CN216887070U - Folding lock subassembly and car of riding instead of walk - Google Patents

Abstract

The utility model discloses a folding lock assembly and a scooter, which comprise a first seat, a second seat, a wrench and a locking piece, wherein the first seat is suitable for being connected with a vertical pipe; the wrench is rotatably connected with one of the first seat and the second seat, the locking piece is connected with the other of the first seat and the second seat, a plurality of positioning grooves are formed in one of the wrench and the locking piece, and a positioning part is arranged on the other of the wrench and the locking piece and is suitable for being matched in different positioning grooves to enable the first seat and the second seat to be locked in multiple ways. The folding lock assembly is simple in structure and operation, folding operation can be achieved by unlocking the locking piece, multiple locking can be achieved, and using safety is improved.

Description

Folding lock subassembly and car of riding instead of walk

Technical Field

The utility model relates to the technical field of folding of a scooter, in particular to a folding lock assembly and a scooter applying the same.

Background

The scooter such as the electric scooter, the electrodynamic balance car is a kind of short distance tool of riding instead of walk, in order to facilitate the carrying and taking in of the scooter, the scooter is mostly the folding structure, namely the riser of the scooter can be swung relative to frame, thus can realize the folding of the scooter, in the related art, the folding of the scooter mostly adopts the way such as the lock of the nut to carry on the fixing of the position after the folding state switches over, however, the way that the nut locks has complex operation on the one hand, easy corrosion, cause inconvenience for the use of the female user, on the other hand, the nut is easy to become flexible because of shaking in the course of riding, has reduced the security that the scooter uses,

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least in part, one of the technical problems in the related art.

Therefore, the embodiment of the utility model provides a folding lock assembly which is simple in structure and operation, can realize folding operation by unlocking a locking piece, can realize multiple locking and improves the use safety.

The embodiment of the utility model also provides a scooter applying the folding lock assembly.

A fold lock assembly of an embodiment of the present invention includes: a first seat adapted to be connected to a riser and a second seat adapted to be connected to a front fork, the first seat and the second seat being rotatably connected such that the riser is collapsible; the wrench and the locking piece are rotatably connected with one of the first seat and the second seat, the locking piece is connected with the other of the first seat and the second seat, one of the wrench and the locking piece is provided with a plurality of positioning grooves, the other of the wrench and the locking piece is provided with a positioning part, and the positioning part is suitable for being matched in different positioning grooves so that the first seat and the second seat can be locked in multiple ways.

The folding lock assembly provided by the embodiment of the utility model is simple in structure and operation, can realize folding operation by unlocking the locking piece, can realize multiple locking, and improves the use safety.

In some embodiments, the locking member is a toggle button slidably disposed on the first seat or the second seat, and the toggle button is adapted to insert the positioning portion into the positioning slot or remove the positioning portion from the positioning slot by sliding movement.

In some embodiments, the folding lock assembly includes a first elastic member, one end of the first elastic member is connected to the locking member, and the other end of the first elastic member is connected to the first seat or the second seat, and the first elastic member is adapted to reset the toggle after the toggle slides.

In some embodiments, the fold lock assembly includes a guide provided on the first seat or the second seat, the first elastic member is a spring, the first elastic member is sleeved on an outer circumferential side of the guide, and the toggle is provided on the guide and movable along the guide.

In some embodiments, the wrench is provided with a protrusion, a plurality of positioning grooves are provided on the protrusion, and the plurality of positioning grooves are arranged at intervals along the extending direction of the protrusion.

In some embodiments, the fold lock assembly includes a linkage, the wrench being rotatably coupled to one of the first seat and the second seat, one end of the linkage being rotatably coupled to the other of the first seat and the second seat, the other end of the linkage being rotatably coupled to the wrench, the linkage, the first seat, the second seat, and the wrench forming a four bar linkage.

In some embodiments, a pivot is provided at one end of the connecting rod, the connecting rod is rotatably connected with the first seat or the second seat through the pivot, a limit groove is provided on the wrench, and the pivot is adapted to fit in the limit groove.

In some embodiments, the fold lock assembly includes a second resilient member disposed between the wrench and the first seat or between the wrench and the second seat, the second resilient member adapted to reset the wrench upon rotation of the wrench.

In some embodiments, a boss is provided on one of the first seat and the second seat, the boss being adapted to stop with the other of the first seat and the second seat when the first seat and the second seat are relatively rotated to limit the folding angle of the riser.

In some embodiments, the first seat is provided with a glue groove adapted to be filled with an adhesive to strengthen the connection of the riser and the first seat.

The scooter of the embodiment of the utility model comprises a folding lock assembly, wherein the folding lock assembly is the folding lock assembly in any one of the embodiments.

In some embodiments, the scooter comprises a seat tube connected to the first seat and a front fork connected to the second seat.

Drawings

Fig. 1 is a schematic view of a folding lock assembly of an embodiment of the present invention in a folded state.

Fig. 2 is an exploded view of the folding lock assembly of fig. 1.

Fig. 3 is a schematic view of the wrench of fig. 2.

Fig. 4 is a schematic view of the first resilient member and guide assembly of the folding lock assembly of fig. 2.

Fig. 5 is a schematic view of the links of the folding lock assembly of fig. 2.

Fig. 6 is an assembled view of the latch member of the folding lock assembly of fig. 1.

FIG. 7 is a link assembly schematic view of the folding lock assembly of FIG. 1.

Fig. 8 is a wrench rotation view of the fold lock assembly of fig. 1.

Fig. 9 is a schematic view of the detent of the folding lock assembly of fig. 1 engaged within the first detent.

Fig. 10 is a schematic view of the folding lock assembly of fig. 1 locking the riser in the riding condition.

Fig. 11 is a schematic view of the positioning portion of the folding lock assembly of fig. 1 engaged within the second positioning slot.

Fig. 12 is a schematic view of the positioning portion of fig. 1 being pulled out from the positioning groove.

Reference numerals:

a fold lock assembly 100;

a first seat 1; a glue tank 11;

a second seat 2; a boss 21;

a wrench 3; the projection 31; a positioning groove 32; the first positioning groove 321; a second positioning groove 322; a stopper groove 33;

a connecting rod 4; a pivot 41;

a first elastic member 5;

a guide 6;

a lock member 7; a positioning portion 71;

a second elastic member 8;

a first pivot shaft 9;

a second pivot axis 10;

a riser 200.

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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 12, a folding lock assembly 100 according to an embodiment of the present invention includes a first housing 1, a second housing 2, a wrench 3, and a locking member 7.

The first seat 1 is adapted to be connected to a riser 200, the second seat 2 is adapted to be connected to a front fork, and the first seat 1 and the second seat 2 are rotatably connected to allow the riser 200 to be folded. As shown in fig. 1, the first seat 1 may be disposed above the second seat 2, and a rear side of the first seat 1 may be rotatably connected to a rear side of the second seat 2 by a first pivot shaft 9, so that the first seat 1 may be folded back toward the rear side, and the switching of the stand pipe 200 between the riding position, in which the stand pipe 200 extends substantially in the up-down direction, and the folded position, in which the stand pipe 200 extends substantially in the front-back direction, may be achieved.

The first seat 1 may be connected to the stand pipe 200 of the scooter by means of screws, welding, etc., and the second seat 2 may be connected to the front fork by means of screws, welding, etc. From this, turn over through the book of first seat 1 and can realize turning over of riser 200, and then can realize the folding of car of riding instead of walk, made things convenient for and carried and accomodate.

The wrench 3 is rotatably connected with one of the first seat 1 and the second seat 2, the locking member 7 is connected with the other of the first seat 1 and the second seat 2, one of the wrench 3 and the locking member 7 is provided with a plurality of positioning grooves 32, the other is provided with a positioning part 71, and the positioning part 71 is suitable for enabling the first seat 1 and the second seat 2 to be locked in multiple ways by being matched in different positioning grooves 32.

Specifically, as shown in fig. 1, the wrench 3 may be disposed on the second seat 2, and the wrench 3 may be rotatably connected to the second seat 2 via the second pivot shaft 10, as shown in fig. 3, two positioning grooves 32 may be disposed on the wrench 3, the two positioning grooves 32 are a first positioning groove 321 and a second positioning groove 322, respectively, and when the wrench 3 extends in the up-down direction, the first positioning groove 321 and the second positioning groove 322 may be spaced in the front-back direction.

The locking piece 7 can be arranged on the first seat 1, the locking piece 7 can be a lock pin, for example, the locking piece 7 can be a structure similar to a door lock, the locking piece 7 comprises a knob and a lock tongue, the lock tongue can be driven to move through the knob, and the lock tongue forms the positioning part 71. The positioning portion 71 may be inserted into the first positioning groove 321 or the second positioning groove 322, so that the locking fixation of the locking member 7 is achieved, and the stand pipe 200 may be locked at the riding position.

As shown in fig. 9, when the positioning portion 71 is inserted into the first positioning groove 321, the wrench 3 is locked at one stage, and when the positioning portion 71 is removed from the first positioning groove 321, the wrench 3 is unlocked, so that the first seat 1 can be folded. As shown in fig. 11, after the positioning portion 71 is inserted into the second positioning groove 322, a two-stage locking (multiple locking) of the wrench 3 is achieved, that is, the positioning portion 71 needs to be sequentially pulled out from the second positioning groove 322 and get over the first positioning groove 321 to unlock.

It should be noted that in other embodiments, the positioning groove 32 on the wrench 3 may be provided with more than three positioning grooves, so that more than three stages of locking of the wrench 3 can be realized.

It will be appreciated that in other embodiments, the wrench 3 may be mounted on the first housing 1 and the locking member 7 may be mounted on the second housing 2.

The folding lock assembly 100 of the embodiment of the utility model can realize locking only through the wrench 3 and the locking piece 7, the folding lock assembly 100 has a simple structure, the locking and unlocking processes are convenient, the folding operation can be realized through unlocking the locking piece 7, and the use is convenient. In addition, owing to be equipped with a plurality of constant head tanks 32, location portion 71 can cooperate in the constant head tank 32 that closes on locking piece 7, and from this, location portion 71 need cross the remaining constant head tank 32 that keeps away from locking piece 7 and just can realize the unblock completely to guarantee the stability and the reliability of locking piece 7 and spanner 3, avoided among the correlation technique the screw in the condition that the in-process is not hard up easily of riding, promoted the security of riding.

In some embodiments, the locking member 7 is a toggle button slidably disposed on the first seat 1 or the second seat 2, and the toggle button is adapted to insert the positioning portion 71 into the positioning slot 32 or to disengage the positioning portion 71 from the positioning slot 32 by sliding movement.

Specifically, as shown in fig. 6, the wrench 3 is disposed on the second seat 2, the locking member 7 is disposed on the first seat 1, the first seat 1 may be provided with a guide groove extending along an axial direction of the first seat 1, and the locking member 7 may be fitted in the guide groove and slidably movable along an extending direction of the guide groove. Therefore, the structure and the assembly mode of the locking piece 7 are simplified, and the driving of the locking piece 7 is facilitated.

In some embodiments, the folding lock assembly 100 includes a first elastic member 5, one end of the first elastic member 5 is connected to the locking member 7, the other end of the first elastic member 5 is connected to the first seat 1 or the second seat 2, and the first elastic member 5 is adapted to reset the toggle after the toggle slides.

Specifically, as shown in fig. 4 and fig. 6, the first elastic element 5 may be a spring, the first elastic element 5 extends along the axial direction of the first seat 1, the bottom end of the first elastic element 5 abuts against the locking element 7, and the top end of the first elastic element 5 is located between the first seat 1 and the locking element 7, so that when the locking element 7 moves upwards, the locking element 7 presses the first elastic element 5, thereby storing energy in the first elastic element 5 is realized, and after the locking element 7 loses the external force effect, the first elastic element 5 drives the locking element 7 to move downwards, thereby enabling the locking element 7 to lock and fix the wrench 3.

In some embodiments, the folding lock assembly 100 includes a guide 6, the guide 6 is disposed on the first seat 1 or the second seat 2, the first elastic member 5 is a spring, the first elastic member 5 is sleeved on an outer circumferential side of the guide 6, and the knob is disposed on the guide 6 and is movable along the guide 6.

Specifically, as shown in fig. 4 and 6, the guide member 6 may be a guide rod, the guide member 6 may be fixed in the first seat 1, the elastic member may be sleeved on an outer peripheral side of the guide rod, the locking member 7 is provided with a guide hole, the guide rod passes through the guide hole, thereby realizing guide assembly of the locking member 7 and the guide rod, and the elastic member is sandwiched between the locking member 7 and the first seat 1. The guide piece 6 enhances the guiding movement effect of the locking piece 7, and improves the compactness of assembly and the stability of sliding of the locking piece 7.

Alternatively, the bottom end of the guide member 6 may be provided with a stopping structure, and the stopping structure can be stopped with the locking member 7, so that the locking member 7 can be prevented from falling off the guide member 6.

In some embodiments, the wrench 3 is provided with a protrusion 31, a plurality of positioning grooves 32 are provided on the protrusion 31, and the plurality of positioning grooves 32 are arranged at intervals along the extending direction of the protrusion 31.

Specifically, as shown in fig. 3, the protrusion 31 is provided at a middle position of the wrench 3, the wrench 3 may be provided at a front side of the first seat 1 and the second seat 2, when the wrench 3 extends in the up-down direction, the protrusion 31 is provided at a rear side of the wrench 3, the protrusion 31 extends substantially in the front-back direction, and the positioning grooves 32 are provided at a top side of the protrusion 31, thereby facilitating insertion of the positioning portion 71 from above. The positioning grooves 32 may include a first positioning groove 321 and a second positioning groove 322, and the first positioning groove 321 and the second positioning groove 322 are spaced along the extending direction of the protruding portion 31.

In some embodiments, the fold lock assembly 100 includes a link 4, a wrench 3 rotatably coupled to one of the first and second bases 1, 2, one end of the link 4 rotatably coupled to the other of the first and second bases 1, 2, the other end of the link 4 rotatably coupled to the wrench 3, the link 4, the first and second bases 1, 2, 3 forming a four-bar linkage.

Specifically, as shown in fig. 1 and 5, the link 4 may be a cylindrical rod, the wrench 3 is rotatably mounted on the second seat 2, one end of the link 4 may be hinged to the first seat 1, and the other end of the link 4 may be hinged to the wrench 3, as shown in fig. 1, the link 4, the first seat 1, the second seat 2, and the wrench 3 form a four-bar linkage, the link 4 may swing upward around a joint of the link 4 and the first seat 1 during swinging of the wrench 3 in the front-rear direction, and the link 4 swings to a side of the first seat 1 and extends in the up-down direction after the wrench 3 is rotated to a position extending in the up-down direction.

The connecting rod 4 is arranged to realize the connection between the wrench 3 and the first seat 1, so that the situation that the wrench 3 swings randomly after losing the constraint of the locking piece 7 is avoided, and the integrity of the folding lock assembly 100 is improved; on the other hand, the formed four-bar linkage mechanism enables the wrench 3 to be more stable in rotation, and the cooperative operation of the first seat 1, the second seat 2 and the wrench 3 is realized.

In some embodiments, one end of the connecting rod 4 is provided with a pivot 41, the connecting rod 4 is rotatably connected with the first seat 1 or the second seat 2 through the pivot 41, the wrench 3 is provided with a limiting groove 33, and the pivot 41 is suitable for being matched in the limiting groove 33.

Specifically, as shown in fig. 5, the pivot 41 may be detachably fixed to the end of the connecting rod 4 by a screw, and the pivot 41 may be rotatably fitted to the first seat 1, and as shown in fig. 3, the limiting groove 33 may be a U-shaped groove, and the limiting groove 33 may be disposed adjacent to the projection 31 and on the same side of the wrench 3 as the projection 31. As shown in fig. 9 and 11, after the wrench 3 is locked and fixed by the locking member 7, the pivot 41 can be transversely inserted into the limiting groove 33, so that the limitation of the wrench 3 can be enhanced, the structural stability of the folding lock assembly 100 after being locked is further enhanced, and the riding safety is ensured.

In some embodiments, the fold lock assembly 100 comprises a second elastic member 8, the second elastic member 8 being provided between the wrench 3 and the first seat 1 or between the wrench 3 and the second seat 2, the second elastic member 8 being adapted to reset the wrench 3 after the wrench 3 is rotated.

Specifically, as shown in fig. 2 and 6, the second elastic member 8 may be a torsion spring, the wrench 3 may be rotatably assembled on the second seat 2 through the second pivot shaft 10, the second elastic member 8 may be sleeved on an outer peripheral side of the second pivot shaft 10, and one end of the second elastic member 8 is connected to the second seat 2, and the other end of the second elastic member 8 is connected to the wrench 3, so that when the wrench 3 rotates, the wrench 3 may press the second elastic member 8 to store energy, and therefore, after the wrench 3 loses an external force effect, the wrench 3 may automatically reset under the effect of the second elastic member 8, thereby facilitating the locking operation of the wrench 3 and the locking member 7.

In some embodiments, a boss 21 is disposed on one of the first seat 1 and the second seat 2, and the boss 21 is adapted to stop against the other of the first seat 1 and the second seat 2 when the first seat 1 and the second seat 2 rotate relatively to each other to limit the folding angle of the stand pipe 200.

Specifically, as shown in fig. 1 and 2, the boss 21 may be disposed on the second seat 2, the first seat 1 and the second seat 2 may be rotatably connected through the first pivot shaft 9, and the boss 21 may be disposed at a position close to the first pivot shaft 9, so that when the first seat 1 rotates backward, the boss 21 and the first seat 1 form a stop, thereby playing a role in limiting a backward swing angle of the first seat 1, further playing a role in limiting a folding angle of the stand pipe 200, and increasing a limit point, so that the stand pipe 200 has better structural stability after being folded.

It is understood that in other embodiments, the boss 21 may be provided on the first seat 1, and of course, in other embodiments, the bosses 21 may be provided on both the first seat 1 and the second seat 2.

In some embodiments, the first base 1 is provided with a glue groove 11, and the glue groove 11 is suitable for filling with an adhesive to strengthen the connection between the riser 200 and the first base 1. Specifically, as shown in fig. 2, the glue groove 11 may be a ring of ring grooves formed on the outer peripheral side of the first seat 1, an adhesive may be filled in the glue groove 11, the adhesive may be a structural adhesive, when the riser 200 is installed, the riser 200 may be sleeved on the outer peripheral side of the first seat 1, and the adhesive may adhere the riser 200 to the first seat 1, so that the connection strength between the riser 200 and the first seat 1 is enhanced.

The following describes a scooter according to an embodiment of the present invention.

The scooter of the embodiment of the present invention includes a folding lock assembly 100, and the folding lock assembly 100 may be the folding lock assembly 100 described in the above-described embodiment. The scooter can be an electric scooter, an electric bicycle, an electric balance car and the like, and can also be other scooters needing the folding lock assembly 100.

In some embodiments, the scooter comprises a riser 200 and a front fork, the riser 200 being connected to the first seat 1 and the front fork being connected to the second seat 2. The stand pipe 200 can be the pipe, and the stand pipe 200 can link to each other with first seat 1 through the mode of cartridge, and the front fork is the front fork pipe, and the front fork is used for assembling the front wheel of car of riding instead of walk, and the front fork also can link to each other with second seat 2 through the mode of cartridge, and from this, after first seat 1 and second seat 2 are fixed through spanner 3 and locking piece 7 locking, stand pipe 200 can drive the front fork and rotate to can realize the adjustment to the front wheel position. When the scooter needs to be carried and stored, the wrench 3 can be unlocked by the locking piece 7, and then the vertical pipe 200 is turned over.

In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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 such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 utility model. 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 embodiments of the present invention have been shown and described above, 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 can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (12)

1. A fold lock assembly, comprising:

a first seat adapted to be connected to a riser and a second seat adapted to be connected to a front fork, the first seat and the second seat being rotatably connected such that the riser is collapsible;

the wrench and the locking piece are rotatably connected with one of the first seat and the second seat, the locking piece is connected with the other of the first seat and the second seat, one of the wrench and the locking piece is provided with a plurality of positioning grooves, the other of the wrench and the locking piece is provided with a positioning part, and the positioning part is suitable for being matched in different positioning grooves so that the first seat and the second seat can be locked in multiple ways.

2. The assembly of claim 1, wherein the locking member is a knob slidably disposed on the first seat or the second seat, the knob adapted to slidably move to insert or remove the positioning portion into or from the positioning slot.

3. The fold lock assembly as recited in claim 2, comprising a first elastic member, one end of the first elastic member being connected to the locking member, the other end of the first elastic member being connected to the first seat or the second seat, the first elastic member being adapted to reset the toggle after the toggle is slid.

4. A folding lock assembly according to claim 3 including a guide member provided on said first seat or said second seat, said first resilient member being a spring, said first resilient member being sleeved on an outer peripheral side of said guide member, said knob being provided on said guide member and being movable along said guide member.

5. The fold lock assembly as recited in claim 1, wherein the wrench has a protrusion, a plurality of positioning slots are provided in the protrusion, and the plurality of positioning slots are spaced along an extension of the protrusion.

6. The fold lock assembly as recited in claim 1, including a linkage, the wrench being rotatably connected to one of the first seat and the second seat, one end of the linkage being rotatably connected to the other of the first seat and the second seat, the other end of the linkage being rotatably connected to the wrench, the linkage, the first seat, the second seat, and the wrench forming a four bar linkage.

7. The fold lock assembly as recited in claim 6, wherein one end of the link is provided with a pivot, the link is rotatably connected to the first seat or the second seat via the pivot, the wrench is provided with a limit groove, and the pivot is adapted to fit in the limit groove.

8. The fold lock assembly of claim 1 including a second resilient member disposed between the wrench and the first seat or between the wrench and the second seat, the second resilient member adapted to reset the wrench upon rotation of the wrench.

9. The fold lock assembly of claim 1 wherein one of the first seat and the second seat has a boss thereon, the boss adapted to stop against the other of the first seat and the second seat upon relative rotation of the first seat and the second seat to limit the fold angle of the riser.

10. The fold lock assembly of any of claims 1 to 9, wherein the first seat is provided with a glue groove adapted to be filled with an adhesive to strengthen the connection of the riser and the first seat.

11. A scooter comprising a fold lock assembly, the fold lock assembly being in accordance with any one of claims 1 to 10.

12. The walker of claim 11 comprising a riser connected to the first seat and a front fork connected to the second seat.

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