68results about How to "Quick fold" patented technology

This utility model discloses a foldable stroller frame for children, including a back support and a lower support. The back support and the lower support are rotatably connected by a rotating component. A handlebar connecting seat is fixedly provided on the connecting end of the lower support and the handlebar connecting seat. A rotatable handlebar component is connected to the handlebar connecting seat. A movable locking fastener for rotatably unlocking or locking the handlebar component and the handlebar connecting seat is slidably installed between the handlebar component and the handlebar connecting seat. The lower support is provided with an unlocking part. When the back support and the lower support are folded and rotated, the unlocking part drives the movable locking fastener to rotate and unlock the handlebar component and the handlebar connecting seat. This utility model achieves the effect of rapid folding of the overall structure by pushing the unlocking part upward when rotating to unlock the rotation lock of the handlebar.

The utility model relates to the technical field of takeoff and landing protection equipment, and discloses takeoff and landing protection equipment for an unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, and a display connection signal screen is fixedly mounted on the outer wall of the unmanned aerial vehicle body. The foldable light and thin mounting plate is rapidly folded and unfolded through the rotating hinge and the small hydraulic push rod, in the flight state, the mounting plate is folded and tightly attached to the fuselage, air resistance is effectively reduced, the flight efficiency is improved, before landing, the hydraulic push rod rapidly pushes the mounting plate to be unfolded to the horizontal position, and the supporting area is enlarged; the unmanned aerial vehicle is in direct contact with the ground in cooperation with an anti-skid balancing weight, the friction force between the unmanned aerial vehicle and the ground is increased, the unmanned aerial vehicle is effectively prevented from sliding or rollover after landing, meanwhile, an inflation pump is arranged in an inflation box to inflate a buffering air bag, a flexible protection layer surrounding the unmanned aerial vehicle is formed, falling impact is effectively relieved, and the unmanned aerial vehicle is protected from falling. And the effect of improving the protection safety is achieved.

This utility model discloses a foldable flatbed truck for transporting bottled water, relating to the field of flatbed truck technology. The utility model includes a first transport plate, with a second transport plate hinged to one side of the first transport plate. Positioning mechanisms are provided at the front and rear ends of both the first and second transport plates, and protective mechanisms are provided at the top of both plates. This utility model, through the hinged structure of the first and second transport plates, combined with the hooks and positioning posts in the positioning mechanism, achieves rapid folding and unfolding of the flatbed truck. When folding, simply disengaging the hooks and positioning posts allows the two transport plates to be folded in half, significantly reducing the size of the equipment, facilitating storage and carrying, and effectively solving the problem of large space occupation by traditional flatbed trucks. The positioning mechanism can firmly lock the first and second transport plates when the flatbed truck is unfolded, preventing relative displacement during transportation.

The present application relates to the technical field of transport box, and discloses a transport box for egg circulation, which comprises a box body, a bottom plate arranged under the box body and used for supporting egg trays, a locking member movably arranged on the bottom plate and having a locking state and an unlocking state, a pushing assembly in transmission connection with the locking member, and a driving assembly used for driving the pushing assembly to move and switch the locking member between the locking state and the unlocking state. When the locking member is in the locking state, the box body is fixed relative to the bottom plate. When the locking member is in the unlocking state, the box body can be separated from the bottom plate. The transport box for egg circulation can realize overall loading and unloading through the separable design of the bottom plate and the box body. When loading, all the trays can be stacked on the bottom plate, and then the box body is buckled. When unloading, the box body can be lifted to expose the trays integrally, so that the loading and unloading time is greatly shortened, and the transport box is suitable for cooperation with automatic handling equipment and can realize rapid and batch circulation.

The utility model discloses an outdoor dining table convenient to fold and store, and relates to the technical field of outdoor dining tables, the outdoor dining table convenient to fold and store comprises four bearing rods, a table plate is arranged above the four bearing rods, side plates are rotatably connected to the two sides of the table plate, a storage mechanism is arranged at the tops of the bearing rods, and the storage mechanism comprises a storage assembly and a stabilizing assembly. The storage assembly and the stabilizing assembly are used in cooperation, the storage assembly comprises rotating blocks, the rotating blocks are symmetrically and fixedly connected to the outer side of the bearing rod, rotating plates are rotationally connected to the interiors of the rotating blocks, and the two rotating plates on the same side are rotationally connected. According to the outdoor dining table convenient to fold and store, through the arrangement of the storage mechanism, the outdoor dining table can be rapidly folded and unfolded, storage and carrying are convenient, a large space is not occupied in the transportation process, the transportation and use cost is reduced, the use comfort is improved, the structure is simple, and practicability is high.

The utility model relates to a portable teaching dance pad which comprises a silica gel pad, an air bag, a fixing frame, an elastic folding plate and a traction rope. The air bags are arranged in the upper surface of the silica gel pad in a linear array; the fixing frames are fixedly connected to the front end and the rear end of the silica gel pad respectively and are symmetrical to each other. The elastic folding plate is arranged below the silica gel pad, and the two ends of the elastic folding plate are fixedly connected with the fixing frames on the two sides correspondingly. The traction rope is arranged between the lower portions of the fixing frames on the two sides, one end of the traction rope is fixedly connected with the fixing frame on one side, and the other end of the traction rope penetrates out of the fixing frame on the other side. According to the utility model, under the cooperative use of the elastic folding plate and the traction rope, not only can the dance pad be conveniently folded by a student, but also the dance pad can be quickly unfolded, and the portability of the dance pad can be effectively improved.

The utility model relates to the technical field of agricultural unmanned aerial vehicles, and discloses an agricultural plant protection unmanned aerial vehicle which comprises an unmanned aerial vehicle body, a pesticide box is fixedly connected to the bottom of the unmanned aerial vehicle body, a plurality of fixing rods are fixedly connected to the peripheral side of the unmanned aerial vehicle body, the end of each fixing rod is connected with a vehicle arm through a folding assembly, and each folding assembly comprises a sleeve fixedly connected with the corresponding fixing rod. The side wall of one side of the sleeve is provided with a through groove, the side wall, located on one side of the through groove, of the sleeve is rotationally connected with a rotating shaft, the rotating shaft is fixedly connected with a connecting block, the machine arm is fixedly connected to the side of the connecting block, the connecting block is provided with a pressing plate, the pressing plate is connected with a locking pin capable of transversely sliding, and the side wall of the sleeve is provided with a locking groove. The locking pin can be embedded into the locking groove to limit rotation of the machine arm, and the locking pin is sleeved with a first reset spring used for driving the locking pin to be embedded into the locking groove. According to the agricultural unmanned aerial vehicle, a folding type vehicle arm structure is adopted, rapid folding of the vehicle arms is achieved, the transportation and storage space requirements are remarkably reduced, and the convenience of the agricultural unmanned aerial vehicle is improved.

The utility model relates to a display stand technical field especially a kind of mechanism and display stand for display stand connection and folding, first inner tube is used to be connected with a bar piece;Second inner tube is used to be connected with adjacent another bar piece;Movable hinged joint is connected with first inner tube and second inner tube respectively at both ends;Spring shaft is connected with one end of movable hinged joint by passing through first inner tube;Elastic member is sleeved on spring shaft;In folding process, movable hinged joint is pulled, it is partially removed from first inner tube, and movable hinged joint is driven to compress elastic member along the axial displacement of first inner tube, to further fold the bar piece connected with second inner tube, flexibly adapt to different application scenarios needing directional folding or multidirectional rotation, high versatility, high space utilization, compact structure;Realize the quick folding and unfolding of display stand, without disassembly and unlocking, and the display stand after disassembly is convenient to store and carry, further improve the use convenience of display stand, and stable.

The utility model relates to the technical field of automobile seat manufacturing, in particular to an automobile seat surface cover hanging bar cloth sewing auxiliary device, a discharging shaping structure comprises a base plate, a shaping channel is arranged on the base plate, and the shaping channel comprises a folding part and a shaping part which are sequentially arranged from the feeding end to the discharging end. The base plate is provided with a connecting plate matched with the guide plate, and the base plate is further connected with a connecting structure used for being connected to a sewing machine, so that rapid folding can be achieved, the cloth directly enters a shaping part after being folded and then is conveyed to a sewing machine head, the structure is simple, and operation is convenient.

The utility model provides a telescopic folding part and a folding frame with the same, the telescopic folding part comprises a base and a limiting ring seat, the base is rotatably connected with four linkage rods, the linkage rods are rotatably connected with the base, the linkage rods are movably connected with supporting sheets, the supporting sheets are rotatably connected with the limiting ring seat, and the limiting ring seat is rotatably connected with the base. The lower end of the base is connected with a movable pipe, a resettable unlocking part is arranged in the movable pipe, the limiting ring seat is movably arranged on the outer wall of the movable pipe, the limiting ring seat is connected with the folding part, and the unlocking part is matched with the limiting ring seat. And folding is more convenient under the cooperation of an unlocking part of the base and the limiting ring seat, and the purpose of rapid folding is achieved.

The utility model belongs to the technical field of tobacco leaf transportation, and particularly discloses an unmanned aerial vehicle fresh tobacco leaf packaging and transporting device which comprises a plurality of sets of shear type supports connected through hinge shafts, arc-shaped frames are arranged on the upper portions of the shear type supports and jointly form a semicircular bearing cavity, and bearing plates are arranged between the adjacent shear type supports for connection. The two ends of the upper portion of the shear type support are fixedly connected with positioning blocks respectively, the positioning block on one side is connected with a fixing belt, the tail end of the fixing belt is hinged to a buckle, the positioning block on the other side is connected with an adjusting belt, and the positioning blocks on the two sides are further connected with hanging rings. Connecting rods are further arranged on the lower portions of the shear type supports to be connected with the supports on the same side, and nuts are connected to the connecting rods in a threaded mode. Intermediate links of traditional manual carrying are remarkably reduced, terrain limitation is broken through by means of an air transportation path, integrated efficient operation from field packaging to unmanned aerial vehicle transferring of fresh tobacco leaves is integrally achieved, the labor intensity of tobacco growers is reduced, and meanwhile the efficiency and reliability of transportation operation are improved.

The utility model discloses a liquid crystal display screen with a wide visual angle and a high color gamut, which comprises a machine body and a display panel embedded on the front side wall surface of the machine body, folding support legs are rotationally arranged on two sides of the rear part of the machine body through rotating shafts, and a locking assembly for limiting two sides of each folding support leg is arranged on the rear part of the machine body. The front portion and the rear portion of each folding supporting leg are each provided with a containing groove, and the inner walls of the two containing grooves are each provided with an extending supporting leg in a rotating mode through a pin shaft. According to the wide-view-angle and high-color-gamut liquid crystal display screen, synchronous limiting of the two sides of the folding supporting legs is achieved through cooperation of the slope sliding blocks and the side baffles, meanwhile, rapid rotation and folding of the folding supporting legs are facilitated through the arrangement of reset torsional springs, rapid folding of the extending supporting legs is facilitated through the arrangement of containing grooves, pin shafts, magnetic plates and iron sheets, and the rotation preventing assemblies are arranged, so that the display effect is good. And the extended supporting legs can be conveniently limited after being unfolded, and the stability during use is guaranteed.

The utility model belongs to deck chair technical field, especially relates to a support foot linkage of folding deck chair and support mechanism, including bed body and be used for supporting the support frame of bed body, the bed body includes the seat frame and backrest that can be relatively folded, and the support frame is arranged on the seat frame, and the support foot is rotationally arranged on the backrest, and the transmission connecting rod is between the support foot and the seat frame, and the transmission connecting rod is rotationally connected with the support foot and the seat frame respectively, the backrest is controlled and is unfolded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to unfold oppositely, thereby making the support foot can support the backrest, the backrest is controlled and is folded with the seat frame, and the transmission connecting rod can drive the support foot and the backrest to fold oppositely and draw together, the transmission connecting rod is telescopic link, or, a plurality of installation sites are set up on the transmission connecting rod and are connected with the support foot and the seat frame, the utility model's purpose lies in providing a support foot linkage of folding deck chair and support mechanism that is stable in structure and is convenient to store and transport.

The utility model discloses an adjustable building template support device, include: support block, the both sides wall of support block is provided with the rotary seat symmetry, is provided with the mounting hole in the top vertical through of support block, the side support pole is rotated installation through rotary seat, and the fixed part is installed between the both sides side support pole, and two side support poles are locked through the fixed part, the upper end of sleeve is provided with the baffle ring, and the sleeve is inserted and fixed through mounting hole, and the baffle ring is limited in the top of support block, and the inner wall of sleeve is provided with internal thread, support rod is connected with sleeve thread, and the upper end of support rod is provided with support disc, the utility model discloses through the side support pole of adjustable angle of both sides and the support rod of central, constitutes a firm triangle support structure between ground and template, and the mechanical property is excellent. Ground plate increases the grounding area, and the anti -skidding tooth prevents slipping effectively, and the independent stability of device is greatly improved.

The application discloses a linkage folding child stroller, which comprises a push rod assembly, a front support, a lower support, a rear support, a seat rod and a connecting rod. The upper part of the front support is rotationally connected with the lower part of the push rod assembly. The front part of the lower support is rotationally connected with the front support. The upper part of the rear support is rotationally connected with the lower part of the push rod assembly, and the lower part of the rear support is rotationally connected with the rear part of the lower support. The rear part of the seat rod is rotationally connected with the lower part of the push rod assembly. The upper part of the connecting rod is rotationally connected with the seat rod, and the lower part of the connecting rod is rotationally connected with the front support. The application has novel and simple structure, and can realize quick folding of the whole vehicle.

The utility model relates to the technical field of environmental sanitation equipment, in particular to a folding garbage truck can overturning mechanism which comprises a garbage truck body, two sets of overturning plate bodies are symmetrically hinged to one end of the garbage truck body, a telescopic groove is formed in the middle of each overturning plate body, and two sets of hydraulic telescopic rods are symmetrically and fixedly connected into each telescopic groove. One end of the hydraulic telescopic rod is fixedly connected with an inner overturning plate, two rotating cylinders are symmetrically arranged at one end of the inner overturning plate, rotating shafts are rotatably inserted into the rotating cylinders, one ends of the rotating shafts are fixedly connected with a movable bottom plate, and two folding locking assemblies are symmetrically arranged at the two ends of the movable bottom plate; according to the garbage can overturning mechanism of the folding garbage truck, the folding locking assembly is arranged on the movable bottom plate to be matched with the locking groove in the inner overturning plate, so that the movable bottom plate is rapidly folded, and space occupation is avoided; the straight plug is clamped in the inner transverse groove by pressing and rotating the rotating handle, and extrusion and fixation are completed under the action of the first spring and the second spring.

According to the technical scheme, the efficient cleaning pool is characterized by comprising a supporting frame and a cleaning pool body connected to the supporting frame, a connecting piece used for connecting the supporting frame to the air conditioner is arranged on the supporting frame, the supporting frame comprises a plurality of keel plates, the keel plates are sequentially connected in a hinged mode, and the cleaning pool body comprises a plurality of side walls. The top of the cleaning pool is provided with an opening, the bottom is provided with a water outlet and / or a drainage pipe, and the keels are connected to the side walls of the cleaning pool and used for maintaining the shape of the cleaning pool; the cleaning pool does not need to be assembled, is fast to install on a machine and has a large stable space, the detached air conditioner shell filter screen can be directly placed in the cleaning pool to be directly cleaned, and the efficiency of air conditioner cleaning work is greatly improved.

The present application relates to a kind of foldable garden maintenance pruning device.It solves the problem of single function and low efficiency of pruning tool in prior art.It includes folding connecting rod, folding connecting rod one end is provided with pruning main body, folding connecting rod is slidably provided with sliding drive mechanism for driving pruning main body to open and close, extension saw body is arranged in pruning main body, and extension saw body one end is provided with linkage assembly connected with sliding drive mechanism and linked with sliding drive mechanism, folding connecting rod middle part is provided with folding positioning mechanism.The advantages of the present application are: collection cutting and draw saw are integrated, function is rich, and effectively improve the cutting efficiency, it is convenient to fold and carry, and use flexibility is good.

The utility model relates to the technical field of reinforcing steel bar processing supports, and discloses a reinforcing steel bar processing support convenient to transport and stack, which comprises a support frame, universal wheels are arranged at the bottom of the support frame, a support shaft is fixedly connected in the support frame, and the outer wall of the support shaft is rotatably connected with a connecting frame. The connecting frame is rotatably connected to the interior of the supporting frame, a supporting assembly is arranged on the side wall of the connecting frame, a limiting assembly is arranged in the connecting frame, the supporting assembly comprises a bracket, the side wall of the bracket is fixedly connected to the side wall of the connecting frame, a groove is formed in the supporting frame, and a positioning pin is arranged in the supporting frame. According to the utility model, the positioning pin is pulled out, the connecting frame rotates around the supporting shaft to be folded to be close to the supporting frame, then the positioning pin is inserted to be fixed, the bolt is screwed into the connecting frame to be fixed in the stretching state when the bracket is unfolded, and the structures work cooperatively, so that the effect that the bracket can be folded and unfolded quickly is realized.

The utility model discloses a foldable building monitoring installation support device which comprises an installation plate, fixing plates are installed at the two ends of the side face of the installation plate, a first motor is installed at the top of the fixing plate on one side, and an output shaft of the first motor is inserted between the two fixing plates and connected with a movable block. Compared with the prior art, by arranging the fixed plates on the two sides of the mounting plate, driving the movable blocks through the first motor and then matching with the supporting mechanism, rapid folding and unfolding of the support body are achieved, the transportation size is effectively reduced, and the logistics cost is reduced; through the matching design of bevel gear meshing transmission and a threaded sleeve column in the supporting mechanism, the threaded column can precisely drive a movable plate to be adjusted in a telescopic mode, the effect of unfolding the device body is achieved, and the adaptability to the complex installation environment is enhanced; and the adjusting mechanism adopts a structure that a double-shaft motor drives a C-shaped movable frame to rotate, so that the independent control of the pitching angle of the monitoring probe is realized, and the monitoring coverage range is greatly expanded.

The utility model provides a kind of edible mushroom planting rack, comprising: multiple placing racks, multiple support frames, folding mechanism, splicing mechanism and multiple adjustable moving mechanisms, wherein, multiple placing racks are symmetrically arranged, and several horizontal poles are arranged in the placing rack;Multiple support frames are respectively pivotally connected with the two sides of the placing rack;The folding mechanism is arranged between the placing rack and the support frame;The splicing mechanism is arranged on the upper side and the lower side of the support frame;Multiple adjustable moving mechanisms are respectively arranged on the lower two ends of the side of the support frame away from each other.The edible mushroom planting rack of the utility model embodiment can quickly fold the placing rack through the folding mechanism, greatly reducing its volume, and the adjustable moving mechanism facilitates the movement and transportation of the equipment, so that the rack can be easily stored when idle, without manual assembly and disassembly, saving space in the greenhouse.

The utility model provides an automatic high -efficient environmental protection weeding device, including beam frame, three point suspension frame is installed on the beam frame, and the left and right sides of the front side of beam frame are symmetrically installed with land wheel frame, and land wheel is installed on land wheel frame, and a plurality of groups of weeding assembly are arranged on the rear side of beam frame, and all weeding assembly is arranged side by side interval, the utility model discloses above -mentioned, adopt modularization weeding assembly cooperation parallel four bar linkage profiling mechanism, ensure that the weeding rate of 95% or above is realized under 3cm standard depth, the combination of articulated beam frame and hydraulic steering system solves the tracking problem of non - straight crop line, controls seedling damage rate, the innovative three -section folding rear beam body design makes the transportation width reduce, and the work state conversion can be completed in a short time, the utility model discloses weeding device is suitable for large -scale farm continuous operation, and can satisfy the fine demand of small plot, and the whole course mechanical weeding prevents the use of pesticide, and the comprehensive operation and maintenance cost is reduced by 25% or more than traditional scheme, is the ideal equipment of modern green agriculture.

The utility model relates to the field of photovoltaic power generation, and discloses a photovoltaic power generation device for building engineering construction, which comprises a photovoltaic panel used as the photovoltaic power generation device, a sealing strip plate is arranged outside the photovoltaic panel, pulleys are arranged on the left side and the right side of the sealing strip plate, one side of each pulley is slidably connected with a sliding groove frame, and the other side of each pulley is provided with a sliding groove. The lower end of the sliding groove frame is fixedly connected with a first cross beam, the lower end of the first cross beam is fixedly connected with a guide groove, the lower end of the guide groove is rotationally connected with table legs, the outer walls of the table legs are rotationally connected with large supporting arms, the interiors of the large supporting arms are slidably connected with small supporting arms, and the inner sides of the table legs are fixedly connected with first transverse supporting beams. A diagonal draw bar is rotationally connected to the upper portion of the middle of the first transverse supporting beam, and a cylindrical shaft is fixedly connected to the top end of the diagonal draw bar. According to the utility model, the photovoltaic power generation device adopts a foldable structural design and can be quickly folded in a non-use state, so that the size is greatly reduced, the occupied storage space is effectively reduced, and the photovoltaic power generation device is convenient to store and carry.

The invention discloses a green building squat silo conical shell detachable modular supporting device, and relates to the technical field of building construction.The green building squat silo conical shell detachable modular supporting device comprises a base, a pushing mechanism, an assembling mechanism and an unfolding mechanism are arranged on the base, and the pushing mechanism is used for pushing a support module to the bottom of the unfolding mechanism; the assembling mechanism is used for sequentially installing the multiple support modules at the bottom of the unfolding mechanism so that the unfolding mechanism can be lifted. Automatic pushing and positioning of the supporting module and automatic unfolding of the assembling and unfolding mechanism are achieved, the whole installation process is mechanically carried out, manual intervention and physical labor are greatly reduced, and the construction speed is high; the modular design is adopted, the supporting structure is composed of standardized support modules, batch production, transportation and on-site rapid assembly are facilitated, the conical shell can be conveniently disassembled, folded and transferred to the next project to be repeatedly used after construction is completed, and the environmental protection requirement of green buildings is met.

This utility model relates to the field of sports equipment technology, specifically a treadmill with an electric fully folding mechanism. It includes a welded base, a welded instrument frame, a welded movable frame, a welded main frame, a support column, a telescopic motor, rollers, a long connecting rod, a short connecting rod, an electronic watch, a running belt, and a drive motor. The telescopic rod of the telescopic motor is rotatably connected to one end of the welded movable frame. The other end of the welded movable frame is rotatably connected to the lower end of the second short connecting rod. The middle part of the second short connecting rod is rotatably connected to the lower end of the long connecting rod. The upper end of the long connecting rod is rotatably connected to the hanging lug at the bottom of the welded instrument frame. Compared with existing technologies, this utility model adds a long connecting rod and a first short connecting rod to the support column to connect the welded base, the welded instrument frame, and the support column, increasing structural stability and preventing the welded instrument frame from wobbling during use. Driven by the telescopic motor, the treadmill can be quickly folded, making operation simple and effortless, and solving the treadmill storage problem.

The application relates to the technical field of embroidery equipment, in particular to a portable embroidery table screen which comprises a supporting assembly, an adjusting assembly and a fixing assembly. The supporting assembly is quickly folded through a folding piece and an elastic element, the volume is reduced, and the portable embroidery table screen is convenient to carry; the adjusting assembly is matched with a rotating shaft and a sliding block, the angle and the height can be adjusted without tools; and the fixing assembly ensures stability through a clamping plate and a locking piece. The application solves the problems of large volume, inconvenience and complex adjustment of the existing embroidery table screen through an innovative structure design, significantly improves the use convenience and scene adaptability, and provides an efficient solution for the embroidery process.

The application discloses a foldable and unfoldable hinge type hardening acrylic plate protective isolation cover assembly, and belongs to the technical field of isolation covers. The assembly comprises a mounting bottom frame and a plurality of hinge groups. Acrylic side plates are hingedly connected to the two sides of the mounting bottom frame through the hinge groups. An acrylic back plate is connected to the rear end face of the mounting bottom frame through the hinge groups. An acrylic front plate is hingedly connected to the front end face of the mounting bottom frame through the hinge groups. An acrylic top cover is rotatably connected to the top end of the acrylic front plate. An adjusting groove is formed in the lower surface of the acrylic top cover. A positioning seat for positioning the acrylic plate is slidably connected to the inner cavity of the adjusting groove. An adjusting mechanism for adjusting the position of the positioning seat is arranged on the upper surface of the acrylic top cover. The plurality of hinge groups are arranged in the inner cavity of the isolation cover body. The above scheme provides convenience for the storage of the protective isolation cover, reduces the space volume occupied by the protective isolation cover during storage, reduces the occupation of the storage space, and improves the convenience of the storage of the isolation cover.

The utility model discloses a collapsible container for logistics transportation belongs to logistics transportation equipment field, including bottom plate, two side plates, two end plates and top plate, and one end plate is provided with container door, the side plate is hinged with the long side hinge joint of bottom plate through first hinged member, the end plate is hinged with the short side hinge joint of bottom plate through second hinged member, the top plate is hinged with the top of one of side plates through third hinged member, the utility model discloses the hinge of setting up side plate, end plate and bottom plate and the hinge of top plate and one of side plates, cooperate simple corner connecting mechanism, and it is convenient for quick realization side plate and end plate's unfolding vertical positioning, and the locking bolt of matched arrangement's spacing reinforcing plate, formed stable three -dimensional frame structure, ensured the structural strength and stability in the transportation process, can complete container's unfolding and folding fast, greatly promoted the operation efficiency, improved empty container turnover efficiency.