CN110341775B

CN110341775B - Luggage van with multiple states

Info

Publication number: CN110341775B
Application number: CN201910714200.6A
Authority: CN
Inventors: 李佩兰
Original assignee: Dongguan Tianyu Luggage Accessories Co ltd
Current assignee: Dongguan Tianyu Luggage Accessories Co ltd
Priority date: 2019-08-03
Filing date: 2019-08-03
Publication date: 2021-10-08
Anticipated expiration: 2039-08-03
Also published as: CN110341775A

Abstract

The invention relates to the field of bags and bags, in particular to a luggage van with multiple states. The key points of the technical scheme are as follows: comprises a front plate, a back plate, a first side plate, a second side plate and a bottom plate; the luggage van has at least two states, wherein when the luggage van is in a first state, the front plate, the back plate, the first side plate, the second side plate and the bottom plate are mutually matched to form a box body structure, and the box body structure is provided with an accommodating cavity and an opening at the upper end; when the luggage van is in the second state, the front plate, the back plate, the first side plate, the second side plate and the bottom plate are directly folded to form an integral plate structure. The invention has the following beneficial effects: the safety and stability are realized, and the use is convenient; neat storage and good folding effect.

Description

Luggage van with multiple states

Technical Field

The invention relates to the field of bags and bags, in particular to a luggage van with multiple states.

Background

The luggage van is widely used in daily life of people, is mainly used in luggage consignment, and can also be applied to scenes of daily shopping, purchasing fruits, vegetables and the like.

Chinese utility model patent with the publication number CN2452851Y discloses a portable shopping basket cart, the technical scheme is as follows: comprises a basket body, wheels and grab bars, wherein the basket body consists of a front panel, a rear panel, a bottom plate and side panels; the bottom plate is movably connected with the front and the rear panels, and the two side panels are formed by grid bars which are movably connected with the front and the rear panels. Above-mentioned technical scheme makes portable shopping basket car can fold up when not needing to use, and it is all more convenient to carry and accomodate. However, the design of the portable shopping basket grid is easy to hurt hands when folded, and especially, children are easy to hurt when playing with the shopping basket under the drive of curiosity; the folding effect of the shopping basket cart during folding is not ideal, and the wheels and the grab bars still occupy larger volume.

To this end, chinese utility model patent with an authorization publication number of CN207029208U discloses a foldable luggage van, and its technical scheme main points are: including the pull rod, the bottom plate, the backplate, two curb plates and front bezel, the pull rod is established on the backplate, the bottom of backplate is equipped with the chimb, the bottom of backplate is equipped with the wheel body, the one end overlap joint of bottom plate is on the chimb, the other end is articulated with the bottom of front bezel, one side of one of them curb plate is articulated with one side of front bezel, the opposite side of this curb plate is articulated with one side of backplate, one side of another curb plate is articulated with the opposite side of front bezel, the opposite side of this curb plate is articulated with the opposite side of backplate, the curb plate includes first returning face plate and second returning face plate, the first returning face plate and the second returning face plate of every curb plate are articulated, first returning face plate is articulated with the front bezel, the second returning face plate is articulated with the backplate. Generally speaking, this is one kind and is accomodate the cavity through articulated formation of a plurality of boards, when not needing to use, folds up each articulated board each other, and each position of luggage van that the rethread some chucking spare will be folded up is fixed, and the pull rod adopts the telescopic pull rod.

The technical scheme solves the problem of unsatisfactory folding effect to a certain extent, solves the problem that hands are easily injured by the grid bars by adopting the design of the plate, and has the beneficial effects of more convenience in carrying and safety. However, when the foldable luggage cart is folded, the bottom plate needs to be turned up by hand, after the bottom plate is turned up, one hand is needed to ensure that the bottom plate is leaned against the front plate and does not fall off, and the two side plates are folded by the other hand, so that the operation mode is not very convenient. In addition, this technical scheme is an indirect folding mode, need fold earlier two returning face plates that constitute the curb plate and get up, just can fold up whole. Because will guarantee that two returning face plates hinge the department and not move when normal use, the curb plate upper end is provided with the detachable fastener in order to reach the fastening effect, even the inventor has designed the groove of accomodating of fastener, but this kind of device is not integrative setting on luggage van, inevitable has the risk of losing, if the consumer use is if the fastener loses, will greatly reduced this kind of luggage van's usability.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a luggage van with multiple states, which has the advantages of safety, durability, direct folding and stronger usability.

The technical purpose of the invention is realized by the following technical scheme: comprises a front plate, a back plate, a first side plate, a second side plate and a bottom plate;

the luggage van has at least two states, wherein,

when the luggage van is in a first state, the front plate, the back plate, the first side plate, the second side plate and the bottom plate are mutually matched to form a box body structure, and the box body structure is provided with an accommodating cavity and an opening at the upper end;

when the luggage van is in the second state, the front plate, the back plate, the first side plate, the second side plate and the bottom plate are directly folded to form an integral plate structure.

Through adopting above-mentioned technical scheme, the second state of luggage van is formed by each board is folding each other, because this kind of folding mode is direct folding, just can form whole folding through two returning face plates with the curb plate folding earlier than prior art, has more simple and convenient beneficial effect. In addition, the design of direct folding can avoid the use of the clamping piece, and further avoid the problem of reduced usability caused by the loss of the clamping piece, so the invention has stronger usability. The plate-type structure of the invention can not cause the situation that hands are hurt by the grid bars in the folding process, so the invention has safer effect.

The invention is further configured to: the luggage cart also has a third state;

when the luggage van is in the third state, the front plate, the back plate, the first side plate, the second side plate and the bottom plate are mutually matched to form an L-shaped structure, and an opening of the L-shaped structure faces upwards.

By adopting the technical scheme, the luggage van can form the third state in the folding process, the L-shaped structure formed by the plates can be used as a trailer in the third state, some luggage is large, the box body structure cannot be loaded when the luggage van is in the first state, and the L-shaped structure with the upward opening can be used for placing large luggage.

The invention is further configured to: when the luggage van is in a third state, the back plate, the first side plate and the second side plate are mutually folded to form a first placing plate, the front plate and the bottom plate are mutually folded to form a second placing plate, the first placing plate forms one side of the L-shaped structure, and the second placing plate forms the other side of the L-shaped structure.

By adopting the technical scheme, the luggage barrow can be in an optimal implementation mode, and each plate can form an L-shaped structure only by being folded once, so that the luggage barrow can be adjusted to the third state more conveniently and quickly.

The invention is further configured to: when the luggage van is in the first state,

one side end of the first side plate is hinged with one side end of the back plate, one side end of the second side plate is hinged with the other side end of the back plate, and the first side plate and the second side plate are arranged oppositely;

the bottom plate is overlapped with the bottom ends of the first side plate and the second side plate, one end of the bottom plate is hinged with the bottom end of the back plate, and the other end of the bottom plate is hinged with the bottom end of the front plate;

the front plate and the back plate are oppositely arranged, and the side end of the front plate, which is not hinged with the back plate, of the first side plate is overlapped with the side end of the second side plate, which is not hinged with the back plate.

Through adopting above-mentioned technical scheme, the articulated structure of each board like this realizes folding with opening the preferred embodiment with each board, and articulated mode than other rotation connection is more stable, and then enables overall structure more stable.

The invention is further configured to: when the luggage van is in the first state, the first side plate and the front plate are connected together through a locking device which can be unlocked, and the second side plate and the front plate are connected together through the same locking device.

Through adopting above-mentioned technical scheme, two locking device can make first curb plate, second curb plate and front bezel together fixed, avoid the front bezel landing under the effect of gravity, and the stability of luggage van under first state can be guaranteed in such setting.

The invention is further configured to: and one end of the bottom plate, which is hinged with the front plate, is provided with a hinged shaft limiting block.

Through adopting above-mentioned technical scheme, the articulated shaft stopper can make when locking device unblock, and the front bezel can not be along the articulated shaft landing.

The invention is further configured to: the front plate is provided with rotary limiting edges at two ends lapped with the first side plate and the second side plate; the bottom plate is provided with rotary limiting blocks at two ends which are not hinged with the back plate and the front plate; the rotation limiting edge is provided with an adaptive groove which can be matched with the rotation limiting block.

Through adopting above-mentioned technical scheme, rotatory spacing edge can restrict the rotation of first curb plate and second curb plate with rotatory stopper for first curb plate and second curb plate can only inwards rotate and fold, and can not outwards rotate.

The invention is further configured to: the back plate is provided with walking wheels, and the walking wheels are provided with folding devices.

Through adopting above-mentioned technical scheme, it is more convenient when the walking wheel can make the luggage van remove, and the folding device can make when needs fold up the luggage van, and the walking wheel can not occupy too much volume, reaches better effect of folding up.

The invention is further configured to: and a fixing device for locking the back plate and the bottom plate is arranged at the joint of the back plate and the bottom plate, and the fixing device can be unlocked.

Through adopting above-mentioned technical scheme, fixing device makes when the luggage van is in first state or third state, and box structure or L shape structure can be stable, with fixing device structure unblock for the bottom plate can be through the articulated shaft folding to backplate department.

The invention is further configured to: the backplate top is provided with and holds the chamber, it is provided with joint spare to hold the intracavity, be provided with on the joint spare and be used for restricting the spacing ring of joint spare from holding the chamber slippage, the bottom plate is provided with the joint piece near front bezel one end, and when the luggage van was in the second state, joint spare and joint piece can block and be fixed with the whole board.

Through adopting above-mentioned technical scheme, the block through joint spare and joint piece can increase the stability of whole plate structure to such setting only needs a set of joint spare and joint piece just can make whole plate stable in structure.

In conclusion, the invention has the following beneficial effects:

firstly, the device is safe and stable and is convenient to use;

secondly, the storage is neat, and the folding effect is good;

thirdly, can enough form the box structure and use as ordinary luggage van, can form L shape structure again and use as major possession luggage trailer, the function is various, can satisfy the different demands of daily family life.

Drawings

Fig. 1 is an overall configuration diagram of a first state of the present embodiment;

FIG. 2 is another schematic view of the overall structure of the first state in the present embodiment;

FIG. 3 is a schematic structural diagram of a second state of the present embodiment;

FIG. 4 is a schematic structural diagram of a third state of the present embodiment;

FIG. 5 is a schematic structural view of the locking device of the present embodiment;

FIG. 6 is a schematic structural view of another locking device of the present embodiment;

FIG. 7 is a schematic structural view of the locking device of the present embodiment when unlocked;

FIG. 8 is an enlarged schematic view at B of FIG. 7;

fig. 9 is a schematic structural view of the first side plate folded in the present embodiment;

fig. 10 is a schematic structural view of the second side plate of the present embodiment when folded;

FIG. 11 is an enlarged schematic view at A of FIG. 10;

FIG. 12 is a schematic diagram showing the positional relationship between the engaging member and the engaging block in the present embodiment;

FIG. 13 is a schematic view showing a connection relationship between the card connecting member and the card connecting block in the present embodiment;

FIG. 14 is a schematic view of the internal structure of the accommodating chamber in the present embodiment;

fig. 15 is an exploded view of the traveling wheel in the present embodiment;

FIG. 16 is a schematic view showing the structure of the fixing device of this embodiment;

fig. 17 is another schematic structural view of the fixing device of the present embodiment.

In the figure: 1. a back plate; 2. a first side plate; 2a, a handle card; 3. a second side plate; 4. a front plate; 4a, a rotation limiting edge; 4b, an adapting groove; 5. a base plate; 5a, a rotation limiting block; 5b, a hinge shaft limiting block; 6. a traveling wheel; 6a, an installation part; 6a1, mounting holes; 6a2, second locating hole; 6a3 screw holes; 6b, mounting a pipe; 6b1, first locating hole; 6b2, slide rail; 6c, a U-shaped elastic piece; 6c1, locating piece; 6d, a limit screw; 7. a telescopic pull rod; 8. a handle aperture; 9. a locking device; 9a, a rotating handle; 9b, a yielding groove; 9c, a handle limiting block; 9d, anti-falling bulges are arranged; 10. an insertion block; 11. inserting grooves; 12. a clamping piece; 12a, a limiting ring; 13. a clamping block; 14. an accommodating chamber; 15. a button; 15a, a button limiting block; 15b, a guide block; 16. a fixing member; 16a, a guide groove; 16b, a second guide slope; 16c, a third guide slope; 17. fixing the rod; 17a, a second fixing hole; 18. receiving the block; 19. mounting a box; 19a, a sliding groove.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

In which like parts are designated by like reference numerals. It should be noted that the following description uses the words "front," "back," "above," "below," and the like, to refer to directions in the drawings, and the words "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. In addition, the descriptions of "mounted on … …", "disposed on … …" and the like refer to two components having a certain connection and positional relationship, and do not refer to one component being on the upper surface of the other component. In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

A luggage van with multiple states is shown in fig. 1 and 2, and comprises a front plate 4, a back plate 1, a first side plate 2, a second side plate 3 and a bottom plate 5; under the first state, the front plate 4, the back plate 1, the first side plate 2, the second side plate 3 and the bottom plate 5 are mutually matched to form a box body structure, and the box body structure is provided with a containing cavity and an upper end opening. In this embodiment, the back plate 1 is further provided with a telescopic pull rod 7 and two walking wheels 6, and the bottom plate 5 is provided with a support member. It should be noted that this embodiment is a preferred embodiment, and in other embodiments, the telescopic pull rod 7 may be replaced by a common pull rod, a pull rope, or even a handle; the number of the walking wheels 6 can also be set to be one or more, and the walking wheels can also be set to be other walking modes besides the walking wheels 6; the supporting part is not arranged or a plurality of supporting parts are arranged; the technical scheme formed by simply replacing or changing the components is the technical scheme capable of realizing the protection of the invention.

Referring to fig. 1 and 3, when the luggage barrow is in the second state, the front panel 4, the back panel 1, the first side panel 2, the second side panel 3 and the bottom panel 5 are directly folded with each other to form an integral panel structure. The second state of luggage van is by each board folding formation each other, because this kind of folding mode is direct folding, just can form wholly folding up through two returning face plates with the curb plate folding earlier than prior art, has more simple and convenient beneficial effect. In addition, the design of direct folding can avoid the use of the clamping piece, and further avoid the problem of reduced usability caused by the loss of the clamping piece, so the invention has stronger usability. The plate-type structure of the invention can not cause the situation that hands are hurt by the grid bars in the folding process, so the invention has safer effect.

Referring to fig. 4, when the luggage barrow is in the third state, the front plate 4, the back plate 1, the first side plate 2, the second side plate 3 and the bottom plate 5 are mutually matched to form an L-shaped structure, and the opening of the L-shaped structure faces upwards to be capable of containing luggage. In the folding process, the luggage barrow can form a third state, in the third state, the L-shaped structure formed by the plates can be used as a trailer, some luggage is larger, the box body structure cannot be loaded when the luggage barrow is in the first state, and the L-shaped structure with the upward opening can be used for placing the large luggage. Specifically, when the luggage barrow of the present embodiment is in the third state, the back panel 1, the first side panel 2 and the second side panel 3 are folded with each other to form a first placing panel, and the front panel 4 and the bottom panel 5 are folded with each other to form a second placing panel, where the first placing panel constitutes one side of the L-shaped structure and the second placing panel constitutes the other side of the L-shaped structure.

It should be noted that this embodiment is only a preferred embodiment, and each plate can be folded once to form an L-shaped structure, so that the adjustment of the luggage barrow to the third state is easier and faster. In other embodiments, the front panel 4 may be folded to the first side panel 2, then folded to the back panel 1 together with the first side panel 2, and the second side panel 3 may be folded to the bottom panel 5 or the back panel 1, or other forms that simply change the folding manner may be adopted, and as long as the folding of the panels is implemented, the first placing panel and the second placing panel can be formed to form an L-shaped structure, which is a technical solution that can implement the claimed invention.

Referring to fig. 1, 9 and 10, in the present embodiment, when the luggage barrow is in the first state, one side end of the first side plate 2 is hinged to one side end of the back plate 1, one side end of the second side plate 3 is hinged to the other side end of the back plate 1, and the first side plate 2 is arranged opposite to the second side plate 3; the bottom plate 5 is overlapped with the bottom ends of the first side plate 2 and the second side plate 3, one end of the bottom plate 5 is hinged with the bottom end of the back plate 1, and the other end of the bottom plate 5 is hinged with the bottom end of the front plate 4; the front plate 4 is opposite to the back plate 1, and the side end of the front plate 4, which is not hinged with the back plate 1, of the first side plate 2 is overlapped with the side end of the second side plate 3, which is not hinged with the back plate 1. First curb plate 2 and second curb plate 3 all can be provided with handle hole 8, and handle hole 8 can conveniently mention the luggage van.

It should be noted that such a structure that each panel is hinged is a preferred embodiment for folding and unfolding each panel, and the hinge is more stable than other folding modes, so that the whole structure is more stable. Other folding methods, such as folding by cardboard, cloth, etc., are all technical solutions that can achieve the claimed invention as long as the folding of each panel can be achieved.

Referring to fig. 5 and 6, when the luggage van is in the first state, the first side panel 2 and the front panel 4 are connected together by a locking device 9 that can be unlocked, and the second side panel 3 and the front panel 4 are connected together by the same locking device 9. Specifically, locking device 9 includes rotatory handle 9a, handle stopper 9c, the groove of stepping down 9b and anticreep is protruding 9d, and rotatory handle 9a sets up at the lapped side of first curb plate 2/second curb plate 3 and front bezel 4, and the groove of stepping down 9b with rotatory handle 9a adaptation, the handle stopper 9c of restriction rotatory handle 9a back-out operating position and the anticreep that prevents that rotatory handle 9a from slipping off easily are protruding 9d all sets up on front bezel 4. Two locking device 9 can make first curb plate 2, second curb plate 3 and front bezel 4 fixed together, avoid front bezel 4 landing under the effect of gravity, and the stability of luggage van under first state can be guaranteed in such setting. It should be noted that, in other embodiments, the locking device 9 may be a buckle, a snap lock, or some other locking device 9 capable of fixing the first side plate 2 and the second side plate 3 to the front plate 4, and simple replacement of the locking device 9 is all the technical solutions capable of implementing the claimed invention.

Referring to fig. 7 and 8, the bottom plate 5 is provided with a hinge shaft stopper 5b at one end hinged to the front plate 4. The hinge shaft stopper 5b enables the front plate 4 not to slip down along the hinge shaft when the locking device 9 is unlocked. Under the action of the hinge shaft limiting block 5b in this embodiment, the front plate 4 can rotate to a state of forming an included angle of 25 ° with the vertical plane at most, and in other embodiments, the included angle may be any one of 10 ° to 45 °.

Referring to fig. 6 and 7, the side of the first side plate 2 overlapping the front plate 4 is provided with an insertion block 10, the side of the second side plate 3 overlapping the front plate 4 is also provided with an insertion block 10, and the front plate 4 is provided with an insertion groove 11 adapted to the insertion block 10. The front plate 4 is provided with a rotation limiting edge 4a at two ends overlapped with the first side plate 2 and the second side plate 3; the bottom plate 5 is provided with a rotation limiting block 5a at two ends which are not hinged with the back plate 1 and the front plate 4, and the rotation limiting block 4a and the rotation limiting block 5a can limit the rotation of the first side plate 2 and the second side plate 3, so that the first side plate 2 and the second side plate 3 can only rotate inwards and are folded, but cannot rotate outwards. The rotation limiting edge 4a is provided with an adapting groove 4b which can be adapted to the rotation limiting block 5 a.

Referring to fig. 10 and 11, the first side plate 2 is provided with a handle clip 2a, and when the first side plate 2 and the second side plate 3 are rotated to the back plate 1 to form a first placing plate, the handle clip 2a can receive a rotating handle 9a provided at the second side plate 3.

Referring to fig. 3, 12, 13 and 14, the top end of the back plate 1 is provided with an accommodating cavity 14, a clamping member 12 is arranged in the accommodating cavity 14, a limiting ring 12a for limiting the clamping member 12 to slip from the accommodating cavity 14 is arranged on the clamping member 12, a clamping block 13 is arranged at one end of the bottom plate 5 close to the front plate 4, and when the luggage barrow is in the second state, the clamping member 12 and the clamping block 13 can be clamped and fix the whole board. The stability of whole plate structure can be increased through the block of joint spare 12 and joint piece 13 to such setting only needs a set of joint spare 12 and joint piece 13 just can make whole plate stable in structure.

Referring to fig. 2 and 15, a folding device is arranged at the travelling wheels 6. The walking wheels 6 can make the luggage van more convenient to move, and the folding device can ensure that the walking wheels 6 do not occupy too much volume when the luggage van is required to be folded, thereby achieving better folding effect. Specifically, the folding device adopted by the invention comprises a mounting part 6a, a hollow mounting tube 6b, a limit screw 6d, a slide rail 6b2 and a U-shaped elastic part 6c, wherein the mounting part 6a is arranged on the back plate 1, the mounting tube 6b is arranged at the upper part of the travelling wheel 6, the mounting part 6a is provided with a mounting hole 6a1 for mounting the mounting tube 6b, the slide rail 6b2 is arranged on the mounting tube 6b, the mounting part 6a is provided with a screw hole 6a3, the limit screw 6d passes through the screw hole 6a3 and is matched with the slide rail 6b2, the U-shaped elastic part 6c is arranged in the mounting tube 6b, the U-shaped elastic part 6c is attached to the inner wall of the mounting tube 6b under the action of elastic force, the U-shaped elastic part 6c is provided with a positioning piece 6c1, the mounting tube 6b is provided with a first positioning hole 6b1, the mounting part 6a is provided with a second positioning hole 6a2, and the positioning piece 6c1 passes through the first positioning hole 6b1 and the second positioning piece 6a2, and the positioning piece 6c1 is arranged at the part of the round corner exposed out of the second positioning hole 6a 2. When the traveling wheel 6 needs to be folded, the positioning piece 6c1 is pressed into the second positioning hole 6a2 by force, the mounting tube 6b is rotated at the moment, the positioning piece 6c1 compresses the U-shaped elastic piece 6c under the action of the round angle and the mounting portion 6a and slips off from the second positioning hole 6a2, and the rotation angle can be limited under the combined action of the limiting screw 6d and the sliding rail 6b 2. When the road wheels 6 need to be opened, the positioning piece 6c1 is rotated to the position of the second positioning hole 6a2, and the positioning piece 6c1 can be ejected under the action of the U-shaped elastic piece 6c and is matched with the second positioning hole 6a2, so that the mounting pipe 6b cannot rotate.

It should be noted that this way of folding the road wheels 6 is only a preferred embodiment. Other ways of folding the travelling wheels 6 are all technical schemes required by the invention.

Referring to fig. 2, 16 and 17, the connection between the backboard 1 and the bottom board 5 is provided with a fixing device for locking the backboard 1 and the bottom board 5, and the fixing device can be unlocked. The fixing device enables the box body structure or the L-shaped structure to be stable when the luggage van is in the first state or the third state, and unlocks the fixing device structure, so that the bottom plate 5 can be folded to the back plate 1 through the hinge shaft.

The fixing device comprises two fixing rods 17, a receiving block 18, a mounting box 19, a button 15, two fixing pieces 16 and a return spring (not shown in the figure), wherein the mounting box 19 is arranged in a hollow manner and is arranged at the bottom of the back plate 1. Mounting box 19 is provided with 15 holes of button, and 15 holes of button set up in one side that mounting box 19 is close to walking wheel 6, and button 15 sets up in 15 holes of button department, and 15 holes of button and the cooperation of pegging graft of button 15, are provided with the 15 stopper of button that are used for preventing 15 holes of button slippage on the button 15. The both sides that the mounting box 19 is not relative with button 15 hole all are provided with first fixed orifices, two mountings 16 respectively with two first fixed orifices cooperation of pegging graft, two dead levers 17 set up respectively outside mounting box 19 does not with two lateral walls that the button 15 hole is relative, two dead levers 17 all are provided with second fixed orifices 17a, when fixing device plays the fixed action, two dead levers 17 laminate with two lateral walls of mounting box 19 respectively, two mountings 16 respectively with two second fixed orifices 17a cooperation of pegging graft.

Two are accomodate piece 18 and all set up in bottom plate 5 bottom, and two are accomodate piece 18 and all are provided with and accomodate the chamber, and two dead levers 17 set up respectively and accomodate the intracavity at two. The button 15 is provided with two guide blocks 15b, two fixing pieces 16 are provided with guide grooves 16a, two ends of the return spring are connected with the two fixing pieces 16 respectively, the guide blocks 15b are provided with first guide inclined planes, the guide grooves 16a are provided with second guide inclined planes 16b, the guide blocks 15b and the guide grooves 16a are matched with the second guide inclined planes 16b through the first guide inclined planes, the button 15 is pressed, the two guide blocks 15b can be enabled to be from an initial position to a compression position, the return spring is compressed by the two fixing pieces 16 at the moment, the two fixing pieces 16 slip from the two second fixing holes 17a respectively, and the fixing effect of the two fixing pieces 16 on the two fixing rods 17 is relieved. Two sliding grooves 19a are formed in the mounting box 19, two fixing pieces 16 are arranged in the two sliding grooves 19a, and the two fixing pieces 16 can return to the initial position from the compression position under the action of a return spring and the sliding grooves 19 a. The two fixing pieces 16 are provided with third guiding inclined planes 16c at the ends inserted into the two second fixing holes 17a, and the third guiding inclined planes 16c incline from the side far away from the bottom plate 5 to the side near the bottom plate 5.

It should be noted that, in addition to the above-mentioned fixing device, the fixing device that can fix the bottom plate 5 and the back plate 1 and can be unlocked is all the technical solutions that can achieve the protection of the present invention.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A luggage van with multiple states is characterized in that: comprises a front plate (4), a back plate (1), a first side plate (2), a second side plate (3) and a bottom plate (5);

the luggage van has at least two states, wherein,

when the luggage van is in a first state, the front plate (4), the back plate (1), the first side plate (2), the second side plate (3) and the bottom plate (5) are matched with each other to form a box body structure, and the box body structure is provided with an accommodating cavity and an opening at the upper end;

when the luggage van is in a second state, the front plate (4), the back plate (1), the first side plate (2), the second side plate (3) and the bottom plate (5) are directly folded with one another to form an integral plate structure;

one side end of the first side plate (2) is hinged with one side end of the back plate (1), one side end of the second side plate (3) is hinged with the other side end of the back plate (1), and the first side plate (2) and the second side plate (3) are arranged oppositely;

the bottom plate (5) is overlapped with the bottom ends of the first side plate (2) and the second side plate (3), one end of the bottom plate (5) is hinged with the bottom end of the back plate (1), and the other end of the bottom plate is hinged with the bottom end of the front plate (4);

the front plate (4) and the back plate (1) are arranged oppositely, and the front plate (4) and the side end of the first side plate (2) which is not hinged with the back plate (1) are overlapped with the side end of the second side plate (3) which is not hinged with the back plate (1);

the front plate (4) is provided with rotary limiting edges (4a) at two ends overlapped with the first side plate (2) and the second side plate (3); the bottom plate (5) is provided with rotary limiting blocks (5a) at two ends which are not hinged with the back plate (1) and the front plate (4); the rotation limiting edge (4a) is provided with an adapting groove (4b) which can be adapted to the rotation limiting block (5 a).

2. A multi-configuration luggage cart in accordance with claim 1, wherein:

the luggage cart also has a third state;

when the luggage van is in a third state, the front plate (4), the back plate (1), the first side plate (2), the second side plate (3) and the bottom plate (5) are mutually matched to form an L-shaped structure, and an opening of the L-shaped structure faces upwards.

3. A multi-configuration luggage cart in accordance with claim 2, wherein: when the luggage van is in a third state, the back plate (1), the first side plate (2) and the second side plate (3) are mutually folded to form a first placing plate, the front plate (4) and the bottom plate (5) are mutually folded to form a second placing plate, the first placing plate forms one side of the L-shaped structure, and the second placing plate forms the other side of the L-shaped structure.

4. A multi-configuration luggage cart in accordance with claim 1, wherein: when the luggage van is in the first state, the first side plate (2) and the front plate (4) are connected together through an unlockable locking device (9), and the second side plate (3) and the front plate (4) are connected together through the same locking device (9).

5. A multi-state luggage cart in accordance with claim 4, wherein: and a hinge shaft limiting block (5 b) is arranged at one end of the bottom plate (5) hinged with the front plate (4).

6. A multi-configuration luggage cart in accordance with claim 1, wherein: the back plate (1) is provided with a travelling wheel (6), and a folding device is arranged at the travelling wheel (6).

7. A multi-configuration luggage cart in accordance with claim 1, wherein: and a fixing device for locking the back plate (1) and the bottom plate (5) is arranged at the joint of the back plate (1) and the bottom plate (5), and the fixing device can be unlocked.

8. A multi-configuration luggage cart in accordance with claim 1, wherein: backplate (1) top is provided with and holds chamber (14), it is provided with joint spare (12) in chamber (14) to hold, be provided with on joint spare (12) and be used for restricting joint spare (12) from spacing ring (12a) that hold chamber (14) slippage, bottom plate (5) are close to front bezel (4) one end and are provided with joint piece (13), and when the luggage van is in the second state, joint spare (12) and joint piece (13) can the joint and be fixed with the whole board.