CN115504091A

CN115504091A - Transport case

Info

Publication number: CN115504091A
Application number: CN202211350547.5A
Authority: CN
Inventors: 杜萌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-12-23

Abstract

The invention provides a transport case, comprising: a case for containing a material; the door body is slidably arranged on the box body so as to open or close the box body; the hinge assembly is arranged on the box body and comprises a first leaf and a second leaf which are hinged to each other, the first leaf is fixedly connected with the box body, a first matching portion is arranged on the second leaf, a second matching portion is arranged on the door body, when the door body is opened to a preset opening position, the second matching portion is connected with the first matching portion in a clamped mode, and the door body is overturned along with the second leaf, so that the door body is located on the side of the box body. The invention solves the problem that the opening range of the door body of the material transport box is limited in the prior art.

Description

Transport case

Technical Field

The invention relates to the technical field of material transportation, in particular to a transportation box.

Background

At present, when transporting liquid goods or granular or powdery goods, the materials are generally filled in a transport bag firstly, and then the transport bag is placed in a transport box for transportation.

Many materials are relatively dangerous, especially because they tend to swell or explode during violent shaking, and thus the liquid bags can only be transported using relatively sealed containers.

However, most of the existing opening and closing doors of the box body are hinged to the box body, the box body is opened or closed in a hinge mode, the opening range of the door body is limited, an operator can be prevented from placing a liquid bag in the box body, and the occupied space is large when the box body is opened.

Disclosure of Invention

The invention mainly aims to provide a transport case, which aims to solve the problem that the opening range of a door body of a material transport case in the prior art is limited.

In order to achieve the above object, the present invention provides a transport box comprising: a case for containing a material; the door body is slidably arranged on the box body so as to open or close the box body; the hinge assembly is arranged on the box body and comprises a first leaf and a second leaf which are hinged to each other, the first leaf is fixedly connected with the box body, a first matching portion is arranged on the second leaf, a second matching portion is arranged on the door body, when the door body is opened to a preset opening position, the second matching portion is connected with the first matching portion in a clamped mode, and the door body is turned over along with the second leaf to enable the door body to be located on the side of the box body.

Furthermore, the first matching portion is in interference fit with the second matching portion, the first matching portion is a matching opening, and the second matching portion is a matching raised head.

Further, first cooperation portion is the cooperation opening, and second cooperation portion includes: the matching upright column is arranged on the door body; the limiting stop is arranged on the matching upright post, at least part of the matching upright post is clamped into the matching opening, and the limiting stop drives the second leaf to turn over; the door body is positioned on the side of the box body through the blocking effect of the matching opening on the matching upright post.

Furthermore, the second fan blade is provided with an initial position and a turning position, at least part of the second fan blade is positioned above the first fan blade, and a passing gap is formed between the second fan blade and the first fan blade, so that the second fan blade is positioned at the initial position; at least part of the second matching part is clamped with the first matching part through a gap.

Furthermore, the second fan comprises a hinged end and a matching end which are oppositely arranged, the hinged end of the second fan is hinged with the first fan, and the matching end of the second fan extends towards the inner side of the box body; the first matching part is arranged at the matching end of the second fan blade; the first matching part is a matching opening facing the inner side of the box body.

Further, the hinge assembly further includes: the bearing component is arranged on the second fan blade and is provided with a bearing end face, and the bearing end face is an arc-shaped face; at least part of the bearing end face is contacted with the door body so as to support the door body.

Furthermore, the second leaf comprises a first turning surface and a second turning surface which are oppositely arranged, the first turning surface is opposite to the first leaf, and the supporting component is arranged on the second turning surface.

Further, the hinge assembly further includes: the support frame sets up on the second fan page or leaf, and the support frame is for the surface protrusion of second fan page or leaf, and the support frame is two, and two relative and interval settings of support frame, bearing part set up between two support frames, and bearing part is connected with two support frames respectively.

Further, be provided with on the door body with the spacing recess of bearing part complex, spacing recess extends along the sliding direction of the door body, at least part of bearing part is located spacing recess, the at least part of bearing terminal surface and the tank bottom surface contact of spacing recess.

Further, the holding member is rotatably provided around a predetermined axis; and/or the support member is a bearing.

By applying the technical scheme, the transport case comprises a case body, a door body and a hinge assembly, wherein the case body is used for containing materials, the door body is arranged on the case body in a sliding mode so as to open or close the case body, the hinge assembly is arranged on the case body and comprises a first leaf and a second leaf which are hinged with each other, the first leaf is fixedly connected with the case body, the second leaf is provided with a first matching portion, the door body is provided with a second matching portion, when the door body is opened to a preset opening position, the second matching portion is clamped with the first matching portion, and the door body is turned over along with the second leaf so as to be located on the side of the case body. Set up like this when the door body by the closed position to the gliding in-process of open position, when sliding to the predetermined open position, second cooperation portion card on the door body is in first cooperation portion, continue to move when the door body and can drive the second fan page for first fan page upset, the door body is along with the side of second fan page upset to the box this moment, make the door body be in open position, because second cooperation portion and first cooperation portion joint, make the door body keep opening the position, can not influence operating personnel when the door body is in open position and arrange in order the material like this, the door body can realize opening to the side of box by the top of box, the door body among the prior art is solved and is directly articulated the limited problem of opening range that leads to with the box.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of an open state of a transport box according to the invention;

fig. 2 shows an enlarged view of part a according to fig. 1;

FIG. 3 is a schematic view showing the structure of the door body and the box body in an open state of the transport box according to the invention;

FIG. 4 shows a schematic structural view of a stop member in a shipping box according to the present invention;

FIG. 5 shows an enlarged view according to section B of FIG. 3;

FIG. 6 illustrates a bottom view of the door body in the transport box according to the present invention;

fig. 7 shows an enlarged view of part C of the transport box according to fig. 1;

fig. 8 shows a schematic structural view of the body of the transport box according to the invention;

fig. 9 shows a folded state of the body of the transport box according to the invention.

Wherein the figures include the following reference numerals:

1. a box body; 10. a first top surface; 11. a limiting slide way; 12. a second top surface; 13. a limiting component; 130. supporting the upright post; 131. a limiting chuck; 14. a stopper member; 141. a first body; 142. a second body; 143. a third body; 1430. avoiding the notch; 15. a baffle plate; 16. an intermediate stopper; 160. a limiting notch; 17. a box body framework; 18. a box body coating layer; 144. a first stopper member; 146. a second stopper member;

2. a door body; 20. a second mating portion; 201. matching with the upright column; 202. a limiting stop head; 21. a fastening part; 210. clamping the opening; 22. clamping the supporting bar; 23. an avoidance part; 24. a sliding plate; 240. a guide end face; 25. connecting sheets; 250. a connecting notch; 26. a limiting groove; 27. a door panel framework; 28. a door panel coating layer;

3. a hinge assembly; 31. a first leaf; 32. a second leaf; 320. a first mating portion; 33. a holding member; 34. a support frame; 35. a rotating shaft; 4. a base; 44. a discharge opening;

5. a side plate; 51. a first side plate; 52. a second side plate.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 9, the present invention provides a transportation box, including: a box body 1 for containing materials; the door body 2 is arranged on the refrigerator body 1 in a sliding way so as to open or close the refrigerator body 1; the hinge assembly 3 is arranged on the box body 1, the hinge assembly 3 comprises a first leaf 31 and a second leaf 32 which are hinged to each other, the first leaf 31 is fixedly connected with the box body 1, a first matching portion 320 is arranged on the second leaf 32, a second matching portion 20 is arranged on the door body 2, when the door body 2 is opened to a preset opening position, the second matching portion 20 is clamped with the first matching portion 320, and the door body 2 is turned over along with the second leaf 32, so that the door body 2 is located on the side of the box body 1.

The transportation box comprises a box body 1, a door body 2 and a hinge assembly 3, wherein the box body 1 is used for containing materials, the door body 2 is slidably arranged on the box body 1 so as to open or close the box body, the hinge assembly 3 is arranged on the box body 1, the hinge assembly 3 comprises a first leaf 31 and a second leaf 32 which are hinged with each other, the first leaf 31 is fixedly connected with the box body 1, a first matching part 320 is arranged on the second leaf 32, a second matching part 20 is arranged on the door body 2, when the door body 2 is opened to a preset opening position, the second matching part 20 is clamped with the first matching part 320, and the door body 2 is turned over along with the second leaf 32 so as to enable the door body 2 to be positioned on the side of the box body 1. Set up like this when the door body 2 by the in-process that the closed position slided to the open position, when sliding to the predetermined open position, second cooperation portion 20 on the door body 2 blocks in first cooperation portion 320, can drive second fan page 32 for first fan page 31 upset when the door body 2 continues to move, door body 2 is along with second fan page 32 upset side of box 1 this moment, make door body 2 be in the open position, because second cooperation portion 20 and first cooperation portion 320 joint, make door body 2 keep at the open position, can not influence operating personnel when door body 2 is in the open position and arrange the material like this, door body 2 can realize opening to the side of box 1 by the top of box 1, the problem that the open range that door body 2 among the prior art directly leads to with box 1 is articulated is limited is solved.

In this application, through only having set up hinge assembly 3 on box 1, with the cooperation of second fan page 32 in hinge assembly 3 and door body 2 detachably, changed door body 2's the mode of opening simultaneously, open traditional door body 2 direct upset and change into the slip and open and combine the upset, and then slide door body 2 and cooperate with second fan page 32 when the predetermined open position, realize the upset of door body 2.

Specifically, the first fitting portion 320 is in interference fit with the second fitting portion 20, the first fitting portion 320 is a fitting opening, and the second fitting portion 20 is a fitting protrusion. After the door body 2 is opened to a predetermined position, the second matching portion 20 is clamped into the first matching portion 320, so that the first matching portion 320 and the second matching portion 20 are in interference fit, and the door body 2 can drive the second leaf 32 to turn over by using the second matching portion 20 and keep the door body 2 at the opening position.

In practical implementation, as shown in fig. 4, the first fitting portion 320 is a fitting opening, and the second fitting portion 20 includes: the matching upright column 201 is arranged on the door body 2; the limiting stopper 202 is arranged on the matching upright column 201, at least part of the matching upright column 201 is clamped into the matching opening, and the limiting stopper 202 drives the second leaf 32 to turn over; the door body 2 is positioned on the side of the box body 1 through the blocking effect of the matching opening on the matching upright column 201. Fig. 4 shows a split structure of the door body 2 and the hinge assembly 3, wherein the matching upright column 201 and the matching opening are clamped with each other, and meanwhile, under the blocking effect of the limiting stopper 202 on the second leaf 32, the door body 2 drives the second leaf 32 to turn over to the side of the box body 1, at this time, the body of the second leaf 32, which encloses the matching opening, blocks the matching upright column 201, so that the door body 2 is kept at an opening position.

In specific implementation, the second leaf 32 has an initial position and a turning position, at least a part of the second leaf 32 is located above the first leaf 31, and a gap is formed between the second leaf 32 and the first leaf 31, so that the second leaf 32 is located at the initial position; at least a portion of the second fitting portion 20 is engaged with the first fitting portion 320 by passing through the gap. The first leaf 31 and the second leaf 32 are connected by a rotating shaft 35, and the second leaf 32 rotates around the rotating shaft 35.

When the door body 2 is in the closed position, the second fan 32 corresponds is in the initial position, when the door body 2 needs to be opened, the sliding door body 2 is up to the predetermined open position, in this position, the limit stop 202 contacts with the second fan 32 through the clearance, the matching upright column 201 is clamped into the matching opening, the sliding door body 2 is continued, the second fan 32 is overturned under the driving of the limit stop 202, the door body 2 is simultaneously driven to overturn, and when the second fan 32 is overturned for 90 degrees, the door body 2 is overturned to the side of the box body 1. When the second leaf 32 is at the initial position, a clearance is formed between the second leaf 32 and the first leaf 31, so that the matching upright column 201 can be clamped into the matching opening, and meanwhile, the limiting stopper 202 is matched with the second leaf 32.

Further, the second leaf 32 comprises a hinged end and a mating end which are oppositely arranged, the hinged end of the second leaf 32 is hinged with the first leaf 31, and the mating end of the second leaf 32 extends towards the inner side of the box body 1; the first mating portion 320 is disposed at the mating end of the second leaf 32; the first fitting portion 320 is a fitting opening facing the inside of the case 1. The arrangement is such that the second leaf 32 can be precisely matched with the door body 2, so that the door body 2 can be completely opened.

As shown in fig. 3 and 4, the hinge assembly 3 further includes: the supporting part 33 is arranged on the second leaf 32, and the supporting part 33 is provided with a supporting end face which is an arc-shaped face; at least a part of the support end surface is in contact with the door body 2 to support the door body 2. Through setting up bearing part 33, avoided the door body 2 to take place to warp at the slip in-process that relapse, lead to appearing the error with the cooperation of second fan 32, utilize the supporting role of bearing terminal surface simultaneously, avoid the material of the door body 2 in to box 1 to extrude.

In the present application, the second leaf 32 comprises a first and a second turned surface, opposite each other, on which the supporting member 33 is arranged, opposite the first leaf 31. Make hinge assembly 3's overall structure compacter like this, need not to set up bearing part 33 alone on box 1 and support door body 2, through the cooperation between bearing part 33 and the first cooperation portion 320, guaranteed door body 2 when bearing part 33 bearing effect, can with the accurate cooperation of first cooperation portion 320.

In order to facilitate the fixing of the supporting member 33, the hinge assembly 3 further comprises: the supporting frames 34 are arranged on the second leaf 32, the supporting frames 34 protrude relative to the surface of the second leaf 32, the number of the supporting frames 34 is two, the two supporting frames 34 are arranged oppositely and at intervals, the supporting part 33 is arranged between the two supporting frames 34, and the supporting part 33 is connected with the two supporting frames 34 respectively. The support frame 34 is provided with a rotating shaft, the bearing component 33 is arranged on the transmission shaft in a penetrating mode, and the bearing end face protrudes relative to the top face of the support frame 34, so that the bearing end face is in contact with the door body 2 in preference to the support frame 34.

In specific implementation, the door body 2 is provided with a limiting groove 26 matched with the supporting part 33, the limiting groove 26 extends along the sliding direction of the door body 2, at least part of the supporting part 33 is located in the limiting groove 26, and at least part of the supporting end face is in contact with the groove bottom surface of the limiting groove 26. The arrangement can make the door body 2 slide along a preset track by utilizing the stopping function of the supporting part 33 and the groove side wall surface of the limiting groove 26, thereby avoiding the deviation of the moving track generated in the repeated sliding process of the door body 2 and improving the matching precision of the door body 2 and the hinge assembly 3.

In the embodiment provided by the present invention, the supporting member 33 is rotatably provided about a predetermined axis; and/or the support member 33 is a bearing. The arrangement enables the door body 2 to move more smoothly, reduces the friction between the door body 2 and the support member 33, and supports the door body 2 through the support member 33 when the door body 2 is in a closed state.

Wherein, be provided with spacing slide 11 on the first top surface 10 of box 1, the opening of spacing slide 11 is towards the inboard of box 1, and at least part of door body 2 is inserted and is established in spacing slide 11 to move along the extending direction of spacing slide 11. Set up like this and can utilize the top surface of spacing slide 11 to carry on spacingly to door body 2, when the pressure increase in the box 1, utilize the limiting action of spacing slide 11 to door body 2, avoid door body 2 to be backed down, improved door body 2's intensity.

Specifically, the transport box further comprises: the limiting part 13 is arranged on the second top surface 12 of the box body 1, and the limiting part 13 protrudes relative to the second top surface 12; the first top surface 10 and the second top surface 12 form a first included angle therebetween; the door body 2 is provided with an engaging part 21, and at least part of the engaging part 21 is engaged with the limiting part 13 to enable the door body 2 to be in a closing position. The setting can utilize block portion 21 and stop part 13 joint at the in-process that the door body 2 closed like this, reminds operating personnel door body 2 to have slided to the closed position, and then avoids the door body 2 to surpass the slip stroke.

The box body 1 comprises two opposite first top surfaces 10 and two opposite second top surfaces 12, the two first top surfaces 10 and the two second top surfaces 12 jointly enclose an opening for placing materials, and the door body 2 corresponds to the opening so that the box body 1 can be opened or closed.

In the present application, the plurality of limiting parts 13 are provided, and the plurality of limiting parts 13 are arranged at intervals along the extending direction of the second top surface 12; the engaging portions 21 are provided in plural, and the plural engaging portions 21 are provided in one-to-one correspondence with the plural stopper members 13. In this way, the plurality of engaging portions 21 can be engaged with the plurality of stopper members 13 to position the door 2, thereby ensuring the accuracy of engagement between the door 2 and the cabinet 1.

In the embodiment provided by the present invention, the position restricting part 13 includes: a support post 130 disposed on the second top surface 12; the limiting clamp 131 is arranged on the supporting upright column 130, and the projection area of the orthographic projection of the limiting clamp 131 on the horizontal plane is larger than that of the supporting upright column 130 on the horizontal plane; the engaging portion 21 includes an engaging opening 210, and at least a portion of the support pillar 130 is engaged in the engaging opening 210. The area of projection through being greater than the orthographic projection of support post 130 on the horizontal plane with the orthographic projection of spacing dop 131 on the horizontal plane, when the door body 2 was in the closed position, can also utilize spacing dop 131 and 21 blocking effect of block portion in vertical direction, with the cooperation of spacing slide 11, avoid the door body 2 by jack-up.

Further, as shown in fig. 5, the door body 2 is further provided with a clamping support bar 22, two sides of the clamping support bar 22 are respectively spaced from the door body 2 and the second top surface 12 of the cabinet 1, and the clamping opening 210 is provided on the clamping support bar 22. The strength of the door body 2 at the closing position is ensured by the blocking effect of the limiting clamping head 131 on the clamping support bar 22 body which is enclosed into the clamping opening 210, and the sealing performance and the pressure bearing performance of the box body 1 are ensured.

In order to enable the door body 2 to slide smoothly, as shown in fig. 3, the door body 2 is provided with an avoiding portion 23, the avoiding portion 23 is recessed with respect to an inner wall surface of the door body 2, and the stopper member 13 is avoided by the avoiding portion 23 in a process that the door body 2 moves.

As shown in fig. 3, the case 1 is provided with a stopping member 14, the stopping member 14 includes a first body 141, a second body 142 and a third body 143 which are connected in sequence, the first body 141 is arranged on the first top surface 10 of the case 1 and is opposite to the third body 143, so as to enclose a limiting slideway 11 among the first body 141, the second body 142 and the third body 143; the first body 141 and the third body 143 are respectively provided with a baffle 15, the baffle 15 is opposite to the second body 142, and a passing gap for passing the door body 2 is formed between the two baffles 15. Block the door body 2 through baffle 15, make the door body 2 keep sliding in spacing slide 11 all the time, utilize third body 143 to the effect of blockking of the door body 2 in vertical direction simultaneously, avoid the door body 2 to be backed down.

In particular implementation, the transport box further comprises: the sliding plate 24 is arranged on the door body 2, the sliding plate 24 is connected with the door body 2 through a connecting sheet 25, and an included angle is formed between the surface of the sliding plate 24 and the surface of the connecting sheet 25; the sliding plate 24 is matched with the limit slideway 11 so that the door body 2 slides along the extending direction of the limit slideway 11. Preferably, the sliding plate 24 is perpendicular to the connecting plate 25, the sliding plate 24 is perpendicular to the first top surface 10, and the connecting plate 25 is parallel to the first top surface, so that the sliding plate 24 is blocked by the blocking plate 15 to prevent the sliding plate 24 from falling out of the limiting slide way 11, and the sliding plate 24 is connected with the door body 2 by the connecting plate 25, and the connecting plate 25 passes through the gap between the two blocking plates 15.

As shown in fig. 2, a guide end face 240 is provided at an end of the sliding plate 24, the guide end face 240 is an arc-shaped face, an avoiding notch 1430 is provided on the third body 143, and at least a part of the guide end face 240 contacts with an end face of the third body 143 that encloses the avoiding notch 1430, so that the sliding plate 24 moves into the limiting slide way 11. Therefore, when the door body 2 moves from the opening position to the closing position, the door body 2 is firstly lifted, the sliding plate 24 is inserted into the limiting slide way 11, in order to avoid the door body 2 from being stuck due to the fact that the sliding plate 24 and the limiting slide way 11 are staggered, the guide end face 240 at the end part of the sliding plate 24 is attached to the avoiding notch 1430 on the third body 143, and then the sliding plate 24 is guided when the door body 2 is lifted up and gradually moves to the horizontal position, so that the door body 2 can slide to the closing position along the horizontal direction.

Specifically, the transport box further comprises: the middle stopper 16 is arranged on the first top surface 10 of the box body 1 and positioned in the middle of the first top surface 10, the middle stopper 16 is cylindrical, and a limiting notch 160 is arranged on the body of the middle stopper 16; the connecting piece 25 is provided with a connecting notch 250, at least part of the connecting notch 250 is clamped with the limiting notch 160, and the door body 2 is positioned at a closing position through the blocking effect of the limiting notch 160 on the connecting notch 250.

Wherein, the door body 2 that this application has is two, and two door body 2 relative slip keep off piece 16 in the middle of setting up, have guaranteed two door body 2 when being in the closed position, the leakproofness of the laminating position department of two door bodies 2. The stopping part 14 includes a first stopping part 144 and a second stopping part 146, the first stopping part 144 and the second stopping part 146 are respectively located at two sides of the middle stopper 16, and the two door bodies 2 are respectively matched with the first stopping part 144 and the second stopping part 146, so that the door bodies are at the closing position.

In the concrete implementation process, box 1 includes box skeleton 17 and box coating 18, box coating 18 cladding is on box skeleton 17, in the time of transporting the material, make transport bag and 18 contacts of box coating, when can making the transport bag atress even, avoid the transport bag by the risk that box skeleton 17 lacerated, preferably, box skeleton 17 is the metal material, box coating 18 is the plastics material, box skeleton 17 and box coating 18 are connected through the technology of moulding plastics, so both guaranteed the bearing capacity of box 1, the whole weight of box 1 has been alleviateed again.

Further, door plant 2 includes door plant skeleton 27 and door plant coating 28, and door plant skeleton 27 is the metal material, and door plant coating 28 is the plastics material, and door plant skeleton 27 and door plant coating 28 are connected through injection molding process, through door plant coating 28 and the contact of box coating 18, have reduced the frictional force of door plant 2 between slip in-process and box 1, have still guaranteed simultaneously to realize the face contact between door plant 2 and the box 1, have improved the leakproofness.

Specifically, the box 1 includes a base 4 and a plurality of curb plates 5, and a plurality of curb plates 5 connect gradually along the circumferential direction of base 4 to enclose the space that becomes to be used for holding the material, and curb plate 5 includes interconnect's first curb plate 51 and second curb plate 52, and spacing slide 11 sets up on second curb plate 52, and first leaf 31 in the hinge assembly 3 sets up on first curb plate 51, is provided with discharge opening 44 on the base 4, unloads out the material in the box 1 through discharge opening 44.

Wherein, a plurality of curb plates 5 set up for base 4 can overturn, when storing the transport case, can overturn curb plate 5 and fold the box, as shown in fig. 8, open the side of the first curb plate 51 with door body 2 at first, later successively overturn second curb plate 52 and first curb plate 51 to fold the transport case, can reduce storage space when the transport case is in fold condition, make and be compacter between each part of transport case in fold condition.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A transport case, comprising:

a box body (1) for containing materials;

the door body (2) is slidably arranged on the box body (1) so as to open or close the box body (1);

hinge assembly (3), set up and be in on box (1), hinge assembly (3) are including first fan page or leaf (31) and second fan page or leaf (32) of mutual articulated, first fan page or leaf (31) with box (1) fixed connection, be provided with first cooperation portion (320) on second fan page or leaf (32), be provided with second cooperation portion (20) on the door body (2) when the predetermined open position is opened in door body (2), second cooperation portion (20) with first cooperation portion (320) joint, the door body (2) is followed second fan page or leaf (32) upset makes door body (2) are located the side of box (1).

2. A transport box according to claim 1, wherein the first fitting portion (320) is interference fitted with the second fitting portion (20), the first fitting portion (320) is a fitting opening, and the second fitting portion (20) is a fitting boss.

3. A transportation box according to claim 1, characterized in that the first mating portion (320) is a mating opening, the second mating portion (20) comprising:

the matching upright post (201) is arranged on the door body (2);

the limiting stopper (202) is arranged on the matching upright post (201), at least part of the matching upright post (201) is clamped into the matching opening, and the limiting stopper (202) drives the second leaf (32) to turn over; the door body (2) is located on the side of the box body (1) through the blocking effect of the matching opening on the matching upright post (201).

4. A transport box according to claim 1, characterized in that said second leaf (32) has an initial position and a turned position, at least part of said second leaf (32) being located above said first leaf (31) with a passage gap with said first leaf (31) to bring said second leaf (32) to the initial position;

at least a part of the second fitting part (20) is clamped with the first fitting part (320) through the passing gap.

5. A transport box according to claim 1, characterized in that the second leaf (32) comprises a hinged end and a mating end arranged opposite, the hinged end of the second leaf (32) being hinged to the first leaf (31), the mating end of the second leaf (32) extending towards the inside of the box (1);

the first matching part (320) is arranged at the matching end of the second fan blade (32);

the first matching part (320) is a matching opening, and the matching opening faces to the inner side of the box body (1).

6. Transport box according to claim 1, characterized in that the hinge assembly (3) further comprises:

the bearing component (33) is arranged on the second fan blade (32), the bearing component (33) is provided with a bearing end face, and the bearing end face is an arc-shaped face;

at least part of the bearing end face is in contact with the door body (2) so as to support the door body (2).

7. A transport box according to claim 6, characterized in that said second leaf (32) comprises a first and a second opposite overturning plane, said first overturning plane being opposite to said first leaf (31), said supporting element (33) being arranged on said second overturning plane.

8. Transport box according to claim 6, characterized in that the hinge assembly (3) further comprises:

the supporting frames (34) are arranged on the second fan blade (32), the supporting frames (34) protrude relative to the surface of the second fan blade (32), the number of the supporting frames (34) is two, the two supporting frames (34) are arranged oppositely and at intervals, the supporting part (33) is arranged between the two supporting frames (34), and the supporting part (33) is connected with the two supporting frames (4) respectively.

9. Transport box according to claim 6,

be provided with on the door body (2) with spacing recess (26) of bearing part (33) complex, spacing recess (26) are followed the sliding direction of the door body (2) extends, at least part of bearing part (33) is located in spacing recess (26), at least part of bearing terminal surface with the tank bottom surface contact of spacing recess (26).

10. Transport box according to any of claims 6 to 9, characterised in that said supporting element (33) is rotatably arranged around a predetermined axis; and/or the supporting part (33) is a bearing.