198results about How to "Easy to fold" patented technology

The stroller frame assembly comprises a main stroller frame, the main stroller frame comprises a hand push rod set and two rear foot rods, the hand push rod set comprises two supporting rods, the supporting rod on each side comprises a first rod section and a second rod section, the first end of the first rod section is rotatably connected with the rear foot rod on the same side, and the second end of the first rod section is rotatably connected with the rear foot rod on the same side; the first end of the second rod section is rotatably connected with the second end of the first rod section, and the first rod section on each side is movably provided with a sliding piece; the left and right ends of the handrail assembly are connected to the sliding pieces on the two sides respectively; the rear end of the seat assembly is connected to the bottoms of the supporting rods on the two sides. The backrest assembly comprises a first backrest part and a second backrest part, the first end of the first backrest part is connected to the rear end of the seat assembly, and the first end of the second backrest part is rotatably connected to the second end of the first backrest part; in the folding state, the second backrest part is folded towards the front side relative to the first backrest part, the first rod section is close to the rear foot rod, and the second rod section is folded towards the side close to the armrest assembly relative to the first rod section.

This utility model provides an integrated portable foldable electronic scale device for automobiles, belonging to the field of electronic scales. It includes: two mounting frames, with a hinge fixedly installed between them, rotatably connected by the hinge; a grid plate fixedly installed at the bottom of each mounting frame, with casters fixedly installed at both ends of the inner side of the grid plate; an electronic scale body is installed inside each mounting frame, with locking blocks fixedly installed at both ends of the electronic scale body; locking slots are provided through both ends of each mounting frame, and L-shaped pins are movably installed through and within each locking block. This utility model allows for convenient folding and movement of the electronic scale body, facilitating transportation, maintenance, and modification, thus improving the overall convenience and practicality of the equipment; it also allows for convenient assembly and disassembly of the electronic scale body, further enhancing its practicality.

The utility model provides a kind of foldable stainless steel turnover box, comprising: top frame, first hollow groove is arranged on the top frame through slide bar, hinged seat and support rod, the bottom end of the support rod bottom is rotatably connected with bottom frame through mounting shaft, the second hollow groove that is used in cooperation with support rod is set on the bottom frame, metal guard plate is set on the bottom of the top frame through hinge, metal guard plate is rotatably connected in vertical direction, bottom metal guard plate bottom is connected with bottom frame through hinge, slide plate and plug rod are set in the cavity in the inside of the top frame, the plug hole that is used in cooperation with plug rod is set on the hinged seat. The utility model under the action of hinged seat and slide bar sliding connection and support rod and bottom frame rotatable connection, the convenient folding and unfolding of turnover box is realized, storage space is greatly saved;The cooperation of plug rod and plug hole, in combination with the elastic effect of reset spring, the stability of support rod support state is guaranteed, and the use reliability of box body is improved.

The application belongs to the technical field of folding ladders and discloses a high-strength light-weight composite profile folding ladder with a mistaken touch locking structure, which comprises a base plate, a fixed supporting plate, a stable jacking assembly, a locking and adjusting assembly, a width adjusting assembly and an automatic folding connecting assembly. The stable jacking assembly comprises a sliding plate, and the upper surface of the sliding plate is fixedly connected with a mounting plate at one end. When a better height is needed, the automatic folding connecting assembly can be used for secondary folding, the whole folding ladder can form an inverted V shape, and the height can be temporarily adjusted to better adapt to the working environment. When the width of the working environment is limited, the width adjusting assembly can be used to adjust the width of the folding ladder, thereby greatly improving the practical value of the folding ladder. In the use process of the folding ladder, the stable jacking assembly can be used to support the folding ladder, thereby ensuring the stability of the folding ladder in the working process and improving the safety of the folding ladder.

This utility model discloses a folding structure for a large unmanned aerial vehicle (UAV) frame. It relates to the field of UAV technology and includes a central frame assembly. The central frame assembly includes a fuselage frame, with a mounting base fixedly installed on the outer side of each side of the fuselage frame. A main support leg assembly is provided on one side of each mounting base, and a secondary support leg assembly is provided at one end of the main support leg assembly. First hinge seats are fixedly installed on both sides of the bottom of the mounting base. The main support leg assembly includes a support leg frame, with first hinge members fixedly installed on both sides of the bottom of one end of the support leg frame. The first hinge members are hinged to the first hinge seats. Hinge holes are provided on both sides of the other end of the support leg frame. The secondary support leg assembly includes two support leg pieces, with second hinge members fixedly installed on the inner sides of the top of each of the two support leg pieces. The second hinge members are hinged to the hinge holes. This utility model enables the folding of the UAV frame during storage and transportation, reducing the storage volume and possessing high practical value.

This utility model provides a steel formwork construction platform for concrete retaining walls, including a platform base plate, a guardrail assembly, and a diagonal bracing assembly. The platform base plate has a bottom frame, with a mesh panel at the top and connecting plates at both ends. The guardrail assembly has side support frames, with L-shaped connecting rods fixedly installed on both sides of the side support frames, the L-shaped connecting rods being rotatably connected to the sides of the bottom frame. The diagonal bracing assembly has a threaded rod, with support tubes threaded to both ends. A hinge is fixedly installed at the end of one support tube, and a mounting seat is fixedly installed at the end of the other support tube, the hinge being rotatably connected to the sides of the bottom frame. A locking mechanism is provided on the inner side of the bottom frame. When the side support frames are perpendicular to the bottom frame, the locking mechanism locks or releases the L-shaped connecting rods from the bottom frame. This utility model saves installation time, has a high space utilization rate due to its foldable design, and is convenient for transportation and storage.

The utility model discloses an auxiliary device for folding and storing protective clothing, and belongs to the technical field of medical instruments. The protective clothing folding and storing auxiliary device comprises a bearing plate, sleeve placing plates are hinged to the two sides of the bearing plate respectively, a clothing and trouser placing plate is hinged to the side, located between the two sleeve placing plates, of the bearing plate, and the clothing and trouser placing plate comprises thigh plate pieces and shank plate pieces; one side of the thigh plate is connected with a hinge, the thigh plate is hinged to one side of the shank plate through the hinge, supporting legs are installed at the corners of the thigh plate and the shank plate respectively, the bottom faces of the supporting legs are flush with the bottom face of the bearing plate, and the thigh plate is hinged to one side of the shank plate through the hinge. A clothes and hat placing plate is hinged to the side, away from the clothes and trousers placing plate, of the bearing plate, a groove is formed in the top face of the bearing plate, a folding plate is arranged in the groove and comprises a plate body, and the plate body is hinged to one side of the inner wall of the groove.

The utility model relates to the technical field of energy equipment, in particular to a light, storage and firewood integrated container which comprises a container body, partition plates are arranged in the container body, and the interior of the container body is divided into an energy storage battery chamber, a diesel generator chamber and a photovoltaic storage chamber through the partition plates. A diesel generator is arranged in the diesel generator chamber, an installation support used for installing energy storage components is arranged in the energy storage battery chamber, a photovoltaic support is arranged in the photovoltaic storage chamber, a photovoltaic panel is installed on the photovoltaic support, and a rotation adjusting mechanism is arranged between the photovoltaic support and the container body. The interior of the container body is divided into the energy storage battery chamber, the diesel generator chamber and the photovoltaic storage chamber by arranging the partition plates, and the space in the container body is reasonably divided; and the rotation adjusting bracket is arranged to rotate the photovoltaic bracket and adjust the angle, so that the angle adjusting range is widened, the photovoltaic panel is more effectively contacted with sunlight, and the use convenience is improved.

This utility model relates to a special refrigeration machine for medical waste. The refrigeration cabinet (2) has several folding storage support units inside its cabinet body (21). Each folding storage support unit includes a support rod (3) and two support units (4) for supporting the support rod (3). Each support unit (4) includes a mounting base (41) and a mounting block (42) mounted on the mounting base (41). A sliding column sleeve (43) is rotatably connected inside the mounting block (42), and a sliding column (44) is slidably connected inside the sliding column sleeve (43). The support rod (3) is positioned between the sliding columns (44) in the two parallel support units (4). Compared with the prior art, this utility model allows for flexible changes in the size and layout of the storage space by flipping the support rod (3) and adjusting the extension length of the sliding column (44). This enables the storage support to adapt to different sizes of medical waste, avoiding space waste and solving the problem of low internal space utilization efficiency in refrigeration machines.

This invention discloses a paperboard structure and paper tray based on rapid folding of double-layer paperboard, including first to third transverse folds and a first vertical slit, which together construct a basic paper tray folding frame. The end support surfaces, guided by specific folds, work in conjunction with the inner and outer side panels to form a robust end support structure. The interlayer formed between the inner and outer side panels further consolidates the overall stability. The lateral support plate is transformed into an L-shape through a clever fold design, significantly enhancing the lateral support force. The end support frame also features a similar L-shaped support strip design. This design also demonstrates various deformation schemes to adapt to different needs, such as different forms of L-shaped support strips and support tongues achieved through specific slits and auxiliary folds, which respectively improve the stability and edge strength of the ends. All components are self-formed through simple folding without additional assembly, realizing rapid three-dimensional transformation of the paperboard and greatly improving the pressure-bearing capacity and structural stability of the paper tray.

The utility model provides a temporary guardrail device for municipal building construction. The temporary guardrail device comprises a stand column, two breast boards and an angle fixing assembly. The two sides of the stand column are rotationally connected with the two breast boards. The angle fixing assembly comprises two rotating rings arranged in the middle of the upper end of the stand column, the side wall of each rotating ring is connected with a threaded sleeve, the middle of each threaded sleeve is connected with a first screw, the outer end of each first screw is connected with a clamping sleeve, the middle of each clamping sleeve is connected with a plug pin, and the two sides of the upper end of the breast board extend upwards to form limiting columns. The middle of the clamping sleeve and the middle of the limiting column are each provided with an insertion hole matched with the plug pin. Through the combination of the stand columns and the breast boards, the guardrail is convenient to disassemble, assemble and fold, and through the arrangement of the angle fixing assemblies, the placed breast boards can be subjected to angle fixation, the stability of the guardrail is improved, and the guardrail can be conveniently placed in a mode of being attached to the terrain.

The display device according to one embodiment comprises a display module and plates attached to the display module, wherein the plates are formed in multiple layers and comprise a layer having an isotropic elastic modulus and a layer having an anisotropic elastic modulus.

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 present application relates to the field of biosynthesis and microbial fermentation engineering technology, in particular to a kind of secretion expression human lactoferrin Yarrowia lipolytica and its construction method and application.The present application provides a kind of secretion expression human lactoferrin recombinant Yarrowia lipolytica, the secretion expression of human lactoferrin in the recombinant Yarrowia lipolytica is guided by secretion signal peptide;The expression of chaperone HAC1, Cne and Pdi1 is simultaneously enhanced.The present application realizes the secretion expression of human lactoferrin in Yarrowia lipolytica, effectively promotes the folding and secretion expression of human lactoferrin by the cooperation of chaperone, significantly improves the yield of human lactoferrin, and has important application value in the industrial scale production of human lactoferrin.

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 discloses a hot air comb convenient to carry and store, and belongs to the technical field of personal care appliances. Comprising a handle and an air outlet cylinder, and a self-rotating structure is arranged between the handle and the air outlet cylinder to enable the air outlet cylinder to rotate relative to the handle and be overlapped; the other end of the air outlet cylinder is connected with the anti-scalding comb head through a buckle assembly. The self-rotating structure comprises a rotating part, a sliding piece and the like, locking is achieved through clamping of a locking protruding column and an auxiliary clamping hole, and the jacking assembly is used for unlocking. The anti-scald comb head comprises a three-dimensional annular brush comb head and a single-face brush comb head, the three-dimensional annular brush comb head is convenient to operate and far away from a heat source due to the rotary handle design, and the single-face brush comb head divides a cavity to guide airflow. The wedge-shaped clamping block of the buckle assembly is matched with the L-shaped locking groove to achieve rapid disassembly and assembly of the comb head. The handle is connected with a power line through a quick-plug structure, and 360-degree circumferential rotation sliding electrification is supported. The problems that a traditional hot air comb is inconvenient to fold, the comb head is inconvenient to replace, and the anti-scalding effect is insufficient are solved, and the multifunctional hot air comb has the advantages of being convenient to store, convenient to replace the comb head and safe in anti-scalding effect due to the separated power line design.

The utility model discloses an industrial workshop equipment foldable protective cover which comprises a top cover, the inner surface of the top cover is in meshed connection with a first side plate, the lower surface of the top cover is in meshed connection with a second side plate and a third side plate, the outer surface of the second side plate is in threaded connection with a threaded rod, the outer surface of the first side plate is provided with a threaded groove, and the outer surface of the third side plate is provided with a threaded rod. The threaded rod is in threaded connection with the threaded groove, a lock hole is formed in the outer surface of the third side plate, and a key is arranged on the inner surface of the top cover. An air blower is fixedly connected to the upper surface of the top cover, an air inlet pipe is fixedly connected to the output end of the air blower, an air nozzle is fixedly connected to the side, away from the output end of the air blower, of the air inlet pipe, and a heat dissipation opening is formed in the outer surface of the top cover. Through the components, the device can be folded, the occupied space is reduced, the device can be unfolded and folded conveniently, and operation is convenient and fast; and the equipment can be cooled and prevented from being damaged due to overheating, and the service life of the equipment is prolonged.

The H-shaped clothes hanger convenient to store comprises four lower vertical rods which are vertically arranged, T-shaped bayonet sockets are installed at the upper ends of the lower vertical rods, upper vertical rods are installed at the upper ends of the T-shaped bayonet sockets in an inserted mode, the upper vertical rods can stretch out and draw back into the lower vertical rods, and locking pieces are arranged on the T-shaped bayonet sockets and lock the upper vertical rods. A folding part is arranged between the two lower vertical rods on the left side and the lower vertical rod on the right side; the upper ends of the two upper vertical rods on the left side are provided with rotating inserting bases which are rotationally connected with the second inserting pieces, the upper ends of the two upper vertical rods on the right side are provided with supporting inserting bases, the supporting inserting bases are provided with inserting grooves, the first inserting pieces are inserted into the inserting grooves, and the left ends of the top airing rods are inserted into the second inserting pieces. And the right end of the top airing rod is inserted into the first inserting piece. The folding table can be completely folded, special tools are not needed in the folding process, folding is convenient, the height of the folded table is small, and storage and transfer are convenient.

This utility model discloses a dual-motor folding bed, comprising: a backrest board, a first hiprest board, a second hiprest board, a legrest board, a footrest board, a back frame, a leg frame, a back motor, and a leg motor; the backrest board and the first hiprest board are rotatably connected by hinges, and the second hiprest board, the legrest board, and the footrest board are sequentially rotatably connected by hinges; the back frame is disposed on the back of the backrest board and the first hiprest board, and the back motor is disposed within the back frame for driving the backrest board to lift or lower; the leg frame is disposed on the back of the second hiprest board, the legrest board, and the footrest board, and the leg motor is disposed within the leg frame for driving the legrest board to lift or lower; the back frame and the leg frame are rotatably connected.

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 relates to the field of cable construction, and discloses a cable mounting bracket capable of adapting to different mounting environments, which comprises a fixed seat, a supporting assembly and a positioning assembly are mounted at the front part of the fixed seat, the supporting assembly comprises three groups of supporting shafts and three lifting grooves, the three lifting grooves are respectively arranged at the front part of the fixed seat, and the positioning assembly is arranged at the front part of the fixed seat. The three sets of supporting shafts are fixedly installed on the front portion of the fixing base, a shaft sleeve is movably installed outside a shaft body between the two supporting shafts in each set, a supporting plate is fixedly installed outside the shaft sleeve, a positioning hole is formed in the position, close to the rear end, of the top of the supporting plate, and an adjusting rod is movably installed in the position, penetrating through the fixing base, of the top of the supporting plate. Through the shaft sleeve and the clamping column, the occupied space in a cable trench can be reduced after installation, and meanwhile, a cable at the bottom end is convenient to take, place and place; and through the screw rod and the telescopic column, the outer side of the cable can be blocked, the cable is prevented from sliding and falling off, and the device is suitable for being installed at a bend in a cable trench.

The utility model relates to drawing equipment technical field discloses a kind of engineering cost drawing equipment, including shell, the inside fixedly connected with baffle of shell, the inside rotationally connected with screw rod of baffle, the top of screw rod is provided with driving mechanism, the outer wall of screw rod is threadedly connected with lifting support, the outer wall fixedly connected with push block of lifting support, the outer wall slidingly connected with of lifting support, the outer wall fixedly connected in the inside of shell, the inside of shell is provided with pivot one, the outer wall of pivot one is provided with torsion spring, one end of torsion spring is arranged in the inside of shell.In the utility model, driving mechanism drives screw rod rotation to promote lifting support sliding lifting, equipment drawing height flexible adjustment is realized;Further, when folding equipment, top plate is closed by connecting rod pulling, when lifting support rises, torsion spring rebound drives top plate to open, to realize the beneficial effect that equipment is conveniently rolled up and moves.

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 relates to the technical field of food, and discloses a shelf for a cold chain warehouse of Tibet mutton prefabricated dishes. According to the cold chain bin, the supporting frames can be folded and contracted according to the placement condition of goods, then the space in the cold chain bin is flexibly arranged, after the multiple supporting frames are pulled open, as long as the goods buckets between every two adjacent supporting frames are emptied, the two supporting frames can be folded, and the folding process is not limited by positions. The multiple components cooperate with one another, in the operation process, the cargo bucket can be lifted up firstly, then the rear-end supporting frame is pushed to be close to the front-end supporting frame, the state of the cargo bucket is changed from the horizontal state to the inclined state to the final vertical state, then the supporting frames can be conveniently pushed to be folded, and due to the fact that the cargo bucket which is not lifted up is in the horizontal state, stress of the cargo bucket is stable; even if being subjected to force in the horizontal direction, the device cannot be overturned and folded upwards, and fixed-point folding by operators is facilitated.

The oxygen bottle fixing frame convenient to fold comprises a supporting frame, the outer wall of the supporting frame is fixedly connected with an L-shaped block, the interior of the supporting frame is slidably connected with a limiting plate, the outer wall of the limiting plate is fixedly connected with a first sliding rail and a second sliding rail, the interior of the supporting frame is provided with a first sliding groove and a second sliding groove, and the first sliding groove and the second sliding groove are arranged in the supporting frame. The outer wall of the first sliding rail is slidably connected to the inner wall of the first sliding groove, the outer wall of the second sliding rail is slidably connected to the inner wall of the second sliding groove, and the interior of the supporting frame is in threaded connection with a screw. According to the oxygen bottle fixing device, the first sliding rail and the second sliding rail can be driven to slide in the first sliding groove and the second sliding groove respectively by pulling the limiting plate, then the limiting belt is driven by the limiting plate to be adjusted, the limiting plate can be fixed through the screws, and then an oxygen bottle body is placed on the supporting plate from the limiting belt; the fixing frame is convenient to fold, and meanwhile the effect of adjusting the overall length is achieved.

This utility model relates to the technical field of dining chairs, and in particular to a simple folding dining chair. The seat moves via a wheel assembly. After use, the backrest assembly, support frame assembly, and tray assembly are folded. It has a stylish and attractive appearance, a reasonable structure, strong stability, a small folding volume, flexible rotation, strong multi-functional applicability, simple and convenient operation, one-button folding, easy folding, low cost, easy portability, and wide applicability. It includes a backrest assembly, support frame assembly, wheel assembly, and tray assembly. The wheel assembly is located at the bottom of the support frame assembly. The backrest assembly is mounted on the support frame assembly, and the tray assembly is mounted on the backrest assembly. The backrest assembly and support frame assembly are foldable, and the length of the tray assembly is adjustable.