) is not pressed downwards at the moment, hydraulic oil in the first hydraulic oil duct cannot be pushed to flow into the second hydraulic oil duct through the oil pipe (8), and the sliding rod (17) is ejected outwards to enable the friction head (18) to be tightly ejected with the inner wall of the friction sleeve (202) so as to brake a rear wheel rotating shaft (201);
b: when the scooter is used, the foldable handlebar (3) of the scooter is unfolded and then fixed, a user holds the handlebar with two hands, one foot is stepped on the pedal (1) and presses the pressing block (7), the other foot is stepped backwards to provide driving force for the scooter, after the pressing block (7) is pressed down, the pushing plate (9) can be driven to push the hydraulic oil in the first hydraulic oil channel to flow into the second hydraulic oil channel through the oil pipe (8), the two sliding blocks (19) are pushed by the hydraulic oil to slide in the straight tubular slideway (16) in a mutually closed mode, the two sliding rods (17) are driven to slide inwards into the inner shell (13), the friction head (18) is separated from contact with the friction sleeve (202), and the rear wheel rotating shaft (201) can be separated from braking and can rotate freely;
c: when the vehicle speed is too fast, a user puts two feet on the pedal (1), one foot of the pressing block (7) is stepped on to lift upwards, the pressing block (7) is pushed by the first spring (10) to reset upwards, meanwhile, hydraulic oil in the second hydraulic oil duct is extracted through the oil pipe (8) to flow to the first hydraulic oil duct, the sliding block (19) in the inner shell (13) can drive the sliding rod (17) to push outwards, the friction head (18) at the end part of the sliding rod (17) is tightly pushed against the inner wall of the friction sleeve (202), and the rotating speed of the rear wheel rotating shaft (201) is reduced through friction between the friction head (18) and the friction sleeve (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767072.4A CN111874147A (en) | 2020-08-03 | 2020-08-03 | Foldable children's scooter that reliability is high |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010767072.4A CN111874147A (en) | 2020-08-03 | 2020-08-03 | Foldable children's scooter that reliability is high |
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| Publication Number | Publication Date |
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| CN111874147A true CN111874147A (en) | 2020-11-03 |
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| CN202010767072.4A Pending CN111874147A (en) | 2020-08-03 | 2020-08-03 | Foldable children's scooter that reliability is high |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339896A (en) * | 2020-11-10 | 2021-02-09 | 王悦 | High-speed resistance-increasing child scooter controlled by air flux |
| CN113685463A (en) * | 2021-08-27 | 2021-11-23 | 张丽 | Rotating shaft locking mechanism for mechanical design |
| CN114452639A (en) * | 2021-12-14 | 2022-05-10 | 林海洋 | High stability roller skate |
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| TW427179U (en) * | 2000-02-19 | 2001-03-21 | Yu Wen Liang | Structure of brake for skateboard |
| CN201808638U (en) * | 2010-07-20 | 2011-04-27 | 陈旺川 | Scooter provided with brake device |
| US20160347402A1 (en) * | 2012-01-20 | 2016-12-01 | Razor Usa Llc | Braking device for a personal mobility vehicle |
| CN103375513A (en) * | 2012-04-18 | 2013-10-30 | 黄小弟 | Disk brake assembly, brake rotor and manufacturing method thereof |
| CN108730371A (en) * | 2018-08-07 | 2018-11-02 | 南京布雷尔汽车配件有限公司 | A kind of Double-hydraulic driving drum brake |
| CN210681016U (en) * | 2019-08-06 | 2020-06-05 | 深圳市四驾马车科技实业有限公司 | Folding type child scooter |
| CN210258728U (en) * | 2019-08-07 | 2020-04-07 | 浙江沪龙工贸有限公司 | Pedal braking scooter |
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| CN112339896A (en) * | 2020-11-10 | 2021-02-09 | 王悦 | High-speed resistance-increasing child scooter controlled by air flux |
| CN112339896B (en) * | 2020-11-10 | 2022-03-01 | 王悦 | High-speed resistance-increasing child scooter controlled by air flux |
| CN113685463A (en) * | 2021-08-27 | 2021-11-23 | 张丽 | Rotating shaft locking mechanism for mechanical design |
| CN114452639A (en) * | 2021-12-14 | 2022-05-10 | 林海洋 | High stability roller skate |
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