CN219406766U

CN219406766U - Upright tube folding structure of two-wheel vehicle

Info

Publication number: CN219406766U
Application number: CN202320836909.5U
Authority: CN
Inventors: 金俸奭; 毛勇彪; 吴成全; 李仁清; 刘团团; 吴良刚
Original assignee: Zhejiang Duert Wheel Co ltd
Current assignee: Zhejiang Duert Wheel Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-25
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a vertical pipe folding structure of a two-wheeled vehicle, which comprises an upper connecting seat connected with an upper vertical pipe and a lower connecting seat connected with a lower vertical pipe, wherein one side of the upper connecting seat is hinged with one side of the lower connecting seat, a locking mechanism is arranged between the upper connecting seat and the lower connecting seat, the locking mechanism comprises a locking handle and a locking connecting rod, the lower end of the locking handle is hinged with the other side of the lower connecting seat, a first hinge shaft is arranged at the hinged position of the locking handle and the lower connecting seat, one end of the locking connecting rod is hinged with the other side of the upper connecting seat, the other end of the locking connecting rod is hinged with the locking handle, a second hinge shaft is arranged at the hinged position of the locking connecting rod and the upper connecting seat, a third hinge shaft is arranged at the hinged position of the locking connecting rod and the locking handle, when the upper vertical pipe rotates to an unfolding position, the locking handle is pulled upwards to be upwards turned and positioned at the position above the third hinge shaft, so that the locking mechanism provides clamping force to clamp the upper connecting seat and the lower connecting seat, and the connecting wire between the third hinge shaft and the first hinge shaft is positioned at the inner side of the second hinge shaft.

Description

Upright tube folding structure of two-wheel vehicle

Technical Field

The utility model relates to a two-wheel vehicle, in particular to a vertical pipe folding structure of the two-wheel vehicle.

Background

Two wheeler is for having the automobile body of front wheel and rear wheel, for example scooter, along with scooter's rapid development, selects scooter amusement, the people of riding instead of walk more and more, and scooter mostly adopts beta structure now, props up the handlebar when using and uses, when needs are accomodate, opens folding device unblock, and the handlebar level is laid down, practices thrift accommodation space.

For example, patent CN216070338U discloses a foldable electric scooter, the lower extreme of car pole upper segment is connected with the base, the upper end of car pole lower segment is connected with the base down, the lower extreme of car pole upper segment is provided with the hasp, the hasp is located the top of base down, one side of base is articulated with one side of base down, so that car pole upper segment can overturn backward direction of wheel, the opposite side of base articulates there is the buckle that can reciprocate, the opposite side of base down articulates there is the pull buckle, the lower extreme of pull buckle is the articulated end, the upper end of pull buckle is equipped with can lock with the hasp and can follow the slider that the pull buckle slided from top to bottom, the pull buckle is equipped with the draw-in groove that joins in marriage with the buckle card towards one side of car pole, the buckle still is connected and is equipped with spherical joint head, the draw-in groove is the indent spherical recess that suits with this spherical joint head, the buckle still is connected with a second reset spring, make the spherical joint head of pull buckle and the buckle support with the draw-in groove, upward rotation a certain angle makes the direction of buckle, the second reset spring, the opposite side reset spring is compressed simultaneously to the upward rotation, until the spherical joint of buckle and the buckle card head and the buckle draw-in order to reset spring release the buckle when the buckle and the buckle down.

The folding structure of current scooter has the problem that: the draw-in buckle is matched with the spherical clamping head part of the buckle through the clamping groove, when in locking, the spherical clamping head part of the buckle is required to be inserted into the clamping groove to be positioned so as to realize locking, the clamping groove of the draw-in buckle is easy to separate from the spherical clamping head part of the buckle, the stability is poor, the spring is required to be arranged to drive the buckle to reset so that the buckle can enter the clamping groove next time, the structure is complex, and when in locking, the draw-in buckle is required to be locked by people from turning upwards, so that the locking is not convenient and smooth enough.

Disclosure of Invention

Based on the defects that when the locking is performed, the spherical clamping head part of the buckle is required to be inserted into the clamping groove to be positioned so as to realize the locking, the clamping groove of the pull buckle is easy to separate from the spherical clamping head part of the buckle, the stability is poor, the spring is required to drive the buckle to reset so that the buckle can enter the clamping groove next time, the structure is complex, and the like, the utility model provides a stand pipe folding structure of a two-wheel vehicle.

The technical scheme adopted for solving the technical problems is as follows: the vertical pipe folding structure of the two-wheeled vehicle comprises an upper connecting seat connected with the upper vertical pipe and a lower connecting seat connected with the lower vertical pipe, wherein one side of the upper connecting seat is hinged with one side of the lower connecting seat so as to enable the upper vertical pipe to turn to one side to a folding position, the vertical pipe folding structure is characterized in that a locking mechanism is arranged between the upper connecting seat and the lower connecting seat and comprises a locking handle and a locking connecting rod, the lower end of the locking handle is hinged with the other side of the lower connecting seat, a first hinge shaft is arranged at the hinge position of the locking handle and the lower connecting seat, one end of the locking connecting rod is hinged with the other side of the upper connecting seat, a second hinge shaft is arranged at the hinge position of the locking connecting rod and the upper connecting seat, the hinge shaft is positioned above the first hinge shaft, the other end of the locking connecting rod is hinged with the locking handle, a third hinge shaft is arranged at the hinge position of the locking connecting rod and the locking handle, the third hinge shaft is deviated from the first hinge shaft,

when the upper vertical pipe rotates to the unfolding position, the locking handle is pulled by the locking connecting rod to turn upwards and stand, the locking handle is pushed to be positioned above the third hinge shaft, the locking mechanism is enabled to provide clamping force to clamp the upper connecting seat and the lower connecting seat, and the central connecting line of the third hinge shaft and the first hinge shaft is positioned on the inner side of the second hinge shaft.

The further preferable technical scheme of the utility model is as follows: the upper connecting seat is provided with an inwards concave groove on one side of the lower connecting seat, an inner lug is fixed on the inner groove wall of the groove, the inner lug is positioned in the groove and does not protrude out of the groove, the lower connecting seat is provided with a hinge part in an upwards protruding mode, and the hinge part is inserted into the groove and hinged with the inner lug.

The further preferable technical scheme of the utility model is as follows: the upper stand pipe is provided with a hasp on one side facing the locking handle, the upper end of the locking handle is provided with a slide fastener which can be buckled with the hasp and can slide up and down along the locking handle to be separated from the buckling, and the hinge shaft III is positioned between the hinge shaft I and the slide fastener.

The further preferable technical scheme of the utility model is as follows: the locking handle is internally provided with a movable cavity, the slide fastener is arranged in the movable cavity and slides up and down relative to the locking handle, the locking handle is pushed when the upper vertical pipe rotates to the unfolding position, the slide fastener can push the slide fastener to slide to one side relative to the locking handle so that the slide fastener moves into the inner side of the slide fastener, the locking handle is provided with a reset spring to drive the slide fastener to reset, the slide fastener is buckled with the slide fastener, one side of the upper vertical pipe of the locking handle is provided with a cavity opening for the slide fastener to enter the movable cavity, and the outer side of the locking handle is provided with a shifting button for driving the slide fastener to slide up and down.

The further preferable technical scheme of the utility model is as follows: a guide surface is arranged between the hasp and the slide fastener, and the hasp can push the slide fastener to move along the guide surface.

The further preferable technical scheme of the utility model is as follows: the locking connecting rod comprises a bidirectional threaded rod, an upper connecting part and a lower connecting part, wherein both ends of the bidirectional threaded rod are provided with positive and negative threads, the upper connecting part and the lower connecting part are respectively in threaded connection with both ends of the bidirectional threaded rod, the upper connecting part is hinged with the locking handle, the lower connecting part is hinged with the upper connecting seat, and the bidirectional threaded rod is rotated to adjust the length of the locking connecting rod.

The further preferable technical scheme of the utility model is as follows: the one end of going up connecting portion has the first screw hole with the one end threaded connection of two-way threaded rod, be equipped with the second screw hole with first screw hole intercommunication on the lateral wall of last connecting portion, second screw hole threaded connection has fastening screw, and fastening screw sticiss the relative motion of restriction two-way threaded rod and last connecting portion on the one end lateral wall of two-way threaded rod.

The further preferable technical scheme of the utility model is as follows: the bottom of lower connecting seat is equipped with the sleeve pipe that is used for cup jointing with lower riser, and the split selvedge has all been seted up to sheathed tube both sides to form two centre gripping limit, two centre gripping limit have elasticity, and two centre gripping edges are equipped with the bolt hole that the hole site is relative, and when lower riser inserted in the sleeve pipe, the bolt passes lower riser and two centre gripping edge relative bolt hole and nut connection.

The further preferable technical scheme of the utility model is as follows: the bolt hole is including the first bolt hole that is located the sleeve pipe upper end and the second bolt hole that is located the sleeve pipe lower extreme, and the sleeve pipe is used for supplying down riser male hole for down big-end-up has the trapezoidal hole of tapering, and hole upper end aperture is less than down riser diameter and down riser interference fit, and hole lower extreme aperture is greater than down riser diameter.

The further preferable technical scheme of the utility model is as follows: the locking handle has elasticity, and when the upper vertical pipe rotates to the unfolding position, the locking handle is pushed to elastically deform by the extrusion of the locking connecting rod so that the third hinge shaft moves into the inner side of the second hinge shaft.

Compared with the prior art, the locking mechanism has the advantages that the locking mechanism comprises the locking handle and the locking connecting rod, the lower end of the locking handle is hinged to the other side of the lower connecting seat, the first hinge shaft is arranged at the hinged position of the locking handle and the lower connecting seat, one end of the locking connecting rod is hinged to the other side of the upper connecting seat, the second hinge shaft is arranged at the hinged position of the locking connecting rod and the upper connecting seat, the other end of the locking connecting rod is hinged to the locking handle, the third hinge shaft is arranged at the hinged position of the locking connecting rod and the locking handle, the locking mechanism is more smoothly locked by the structure of the locking handle and the locking connecting rod, when the upper vertical pipe rotates to the unfolding position, the locking handle is pulled to be turned upwards by the locking connecting rod, a user can finish locking the relative rotation of the upper connecting seat and the lower connecting seat only by inwards pushing the locking handle, the locking mechanism is compact and simple in structure, the third hinge shaft is moved into the inner side of the second hinge shaft by inwards pushing the locking handle to the position above the third hinge shaft, the central connecting line of the third hinge shaft and the first hinge shaft is located in the inner side of the second hinge shaft, the locking mechanism is enabled to provide a clamping force and a stable connecting seat.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a side view of the upper riser rotated to the deployed position locked;

FIG. 3 is a schematic view in section of the upper riser rotated to the deployed position locked;

FIG. 4 is a schematic diagram of a locking mechanism;

FIG. 5 is a schematic cut-away view of a locking mechanism;

FIG. 6 is a schematic view of the structure of the lower connecting seat;

FIG. 7 is a schematic view of a lower connector in cross section;

FIG. 8 is a schematic view in section of the lower riser being cased;

FIG. 9 is a side view of the upper riser rotated to the collapsed position;

FIG. 10 is a state diagram of the latch handle not being pushed into the latched position as the upper riser is rotated to the deployed position.

In the figure: 1. a lower connecting seat; 2. a hinge part; 3. an inner lug; 4. a groove; 5. an upper connecting seat; 6. an upper riser; 7. a locking mechanism; 8. a locking handle; 9. a first hinge shaft; 10. a second hinge shaft; 11. a two-way threaded rod; 12. a lower connecting part; 13. an upper connection part; 14. a third hinge shaft; 15. a fastening screw; 16. a first threaded hole; 17. a second threaded hole; 18. a third threaded hole; 19. a hasp; 20. a slide fastener; 21. a central connecting line; 22. a movable cavity; 23. a dial button; 24. a first connection portion; 25. a movable hole; 26. a return spring; 27. a sleeve; 28. a first bolt hole; 29. a second bolt hole; 30. edge cracking; 31. clamping edges; 32. an inner bore; 33. a nut; 34. a bolt; 35. a lower riser; 36. a through hole; 37. a guide surface; 38. and (5) locking the connecting rod.

Detailed Description

Preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The stand pipe folding structure of the two-wheeled vehicle, shown in fig. 1 to 10, includes an upper connection seat 5 connected with an upper stand pipe 6 and a lower connection seat 1 connected with a lower stand pipe 35, one side of the upper connection seat 5 is hinged with one side of the lower connection seat 1 to enable the upper stand pipe 6 to be turned to one side to a folded position and an unfolded position.

As shown in fig. 2 and 3, the upper connecting seat 5 is rotated to a position overlapping the top of the lower connecting seat 1, so that the bottom end surface of the upper connecting seat 5 is attached to the top end surface of the lower connecting seat 1, and the upper riser 6 is unfolded for use.

The lower end of the upper vertical pipe 6 is fixedly connected with the top of the upper connecting seat 5.

As shown in fig. 6 and 7, the bottom of the lower connecting seat 1 is provided with a sleeve 27 sleeved with the lower vertical pipe 35, two sides of the sleeve 27 are provided with split edges 30 to form two clamping edges 31, the two clamping edges 31 are symmetrically arranged at the bottom of the lower connecting seat 1, the two clamping edges 31 are elastic, the two clamping edges 31 are provided with bolt holes with opposite hole positions, when the lower vertical pipe 35 is inserted into the sleeve 27, a bolt 34 passes through the lower vertical pipe 35 and the bolt holes with opposite hole positions on the two clamping edges 31 to be connected with a nut 33, the bolt 34 is matched with the nut 33 to tighten the two clamping edges 31, so that the two clamping edges 31 clamp the lower vertical pipe 35, and the lower vertical pipe 35 is provided with a through hole 36 for the bolt 34 to pass through.

As shown in fig. 8, the bolt holes include a first bolt hole 28 located at the upper end of the sleeve 27 and a second bolt hole 29 located at the lower end of the sleeve 27, the inner hole 32 into which the lower vertical tube 35 is inserted by the sleeve 27 is a trapezoid hole with a taper, the diameter of the upper end of the inner hole 32 is smaller than the outer diameter of the lower vertical tube 35, the diameter of the lower end of the inner hole 32 is larger than the outer diameter of the lower vertical tube 35, when the lower vertical tube 35 is inserted into the inner hole 32, the lower vertical tube 35 is in interference fit with the upper end of the inner hole 32, the bolt 34 passes through the lower vertical tube 35 and the bolt holes on the two clamping edges 31 opposite to each other to be connected with the nut 33, and as the inner hole 32 is the trapezoid hole with a taper in the lower size, the bolt 34 can tightly clamp the whole clamping edge 31 by matching with the nut 33 in the screwing process of the bolt 34, so that the whole sleeve 27 is clamped on the outer side wall of the lower vertical tube 35.

In addition, as shown in fig. 1 and fig. 2, a concave groove 4 is formed on one side of the upper connecting seat 5 and the lower connecting seat 1, an inner lug 3 is fixed on the inner groove wall of the groove 4, the inner lug 3 is positioned in the groove 4 and does not protrude out of the groove 4, a hinge part 2 is convexly arranged on the lower connecting seat 1, the hinge part 2 is arranged at the top of the lower connecting seat 1, the hinge part 2 is inserted into the groove 4 and hinged with the inner lug 3, and the structure of the inner hinge enables the volumes of the upper connecting seat 5 and the lower connecting seat 1 to be smaller and more compact.

As shown in fig. 3 and 4, a locking mechanism 7 is arranged between the upper connecting seat 5 and the lower connecting seat 1, the locking mechanism 7 comprises a locking handle 8 and a locking connecting rod 38, the lower end of the locking handle 8 is hinged to the other side of the lower connecting seat 1, a first hinge shaft 9 is arranged at the hinged position of the locking handle 8 and the lower connecting seat 1, one end of the locking connecting rod 38 is hinged to the other side of the upper connecting seat 5, a second hinge shaft 10 is arranged at the hinged position of the locking connecting rod 38 and the upper connecting seat 5, the second hinge shaft 10 is positioned above the first hinge shaft 9, the other end of the locking connecting rod 38 is hinged to the locking handle 8, a third hinge shaft 14 is arranged at the hinged position of the locking connecting rod 38 and the locking handle 8, and the third hinge shaft 14 is deviated from the first hinge shaft 9. Preferably, the third hinge shaft 14 is located in the middle of the locking handle 8.

As shown in fig. 2 and 10, when the upper riser 6 rotates to the extended position, the locking handle 8 is pulled by the locking link 38 to turn upwards and rise, the user pushes the locking handle 8 inwards to a position above the third hinge shaft 14, so that the third hinge shaft 14 moves into the inner side of the second hinge shaft 10, at this time, the central connecting line 21 between the third hinge shaft 14 and the first hinge shaft 9 is located in the inner side of the second hinge shaft 10, the locking link 38 cooperates with the locking handle 8 to provide clamping force to clamp the upper connecting seat 5 and the lower connecting seat 1, relative rotation of the upper connecting seat 5 and the lower connecting seat 1 is limited, and the third hinge shaft 14 moves into the inner side of the second hinge shaft 10, the locking link 38 is arranged obliquely upwards, so that the locking link 38 has a force for driving the locking handle 8 to rotate inwards, and the locking handle 8 is limited to rotate outwards to unlock, so that the locking state is more stable.

The structure of the connection of the locking handle 8 and the locking connecting rod 38 makes the locking of the locking mechanism 7 smoother, when the upper vertical pipe 6 rotates to the unfolding position, the locking handle 8 is pulled by the locking connecting rod 38 to turn upwards and stand up, a user only needs to push the standing locking handle 8 inwards to finish the relative rotation of the upper connecting seat 5 and the lower connecting seat 1, and the structure is compact and simple.

As shown in fig. 3, the locking link 38 includes a bi-directional threaded rod 11 having forward and reverse threads at both ends, an upper connecting portion 13, and a lower connecting portion 12, the upper connecting portion 13 and the lower connecting portion 12 are respectively connected with both ends of the bi-directional threaded rod 11 by threads, the upper connecting portion 13 is hinged with the locking handle 8, the lower connecting portion 12 is hinged with the upper connecting seat 5, the bi-directional threaded rod 11 is rotated to adjust the length of the locking link 38, the clamping force of the locking mechanism 7 is changed, the force required by the user to push the locking handle 8 inwards is changed, the longer the locking link 38 is, the larger the force required by the user to push the locking handle 8 inwards is, the shorter the locking link 38 is, the force required by the user to push the locking handle 8 inwards is adjustable according to the individual practical situation of the user, and the assembly error and the gap can be compensated.

And the bidirectional threaded rod 11 is provided with positive and negative threads, and two ends are simultaneously adjusted during adjustment, so that the adjusting stroke is short.

One end of the upper connecting portion 13 is provided with a first threaded hole 16 in threaded connection with one end of the bidirectional threaded rod 11, the side wall of the upper connecting portion 13 is provided with a second threaded hole 17 communicated with the first threaded hole 16, the second threaded hole 17 is internally in threaded connection with a fastening screw 15, the fastening screw 15 is tightly pressed on the side wall of one end of the bidirectional threaded rod 11 to limit the relative movement between the bidirectional threaded rod 11 and the upper connecting portion 13, the fastening screw 15 plays a locking role on the bidirectional threaded rod 11, and the structure is more stable when adjustment is not needed.

The lower connecting portion 12 is a U-shaped connecting portion, one side of the upper connecting seat 5 facing the locking handle 8 is provided with an outer lug, the outer lug is inserted into the lower connecting portion 12 to be hinged with the lower connecting portion 12, and the tail of the lower connecting portion 12 is provided with a third threaded hole 18 for being in threaded connection with the end part of the bidirectional threaded rod 11.

The locking handle 8 has elasticity, and when the upper riser 6 rotates to the unfolded position, the locking handle 8 is pushed to elastically deform by the locking connecting rod 38, so that the hinge shaft three 14 moves into the inner side of the hinge shaft two 10.

In addition, as shown in fig. 3, a buckle 19 is provided on a side of the upper riser 6 facing the locking handle 8, the buckle 19 is located at a lower end of the upper riser 6, a slider 20 capable of being buckled with the buckle 19 and being slid up and down along the locking handle 8 to be disengaged from the buckle is provided at an upper end of the locking handle 8, and a hinge shaft three 14 is located between the hinge shaft one 9 and the slider 20.

Preferably, slider 20 is moved upward out of engagement with buckle 19.

The locking handle 8 is internally provided with a movable cavity 22, the sliding buckle 20 is arranged in the movable cavity 22 and slides up and down relative to the locking handle 8, when the upper vertical pipe 6 rotates to the unfolding position, the locking handle 8 is pushed inwards, the sliding buckle 20 on the locking handle 8 extrudes the buckle 19, the buckle 19 can push the sliding buckle 20 to slide upwards relative to the locking handle 8 to enable the buckle 19 to move into the inner side of the sliding buckle 20, the locking handle 8 is provided with a return spring 26 for driving the sliding buckle 20 to return, when the buckle 19 moves into the inner side of the sliding buckle 20, the return spring 26 pushes the sliding buckle 20 to move downwards to enable the sliding buckle 20 to be buckled with the buckle 19, and a cavity opening for enabling the buckle 19 to enter the movable cavity 22 is formed in the side of the locking handle 8 facing the vertical pipe 6.

Preferably, a guiding surface 37 is provided between the buckle 19 and the slider 20, so that the buckle 19 can push the slider 20 to move along the guiding surface 37.

The width of the slider 20 is equal to the width of the movable chamber 22, and both side chamber walls of the movable chamber 22 restrict the slider 20 from moving up and down in the movable chamber 22.

The outside of locking handle 8 is equipped with and is used for driving the shifting knob 23 that slide button 20 reciprocated, is equipped with movable hole 25 on the lateral wall of locking handle 8 and supplies shifting knob 23's first connecting portion 24 to stretch into movable chamber 22 and be connected with slide button 20, and movable hole 25 has the space that supplies first connecting portion 24 to reciprocate, and reset spring 26 locates in movable hole 25 and is located first connecting portion 24 top.

The locking handle 8 is restrained from turning outwards by the buckling connection of the buckle 19 and the slide buckle 20, so that the structure is more stable in the locking state.

The foregoing has outlined rather many of the principles and embodiments of the present utility model in order that the detailed description of the utility model may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The vertical pipe folding structure of the two-wheeled vehicle comprises an upper connecting seat connected with the upper vertical pipe and a lower connecting seat connected with the lower vertical pipe, wherein one side of the upper connecting seat is hinged with one side of the lower connecting seat so as to enable the upper vertical pipe to turn to one side to a folding position, the vertical pipe folding structure is characterized in that a locking mechanism is arranged between the upper connecting seat and the lower connecting seat and comprises a locking handle and a locking connecting rod, the lower end of the locking handle is hinged with the other side of the lower connecting seat, a first hinge shaft is arranged at the hinge position of the locking handle and the lower connecting seat, one end of the locking connecting rod is hinged with the other side of the upper connecting seat, a second hinge shaft is arranged at the hinge position of the locking connecting rod and the upper connecting seat, the hinge shaft is positioned above the first hinge shaft, the other end of the locking connecting rod is hinged with the locking handle, a third hinge shaft is arranged at the hinge position of the locking connecting rod and the locking handle, the third hinge shaft is deviated from the first hinge shaft,

2. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 1, wherein one side of the upper connecting seat hinged to the lower connecting seat is provided with a concave groove, an inner lug is fixed on the inner wall of the groove, the inner lug is positioned in the groove and does not protrude out of the groove, the lower connecting seat is convexly provided with a hinge part, and the hinge part is inserted into the groove to be hinged with the inner lug.

3. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 1, wherein a buckle is provided on a side of the upper stand pipe facing the locking handle, a slider which can be buckled with the buckle and can slide up and down along the locking handle to be disengaged from the buckle is provided at an upper end of the locking handle, and the hinge shaft three is located between the hinge shaft one and the slider.

4. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 3, wherein the movable cavity is arranged in the locking handle, the sliding buckle is arranged in the movable cavity and slides up and down relative to the locking handle, when the upper stand pipe rotates to the unfolding position, the locking handle is pushed by the buckle, the sliding buckle can be pushed to slide to one side relative to the locking handle to enable the buckle to move into the inner side of the sliding buckle, the locking handle is provided with a reset spring to drive the sliding buckle to reset, the sliding buckle is buckled with the buckle, the side, facing the upper stand pipe, of the locking handle is provided with an cavity opening for the buckle to enter the movable cavity, and the outer side of the locking handle is provided with a poking button for driving the sliding buckle to slide up and down.

5. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 4, wherein a guide surface is provided between the buckle and the slider, and the buckle can push the slider to move along the guide surface.

6. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 1, wherein the locking link comprises a bidirectional threaded rod having forward and reverse threads at both ends, an upper connection part and a lower connection part, the upper connection part and the lower connection part are respectively connected with both ends of the bidirectional threaded rod by threads, the upper connection part is hinged with the locking handle, the lower connection part is hinged with the upper connection seat, and the bidirectional threaded rod is rotated to adjust the length of the locking link.

7. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 6, wherein one end of the upper connecting portion is provided with a first threaded hole in threaded connection with one end of the bidirectional threaded rod, a side wall of the upper connecting portion is provided with a second threaded hole communicated with the first threaded hole, a fastening screw is in threaded connection with the second threaded hole, and the fastening screw is tightly pressed on the side wall of one end of the bidirectional threaded rod to limit the relative movement between the bidirectional threaded rod and the upper connecting portion.

8. The folding structure of a stand pipe of a two-wheeled vehicle according to claim 1, wherein the bottom of the lower connecting seat is provided with a sleeve for sleeving with the lower stand pipe, split edges are formed on two sides of the sleeve to form two clamping edges, the two clamping edges have elasticity, the two clamping edges are provided with bolt holes with opposite hole positions, and when the lower stand pipe is inserted into the sleeve, the bolts pass through the lower stand pipe and the bolt holes with opposite hole positions on the two clamping edges to be connected with nuts.

9. The folding structure of a stand pipe of a two-wheeled vehicle according to claim 8, wherein the bolt holes comprise a first bolt hole at an upper end of the sleeve and a second bolt hole at a lower end of the sleeve, and the inner hole of the sleeve for inserting the stand pipe is a trapezoid hole with a taper on a lower size, the diameter of the upper end of the inner hole is smaller than that of the lower stand pipe, the diameter of the lower end of the inner hole is larger than that of the lower stand pipe, and the diameter of the upper end of the inner hole is smaller than that of the lower stand pipe.

10. The folding structure of the stand pipe of the two-wheeled vehicle according to claim 1, wherein the locking handle has elasticity, and when the upper stand pipe is rotated to the unfolded position, the locking handle is pushed in, and the locking handle is elastically deformed by the pressing of the locking link so that the third hinge shaft moves to the inner side of the second hinge shaft.