CN211943624U - Folding scooter with function of luggage case - Google Patents

Abstract

The utility model discloses a take folding car of riding instead of walk of suitcase function, including locomotive, preceding chassis, rear chassis and seat, the locomotive is articulated with preceding chassis, and preceding chassis is articulated with the rear chassis, and the seat is articulated with the rear chassis, is equipped with the front wheel on the locomotive, is equipped with the rear wheel on the rear chassis, be equipped with the footboard storage tank that can open deposit article on the preceding chassis. The utility model provides a take folding car of riding instead of walk of suitcase function, the whole weight of car of riding instead of walk after folding is little, and portable can be practical as the suitcase, conveniently deposits personal article.

Description

Folding scooter with function of luggage case

Technical Field

The invention relates to the technical field of a scooter, in particular to a folding scooter with a luggage box function.

Background

The scooter is also called a lazy people scooter, refers to a transportation tool and an auxiliary tool aiming at the purpose of scooter, and can be an automobile, an electric bicycle, an electric scooter, a two-wheeled automatic balance scooter and a single-wheeled balance scooter which can be used for scooter at home. The scooter greatly facilitates the travel of people. However, current car of riding instead of walk is either unable folding, or the car of riding instead of walk after folding is carried inconveniently, can't deposit personal article, and car beta structure of riding instead of walk is complicated, folding and expansion process waste time and energy, use inconvenient, consequently, this application discloses a take folding car of riding instead of walk of suitcase function, the whole weight of car of riding instead of walk after folding is little, portable can be practical as the suitcase, conveniently deposits personal article, and the car of riding instead of walk can wholly fold and expand, beta structure is simple, folding convenience.

Chinese patent application publication No. CN202080398U, entitled "folding device for scooter", published as 2011, 12/21/discloses, which comprises a scooter main body, a front wheel assembly and a handle assembled at the front side of the scooter main body, a rear wheel assembly pivotally connected at the rear side of the scooter main body, a folding mechanism assembled between the rear wheel assembly and the scooter main body and connected with the scooter main body and the rear wheel assembly, so that when the scooter is folded, the folding mechanism is only needed to move the scooter main body and the rear wheel assembly to fold together, and the handle pivotally connected to the front wheel assembly is lowered to fold the scooter to flatten the scooter, thereby facilitating folding of the scooter and greatly reducing the volume of the scooter. But the car of riding instead of walk in this patent still exists the car of riding instead of walk after folding and carries inconveniently, can't deposit personal article, and beta structure is complicated, and folding and the problem that the process is wasted time and energy of expansion.

Disclosure of Invention

The utility model discloses an it is inconvenient to overcome the car of riding instead of walk after folding among the prior art, can't deposit the problem of personal article, provides a folding car of riding instead of walk of taking the suitcase function, and the whole weight of car of riding instead of walk after folding is little, and portable can be practical as the suitcase, conveniently deposits personal article.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the folding scooter with the function of the luggage case comprises a scooter head, a front chassis, a rear chassis and a seat, wherein the scooter head is hinged with the front chassis, the front chassis is hinged with the rear chassis, the seat is hinged with the rear chassis, front wheels are arranged on the scooter head, rear wheels are arranged on the rear chassis, and a pedal storage box capable of being opened to store articles is arranged on the front chassis.

Among the above-mentioned technical scheme, the locomotive, preceding chassis, back chassis and the seat of car of riding instead of walk can fold each other, and folding formation suitcase, footboard storage tank can be used for depositing article. And two footboard storage tanks symmetric distribution can get into the space between two footboard storage tanks after the locomotive is folding at locomotive both sides, makes the whole appearance structure after the car of riding instead of walk more pleasing to the eye, and is more level and more smooth. The above-mentioned each part is expanded and can adopt some common locking structures to lock after folding, for example buckle damping locking structure, hasp structure etc..

Preferably, the seat comprises a seat cushion, a front cross strip and a rear cross strip, wherein one end of the front cross strip is hinged with the seat cushion, and the other end of the front cross strip is hinged with the rear chassis; one end of the rear cross strip is hinged with the cushion, and the other end of the rear cross strip is hinged with the rear chassis; the cushion, the front cross strips, the rear cross strips and the rear chassis form a parallelogram structure. Above-mentioned technical scheme provides a beta structure of seat, adopts parallelogram structure, has realized that the multiple spot supports, has guaranteed the stability of cushion, and parallelogram structure can guarantee that the cushion is parallel with the back chassis all the time, does not need manual adjustment.

Preferably, the folding chair further comprises a folding connecting rod and a backrest storage box capable of being opened to store articles, the backrest storage box is hinged to the seat cushion, one end of the folding connecting rod is hinged to the rear cross strip, and the other end of the folding connecting rod is hinged to the backrest storage box. In the structure, the backrest storage box, the folding connecting rod, the cushion and the rear cross bar form a quadrilateral structure, so that the backrest storage box can be synchronously folded, the backrest storage box and the cushion are mutually compressed after the backrest storage box is folded, and the cushion is prevented from being directly and externally exposed and being polluted; simultaneously, have certain storing space in the back storage tank, can open and be used for the storing, can use as the suitcase after making car of riding instead of walk, the user can carry luggage under the state of zero burden.

Preferably, the backrest storage box is provided with an armrest, and the armrest is hinged to the backrest storage box. The handrail can increase the travelling comfort, and can receive the cushion extrusion and fold in the holding tank on the back storage tank when the back storage tank is folding.

Preferably, a telescopic pull rod is arranged on the backrest storage box. The retractable pull rod is convenient to fold and can be used as a luggage case for the scooter.

Preferably, the bottom of the backrest storage box is provided with universal wheels, after the scooter is folded, the universal wheels are in contact with the ground, and the rear wheels of the scooter are suspended. The universal wheel can be folded as the wheel of suitcase after the car of riding instead of walk, realizes universal removal and facilitates the user to drag.

Preferably, the front end of the front chassis is provided with universal wheels, after the scooter is folded, the universal wheels are contacted with the ground, and the front wheels are suspended. The universal wheel can be folded as the wheel of suitcase after the car of riding instead of walk, realizes the removal of all directions, and the person of facilitating the use drags the line. Simultaneously, expand with folding whole in-process at the car of riding instead of walk, can guarantee all the time with the ground contact position for the wheel or the universal wheel of the car of riding instead of walk, avoid other structures direct and ground contact to cause wearing and tearing, also avoid other structures direct and ground contact card to die, influence folding and open, the folding of assurance with open smooth and easy.

Preferably, the bicycle further comprises a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is hinged with the lower end of the bicycle head, and the other end of the first connecting rod is hinged with the rear chassis; one end of the second connecting rod is hinged with the front chassis, and the other end of the second connecting rod is hinged with the seat.

In the technical scheme, a hinge point of the first connecting rod and the vehicle head is lower than a hinge point of the vehicle head and the front chassis, when the scooter needs to be folded, the front chassis and the rear chassis are driven manually or electrically to be folded, the hinge point of the front chassis and the rear chassis is relatively lifted upwards, one end of the first connecting rod is extruded by the rear chassis and moves towards one side of the vehicle head, and the vehicle head is extruded by the extrusion force and begins to be folded; one end of the second connecting rod is extruded by the front chassis to move to the other side, and the seat is stressed to be folded; when the driving mechanism is contracted in place, the vehicle head, the front chassis, the rear chassis and the seat are all folded in place. When the front chassis and the rear chassis need to be unfolded, the front chassis and the rear chassis are unfolded. The folding and the unfolding are convenient, and the efficiency is high.

Preferably, one end of the second link is hinged to one end of a front cross bar or one end of a rear cross bar on the seat. The structure can enable the second connecting rod to drive the seat to fold.

Preferably, the device further comprises a driving mechanism, one end of the driving mechanism is hinged with the front chassis, and the other end of the driving mechanism is hinged with the rear chassis. In the above technical solution, the driving mechanism may be a driving mechanism capable of generating linear driving force, such as an electric push rod, a screw nut driving structure, a rack and pinion driving structure, an air cylinder, an oil cylinder, and the like. When the scooter needs to be folded, the driving mechanism is contracted, the front chassis and the rear chassis start to be folded, the hinged point is relatively lifted upwards, one end of the first connecting rod is extruded by the rear chassis to move towards one side of the scooter head, and the scooter head starts to be folded under the extrusion force; one end of the second connecting rod is extruded by the front chassis to move to the other side, and the seat is stressed to be folded; when the driving mechanism is contracted in place, the vehicle head, the front chassis, the rear chassis and the seat are all folded in place. When the unfolding is needed, the driving mechanism extends outwards. Above-mentioned technical scheme has realized the car of riding instead of walk wholly through a actuating mechanism and has folded, because drive structure and folding simple, make whole car of riding instead of walk lighter, can realize the folding and the key expansion of the car of riding instead of walk that a key is folding and a key is expanded simultaneously through control actuating mechanism's extension and shrink, and folding and expansion are convenient, efficient.

Preferably, the seat further comprises a sliding rod, a sliding groove is formed in the front cross strip or the rear cross strip, one end of the sliding rod can slide along the sliding groove and rotate around the sliding rod, and the other end of the sliding rod is hinged to one end of the second connecting rod. The structure can enable the second connecting rod to drive the seat to fold. When the folding seat is folded, the second connecting rod pushes one end of the sliding rod, and the other end of the sliding rod slides along the sliding groove and drives the front cross strip to rotate, so that the seat is folded.

Preferably, the front chassis is provided with an elastic lock catch, the rear chassis is provided with a lock head, and the elastic lock catch and the lock head are locked when the scooter is folded. Locking structure can lock the vehicle after the car of riding instead of walk, guarantees fold condition's stability.

The utility model has the advantages that: (1) after being folded, the scooter can be used as a luggage case, and a user can carry luggage under the state of zero burden; (2) the scooter has simple integral structure, stable structure, small integral weight and convenient carrying; (3) the whole folding and unfolding of the scooter can be realized by only one driving mechanism, and the driving mechanism is simple.

Drawings

FIG. 1 is a schematic view of the present invention in its expanded configuration;

FIG. 2 is a schematic view of another angle of the present invention;

FIG. 3 is a schematic diagram of the present invention in a folded intermediate state;

FIG. 4 is a schematic view of the folded configuration of the present invention;

FIG. 5 is a schematic structural view of example 5;

fig. 6 is a schematic structural view of the scooter of embodiment 5 after being folded.

In the figure: the vehicle comprises a vehicle head 1, a bogie 1.1, front wheels 1.2, a sleeve 1.3, a movable tube 1.4, a handlebar 1.5, a battery assembly 1.6, a battery case 1.6.1, a battery body 1.6.2, an elastic pad 1.6.4, a front chassis 2, a rear chassis 3, a rear wheel 3.1, a seat 4, a cushion 4.1, a front cross strip 4.2, a rear cross strip 4.3, a first connecting rod 5, a second connecting rod 6, a driving mechanism 7, a backrest storage box 8, a folding connecting rod 9, an armrest 10, a universal wheel 11, a pedal storage box 12, a telescopic pull rod 13, a buffer spring 14, a sliding rod 17, a sliding groove 18, an elastic lock catch 19 and a lock 20.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1:

as shown in fig. 1 and 2, the folding scooter comprises a scooter head 1, a front chassis 2, a rear chassis 3 and a seat 4, wherein the scooter head 1 is hinged with the front chassis 2, the front chassis 2 is hinged with the rear chassis 3, the seat 4 is hinged with the rear chassis 3, the folding scooter further comprises a first connecting rod 5, a second connecting rod 6 and a driving mechanism 7, one end of the driving mechanism 7 is hinged with the front chassis 2, the other end of the driving mechanism 7 is hinged with the rear chassis 3, one end of the first connecting rod 5 is hinged with the lower end of the scooter head 1, and the other end of the first connecting rod 5 is hinged with the rear chassis 3; one end of the second connecting rod 6 is hinged with the front chassis 2, and the other end of the second connecting rod 6 is hinged with the seat 4; the hinge point of the first connecting rod 5 and the vehicle head 1 is lower than the hinge point of the vehicle head 1 and the front chassis 2; the driving mechanism 7 is an electric push rod; the second connecting rod 6 is a gas spring.

The seat 4 comprises a seat cushion 4.1, a front cross strip 4.2 and a rear cross strip 4.3, one end of the front cross strip 4.2 is hinged with the seat cushion 4.1, and the other end of the front cross strip 4.2 is hinged with the rear chassis 3; one end of the rear cross strip 4.3 is hinged with the cushion 4.1, and the other end of the rear cross strip 4.3 is hinged with the rear chassis 3; the cushion 4.1, the front cross strip 4.2, the rear cross strip 4.3 and the rear chassis 3 form a parallelogram structure, and one end of the front cross strip 4.2 or one end of the rear cross strip 4.3 is hinged with one end of the second connecting rod 6.

In the above technical solution, as shown in fig. 3 and 4, when the scooter needs to be folded, the driving mechanism 7 is contracted, the front chassis 2 and the rear chassis 3 start to be folded, the hinge point is relatively lifted upwards, at this time, one end of the first connecting rod 5 is extruded by the rear chassis 3 and moves to one side of the head 1, and the head 1 starts to be folded after being extruded; one end of the second connecting rod 6 is extruded by the front chassis 2 to move to the other side, and the seat 4 is extruded to start folding; at the initial stage of folding, the second connecting rod 6 is extruded, and because the seat 4 is not subjected to other external forces at this time, the second connecting rod 6 can push the seat 4 to be folded quickly, after the front chassis 2 and the rear chassis 3 are folded at a certain angle, the seat 4 is folded, and the seat 4 is tightly attached to the rear chassis 3; then the front chassis 2 and the rear chassis 3 are continuously folded, at the moment, the second connecting rod 6 cannot move to the other side, the second connecting rod 6 is stressed and compressed, the seat 4 is always pressed on the rear chassis 3, and other structures are continuously folded. When the driving mechanism 7 is retracted to the proper position, the vehicle head 1, the front chassis 2, the rear chassis 3 and the seat 4 are all folded to the proper position. When deployment is required, the drive mechanism 7 is extended outwardly. Above-mentioned technical scheme has realized the car of riding instead of walk wholly through a actuating mechanism 7 and has folded, because drive structure and folding simple, makes whole car of riding instead of walk lighter, can realize the folding and the key expansion of a key of car of riding instead of walk through extension and the shrink of control actuating mechanism 7 simultaneously, and is folding convenient with the expansion, efficient. Above-mentioned technical scheme has still guaranteed the precedence order of folding process simultaneously, and seat 4 is folding earlier and is prevented folding in-process car gravity center unbalance of riding instead of walk, leads to the car of riding instead of walk to overturn. The seat 4 has self-locking power after folding, because the second connecting rod 6 is compressed when folding, has the power of outside extension, and this power guarantees that seat 4 can compress tightly back chassis 3 all the time, even seat 4 receives the exogenic action and also is difficult to open, has guaranteed beta structure's stability. When the scooter is in a unfolding state, the front cross strips 4.2 and the rear cross strips 4.3 are slightly inclined forwards, at the moment, the second connecting rod 6 is in a stretched limit state, even if a rider sits on the scooter, the stress of the second connecting rod 6 is still tensile force, the second connecting rod 6 cannot continue to stretch, and the stability of the unfolding structure cannot be influenced.

Example 2:

as shown in fig. 1 and 2, on the basis of embodiment 1, the folding chair further comprises a backrest storage box 8 and a folding connecting rod 9, wherein the backrest storage box 8 is hinged to the seat cushion 4.1, one end of the folding connecting rod 9 is hinged to the rear cross strip 4.3, and the other end of the folding connecting rod 9 is hinged to the backrest storage box 8. The backrest storage box 8 is provided with armrests 10 and a telescopic pull rod 13, and the armrests 10 are hinged with the backrest storage box 8; the bottom of the backrest storage box 8 is provided with universal wheels 11, when the scooter is folded, the universal wheels 11 are contacted with the ground, and the rear wheels of the scooter are suspended. The front end of the front chassis 2 is provided with a universal wheel 11, when the electric scooter is folded, the universal wheel 11 is contacted with the ground, and the front wheel 1.2 of the scooter is suspended. The front chassis 2 is provided with a pedal storage box 12.

In the structure, the backrest storage box 8, the folding connecting rod 9, the cushion 4.1 and the rear cross strip 4.3 form a quadrilateral structure, so that the backrest storage box 8 can be synchronously folded, the backrest storage box 8 and the cushion 4.1 are mutually compressed after being folded, and the cushion 4.1 is prevented from being directly exposed and polluted; meanwhile, certain storage space is arranged in the backrest storage box 8 and the pedal storage box 12, the backrest storage box and the pedal storage box can be opened for storing articles, so that the scooter can be used as a luggage box after being folded, and a user can carry luggage under a zero-load state. The universal wheels 11 are contacted with the ground, and the front wheels 1.2 of the scooter are suspended. The universal wheels 11 can be folded as the wheels of the luggage case after the scooter, so that the movement in all directions is realized, and the user can conveniently drag the scooter. Simultaneously, expand with folding whole in-process at the car of riding instead of walk, can guarantee all the time with the wheel or the universal wheel 11 of ground contact for the car of riding instead of walk, avoid other structures direct and ground contact to cause wearing and tearing, also avoid other structures direct and ground contact card to die, the influence is folding and open, the folding of assurance with open smoothly.

Example 3:

as shown in fig. 1 and 2, based on embodiment 1, the vehicle seat further includes a buffer spring 14, where the buffer spring 14 is a gas spring, one end of the buffer spring 14 is hinged to the front chassis 2, and the other end of the buffer spring 14 is hinged to the rear chassis 3. When the scooter is unfolded, a buffer included angle exists between the telescopic direction of the buffer spring 14 and the telescopic direction of the driving mechanism 7. The buffer included angle is 7-9 degrees. The force generated by the buffer spring is a contraction force.

When the scooter is unfolded, the driving mechanism 7 is in a completely extended state, the driving mechanism 7 is almost parallel to the front chassis 2 and the rear chassis 3, at the moment, even if the driving mechanism 7 changes a small length, the front chassis and the rear chassis 3 can rotate by a large angle, and due to the existence of manufacturing errors and installation errors, the driving mechanism 7 is difficult to control the stability of the relative positions of the front chassis 2 and the rear chassis 3, and the front chassis and the rear chassis 3 are easy to rotate relatively. The buffer spring 14 can solve the problem, and the movable gap between the front chassis and the rear chassis 3 when the front chassis and the rear chassis are unfolded is used as a buffer space, so that the buffer performance and the comfort of the scooter are improved. Simultaneously, when the car of riding instead of walk expandes, actuating mechanism 7 has a dead point, and the extension line of actuating mechanism 7's contractile force passes through the articulated shaft of preceding chassis 2 and rear chassis 3 promptly, and during the folding, if the car of riding instead of walk just in time is in this dead point, actuating mechanism 7 may be blocked and die, can't realize folding fast, and buffer spring 14 can guarantee when not having the passenger on seat 4, and pulling end front bezel and rear chassis 3 are close to certain distance each other, makes the car of riding instead of walk keep away from this dead point, guarantees that the car of riding instead of walk can fold fast.

Example 4:

as shown in fig. 1, based on embodiment 1, the vehicle head 1 includes a bogie 1.1, a front wheel 1.2, a sleeve 1.3, a movable tube 1.4, a handlebar 1.5 and a battery assembly 1.6, the bogie 1.1 is hinged to the front chassis 2, the front wheel 1.2 is fixed to the lower end of the sleeve 1.3, the sleeve 1.3 is rotatably connected to the bogie 1.1, the sleeve 1.3 is sleeved on the outer side of the movable tube 1.4 and slidably connected to the movable tube 1.4, the handlebar 1.5 is fixed to the upper end of the movable tube 1.4, and the battery assembly 1.6 is fixed to the sleeve 1.3. The head 1 is also provided with a driving structure of the scooter for driving the front wheel 1.2 to rotate. The battery component 1.6 comprises a battery case 1.6.1 and a battery body 1.6.2, wherein the battery case 1.6.1 is provided with a plurality of battery accommodating cavities, and one of the battery accommodating cavities is internally provided with a joint electrically connected with an electric control system; one end of the battery body 1.6.2 is arranged in the battery accommodating cavity, and the battery body 1.6.2 is clamped with the battery shell 1.6.1. The open end of the battery accommodating cavity is provided with an elastic pad 1.6.4, an elastic pad 1.6.4 is fixed with the battery case 1.6.1, and an elastic pad 1.6.4 is tightly attached to the battery body 1.6.2.

Above-mentioned structure can realize battery body 1.6.2 and battery case 1.6.1's quick connection, can dismantle alone battery body 1.6.2 and charge, makes things convenient for the replacement to use.

Example 5:

as shown in fig. 5 and 6, the folding scooter comprises a scooter head 1, a front chassis 2, a rear chassis 3 and a seat 4, wherein the scooter head 1 is hinged with the front chassis 2, the front chassis 2 is hinged with the rear chassis 3, the seat 4 is hinged with the rear chassis 3, and the folding scooter further comprises a first connecting rod 5 and a second connecting rod 6.

The seat 4 comprises a seat cushion 4.1, a front cross strip 4.2, a rear cross strip 4.3 and a sliding rod 17, wherein one end of the front cross strip 4.2 is hinged with the seat cushion 4.1, and the other end of the front cross strip 4.2 is hinged with the rear chassis 3; one end of the rear cross strip 4.3 is hinged with the cushion 4.1, and the other end of the rear cross strip 4.3 is hinged with the rear chassis 3; the cushion 4.1, the front cross strip 4.2, the rear cross strip 4.3 and the rear chassis 3 form a parallelogram structure. The front cross strip 4.2 is provided with a sliding groove 18, one end of the sliding rod 18 can slide along the sliding groove 18, the sliding rod 17 can rotate around the end, the other end of the sliding rod 17 is hinged with one end of the second connecting rod 6, and the other end of the second connecting rod 6 is hinged with the front chassis 2.

One end of the first connecting rod 5 is hinged with the lower end of the vehicle head 1, and the other end of the first connecting rod 5 is hinged with the rear chassis 3; the hinge point of the first connecting rod 5 and the vehicle head 1 is lower than the hinge point of the vehicle head 1 and the front chassis 2; the front chassis is provided with an elastic lock catch 19, the rear chassis is provided with a lock head 20, and when the scooter is folded, the elastic lock catch 19 is locked with the lock head 20.

In the above technical solution, as shown in fig. 3 and 4, when the scooter needs to be folded, the front chassis 2 and the rear chassis 3 start to be folded manually or by using a driving member, a hinge point of the two is relatively lifted upwards, at this time, one end of the first connecting rod 5 is extruded by the rear chassis 3 and moves to one side of the head 1, and the head 1 starts to be folded by extrusion force; one end of the second connecting rod 6 is extruded by the front chassis 2 to move to the other side, the second connecting rod 6 pushes one end of the sliding rod 17, the other end of the sliding rod 17 slides along the sliding groove 18 and drives the front cross strip 4.2 to rotate, and the seat 4 is folded. When the driving mechanism 7 is retracted to the proper position, the vehicle head 1, the front chassis 2, the rear chassis 3 and the seat 4 are all folded to the proper position. When the front chassis 2 and the rear chassis 3 need to be unfolded, the front chassis and the rear chassis are unfolded.

The invention has the beneficial effects that: (1) the integral folding and unfolding of the scooter can be realized only by one driving mechanism, and the driving mechanism is simple; (2) the scooter has simple integral structure, stable structure, small integral weight and convenient carrying; (3) the folding and unfolding processes of the scooter are smooth, and the noise is low; (4) after being folded, the scooter can be used as a luggage case, and a user can carry luggage under the state of zero burden; (5) the folding of the scooter has a sequence, so that the seat is ensured to be folded first, and the phenomenon that the scooter overturns due to unbalance of the gravity center in the folding process is prevented; (6) the chair has self-locking force after being folded; (7) the buffer spring increases the stability of the unfolded front bottom disc and the unfolded rear bottom disc, and the movable gap between the unfolded front bottom disc and the unfolded rear bottom disc is used as a buffer space, so that the buffer performance and the comfort of the scooter are increased, and meanwhile, the scooter is far away from a dead point, so that the scooter can be quickly folded; (8) can dismantle the battery body alone and charge, make things convenient for the replacement to use.

Claims (10)

1. A folding scooter with a luggage box function is characterized by comprising a scooter head, a front chassis, a rear chassis and a seat, wherein the scooter head is hinged with the front chassis, the front chassis is hinged with the rear chassis, the seat is hinged with the rear chassis, front wheels are arranged on the scooter head, rear wheels are arranged on the rear chassis, and a pedal storage box capable of being opened to store articles is arranged on the front chassis.

2. The foldable scooter with the function of a luggage case as claimed in claim 1, wherein the seat comprises a cushion, a front cross bar and a rear cross bar, one end of the front cross bar is hinged with the cushion, and the other end of the front cross bar is hinged with the rear chassis; one end of the rear cross strip is hinged with the cushion, and the other end of the rear cross strip is hinged with the rear chassis; the cushion, the front cross strips, the rear cross strips and the rear chassis form a parallelogram structure.

3. The foldable scooter with the function of a luggage case as claimed in claim 2, further comprising a foldable link and a backrest storage box capable of being opened for storing articles, wherein the backrest storage box is hinged to the seat cushion, one end of the foldable link is hinged to the rear cross bar, and the other end of the foldable link is hinged to the backrest storage box.

4. The foldable scooter with the function of a luggage case as claimed in claim 3, wherein the bottom of the backrest storage box is provided with universal wheels, after the scooter is folded, the universal wheels are in contact with the ground, and the rear wheels of the scooter are suspended.

5. The foldable scooter with the function of a luggage case as claimed in claim 1, 2, 3 or 4, wherein the front end of the front chassis is provided with universal wheels, after the scooter is folded, the universal wheels are in contact with the ground, and the front wheels are suspended.

6. The folding scooter with the function of the luggage case as claimed in claim 2, 3 or 4, further comprising a first connecting rod and a second connecting rod, wherein one end of the first connecting rod is hinged with the lower end of the scooter head, and the other end of the first connecting rod is hinged with the rear chassis; one end of the second connecting rod is hinged with the front chassis, and the other end of the second connecting rod is hinged with the seat.

7. The foldable scooter with luggage function of claim 6, wherein one end of the second link is hinged to one end of the front cross bar or one end of the rear cross bar of the seat.

8. The foldable scooter with the function of a luggage case as claimed in claim 5, further comprising a driving mechanism, wherein one end of the driving mechanism is hinged to the front chassis, and the other end of the driving mechanism is hinged to the rear chassis.

9. The foldable scooter with luggage function of claim 5, wherein the seat further comprises a sliding rod, the front cross bar or the rear cross bar is provided with a sliding slot, one end of the sliding rod can slide along the sliding slot and can rotate around the sliding slot, and the other end of the sliding rod is hinged with one end of the second connecting rod.

10. The foldable scooter with the function of a luggage case as claimed in claim 9, wherein the front chassis is provided with an elastic lock catch, the rear chassis is provided with a lock head, and the lock catch is locked with the lock head when the scooter is folded.

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