Bamboo-plastic composite material turnover box

Abstract

The present application relates to the technical field of turnover boxes, and discloses a bamboo-plastic composite material turnover box, which comprises a turnover box body, side taking-out openings are symmetrically arranged on the two side edges of the turnover box body, a door plate one is rotatably installed in the side taking-out opening through a connecting hinge, a door plate two is rotatably connected to the top of the door plate one through a connecting hinge, connecting pieces are fixedly installed at the edge positions of the adjacent side edges of the door plate one and the door plate two and the adjacent side edges of the edge positions of the door plate one and the bottom of the side taking-out opening, respectively, the connecting pieces are hingedly formed by installation plates one and two, and the half edges of the connecting pieces close to the center lines of the door plate one and the door plate two are fixedly connected to the edge positions of the door plate one, the door plate two and the bottom of the side taking-out opening, respectively. Through the arrangement of the side taking-out openings, the door plate one and the door plate two, the operating personnel can directly take or place articles from the side taking-out openings of the turnover box body or check the goods, and the turnover box is convenient to use.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of turnover boxes, in particular to a bamboo-plastic composite material turnover box. BACKGROUND

[0002] The bamboo-plastic composite material is a material formed by adding bamboo fiber and bamboo powder in the form of reinforcing material or filler to thermoplastic plastic and then heating the bamboo and the thermoplastic plastic in a molten state to be compounded, or a material formed by injecting an organic monomer into the microstructure of the bamboo, and then treating it by radiation or catalyst method to make the organic monomer and the components of the bamboo produce graft copolymerization or homopolymer.

[0003] The bamboo-plastic composite material turnover box is a turnover box made of bamboo-plastic composite material. The existing bamboo-plastic composite material turnover box is usually a fixed rectangular frame structure. When using it, the goods are placed inside the box. When the goods inside the turnover box are too much, it is not convenient to check the goods located in the middle. In addition, when using it, multiple turnover boxes are usually stacked for storage in order to reduce the occupied space. This results in the need to remove all the turnover boxes above in order to get the goods in the turnover box below when trying to get the goods in the turnover box below, which is not convenient for getting the goods. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a bamboo-plastic composite material turnover box to solve the problems in the background art.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the present application provides the following technical scheme: The bamboo plastic composite turnover box comprises a turnover box main body, side taking openings are symmetrically arranged on both side edges of the turnover box main body, a door plate one is rotatably arranged in the side taking opening through a connecting hinge, a door plate two is rotatably connected to the top of the door plate one through a connecting hinge, connecting pieces are fixedly arranged at the edge positions of the adjacent side edges of the door plate one and the door plate two and the adjacent side edges of the bottom of the side taking opening, the connecting pieces are hingedly connected by installation plates one and two, the half edges of the connecting pieces close to the middle lines of the door plate one and the door plate two are fixedly connected to the door plate one, the door plate two and the edge position of the bottom of the side taking opening, the half edges of the connecting pieces away from the door plate one and the door plate two are attached to the outer side walls of the turnover box main body, a buffer assembly is arranged on the outer side of the connecting piece, the buffer assembly comprises a movable rod and a supporting sleeve, the movable rod and the supporting sleeve are both arranged in a circular arc shape, the top end of the movable rod is fixedly connected to the side edge of the installation plate one, the bottom end of the supporting sleeve is fixedly connected in the installation plate two, one end of the movable rod away from the installation plate one is movably inserted into the supporting sleeve, a sealing sleeve is fixedly arranged on the top end of the supporting sleeve, the inner cavity of the supporting sleeve is filled with buffer oil, one end of the movable rod inserted into the supporting sleeve is fixedly connected with a spherical piston, the spherical piston is matched with the inner cavity of the supporting sleeve, the inside of the spherical piston is hollow, a through hole one is arranged at the bottom center of the spherical piston, a plurality of through holes two are arranged at the top side edge of the spherical piston, a conical barrel is arranged in the middle of the spherical piston, the inside of the conical barrel is hollow and the bottom is open, the bottom of the conical barrel is opposite to the through hole one, a spring three is fixedly connected to the tip of the conical barrel, and the spring three is fixedly connected to the inner wall of the top of the spherical piston.

[0008] Preferably, a through hole three is symmetrically arranged at the side edge of the bottom of the spherical piston, a flap is arranged in the through hole three, one side of the flap is rotatably connected to the inner wall of the through hole three, and torsional springs for resetting the flap are fixedly arranged at the positions on both sides of the connection position, a stop block is fixedly connected to the side of the through hole three away from the torsional spring, and the stop block is arranged at the side of the flap close to the inside of the spherical piston.

[0009] Preferably, long rods are fixedly connected to the inner sides of the spherical piston, connecting rods are fixedly connected to the two sides of the conical barrel, a sliding block is fixedly connected to one end of the connecting rod close to the long rod, and sliding grooves are arranged at the opposite side edges of the long rods.

[0010] Preferably, a clamping component is provided on the connecting piece, and the first door panel and the second door panel are fixed to the outside of the turnover box body through the clamping component. The clamping component includes a through groove, which is opened at the middle position of the half sides of the first mounting plate and the second mounting plate adjacent to the outside of the turnover box body. A clamping hook is fixedly connected to the outer side wall of the turnover box body at a position corresponding to the through groove. The end of the clamping hook is inclined. Activity cavities are provided inside the first mounting plate and the second mounting plate at positions on both sides of the through groove. The activity cavities are communicated with the through groove. A clamping rod is horizontally and penetratingly arranged in the middle of the through groove. Both ends of the clamping rod extend into the activity cavities on both sides, and a pull rod is fixedly connected to the top of both ends of the clamping rod respectively. The top of the pull rod vertically penetrates and extends to the outside of the upper and lower sides of the first mounting plate and the second mounting plate, and a pull plate is fixedly connected to the end of the pull rod located outside. A first spring is sleeved on a section of the pull rod located inside the activity cavity.

[0011] Preferably, a connecting component is provided on the connecting piece installed on the side adjacent to the connection position of the first door panel and the second door panel. The connecting component includes a mounting seat fixedly connected to the first mounting plate. An installation cavity is opened in the middle of one side of the mounting seat. A plug rod is installed inside the installation cavity. The plug rod is arranged in a "L" shape. A connecting block one is fixedly connected to the edge position of the first mounting plate. A connecting block two is fixedly connected to the edge position of the second mounting plate. Through holes are respectively provided in the middle of the connecting block one and the connecting block two. The long rod part of the plug rod penetrates through the through hole in the middle of the connecting block one and is inserted into the installation cavity of the mounting seat. The bent end of the plug rod is inserted into the through hole in the middle of the connecting block two.

[0012] Preferably, a second spring is installed inside the installation cavity of the mounting seat. Both ends of the second spring are respectively rotationally connected to the inner wall of the installation cavity and the end of the plug rod.

[0013] Preferably, grooves are opened at the inner side positions of the first door panel and the turnover box body on the second mounting plate. The bottom end of the support sleeve penetrates through the second mounting plate and is inserted into the groove. Preferably, the top end of the support sleeve is in a horizontal position.

[0015] (III) Beneficial effects

[0016] The present invention provides a turnover box made of bamboo-plastic composite material, which has the following beneficial effects:

[0017] 1、Through the setting door plate one and door plate two can open the side of the pivot box main body side edge side take the mouth, and then facilitate the operating personnel directly from the side of the turnover box main body take the mouth of the article or the goods are inspected, when the door plate two is turned outward and opened, the buffer assembly is synchronized to start, the door plate two drives the mounting plate one to rotate, the mounting plate one drives the movable rod to move, so that the movable rod is inserted into the support sleeve inside, the movable rod drives the spherical piston to slide along the inside of the support sleeve, the spherical piston moves from the top of the support sleeve to the bottom, in the moving process, the buffer oil in the support sleeve inside enters the spherical piston inside from the hole one, and is blocked by the open bottom of the cone barrel, a large resistance is generated, and then the buffer oil flows from the hole two of the spherical piston, so that the spherical piston moves slowly along the inside of the support sleeve, so that the door plate two is turned open until it contacts with the top of the support sleeve, without great impact on the support sleeve, so as to protect the support sleeve and prolong the service life of the support sleeve, when the outer wall of the door plate two abuts against the top of the support sleeve, the upper surface of the door plate two tends to be horizontal, so that it can be used for temporary storage of goods when taking the goods, and the goods are convenient to take, in addition, when the door plate two is closed, the spherical piston can be driven to move upward along the support sleeve, at this time, the buffer oil enters from the hole two and contacts with the inclined side of the cone barrel, and the resistance is small, so that the spherical piston is quickly reset.

[0018] 2、Through the setting hole three, flap, torsional spring, stop block and other structures, when the spherical piston moves downward, the buffer oil extrudes the flap from the outside of the hole three, under the blocking action of the stop block, the flap will not open inward, when the spherical piston moves upward, the buffer oil in the spherical piston extrudes the flap outward, the flap can be turned outward and opened, at this time, the buffer oil can pass through the spherical piston, so that the spherical piston is quickly reset.

[0019] 3、Through the setting of the clamping assembly, the door plate one and the door plate two are fixed outside the turnover box main body, when the door plate two needs to be opened alone, the upper pull plate is pulled, the pull rod drives the clamping rod to move upward, the spring one is compressed, so that the clamping rod no longer blocks the clamping hook, so that the clamping hook can be separated from the through slot, so that the door plate two can be opened, when the door plate one and the door plate two need to be opened at the same time, the upper and lower pull plates on both sides need to be moved outward at the same time.

[0020] 4, by setting the connecting assembly for limiting the movement of the mounting plate one and the mounting plate two, in use, by moving the plug rod outward, the plug rod slides outward along the connecting block one, and the bent part of the plug rod is separated from the through hole in the middle of the connecting block two, at this time, the mounting plate one can be turned over alone, so that the door plate two can be opened, when the bent part of the plug rod is inserted into the connecting block two, at this time, the mounting plate one and the mounting plate two are connected into a whole through the connecting assembly, so that the door plate one and the door plate two can be opened at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the application;

[0022] Figure 2 It is a side view of the application;

[0023] Figure 3 It is a partial sectional view of the application;

[0024] Figure 4 It is another partial sectional view of the application;

[0025] Figure 5 It is an enlarged schematic diagram of the structure at A of the application;

[0026] Figure 6 It is an enlarged schematic diagram of the structure at B of the application;

[0027] Figure 7 It is an enlarged schematic diagram of the structure at C of the application;

[0028] Figure 8 It is a side view of the clamping hook of the application.

[0029] In the figure: 1, turnover box main body; 2, side taking opening; 3, door plate one; 4, door plate two; 5, connecting hinge; 6, connecting piece; 61, mounting plate one; 62, mounting plate two; 7, clamping assembly; 71, pull plate; 72, pull rod; 73, movable cavity; 74, clamping hook; 75, clamping rod; 76, spring one; 77, through slot; 8, connecting assembly; 81, mounting seat; 82, spring two; 83, connecting block one; 84, plug rod; 85, connecting block two; 9, buffer assembly; 91, movable rod; 92, support sleeve; 93, buffer oil; 94, sealing sleeve; 95, spherical piston; 96, through hole one; 97, conical barrel; 98, spring three; 99, through hole two; 910, through hole three; 911, turning plate; 912, stop block; 913, torsional spring; 914, connecting rod; 915, sliding block; 916, long rod; 917, sliding groove; 10, groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.

[0031] As Figures 1-8The present application provides a technical scheme: bamboo plastic composite turnover box, including turnover box body 1, the two sides of turnover box body 1 symmetry is equipped with side taking mouth 2, side taking mouth 2 is rotationally installed with door plate one 3 by connecting hinge 5, the top of door plate one 3 is rotationally connected with door plate two 4 by connecting hinge 5, the edge position of the adjacent side of door plate one 3 and door plate two 4 and the edge position of the adjacent side of door plate one 3 and the bottom of side taking mouth 2 are respectively fixedly installed with connecting piece 6, connecting piece 6 is hingedly formed by mounting plate one 61 and mounting plate two 62, the half of connecting piece 6 close to the center line of door plate one 3 and door plate two 4 is respectively fixedly connected in the edge position of door plate one 3, door plate two 4 and the bottom of side taking mouth 2, the half of connecting piece 6 away from door plate one 3 and door plate two 4 is respectively attached to the outside wall of turnover box body 1, buffer assembly 9 is installed on the outside of connecting piece 6, buffer assembly 9 includes movable rod 91 and support sleeve 92, movable rod 91 and support sleeve 92 are both set as circular arc and concentric circle, the side of movable rod 91 top end is fixedly connected in mounting plate one 61, the bottom of support sleeve 92 is fixedly connected in mounting plate two 62, one end of movable rod 91 away from mounting plate one 61 is movably inserted in support sleeve 92, the top of support sleeve 92 is fixedly installed with sealing sleeve 94, buffer oil 93 is filled in the inner cavity of support sleeve 92, one end of movable rod 91 inserted in support sleeve 92 is fixedly connected with spherical piston 95, spherical piston 95 is matched with the inner cavity of support sleeve 92, the inside of spherical piston 95 is hollow, through hole one 96 is formed in the bottom center of spherical piston 95, a plurality of through hole two 99 are formed in the top side of spherical piston 95, cone barrel 97 is arranged in the middle of spherical piston 95, the inside of cone barrel 97 is hollow and the bottom is open, the bottom of cone barrel 97 is opposite to through hole one 96, spring three 98 is fixedly connected to the tip of cone barrel 97, spring three 98 is fixedly connected to the top inner wall of spherical piston 95, when using, open clamping assembly 7 located in the adjacent position of door plate one 3 and door plate two 4, at this time, door plate one 3 and door plate two 4 can be opened by turning outwards, it is convenient for operating personnel to directly take or place goods from side taking mouth 2 of turnover box body 1 or check goods, in addition, when door plate two 4 is opened, buffer assembly 9 starts synchronously when door plate two 4 turns outwards, door plate two 4 drives mounting plate one 61 to rotate, mounting plate one 61 drives movable rod 91 to move, so that movable rod 91 is inserted in support sleeve 92, movable rod 91 drives spherical piston 95 to slide along the inside of support sleeve 92, spherical piston 95 moves from the top to the bottom of support sleeve 92, in the moving process, buffer oil 93 in the inside of support sleeve 92 enters the inside of spherical piston 95 from through hole one 96, and is blocked by the open bottom of cone barrel 97, generates greater resistance, then buffer oil 93 flows from through hole two 99 of spherical piston 95, so that spherical piston 95 moves slowly along the inside of support sleeve 92,Thus, the door plate two 4 is flipped open until it is in contact with the top of the support sleeve 92, without causing great impact on the support sleeve 92, thereby protecting the support sleeve 92 and prolonging the service life of the support sleeve 92. When the outer side wall of the door plate two 4 abuts against the top end of the support sleeve 92, the upper surface of the door plate two 4 tends to be horizontal, which can be used for temporarily storing goods when taking the goods, and facilitates taking the goods. In addition, when the door plate two 4 is closed, the spherical piston 95 can be driven to move upward along the support sleeve 92. At this time, the buffer oil 93 enters the through hole two 99 and contacts the inclined side of the conical barrel 97, and the resistance is small, so that the spherical piston 95 can be quickly reset.

[0032] Further, the bottom side of the spherical piston 95 is symmetrically provided with a through hole three 910, and the through hole three 910 is internally provided with a flap 911. One side of the flap 911 is rotationally connected to the inner wall of the through hole three 910, and torsional springs 913 for resetting the flap 911 are fixedly installed on both sides of the connected position. A stop block 912 is fixedly connected to the side of the through hole three 910 away from the torsional springs 913. The stop block 912 is arranged on the side of the flap 911 close to the inside of the spherical piston 95. In use, when the spherical piston 95 moves downward, the buffer oil 93 extrudes the flap 911 from the outside of the through hole three 910. Under the blocking action of the stop block 912, the flap 911 will not open inward. When the spherical piston 95 moves upward, the buffer oil 93 inside the spherical piston 95 extrudes the flap 911 from the inside to the outside. The flap 911 can be flipped open outward, which can accelerate the buffer oil 93 to pass through the spherical piston 95, thereby facilitating the quick resetting of the spherical piston 95.

[0033] Further, the inside of the spherical piston 95 is fixedly connected with two long rods 916, and the two sides of the conical barrel 97 are fixedly connected with connecting rods 914. The connecting rods 914 are fixedly connected with sliding blocks 915 close to the long rods 916. The opposite sides of the long rods 916 are respectively provided with sliding grooves 917. The sliding blocks 915 are slidingly arranged in the sliding grooves 917. In use, the spring three 98, the connecting rods 914, the sliding blocks 915, the long rods 916 and the sliding grooves 917 are arranged to facilitate the stable installation of the conical barrel 97 in the inside of the spherical piston 95.

[0034] Further, the connecting piece 6 is provided with a clamping assembly 7, the door plate one 3 and the door plate two 4 are fixed outside the turnover box body 1 through the clamping assembly 7, the clamping assembly 7 comprises a through slot 77, the through slot 77 is arranged in the middle position of the half edge of the mounting plate one 61 and the mounting plate two 62 adjacent to the outside of the turnover box body 1, the outside wall of the turnover box body 1 is fixedly connected with a clamping hook 74 at the position corresponding to the through slot 77, the end of the clamping hook 74 is arranged in an inclined shape, the inside of the mounting plate one 61 and the mounting plate two 62 at the positions on both sides of the through slot 77 is provided with a movable cavity 73, the movable cavity 73 is communicated with the through slot 77, a clamping rod 75 is transversely arranged in the middle of the through slot 77, the both ends of the clamping rod 75 extend into the movable cavities 73 on both sides, and the top of the both ends of the clamping rod 75 is fixedly connected with a pull rod 72, the top end of the pull rod 72 vertically extends to the outside of the upper and lower sides of the mounting plate one 61 and the mounting plate two 62, and the end of the pull rod 72 on the outside is fixedly connected with a pull plate 71, a spring one 76 is sleeved on the section of the pull rod 72 in the movable cavity 73, when using, when the door plate two 4 needs to be opened alone, the pull plate 71 on the upper side is pulled, the pull plate 71 drives the clamping rod 75 to move upward through the pull rod 72, the spring one 76 is compressed, so that the clamping rod 75 no longer blocks the clamping hook 74, the clamping hook 74 can be separated from the through slot 77, so that the door plate two 4 can be opened, when the door plate one 3 and the door plate two 4 need to be opened at the same time, the pull plates 71 on the upper and lower sides need to be moved outward at the same time.

[0035] Further, the connecting piece 6 is provided with a clamping assembly 7, the door plate one 3 and the door plate two 4 are fixed outside the turnover box body 1 through the clamping assembly 7, the clamping assembly 7 comprises a through slot 77, the through slot 77 is arranged in the middle position of the half edge of the mounting plate one 61 and the mounting plate two 62 adjacent to the outside of the turnover box body 1, the outside wall of the turnover box body 1 is fixedly connected with a clamping hook 74 at the position corresponding to the through slot 77, the end of the clamping hook 74 is arranged in an inclined shape, the inside of the mounting plate one 61 and the mounting plate two 62 at the positions on both sides of the through slot 77 is provided with a movable cavity 73, the movable cavity 73 is communicated with the through slot 77, a clamping rod 75 is transversely arranged in the middle of the through slot 77, the both ends of the clamping rod 75 extend into the movable cavities 73 on both sides, and the top of the both ends of the clamping rod 75 is fixedly connected with a pull rod 72, the top end of the pull rod 72 vertically extends to the outside of the upper and lower sides of the mounting plate one 61 and the mounting plate two 62, and the end of the pull rod 72 on the outside is fixedly connected with a pull plate 71, a spring one 76 is sleeved on the section of the pull rod 72 in the movable cavity 73, when using, when the door plate two 4 needs to be opened alone, the pull plate 71 on the upper side is pulled, the pull plate 71 drives the clamping rod 75 to move upward through the pull rod 72, the spring one 76 is compressed, so that the clamping rod 75 no longer blocks the clamping hook 74, the clamping hook 74 can be separated from the through slot 77, so that the door plate two 4 can be opened, when the door plate one 3 and the door plate two 4 need to be opened at the same time, the pull plates 71 on the upper and lower sides need to be moved outward at the same time.

[0036] Further, the installation cavity of the mounting base 81 is internally provided with a second spring 82, two ends of the second spring 82 are respectively rotatably connected with the inner wall of the installation cavity and the end of the insertion rod 84, the second spring 82 is arranged to facilitate the insertion rod 84 to be limited in the mounting base 81, and the insertion rod 84 can be reset, when the bent part of the insertion rod 84 is separated from the connecting block two 85, the insertion rod 84 is rotated by a certain angle, so that the bent part of the insertion rod 84 is staggered with the through hole of the connecting block two 85, so as to facilitate the installation plate one 61 to be individually turned over.

[0037] Further, the recess 10 is arranged at the inner side of the door plate one 3 and the turnover box body 1 which is located in the installation plate two 62, the bottom end of the support sleeve 92 penetrates the installation plate two 62 and is inserted in the recess 10, so that the length of the support sleeve 92 is greater than the length of the movable rod 91, so that the movable rod 91 can be completely inserted into the inside of the support sleeve 92, and the support sleeve 92 can be supported below when the door plate one 3 or the door plate two 4 is opened.

[0038] Further, the top end of the support sleeve 92 is in a horizontal position, so that the upper surface of the door plate one 3 and the door plate two 4 can tend to be horizontal when the door plate one 3 and the door plate two 4 are opened, thereby facilitating the placement of goods.

[0039] In summary, the working process of the present application is as follows: when in use, the clamping assembly 7 located at the adjacent position of the door plate one 3 and the door plate two 4 is opened, at this time, the door plate one 3 and the door plate two 4 can be turned over and opened outward, which facilitates the work personnel to directly take and place articles from the inside of the turnover box body 1, when the door plate two 4 is turned over and opened outward, the buffer assembly 9 starts synchronously, the door plate two 4 drives the installation plate one 61 to rotate, the installation plate one 61 drives the movable rod 91 to move, so that the movable rod 91 is inserted into the inside of the support sleeve 92, the movable rod 91 drives the spherical piston 95 to slide along the inside of the support sleeve 92, the spherical piston 95 moves from the top end to the bottom of the support sleeve 92, in the moving process, the buffer oil 93 in the inside of the support sleeve 92 enters the inside of the spherical piston 95 from the through hole one 96, and is blocked by the open bottom of the conical barrel 97, so that a large resistance is generated, then the buffer oil 93 flows from the through hole two 99 of the spherical piston 95, so that the spherical piston 95 moves slowly along the inside of the support sleeve 92, so that when the door plate two 4 is turned over and opened until the top of the support sleeve 92 is contacted, a great impact on the support sleeve 92 is not generated, so that the support sleeve 92 can be protected, and the service life of the support sleeve 92 is prolonged, when the outer side wall of the door plate two 4 abuts against the top end of the support sleeve 92, the upper surface of the door plate two 4 tends to be in a horizontal position, so that when the goods are taken, the goods can be temporarily stored, which facilitates the taking of the goods, in addition, when the door plate two 4 is closed, the spherical piston 95 moves upward along the support sleeve 92, at this time, the buffer oil 93 enters from the through hole two 99, and contacts the inclined side of the conical barrel 97, so that a small resistance is generated, which facilitates the quick reset of the spherical piston 95.

[0040] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify different entities or actions from each other in a relative way and do not necessarily require or imply any actual relationship or order between these entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0041] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A bamboo-plastic composite material turnover box, characterized in that: The container includes a main body (1) of a turnover box, on which side access openings (2) are symmetrically provided on both sides. A door panel (3) is rotatably installed in the side access opening (2) via a connecting hinge (5). A door panel (4) is rotatably connected to the top of the door panel (3) via a connecting hinge (5). Connecting pieces (6) are fixedly installed at the edges of adjacent sides of the door panel (3) and the door panel (4) and at the edges of adjacent sides of the bottom of the door panel (3) and the side access opening (2). The connector (6) is formed by hinged mounting plate one (61) and mounting plate two (62). The half of the connector (6) near the center line of door panel one (3) and door panel two (4) is fixedly connected to the bottom edge of door panel one (3), door panel two (4) and side access opening (2), respectively. The half of the connector (6) away from door panel one (3) and door panel two (4) is respectively attached to the outer side wall of the turnover box body (1). A buffer assembly (9) is installed on the outside of the connector (6). The buffer assembly (9) includes a movable The movable rod (91) and the supporting sleeve (92) are both arc-shaped. The top end of the movable rod (91) is fixedly connected to the side of the mounting plate one (61), and the bottom end of the supporting sleeve (92) is fixedly connected to the mounting plate two (62). One end of the movable rod (91) away from the mounting plate one (61) is movably inserted into the inside of the supporting sleeve (92). A sealing sleeve (94) is fixedly installed at the top end of the supporting sleeve (92). The inner cavity is filled with buffer oil (93). The end of the movable rod (91) inserted into the support sleeve (92) is fixedly connected to a spherical piston (95). The spherical piston (95) is adapted to the inner cavity of the support sleeve (92). The inside of the spherical piston (95) is hollow. A through hole (96) is opened at the center of the bottom of the spherical piston (95). Multiple sets of through holes (99) are opened on the top side of the spherical piston (95). A cone barrel (97) is set in the middle of the spherical piston (95). The inside of the cone barrel (97) is hollow and the bottom is open. The bottom of the cone barrel (97) is opposite to the through hole (96). A spring (98) is fixedly connected to the tip of the cone barrel (97). The spring (98) is fixedly connected to the top inner wall of the spherical piston (95).

2. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: The spherical piston (95) has symmetrical through holes three (910) on its bottom side. A flap (911) is installed inside the through hole three (910). One side of the flap (911) is rotatably connected to the inner wall of the through hole three (910), and torsion springs (913) are fixedly installed on both sides of the connection position to reset the flap (911). A stop block (912) is fixedly connected to the side of the through hole three (910) away from the torsion spring (913). The stop block (912) is located on the side of the flap (911) close to the inside of the spherical piston (95).

3. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: On both inner sides of the spherical piston (95), a long rod (916) is fixedly connected respectively. On both sides of the conical barrel (97), a connecting rod (914) is fixedly connected respectively. One end of the connecting rod (914) close to the long rod (916) is fixedly connected with a slider (915). On the opposite side edges of the two long rods (916), a chute (917) is respectively formed. The slider (915) is slidably arranged in the chute (917).

4. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: A clamping component (7) is arranged on the connecting piece (6). The door panel one (3) and the door panel two (4) are fixed on the outer side of the turnover box main body (1) through the clamping component (7). The clamping component (7) includes a through groove (77). The through groove (77) is formed in the middle position of the half sides adjacent to the outer side of the turnover box main body (1) on the mounting plate one (61) and the mounting plate two (62). At the position corresponding to the through groove (77) on the outer side wall of the turnover box main body (1), a clamping hook (74) is fixedly connected. The end of the clamping hook (74) is arranged in an inclined shape. Inside the positions on both sides of the through groove (77) of the mounting plate one (61) and the mounting plate two (62), an activity cavity (73) is arranged. The activity cavity (73) is communicated with the through groove (77). A clamping rod (75) is horizontally arranged through the middle of the through groove (77). The two ends of the clamping rod (75) extend into the inner parts of the two activity cavities (73). At the top parts of the two ends of the clamping rod (75), a pull rod (72) is fixedly connected respectively. The top of the pull rod (72) vertically penetrates and extends to the upper and lower sides outside the mounting plate one (61) and the mounting plate two (62). At the end part of the pull rod (72) located outside, a pull plate (71) is fixedly connected. A first spring (76) is sleeved on a section of the pull rod (72) located inside the activity cavity (73).

5. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: A connecting component (8) is arranged on the connecting piece (6) installed on the side of the connected position of the door panel one (3) and the door panel two (4). The connecting component (8) includes a mounting seat (81) fixedly connected to the mounting plate one (61). An installation cavity is formed in the middle inside one side of the mounting seat (81). A plug rod (84) is installed inside the installation cavity. The plug rod (84) is arranged in a "L" shape. A connecting block one (83) is fixedly connected to the edge position of the mounting plate one (61). A connecting block two (85) is fixedly connected to the edge position of the mounting plate two (62). Through holes are respectively formed in the middle of the connecting block one (83) and the connecting block two (85). The long rod (916) part of the plug rod (84) penetrates through the through hole in the middle of the connecting block one (83) and is inserted into the installation cavity of the mounting seat (81). The bent end of the plug rod (84) is inserted into the through hole in the middle of the connecting block two (85).

6. The bamboo-plastic composite material turnover box according to claim 5, characterized in that: A second spring (82) is installed inside the installation cavity of the mounting seat (81). The two ends of the second spring (82) are respectively rotationally connected to the inner wall of the installation cavity and the end of the plug rod (84).

7. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: The door panel (3) and the main body of the turnover box (1) are provided with grooves (10) on the inner side of the mounting plate (62). The bottom end of the support sleeve (92) passes through the mounting plate (62) and is inserted into the groove (10).

8. The bamboo-plastic composite material turnover box according to claim 1, characterized in that: The top end of the support sleeve (92) is in a horizontal position.

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