CN112046663B

CN112046663B - Foldable scooter

Info

Publication number: CN112046663B
Application number: CN202010870953.9A
Authority: CN
Inventors: 陈国明
Original assignee: Shenzhen Ridetech Electronics Co Ltd
Current assignee: Shenzhen Ridetech Electronics Co Ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-11-09
Anticipated expiration: 2040-08-26
Also published as: CN112046663A

Abstract

The application relates to a foldable scooter, which comprises a pedal, a front wheel device and a rear wheel device, wherein the front wheel device comprises a front fork, a front wheel rotatably arranged on the front fork and a stand column vertically arranged on the front fork; the hinge connection mechanism comprises a front fork strut assembly arranged on the front fork, a front fork sleeve arranged on the front fork strut assembly and an upright post sleeve arranged on the upright post, the front fork sleeve is hinged with the upright post sleeve, a clamping block is arranged on the side wall of the upright post sleeve, a shifting piece is hinged on the front fork sleeve, and the shifting piece is provided with a clamping groove in clamping fit with the clamping block; the clamping block is rotatably provided with a rotating roller, and the wall of the clamping groove is provided with an abutting rod for abutting against the rotating roller; a hooking component which is mutually hooked and matched is arranged between the shifting piece and the upright post. This application has the effect that is connected more firm of stand and front fork.

Description

Foldable scooter

Technical Field

The invention relates to the technical field of scooters, in particular to a foldable scooter.

Background

The scooter is a foot-operated bicycle structure which is convenient for people to go out and exercise. With the rapid development of society, in the prior art, various functions and forms of scooters have appeared, such as two-wheeled, three-wheeled or four-wheeled, with traditional foot pedal driven, electrically driven or intelligent remote control. The two-wheeled electric drive scooter mainly includes structures such as footboard, front and back wheel, front fork, stand, handlebar, and this type of scooter receives teenagers and office workers' liking because of the light, portable structural feature.

Foldable scooter among the correlation technique for realize that front fork and stand can buckle, sets up hinge structure between the two usually, recycles a block part and fastens the two for front fork and stand can lock in upright state. However, when the existing scooter is in a working state, the upright post and the front fork are unstable in connection, and the use safety and reliability are affected.

Disclosure of Invention

In order to improve the scooter under operating condition, stand and front fork exist to be connected insecure, have the problem of potential safety hazard, this application provides a collapsible scooter.

The application provides a foldable scooter adopts following technical scheme:

the utility model provides a foldable scooter, includes the footboard and set up respectively in the front wheel device and the rear wheel device at the both ends of footboard, its characterized in that: the front wheel device comprises a front fork, a front wheel rotatably arranged on the front fork and an upright post vertically arranged on the front fork, wherein a hinge connection mechanism is arranged between the upright post and the front fork and is used for connecting the upright post and the front fork in a hinge manner so as to enable the upright post to turn towards the rear wheel device;

the hinge connection mechanism comprises a front fork support assembly arranged on the front fork, a front fork sleeve arranged on the front fork support assembly and an upright post sleeve arranged on the upright post, the front fork sleeve is hinged with the upright post sleeve, a clamping block is arranged on the side wall of the upright post sleeve, a shifting piece is hinged on the front fork sleeve, and the shifting piece is provided with a clamping groove in clamping fit with the clamping block; the clamping block is rotatably provided with a rotating roller, and the wall of the clamping groove is provided with an abutting rod for abutting against the rotating roller; and a hooking component which is mutually hooked and matched is arranged between the poking piece and the upright post.

By adopting the technical scheme, the hinge connection mechanism is arranged between the upright post and the front fork to realize the hinge connection of the upright post and the front fork, so that the folding of the upright post is convenient to realize, when the scooter needs to be used, the upright post can be turned to an upright state to align the front fork sleeve with the upright post sleeve, the upright post sleeve is borne on the front fork sleeve, the clamping groove of the shifting piece is rotated to be in clamping fit with the clamping block of the upright post sleeve by rotating the shifting piece, and the upright post sleeve is limited from turning over relative to the front fork sleeve by clamping fit of the clamping block and the clamping groove, so that the upright post sleeve and the front fork sleeve are fixed; in addition, the in-process of stirring the piece is rotated, the butt pole takes place the upset and contradicts the live-rollers along with stirring the piece, the live-rollers takes place to rotate along with the upset of butt pole, so that the butt pole can make smooth and easy upwards overturn to the top of live-rollers, so that the butt pole can support the upside of tight live-rollers, thereby it is fixed with the block of screens piece to realize stirring, it is fixed with being connected of stand to further realize the front fork, and simultaneously, will stir the piece and collude mutually with the stand through colluding holding the subassembly again, so that guarantee the stability of stirring the piece, thereby make the front fork more stable with the fixed of stand.

Preferably, the hooking component comprises a hook arranged at the free end of the poking part, the middle part of the hook is hinged to the poking part, one end of the hook is a hooking end, the other end of the hook is a poking end, and the side wall of the upright column is provided with a hook groove which is mutually hooked and matched with the hooking end.

Through adopting above-mentioned technical scheme, pothook and collude the groove and collude each other and hold the cooperation for stir the piece and be difficult for breaking away from with the stand, with the stability of guaranteeing to stir the piece, thereby make the front fork more stable with the fixed of stand.

Preferably, the stirring piece is provided with a return spring, one end of the return spring is connected to the stirring piece, and the other end of the return spring is connected to the stirring end.

Through adopting above-mentioned technical scheme, reset spring provides elasticity to the pothook to the end of holding colluding that makes the pothook can keep colluding and hold in colluding the groove, makes to dial the piece and is difficult for breaking away from with the stand, in order to guarantee the stability of being connected of front fork and stand.

Preferably, the cross section of the upright post is arranged in a prismatic shape, and the width of the cross section of the upright post is gradually reduced from top to bottom.

By adopting the technical scheme, the cross section of the upright post is in prismatic arrangement so as to enhance the structural strength of the upright post, so that the upright post is more stressed.

Preferably, the front fork strut assembly comprises a main rod arranged on the front fork in the vertical direction and a connecting sleeve sleeved outside the main rod, a connecting rod is arranged at one end of the main rod, which is far away from the front fork, a limiting step is formed between the connecting rod and the main rod, a limiting convex edge used for abutting against the limiting step is arranged on the inner wall of the connecting sleeve, an upper limiting ring is further sleeved outside the connecting sleeve, and the connecting rod is in threaded connection with a limiting nut used for abutting against the upper limiting ring;

front fork strut subassembly still include fixed connection in the fixed sleeve of footboard, fixed sleeve cover is located outside the connecting sleeve, the connecting sleeve slide connect in fixed sleeve, the connecting sleeve still overlaps outward and is equipped with down the spacing circle, down the spacing circle is located fixed sleeve's top, go up the spacing circle and down the spacing circle all with connecting sleeve threaded connection, front fork cover set up in go up between spacing circle and the lower spacing circle.

By adopting the technical scheme, when the connecting sleeve is sleeved on the main rod, the limiting step on the main rod is matched with the limiting convex edge on the inner wall of the connecting sleeve to limit the downward sliding of the connecting sleeve relative to the main rod, so that the lower limit sliding distance of the connecting sleeve is limited, and then the limiting nut is screwed to enable the limiting nut to abut against the upper limiting ring on the connecting sleeve, so that the upward movement of the connecting sleeve is limited, and the fixing of the connecting sleeve is realized; similarly, the front fork sleeve is arranged between the upper limiting ring and the lower limiting ring, the upper limiting ring and the lower limiting ring limit the up-and-down sliding of the front fork sleeve, namely, the lower limiting ring limits the downward sliding of the front fork sleeve, the upper limiting ring limits the upward movement of the front fork sleeve, and the upper limiting ring is tightly abutted against the front fork sleeve by screwing the upper limiting ring to realize the fixation of the front fork sleeve; in addition, through adjusting down the position of spacing circle at adapter sleeve to the position of fork cover on adapter sleeve before changing, in order to realize the position of fork cover in vertical direction before the fine setting, thereby realize the position of fine setting and preceding fork cover complex stand cover, further realize the height of fine setting stand, so that the in-process of assembling this scooter debugs this scooter.

Preferably, the connecting rod is provided with a tension spring, one end of the tension spring is connected with the connecting rod, and the other end of the tension spring is connected with the upright post.

Through adopting above-mentioned technical scheme, the extension spring provides the pulling force that resets to the stand to in overturn the stand to upright state.

Preferably, the front fork sleeve is provided with an accommodating groove for accommodating the upper limiting ring.

Through adopting above-mentioned technical scheme, add the storage tank with spacing circle on the holding to guarantee the roughness at front fork cover's top, make front fork cover more level and smooth with the junction of stand cover, the connection effect is better.

Preferably, one end of the connecting sleeve, which is close to the front fork, is sleeved with a buffer spring, one end of the buffer spring is connected to the fixing sleeve, and the other end of the buffer spring is connected to the front fork.

Through adopting above-mentioned technical scheme, this scooter is jolting and when producing ascending power at the in-process front wheel that uses, buffer spring absorbs partial effort to play the effect of buffering, in order to improve driving comfort.

Preferably, the rear wheel device comprises a rear wheel rotatably arranged on the pedal, a mounting seat arranged on the pedal and a rear mudguard arranged on the mounting seat, the rear mudguard is rotatably connected to the mounting seat, and an emergency braking mechanism for emergently braking the rear wheel is further arranged on the pedal.

Through adopting above-mentioned technical scheme, add the mud volume of splashing that the in-process that the rear wheel rotated has effectively been reduced to the rear fender.

Preferably, emergency braking mechanism including set up in the connecting axle of mount pad and connect in the brake block of connecting axle, the brake block contradict in one side of rear fender towards the rear wheel, the connecting axle cover be equipped with be used for to the brake block provides torsional spring of torsion.

Through adopting above-mentioned technical scheme, when the in-process of driving this scooter meets emergency, the rear fender is stepped on to the accessible foot, the rear fender atress is pushed down, so that the brake block pushes down and contradicts the rear wheel, thereby carry out the braking to the rear wheel, in order to realize emergency brake, and after loosening the rear fender, the torsional spring provides the power that resets to the brake block, so that brake block and rear wheel separation, the in-process of brake block and rear wheel separation, upwards promote the rear fender and reset, from not influencing the normal rotation of rear wheel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping block is matched with the clamping groove in a clamping mode to limit the upright post sleeve from overturning relative to the front fork sleeve, so that the upright post sleeve and the front fork sleeve are fixed, and meanwhile, the shifting piece is hooked with the upright post through the hooking component, so that the stability of the shifting piece is ensured, and the front fork and the upright post are fixed more stably;

2. through adjusting down the position of spacing circle at the adapter sleeve to the fork cover is in the position on the adapter sleeve before changing, with the position of fork cover in vertical direction before realizing the fine setting, thereby realize the position of fine setting and preceding fork cover complex stand cover, further realize the height of fine setting stand, so that the in-process of assembling this scooter debugs this scooter.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the rear wheel assembly of the present invention;

FIG. 3 is an enlarged view of a portion of the rear wheel assembly of FIG. 2;

FIG. 4 is a schematic view of the front wheel assembly of the present invention;

FIG. 5 is a schematic view of the folded scooter of the present invention;

FIG. 6 is an exploded view of the front wheel assembly of the present invention;

FIG. 7 is a schematic view showing the assembly of the front fork, the main rod and the connecting sleeve according to the present invention;

FIG. 8 is a schematic view showing an assembled relationship of a front fork, a connecting sleeve, a fixing sleeve and a pedal according to the present invention;

FIG. 9 is a schematic view showing the fitting relationship between the fixing sleeve and the connecting sleeve according to the present invention;

FIG. 10 is an enlarged view of a portion of the front wheel assembly of FIG. 5;

FIG. 11 is a schematic view showing the assembling relationship between the toggle member and the front fork sleeve and between the front fork sleeve and the pillar sleeve according to the present invention;

fig. 12 is a schematic view showing the matching relationship between the toggle member and the front fork sleeve and the pillar sleeve according to the present invention.

Description of reference numerals: 1. a pedal; 101. a wheel groove; 2. a rear wheel; 3. a mounting seat; 31. a connecting shaft; 4. a rear fender; 41. a rotating part; 5. a brake pad; 51. a connecting end; 6. a torsion spring; 7. a front fork; 8. a front wheel; 9. a column; 10. a handlebar; 11. a reinforcing bar; 12. a main rod; 121. a limiting step; 13. a connecting sleeve; 131. a guide groove; 14. a connecting rod; 15. an upper limiting ring; 16. a limit nut; 17. fixing the sleeve; 171. an inner sleeve; 172. an outer sleeve; 173. a guide strip; 18. plugging the sleeve; 19. a spring seat; 20. a buffer spring; 21. an organ cover; 22. a lower limit ring; 23. a bearing table; 24. a front fork sleeve; 241. a containing groove; 242. a positioning column; 243. an installation part; 244. a rotating shaft; 25. a column sleeve; 251. positioning a groove; 252. a bit block; 2521. a yielding groove; 2522. a rotating roller; 26. a tension spring; 27. a toggle piece; 271. a clamping groove; 272. a butting rod; 273. positioning a groove; 274. a hook; 275. a return spring; 276. a connecting portion; 2741. a hooking end; 2742. and a poking end.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

A foldable scooter, referring to fig. 1, comprises a substantially rectangular parallelepiped pedal 1, and a front wheel device and a rear wheel device respectively mounted on both ends of the pedal 1.

Referring to fig. 2 and 3, the rear wheel device includes a rear wheel 2 provided at one end of a pedal 1, a mount 3, a rear fender 4, and an emergency brake mechanism, the rear fender 4 is provided in an arc shape, and the rear fender 4 covers an upper side of the rear wheel 2. A wheel groove 101 for mounting a rear wheel 2 is formed in the pedal 1, the wheel groove 101 is formed along the length direction of the pedal 1, and the mounting seat 3 is fixedly mounted on one side, close to the front wheel device, of the wheel groove 101. The connecting shaft 31 is fixedly mounted on the mounting seat 3, the connecting shaft 31 is arranged along the width direction of the pedal 1, one end of the rear mudguard 4 is provided with a rotating part 41, and the rotating part 41 is rotatably connected with the connecting shaft 31. The emergency brake mechanism comprises a strip-shaped brake pad 5 connected to the connecting shaft 31, and the brake pad 5 is positioned on one side of the rear fender 4 facing the rear wheel 2 and is fixedly connected with the rear fender 4. One end of the brake block 5 is a connecting end 51, and the connecting end 51 is rotatably connected with the connecting shaft 31. The connecting shaft 31 is sleeved with a torsion spring 6, one end of the torsion spring 6 is connected to the connecting shaft 31, the other end of the torsion spring 6 is connected to the connecting end of the brake pad 5, and the torsion spring 6 provides elasticity for the brake pad 5 so that the brake pad 5 supports the rear fender 4. During braking, the brake block 5 is driven to press down, so that the brake block 5 is abutted to the upper side of the rear wheel 2, friction force is generated on the rear wheel 2, the rotating speed of the rear wheel 2 is reduced by increasing the friction resistance of the rear wheel 2, and the purpose of braking is achieved. And, after releasing the brake pad 5, the torsion spring 6 provides a restoring force to the brake pad 5 to restore the brake pad 5 to be separated from the rear wheel 2.

Referring to fig. 4, the front wheel device includes a front fork 7, a front wheel 8 rotatably mounted on the front fork 7, a pillar 9 vertically mounted on the front fork 7, and a handlebar 10 mounted on the top of the pillar 9. Wherein, the cross section of the upright post 9 is prismatic, and the width of the cross section of the upright post 9 is gradually reduced from top to bottom.

Referring to fig. 4 and 5, a hinge mechanism is provided between the front fork 7 and the pillar 9 for hinge-connecting the pillar 9 and the front fork 7 so that the pillar 9 can be flipped backward until the handle bar 10 abuts against the rear fender 4.

Referring to fig. 5 and 6, the hinge connection mechanism includes a front fork post assembly vertically mounted on the front fork 7. The stiffener 11 is installed to the one end that rear wheel 2 was kept away from to footboard 1, and the setting of stiffener 11 slope, the one end that footboard 1 was kept away from to stiffener 11 are connected in front fork strut subassembly.

Specifically, referring to fig. 6 and 7, the front fork post assembly includes a main rod 12 vertically installed on the front fork 7, and a connection sleeve 13 sleeved outside the main rod 12. The one end that the front fork 7 was kept away from to mobile jib 12 is connected with the connecting rod 14 that is the cavity setting, is formed with spacing step 121 between connecting rod 14 and the mobile jib 12, and the inner wall of connecting sleeve 13 is equipped with the spacing protruding edge (not shown in the figure) with spacing step 121 looks butt, and when mobile jib 12 was located to the connecting sleeve 13 cover, it was spacing to the decline position on spacing protruding edge through spacing step 121 to the vertical downstream's of restriction connecting sleeve 13 lower limit height.

Referring to fig. 7 and 8, the connecting sleeve 13 is externally sleeved with an upper limiting ring 15, and the upper limiting ring 15 is in threaded connection with the connecting sleeve 13. The end of the connecting rod 14 far away from the main rod 12 is in threaded connection with a limiting nut 16, and the limiting nut 16 is used for abutting against an upper limiting ring 15 of the connecting sleeve 13 so as to limit the vertical upward movement of the connecting sleeve 13 and further limit the upper limit height of the vertical upward movement of the connecting sleeve 13.

Referring to fig. 8, the connection sleeve 13 is limited by limiting the lower limit height and the upper limit height of the connection sleeve 13 moving in the vertical direction, and meanwhile, the limit nut 16 is screwed down to make the limit nut 16 abut against the upper limit ring 15, so that the connection sleeve 13 is fixedly connected with the main rod 12.

Referring to fig. 8 and 9, the front fork strut assembly further includes a fixed sleeve 17 sleeved outside the connecting sleeve 13, and the connecting sleeve 13 is retractable relative to the fixed sleeve 17. Specifically, the fixed sleeve 17 includes an outer sleeve 172 and an inner sleeve 171, the outer sleeve 172 is fixedly connected to the reinforcing rod 11, and the inner sleeve 171 is slidably connected to the connecting sleeve 13.

Referring to fig. 8 and 9, the inner wall of the inner sleeve 171 is provided with a guide strip 173 along the vertical direction, the side wall of the connecting sleeve 13 is provided with a guide groove 131 in sliding fit with the guide strip 173 along the vertical direction, and the guide groove 131 penetrates through the bottom end of the connecting sleeve 13. Referring to fig. 7, the bottom end of the connect sleeve 13 is threadedly connected with a blocking sleeve 18 for blocking the guide groove 131 to limit the vertical sliding distance of the connect sleeve 13 relative to the inner sleeve 171.

Referring to fig. 8 and 9, during assembly, the outer sleeve 172 is first fixedly connected to the reinforcing rod 11, then the plugging sleeve 18 is sleeved on the main rod 12, and the main rod 12 passes through the inner sleeve 171 from bottom to top; then, the connecting sleeve 13 passes through the inner sleeve 171 from top to bottom, the connecting sleeve 13 is sleeved on the main rod 12, and when the connecting sleeve 13 passes through the inner sleeve 171, the connecting sleeve 13 is limited and guided by the guide groove 131 and the guide block, so that the connecting sleeve 13 is prevented from deviating; after the main rod 12 is sleeved with the connecting sleeve 13, the blocking sleeve 18 is screwed to block the guide groove 131 to limit the vertical sliding distance of the connecting sleeve 13 relative to the inner sleeve 171, and finally, the limiting nut 16 is screwed to enable the limiting nut 16 to abut against the upper limiting ring 15 on the connecting sleeve 13, so that the connecting sleeve 13 is fixedly connected with the main rod 12. That is, after the assembly is completed, the connecting sleeve 13 is fixedly connected with the main rod 12, so that the connecting sleeve 13 is fixedly connected with the front fork 7, and the connecting sleeve 13 can be connected with the fixing sleeve 17 in a sliding manner.

Referring to fig. 8 and 9, a spring seat 19 is connected to the bottom of the inner sleeve 171, a damper spring 20 is externally fitted to the connecting sleeve 13, and one end of the damper spring 20 is connected to the spring seat 19 and the other end is connected to the front fork 7. The connecting sleeve 13 plays a guiding role for the buffer spring 20, so that the buffer spring 20 is not easily excessively deformed when being stressed to extend. The bottom of the fixed sleeve 17 is also connected with an organ cover 21 for covering the buffer spring 20, and the organ cover 21 protects the buffer spring 20.

When front wheel 8 receives vertical ascending effort, the effort transmits to front fork 7, and upward movement takes place for front fork 7 atress to transmit the effort to buffer spring 20, buffer spring 20 receives and takes place the compression behind the ascending effort, thereby absorbs partial effort, in order to play the effect of buffering.

In addition, referring to fig. 8 and 9, the top end of the connecting sleeve 13 is further sleeved with a lower limiting ring 22, the lower limiting ring 22 is located below the upper limiting ring 15, and the lower limiting ring 22 is in threaded connection with the connecting sleeve 13. The lower limit ring 22 is provided with a bearing platform 23, and the bearing platform 23 is sleeved on the top end of the connecting sleeve 13. The lower limiting ring 22 limits the bearing platform 23 to limit the lower limiting height of the bearing platform 23 sliding vertically downwards.

Referring to fig. 8 and 9, a front fork 7 sleeve similar to the hoop structure is disposed between the bearing platform 23 and the upper limiting ring 15, the front fork 7 sleeve is clasped to the connecting sleeve 13, the bottom of the front fork 7 sleeve abuts against the bearing platform 23, and the upper limiting ring 15 abuts against the top of the front fork 7 sleeve. Through the cooperation of last spacing circle 15 with plummer 23 to slide along vertical direction to 7 covers of front fork and carry out spacingly, through screwing up spacing circle 15, so that last spacing circle 15 supports tightly 7 covers of front fork, in order to realize the fixed of 7 covers of front fork. In this embodiment, the top of the front fork 7 sleeve is provided with an accommodating groove 241 for accommodating the upper limiting ring 15, and when the upper limiting ring 15 is accommodated in the accommodating groove 241, the upper limiting ring 15 abuts against the groove wall of the accommodating groove 241, so as to tightly abut against the front fork 7 sleeve. In the application, the positions of the lower limiting ring 22 and the upper limiting ring 15 on the connecting sleeve 13 are adjusted so as to realize fine adjustment of the upper and lower positions of the front fork 7 sleeve.

Referring to fig. 8 and 9, one end of the upright post 9 far away from the handlebar 10 is sleeved with a upright post 9 sleeve, the structure of the upright post 9 sleeve is similar to that of the hoop, the upright post 9 sleeve is embraced on the upright post 9, and the upright post 9 sleeve is hinged with the front fork 7 sleeve, so that the upright post 9 can be turned backwards.

In addition, referring to fig. 8 and 10, a positioning post 242 is fixed on the top of the front fork 7 sleeve, and a positioning groove 273251 for the positioning post 242 to be inserted is formed on the upright post 9 sleeve, so as to position the front fork 7 sleeve and the upright post 9 sleeve.

Referring to fig. 8 and 10, a vertical tension spring 26 is disposed at one end of the connecting sleeve 13 close to the front fork 7, a bottom end of the tension spring 26 is accommodated in the connecting rod 14 and connected with the connecting rod 14, and the other end of the tension spring 26 is connected with a bottom end of the upright post 9.

Referring to fig. 11 and 12, a mounting portion 243 is fixed to the front side of the front fork 7, a rotating shaft 244 is rotatably connected to the mounting portion 243, a toggle member 27 is fixedly connected to the rotating shaft 244, two connecting portions 276 are fixed to one end of the toggle member 27, and both ends of the rotating shaft 244 are fixedly connected to the two connecting portions 276, respectively.

Referring to fig. 11 and 12, a locking groove 271 is formed at one end of the toggle member 27 close to the connecting portion 276, a locking block 252 is fixed on a side wall of the upright post 9, and the toggle member 27 can rotate around the rotating shaft 244 until the locking groove 271 is in locking engagement with the locking block 252. When fixing the stand 9 cover with the front fork 7 cover, the stand 9 cover aligns with the front fork 7 cover, and the stand 9 cover bears on the front fork 7 cover, dials the piece 27 through rotating to make the screens groove 271 that dials the piece 27 rotate to cooperate with the screens piece 252 joint of stand 9 cover, cooperate through the joint of screens piece 252 with screens groove 271, in order to restrict the stand 9 cover and 7 cover upsets of front fork relatively, thereby make the stand 9 cover and 7 covers of front fork realize fixedly.

Referring to fig. 11 and 12, an avoiding groove 2521 is formed on one side of the locking block 252 facing the handlebar 10, a rotating roller 2522 is rotatably mounted in the avoiding groove 2521, and an abutting rod 272 for abutting against the rotating roller 2522 is disposed on one side wall of the locking groove 271 facing away from the rotating shaft 244. When the shifting member 27 is turned over to the clamping groove 271 to be clamped and matched with the clamping block 252, the abutting rod 272 abuts against the rotating roller 2522, the rotating roller 2522 rotates along with the turning of the abutting rod 272 until the abutting rod 272 is turned over to the upper side of the rotating roller 2522, and the abutting rod 272 abuts against the upper side of the rotating roller 2522, so that the shifting member 27 is clamped and fixed with the clamping block 252, and the front fork 7 and the upright post 9 are connected and fixed. In this embodiment, the abutting rod 272 is a screw, and a wall of the locking groove 271 has a threaded hole in threaded connection with the screw, so as to adjust the length of the screw extending out of the locking groove 271.

Referring to fig. 11 and 12, an installation groove is formed in an end of the toggle member 27 away from the rotating shaft 244, a hook 274 is movably installed in the installation groove, and a middle portion of the hook 274 is located in the installation groove and is rotatably connected with the installation groove. The one end of pothook 274 is for colluding holding end 2741, the other end is for dialling end 2742, the lateral wall of stand 9 is seted up and is colluded holding end 2741 and collude each other and hold the complex groove that colludes, install reset spring 275 that is used for providing elasticity to the end 2742 that dials of pothook 274 in the mounting groove, reset spring 275's one end is connected in dialling a 27, the other end is connected in the cell wall of mounting groove, reset spring 275 provides elasticity to the end 2742 that dials of pothook 274, so that the end 2741 that colludes of pothook 274 can keep colluding each other with the groove that colludes, so that the stand 9 cover is fixed more stable with being connected of front fork 7 cover.

The implementation principle of the application is as follows: when assembling the front wheel device, the fixing sleeve 17 is first fixedly connected with the reinforcing rod 11 to realize the connection of the fixing sleeve 17 and the pedal 1. Then the plugging sleeve 18 is sleeved on the main rod 12, and the main rod 12 penetrates through the fixed sleeve 17 from bottom to top; then, the connecting sleeve 13 penetrates through the fixing sleeve 17 from top to bottom, and the connecting sleeve 13 is sleeved on the main rod 12; after the connecting sleeve 13 is sleeved on the main rod 12, the lower limiting ring 22 is screwed into the top end of the connecting sleeve 13, the bearing platform 23 is sleeved on the connecting sleeve 13, and the lower limiting nut 16 limits the bearing platform 23 to slide downwards; the front fork 7 is sleeved and embraced at the top end of the connecting sleeve 13 and is borne on the bearing table 23, and then the upper limiting ring 15 is screwed down to tightly support the front fork 7 in a downward manner so as to limit the front fork 7 to move vertically; then, the limiting nut 16 is screwed down, so that the limiting nut 16 abuts against the upper limiting ring 15 on the connecting sleeve 13, and the fixed connection between the connecting sleeve 13 and the main rod 12 is realized; finally, the upright post 9 is fixed at one end of the upright post 9 far away from the handlebar 10, the upright post 9 is hinged with the front fork 7 in a sleeved mode, the clamping groove 271 in the shifting piece 27 is in clamping fit with the clamping block 252 on the upright post 9 in a sleeved mode, so that the upright post 9 and the front fork 7 are connected and fixed, and the front wheel device is assembled. And after the assembly is completed, the connecting sleeve 13 is fixedly connected with the main rod 12 to realize the fixed connection with the front fork 7, and meanwhile, the connecting sleeve 13 can realize the sliding connection with the fixing sleeve 17, so that when the front fork 7 is forced upwards, the connecting sleeve 13 can slide relative to the fixing sleeve 17. In addition, by adjusting the positions of the lower limiting ring 22 and the upper limiting ring 15 on the connecting sleeve 13 so as to realize fine adjustment of the upper and lower positions of the front fork 7 sleeve, after the vertical position of the front fork 7 sleeve is changed, the position of the upright post 9 sleeve is correspondingly changed, so that the height of the upright post 9 is finely adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a foldable scooter, includes footboard (1) and set up respectively in the front wheel device and the rear wheel device at the both ends of footboard (1), its characterized in that: the front wheel device comprises a front fork (7), a front wheel (8) rotatably arranged on the front fork (7) and a stand column (9) vertically arranged on the front fork (7), wherein a hinge connection mechanism is arranged between the stand column (9) and the front fork (7), and is used for connecting the stand column (9) with the front fork (7) in a hinge manner so that the stand column (9) can turn towards the direction of the rear wheel device;

the hinge connection mechanism comprises a front fork strut assembly arranged on the front fork (7), a front fork sleeve (24) arranged on the front fork strut assembly and an upright post (9) sleeve arranged on the upright post (9), the front fork sleeve (24) is hinged with the upright post (9), a clamping block (252) is arranged on the side wall of the upright post (9) sleeve, a shifting piece (27) is hinged on the front fork sleeve (24), and the shifting piece (27) is provided with a clamping groove (271) in clamping fit with the clamping block (252); a rotating roller (2522) is rotatably arranged on the clamping block (252), and an abutting rod (272) which is used for abutting against the rotating roller (2522) is arranged on the groove wall of the clamping groove (271); a hooking component which is mutually hooked and matched is arranged between the shifting piece (27) and the upright post (9);

the front fork strut assembly comprises a main rod (12) arranged on the front fork (7) in the vertical direction and a connecting sleeve (13) sleeved outside the main rod (12), a connecting rod (14) is arranged at one end, far away from the front fork (7), of the main rod (12), a limiting step (121) is formed between the connecting rod (14) and the main rod (12), a limiting convex edge used for abutting against the limiting step (121) is arranged on the inner wall of the connecting sleeve (13), an upper limiting ring (15) is further sleeved outside the connecting sleeve (13), and the connecting rod (14) is in threaded connection with a limiting nut (16) used for abutting against the upper limiting ring (15);

front fork strut subassembly still include fixed connection in the fixed sleeve (17) of footboard (1), fixed sleeve (17) cover is located outside connecting sleeve (13), connecting sleeve (13) slide connect in fixed sleeve (17), connecting sleeve (13) still overlap outward and be equipped with down spacing circle (22), down spacing circle (22) are located the top of fixed sleeve (17), go up spacing circle (15) and down spacing circle (22) all with connecting sleeve (13) threaded connection, front fork cover (24) set up in go up between spacing circle (15) and the lower spacing circle (22).

2. The foldable scooter of claim 1, wherein: the hooking component comprises a hook (274) arranged at the free end of the poking part (27), the middle of the hook (274) is hinged to the poking part (27), one end of the hook (274) is a hooking end (2741), the other end of the hook is a poking end (2742), and the side wall of the upright post (9) is provided with a hook groove which is mutually hooked with the hooking end (2741).

3. The foldable scooter of claim 2, wherein: the poking piece (27) is provided with a return spring (275), one end of the return spring (275) is connected to the poking piece (27), and the other end of the return spring is connected to the poking end (2742).

4. The foldable scooter of claim 1, wherein: the cross section of the upright post (9) is prismatic, and the width of the cross section of the upright post (9) is gradually reduced from top to bottom.

5. The foldable scooter of claim 1, wherein: the front fork sleeve (24) is provided with an accommodating groove (241) for accommodating the upper limiting ring (15).

6. The foldable scooter of claim 1, wherein: one end cover that connecting sleeve (13) is close to front fork (7) is equipped with buffer spring (20), buffer spring (20) one end connect in fixed sleeve (17), the other end connect in front fork (7).

7. The foldable scooter of claim 1, wherein: be provided with extension spring (26) on connecting rod (14), the one end of extension spring (26) connect in connecting rod (14), the other end connect in stand (9).

8. The foldable scooter of claim 1, wherein: the rear wheel device including rotate set up in rear wheel (2) of footboard (1), set up in mount pad (3) of footboard (1) and set up in rear fender (4) of mount pad (3), rear fender (4) rotate connect in mount pad (3), still be provided with on footboard (1) and be used for emergency braking the emergency braking mechanism of rear wheel (2).

9. The foldable scooter of claim 8, wherein: emergency braking mechanism including set up in connecting axle (31) of mount pad (3) and connect in brake block (5) of connecting axle (31), brake block (5) contradict in one side of rear fender (4) orientation rear wheel (2), connecting axle (31) cover be equipped with be used for to brake block (5) provide torsional spring (6) of torsion.