CN214729388U - Folding device and electric scooter - Google Patents

Abstract

The utility model discloses a folding device and electric scooter, folding device include front fork, riser, top end subassembly and locking subassembly. The front fork is provided with a mounting part at one end, the riser is rotatably connected with one end of the front fork and can be switched between a folding position and an unfolding position relative to the front fork, the jacking component is arranged on the mounting part and matched with the riser to drive or prevent the riser from being switched between the folding position and the unfolding position, and when the riser is in the unfolding position, the locking component is matched with the front fork and the riser to lock the riser at the unfolding position. On one hand, the riser is driven or prevented from being switched between the folding position and the unfolding position by utilizing the jacking component, so that the folding or unfolding operation of the folding device is facilitated, and the unfolding and folding operation of the folding device is facilitated for a user; on the other hand, the locking assembly is used for locking the stand pipe in the unfolding position, so that the stability of the stand pipe in the unfolding position can be improved.

Description

Folding device and electric scooter

Technical Field

The utility model belongs to the technical field of the scooter technique and specifically relates to a folding device and electric scooter are related to.

Background

The electric scooter is increasingly used in daily trips of people year by year, and is deeply loved by young consumers due to the dexterity and portability of the electric scooter. In order to carry conveniently, the scooter body is usually required to be folded and then put into a trunk of an automobile or brought into a subway. On present electric scooter's market, the great majority scooter can be folded the automobile body, and then carries out the size reduction in the direction of height. When the scooter body is folded, a hasp is usually arranged on the vertical pipe or the horizontal pipe, a buckle lock is arranged at the rear mudguard, and when the scooter body is folded in place, the hasp can be connected with the buckle lock, so that the scooter body is convenient for a user to carry. However, this approach requires the provision of a hasp or latch, which increases the cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a folding device, folding device has simple structure, convenient folding advantage.

The utility model also provides an electric scooter, electric scooter includes such as above-mentioned folding device.

According to the utility model discloses folding device, include: the front fork is provided with a mounting part at one end; a stem having one end rotatably connected to one end of the fork and being switchable between a folded position and an unfolded position relative to the fork; the top stop assembly is arranged on the mounting part and is matched with the stand pipe so as to drive or prevent the stand pipe from being switched between the folding position and the unfolding position; a locking assembly that cooperates with the front fork, the riser when the riser is in a deployed position to lock the riser in the deployed position.

On one hand, the riser is driven or prevented from being switched between the folding position and the unfolding position by utilizing the jacking component, so that the folding or unfolding operation of the folding device is facilitated, and the unfolding and folding operation of the folding device is facilitated for a user; on the other hand, the locking assembly is used for locking the stand pipe in the unfolding position, so that the stability of the stand pipe in the unfolding position can be improved.

In some embodiments, the end of the riser connected to the front fork has an escape recess; the mounting part is provided with a first mounting groove and a second mounting groove, the mounting part is provided with a communication port, the first mounting groove and the second mounting groove are communicated through the communication port, and the vertical pipe is positioned in the second mounting groove relative to a rotating shaft of the front fork; the jacking assembly comprises a first jacking piece and a second jacking piece, the first jacking piece is movably arranged in the first mounting groove, and the second jacking piece is rotatably arranged in the second mounting groove; when the vertical pipe is in the folding position, the free end of the first ejector piece penetrates through the communication opening to be matched with the avoiding recess, and the first ejector piece is matched with the avoiding recess to enable the vertical pipe to be in the folding position; when the stand pipe is switched between the folded position and the unfolded position, the first top piece and the second top piece are abutted against each other.

In some embodiments, the folding device further comprises an end cover fixedly connected with the mounting portion, the end cover is provided with a pivot shaft, the pivot shaft penetrates through the bottom wall of the second mounting groove and the end portion of the vertical pipe, and the vertical pipe rotates around the pivot shaft.

In some embodiments, the locking assembly is fixed to the end cover, the locking assembly comprises a locking state and an unlocking state, and when the locking assembly is in the locking state, part of the locking assembly is inserted into the end part of the stand pipe; when the locking assembly is in the unlocked state, the locking assembly is disengaged from the riser.

In some embodiments, the locking assembly comprises: the fixing part is fixedly arranged on the end cover; the inserting part is movably connected with the fixing part, and when the locking assembly is in the locking state, the inserting part is inserted and matched with the fixing part and inserted into the vertical pipe; when the locking assembly is in the unlocked state, the insertion part is disengaged from the stand pipe.

In some embodiments, one of the insertion part and the fixing part has an insertion tooth, and the other has an insertion groove, and the insertion tooth is in insertion fit with the insertion groove when the locking assembly is in the locking state; when the locking assembly is in the unlocking state, the insertion tooth is separated from the insertion groove.

In some embodiments, the top stop assembly further comprises a torsion spring, one end of the stand pipe is provided with a first bayonet, and one end of the torsion spring is clamped with the edge of the first bayonet; the pivot axle has the second bayonet socket, the other end of torsional spring with the edge joint of second bayonet socket.

In some embodiments, a spring is disposed in the first mounting groove, and the spring drives the first top member to move towards the communication opening.

In some embodiments, the second top member is a ring member having an opening, the inner ring of the second top member has a positioning notch, a convex pillar is arranged in the second mounting groove, the convex pillar is inserted into the positioning notch, and the second top member rotates around the convex pillar.

In some embodiments, the riser has a boss, the two opposite ends of the opening of the second top member are a first end and a second end, when the riser is switched from the folded position to the unfolded position, the boss is stopped against the first end, and the boss pushes the second top member to rotate around the convex column along a first direction, and the second top member pushes the first top member to move the first top member towards the inside of the first mounting groove until the first top member exits the avoiding recess;

when the stand pipe is switched from the unfolding position to the folding position, the boss abuts against the second end, the boss pushes the second top piece to rotate around the convex column along a second direction, the second top piece is separated from the first top piece, the first top piece is suitable for being inserted into the avoiding recess to lock the stand pipe in the folding position, and the first direction is opposite to the second direction.

According to the utility model discloses electric scooter, include the folding device as above.

According to the electric scooter provided by the embodiment of the utility model, the jacking component is utilized to drive or prevent the stand pipe from switching between the folding position and the unfolding position, so that the electric scooter can be conveniently folded or unfolded, and a user can conveniently unfold or fold the electric scooter; on the other hand, the locking assembly is used for locking the stand pipe in the unfolding position, so that the stability of the stand pipe in the unfolding position can be improved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an electric scooter according to an embodiment of the present invention, wherein the electric scooter is in a deployed state and a stand pipe is in a deployed position;

fig. 2 is a partial schematic structural view of the electric scooter according to the embodiment of the present invention, wherein the stand pipe is in the deployed position;

fig. 3 is a partial schematic structural view of the electric scooter according to the embodiment of the present invention, wherein the stand pipe is in the deployed position;

fig. 4 is a schematic structural view of an electric scooter according to an embodiment of the present invention, wherein the electric scooter is in a folded state, and the stand pipe is in a folded position;

fig. 5 is a partial schematic structural view of the electric scooter according to the embodiment of the present invention, wherein the stand pipe is in a folded position;

FIG. 6 is an enlarged partial schematic view at A of FIG. 5;

fig. 7 is an exploded view of a partial structure of the electric scooter according to the embodiment of the present invention;

FIG. 8 is a schematic structural view of the second head member of FIG. 7;

FIG. 9 is a partial schematic structural view of the front fork of FIG. 7;

fig. 10 is an exploded view of a partial structure of the electric scooter according to the embodiment of the present invention;

FIG. 11 is a schematic view of a portion of the riser of FIG. 10;

fig. 12 is a partial schematic structural view of the electric scooter according to the embodiment of the present invention, wherein the stand pipe is in a folded position;

fig. 13 is a schematic partial structure diagram of an electric scooter according to an embodiment of the present invention.

Reference numerals:

the electric scooter 100 is provided with a plurality of electric scooter,

a front fork 110, a mounting portion 111, a first mounting groove 112, a spring 113, a second mounting groove 114, a boss 115, a communication port 116, a mounting hole 117,

a vertical pipe 120, an avoiding recess 121, a first bayonet 122, a boss 123, a positioning hole 124,

a top stop assembly 130, a first top member 131, a second top member 132, a positioning notch 133, a first end 134, a second end 135,

a locking component 140, a fixing part 141, a plugging tooth 142, a plugging part 143, a plugging groove 144, a torsion spring 145,

an end cover 150, a pivot shaft 151 and a second bayonet 152;

wheel 160, frame 161, handlebar 162.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A folding device and an electric scooter 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 13.

As shown in fig. 1 and 4, the electric scooter 100 is a foldable scooter, wherein fig. 1 is a schematic view of an unfolded state of the electric scooter 100, in which a user can drive the electric scooter 100; fig. 4 is a schematic view of the electric scooter 100 in a folded state, in which the user can store and transport the electric scooter 100.

As shown in fig. 1 and 5, an electric scooter 100 according to an embodiment of the present invention includes a folding device. Wherein, folding device includes: front fork 110, seat tube 120, top stop assembly 130, and locking assembly 140. Of course, the electric scooter 100 further includes wheels 160, a frame 161 and a handlebar 162, wherein the handlebar 162 is disposed at the upper end of the vertical tube 120, the handlebar 162 can control the advancing direction of the electric scooter 100, the front fork 110 is connected to the frame 161, the number of the wheels 160 can be multiple, each wheel 160 is connected to the frame 161, and when the wheels 160 rotate, the wheels 160 can drive the frame 161 to move.

Specifically, as shown in fig. 5, one end of the front fork 110 has a mounting portion 111, and one end of the stem 120 is rotatably connected to one end of the front fork 110. That is, one end of the stand pipe 120 is rotatably connected to the mounting portion 111. Referring to fig. 2 and 5, the seat tube 120 is switchable between a folded position and an unfolded position with respect to the front fork 110. When the stand pipe 120 is in the folded position, the folding device is in the folded state; when the riser 120 is in the deployed position, the folding device is in the deployed state.

As shown in connection with fig. 7, a top stop assembly 130 is provided at the mounting portion 111, and the top stop assembly 130 cooperates with the stand pipe 120 to actuate or prevent the stand pipe 120 from shifting between the folded position and the unfolded position. It will be appreciated that when a folding or unfolding operation of the folding apparatus is desired, the top stop assembly 130 can cooperate with the riser 120 to prevent or drive the riser 120 from moving under the corresponding operation. For example, when the seat tube 120 is in the deployed position, the locking assembly 140 cooperates with the front fork 110, the seat tube 120 to lock the seat tube 120 in the deployed position.

According to the folding device of the embodiment of the present invention, on one hand, the top stop assembly 130 is utilized to drive or prevent the stand pipe 120 from being switched between the folding position and the unfolding position, so as to facilitate the folding or unfolding operation of the folding device, and thus facilitate the unfolding and folding operation of the folding device by the user; on the other hand, the locking assembly 140 is used to lock the stand pipe 120 in the deployed position, thereby improving the stability of the stand pipe 120 in the deployed position.

As shown in fig. 9, the mounting portion 111 has a first mounting groove 112 and a second mounting groove 114, the mounting portion 111 has a communication port 116, the first mounting groove 112 and the second mounting groove 114 are communicated through the communication port 116, and a rotation shaft of the stem 120 rotating with respect to the front fork 110 is located in the second mounting groove 114. It will be appreciated that the end of the riser 120 that mates with the mounting portion 111 rotates within the second mounting slot 114 when the riser 120 is switched between the deployed and folded positions. Therefore, the rotation of the riser 120 can be limited by the second installation groove 114, so that the stability of switching the position of the riser 120 can be improved.

Referring to fig. 7 and 8, the top stop assembly 130 includes a first top member 131 and a second top member 132, the first top member 131 is movably disposed in the first mounting groove 112, and the second top member 132 is rotatably disposed in the second mounting groove 114. As shown in fig. 7, the end of the stem 120 connected to the front fork 110 has an escape recess 121. When the stand pipe 120 is in the folded position, as shown in fig. 11, the free end of the first top member 131 is inserted through the communication opening 116 to cooperate with the avoidance recess 121, and the first top member 131 cooperates with the avoidance recess 121 to place the stand pipe 120 in the folded position. It should be noted that when the stand pipe 120 is in the folded position, the first top member 131 locks the stand pipe 120 in the folded position, and a user can directly lift the stand pipe 120, so that an additional locking structure is not required, and the structure of the folding device can be simplified. When the stand pipe 120 is switched between the folded position and the unfolded position, as shown in fig. 13, the first and second head members 131 and 132 abut against each other. It is understood that the cooperation of the first and second top members 131 and 132 can be utilized to not only smoothly switch the stand pipe 120 between the unfolded state and the folded state, but also stably maintain the stand pipe 120 in the folded position.

As shown in fig. 12 and 13, a spring 113 is provided in the first mounting groove 112, and the spring 113 tends to drive the first top member 131 to move toward the communication opening 116. It is understood that the spring 113 may be in a compressed state at all times, so that the spring 113 may continuously urge the first head member 131. Thus, when the stand pipe 120 is switched to the folded state, the first top member 131 can be moved toward the communication port 116 by the spring 113, and the first top member 131 can be inserted into the escape recess 121 on the stand pipe 120, so that the stand pipe 120 can be locked in the folded position by the first top member 131.

As shown in fig. 8, the second top member 132 may be a ring member having an opening, and the inner ring of the second top member 132 has a positioning notch 133. Referring to fig. 7 and 13, a convex pillar 115 is disposed in the second mounting groove 114, the convex pillar 115 is inserted into the positioning notch 133, and the second top member 132 rotates around the convex pillar 115. It can be understood that the protruding pillar 115 is disposed through the positioning notch 133, and can provide a rotating shaft structure for the rotation of the second top member 132. Thereby, the second top 132 can be more stably rotated around the stud 115. Further, the second top member 132 may be located between the bottom wall of the second mounting groove 114 and the end of the vertical pipe 120, that is, the second top member 132 may be sandwiched between the bottom wall of the second mounting groove 114 and the end of the vertical pipe 120, so that the stability of the movement of the second top member 132 may be further improved, and thus the stability and the fluency of the switching between the folded position and the unfolded position of the vertical pipe 120 may be improved.

Further, as shown in fig. 10 and 11, the stand pipe 120 has a boss 123. As shown in fig. 13, when the stand pipe 120 is in the folded position, the boss 123 of the stand pipe 120 is located at a position corresponding to the area of the dotted line frame a shown in fig. 13; when the riser 120 is in the deployed position, the boss 123 of the riser 120 is located at a position corresponding to the area of the dashed box B shown in fig. 13.

As shown in fig. 10 and 13, the two opposite ends of the opening of the second top member 132 are a first end 134 and a second end 135, when the riser 120 is switched from the folded position to the unfolded position, the boss 123 abuts against the first end 134, and the boss 123 pushes the second top member 132 to rotate around the convex column 115 by a small angle along the first direction (the direction shown by the arrow α in fig. 13), the second top member 132 pushes the first top member 131, so that the first top member 131 moves towards the inside of the first mounting groove 112 until the first top member 131 exits from the avoidance recess 121, at this time, the riser 120 is separated from the first top member 131, the riser 120 can rotate, and when the riser 120 rotates continuously, the partial surface of the end of the riser 120 except the avoidance recess 121 abuts against the first top member 131 continuously, so that the first top member 131 is positioned in the first mounting groove 112 continuously;

when the riser 120 is to be switched from the unfolded position to the folded position, the boss 123 abuts against the second end 135, and the boss 123 pushes the second top member 132 to rotate around the convex column 115 in a second direction (the direction indicated by the arrow β in fig. 13), the second top member 132 is disengaged from the first top member 131, and the first top member 131 is adapted to be inserted into the escape recess 121 to lock the riser 120 in the folded position, where the first direction is opposite to the second direction.

Referring to fig. 3 and 5, the folding device further includes an end cover 150, the end cover 150 is fixedly connected to the mounting portion 111, the end cover 150 has a pivot shaft 151, the pivot shaft 151 is disposed through the bottom wall of the second mounting groove 114 and the end of the stand pipe 120, and the stand pipe 120 rotates around the pivot shaft 151. The locking assembly 140 is fixed to the end cover 150, the locking assembly 140 includes a locked state and an unlocked state, and when the locking assembly 140 is in the locked state, part of the locking assembly 140 is inserted into the end of the stand pipe 120 to fix the stand pipe 120 in the deployed state; when the locking assembly 140 is in the unlocked state, as shown in FIG. 6, the locking assembly 140 is disengaged from the riser 120. In some examples, the mounting portion 111 is provided with a mounting hole 117 through which a screw passes, and the screw passes through the end cap 150 and is inserted through the mounting hole 117, so that the end cap 150 can be fixed to the mounting portion 111 by the screw. Here, the end cap 150, the end of the stand pipe 120, the second top member 132, and the bottom wall of the second mounting groove 114 may be sequentially stacked.

As shown in fig. 7 and 12, the top stop assembly 130 may further include a torsion spring 145, one end of the stand pipe 120 has a first bayonet 122, and one end of the torsion spring 145 is clamped with an edge of the first bayonet 122; the pivot shaft 151 has a second bayonet 152, and the other end of the torsion spring 145 is clamped with the edge of the second bayonet 152. It should be noted that the vertical pipe 120 can be switched from the folded position to the unfolded position under the action of the force of the torsion spring 145, so that the vertical pipe 120 can be automatically unfolded by the elastic force of the torsion spring 145, and the user can be assisted to unfold the vertical pipe 120, which is convenient for the user to operate.

Further, as shown in fig. 6, the locking assembly 140 may include a fixing portion 141 and an insertion portion 143, wherein the fixing portion 141 is fixedly disposed on the end cover 150. For example, the fixing portion 141 and the end cap 150 may be fixedly connected by a screw. The insertion part 143 is movably connected with the fixing part 141, when the locking assembly 140 is in a locking state, as shown in fig. 3, the insertion part 143 is inserted into the fixing part 141, and the insertion part 143 is inserted into the stand pipe 120; when the locking assembly 140 is in the unlocked state, as shown in fig. 5 and 6, the insertion portion 143 is disengaged from the fixing portion 141, and the insertion portion 143 is disengaged from the stand pipe 120. Further, as shown in fig. 6, one of the insertion part 143 and the fixing part 141 has an insertion tooth 142, and the other has an insertion groove 144, and when the locking assembly 140 is in the locked state, the insertion tooth 142 is inserted into and engaged with the insertion groove 144, so that the insertion tooth 142 and the insertion groove 144 can be stably engaged together, and the locking performance of the locking assembly 140 can be improved, and the stand pipe 120 can be stably maintained in the deployed position; when the locking assembly 140 is in the unlocked state, the insertion tooth 142 is disengaged from the insertion groove 144.

The process of switching the electric scooter 100 between the unfolded state and the folded state according to the embodiment of the present invention is described in detail below with reference to fig. 1 to 13.

The initial state of the electric scooter 100 is preset to be a folded state, and the stand pipe 120 is at the folded position.

When the riser 120 is in the folded position: as shown in fig. 12, the first top member 131 cooperates with the avoiding recess 121 of the stand pipe 120 to fix the stand pipe 120 and the front fork 110 relatively, i.e., the first top member 131 locks the stand pipe 120 in the folded position;

when the riser 120 is switched from the folded position to the unfolded position: the vertical pipe 120 is pushed in the direction of the arrow α in fig. 13, and the vertical pipe 120 is rotated by a predetermined angle, when the vertical pipe 120 rotates by the predetermined angle, the boss 123 of the vertical pipe 120 abuts against the first end 134 of the second top member 132, and pushes the second top member 132 to rotate around the protruding pillar 115, and when the vertical pipe 120 rotates by the predetermined angle, the second top member 132 pushes the first top member 131 to exit from the communication port 116, and the first top member 131 is separated from the avoiding recess 121. Under the driving of the torsion spring 145, the vertical pipe 120 rotates towards the unfolding position along the direction shown by the arrow beta in fig. 13, the surface of the end part of the vertical pipe 120 except the position of avoiding the recess 121 is stopped with the first top piece 131, and at the moment, the first top piece 131 is kept in the first mounting groove 112 until the vertical pipe 120 rotates to the unfolding position;

when the riser 120 is in the deployed position: the locking assembly 140 may be secured to the riser 120 through an end cap 150, and the locking assembly 140 may retain the riser 120 in the deployed position. It should be noted that, the end of the stand pipe 120 may be provided with the positioning hole 124, and the insertion portion 143 of the locking assembly 140 is engaged with the fixing portion 141, that is, the locking assembly 140 is in a locked state, and the insertion portion 143 is inserted into the positioning hole 124, so that the stand pipe 120 may be locked in the unfolded position by using the locking assembly 140.

When the riser 120 is switched from the deployed position to the folded position: the insertion part 143 of the locking assembly 140 is pulled out to switch the locking assembly 140 to the unlocked state, the insertion part 143 is separated from the stand pipe 120, the stand pipe 120 is rotated to rotate the stand pipe 120 to the folded position, when the stand pipe 120 rotates to the folded position, the boss 123 of the stand pipe 120 abuts against the second end 135 of the second top member 132 to reversely rotate the second top member 132 and separate from the first top member 131, the avoiding recess 121 is opposite to the communication port 116, the first top member 131 extends into the avoiding recess 121, and at this time, the first top member 131 can lock the stand pipe 120 at the folded position.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A folding apparatus, comprising:

the front fork is provided with a mounting part at one end;

a stem having one end rotatably connected to one end of the fork and being switchable between a folded position and an unfolded position relative to the fork;

the top stop assembly is arranged on the mounting part and is matched with the stand pipe so as to drive or prevent the stand pipe from being switched between the folding position and the unfolding position;

a locking assembly that cooperates with the front fork, the riser when the riser is in a deployed position to lock the riser in the deployed position.

2. The folding apparatus of claim 1 wherein the end of the riser connected to the front fork has an escape recess;

the mounting part is provided with a first mounting groove and a second mounting groove, the mounting part is provided with a communication port, the first mounting groove and the second mounting groove are communicated through the communication port, and the vertical pipe is positioned in the second mounting groove relative to a rotating shaft of the front fork;

the jacking assembly comprises a first jacking piece and a second jacking piece, the first jacking piece is movably arranged in the first mounting groove, and the second jacking piece is rotatably arranged in the second mounting groove;

when the vertical pipe is in the folding position, the free end of the first ejector piece penetrates through the communication opening to be matched with the avoiding recess, and the first ejector piece is matched with the avoiding recess to enable the vertical pipe to be in the folding position;

when the stand pipe is switched between the folded position and the unfolded position, the first top piece and the second top piece are abutted against each other.

3. The folding apparatus as claimed in claim 2, further comprising an end cap fixedly connected to the mounting portion, the end cap having a pivot shaft, the pivot shaft passing through a bottom wall of the second mounting groove and an end of the stand pipe, the stand pipe rotating around the pivot shaft.

4. The folding device of claim 3 wherein said locking assembly is secured to said end cap, said locking assembly including a locked state and an unlocked state,

when the locking assembly is in the locking state, part of the locking assembly is inserted into the end part of the stand pipe;

when the locking assembly is in the unlocked state, the locking assembly is disengaged from the riser.

5. The folding device of claim 4, wherein said locking assembly comprises:

the fixing part is fixedly arranged on the end cover;

an inserting part movably connected with the fixing part,

when the locking assembly is in the locking state, the insertion part is in insertion fit with the fixing part and is inserted into the vertical pipe;

when the locking assembly is in the unlocked state, the insertion part is disengaged from the stand pipe.

6. A folding apparatus in accordance with claim 5, wherein one of said insertion part and said fixing part has an insertion tooth and the other has an insertion groove,

when the locking assembly is in the locking state, the insertion tooth is in insertion fit with the insertion groove;

when the locking assembly is in the unlocking state, the insertion tooth is separated from the insertion groove.

7. The folding device of claim 3, wherein said top stop assembly further comprises a torsion spring,

one end of the vertical pipe is provided with a first bayonet, and one end of the torsion spring is clamped with the edge of the first bayonet;

the pivot axle has the second bayonet socket, the other end of torsional spring with the edge joint of second bayonet socket.

8. The folding apparatus of claim 2 wherein a spring is disposed within said first mounting slot, said spring urging said first top member toward said communication port.

9. The folding device of claim 2, wherein the second top member is a ring-shaped member having an opening, an inner ring of the second top member having a positioning notch,

the second mounting groove is internally provided with a convex column, the convex column is inserted into the positioning gap, and the second ejecting piece rotates around the convex column.

10. The folding apparatus of claim 9, wherein the stand pipe has a boss,

two opposite ends of the opening of the second top piece are a first end and a second end,

when the vertical pipe is switched from the folding position to the unfolding position, the boss is abutted against the first end, the boss pushes the second top piece to rotate around the convex column along a first direction, and the second top piece pushes the first top piece so as to enable the first top piece to move towards the inside of the first mounting groove until the first top piece is withdrawn from the avoiding recess;

when the stand pipe is switched from the unfolding position to the folding position, the boss abuts against the second end, the boss pushes the second top piece to rotate around the convex column along a second direction, the second top piece is separated from the first top piece, the first top piece is suitable for being inserted into the avoiding recess to lock the stand pipe in the folding position, and the first direction is opposite to the second direction.

11. An electric scooter, characterized in that it comprises a folding device according to any one of claims 1-10.

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