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521 results about "Folded structure" patented technology

A thin-walled building structure of the shell type. Folded plate structures consist of flat components, or plates, that are interconnected at some dihedral angle. Structures composed of rectangular plates are said to be prismatic.

Double-top umbrella type multi-angle adjustable transient electromagnetic transmitting coil array detection device

The invention relates to the technical field of geophysical exploration equipment, and particularly discloses a double-top umbrella type multi-angle adjustable transient electromagnetic transmitting coil array detection device which comprises a main supporting system, a framework supporting system, a coil system, a multi-angle adjusting mechanism and a rapid storage system. The device has the beneficial effects that accurate adjustment in a continuous angle range is realized, and the adaptability of the device to different exploration environments is improved; a double-coil system design is adopted, so that two typical working modes are realized; in structural design, a double-top umbrella type folding structure is combined with a light-weight material, so that the weight of equipment is reduced. According to the device, conversion of multiple detection modes is achieved, traditional multiple fixed angle devices are replaced, the equipment investment cost is reduced, and the equipment operation efficiency is improved.
Owner:JILIN UNIVERSITY

Shell and electronic equipment

The embodiment of the utility model provides a shell and electronic equipment, and belongs to the technical field of electronic equipment, the shell comprises a side frame and a rear cover, the side frame and the rear cover define a containing cavity, the inner surface of the frame body wall of the side frame is provided with an edge folding structure protruding towards the interior of the containing cavity, and the edge folding structure is arranged in the circumferential direction of the frame body wall. When the shell is formed, the part of the base material used for forming the folded edge structure can play a role in reinforcing and positioning the part of the base material used for forming the frame body wall, namely, the part of the base material plays a role of a mold skirt edge structure in the related technology. When the shell is formed, a skirt edge structure can be formed on the inner side of the frame body wall base material, the skirt edge structure plays a role in reinforcing and positioning the frame body wall base material in the injection molding process, and the folded edge structure is reserved on the inner side of the finally formed frame body wall. According to the shell forming method, the skirt structure in the shell forming process is not completely removed or not removed, less waste is removed, skirt waste is reduced, the utilization rate of shell forming base materials is increased, CNC working hours and time are shortened, and the manufacturing cost of the shell is reduced.
Owner:HUAWEI TECH CO LTD

Multi-cell energy absorption thin-walled tube based on paper folding structure

The invention discloses a multi-cell energy-absorbing thin-walled tube based on a paper folding structure, which belongs to the technical field of structural mechanics and comprises a thin-walled inner tube, a thin-walled outer tube and a plurality of rib plates. Each layer of unit cell structure is defined by n unit wall plates in an end-to-end connection mode, each unit wall plate comprises an upper trapezoidal unit plate and a lower trapezoidal unit plate which are connected along a first crease, and the left side and the right side of each upper trapezoidal unit plate are connected with upper triangular unit plates along second creases correspondingly. The left side and the right side of the lower trapezoidal unit plate are respectively connected with the lower triangular unit plate along a third crease, and the upper triangular unit plate and the lower triangular unit plate are connected through a fourth crease. According to the multi-cell energy absorption thin-walled tube based on the paper folding structure, the thin-walled inner tube and the thin-walled outer tube which are of the paper folding structure are compounded through the rib plates, higher average crushing force is obtained through the compound design, and therefore the load stability of the structure is improved; the deformation process of the multi-cell energy-absorbing thin-walled tube is stable and controllable through specific crease lines and geometric shape design.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Sound liner device with adjustable noise reduction frequency band based on folding structure

The invention discloses a noise reduction frequency band adjustable acoustic liner device based on a folding structure, which comprises a perforated panel, a honeycomb sandwich and a back plate, the honeycomb sandwich is composed of a plurality of honeycomb single cavities arranged in an array, the lower end of the honeycomb sandwich is fixed on the back plate, the perforated panel covers the upper end of the honeycomb sandwich, the perforated panel is provided with a plurality of panel through holes, and the panel through holes are communicated with the honeycomb sandwich. The panel penetrating holes are communicated with the honeycomb single cavities, folding structures are placed at the bottoms of the honeycomb single cavities, the folding structures can adjust the size and height of the folding structures through folding or stretching, then the cavity size of the honeycomb single cavities is changed, and the resonant frequency of the honeycomb single cavities is adjusted. Resonant frequency deviation of the resonant cavity is achieved through the folding structure, and the effect that the sound absorption frequency of the acoustic liner is adjustable is achieved. Meanwhile, a telescopic motor is combined with an adjusting plate and a pull rod, synchronous adjustment of all folding structures is achieved, the number of adopted assemblies is small, the structure is simple, and the good engineering application value is achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Folding display rack

The present application belongs to the field of exhibition display, and particularly relates to a foldable exhibition stand, which comprises corner connecting pieces and middle connecting pieces. The corner connecting pieces comprise upper corner connecting pieces and lower corner connecting pieces, and the long side frame is connected with the upper and lower short side frames through the upper and lower corner connecting pieces at both ends. The middle connecting pieces are located at the middle position of the long side frame and divide the long side frame into two parts. The long side frame can be folded from the middle to the inner side direction of the exhibition frame through the middle connecting pieces. The two long side frames can be folded and stored on the lower short side frame through the corner connecting pieces after being folded from the middle. The present application can directly form one or more folding structures for the overall structure of the exhibition stand, greatly reducing the volume of the product and facilitating transportation. The length of the two long side frames is not limited by the length of the lower frame through the folding function. The present application does not need to be built on site, and can be folded and unfolded as a whole, greatly improving the installation efficiency and being convenient and fast.
Owner:CHANGZHOU LINTEL DISPLAY

Buffering and energy-absorbing ducted fan shell structure

The invention discloses a buffering and energy-absorbing ducted fan shell structure which comprises a paper folding structure, an elastic hinge, a sliding rail, a supporting plate, a ducted outer wall, a ducted inner wall, an inner energy-absorbing layer and an outer energy-absorbing layer. The duct outer wall firstly deforms and absorbs energy; then the internal energy absorption unit, the inner energy absorption layer and the outer energy absorption layer further absorb energy and disperse loads; the inner wall of the duct provides support; wherein the paper folding structure provides rigid support and load dispersion, and the elastic hinge coordinates deformation of the paper folding structure, so that the elastic hinge can drive the paper folding structure to deform, a load transmission path is optimized, and the problem that load transmission is discontinuous when the paper folding structure impacts is solved; the inner energy absorption layer and the outer energy absorption layer are filled with TPU foam materials and PMI foam materials respectively, so that the energy absorption effect is enhanced, and the structural stability can be maintained to a certain extent.
Owner:NANCHANG HANGKONG UNIVERSITY

Oil filter with high sealing performance

The oil filter with the high sealing performance comprises a shell, a net cylinder is arranged in the shell, a filter paper cylinder is connected to the outer wall of the net cylinder in a sleeved mode, a folding structure is formed on the surface of the filter paper cylinder in a surrounding mode, an end cover is arranged at an opening of the shell, and an outlet structure is formed in the middle of the end cover. At least part of the outlet structure extends into the net cylinder, a plurality of inlet holes are formed in the surface of the end cover in a surrounding mode, and non-return assemblies are arranged at the inlet holes; the non-return assembly comprises a first shell communicated with the inlet hole, a first spring is arranged in the first shell, a sealing plate is arranged at the end of the first spring, and a plurality of holes are formed in the outer wall of the first shell; the problems that in the prior art, a filter check valve plate is often an elastic rubber sheet, rubber is prone to aging after being used for a long time, the deformability of the filter check valve plate is reduced, and backflow cannot be effectively avoided are solved.
Owner:GOBBLE GRP CO LTD

Built-in lifting and folding structure of automobile small table board

The invention provides a built-in lifting folding structure of an automobile small table board, which is characterized in that two groups of support plates are respectively arranged on two sides of the interior of a rear box body, and a lifting driving mechanism and a small table board assembly are respectively arranged on two sides of the support plates through an inner guide rail and an outer guide rail which vertically extend; the lifting driving mechanism and the small table board assembly are in transmission through a plurality of transmission wheels which are connected with one another, the lifting driving mechanism controls the small table board assembly to stretch out of the opening of the rear box body, and then the center shaft plate is turned over to achieve unfolding of the small table board. The lifting folding structure can be applied to various vehicle types in the prior art, the occupied space is small, the small table plate can be adjusted between the unfolded state and the folded state, and a passenger can adjust the small table plate to the target position according to needs. According to the embodiment, the elastic supporting structure is arranged, the small table board assembly can be supported, and the supporting strength of the small table board assembly in the unfolded state is improved.
Owner:昆山海圳汽车技术发展有限公司

Bistable origami python-like wave energy power generation device

The utility model discloses a bistable origami python-like wave energy power generation device which comprises an anchoring part, and the anchoring part comprises a buoy. The device head is connected with the anchoring part through an anchoring line; one end of the energy storage part is connected with the device head; one end of the body part is connected with the other end of the energy storage part; wherein the body part is formed by connecting a plurality of sections of Kresling paper folding structures in series, and friction nanometer power generation devices are arranged on the paper folding structures. The friction nanometer power generation device has the advantages that the effective contact area of two different friction layers of the friction nanometer power generation device can be increased, the problem of converting unstable wave energy into stably output electric energy is effectively solved, and the power generation efficiency is improved.
Owner:HUNAN UNIV +1

Curtain wall aluminum veneer with telescopic folding structure

The utility model relates to the technical field of aluminum veneers, in particular to a curtain wall aluminum veneer with a telescopic folding structure, which comprises a connecting frame, a plurality of aluminum veneers are movably connected in the connecting frame, the improved curtain wall aluminum veneer extrudes a butt joint plate through adjacent plate bodies, and the butt joint plate extrudes a buffer spring for displacement. The situation that the whole curtain wall deforms due to stress between the plate bodies is avoided, a locking pin is inserted into a butt joint hole, a clamping block is extruded into a spring groove, the clamping block can extrude a reset spring, after a trapezoidal block at the end of the locking pin passes through the clamping block, the clamping block is reset under the action of the reset spring, splicing of the two plate bodies is achieved, and the splicing efficiency is improved. The plate bodies are integrated into a whole in cooperation with the connecting frame, if one plate body is disconnected with the adjacent plate body, the connecting frame can prevent the whole curtain wall from collapsing, and the whole structure of the curtain wall is more stable.
Owner:SHANDONG JIUHONG NEW MATERIAL GRP CO LTD

Bending structure compatible with products of different sizes and used for folder gluer

The utility model belongs to the technical field, and particularly relates to a folding structure compatible with products of different sizes and used for a box pasting machine, which comprises a rack, a plurality of groups of upper belt compression roller pieces and a plurality of groups of lower belt transmission components, and the plurality of groups of upper belt compression roller pieces and the plurality of groups of lower belt transmission components are arranged on the rack, and the lower belt conveying assembly corresponding to the lower belt conveying assembly can integrally lift up and down. The device can be compatible with production of products with different sizes, and is wide in application range. The whole process is simple and easy to implement, the required time is short, and the efficiency is high.
Owner:DONGGUAN XINCHENSHUN MASCH CO

Wrinkle structure model manufacturing device

The utility model discloses a fold structure model manufacturing device, and relates to the technical field of geotechnical engineering model manufacturing. The manufacturing device comprises the following steps: manufacturing a groove body; at least one thin plate, wherein each thin plate is detachably connected with the manufacturing groove body; a pouring cavity is formed between the adjacent thin plate and the manufacturing groove body; the pouring cavity is used for pouring to form a prefabricated fold layer; the anti-deformation assembly is arranged on the manufacturing groove body and is at least used for limiting deformation of the thin plate on the outermost layer in the thin plates in the first direction during pouring; the first direction is parallel to the thickness direction of the corresponding thin plate. Through the arrangement of the thin plate and the manufacturing groove body, the pouring cavity used for pouring the prefabricated fold layer can be formed. The device can be used for manufacturing fold structure models in various shapes, and has the characteristics of simple structure, convenience in operation, low cost, wide application range and the like. And the fold structure model is manufactured in a pouring mode, and the manufacturing difficulty can also be reduced.
Owner:POWERCHINA HUADONG ENG CORP LTD +1

Folding shed storage rack

ActiveCN222177734UTo achieve the purpose of stackingSolve the problem of large space occupied by storageWork tools storageStructural engineeringRail transit
The utility model discloses a vestibule shed storage rack, belongs to the technical field of storage tools for through passage parts of rail transit vehicles, and aims to solve the technical problem that storage of an inner windshield vestibule shed occupies a large area. The lower part of the supporting plate is fixedly connected with supporting legs, and the upper part of the supporting plate is fixedly connected with supporting columns corresponding to the positions of the supporting legs; the supporting column comprises a column body; the column body is connected with a column split body through a folding structure, and connecting parts are formed at the top ends of the column body and the column split body; longitudinal beams arranged on the two sides of the supporting plates are fixedly connected with the supporting legs, and grooves are formed in the lower portions of the supporting legs and used for being connected with the connecting portions of the supporting columns on the adjacent supporting plates in an inserted mode so that the two adjacent folding shed storage racks can be stacked in the vertical direction. When the folding shed hoisting device is used, the folding shed can be hoisted or placed without cooperation of multiple persons, the operation safety is improved, and the labor intensity is reduced.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD

Reinforced full-paper buffer assembly

The utility model discloses a reinforced full-paper buffer assembly which comprises at least one buffer single body, the buffer single body is formed by folding and bonding a corrugated board along an indentation line through an integrally-formed structure, the buffer single body comprises an outer shell, a buffer supporting body and a connecting part, and the outer shell is connected with one end of the buffer supporting body through the connecting part. The end, where the connecting part is located, of the outer shell is not closed, and the end, away from the connecting part, of the outer shell is closed. According to the utility model, the buffer monomers are formed by folding on the basis of the Mipu folding structure, and various required buffer components are formed by effectively combining the plurality of buffer monomers, so that the buffer components formed by the same material have the advantages of higher bearing capacity, better buffer performance, better environmental protection and light weight compared with the full-paper buffer component with the traditional structure; the whole weight and size of the packaging box can be obviously reduced, energy consumption in the transportation process is reduced, the production cost of an enterprise can be reduced by adopting the full-paper buffering assembly, and competitiveness is improved.
Owner:INT PAPER GUANGZHOU PANYU PACKING CO LTD

Scaffold for bridge maintenance

The utility model relates to the field of bridge maintenance, in particular to a scaffold for bridge maintenance, which comprises an auxiliary rod, a folding structure is arranged on one side of the auxiliary rod, a main rod is connected to one side of the folding structure, a reinforcing part is mounted above the auxiliary rod, a bearing plate is mounted above the reinforcing part, and a supporting plate is mounted above the bearing plate. The second bolt is rotationally separated from the threaded hole, so that the connecting rod can be rotationally folded, then the reinforcing rod and the bearing plate are detached, the auxiliary rod and the main rod are separated, the auxiliary rod and the main rod can be in threaded butt joint through the folding structure and the fixing base, and the auxiliary supporting effect on the auxiliary rod and the main rod is achieved through the structure; an auxiliary supporting structure does not need to be additionally arranged, the connecting structure between the auxiliary rod and the main rod is stored through the folding effect, later storage and transportation and disassembled part recycling are facilitated, the structure is easy to assemble and fixed, and all assemblies can be lengthened according to the actual situation.
Owner:JIANGMEN TRAFFIC ENG CONSTR GENERAL CO

Scaffold for house building construction

The utility model provides a scaffold for house building construction, and relates to the technical field of house building construction, the scaffold comprises a supporting plate main frame and an expansion mechanism, the expansion mechanism is installed on the inner side of the supporting plate main frame, the working area is expanded through the expansion mechanism, enough working space is provided for constructors, the construction progress is prevented from being influenced by limited space, and the construction efficiency is improved. The whole supporting plate is of a folding structure, transportation space is saved, when the supporting plate is used, the lower supporting frame is pulled outwards, the lower hollowed-out plate can be separated and convenient to replace, the lower supporting frame is fixed to the supporting plate main frame by rotating a first screw to penetrate through the supporting plate main frame, the working space is expanded, friction between the first screw and the supporting plate main frame is increased through an anti-skid rubber ring, slipping is prevented, and the transverse protection frame is turned over to be erected. Protection on one side is provided through the transverse hollowed-out plate, the side protection frames are turned over to be unfolded towards the two sides, protection on the two sides is provided through the side hollowed-out plate, the sliding insertion rods are inserted into the hole grooves of the supporting plate main frame, fixing of the side protection frames is completed, and therefore a stable peripheral protection structure is formed.
Owner:CCCC FOURTH HIGHWAY ENG CO LTD

Integrated quick-mounting and dismounting drilling and repairing machine base and using method thereof

The invention discloses an integrated drilling and workover rig base capable of being rapidly disassembled and assembled and a using method thereof.The base can serve as an integral structure to be loaded on a flat plate transport vehicle for road transportation in the transportation state and comprises a bottom assembly; a top assembly; the front stand column, the rear stand column, the bottom assembly and the top assembly jointly form a parallelogram folding mechanism; the base lifting cylinder is connected between the bottom assembly and the top assembly; in the transportation state, the parallelogram folding mechanism is in the folded state, so that the top assembly is close to the bottom assembly in the height direction, and the overall appearance size of the base meets the height limiting and width limiting requirements of highway transportation. Through the parallelogram folding structure and the integral transportation design, the integral transportation of the base and the accessories in one train is realized. The two-stage hoisting mechanism is used for guaranteeing safe and stable hoisting, the transportation height is remarkably reduced, the road transportation standard is met, and finally the effects of improving the moving efficiency and reducing the operation cost and the safety risk are achieved.
Owner:中石化四机石油机械有限公司 +1

Intelligent edge film folding structure for sofa packaging

The invention provides an intelligent edge film folding structure for sofa packaging, and belongs to the technical field of packaging equipment.The intelligent edge film folding structure comprises a conveying assembly used for conveying a sofa, the conveying assembly is provided with a conveying channel, the intelligent edge film folding structure further comprises a folding assembly, the folding assembly comprises folding grooves, and the two sides of the conveying channel are each symmetrically provided with one folding groove; the folding groove comprises a bottom plate, a folding plate is integrally formed on one side of the bottom plate, the bottom plate is in a right triangle shape, one right-angle side of the bottom plate is perpendicular to the conveying direction and located on the upstream side of the conveying direction, and the folding plate is in a conical cambered surface shape. The inner diameter of the folding plate is gradually reduced towards the downstream side of the conveying direction and is transited into a flat plate shape, and the folding assemblies in specific shapes are arranged on the two sides of the conveying channel, so that various problems caused by film edge extension in sofa sponge packaging are effectively solved.
Owner:NAIJU (HUZHOU) INTELLIGENT MACHINERY EQUIPMENT CO LTD

Adjustable folding structure unit and tunable acoustic coding metasurface

The invention discloses an adjustable folding structure unit and a tunable acoustic coding metasurface in the technical field of acoustic metamaterials, and the adjustable folding structure unit adopts a labyrinth structure and comprises a sound wave inlet, a sound wave outlet and a labyrinth channel formed by at least eight transverse plates. Sound waves enter the labyrinth channel from the sound wave inlet and then propagate to the sound wave outlet along a preset path; the tunable acoustic coding metasurface comprises a plurality of adjustable folding structure units arranged according to a coding sequence, the acoustic wave phase difference reaches pi by adjusting the length of at least one movable transverse plate in the labyrinth channel, and coding units can be generated. The sound beam splitting is directionally controlled by adjusting the sorting mode of the coding sequence; the sound focusing is directionally controlled by adjusting the sorting mode of the coding sequence and the number of the adjustable folding structure units. According to the invention, flexible and efficient directional control of sound beam splitting and sound focusing is realized, and the problems of insufficient reconfigurability, narrow frequency band, too high system complexity and high cost of an acoustic coding metasurface are solved.
Owner:NANJING FORESTRY UNIV

Portable advertising board

The utility model discloses a portable advertising board, which relates to the technical field of advertising boards and comprises an upper fixing frame, two sides of the top wall of the upper fixing frame are symmetrically provided with positioning holes, two inner side walls of the upper fixing frame are symmetrically and rotatably connected with torsion spring rotating shafts, and the torsion spring rotating shafts are fixedly sleeved with advertising reels; receding grooves are symmetrically formed in the two side walls of the interior of the tensioning supporting frame, spring telescopic rods are fixedly installed on the inner bottom walls of the receding grooves, and inserting plates correspondingly matched with the positioning holes in an inserted mode are fixedly installed on the bottom walls of the two ends of the tensioning supporting frame. The two ends of the tensioning rotating shaft are fixedly installed at the telescopic ends of the two spring telescopic rods correspondingly, and the outer wall face of the tensioning rotating shaft is rotationally connected with a reel induction roller; the folding advertising board is rapidly unfolded through the hinge folding structure, the spring telescopic rod automatically tensions the advertising cloth, the water tank balance weight enhances stability, the problems that a traditional advertising board is tedious in unfolding, wrinkled in picture and prone to toppling over are solved, and the folding advertising board is suitable for outdoor temporary advertising scenes.
Owner:LIAONING UNIVERSITY

A folding active tile hole positioning tool

This utility model discloses a foldable, movable tile drilling and positioning tool, belonging to the technical field of positioning tools. The tool uses pre-laid tiles as a reference, and its components can be freely adjusted according to the site conditions. When the desired position is reached, it is tightened with a fixing nut. A clamp is used to fix the thickened stainless steel base plate and the tile to be drilled together. An oil-based drawing pen is used to draw lines around the stainless steel switch positioning plate or inside the water pipe positioning hole, achieving accurate and rapid drilling. A suitable drilling bit is selected, and the hole is drilled along the drawn lines. After drilling, the tile can be laid. After use, the tool can be folded and stored. Because this device has a modular folding structure, it is convenient to use, does not occupy space, and can be reused multiple times, improving drilling speed and accuracy, resulting in better tile adhesion and aesthetics, reducing tile waste and material waste, achieving material conservation and efficiency, and fully meeting the requirements of homeowners.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD +1

Blister packaging box with folding and buckling structure

The utility model discloses a plastic uptake packaging box with a folding and buckling structure. The plastic uptake packaging box is provided with a plastic uptake shell convenient for plastic uptake forming; comprising an edge installed on the outer surface of the blister shell, a supporting piece is installed on the side edge of the inner surface of the blister shell, a first bearing piece is installed on the middle section of the inner surface of the blister shell, and meanwhile the first bearing piece is provided with a built-in limiting clamping mechanism; and the connecting piece is mounted on the left side of the outer surface of the first bearing piece. The integrated blister shell is arranged, the blister shell is effectively distributed into different parts, in the working process, the blister shell can be matched with a supporting piece in the blister shell, the supporting stability of the integrated blister shell is improved, a positioning block assembled by a first bearing piece is controlled to position the center of a product, and the outer side of the product is embedded and clamped for use through use of a clamping block; and when the integrated blister shell is unfolded, the product is prevented from directly falling off, and the use safety is improved.
Owner:JIAXING JINCHENG PACKING MATERIAL CO LTD

Folding structure of household nursing bed

The invention relates to the technical field of medical rehabilitation equipment, and discloses a household nursing bed folding structure which comprises a nursing bed supporting frame, bed head baffles are fixedly connected to the two ends of the upper side face of the nursing bed supporting frame, lifting supporting columns are arranged at the two ends of the lower side face of the nursing bed supporting frame, and bottom connecting plates are fixedly connected to the lower ends of the bed head baffles. Lockable universal wheels are rotationally connected to the two ends of the lower side face of the bottom connecting plate, a second supporting connecting rod and a third supporting connecting rod are fixedly connected to the inner walls of the two sides of the nursing bed supporting frame, a fifth supporting connecting rod is fixedly connected to one end of the inner wall of the nursing bed supporting frame, and a body supporting plate assembly and a hip opposite plate are further arranged on the nursing bed supporting frame. The folding structure of the household nursing bed integrates multiple functions, improves the comfort of a patient and the nursing efficiency, ensures safety and stability, prevents complications, is convenient to clean and maintain, and reduces the use cost.
Owner:ZHEJIANG MATESIDE MEDICAL DEVICES TECH CO LTD

Folding structure and display device

The application discloses a folding structure and a display device. The folding structure comprises a frame, a hinge and a sandproof structure. The frame is provided with a plurality of accommodation grooves along a first direction, and the first direction is the axial direction of the folding axis of the folding structure. The hinge is arranged in at least one of the accommodation grooves. The sandproof structure is arranged in at least one of the accommodation grooves, and the sandproof structure is provided with an accommodation space capable of accommodating sand and dust, and the accommodation space is in communication with the space outside the sandproof structure. The sandproof structure is arranged in the folding structure, and the sandproof structure has the accommodation space capable of accommodating sand and dust. When sand and dust enter the folding structure, the sandproof structure can absorb and store the sand and dust in the structure, so that the sand and dust do not interfere with the normal operation of the hinge and the display screen.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Folding structure of newly-added structural main beam crossing original structural floor slab and newly-added structural interlayer floor slab

The utility model provides a folding structure of a newly-added structural main beam spanning an original structural floor slab and a newly-added structural interlayer floor slab, a reinforcing layer is vertically arranged and wraps the outer side face of an original frame column, and a bottom structural beam and a top heightening beam of the newly-added structural main beam are vertically arranged in the left-right direction. The top heightening beam is arranged on the bottom structural beam, the bottom structural beam and the top heightening beam are both located on the left side of the original frame column and located on the left side of the reinforcing layer and connected with the reinforcing layer, and the right end of the top main rib, the right end of the front waist rib and the right end of the rear waist rib are inserted into the reinforcing layer in the left-right direction. And the lower end of the left main reinforcement, the lower ends of the front and rear stirrups of the U-shaped stirrup, the lower end of the front middle stirrup and the lower end of the rear middle stirrup are vertically inserted into the bottom structural beam. The folding beam structure can solve the problem that the newly-added structural main beam in the newly-added structural interlayer crosses two folding beams with different elevations of the original structural floor slab and the newly-added structural interlayer floor slab, and the economical efficiency and the safety are improved.
Owner:CHINA CONSTR EIGHTH ENG BUREAU TECH CONSTR CO LTD

A semi-holding forming device

The application discloses a half-support forming device and relates to the technical field of packaging machinery equipment. The half-support forming device comprises a rack, a moving assembly and a side folding structure. The moving assembly comprises a rotating shaft, a first moving piece and a first folding piece. The rotating shaft is rotationally arranged on the rack. The first moving piece is in transmission cooperation with the rotating shaft. The first folding piece is arranged on the first moving piece. The first moving piece is used for moving along the conveying direction of paperboards. The first folding piece can move with the first moving piece and is used for folding the front page and / or the back page of the paperboard. The side folding structure is in transmission cooperation with the rotating shaft. The rotating shaft can drive the side folding structure to move. The side folding structure comprises a second folding piece. The second folding piece is arranged on one side of the first moving piece. The second folding piece is used for folding the side page of the paperboard. The side folding structure is continuously driven by the rotating shaft and can adapt to the demand of high-speed continuous production.
Owner:GUANGZHOU NOVA INTELLIGENT EQUIP CO LTD