CN218751196U - Handlebar vertical folding mechanism and scooter - Google Patents

Abstract

The utility model discloses a found folding mechanism and car of riding instead of walk, including the base to found folding mechanism, folding seat, the spanner, the retaining member, first elastic component and support piece, folding seat links to each other with the base and can pivot between expansion position and folding position, the spanner links to each other with the base and can pivot between first locking position and unblock position, spacing face has on the folding seat, the retaining member links to each other with the spanner movablely, one in retaining member and the folding seat is equipped with the draw-in groove, another is equipped with the arch, retaining member and spanner are connected to first elastic component, first elastic component oppresses the retaining member towards the direction of protruding cooperation in the draw-in groove, support piece links to each other with the spanner, in folding seat in expansion position, and the spanner is located first locking position, protruding cooperation is in the draw-in groove, support piece supports spacing face so that stop spanner towards unblock position rotation. The utility model provides a have simple structure, with low costs and the laborsaving advantage of operation to standing folding mechanism.

Description

Handlebar vertical folding mechanism and scooter

Technical Field

The utility model relates to a scooter technical field, concretely relates to standing folding mechanism and car of riding instead of walk.

Background

A travel tool such as a scooter is generally provided with a foldable part between a handlebar and a scooter body for convenient carrying, however, a handlebar standing and folding mechanism in the related art has the defects of complex structure, high cost and time and labor waste in handlebar standing and folding.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides a standing folding mechanism, should have simple structure, with low costs and the laborsaving advantage of operation standing folding mechanism.

The embodiment of the utility model also provides a car of riding instead of walk.

The standing folding mechanism comprises a base, a folding seat, a wrench, a locking part, a first elastic part and a supporting part, wherein the folding seat is connected with a vertical pipe, and is connected with the base and can pivot between an unfolding position and a folding position; the wrench is connected with the base and can pivot between a first locking position and an unlocking position, and the folding seat is provided with a limiting surface; the locking piece is movably connected with the wrench, one of the locking piece and the folding seat is provided with a clamping groove, the other of the locking piece and the folding seat is provided with a projection, and the projection is matched in the clamping groove when the folding seat is positioned at the unfolding position and the wrench is positioned at the first locking position; the first elastic piece is connected with the locking piece and the wrench, and the first elastic piece presses the locking piece towards the direction that the protrusion is matched in the clamping groove; the support piece is connected with the wrench, the folding seat is located at the unfolding position, and when the wrench is located at the first locking position, the support piece presses against the limiting surface so as to prevent the wrench from rotating towards the unlocking position.

According to the utility model discloses to found folding mechanism, will fold the seat by folding position pivot to the exhibition position after, with spanner pivot to first locking position again, arch and draw-in groove block this moment realize folding seat in the locking of expansion position from this, to found folding mechanism's simple structure, it is with low costs. Moreover, when the wrench is pivoted to the first locking position, the support piece rotates around the pivot axis of the wrench and finally presses against the limiting surface of the folding seat, the interaction force and the friction force between the support piece and the limiting surface effectively avoid the phenomenon that the wrench rotates towards the unlocking position by mistake to cause the wrong rotation of the folding seat, so that the locking reliability of the folding seat at the unfolding position is ensured, and the rotation operation of the wrench towards the first locking position is more labor-saving.

In some embodiments, the folding seat includes a main body portion and a connecting portion, the main body portion is used for being connected to a riser, the connecting portion is located on one side of the main body portion in a radial direction of the riser, and the limiting surface is disposed on the connecting portion and perpendicular to an axial direction of the riser.

In some embodiments, the connecting portion has a first end connected to the main body portion and a second end far away from the main body portion, a stopping portion extending along the direction of the limiting surface is disposed on the connecting portion, the stopping portion is adjacent to the second end of the connecting portion, and an outer surface of the stopping portion is an arc surface and is smoothly connected with the limiting surface.

In some embodiments, the standing folding mechanism further comprises a second resilient member connecting the wrench and the base, the second resilient member urging the wrench toward the first locked position.

In some embodiments, the wrench further has a second locking position between the first locking position and the unlocking position, the slot including a first slot and a second slot, the protrusion fitting within the first slot when the wrench is in the first locking position and the protrusion fitting within the second slot when the wrench is in the second locking position, wherein the second resilient member is configured to urge the wrench to the second locking position when the folding seat is in the unfolded position.

In some embodiments, the protrusion is provided with a first guiding inclined plane for facilitating the protrusion to be fitted in the first clamping groove and the second clamping groove.

In some embodiments, the locking member includes a hook, the hook is slidably connected to the wrench, the first engaging groove and the second engaging groove are formed on the hook, the protrusion is disposed on the folding seat, and the hook is provided with a second guiding inclined plane for the protrusion to fit in the first engaging groove and the second engaging groove.

In some embodiments, the handle folding mechanism further comprises a sliding block, a sliding way is arranged on one side of the wrench, which is far away from the folding seat, the sliding block is slidably fitted in the sliding way and at least partially protrudes out of the wrench, the sliding block is connected with the hook, and the sliding direction of the sliding block is consistent with that of the hook.

In some embodiments, the first elastic member includes a first spring, the first spring is located in the slideway, an axial direction of the first spring is consistent with a length direction of the slideway, a first end of the first spring is connected with a portion of the sliding block, which is fitted in the slideway, and a second end of the first spring abuts against a wall of the slideway.

In some embodiments, the locking member includes a locking rod, the locking rod is pivotally connected to the wrench, the protrusion is disposed at a first end of the locking rod, the first engaging groove and the second engaging groove are disposed on the folding seat, and a third guiding inclined plane is disposed on the folding seat, so that the protrusion fits in the first engaging groove and the second engaging groove.

In some embodiments, a middle portion of the locking lever is pivotally connected to the wrench, a second end of the locking lever is spaced apart from the wrench, and the first elastic member includes a second spring interposed between the second end of the locking lever and the wrench.

In some embodiments, the support member has a contact surface contacting with the limiting surface in an attaching manner, a strip-shaped hole is formed in the support member, the standing and folding mechanism further comprises a locking bolt and an adjusting bolt, the length direction of the strip-shaped hole is consistent with the axial direction of the adjusting bolt and is perpendicular to the contact surface, the locking bolt penetrates through the strip-shaped hole and is connected with the wrench thread, and the adjusting bolt is connected with the wrench thread and abuts against one side of the support member, which deviates from the contact surface.

The scooter provided by the utility model comprises the vertical folding mechanism as described in any one of the above embodiments.

According to the utility model discloses the technical advantage of the car of riding instead of walk is the same with the technical advantage of the folding mechanism of standing of above-mentioned embodiment, and this is no longer described.

Drawings

Fig. 1 is a schematic view of a handle folding mechanism according to an embodiment of the present invention, wherein a folding seat is in an unfolded position.

Fig. 2 is a schematic view of a standing folding mechanism according to an embodiment of the present invention, wherein the folding seat is in a folded position.

Fig. 3 is a cross-sectional view of a standing folding mechanism according to an embodiment of the present invention.

Fig. 4 is an exploded view of a standing folding mechanism according to an embodiment of the present invention.

Fig. 5 is another cross-sectional view of the standing folding mechanism according to an embodiment of the invention, wherein the wrench is in the second locking position.

Fig. 6 is yet another cross-sectional view of the standing folding mechanism according to an embodiment of the invention, wherein the wrench is in the first locking position.

Fig. 7 is another schematic view of a handle folding mechanism according to an embodiment of the present invention, wherein the folding seat is in the unfolded position.

Fig. 8 is another cross-sectional view of a standing folding mechanism according to an embodiment of the present invention.

Fig. 9 is a schematic view of a folding seat in the standing folding mechanism according to an embodiment of the present invention.

Reference numerals are as follows:

100. a handle vertical folding mechanism; 1. a base; 2. a folding seat; 21. a main body portion; 22. a connecting portion; 221. a limiting surface; 222. a stopper portion; 223. a protrusion; 224. a first guide slope; 225. a third guide slope; 3. a wrench; 4. a locking member; 41. hooking; 411. a first card slot; 412. a second card slot; 413. a second guide slope; 42. a locking lever; 5. a first elastic member; 51. a first spring; 52. a second spring; 6. a support member; 61. a strip-shaped hole; 7. a second elastic member; 8. a slider; 9. locking the bolt; 10. and adjusting the bolt.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A standing folding mechanism 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 9.

The standing folding mechanism 100 according to the embodiment of the present invention includes a base 1, a folding seat 2, a wrench 3, a locking member 4, a first elastic member 5, and a supporting member 6. A folding seat 2 is provided for connection to the riser, the folding seat 2 being connected to the base 1 and pivotable between an unfolded position and a folded position.

The wrench 3 is connected with the base 1 and can pivot between a first locking position and an unlocking position, and the folding seat 2 is provided with a limiting surface 221. The locker 4 is movably coupled to the wrench 3, one of the locker 4 and the folding base 2 is provided with a catching groove, and the other of the locker 4 and the folding base 2 is provided with a projection 223. When the folding seat 2 is in the unfolded position and the wrench 3 is in the first locking position, the protrusion 223 fits into the slot. Thereby achieving locking of the folding seat 2 in the unfolded position.

The first elastic member 5 connects the locker 4 and the wrench 3, and the first elastic member 5 presses the locker 4 toward the direction in which the projection 223 is fitted into the catching groove. Namely, the first elastic member 5 effectively prevents the protrusion 223 from disengaging from the slot, and prevents the folding seat 2 from being switched to the folding position by mistake. When it is desired to fold the riser, the wrench 3 needs to be pivoted to unlock the folding seat 2 by manually driving the projection 223 out of the catch.

Support member 6 is connected with spanner 3, and when folding seat 2 was located the expansion position, and spanner 3 was located first locking position, support member 6 pressed spacing face 221 so that prevent spanner 3 to rotate towards the unblock position. The supporting piece 6 is pressed against the limiting surface 221 through deformation, and the supporting piece 6 and the wrench 3 are locked through interaction force and friction force between the supporting piece 6 and the limiting surface 221.

According to the utility model discloses to standing folding mechanism 100, will fold seat 2 by folding position pivot to the exhibition position after, again with spanner 3 pivot to first locking position, arch 223 and draw-in groove block this moment realize folding seat 2 at the locking of expansion position, stand folding mechanism 100's simple structure, it is with low costs. Moreover, when the wrench 3 pivots to the first locking position, the supporting member 6 rotates around the pivot axis of the wrench 3 and is finally pressed against the limiting surface 221 of the folding seat 2, and the interaction force and the friction force between the supporting member 6 and the limiting surface 221 effectively prevent the wrench 3 from rotating towards the unlocking position by mistake to cause the wrong rotation of the folding seat 2, thereby ensuring the locking reliability of the folding seat 2 at the unfolding position and saving more labor for the rotating operation of the wrench 3 towards the first locking position.

It should be noted that the locker 4 is movably coupled to the wrench 3, and that the locker 4 may be coupled to the wrench 3 by any one of rotating, sliding, rolling, swinging and hinge coupling.

In some embodiments, as shown in fig. 3 and 4, the folding seat 2 includes a main body portion 21 and a connecting portion 22, the main body portion 21 is used for connecting with the riser, the connecting portion 22 is located on one side of the main body portion 21 in the radial direction of the riser, and the limiting surface 221 is disposed on the connecting portion 22 and perpendicular to the axial direction of the riser.

Therefore, in the process of pivoting the wrench 3 toward the first locking position, the supporting member 6 and the connecting portion 22 slide relative to each other and deform until the wrench 3 pivots to the first locking position, and the supporting member 6 substantially restores to its original shape and presses against the limiting surface 221. The limit surface 221 realizes the stop of the support piece 6, and the spanner 3 is prevented from rotating by mistake. Moreover, the wrench 3 is locked by the deformation of the supporting member 6 and the pressing of the limiting surface 221, and the force for the user to pivot the wrench 3 to the first locking position and from the first locking position to the unlocking position is smaller, so that the operation of the standing folding mechanism 100 is more labor-saving.

In some embodiments, as shown in fig. 4 and 5, the connecting portion 22 has a first end connected to the main body portion 21 and a second end far away from the main body portion 21, a stopping portion 222 extending along the direction of the limiting surface 221 is disposed on the connecting portion 22, the stopping portion 222 is adjacent to the second end of the connecting portion 22, and an outer surface of the stopping portion 222 is an arc surface and is smoothly engaged with the limiting surface 221.

Therefore, the outer surfaces of the supporting member 6 and the stopping portion 222 slide relatively and then press against the limiting surface 221, and at this time, the deformation of the supporting member 6 when passing through the stopping portion 222 is larger. Therefore, after the supporting member 6 abuts against the limiting surface 221, the supporting member 6 can be separated from the limiting surface 221 only by applying a larger force to the wrench 3, so as to unlock the folding seat 2, and therefore the locking reliability of the folding seat 2 at the unfolding position is higher.

In some embodiments, as shown in fig. 4, the handlebar folding mechanism 100 further comprises a second elastic member 7, the second elastic member 7 connects the wrench 3 and the base 1, and the second elastic member 7 presses the wrench 3 toward the first locking position.

The second elastic component 7 is a torsion spring, the wrench 3 is pivotally connected with the base 1 through a pivot, the torsion spring is sleeved on the pivot, the first end of the torsion spring is connected with the wrench 3, and the second end of the torsion spring is connected with the base 1. The torsion spring always gives the spanner 3 the impetus that moves to first locking position, and therefore spanner 3 is more difficult for the mistake to rotate, and folding seat 2 is higher at the locking reliability of expansion position.

In some embodiments, as shown in fig. 3-6, the wrench 3 further has a second locking position between the first locking position and the unlocking position, and the card slot includes a first card slot 411 and a second card slot 412. When the wrench 3 is located at the first locking position, the projection 223 fits in the first card slot 411. When the wrench 3 is located at the second locking position, the projection 223 fits in the second catching groove 412. Wherein the second elastic element 7 is used to push the wrench 3 to the second locking position when the folding seat 2 is in the unfolded position.

Namely, during the process of pivoting the folding seat 2 from the folding position to the unfolding position, the folding seat 2 and the wrench 3 slide relatively to move the wrench 3 to the unlocking position. When the folding seat 2 moves to the unfolding position, the wrench 3 reaches the unlocking position, and then the wrench 3 is driven by the second elastic element 7 to pivot in the opposite direction to the second locking position, so that the protrusion 223 fits in the second clamping groove 412, thereby realizing the primary locking of the folding seat 2 in the unfolding position and meeting the design standard of the foldable scooter.

In some embodiments, as shown in fig. 4-6, the protrusion 223 is provided with a first guiding slope 224 for facilitating the protrusion 223 to fit into the first slot 411 and the second slot 412.

That is, when the wrench 3 rotates towards the first locking position, the locking member 4 slides relative to the folding seat 2 through the first guiding inclined plane 224, so that the locking member 4 can move relative to the wrench 3 to engage the protrusion 223 in the second engaging groove 412, disengage the second engaging groove 412 and engage in the first engaging groove 411.

In some embodiments, as shown in fig. 3, retaining member 4 includes a hook 41, and hook 41 is slidably coupled to wrench 3. The hook 41 is formed with a first locking groove 411 and a second locking groove 412, the protrusion 223 is disposed on the folding seat 2, and the hook 41 is provided with a second guiding inclined surface 413 for the protrusion 223 to fit in the first locking groove 411 and the second locking groove 412.

Therefore, when the second guiding inclined surface 413 and the first guiding inclined surface 224 slide relatively, they are substantially parallel to each other, so as to further facilitate the movement of the hook 41 to complete the engagement of the protrusion 223 and the first card slot 411/the second card slot 412.

Specifically, as shown in fig. 4 to 6, the sliding direction of the hook 41 is the same as the length direction of the wrench 3, and when the wrench 3 is located at the first locking position, the first engaging groove 411 and the second engaging groove 412 are both opened downward. When the first guide slope 224 and the second guide slope 413 slide relative to each other, the protrusion 223 drives the locking member 4 to slide upward relative to the wrench 3.

In some embodiments, the handlebar folding mechanism 100 further includes a sliding block 8, a side of the wrench 3 facing away from the folding seat 2 is provided with a sliding way, the sliding block 8 is slidably fitted in the sliding way and at least partially protrudes out of the wrench 3, the sliding block 8 is connected to the hook 41, and a sliding direction of the sliding block 8 is consistent with a sliding direction of the hook 41.

The part of slider 8 protrusion outside spanner 3 is located one side that spanner 3 deviates from folding seat 2, is in the part outside spanner 3 through drive slider 8, can drive locking piece 4 and move up and deviate from first draw-in groove 411 or second draw-in groove 412, and the spanner 3 pivot of being convenient for from this is to the unblock position, realizes the unblock to folding seat 2, and folding seat 2 is changeable to folding position. That is, the locking member 4 cannot automatically disengage from the first locking groove 411 and the second locking groove 412 along with the pivoting of the wrench 3 to the unlocking position, and the unlocking of the folding seat 2 can be realized only by moving the sliding block 8 and pivoting the wrench 3, and the locking reliability of the folding seat 2 at the unfolding position is high.

Specifically, as shown in fig. 4, the slider 8 is connected to the hook 41 by a bolt, and at least a part of the slider 8 is slidably fitted in the slide, thereby achieving the mounting of the hook 41 and the slider 8 on the wrench 3.

In some embodiments, the first elastic element 5 comprises a first spring 51, the first spring 51 is located in the slideway, the axial direction of the first spring 51 is consistent with the length direction of the slideway, a first end of the first spring 51 is connected with the part of the slide block 8, which is matched in the slideway, and a second end of the first spring 51 is stopped against the wall of the slideway.

Specifically, the upper end of the first spring 51 abuts against the top wall of the slide, and the lower end of the first spring 51 abuts against the portion of the slider 8 that fits within the slide.

In some embodiments, as shown in fig. 7 to 9, the locking member 4 includes a locking bar 42, the locking bar 42 is pivotally connected to the wrench 3, a protrusion 223 is disposed at a first end of the locking bar 42, the first locking groove 411 and the second locking groove 412 are disposed on the folding seat 2, and a third guiding inclined plane 225 is disposed on the folding seat 2 for facilitating the protrusion 223 to be fitted into the first locking groove 411 and the second locking groove 412.

Thus, when the locking lever 42 slides relative to the folding seat 2, the locking lever 42 is pivoted relative to the wrench 3 under the guidance of the third guiding inclined plane 225 so that the protrusion 223 of the locking lever 42 is fitted into the second locking groove 412/the first locking groove 411.

In some embodiments, a middle portion of the lock lever 42 is pivotally connected to the wrench 3, a second end of the lock lever 42 is spaced apart from the wrench 3, and the first elastic member 5 includes a second spring 52, and the second spring 52 is interposed between the second end of the lock lever 42 and the wrench 3.

Therefore, the second spring 52 also provides a driving force for normally fitting the protrusion 223 into the first locking groove 411/the second locking groove 412, so as to ensure the locking reliability of the folding seat 2 at the unfolding position, and the protrusion 223 can be separated from the first locking groove 411/the second locking groove 412 by pressing the second end of the locking rod 42 towards the wrench 3, so that the unlocking operation of the folding seat 2 is time-saving and labor-saving.

In some embodiments, as shown in fig. 4, the supporting member 6 has a contact surface contacting with the limiting surface 221, and the supporting member 6 is provided with a strip-shaped hole 61. The handlebar vertical folding mechanism 100 further comprises a locking bolt 9 and an adjusting bolt 10, and the length direction of the strip-shaped hole 61 is consistent with the axial direction of the adjusting bolt 10 and is perpendicular to the contact surface. The locking bolt 9 passes through the strip-shaped hole 61 and is in threaded connection with the wrench 3, and the adjusting bolt 10 is in threaded connection with the wrench 3 and rests against the side of the support 6 facing away from the contact surface.

When the folding seat 2 is located at the unfolding position and the wrench 3 is located at the first locking position, the screwing length of the adjusting bolt 10 on the wrench 3 can be adjusted to adjust the pressing force between the contact surface of the supporting member 6 and the limiting surface 221, so that the force for pivoting the wrench 3 at the first locking position can be adjusted, and labor-saving operation of different passengers on the folding seat 2 can be met.

The scooter according to an embodiment of the present invention includes the standing folding mechanism 100 according to any of the above embodiments.

According to the utility model discloses the technical advantage of the car of riding instead of walk is the same with the technical advantage of the folding mechanism 100 of standing of above-mentioned embodiment, and will not be repeated here.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (13)

1. A handlebar stem folding mechanism, comprising:

a base and a folding seat for connection to a riser, the folding seat being connected to the base and pivotable between an unfolded position and a folded position;

the wrench is connected with the base and can pivot between a first locking position and an unlocking position, and the folding seat is provided with a limiting surface;

a locking member movably connected with the wrench, one of the locking member and the folding seat is provided with a catch, the other of the locking member and the folding seat is provided with a projection, and the projection is matched in the catch when the folding seat is in the unfolding position and the wrench is in the first locking position;

the first elastic piece is connected with the locking piece and the wrench, and presses the locking piece towards the direction in which the protrusion is matched in the clamping groove; and

the support piece is connected with the wrench, the folding seat is located at the unfolding position, and when the wrench is located at the first locking position, the support piece presses against the limiting surface so as to prevent the wrench from rotating towards the unlocking position.

2. A handlebar folding mechanism according to claim 1, characterised in that said folding seat comprises a main body portion for connection to a riser and a connecting portion located on one side of said main body portion in the radial direction of said riser, said stop surface being provided on said connecting portion and perpendicular to the axial direction of said riser.

3. The handlebar folding mechanism according to claim 2, characterized in that the connecting part has a first end connected to the main body part and a second end far away from the main body part, the connecting part is provided with a stopping part extending along the direction of the limiting surface, the stopping part is adjacent to the second end of the connecting part, and the outer surface of the stopping part is a cambered surface and smoothly connected with the limiting surface.

4. A handlebar folding mechanism as claimed in any one of claims 1 to 3, characterized in that it further comprises a second elastic element connecting the wrench and the base, the second elastic element forcing the wrench towards the first locking position.

5. A handlebar folding mechanism according to claim 4 and characterised in that said wrench also has a second locking position between said first locking position and said unlocking position, said catch comprising a first catch in which said projection fits when said wrench is in said first locking position and a second catch in which said projection fits when said wrench is in said second locking position, wherein said second elastic member is adapted to urge said wrench to said second locking position when said folding seat is in said unfolding position.

6. A handle folding mechanism according to claim 5 wherein said projection is provided with a first guide ramp to facilitate engagement of said projection in said first and second detents.

7. A handle folding mechanism according to claim 5, wherein said locking member comprises a hook slidably connected to said wrench, said hook having said first and second engaging grooves formed thereon, said projection being provided on said folding base, said hook having a second guiding inclined surface for facilitating engagement of said projection in said first and second engaging grooves.

8. The handlebar folding mechanism according to claim 7 is characterized by further comprising a sliding block, a sliding way is arranged on one side of the wrench, which is away from the folding seat, the sliding block is slidably matched in the sliding way and at least partially protrudes out of the wrench, the sliding block is connected with the hook, and the sliding direction of the sliding block is consistent with that of the hook.

9. The handlebar folding mechanism according to claim 8, characterized in that said first elastic member comprises a first spring, said first spring is positioned in said slide way, the axial direction of said first spring is consistent with the length direction of said slide way, the first end of said first spring is connected with the part of said slide block fitted in said slide way, and the second end of said first spring is stopped against the wall of said slide way.

10. The handlebar folding mechanism according to claim 5, characterized in that the locking member comprises a locking lever pivotally connected to the wrench, the protrusion is provided at a first end of the locking lever, the first notch and the second notch are provided in a folding seat, and a third guiding inclined plane is provided on the folding seat for facilitating the protrusion to fit in the first notch and the second notch.

11. The handlebar folding mechanism of claim 10 wherein a middle portion of the lock lever is pivotally connected to the wrench, a second end of the lock lever is spaced from the wrench, and the first resilient member includes a second spring interposed between the second end of the lock lever and the wrench.

12. The standing folding mechanism according to claim 1, wherein the supporting member has a contact surface contacting with the limiting surface in a fitting manner, the supporting member is provided with a strip-shaped hole, the standing folding mechanism further comprises a locking bolt and an adjusting bolt, the length direction of the strip-shaped hole is consistent with the axial direction of the adjusting bolt and is perpendicular to the contact surface, the locking bolt penetrates through the strip-shaped hole and is connected with the wrench thread, and the adjusting bolt is connected with the wrench thread and abuts against one side of the supporting member, which is away from the contact surface.

13. A scooter comprising a handlebar folding mechanism as claimed in any one of claims 1 to 12.

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