CN209008799U

CN209008799U - A kind of roller board

Info

Publication number: CN209008799U
Application number: CN201821055679.4U
Authority: CN
Inventors: 李静
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-04
Filing date: 2018-07-04
Publication date: 2019-06-21
Anticipated expiration: 2028-07-04

Abstract

The utility model discloses a kind of roller boards, including pedal, the handle of the support rod being located on pedal and the top for being fixed on support rod, the both ends bottom of the pedal is respectively equipped with front wheels and rear wheels, it is characterized by: the support rod can be along its axial stretching equipped with lock section, one end on the pedal close to the front-wheel is provided with fixing seat, the fixing seat locks or unlocks disengaging for support rod insertion, buffer unit is additionally provided between the fixing seat and the front-wheel, buffer unit reduces vibration, improve the comfort level and safety when scooter operation, the locking device that the design of the junction of support rod and fixing seat can be controlled by button, facilitate the disassembly and installation of support rod, in the bottom of pedal, setting can accommodate the groove of support rod and convenient for fixed slot, the occupancy for saving scooter is empty Between, it is convenient to carry and store when not in use.

Description

A kind of roller board

Technical field

The utility model relates to a kind of roller boards.

Background technique

Scooter is as a kind of easy to get started manipulation, the sports apparatus of riding instead of walk being convenient for carrying, save trouble and labor, the deep happiness by people Love.In teenager and children population, scooter is also used as the toy of a kind of exercise and raising balance ability.Behaviour Author needs with the hands to grip the handle being arranged on scooter, so as to control cunning during using scooter The direction of motion of wooden handcart.Scooter generally comprises pedal equipped with idler wheel, connects the support rod of pedal and be mounted on support rod top The handle at end, structure are simple.Since handle needs to cooperate with the height of people's both hands, support rod is generally vertically fixed on pedal On, it carries scooter more difficult, carries scooter for convenience, existing design generally uses support rod and pedal Hingedly, and hinged place is equipped with locking device, but hinge be easy to cause after long-time shakes abrasion and loosened, and it is hidden to generate safety Suffer from.

For the idler wheel of scooter generally with pedal Hard link, the vibration generated when moving on rugged road surface can be direct User is driven to, the usage experience for not only resulting in scooter is poor, and frequently vibration will lead to structural attachments loosening Or abrasion, generate security risk.

Utility model content

That the technical problem to be solved by the utility model is to provide a kind of operations is comfortable, is convenient for carrying and safe and reliable new Type scooter.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of roller board, including pedal, The handle of the support rod that is located on pedal and the top for being fixed on support rod, the both ends bottom of the pedal be respectively equipped with front-wheel and Rear-wheel, it is characterised in that: one end on the pedal close to the front-wheel is provided with fixing seat, and the fixing seat supplies the support Bar insertion, and the fixing seat is equipped with the locking structure that can lock or unlock the support rod, the fixing seat and institute It states and is additionally provided with buffer unit between front-wheel, the support rod includes the inner and outer tubes that can mutually stretch, and makes the support Bar can be along its axial stretching.

Preferably, the buffer unit includes bottom plate, movable part and elastic component, and the movable part is connected with the fixing seat Connect, between the first end of the movable part and the bottom plate first end be equipped with the first hinged shaft, the both ends of the elastic component respectively with The second end of the movable part is connected with the second end of the bottom plate, the bottom plate, movable part and elastic component and the front-wheel It is axially vertical.

Preferably, the front-wheel is equipped with wheel shaft, and the wheel shaft is mutually fixedly connected with the bottom plate, first hinged shaft and The wheel shaft is parallel, and the elastic component is set to the top of the bottom plate, the first end side surface of the movable part with it is described solid Reservation is hinged by the second hinged shaft, and second hinged shaft and first hinged shaft are perpendicular, and the buffer unit can be around second Hinged shaft swings relative to fixing seat, and the elastic component includes spring and the cushion collar for being set in spring outwards.

Preferably, the lock section for locking or unlocking said inner tube and outer tube is additionally provided on the support rod, the lock section includes The outer housing for being set in the flexible button on the outside of outer tube and being set on the outside of the flexible button, the side of the flexible button with It is equipped with return springs between the side of outer tube, is fixed with a positioning block on the other side of the flexible button, the outer tube Other side side wall is equipped with the outer location hole matched with the locating piece, and the side wall of said inner tube is equipped with to match with locating piece The interior location hole closed, the flexible button enable the locating piece along the radial motion of the outer tube in the outer housing It is inserted into the interior location hole and outer location hole or is stretched out from the interior location hole, the return springs make the locating piece With the trend for being inserted into the outer location hole and interior location hole always, the side of the flexible button is exposed to the outer housing.

Preferably, it is equipped in the outer housing and provides the conduit of radial motion guiding, the interior location hole for the button that stretches Axial direction distribution along said inner tube is multiple, and the flexible button includes the front panel and rear panel being connected, on the outer housing Equipped with the notch exposed for the front panel, against on the front panel, the other end is supported for one end of the elastic component elastic component It is against the outer tube, the rear panel is resisted against on the outer tube.

Preferably, the front panel is equipped with the convex block towards outer tube direction protrusion, and the return springs are set in convex On block, the locating piece is fixed on the side on rear panel far from the front panel, be additionally provided on the outside of the rear panel with it is described The side convex block that conduit cooperates and is inserted into the conduit, the return springs are spring, and the locating piece is cylinder Pin.

Preferably, the locking structure includes the locking press button for running through fixing seat side wall in the fixing seat, described The first elastic component is equipped on the inside of locking press button, first elastic component has the locking press button always far from outer tube side Trend, be equipped with the second elastic component in the outer tube, the end of second elastic component through the outer tube side wall and insert Enter the fixing seat, so that the outer tube and fixing seat are connected with each other, the outboard end and the locking of second elastic component Button offsets, and the end of second elastic component retracts on the inside of the outer tube under the driving of the locking press button, so that described Outer tube can be mutually disengaged with fixing seat.

Preferably, the locking press button includes two and is respectively arranged on the two sides of the outer tube, first elastic component and Second elastic component is V-type spring, and the both ends of first elastic component are born against on two locking press buttons, and described One elastic component between outer tube and fixing seat, stretch out and two locking press button phases respectively by the both ends of second elastic component It supports.

Preferably, the both ends of second elastic component are equipped with movable block, and the side wall of the fixing seat, which is equipped with, supplies the lock Determine the first through hole of button activity, the side wall of the outer tube is equipped with the second through-hole passed through for the movable block, and described second Through-hole and first through hole coaxial arrangement, the movable block are resisted against one end of the locking press button, the first through hole packet Including different two sections of internal diameter, one section in the first through hole close to the outer tube is the lesser first segment of internal diameter, described first One section in through-hole far from the outer tube is the biggish second segment of internal diameter, and the locking press button is outer close to one end of the outer tube The outer diameter of the lesser first end of diameter, second end of the locking press button far from the outer tube is greater than the first segment internal diameter, makes institute The second end for stating locking press button is stuck on the outside of the first segment, and the internal diameter of the first segment is greater than or equal to the interior of the second through-hole Diameter, the length of the first segment are greater than or equal to the length of the locking press button first end, and the inner end of the movable block is equipped with Radially flange face outstanding is stuck in the inside of second through-hole.

Preferably, the bottom of the pedal is additionally provided with recessed relative to being inserted into after fixing seat disassembly for the support rod Slot, the support rod is interior to be equipped with the first magnet, and the groove is equipped with the second magnet to match with first magnet, described One end on pedal close to the rear-wheel is provided with braking vane.

Compared with the prior art, the advantages of the present invention are: by the way that connection inner and outer tubes are arranged on support rod Lock section, facilitate adjust support rod height, the junction of front-wheel and fixing seat be arranged buffer unit, reduce vibration, mention Comfort level when high scooter operation, and the positioning that button controls can be passed through in the design of the junction of support rod and fixing seat Block facilitates the disassembly and installation of support rod, and in the bottom of pedal, setting can accommodate the groove of support rod and insert convenient for fixed Slot is greatly saved the occupied space of scooter, is convenient for carrying.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of roller board of the utility model.

Fig. 2 is the sectional view that section is locked in a kind of new type slide plate of the utility model.

Fig. 3 is the structural schematic diagram that section is locked in a kind of new type slide plate of the utility model.

Fig. 4 is that a kind of roller board of the utility model hides the structural schematic diagram after a front-wheel.

Fig. 5 is part-structure sectional view in a kind of roller board of the utility model.

Fig. 6 is the partial structure diagram of support rod and fixing seat junction in a kind of roller board of the utility model.

Structural schematic diagram when Fig. 7 is a kind of roller board portable state of the utility model.

Structural schematic diagram when Fig. 8 is a kind of roller board portable state of the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Such as a kind of roller board of Fig. 1, including pedal 1, the support rod being located on pedal 12 and it is arranged in support rod 2 Top handle 3, the bottom plate at 1 both ends of pedal is respectively equipped with front-wheel 5 and rear-wheel 6, support rod 2 include can mutually stretch it is interior The junction of pipe 22 and outer tube 23, inner tube 22 and outer tube 23 is equipped with lock section 21, is provided on pedal 1 close to one end of front-wheel 5 solid Reservation 4 is provided with braking vane 61 at rear-wheel 6 on pedal 1.

As shown in Figure 1, Figure 2 and Figure 3, lock section 21 includes being set in the flexible button 210 in 23 outside of outer tube and being set in stretch The outer housing 211 in 210 outside of contracting button, outer housing 211 is for fixed flexible button 210 and plays position-limiting action.Flexible button Return springs 214 are equipped between 210 and outer tube 23, flexible button 210 includes the front panel 218 and rear panel 212 being connected, In the present embodiment, the junction of front panel 218 and rear panel 212 is respectively equipped with buckle and card slot, and buckle and card slot pass through engaging It is connected and fixed.Front panel 218 is equipped with the convex block 213 towards 23 direction of outer tube protrusion, and return springs 214 are set in convex block On 213, convex block 213 is for position reset elastic component 214 and return springs 214 is made to stretch in one direction always, preferably , the return springs 214 in the present embodiment are spring, and one end of return springs 214 is resisted against on front panel 218, another End is resisted against on outer tube 23, and front panel 218 is made to have the movement tendency far from outer tube 23 always.Outer housing 211 is equipped with for institute State front panel 218 against notch, so that 218 part of front panel is exposed to outer housing 211, for user press.

Rear panel 212 is set in 23 outside of outer tube, is resisted against on outer tube 23 by 214 active force of return springs, shell It is equipped with the conduit 216 being oriented to for flexible 210 radial motion of button in body 211, is equipped on the outside of rear panel 212 and cooperates with conduit 216 And it is inserted into the side convex block 217 in conduit 216, conduit 216 extends along outer tube 23 radial direction, and stretches with spring Contracting direction is identical, and the front panel 218 on flexible button 210 is by being able to drive rear panel 212 along the axis of spring after external pressure To movement.Side on rear panel 212 far from front panel 215 is fixed with a positioning block 215, and locating piece 215 is coaxially set with spring It sets, the side wall of outer tube 23 is equipped with the outer location hole 231 matched with locating piece 215, and the side wall of inner tube 22 is equipped with and positioning The interior location hole 221 that block 215 matches, interior location hole 221 are multiple along the axial direction distribution of inner tube 22.

Preferably, locating piece 215 is straight pin in the present embodiment, and the aperture of interior location hole 221 and outer location hole 231 is big In or equal to straight pin outer diameter.

When the bounce of spring is resisted against the front panel 218 of flexible button 210 on outer housing 211, and make rear panel 212 are resisted against the outside of outer tube 23, and locating piece 215 sequentially passes through outer location hole 231 and interior location hole 221 at this time, make outer tube 23 Opposite with inner tube 22 to lock, inner tube 22 can not be axially moveable with respect to outer tube 23.

Making spring-compressed when user presses flexible button 210, front panel 218 is mobile radially toward 23 direction of outer tube, It drives rear panel 212 to move along the telescopic direction of spring towards far from 23 direction of outer tube, and locating piece 215 is made to be detached from interior location hole 221.Inner tube 22 and outer tube 23 release opposite locking at this time, and inner tube 22 can be axially moveable with respect to outer tube 23, enable support rod 2 It is enough axially free flexible along its, it is convenient and practical.

User raises or lowers height of the inner tube 22 with respect to outer tube 23, to realize the axial stretching of support rod 2.When holding It adjusts 3 to suitable height, so that locating piece 215 is directed at the interior location hole 221 of respective heights on 22 side wall of inner tube, release is stretched After contracting button 210, outer tube 23 and inner tube 22 are relocked.

As shown in Fig. 4, Fig. 5 and Fig. 7, buffer unit 7 is provided between fixing seat 4 and front-wheel 5, buffer unit 7 includes bottom Plate 72, movable part 73 and elastic component 71, are fixed with wheel shaft 51 on front-wheel 5 along its axis, far from fixing seat 4 on bottom plate 72 It is equipped with the connecting hole being inserted into for wheel shaft 51 in the middle part of side, the bearing of connecting bottom board 72 and wheel shaft 51 is equipped in connecting hole.Movable part 43 first end and the first end of bottom plate 72 are equipped with the first hinged shaft 76, and the first hinged shaft 76 is arranged in parallel with wheel shaft 51, due to first Hinged shaft 76 and the laterally setting in the horizontal direction of wheel shaft 51, enable movable part 73 and bottom plate 72 around the first hinged shaft 76 vertical It is relatively rotated on direction.First end side surface of movable part 73 and fixing seat 71 are hinged by the second hinged shaft 75, the second hinged shaft 75 with The perpendicular setting of wheel shaft 51 enables buffer unit 7 to swing around the relatively fixed seat 4 of the second hinged shaft 75, realizes turning for front-wheel 5 To.The both ends of elastic component 71 are connected with the second end of movable part 73 and bottom plate 72 respectively, due to movable part 73,71 and of elastic component 72 head and the tail of bottom plate are sequentially connected, and are formed the triangular structure of a closure, are kept 7 structure of buffer unit more stable.

Elastic component 71 includes spring and the cushion collar for being set in spring outwards, and cushion collar can not only prevent foreign from connecing Touching spring is simultaneously stuck in the gap location of spring, and can prevent user accidentally touching spring and it is injured, cushion collar is using reversible deformation Material, preferably rubber, the cross-sectional outer diameter of cushion collar increase its deformability along the axis direction mechanical periodicity of spring, buffering Set and spring generate deformation after capable of absorbing the active force that 71 end of elastic component is subject to, and the part kinetic energy that vibration generates is converted to Then elastic potential energy sustained release is played the role of buffering again by elastic potential energy, keep scooter comfortable in use state and pacify It is complete reliable.

In the present embodiment, elastic component 71 is set to the top of bottom plate 72.

Further, the angle of elastic component 71 and bottom plate 72 is 45 °~90 °, elastic component 41 and bottom plate 42 in the present embodiment Angle be preferably 80 °.

As shown in Figure 5 and Figure 6, fixing seat 4 is equipped with the locking structure that can lock or unlock support rod 2, locking structure Locking press button 42 including being arranged in fixing seat 4 and running through 4 side wall of fixing seat, locking press button 42 include two and are respectively set The first elastic component 43 is equipped between the two sides of fixing seat 4, two locking press buttons 42, the first elastic component 43 is located at 23 He of outer tube Between fixing seat 4, the second elastic component 26 is additionally provided in outer tube 23, the both ends of the second elastic component 26 are respectively equipped with movable block 25, living Motion block 25 runs through the side wall of outer tube 23 and is inserted into fixing seat 4, end and locking press button 42 on movable block 25 far from outer tube 23 It offsets.Since the first elastic component 43 and the second elastic component 26 are V-type spring, there is the elastic potential stretched to both ends direction Can, the first elastic component 43 makes locking press button 42 have the trend always far from 23 side wall of outer tube, and the second elastic component 26 makes movable block 25 have the trend for being detached from outer tube 23.

Preferably, the first elastic component 43 in the present embodiment and the second elastic component 26 are resilient metal strip, are had relatively strong Elastic potential energy and corrosion-and high-temp-resistant.

It is respectively equipped on the side wall of fixing seat 4 for the movable first through hole 49 of locking press button 42, is set on the side wall of outer tube 23 Have for two perforative second through-holes 48 of movable block 25, the inner sidewall of movable block 25 is equipped with radially flange face outstanding And it is stuck in the inside of the second through-hole 48, it is resisted against movable block 25 at second through-hole 48, movable block 25 is avoided to be detached from outer tube 23, rise The effect of limit is arrived.

First through hole 49 includes different two sections of internal diameter, and one section of close outer tube 23 is that internal diameter is lesser in first through hole 49 First segment 47, one section in first through hole 49 far from outer tube 23 is the biggish second segment of internal diameter, and locking press button 42 is close to outer tube 23 One end be the lesser first end of outer diameter, the outer diameter of second end of the locking press button 42 far from outer tube 23 is greater than 47 internal diameter of first segment, The second end of locking press button 42 is set to be stuck in 47 outside of first segment of first through hole 49.Further, the first segment of first through hole 49 47 internal diameter is greater than or equal to the internal diameter of the second through-hole 48, and the length of first segment 47 is greater than or equal to locking press button 42 first The length at end enables movable block 25 to penetrate the first segment 47 of first through hole 49 and lean with locking press button 42, makes outer tube 23 Mutually locking state is in fixing seat 4.

Be inserted on outer tube 23 on the outside of the end of fixing seat 4 and be also arranged with limit sleeve 24, the top of limit sleeve 24 be equipped with against Outer bulge loop 241 in fixing seat 4, limitation outer tube 23 are inserted into the depth of fixing seat 4, are convenient for the second through-hole 48 and first through hole The alignment of 49 rapid axials, the first segment 47 for enabling movable block 25 to penetrate first through hole 49 rapidly complete locking.

One end on movable block 25 far from outer tube 23 is preferably arc surface, reduces friction during locking or unlocking Power, during movable block 25 follows the insertion fixing seat 4 of outer tube 23, the second through-hole 48 is axially aligned with first through hole 49 Afterwards, movable block 25 is made outer tube 23 and is consolidated due to the first segment 47 of the laterally inserted first through hole 49 of the active force of the second elastic component 34 4 mutually locking of reservation completes the connection of outer tube 23 and fixing seat 4.

When user needs to be detached from outer tube 23 from fixing seat 4, while pressing the locking press button for being located at 4 two sides of fixing seat 42, keep it mobile towards 23 direction of outer tube, is inserted into first through hole 49 close to the first end of outer tube 23 on locking press button 42 and pushes away Dynamic movable block 25 leaves the first segment of first through hole 49 toward mobile towards 23 interior direction of outer tube, when movable block 25 laterally moves to 47, outer tube 23 unlocks with fixing seat 4 at this time, and outer tube 23 can be easily taken out from fixing seat 4.Due to locking press button 42 The length of upper first end is identical as 47 length of first segment of first through hole 49, so that locking press button 42 is pressurized mobile towards outer tube 23 When to bosom, movable block 25 is driven to be detached from first segment 47 just, complete unlock, locking press button 42 is avoided to pass through first through hole 49 First segment 47 after enter the second through-hole 48 make outer tube 23 that can not be separated with fixing seat 4.Realization outer tube 23 is fast with fixing seat 4 Speed locks and unlocks, and it is time saving and energy saving to disassemble and install.

Further, the groove 11 being inserted into for support rod 2, and the lock section on support rod 2 are equipped in the bottom of pedal 1 It is provided with the first magnet in 21, the second magnet to match with the first magnet is equipped on groove 11, for support rod 2 is opposite It is fixed at groove 11 after the disassembly of fixing seat 4, the utility model scooter is made to be changed to portable state from use state, be easy to use Person carries, and reduces the occupied space of scooter, convenient for storage.

Claims

1. a kind of roller board including pedal (1), the support rod (2) being located on pedal (1) and is fixed on support rod (2) top The both ends bottom of the handle (3) in portion, the pedal (1) is respectively equipped with front-wheel (5) and rear-wheel (6), it is characterised in that: the pedal (1) one end on close to the front-wheel (5) is provided with fixing seat (4), and the fixing seat (4) is inserted into for the support rod (2), and And the fixing seat (4) is equipped with the locking structure that can lock or unlock the support rod (2), the fixing seat (4) and institute It states and is additionally provided between front-wheel (5) buffer unit (7), the support rod (2) includes the inner tube (22) that can mutually stretch and outer It manages (23), makes the support rod (2) can be along its axial stretching.

2. roller board according to claim 1, it is characterised in that: the buffer unit (7) includes bottom plate (72), lives Moving part (73) and elastic component (71), the movable part (73) are connected with the fixing seat (4), and the first of the movable part (73) Equipped with the first hinged shaft (76) between end and the bottom plate (72) first end, the both ends of the elastic component (71) respectively with the activity The second end of part (73) is connected with the second end of the bottom plate (72), the bottom plate (72), movable part (73) and elastic component (71) axially vertical with the front-wheel (5).

3. roller board according to claim 2, it is characterised in that: the front-wheel (5) is equipped with wheel shaft (51), described Wheel shaft (51) is mutually fixedly connected with the bottom plate (72), and first hinged shaft (76) is parallel with the wheel shaft (51), the bullet Property part (71) be set to the tops of the bottom plate (72), the first end side surface of the movable part (73) and the fixing seat (4) are logical Cross the second hinged shaft (75) hingedly, second hinged shaft (75) and first hinged shaft (76) are perpendicular, buffer unit (7) energy Enough to swing around the second hinged shaft (75) relative to fixing seat (4), the elastic component (71) includes spring and is set in outside spring The cushion collar of side.

4. roller board according to claim 1, it is characterised in that: be additionally provided with locking or solution on the support rod (2) Lock the lock section (21) of said inner tube (22) and outer tube (23), the lock section (21) flexible is pressed including be set on the outside of outer tube (23) Button (210) and the outer housing (211) being set on the outside of the flexible button (210), the side of the flexible button (210) and outer It manages and is equipped with return springs (214) between the side of (23), be fixed with a positioning block on the other side of the flexible button (210) (215), the other side side wall of the outer tube (23) is equipped with the outer location hole (231) matched with the locating piece (215), institute The side wall for stating inner tube (22) is equipped with the interior location hole (221) matched with locating piece (215), and the flexible button (210) exists It is described default that radial motion in the outer housing (211) along the outer tube (23) is inserted into the locating piece (215) Position hole (221) and outer location hole (231) are stretched out from the interior location hole (221), and the return springs (214) make institute Stating locating piece (215) has the trend for being inserted into the outer location hole (231) and interior location hole (221) always, the flexible button (210) side close to return springs (214) is exposed to the outer housing (211), presses for user.

5. roller board according to claim 4, it is characterised in that: be equipped in the outer housing (211) and pressed to be flexible Button (210) provides the conduit (216) of radial motion guiding, axial direction distribution of the interior location hole (221) along said inner tube (22) Equipped with multiple, the flexible button (210) includes the front panel (218) and rear panel (212) being connected, the outer housing (211) be equipped with for the front panel (218) expose notch, one end of the return springs (214) be resisted against it is described before On panel (218), the other end is resisted against the outer tube (23), and the rear panel (212) is resisted against on the outer tube (23).

6. roller board according to claim 5, it is characterised in that: the front panel (218) is equipped with towards outer tube (23) convex block (213) of direction protrusion, the return springs (214) are set on convex block (213), the locating piece (215) Be fixed on the side on rear panel (212) far from the front panel (218), be additionally provided on the outside of the rear panel (212) with it is described The side convex block (217) that conduit (216) cooperates and is inserted into the conduit (216), the return springs (214) are bullet Spring, the locating piece (215) are straight pin.

7. roller board according to claim 1, it is characterised in that: the locking structure includes being set to the fixing seat (4) run through the locking press button (42) of fixing seat (4) side wall on, be equipped with the first elastic component (43) on the inside of the locking press button (42), First elastic component (43) makes the locking press button (42) to have the trend always far from outer tube (23) side wall, the outer tube (23) the second elastic component (26) are equipped in, the end of second elastic component (26) is run through the side wall of the outer tube (23) and inserted Enter the fixing seat (4), so that the outer tube (23) and fixing seat (4) are connected with each other, the outside of second elastic component (26) End offsets with the locking press button (42), the end of second elastic component (26) under the driving of the locking press button (42) It retracts on the inside of the outer tube (23), so that the outer tube (23) can be mutually disengaged with fixing seat (4).

8. roller board according to claim 7, it is characterised in that: the locking press button (42) includes being respectively arranged on institute Two for stating the two sides of outer tube (23), first elastic component (43) and the second elastic component (26) are V-type spring, and described first Elastic component (43) is located between outer tube (23) and fixing seat (4), and the both ends of first elastic component (43) are born against at two On the locking press button (42), the both ends of second elastic component (26) are stretched out and two locking press button (42) phases respectively It supports.

9. roller board according to claim 8, it is characterised in that: the both ends of second elastic component (26), which are equipped with, lives Motion block (25), the side wall of the fixing seat (4), which is equipped with, supplies the locking press button (42) movable first through hole (49), described outer The side wall of pipe (23) is equipped with the second through-hole (48) passed through for the movable block (25), second through-hole (48) and described the One through-hole (49) coaxial arrangement, the first through hole (49) include different two sections of internal diameter, and the first through hole (49) is close to institute One section of outer tube (23) is stated as the lesser first segment of internal diameter (47), one section far from the outer tube (23) of the first through hole (49) For the biggish second segment of internal diameter, the locking press button (42) is the lesser first end of outer diameter close to the one end of the outer tube (23), The outer diameter of second end of the locking press button (42) far from the outer tube (23) is greater than the first segment (47) internal diameter, makes the lock The second end for determining button (42) is stuck on the outside of the first segment (47), and it is logical that the internal diameter of the first segment (47) is greater than or equal to second The internal diameter in hole (48), the length of the first segment (47) is greater than or equal to the length of the locking press button (42) first end, described The inner end of movable block (25) is equipped with the inside that radially flange face outstanding is stuck in second through-hole (48).

10. roller board according to claim 1, it is characterised in that: the bottom of the pedal (1) is additionally provided with described in confession The groove (11) that support rod (2) is inserted into after dismantling relative to the fixing seat (4), the support rod (2) is interior to be equipped with the first magnet, The groove (11) is equipped with the second magnet to match with first magnet, on the pedal (1) close the rear-wheel (6) One end be provided with braking vane (61).