57results about How to "Easy to fold and unfold" patented technology

The disclosed warehouse loader has two platform sections. One section is hinged to a deck where the operator stands when moving the loader. The other section is hinged to the first section and can be aligned with the first section to create a platform that extends outwardly from the deck and can be accessed by the operator directly from the deck. The second section is narrower than and folds against the first section. A spring-loaded latch holds the first section in an upright position, with the second section folded against it. A manually-operable positioning hook engages receptacles in the platform sections, making it easier to fold the sections. To retrieve a spilled article, the loader is first positioned at an open location adjacent the spilled article. The platform is extended into the open location. The operator can then stand on the platform while retrieving the article.

A portable scooter consists of a handlebar vertical rod (3), a handlebar cross rod (2), a handlebar (1), a brake, a frame, a flywheel (27), a transmission mechanism, a front wheel (11) and a rear wheel (25). The frame comprises a front fame (5), a low frame (16), a front fork (10) and a connecting part (13). Two handlebar vertical rod shafts (4) are equipped at the both sides of the upper end of the front frame (5), and the front frame (5) is connected with the handlebar vertical rod (3) via the handlebar vertical rod shafts (4). The front frame (5) is provided with a rear wheel recess (6), a front wheel recess (7) and a fork end from top to end. The front fork (10) is equipped with a block device at the front end, and a fork pipe rack (12) at the rear end. The front fork (10) is inserted into the fork end of the front frame (5), and the front fork (10) is connected to the front frame (5) via a front shaft (9). The connecting part (13) is connected with the front fork (10) via the fork pipe rack (12), and with the low frame (16) via a middle shaft (15), and is provided with two handlebar holes (14). The low frame (16) is provided with the front wheel recess (28). The front wheel (11) is connected with the front fork (10), and the rear wheel (25) is connected with the low frame (16) via rear shaft (26). The scooter has advantages of small volume, light weight, rapid folding and is convenient and safe to ride.

The invention discloses a tent. The tent comprises a tent frame and a tent cloth. The tent frame comprises a center part and at least two tent bar sets. Each tent bar set comprises an upper tent bar, a middle tent bar and a lower tent bar. The first ends of the upper tent bars are pivoted to the center part, the second ends of the upper tent bars and the first ends of the middle tent bars are connected through first rotational joints, and the second ends of the middle tent bars and the first ends of the lower tent bars are connected through second rotational joints. The tent frame can be changed between an unfolded state and a folded state, in the moving process from the folded state to the unfolded state, the upper tent bars are rotated from top to bottom relative to the center part, turning of the middle tent bars relative to the upper tent bars is the same as turning of the upper tent bars relative to the center part, and turning of the lower tent bars relative to the middle tent bars is opposite to turning of the middle tent bars relative to the upper tent bars. The tent cloth is connected with the center part, the upper tent bars, the middle tent bars and the lower tent bars. The tent has the following advantages that the lower tent bars are folded downwards (inwards), bottom angles of the tent cloth are folded inwards, unfolding and folding are convenient, the structure is simple, and the cost is low.

The invention discloses a baby stroller. The baby stroller comprises a stroller frame. The stroller frame comprises a front support, a rear support, lower push rods, upper push rods, supporting rods,front connecting rods, rear connecting rods and a stand plate component. Two of the upper portion of the front support, the upper portion of the rear support and the lower portions of the lower push rods are connected in a rotating mode. The lower portions of the upper push rods and the upper portions of the lower push rods are connected in a rotating mode. The supporting rods are connected with the upper push rods and the rear support in a rotating mode. One end of each front connecting rod is connected with the front support in a rotating mode. One end of each rear connecting rod is connected with the other end of the corresponding front connecting rod in a rotating mode, the other ends of the rear connecting rods are connected with the rear support in a rotating mode, and the supportingrods are arranged on the rear connecting rods in a rotating and sliding mode. The stand plate component is arranged to be capable of sliding relative to the rear connecting rods. The baby stroller issimple in structure, and folding and spreading operation is convenient; and besides, the baby stroller is compact in structure, small in occupied space, easy to carry and store after being folded andfacilitates use of consumers.

A multifunctional guardrail device comprises a guardrail body and an auxiliary platform, wherein the guardrail body is of a frame structure and comprises a plurality of guardrail frames arranged parallelly, the auxiliary platform is of a frame structure and comprises a plurality of parallelly arranged platform frames, the guardrail frames correspond to the platform frames, one end of each platform frame is hinged to supporting seats respectively, and the other end of each platform frame is fixedly connected with connecting seats respectively. The side faces of the supporting seats are fixedly connected with a main platform and are provided with horizontally-extending supporting arms, the platform frames are respectively supported by the supporting arms when the auxiliary platform is located at a horizontal position, and the connecting seats are connected with the near ends of the guardrail frames respectively through connecting hinge pins. During unfolding, the area of the main platform can be increased to facilitate device maintenance and other operations performed by operators, and meanwhile safety protection can be provided for the operator. During folding, the area of the main platform can be decreased, and device peripheries are also effectively protected while integral device transportation is facilitated.

A foldable bearing pallet comprises two U-shaped end frames, wherein the structures of the two U-shaped end frames are the same; the two U-shaped end frames are symmetric and are connected with each other through two groups of foldable supporting arms; and two cover plates for placing goods are paved on the supporting arms side by side. Each U-shaped end frame comprises an upper U-shaped rack, a lower U-shaped rack and two corner columns which are integrally formed between two bent positions of the upper U-shaped rack and between two bent positions of the lower U-shaped rack respectively. The foldable bearing pallet is simple in structure and convenient to manufacture, is convenient to fold or unfold, is small in size after being folded, and is convenient to store and carry. Fixing structures for fixing strapping tapes are arranged on the periphery of the bearing pallet, and are suitable for binding supported goods, and the end frames are fixed structures, and are suitable for forklift carrying.

The invention discloses an efficient winding and placing device for industrial cloth. A winding main body comprises a bottom frame, a top frame, a power bin, hinges, a cover plate, a sliding groove, aroller assembly, a control switch and a power line. According to the device, the power bin and the roller assembly are optimally arranged, a tension spring enables a cylindrical rod to be close to acylinder frame through a sliding frame, when cloth is wound on the cylinder frame, the cylindrical rod enables the cloth to be attached to the cylinder frame to be wound through contact with the cloth, and the fit degree of cloth winding is guaranteed; and after the cloth is wound, the inner side of the cloth is in rotating contact with groove wheels in a rectangular groove, and when the cloth ispulled, the groove wheels rotate to guide the cloth to move, the cloth is conveniently taken down, and the work efficiency of cloth winding and placing is accelerated.

A foldable speed-varying bicycle is composed of a quadrangular frame consisting of upper and lower beams, front tube and back fork, which are linked in movable mode, front fork, saddle and its supporting tube, etc. Said back fork comprises upper and lower segments which are linked via a folding unit.

The invention relates to a multifunctional dining table. The multifunctional dining table comprises a main box body, a water trough, a water trough rack, a barbecue grill frame, a cooking bench board, an oil furnace and a storage box, wherein the main box body is in a cuboid shape, a cavity is formed inside the main box body, a box body support matched with the shape of the main box body is installed inside the main box body, the cooking bench board is installed on the box body support, the cooking bench board slides in and out of the main box body from the bottom of one side surface of the main box body, the water trough rack is installed on the box body support, the water trough rack slides in and out of the main box body from the top of the other side surface, opposite to the inlet-outlet side surface of the cooking bench board, of the main box body, the other two side surfaces of the main box body can be overturned to a horizontal state along the top of the main box body, the storage box, the oil furnace and the barbecue grill frame are arranged in the main box body side by side, the water trough is arranged on the water trough rack, four top corners of the bottom of the main box body are respectively provided with a foldable leg, and two side surfaces, from which the cooking bench board and the water trough rack slide in and out of the main box body, of the box body are respectively provided with a foldable stool. The multifunctional dining table has beneficial effects that the structure is simple and reasonable, convenience in retraction and folding can be realized, the occupied space is small, convenience in carrying can be realized, and the function is diversified.

The invention relates to a portable scooter. The portable scooter comprises a handle vertical rod, a handle cross rod, a handle, a brake, a frame, a flywheel, a transmission mechanism, a front wheel and a rear wheel, wherein the frame comprises a front frame, a lower frame, a front fork and a connecting piece; the two sides of the upper end of the front frame are provided with handle vertical rodshafts, and the front frame is connected with the handle vertical rod by virtue of the handle vertical rod shafts; the front frame is provided with a rear wheel containing groove, a front wheel containing groove and a forking end from top to bottom; the front end of the front fork is provided with a locking device, the rear part of the front fork is fixedly provided with a fork vertical pipe frame; the front fork is inserted into the inner side of the forked end of the front frame and is connected with the front frame by virtue of a front shaft; the connecting piece is connected with the front fork by virtue of the fork vertical pipe frame, is connected with the lower frame by virtue of a middle shaft and is provided with a handlebar inserting hole; the front wheel containing groove is arranged on the lower frame; the front wheel is connected with the front fork; and the rear wheel is connected with the lower frame by virtue of a rear shaft. According to the portable scooter, under the condition of adopting 8-inch wheels, the folded size is 50mm*20mm*8mm, the weight is light, the folding speed is high, and the ridding is convenient and safe.

The invention relates to a quick unfolding type foldable drum set support and a use method thereof, and belongs to the technical field of hardware processing. The device comprises a rod group, connecting pieces and drum frame supporting feet; each connecting piece comprises a rod connecting fastener and a foldable structure; vertical rods and transverse rods are connected through the rod connecting fasteners and are foldable, and the transverse rods are connected through foldable structures and are foldable; each drum frame supporting foot comprises a three-foot rod group and a quick-release connecting piece, and the three-foot rod groups are connected with the vertical rods through the quick-release connecting pieces. The relative rotation of the rods is controllable, so that the drum setsupport can be rapidly unfolded under the condition of accurate positioning, and the installation and positioning work of the complex drum set support is omitted.

The invention relates to a folding mechanism and an electric vehicle, in which that fold mechanism, include a first connector, a touch member, a second connection member, elastomer and two locking levers, A first connector is hinged to the second connector, the second connecting piece is provided with a limiting part for limiting the locking lever, one end of the locking lever is pierced on the first connecting part, the trigger is movably arranged on the first connecting part, the trigger is connected with two locking levers, one end of the elastic part is connected with one locking lever, the other end is connected with the other locking lever, and the two locking levers can make reverse movement under the action of the elastic part to snap the limit part; The two locking levers are movable oppositely under the action of a trigger to disengage from the limit of the limit portion. The two locking levers can realize reliable linkage under the action of the trigger to complete folding or unfolding, which is convenient to operate and use, and has a compact and reasonable structure.

The invention relates to a portable bicycle, which is characterized in that a bicycle seat frame is arranged on a lower bicycle frame; the portable bicycle comprises a bicycle seat, a seat rod, a rear upper fork and a rear upper fork frame; the lower end of the seat rod is connected with the front end of a front wheel accommodating groove of the lower bicycle frame through a seat rod shaft; the bicycle seat is arranged at the upper end of the seat rod; the upper end of the rear upper fork is connected with the seat rod through a rear upper fork shaft; the rear upper fork frame is fixedly connected with the rear end of the front wheel accommodating groove on the lower bicycle frame; a front bicycle frame, the seat rod, the lower bicycle frame and the rear upper fork are respectively made of two rectangular parallel flat plates which are arranged symmetrically, so that a front bicycle wheel and a rear bicycle wheel are inserted in a gap between the parallel flat plates when the bicycle body is folded, therefore the volume of the folding bicycle is largely reduced. On the condition of adopting a bicycle wheel with a diameter of 10 inches, the folded size of the portable bicycle disclosed by the invention is 64 cm * 25.4 cm * 9.5 cm; and the portable bicycle has the advantages of light weight, high folding speed and convenience and safety for riding.

A foldable bearing pallet comprises two U-shaped end frames, wherein the structures of the two U-shaped end frames are the same; the two U-shaped end frames are symmetric and are connected with each other through two groups of foldable supporting arms; and two cover plates for placing goods are paved on the supporting arms side by side. Each U-shaped end frame comprises an upper U-shaped rack, a lower U-shaped rack and two corner columns which are integrally formed between two bent positions of the upper U-shaped rack and between two bent positions of the lower U-shaped rack respectively. The foldable bearing pallet is simple in structure and convenient to manufacture, is convenient to fold or unfold, is small in size after being folded, and is convenient to store and carry. Fixing structures for fixing strapping tapes are arranged on the periphery of the bearing pallet, and are suitable for binding supported goods, and the end frames are fixed structures, and are suitable for forklift carrying.