56results about How to "Easy to fold and unfold" patented technology

The invention discloses a Ku frequency band double-frequency dual-polarization micro-strip plane reflective array antenna. A plane medium substrate is provided with two kinds of frequency passive micro-strip resonance units, each kind of frequency units is arranged in equal rows and equal lines, the distance between every two rows is equal to that between every two lines, the distance is less than or equal to one half of the wavelength of the highest work frequency free space, and each second frequency unit is located at the center of every four first frequency units in a square array. The center of all the first frequency units is provided with a set of gaps, the center of all the second frequency units is provided with a set of gaps perpendicular to the gaps of the first frequency units, and polarization in the two perpendicular directions is formed. Each kind of frequency units is of loop line patch structures with at least two layers, and the size of a loop is determined according to the phase position needing compensation. According to the Ku frequency band double-frequency dual-polarization micro-strip plane reflective array antenna, the phase difference between a feed source and the space of each unit on the array surface is compensated by regulating the size of each micro-strip unit on the medium substrate, reflected waves achieve same-phase superposition in the special direction, pencil beams are formed, and the purpose of high gain is achieved.

The invention discloses a folding cell-built-in flexible solar cell array. The folding cell-built-in flexible solar cell array is different from a traditional rigid solar cell array and a traditional flexible solar cell array. A substrate of the solar cell array is a flexible substrate, solar cell circuits are highly integrated, the circuits of the whole solar cell array are arranged inside the flexible substrate, and the solar cell carry in the type can achieve folding-unfolding motions and can be widely applied to a power subsystem of an air vehicle such as a space satellite. The folding cell-built-in flexible solar cell array mainly comprises a solar cell, the flexible substrate, a rigid substrate, the integrated circuits and the like. Compared with the solar cell array in the traditional modes, the folding cell-built-in flexible solar cell array has the advantages of being large in gravimetric specific power, small in folded size, high in reliability and the like, and is of great significance in the future development and the future application of the space solar cell array technology.

The invention relates to a portable laminate solar battery, and relative production. Wherein, said battery comprises upper, middle and lower layers; the upper and lower layers are laminated or/and macromolecule films, while at least one layer contains macromolecule film; the middle layer is packed unit battery plate; it uses fused film to prepare laminate macromolecule film composite layer; the part of composite layer relative to the lighted part of unit battery plate has holes; the circumference of middle layer has holes; the unit battery plate is connected by wires; layering lower, middle and upper layers on laminate compressor, to expose the lighted part; using thermal-insulated material to plaster the lighted part of middle layer; at the folded part, arranging narrow rigid object or holing the film; compressing it in compressor; cooling and furnishing edge.

The invention provides a connecting rod folding mechanism and a bumper surrounded bed comprising the same. The connecting rod folding mechanism comprises an upper bumper joint connecting rod folding mechanism, and a corner connecting rod folding mechanism. The corner connecting rod folding mechanism comprises an upper connecting rod, a lower connecting rod, and rope drawing rods; the lower connecting rod is connected to the rope drawing rods; the upper connecting rod is connected to the upper bumper tube; the upper connecting rod is movably connected with the lower connecting rod; the lower connecting rod is disposed between the rope drawing rods; each rope drawing rod is provided with an engagement structure; the lower connecting rod penetrates through the engagement structures and is connected with a traction mechanism that is disposed in a column; and one end of the column is connected to the corner connecting rod folding mechanism. The connecting rod folding mechanism provided by the invention is applicable to a bumper surrounded bed, and quite convenient to unfold and fold; and easy opening and closing of the whole bed body can be guaranteed with only one step.

The invention discloses an unmanned aerial vehicle sliding-type vehicle arm device and an unmanned aerial vehicle. The unmanned aerial vehicle sliding-type vehicle arm device comprises a vehicle arm, a vehicle arm seat and a motor blade assembly installed on the vehicle arm. The vehicle arm is slidably installed on the vehicle arm seat, and positioning of the vehicle arm and the vehicle arm seat in an unfolded states can be achieved through a limiting mechanism or/and a stopping mechanism. The unmanned aerial vehicle sliding-type vehicle arm device and the unmanned aerial vehicle are compact in structure, small in occupied area, stable and reliable in limiting, convenient to operate, capable of greatly reducing the size in an non-working state and convenient for a user to store, contain, carry and convey.

Disclosed is a warehouse loader that has two extendable platform sections. One of those sections is hinged to a deck that extends to a driving deck where the operator can stand 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 illustrated sections are between 12 and 36 inches wide, can support 300 pounds of weight, and weigh less than 40 pounds. The second section may be 1-3 inches narrower than the first section, and arranged so that it folds against one side of the first section. A spring-loaded latch can be arranged to selectively hold the first section in an upright position, with the second section folded against it. A manually-operable positioning hook can be used to selectively engage receptacles in the platform sections, making it easier to fold or unfold the sections. To retrieve a spilled article, the warehouse loader is first positioned at an open location adjacent the spilled article. The foldable platform is then extended from the loader into the open location, where it may be supported by pallet supports. The operator can then stand on the foldable platform while retrieving the spilled article.

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 suitcase-type electric folding scooter and a folding method thereof. The suitcase-type electric folding scooter comprises a power system, a control system and a receiving box; the receiving box includes a handlebar receiving box, a footboard receiving box and a rear wheel receiving box; the handlebar receiving box and the rear wheel receiving box are hinged to the two ends of the footboard receiving box through hinges; the power system includes a rear wheel, a front wheel, a hub motor and a battery; the rear wheel is mounted in the rear wheel receiving box through a rear fork; the hub motor and the rear wheel are integrated and are connected with a battery through a cable; the front wheel is connected with the front end of the footboard receiving box through a front fork and an arc connection bar; the control system comprises a brake controller and a speed governor; the brake controller is connected with a wheel brake; the speed governor is connected with thehub motor. The suitcase-type electric folding scooter has small size after being folded, has no parts exposed, is friendly to the surroundings, is convenient to carry and has good practical value.

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.

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.

The invention provides an air flue baffle, an air flue assembly and an air conditioner. The air flue baffle comprises a plurality of folded plates which can be mutually folded. The invention also provides the air flue assembly, which comprises an air flue shell, wherein the air flue shell is provided with a plurality of air outlet air flues. The air flue assembly also comprises the air flue baffle, and the air flue baffle has a folding state that the air outlet air flues are sealed, and an unfolding state that the air outlet air flues are opened. According to the air flue baffle, the air flue assembly and the air conditioner, and the folded plates are arranged to bring convenience for folding and unfolding the air flue baffle, so the air flue is conveniently opened and closed and an air outlet direction is conveniently controlled.

The invention discloses a multifunctional triple-top assembled table tennis table comprising a table top and foot stands. The table top comprises a table top first sub-member, a table top second sub-member and a table top third sub-member. The multifunctional triple-top assembled table tennis table further comprises a four-link folding structure used for folding and unfolding the table top. The four-link folding structure comprises the foot stands and hinge units connected with each other. The foot stands include the first foot stands and the second foot stands which are connected through fixing bolts. The table top is connected with the foot stands through suckers. When the table top is unfolded, the table can serve for table tennis matches table tennis training and entertainment; when the table top is partially folded, the second foot stands are folded and disposed in the first foot stands, the table top first sub-member, the table top second sub-member and the table top third sub-member are stacked in order, and the table can serve as a calligraphy and painting table or a dining table.

A folding buggy comprises a buggy frame with an unfolding position and a folding position and a plurality of wheel assemblies arranged at the bottom of the buggy frame, the buggy frame comprises a base, a bottom wheel frame and a connecting rod, the bottom wheel frame is sleeved with the base and can take the center line of the bottom wheel frame as an overturning shaft, and the connecting rod is rotationally arranged on the base around a folding shaft. The axis of the first folding shaft is spatially perpendicular to the axis of the turnover shaft, the connecting rod is provided with a connecting rod swing section, the bottom wheel frame is provided with a fixed upper limiting part and a fixed lower limiting part, and the connecting rod swing section is located between the upper limiting part and the lower limiting part. When the frame is folded or unfolded, the swing section of the connecting rod abuts against the upper limiting part or the lower limiting part to drive the bottom wheel frame to rotate relative to the base, so that the effect that the wheel assembly extends downwards synchronously when the frame is unfolded and is folded upwards synchronously when the frame is folded is achieved, the overall design structure is simple, unfolding and folding operation is convenient, the size is small after folding, and use is convenient. And the manufacturing cost is low.

The invention provides an unfolding and locking mechanism capable of fast unfolding and folding a working ladder. The outer side ends of an upper step joint and a lower step joint are hinged by using a first pin shaft; a stopping pin parallel to the first pin shaft is arranged on the upper step joint; a second pin shaft parallel to the first pin shaft is arranged on the lower step joint; in addition, one rigid trigger is fixed on the second pin shaft, wherein one end of the trigger is connected to the first pin shaft by a tension spring, while the other end is provided with a cam-type slot which is likely to be blocked on the stopping pin.

The invention provides a folding cradle for cervical vertebra extension apparatus, belonging to medical apparatus technique field. It solves problems of complicate structure, difficulty for location and low stability in current technique. The cradle comprises one bottom bracket, the bottom of bottom bracket is equipped with shouldering that can make whole cradle be stable on human shoulders with a certain radian, said bottom bracket is connected with internal part of L hack lever, the outer part of hack lever is vertical during working time, and can rotate in relative to bottom bracket, and limit device is set between hack lever and bottom bracket. The invention is characterized by simple structure, easy location and deformation, high working stability, little occupancy space, convenience for package, transportation and storage.

The invention discloses a water rescue device, and belongs to the field of rescue equipment. The device comprises two ship bodies which are parallel to each other and are arranged side by side, wherein a gap is reserved between the two ship bodies; a connecting plate is arranged between the two ship bodies and connects the two ship bodies, wherein the connecting plate is telescopic; a telescopic driving unit arranged between the two ship bodies, connects the two ship bodies, wherein drives the two ship bodies to be close to or away from each other; and two stern driving units arranged at the tails of the ship bodies correspondingly, wherein the ship bodies are driven by the stern driving units to travel. In the rescue process, when a narrow river channel is encountered, the distance between the two ship bodies is reduced by controlling the telescopic driving unit, the ship bodies can directly pass through the narrow channel, when strong storm waves are encountered or the loading capacity requirement is large, the distance between the two ship bodies is increased by controlling the telescopic driving unit, the connecting plates are unfolded, impact force can be buffered, and the ship bodies are kept balanced; and rescue workers can sit on the connecting plate, and more materials can be placed on the connecting plate, so that the rescue efficiency is improved.

The invention discloses a foldable clothes-drying device, which comprises several clothes-drying poles (1), and also comprises two layers of parallel connecting rod groups (2), the two-layer connecting rod groups are connected through the clothes-drying rods; the connecting rod groups (2 ) includes several strip plates (2.1), the two ends and the middle of the strip plates (2.1) have hinge points, half of the strip plates (2.1) in the connecting rod group (2) pass through the clothes rail (1) and The hinge points at both ends of the strip plate (2.1) are hinged to form a polygon, and the other half of the strip plate (2.1) is hinged to form a polygon through the hinge points at the two ends of the clothes rail (1) and the strip plate (2.1). The angles are hinged together through the hinge point in the middle of the clothes rail (1) and the strip plate (2.1). The present invention can not only dry multiple pieces of clothes, but also has enough space for air circulation, so that the clothes can be dried faster, and is convenient for storage, takes up little space, and has low cost.

The invention relates to a bicycle folding rear fork controlling device. The device comprises a rear fork, a front frame, a first rotating shaft, a differential mechanism, a driving unit, a locking unit and an execution unit, wherein the rear fork is hinged with the front frame through the first rotating shaft; the driving unit is connected with the locking unit and the execution unit through the differential mechanism; the locking unit can be used for achieving the locking and unlocking between the rear fork and the front frame; and the execution unit can be used for driving the rear fork to rotate relative to the front frame. When a rider presses a switch of the driving unit, the driving unit is used for driving the locking unit and the execution unit to move through the differential mechanism, so that a bicycle folding rear fork can be folded and unfolded, the operating process is simple, and a folding bicycle can be folded and unfolded conveniently and quickly.

The invention discloses an electric folding tricycle which comprises a frame assembly, a handlebar, a saddle, a front wheel and two rear wheels, wherein the frame assembly comprises a front frame assembly and a rear frame assembly; the rear frame assembly comprises a frame rear beam; symmetrically hinged parallelogram-shaped mechanisms are arranged on two sides of the frame rear beam; each of the two rear wheels is arranged on one rod piece of each of the two parallelogram-shaped mechanisms; a sliding rear beam is arranged at the rear end of the frame rear beam, and two crank block mechanisms symmetric about the frame rear beam are formed; after being locked by a locking bolt, the whole rear frame assembly is fixed; the front frame assembly comprises a frame front beam; the frame front beam is connected with the frame rear beam through a connection hinge; a frame front pipe is hinged to the frame front beam; a frame front pipe lock bar is connected between the frame front beam and the frame front pipe; when the electric folding tricycle is needed to be folded, relevant connection pieces are removed or loosened to draw and fold the front frame assembly and the rear frame assembly; and after being folded, the electric folding tricycle has a regular shape and is extremely small in size, so that the electric folding tricycle is convenient to carry and store.