CN215795079U

CN215795079U - Folding box

Info

Publication number: CN215795079U
Application number: CN202121232677.XU
Authority: CN
Inventors: 王海清; 胡先品; 李文辉; 谢润锋; 徐晓彤; 李宏
Original assignee: Shenzhen Gudayi Technology Co ltd
Current assignee: Shenzhen Gudayi Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-11
Anticipated expiration: 2031-06-03
Also published as: WO2022252703A1

Abstract

The utility model discloses a folding box which comprises an upper frame, an upper cover plate and a lower cover plate, wherein the right end of the upper cover plate is rotatably connected to a right end frame body of the upper frame, the left end of the lower cover plate is rotatably connected to a left end frame body of the upper frame, the left end of the upper cover plate can be lapped on the right end of the lower cover plate, lock holes are formed in the opposite sides of a front frame and a rear frame of the upper frame, a slide button lock is arranged at the left end of the upper cover plate and comprises a slide button, a lock tongue and a lock shaft, the slide button can be installed at the left end of the upper cover plate in a left-right sliding mode, the outer contour of the lock tongue is triangular, the first end of the lock tongue is rotatably connected to the upper cover plate, the second end of the lock tongue is rotatably and slidably connected to the bottom of the slide button, the third end of the lock shaft is a free end, and the lock shaft can be installed in the left end of the upper cover plate in a front-back sliding mode. Through setting up the slide fastener lock for the user only need the horizontal slip slide fastener alright with folding box locking or the unblock that will expand or fold, the unblock facilitates the use, can improve user experience.

Description

Folding box

Technical Field

The utility model belongs to the technical field of carrying boxes, and particularly relates to a folding box.

Background

A wide variety of cases or cartons for holding articles for storage or transport are known in the art. These known boxes are made of various materials, such as cardboard, wood, metal and plastic.

When the containing box or the carrying box is not needed to be used, the box occupies a large space, and is inconvenient to store and place. The locking when current case can't be convenient folding and expansion uses inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding box which is simple in structure, convenient to lock and unlock when folded, folded and unfolded and capable of improving user experience.

The utility model is realized by the following technical scheme:

a folding box comprises an upper frame, an upper cover plate and a lower cover plate, wherein the right end of the upper cover plate is rotatably connected to a right end frame body of the upper frame, the left end of the lower cover plate is rotatably connected to a left end frame body of the upper frame, the left end of the upper cover plate can be lapped on the right end of the lower cover plate, lock holes are formed in the opposite sides of the front frame and the rear frame of the upper frame, a slide button lock is arranged at the left end of the upper cover plate and comprises a slide button, a lock tongue and a lock shaft, the slide button can be installed at the left end of the upper cover plate in a left-right sliding mode, the peripheral outline of the lock tongue is triangular, the first end of the lock tongue is rotatably connected to the upper cover plate, the second end of the lock tongue is rotatably and slidably connected to the bottom of the slide button, the third end of the lock shaft is a free end, the lock shaft can be installed inside the left end of the upper cover plate in a front-back sliding mode, when the slide button is slid leftwards, the lock tongue rotates by taking the first end of the lock tongue as a rotation center so that the third end is abutted to the lock shaft and one end, far away from the lock tongue, of the lock shaft is matched with the lock hole.

As a further improvement of the above technical solution, the upper cover plate is provided with a lower groove at a middle position in the front-rear direction, the sliding button is slidably disposed in the lower groove, the number of the lock tongues is two, the two lock tongues are symmetrically disposed on two sides of the first plane, the second ends of the two lock tongues are close to the first plane, the number of the lock shafts is two, the two lock shafts are symmetrically disposed on two sides of the first plane, and the first plane is perpendicular to the front-rear direction and equally divides the upper cover plate.

As a further improvement of the above technical solution, the lock shaft is further provided with a fastening tooth, the fastening tooth is parallel to the bottom surface of the upper cover plate, the lower cover plate is provided with a fastening edge matched with the fastening tooth, the left end of the upper cover plate is provided with an edge groove for accommodating the fastening edge, and after the folding box is locked, the fastening tooth is fastened to the fastening edge.

As a further improvement of the above technical solution, the lower groove is provided with a first receiving hole and a second receiving hole which vertically penetrate through the upper cover plate, the slider lock further comprises a fixing seat which is fixed at the bottom of the upper cover plate and located below the lower groove, a first end of the lock tongue is rotatably mounted on the fixing seat, a second end of the lock tongue is provided with a kidney-shaped hole, the bottom of the slider is provided with a connecting column and a sliding seat, the connecting column can move left and right and is arranged in the first receiving hole in a penetrating manner and is mounted in the kidney-shaped hole, the fixing seat is provided with a sliding rod extending in the left and right direction, the sliding seat is provided with a sliding hole, the sliding seat can move left and is arranged in the second receiving hole in a penetrating manner and is matched in the sliding hole.

As a further improvement of the above technical solution, a positioning seat is provided at the bottom of the sliding button, a sliding slot or a sliding block is provided on the positioning seat, a positioning slot is provided in the lower groove, a sliding block or a sliding slot for fitting the sliding slot or the sliding block is provided on the surface of the positioning slot, and a touch slot is provided on the surface of the sliding button.

As a further improvement of the above technical solution, the left end of the lower groove is provided with a first strap hole, the sliding knob is provided with a second strap hole, the lower cover plate is provided with a dodging groove, when the sliding knob is slid to align the first strap hole with the second strap hole, the lock shaft is matched with the lock hole, and at the moment, the first strap hole is located above the right part of the dodging groove.

As a further improvement of the above technical solution, the folding box further includes a bottom plate, a front long side plate, a rear long side plate, a left wide side plate and a right wide side plate, wherein the front long side plate and the rear long side plate include an upper plate and a lower plate, the upper plate and the lower plate are rotatably connected to each other, free ends of the lower plates of the front long side plate and the rear long side plate are respectively and correspondingly rotatably connected to a front end and a rear end of the bottom plate, free ends of the upper plates of the front long side plate and the rear long side plate are respectively and correspondingly rotatably connected to a front end frame body and a rear end frame body of the upper frame, and lower ends of the left wide side plate and the right wide side plate are respectively and correspondingly rotatably connected to a left end and a right end of the bottom plate.

As a further improvement of the technical scheme, the upper cover plate and the one end that the upper ledge is connected and the lower cover plate and the one end that the upper ledge is connected all are equipped with spacing colluding, work as the folding box expandes just the upper cover plate with the lower cover plate lid is fashionable, spacing on the upper cover plate collude the joint in the top frame of the wide curb plate in the right side, spacing on the apron down collude the joint in the top frame of the wide curb plate in the left side.

As a further improvement of the technical scheme, the left end and the right end of the front long side plate and the left end and the right end of the rear long side plate are designed into trapezoidal dovetail structures, and the front end and the rear end of the left wide side plate and the front end and the rear end of the right wide side plate are designed into trapezoidal dovetail structures matched with the left end and the right end of the front long side plate and the trapezoidal dovetail structures at the left end and the right end of the rear long side plate.

As a further improvement of the technical scheme, hand-shaped hollow grooves are formed in the left wide side plate and the right wide side plate.

The utility model has the beneficial effects that: the folding box comprises an upper frame, an upper cover plate and a lower cover plate, wherein the right end of the upper cover plate is rotatably connected with a right end frame body of the upper frame, the left end of the lower cover plate is rotatably connected with a left end frame body of the upper frame, the left end of the upper cover plate can be lapped on the right end of the lower cover plate, lock holes are formed in the opposite sides of a front frame and a rear frame of the upper frame, a slide button lock is arranged at the left end of the upper cover plate and comprises a slide button, a lock tongue and a lock shaft, the slide button can be installed at the left end of the upper cover plate in a left-right sliding mode, the peripheral outline of the lock tongue is triangular, the first end of the lock tongue is rotatably connected to the upper cover plate, the second end of the lock tongue is rotatably and slidably connected to the bottom of the slide button, the third end of the lock shaft is a free end, the lock shaft can be installed in the left end of the upper cover plate in a front-back sliding mode, when the slide button is slid to the left, the lock tongue rotates by taking the first end of the lock tongue as a rotation center so that the third end is abutted to the lock shaft and one end, far away from the lock tongue, of the lock shaft is matched with the lock hole. Through setting up the slider lock for the user only need the horizontal slip slider alright with folding box locking or the unblock that will expand or fold, the unblock facilitates the use, can improve user experience.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

FIG. 1 is a schematic view of a fully unfolded folding case according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a folding carton according to an embodiment of the present invention when not fully unfolded;

FIG. 3 is a schematic view of a fully folded folding box according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a folding box according to an embodiment of the present invention, taken along a front-rear direction;

FIG. 5 is a schematic bottom view of the upper lid panel of the folding box according to the embodiment of the present invention;

FIG. 6 is a schematic view showing the structure of the connection of the upper cover plate, the rear long side plate and the right wide side plate of the folding box according to the embodiment of the present invention;

FIG. 7 is a schematic view of a portion of a slide lock of a folding carton according to an embodiment of the present invention;

fig. 8 is a schematic view of the folding box according to the embodiment of the present invention, with the slider removed from the upper cover.

Fig. 9 is an enlarged view of a portion a in fig. 8;

fig. 10 is a schematic structural view of a slide of a folding box according to an embodiment of the present invention.

Wherein: the upper frame 1, the lock hole 11, the upper cover plate 2, the lower groove 21, the first accommodation hole 211, the second accommodation hole 213, the first tie hole 212, the lower cover plate 3, the avoiding groove 31, the button 431, the button edge 32, the edge groove 23, the sliding button lock 4, the sliding button 41, the touch groove 411, the second tie hole 412, the positioning seat 413, the positioning groove 214, the sliding groove 4131, the connecting column 414, the sliding seat 415, the sliding hole 4151, the left wide side plate 5, the right wide side plate 6, the hand-shaped hollow groove 51, the trapezoid dovetail tenon structure 52, the rear long side plate 9, the front long side plate 7, the bottom plate 8, the lock shaft 43, the lock tongue 45, the waist-shaped hole 451, the fixing seat 42, the sliding rod 422 and the limit hook 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the embodiments of the present invention.

In the present invention, "up, down, left, right, front, and rear" are directions shown in the drawings.

Next, a folding box according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 10.

As shown in fig. 1-10, the folding box provided by the present invention comprises an upper frame 1, an upper cover plate 2 and a lower cover plate 3, wherein the right end of the upper cover plate 2 is rotatably connected to the right end frame of the upper frame 1, the left end of the lower cover plate 3 is rotatably connected to the left end frame of the upper frame 1, the left end of the upper cover plate 2 can be overlapped on the right end of the lower cover plate 3, the opposite sides of the front frame and the rear frame of the upper frame 1 are provided with locking holes 11, the left end of the upper cover plate 2 is provided with a slide lock 4, the slide lock 4 comprises a slide knob 41, a lock tongue 45 and a lock shaft 43, the slide knob 41 is slidably mounted on the left end of the upper cover plate 2, the outer contour of the lock tongue 45 is triangular, preferably right triangular or obtuse triangular, and the first end thereof is rotatably connected to the upper cover plate 2, and the second end thereof is rotatably and slidably connected to the bottom of the slide knob 41, the third end is a free end, the locking shaft 43 is installed inside the left end of the upper cover plate 2 in a forward and backward sliding manner, when the sliding knob 41 is slid leftward, the locking tongue 45 rotates with the first end as a rotation center so that the third end abuts against the locking shaft 43, and one end of the locking shaft 43, which is far away from the locking tongue 45, is fitted to the locking hole 11, and when the sliding knob 41 is slid rightward, the locking tongue 45 reversely rotates with the first end as a rotation center so that the third end is separated from the locking shaft 43, and one end of the locking shaft 43, which is far away from the locking tongue 45, is separated from the locking hole 11.

It should be noted that, when the triangle is a right triangle or an obtuse triangle, the first end may be a right angle end or an obtuse angle end, the second end may be an acute angle end with the smallest angle value, and the other end is a third end. For less material consumption and weight of the locking tongue 45, the middle of the locking tongue 45 may be hollowed out so that the entire locking tongue 45 may be ring-shaped.

Therefore, according to the folding box provided by the embodiment of the utility model, the slide button lock 4 is arranged in a triangular shape, and the triangular lock tongue 45 is connected in different ways, so that a user can lock or unlock the unfolded or folded folding box by sliding the slide button 41 left and right, the unlocking is convenient to use, the user experience can be improved, and the folding box is simple in structure through ingenious matching among all parts.

Further, the folding box further comprises a bottom plate 8, a front long side plate 7, a rear long side plate 9, a left wide side plate 5 and a right wide side plate 6, wherein the front long side plate 7 and the rear long side plate 9 both comprise an upper plate and a lower plate, in the drawing, the upper plate of the front long side plate 7 is marked as the upper plate, the lower plate of the rear long side plate 9 is marked as the lower plate, the upper plate and the lower plate are rotatably connected, the free ends of the lower plates of the front long side plate 7 and the rear long side plate 9 are respectively and correspondingly and rotatably connected to the front end and the rear end of the bottom plate 8, the free ends of the upper plates of the front long side plate 7 and the rear long side plate 9 are respectively and correspondingly and rotatably connected to the front end frame and the rear end frame of the upper frame 1, and the lower ends of the left wide side plate 5 and the right wide side plate 6 are respectively and rotatably connected to the left end and the right end of the bottom plate 8.

In some embodiments, the maximum angle of rotation between the left wide side panel 5 and the left end of the bottom panel 8, and between the right wide side panel 6 and the bottom panel 8, is in degrees. When the case expandes completely, left side wide curb plate 5 just can't continue outside upset with perpendicular to bottom plate 8, right side wide curb plate 6 just can't continue outside upset with perpendicular to bottom plate 8, the right-hand member inboard of upper cover plate 2 and the left end inboard of lower cover plate 3 are equipped with the dog, it is fashionable when upper cover plate 2 and lower cover plate 3 lid, dog on the upper cover plate 2 can restrict the upset of right side wide curb plate 6 to the case inboard, dog on the lower cover plate 3 can restrict the upset of left side wide curb plate 5 to the case inboard, simultaneously, upper cover plate 2 and lower cover plate 3 are locked with preceding long curb plate 7 and back long curb plate 9 through slide button lock 4. When the folding box in the unfolding state is folded, a user pushes the left wide side plate 5 and the right wide side plate 6 towards the inside of the box by using handles, so that the left wide side plate 5 and the right wide side plate 6 are attached to the bottom plate 8, the upper plate and the lower plate of the front long side plate 7 and the rear long side plate 9 are folded and then attached to the left wide side plate 5 and the right wide side plate 6, the upper cover plate 2 and the lower cover plate 3 are attached to the front long side plate 7 and the rear long side plate 9, and the upper cover plate 2 is buckled on the lower cover plate 3. The right-hand member of upper cover plate 2 and the right-hand member framework of last frame 1 are all connected through connecting the axle tooth between the left end of lower cover plate 3 and the left end framework of last frame 1, make from this that upper cover plate 2 and lower cover plate 3 can overturn on last frame 1. The free ends of the lower plates of the front long side plate 7 and the rear long side plate 9 and the front end and the rear end of the corresponding bottom plate 8, the free ends of the upper plates of the front long side plate 7 and the rear long side plate 9 and the front end frame and the rear end frame of the corresponding upper frame 1, and the lower ends of the left wide side plate 5 and the right wide side plate 6 and the left end and the right end of the corresponding bottom plate 8 are connected by connecting shafts. The connecting shafts between the lower ends of the left wide side plate 5 and the right wide side plate 6 and the left end and the right end of the corresponding bottom plate 8 can adopt limit shafts, so that the maximum rotating angles between the left wide side plate 5 and the left end of the bottom plate 8 and between the right wide side plate 6 and the bottom plate 8 are degrees.

Further, a frame convex edge is arranged on the frame body of the upper frame 1, and cover plate concave groove edges are arranged at the front edge and the rear edge of the upper cover plate 2 and the lower cover plate 3. Thereby providing a better closure of the box.

Furthermore, a second hidden button male head or a second hidden button female head is arranged on the upper plate, and a second hidden button female head or a second hidden button male head is correspondingly arranged on the lower plate. Therefore, when the box is folded, the upper plate and the lower plate are fixed, and the box is convenient to take and place.

Further, the upper cover plate 2 with the one end that the upper frame 1 is connected with the lower cover plate 3 with the one end that the upper frame 1 is connected all is equipped with spacing colluding 22, works as the folding box expandes just the upper cover plate 2 with it is fashionable that the lower cover plate 3 covers, spacing colluding 22 joint on the upper cover plate 2 in the top frame of wide curb plate 6 in the right side, spacing colluding 22 joint on the lower cover plate 3 in the top frame of wide curb plate 5 in the left side. Therefore, when the folding box is unfolded, the left wide side plate 5 and the right wide side plate 6 cannot be pushed away from the outside in the direction of the inside of the box, and the stability of the box when the box is unfolded is ensured.

Further, both ends about preceding long curb plate 7 with both ends design for trapezoidal dovetail structure 52 about back long curb plate 9, both ends around the wide curb plate 5 of a left side with both ends design for the trapezoidal dovetail structure 52 of the trapezoidal dovetail structure 52 adaptation with both ends about preceding long curb plate 7 with both ends about back long curb plate 9 around the wide curb plate 6 of the right side. Thus, when the box is completely unfolded, the trapezoid dovetail structures 52 on the wide side plates are matched with the trapezoid dovetail structures 52 on the long side plates, so that the folding box has better stability and bearing performance when being unfolded.

Further, hand-shaped hollow grooves 51 are formed in the left wide side plate 5 and the right wide side plate 6. Thereby facilitating the handling of the folding carton.

Further, a lower groove 21 is formed in the upper cover plate 2 at the middle position in the front-back direction, the sliding button 41 is arranged in the lower groove 21 in a left-right sliding manner, two locking tongues 45 are arranged, the two locking tongues 45 are symmetrically arranged on two sides of a first plane, the second end of each locking tongue 45 is close to the first plane, two locking shafts 43 are arranged, the two locking shafts 43 are symmetrically arranged on two sides of the first plane, and the first plane is perpendicular to the front-back direction and divides the upper cover plate 2 into equal parts. This results in a better locking effect of the slider lock 4. The folding box can be locked and unlocked more stably and reliably.

Further, the locking shaft 43 is further provided with a fastening tooth 431, the fastening tooth 431 is parallel to the bottom surface of the upper cover plate 2, the lower cover plate 3 is provided with a fastening edge 32 matched with the fastening tooth 431, the left end of the upper cover plate 2 is provided with an edge groove 23 for accommodating the fastening edge 32, and when the folding box is locked, the fastening tooth 431 is fastened on the fastening edge 32. Therefore, the upper cover plate 2 can be better fixed on the lower cover plate 3, and the locking effect of the folding box is better.

Further, the lower groove 21 is provided with a first accommodating hole 211 and a second accommodating hole 213 which vertically penetrate through the upper cover plate 2, the slider lock 4 further includes a fixing seat 42, the fixing seat 42 is fixed at the bottom of the upper cover plate 2 and located below the lower groove 21, a first end of the latch 45 is rotatably mounted on the fixing seat 42, a second end of the latch 45 is provided with a waist-shaped hole 451, the bottom of the slider 41 is provided with a connecting column 414 and a sliding seat 415, the connecting column 414 can move left and right and is arranged in the first accommodating hole 211 and is mounted in the waist-shaped hole 451, the fixing seat 42 is provided with a sliding rod 422 extending in the left and right direction, the sliding seat 415 is provided with a sliding hole 415, the sliding seat 415 can move left and right and is arranged in the second accommodating hole 213 and is matched with the sliding hole 415 of the sliding rod 422. Therefore, the locking tongue 45 can slide left and right without being interfered by other parts, and the folding box is more stable to lock and unlock.

Further, a positioning seat 413 is arranged at the bottom of the sliding button 41, a sliding groove 4131 or a sliding block is arranged on the positioning seat 413, a positioning groove 214 is arranged in the lower groove 21, the sliding block or the sliding groove 4131 used for being matched with the sliding groove 4131 or the sliding block is arranged on the surface of the positioning groove 214, and a touch groove 411 is arranged on the surface of the sliding button 41. Thereby, the slide button 41 can be slid left and right, and the folding box can be locked and unlocked.

Further, a first strap hole 212 is provided at the left end of the lower groove 21, a second strap hole 412 is provided on the slide 41, and an avoiding groove 31 is provided on the lower cover plate 3, when the slide 41 is slid to align the first strap hole 212 to the second strap hole 412, the lock shaft 43 is fitted to the lock hole 11, and at this time, the first strap hole 212 is located above the right portion of the avoiding groove 31. Therefore, when the folding box is locked, the sliding button 41 can be bound on the upper cover plate 2 through the binding band passing through the first binding band hole 212 and the second binding band hole 412, the sliding button 41 is prevented from sliding by itself to unlock the folding box, and the arrangement of the avoiding groove 31 can ensure that a certain operation space is provided when the binding band passes through.

Therefore, the folding box provided by the embodiment of the utility model has the advantages that the folding box is simple in structure through the ingenious matching among all the parts, the folding box can be locked and unlocked quickly, the folding box is convenient to fold and unfold, and the user experience can be improved.

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

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

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

Claims

1. A folding box is characterized by comprising an upper frame, an upper cover plate and a lower cover plate, wherein the right end of the upper cover plate is rotatably connected to a right end frame body of the upper frame, the left end of the lower cover plate is rotatably connected to a left end frame body of the upper frame, the left end of the upper cover plate can be lapped on the right end of the lower cover plate, lock holes are formed in the opposite sides of the front frame and the rear frame of the upper frame, a slide button lock is arranged at the left end of the upper cover plate and comprises a slide button, a lock tongue and a lock shaft, the slide button can be installed at the left end of the upper cover plate in a left-right sliding mode, the peripheral outline of the lock tongue is triangular, the first end of the lock tongue is rotatably connected to the upper cover plate, the second end of the lock tongue is rotatably and slidably connected to the bottom of the slide button, the third end of the lock shaft is a free end, and the lock shaft can be installed inside the left end of the upper cover plate in a front-back sliding mode, when the sliding knob slides to the left, the lock tongue rotates by taking the first end of the lock tongue as a rotation center so that the third end is abutted to the lock shaft, and one end, far away from the lock tongue, of the lock shaft is matched with the lock hole.

2. The folding box of claim 1, wherein the upper cover plate is provided with a lower groove at a middle position in the front-rear direction, the sliding button is slidably disposed in the lower groove in the left-right direction, the number of the lock tongues is two, the two lock tongues are symmetrically disposed at two sides of a first plane, the second end of the two lock tongues is close to the first plane, the number of the lock shafts is two, the two lock shafts are symmetrically disposed at two sides of the first plane, and the first plane is perpendicular to the front-rear direction and equally divides the upper cover plate.

3. The folding box of claim 2, wherein the locking shaft further comprises a fastening tooth parallel to the bottom surface of the upper cover plate, the lower cover plate is provided with a fastening edge engaged with the fastening tooth, the left end of the upper cover plate is provided with a side groove for accommodating the fastening edge, and the fastening tooth is fastened to the fastening edge after the folding box is locked.

4. The folding box according to claim 2, wherein the lower groove is provided with a first accommodating hole and a second accommodating hole which vertically penetrate through the upper cover plate, the sliding button lock further comprises a fixed seat, the fixed seat is fixed at the bottom of the upper cover plate and located below the lower groove, a first end of the lock tongue is rotatably mounted on the fixed seat, a second end of the lock tongue is provided with a kidney-shaped hole, the bottom of the sliding button is provided with a connecting column and a sliding seat, the connecting column can move left and right and is arranged in the first accommodating hole in a penetrating mode and is mounted in the kidney-shaped hole, the fixed seat is provided with a sliding rod extending in the left and right direction, the sliding seat is provided with a sliding hole, the sliding seat can move left and right and is arranged in the second accommodating hole in a penetrating mode and is matched with the sliding hole.

5. The folding box of claim 4, wherein a positioning seat is provided at the bottom of the sliding button, a sliding slot or a sliding block is provided on the positioning seat, a positioning slot is provided in the lower groove, a sliding block or a sliding slot for fitting the sliding slot or the sliding block is provided on the surface of the positioning slot, and a touch slot is provided on the surface of the sliding button.

6. The folding box of claim 4, wherein the lower groove is provided at a left end thereof with a first strap hole, the slide button is provided with a second strap hole, the lower cover plate is provided with an escape groove, when the slide button is slid to align the first strap hole with the second strap hole, the lock shaft is fitted to the lock hole, and the first strap hole is positioned above a right portion of the escape groove.

7. The folding box of claim 1, further comprising a bottom plate, a front long side plate, a rear long side plate, a left wide side plate and a right wide side plate, wherein the front long side plate and the rear long side plate each comprise an upper plate and a lower plate, the upper plate and the lower plate are rotatably connected, free ends of the lower plates of the front long side plate and the rear long side plate are respectively and correspondingly rotatably connected to a front end and a rear end of the bottom plate, free ends of the upper plates of the front long side plate and the rear long side plate are respectively and correspondingly rotatably connected to a front end frame body and a rear end frame body of the upper frame, and lower ends of the left wide side plate and the right wide side plate are respectively and correspondingly rotatably connected to a left end and a right end of the bottom plate.

8. The folding box of claim 7, wherein the end of the upper cover plate connected with the upper frame and the end of the lower cover plate connected with the upper frame are both provided with a limiting hook, when the folding box is unfolded and the upper cover plate and the lower cover plate are closed, the limiting hook on the upper cover plate is clamped on the top end frame of the right wide side plate, and the limiting hook on the lower cover plate is clamped on the top end frame of the left wide side plate.

9. The folding box according to claim 7, wherein the left and right ends of the front long side plate and the left and right ends of the rear long side plate are designed to be trapezoidal dovetail structures, and the front and rear ends of the left wide side plate and the front and rear ends of the right wide side plate are designed to be trapezoidal dovetail structures adapted to the trapezoidal dovetail structures of the left and right ends of the front long side plate and the left and right ends of the rear long side plate.

10. The folding carton according to claim 7, wherein the left wide side panel and the right wide side panel are provided with hand-shaped hollowed-out grooves.