CN219258018U - Folding storage box - Google Patents

Abstract

The utility model discloses a folding storage box, which relates to the technical field of storage boxes and comprises a first box body and a second box body which can be matched and covered with the first box body, wherein the first box body is provided with a first box wall plate, the second box body is provided with a second box wall plate corresponding to the first box wall plate in position, and the first box wall plate and the second box wall plate are rectangular; the top outside border of first box wallboard and second box wallboard all has the circular arc chamfer, and the circular arc chamfer face looks butt of first box wallboard and second box wallboard. The connecting plates and the connecting shafts are arranged in two groups and are respectively arranged along the axial leads of the arc chamfer faces of the first box wall plate and the second box wall plate; the both ends of connecting plate correspond and rotate with two sets of connecting axles to be connected, and the both ends of connecting plate correspond respectively and lie in between the lateral wall of first box wallboard and between the lateral wall of second box wallboard. The folding hinge structure of the storage box can not occupy the storage space in the box, and solves the technical problem that the existing storage box is easy to scratch by a hand when being carried.

Description

Folding storage box

Technical Field

The utility model relates to the technical field of storage boxes, in particular to a folding storage box.

Background

Along with the improvement of living standard, new requirements are continuously put forward for the storage device of daily necessities, and the folding mechanism (hinge part) of the existing folding storage box protrudes out of the box body or is recessed in the box, so that the problem that the folding mechanism outside the protruding box body is easy to scratch hands, scratch objects and embed the folding mechanism inside the box body to occupy the space in the box when the folding storage box is carried exists.

Chinese patent (grant publication No. CN213126413U, grant publication No. 2021.05.04) discloses a headset charging storage box of a hinge pivot mechanism, specifically discloses the hinge pivot mechanism includes an integrally formed hinge seat disposed in a top cover main body, a hinge cover movably connected to a charging cabin main body, and a bolt main body connecting the hinge seat and the hinge cover together. In the technical scheme, the hinge seat is positioned inside the top cover main body, occupies the space in the box, and limits the space arrangement and storage capacity in the box.

Chinese patent (grant publication number CN212980780U, grant publication date 2021.04.16) discloses a foldable storage box, and as is apparent from fig. 1 and 2 of the specification attached hereto, the hinge connecting the box body is concave into the box body and convex out of the box body, which has the problem of occupying space in the box and the problem of easily scratching hands and objects during carrying.

Therefore, how to provide a folding storage box, the folding hinge structure of the folding storage box can not affect the storage space in the box and cannot scratch objects when being carried is a problem which needs to be solved by a person skilled in the art.

Disclosure of Invention

In view of the above, the present utility model provides a folding storage box, which aims to solve the above technical problems.

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

the folding storage box comprises a first box body and a second box body which can be matched and covered with the first box body, wherein the first box body is provided with a first box wall plate, the second box body is provided with a second box wall plate corresponding to the first box wall plate in position, and the first box wall plate and the second box wall plate are rectangular;

the outer edges of the top ends of the first box wall plate and the second box wall plate are respectively provided with an arc chamfer, and arc chamfer surfaces of the first box wall plate and the second box wall plate are abutted;

the connecting plates and the connecting shafts are arranged in two groups and are respectively arranged along the axial lines of the arc chamfer surfaces of the first box wall plate and the second box wall plate; the two ends of the connecting plate are correspondingly connected with the two groups of connecting shafts in a rotating way, and the two ends of the connecting plate are correspondingly positioned between the side walls of the first box wall plate and the side walls of the second box wall plate respectively.

According to the technical scheme, the first box wall plate is hinged with the second box wall plate through the connecting shaft and the connecting plate, so that the arc chamfer surfaces of the outer edges of the top ends of the first box wall plate and the second box wall plate, which are mutually abutted, can form a relatively rolling hinge structure, and the first box body and the second box body can be folded and unfolded at 180 degrees; the folding closing and opening processes of the first box body and the second box body can be more stable; the hinge structure for connecting the first box body and the second box body in a rolling manner is formed by chamfering on the box wall plates, the two end parts of the connecting plate do not protrude out of the side wall of the corresponding box wall plate, the space in the box of the storage box cannot be occupied, and the hinge structure does not protrude out of the outer surface of the box body in a covering state. Therefore, the folding storage box provided by the utility model can realize that the folding hinge structure of the folding storage box does not occupy the storage space in the box, and solves the technical problem that the existing storage box is easy to scratch objects by a scratch hand when being carried.

As a further improvement of the technical scheme, two connecting plates are arranged at intervals along the length direction of the first box wall plate, and shaft holes perpendicular to the plate surface of the connecting plates are formed at two ends of each connecting plate;

the top end surface of the first box wall plate is provided with a first penetrating connecting groove along the direction vertical to the plate surface, and the corresponding position of the top end surface of the second box wall plate and the first connecting groove is provided with a second penetrating connecting groove along the direction vertical to the plate surface; the first connecting grooves and the second connecting grooves are respectively two and are respectively arranged corresponding to the two connecting plates; both ends of the two connecting plates are respectively embedded in the corresponding first connecting groove and the corresponding second connecting groove;

each group of connecting shafts are two, four connecting shafts are correspondingly connected to opposite side walls in the two first connecting grooves and the two second connecting grooves, and are correspondingly matched with and rotationally connected with four shaft holes of the two connecting plates. The two connecting plates arranged at intervals can enable the connection between the first box body and the second box body to be more stable.

As a further improvement of the technical scheme, the diameter value of the arc chamfer on the first box wall plate is equal to the diameter value of the arc chamfer on the second box wall plate, and the diameter value of the arc chamfer is equal to the distance value between shaft axes at two ends of the connecting plate. The stability of relative rolling between the two arc chamfer faces around the connecting shaft when the first box body and the second box body are opened and closed can be improved.

As a further improvement of the technical scheme, the two ends of the top of the first box wall plate are respectively provided with a first hinge gear, the two ends of the top of the second box wall plate are respectively provided with a second hinge gear, and the two first hinge gears are correspondingly meshed with the two second hinge gears; the axial leads of the two first hinged gears are all arranged along the axial lead of the arc chamfer surface of the first box wallboard, and the axial leads of the two second hinged gears are all arranged along the axial lead of the arc chamfer surface of the second box wallboard. The first hinge gear and the second hinge gear can ensure that the rolling hinge structures of the first box body and the second box body do not slip, and the smoothness and stability of folding and closing and opening of the storage box are improved.

As a further improvement of the technical scheme, a first through mounting groove is formed in the middle of the top end face of the first box wall plate along the direction perpendicular to the plate face, a first pressing plate seat is mounted in the first mounting groove, and a first pressing plate is hinged to the first pressing plate seat; a platen torsion spring is arranged between the first platen and the first platen seat, and can enable the first platen to be elastically abutted against an inner bottom plate surface of the box body. The first pressing plate is used for fixing the articles stored in the first box body; the pressing plate torsion spring provides elastic torsion for the first pressing plate, so that the first pressing plate can elastically extrude and fix the articles stored in the first box body; the first clamp plate seat is installed in the first mounting groove on first box wallboard top, does not occupy the box inner space and does not bulge the box body outside yet, has improved the storing space of receiver.

As a further improvement of the technical scheme, a second through mounting groove is formed in the middle of the top end face of the second box wall plate along the direction perpendicular to the plate face, and the second mounting groove and the first mounting groove are arranged at intervals along the length direction of the first box wall plate; a second pressing plate seat is arranged in the second mounting groove, and a second pressing plate is hinged to the second pressing plate seat; a pressing plate torsion spring which can enable the second pressing plate to elastically abut against the surface of the second inner bottom plate of the box body is arranged between the second pressing plate and the second pressing plate seat, and the second pressing plate is used for fixing the articles stored in the second box body; the pressing plate torsion spring provides elastic torsion for the second pressing plate, so that the second pressing plate can elastically extrude and fix the articles stored in the second box body; the second clamp plate seat is installed in the second mounting groove on second box wallboard top, does not occupy the box inner space and also does not bulge the box body outside, has further improved the storing space of receiver.

As a further improvement of the above technical solution, the first mounting groove and the second mounting groove are both located between the two connection plates; the bottom of the first mounting groove is provided with a first clamping groove along the length direction of the first box wall plate, the bottom of the first pressing plate seat is provided with a first clamping block matched with the first clamping groove, and the first clamping block is fixedly mounted in the first clamping groove; the tank bottom of second mounting groove has the edge second box wallboard length direction's second draw-in groove, second clamp plate seat bottom have with second draw-in groove matched second fixture block, second fixture block fixed mounting is in the second draw-in groove. The first clamping groove is used for fixedly mounting the first clamping block, the second clamping groove is used for fixedly mounting the second clamping block, and therefore the fixing and positioning of the first pressing plate seat on the first box wall plate and the fixing and positioning of the second pressing plate seat on the second box wall plate are achieved.

As a further improvement of the technical scheme, a first pressing plate seat avoiding groove is formed in the second box wall plate at a position corresponding to the first pressing plate seat; the first box wall plate is provided with a second pressing plate seat avoiding groove corresponding to the second pressing plate seat. The space interference of the first pressing plate seat and the second pressing plate seat on the storage box relative rolling hinge structure can be avoided, and the folding smoothness between the first box body and the second box body is realized.

Compared with the prior art, the folding storage box provided by the utility model has the following beneficial effects:

1. according to the folding storage box provided by the utility model, the rolling hinge structure is arranged at the end part of the box body wall plate, so that 180-degree folding covering and opening between box bodies are realized, the space in the box is not occupied, the outer surface of the box body is not protruded, the storage capacity is improved, and the technical effect of being convenient to carry and not easy to scratch objects by a scratch hand is realized.

2. According to the utility model, the rolling hinge structure between the box bodies can be ensured not to slip through the mutual engagement and rolling hinge of the first hinge gear and the second hinge gear, so that the smoothness and stability of folding and covering as well as opening of the storage box are improved.

3. According to the utility model, the first pressing plate and the second pressing plate are beneficial to fixing objects in the storage box, and the pressing plate seats for hinging the first pressing plate and the second pressing plate are arranged in the mounting grooves at the end parts of the wall plates of the box body, so that the integration of a rolling hinging structure between the pressing plate seats and the box body is realized, the pressing plate seats do not interfere the opening and closing movement of the box body, the folding smoothness of the box body is ensured, the compactness of the box body structure is realized, and the storage space utilization rate of the storage box is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a split structure of a folding storage box according to the present utility model;

FIG. 2 is a schematic view of a folding box according to the present utility model;

FIG. 3 is a schematic view of a first platen base of a folding case according to the present utility model;

FIG. 4 is a schematic view of a second platen base of the folding case according to the present utility model;

FIG. 5 is a side view of a folding container of the present utility model;

FIG. 6 is a perspective view showing a closing state of a folding storage box cover according to the present utility model;

fig. 7 is a perspective view illustrating a closed state of a folding storage box according to another view angle of the present utility model;

wherein: 1. a first box body; 11. a first box wall; 111. a first arc chamfer surface; 112. a first through hole; 113. a first connection groove; 114. a first mounting groove; 115. a first clamping groove; 116. the second pressing plate seat avoids the groove; 117. the second torsion spring avoids the groove; 118. a first hinge gear; 2. a second box body; 21. a second box wall; 211. a second arc chamfer surface; 212. a second through hole; 213. a second connecting groove; 214. a second mounting groove; 215. a second clamping groove; 216. the first pressing plate seat avoids the groove; 217. the first torsion spring avoids the groove; 218. a second hinge gear; 3. a connecting plate; 4. a connecting shaft; 5. a first platen base; 51. a first clamping block; 52. a first platen mounting groove; 53. a first platen connecting shaft; 6. a second platen base; 61. a second clamping block; 62. a second platen mounting groove; 63. the second pressing plate connecting shaft; 7. a first platen; 8. a second pressing plate; 9. and a pressing plate torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-7 of the drawings, an embodiment of the utility model discloses a folding storage box, which comprises a first box body 1 and a second box body 2 which can be matched and covered with the first box body 1, wherein the first box body 1 is provided with a first box wall plate 11, the second box body 2 is provided with a second box wall plate 21 corresponding to the first box wall plate 11 in position, the first box wall plate 11 and the second box wall plate 21 are rectangular plates, the thicknesses of the first box wall plate 11 and the second box wall plate 21 are the same, the top outer edges of the first box wall plate 11 and the second box wall plate 21 are provided with arc chamfer angles with the same radius, the radius of the arc chamfer angles is equal to half of the thickness of the first box wall plate 11, the top outer edge of the first box wall plate 11 is a first arc chamfer angle surface 111, the top outer edge of the second box wall plate 21 is a second arc chamfer surface 211, and the first box wall plate 11 and the second box wall plate 21 form a relative rolling hinging structure through the corresponding first arc chamfer angle surface 111 and the second arc chamfer angle surface 211.

The first box wall plate 11 of the first box body 1 and the second box wall plate 21 of the second box body 2 can realize folding, covering and opening functions of the first box body 1 and the second box body 2 through the structure that the arc chamfer faces of the outer edges of the top ends of the wall plates are in relative rolling hinge joint; the hinge structure connecting the first box body 1 and the second box body 2 does not occupy the space in the storage box and does not protrude out of the outer surface of the box body in the covering state.

Preferably, the folding storage box further comprises two connecting plates 3 and two connecting shafts 4, wherein the number of the connecting plates 3 is two, the number of the connecting shafts 4 is two, and the number of the connecting shafts 4 in each group is two; the top end surface of the first box wall plate 11 is provided with two penetrating first connecting grooves 113 along the direction vertical to the plate surface, the two first connecting grooves 113 are arranged at intervals along the length direction of the first box wall plate 11, and the corresponding position of the top end surface of the second box wall plate 21 and the first connecting grooves 113 is provided with two penetrating second connecting grooves 213 along the direction vertical to the plate surface; the two second connecting grooves 213 are arranged at intervals along the length direction of the second box wall plate 21; and the first connecting groove 113 and the second connecting groove 213 are positioned to correspond to each other; the opposite side wall directions in the two first connecting grooves 113 are respectively provided with a connecting shaft 4 (which is a group of connecting shafts), the opposite side wall directions in the two second connecting grooves 213 are respectively provided with a connecting shaft 4 (which is another group of connecting shafts), both ends of the connecting plate 3 are semicircular arcs, the center of each arc is provided with a shaft hole perpendicular to the plate surface, and both ends of the connecting plate 3 are respectively embedded in the corresponding first connecting grooves 113 and the corresponding second connecting grooves 213 and are rotationally connected with the connecting shafts 4 in the corresponding connecting grooves.

Specifically, the radius of the arc of the semicircular arc structure at both ends of the connection plate 3 is equal to or smaller than the radius of the first arc chamfer 111. It is ensured that the end boundaries of the connecting plate 3 do not protrude from the side walls of the first box wall plate 11 and the second box wall plate 21 when the connecting plate is rotated around the connecting shaft 4, the storage space in the storage box is not affected, and the outer contour surface of the box is not protruded to cause a rower to scratch.

Preferably, the diameter of the arc chamfer on the first box wall plate 11 is equal to that of the arc chamfer on the second box wall plate 21, and the diameter of the arc chamfer is equal to the distance between the shaft axes of the shaft holes at the two ends of the connecting plate 3; the axes of the connecting shafts 4 in the two first connecting grooves 113 are coincident with the axes of the first arc chamfer surfaces 111 on the first box wall plate 11, and the axes of the connecting shafts 4 in the two second connecting grooves 213 are coincident with the axes of the second arc chamfer surfaces 211 on the second box wall plate 21.

Specifically, a first through hole 112 penetrating along the length direction of the first box wall plate 11 is formed in the axial line of the first arc chamfer surface 111 on the first box wall plate 11; the second box wall plate 21 is provided with a second through hole 212 penetrating along the length direction of the second box wall plate 21 at the axial lead of the second arc chamfer surface 211; four connecting shafts 4 penetrate from both ends of the first box wall plate 11 and the second box wall plate 21, respectively, and are installed in the first through hole 112 and the second through hole 212 in a tight fit manner; and four connecting shafts 4 are respectively connected in the shaft holes at the two ends of the two connecting plates 3 in a penetrating way and are connected with the two connecting plates in a rotating way, so that the first box body 1 and the second box body 2 are stably hinged together in a relatively rolling way.

Preferably, the first hinge gear 118 is provided at both ends of the top of the first case wall 11, the second hinge gear 218 is provided at both ends of the top of the second case wall 21, and the first hinge gear 118 and the second hinge gear 218 are engaged with each other and are hinged in a rolling manner. The first hinge gear 118 is integrally formed with the first box wall 11; the second hinge gear 218 and the second box wall plate 21 are of an integral structure, and the axial lead of the first hinge gear 118 is coincident with the axial lead of the first arc chamfer 111; the axis of the second hinge gear 218 coincides with the axis of the second circular arc chamfer 211.

Specifically, as shown in fig. 2, both of the connection plates 3 are located at opposite inner positions of the two first hinge gears 118.

Preferably, a first mounting groove 114 penetrating through the first box wall plate 11 is formed in the middle of the top end surface of the first box wall plate 11 along the direction perpendicular to the plate surface, a first pressing plate seat 5 is mounted in the first mounting groove 114, the first pressing plate seat 5 is provided with a shaft hole matched with the connecting shaft 4 along the length direction, and the first pressing plate seat 5 can be fixed in the first mounting groove 114 by the connecting shaft 4 penetrating through the shaft hole; the top end of the first platen base 5 is provided with a first platen mounting groove 52 penetrating along the width direction thereof, a first platen connecting shaft 53 is mounted in the first platen mounting groove 52 along the length direction of the first platen base 5, one end of the first platen 7 is provided with a shaft hole matched with the first platen connecting shaft 53, and one end of the first platen 7 is hinged in the first platen mounting groove 52 of the first platen base 5 through the first platen connecting shaft 53.

Preferably, one end of the first pressing plate 7 with a shaft hole is provided with a U-shaped notch, the U-shaped notch is internally provided with a pressing plate torsion spring 9, the pressing plate torsion spring 9 is sleeved on the first pressing plate connecting shaft 53, two ends of the pressing plate torsion spring 9 are respectively elastically abutted on the first pressing plate 7 and the first pressing plate seat 5, and the other end of the first pressing plate 7 is elastically abutted on the inner bottom plate surface of the first box body 1 under the action of the pressing plate torsion spring 9.

Preferably, a second mounting groove 214 penetrating through the second box wall plate 21 is formed in the middle of the top end surface of the second box wall plate 21 along the direction vertical to the plate surface, and the second mounting groove 214 and the first mounting groove 114 are arranged at intervals along the length direction of the first box wall plate 11; the second mounting groove 214 is internally provided with a second pressing plate seat 6, the second pressing plate seat 6 is provided with a shaft hole matched with the connecting shaft 4 along the length direction, and the second pressing plate seat 6 can be fixed in the second mounting groove 214 by the connecting shaft 4 penetrating through the shaft hole; the top end of the second pressing plate seat 6 is provided with a second pressing plate installation groove 62 penetrating along the width direction of the second pressing plate seat, a second pressing plate connecting shaft 63 is installed in the second pressing plate installation groove 62 along the length direction of the second pressing plate seat 6, one end of the second pressing plate 8 is provided with a shaft hole matched with the second pressing plate connecting shaft 63, and one end of the second pressing plate 8 is hinged in the second pressing plate installation groove 62 of the second pressing plate seat 6 through the second pressing plate connecting shaft 63.

Preferably, one end of the second pressing plate 8 with a shaft hole is provided with a U-shaped notch, the U-shaped notch is internally provided with a pressing plate torsion spring 9, the pressing plate torsion spring 9 is sleeved on the second pressing plate connecting shaft 63, two ends of the pressing plate torsion spring 9 are respectively elastically abutted on the second pressing plate 8 and the second pressing plate seat 6, and the other end of the second pressing plate 8 is elastically abutted on the inner bottom plate surface of the second box body 2 under the action of the pressing plate torsion spring 9.

Preferably, the first mounting groove 114 and the second mounting groove 214 are both located between the two connection plates 3; the bottom of the first mounting groove 114 is provided with a first clamping groove 115 along the length direction of the first box wall plate 11, the bottom of the first pressing plate seat 5 is provided with a first clamping block 51 matched with the first clamping groove 115, and the first clamping block 51 is fixedly mounted in the first clamping groove 115 in a tight fit manner; the bottom of the second mounting groove 214 is provided with a second clamping groove 215 along the length direction of the second box wall plate 21, the bottom of the second pressing plate seat 6 is provided with a second clamping block 61 matched with the second clamping groove 215, and the second clamping block 61 is fixedly mounted in the second clamping groove 215 in a tight fit manner.

Preferably, a first pressing plate seat avoiding groove 216 is formed in the second box wall plate 21 at a position corresponding to the first pressing plate seat 5, and a first torsion spring avoiding groove 217 is formed in the inner side of the second box wall plate 21 at the bottom of the first pressing plate seat avoiding groove 216; the first box wall plate 11 is provided with a second pressing plate seat avoiding groove 116 corresponding to the second pressing plate seat 6, and a second torsion spring avoiding groove 117 is formed in the inner side of the first box wall plate 11 at the bottom of the second pressing plate seat avoiding groove 116.

The folding storage box can be convenient for carrying and storing small articles, for example, the folding storage box is suitable for storing articles such as portable jewelry small accessories; the portable cigarette storage box can also be used as a portable cigarette storage box, cigarettes can be stored in the inner space of the first box body 1 and the inner space of the second box body 2, and the pressing plate can be suitable for fixing the cigarettes;

the folding storage box has the characteristics of high storage space utilization rate, smooth and stable folding and opening, difficult damage, and difficult object scratching by hand.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A folding receiver, characterized by includes

The box comprises a first box body (1) and a second box body (2) which can be matched and covered with the first box body (1), wherein the first box body (1) is provided with a first box wall plate (11), the second box body (2) is provided with a second box wall plate (21) corresponding to the first box wall plate (11), and the first box wall plate (11) and the second box wall plate (21) are rectangular;

the outer edges of the top ends of the first box wall plate (11) and the second box wall plate (21) are respectively provided with an arc chamfer, and arc chamfer surfaces of the first box wall plate (11) and the second box wall plate (21) are abutted;

the connecting plates (3) and the connecting shafts (4), wherein the connecting shafts (4) are arranged in two groups along the axial lines of the arc chamfer surfaces of the first box wall plate (11) and the second box wall plate (21) respectively; the two ends of the connecting plate (3) are correspondingly and rotatably connected with the two groups of connecting shafts (4), and the two ends of the connecting plate (3) are correspondingly positioned between the side walls of the first box wall plate (11) and the side walls of the second box wall plate (21).

2. The folding storage box according to claim 1, wherein the number of the connecting plates (3) is two, the connecting plates are arranged at intervals along the length direction of the first box wall plate (11), and shaft holes perpendicular to the plate surface of the connecting plates (3) are formed at two ends of each connecting plate;

a first through connecting groove (113) is formed in the top end surface of the first box wall plate (11) along the direction vertical to the plate surface, and a second through connecting groove (213) is formed in the position, corresponding to the first connecting groove (113), of the top end surface of the second box wall plate (21) along the direction vertical to the plate surface; the number of the first connecting grooves (113) and the number of the second connecting grooves (213) are two, and the first connecting grooves and the second connecting grooves are arranged corresponding to the two connecting plates (3); both end parts of the two connecting plates (3) are respectively embedded in the corresponding first connecting groove (113) and the second connecting groove (213);

each group of connecting shafts (4) is two, four connecting shafts (4) are correspondingly connected to opposite side walls in the two first connecting grooves (113) and the two second connecting grooves (213), and correspondingly matched with and rotationally connected with four shaft holes of the two connecting plates (3).

3. A folding container according to claim 2, characterized in that the value of the diameter of the circular arc chamfer on the first container wall plate (11) is equal to the value of the diameter of the circular arc chamfer on the second container wall plate (21), and the value of the diameter of the circular arc chamfer is equal to the value of the distance between the shaft axes of the two ends of the connecting plate (3).

4. A folding container according to claim 3, wherein the first box wall (11) has a first hinge gear (118) at each of its top ends and the second box wall (21) has a second hinge gear (218) at each of its top ends, the two first hinge gears (118) being respectively intermeshed with the two second hinge gears (218); the axial lead of the two first hinged gears (118) is arranged along the axial lead of the arc chamfer surface of the first box wall plate (11), and the axial lead of the two second hinged gears (218) is arranged along the axial lead of the arc chamfer surface of the second box wall plate (21).

5. The folding storage box according to claim 4, wherein a first installation groove (114) penetrating through the middle of the top end surface of the first box wall plate (11) is formed along the direction perpendicular to the plate surface, a first pressing plate seat (5) is installed in the first installation groove (114), and a first pressing plate (7) is hinged on the first pressing plate seat (5); a pressing plate torsion spring (9) which can enable the first pressing plate (7) to elastically abut against the inner bottom plate surface of the first box body (1) is arranged between the first pressing plate (7) and the first pressing plate seat (5).

6. The folding storage box according to claim 5, wherein a second installation groove (214) penetrating through the middle part of the top end surface of the second box wall plate (21) is formed along the direction perpendicular to the plate surface, and the second installation groove (214) and the first installation groove (114) are arranged at intervals along the length direction of the first box wall plate (11); a second pressing plate seat (6) is arranged in the second mounting groove (214), and a second pressing plate (8) is hinged on the second pressing plate seat (6); a pressing plate torsion spring (9) which can enable the second pressing plate (8) to elastically abut against the inner bottom plate surface of the second box body (2) is arranged between the second pressing plate (8) and the second pressing plate seat (6).

7. A folding storage box according to claim 6, characterized in that the first mounting groove (114) and the second mounting groove (214) are both located between two of the connection plates (3); the bottom of the first mounting groove (114) is provided with a first clamping groove (115) along the length direction of the first box wall plate (11), the bottom of the first pressing plate seat (5) is provided with a first clamping block (51) matched with the first clamping groove (115), and the first clamping block (51) is fixedly mounted in the first clamping groove (115); the tank bottom of second mounting groove (214) has along second draw-in groove (215) of second box wallboard (21) length direction, second clamp block (61) that second clamp plate seat (6) bottom have with second draw-in groove (215) match, second clamp block (61) fixed mounting is in second draw-in groove (215).

8. The folding storage box according to claim 7, wherein a first pressing plate seat avoiding groove (216) is formed in the second box wall plate (21) at a position corresponding to the first pressing plate seat (5); the first box wall plate (11) is provided with a second pressing plate seat avoiding groove (116) at a position corresponding to the second pressing plate seat (6).

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