152results about How to "Fold valid" patented technology

The invention provides a folding portable electric bicycle provided with a telescopic steering handlebar. The folding portable electric bicycle comprises the telescopic steering handlebar, a front fork rod, a front frame, a middle beam, a rear fork piece, a saddle, a front wheel, a rear wheel and an electric driving system. The telescopic steering handlebar is connected with the front fork rod and the front frame and composed of a left handlebar body, a right handlebar body, an upper locking piece, a lower locking piece and a handle. The front frame is composed of a rotating component and a front connecting piece. The middle beam is formed by connecting a beam pipe, a front internal brake shoe, a front slotted piece, a rear slotted piece, a rear internal brake shoe, two pedal pieces and two traveling wheels. The rear fork piece is formed by connecting a left fork piece, a right fork piece, a suspension supporting piece and a reinforcing rod. The saddle is formed by connecting a saddle pipe, a locking and connecting piece, a connecting rod, a saddle body and a folding and positioning hook. The front wheel is mounted on a front axle. The rear wheel is mounted at the rear ends of the left fork piece and the right fork piece. The electric driving system comprises a motor, a battery, a controller and a control switch. The motor is arranged on the rear wheel. The battery and the controller are both arranged in the beam pipe of the middle beam.

A stretchable handle-rotatable portable electric vehicle comprises a battery box, a front fork, a stretchable rotatable handle, a front frame, a middle frame, a rear frame, a saddle, a front wheel, a rear wheel and an electric drive system, wherein the battery box is connected to the stretchable rotatable handle, the front frame and the front fork; the stretchable rotatable handle is composed of a left handle, a right handle, an upper locking part, a lower locking part and a pull handle; the front frame is composed of a rotation part and a front beam; the rotation part is composed of a drum base and a rotary component; the middle frame comprises a double-beam tube, a first dual-tube sleeve, a rear tube sleeve, two pedal parts, a folding plate, a first locking hook part, a dragging wheel, two shock-avoidance polyurethane blocks and a rear frame hook; the rear frame is composed of a left rear fork tube, a right rear fork tube, a second dual-tube sleeve and a foot support; the saddle is composed of a saddle tube, a saddle folding part, a second locking hook part, a saddle rod and a saddle seat, and the saddle folding part is composed of a dual-hole connecting part, a connecting rod and a U-shaped plug; the front wheel is installed on the front fork; the rear wheel is installed on the rear frame; and a motor is installed on the front wheel.

The invention provides a portable tricycle provided with a telescopic steering handlebar. The portable tricycle provided with the telescopic steering handlebar comprises the telescopic steering handlebar, a front fork piece, a front frame, a middle frame, a left rear fork, a right rear fork, a saddle, a front wheel, a left rear wheel, a right rear wheel and a driving mechanism. The telescopic steering handlebar is connected with the front fork piece and the front frame. The front fork piece is composed of a five-way pipe component, a square pipe, a square column and a front axle. The front wheel is connected to the front axle. The telescopic steering handlebar is composed of a left handlebar body, a right handlebar body, an upper lock piece, a lower lock piece and a handle. The front frame is composed of a rotating piece and a front beam. The middle frame comprises a double-beam pipe, a first double-pipe sleeve, a rear pipe sleeve, two rear blank caps, a first latch hook piece, a second latch hook piece, a left gasket block, a right gasket block and a drag wheel. The left rear fork is connected with the left rear wheel, and the right rear fork is connected with the right rear wheel. The saddle is composed of a saddle pipe, a saddle folding piece, the second latch hook piece, a saddle rod and a saddle body. The driving mechanism comprises a center shaft, two cranks, a crankset, two pedals, a flywheel and a chain and is connected to the five-way pipe component and the front wheel.

The invention relates to the technical field of optical lenses, in particular to a light distribution lens. A lens body is provided with a central reflection area; at least a part of small-angle light beams is refracted by an incidence area for entering the lens body, then directly irradiates the central reflection area, is reflected to a reflection area through the central reflection area, is reflected to a light exiting area through the reflection area and finally is refracted out of the lens body; at least a part of wide-angle light beams is refracted by the incidence area for entering the lens body, then directly irradiates the reflection area, is reflected to the light exiting area by the reflection area and is finally refracted out of the lens body. According to the light distribution lens, the small-angle light beams and the wide-angle light beams can be respectively controlled, the ability to control the small-angle light beams and the wide-angle light beams can be improved, and the design illumination effect of lens structures can be reliably guaranteed.

The present invention provides a backfolding night vision lens with a short coke ratio and a large caliber, provided in sequence from an object end to an imaging end coaxially with a first lens having a pedion negative refracting capability and a pedion reflecting capability; a second lens having a positive refraction capability and a falcate shape; and a third lens having a pedion negative refraction capability and a pedion reflecting ability as well as a falcate shape. A refracting surface of the first lens is connected with a convex surface of the second lens, and a concave surface of the second lens opposites to a concave surface of the third lens. The design of the invention provides a plurality of refractions and reflexions for a light path, it is capable of folding the light path effectively, reducing the coke ratio value effectively without an addition of a lens system length by employing a little lens sets, improving the imaging quality, and cost is low and it is convenient to carry. The invention relates to a lens.

A V-shaped synchronous folding handle includes: a folding base, a left handle, a right handle, a left shaft, a right shaft, a left gear, a right gear and locking screws with handles, and the feature is: For example, there are two round holes with longitudinal seams at the bottom. At the bottom of the two round holes, there is a pair of perforations perpendicular to the two seams. There are locking screws with handles in the pair of holes, which can be locked or loosened. The left shaft and the right shaft in the longitudinal parallel hole on the folding base, the left hand handle is fixedly connected to the left shaft, the right hand handle is fixedly connected to the right shaft, the left gear is installed on the left shaft, the right gear is installed on the right shaft, the left and right gears Mesh with each other, at the front of the folding base, there is a backing for the left and right handles, at the rear of the folding base, there is a cover covering the left and right gears, at the bottom of the folding base, there is a sink hole, which can be tightened It is matched with the inner extension tube inserted into the front fork tube of the bicycle; the V-shaped synchronous folding handlebar can achieve the effect of simultaneous folding of the handlebar and the handle bar, reducing the folding time and folding joints.

The invention discloses a logistics packaging box manufacturing method. The logistics packaging box manufacturing method adopts following manufacturing equipment. The logistics packaging box manufacturing equipment comprises a first mounting plate, a fixed column, a second mounting plate, a bearing table, a rolling positioning mechanism, a lifting driving mechanism, a supporting forming mechanism and a gluing mechanism. The following problems existing when existing logistics packaging box manufacturing equipment is used for manufacturing logistics packaging boxes: 1, when the existing logistics packaging box manufacturing equipment is used for manufacturing the logistics packaging boxes, paper boards are difficult to fold due to the fact that paper boards used by the logistics packaging boxes are hard; and 2, when the paper boards are folded by the existing logistics packaging box manufacturing equipment, the paper boards easily deform, so that produced cartons are inclined, can be solved. The hard paper boards can be effectively folded, and it can be guaranteed that the folding effect on the paper boards cannot generate accidental deformation.

The invention relates to the technical field of cosmetics, and discloses a retractable cosmetic display stand, which includes four telescopic frames, and bases are fixedly installed on the bottom of the four telescopic frames, and the telescopic frames include three-section telescopic rods, the middle The insides of the telescopic rods below and below are all provided with telescopic slots. When the retractable cosmetic display rack is unfolded, the entire cosmetic display rack is pulled upwards, and the telescopic rods at the top and middle will move upwards inside the telescopic slot. The card bar will be stuck inside the card slot. When folding, by pressing down on the entire cosmetic display stand, when the card bar bears a certain force, it will shrink inside the positioning slot. This method is effective for the entire cosmetic display stand. The cosmetic display rack has been shrunk and folded, which effectively reduces the occupied space and improves the convenience of handling.

The invention discloses a foldable iron stand used for high school chemical experiments, comprising a placing platform, a first vertical pole and a second vertical pole. The upper surface of the placing platform is fixedly connected with the bottom of the first vertical pole. One side of the top of the pole is fixedly connected with a cylindrical first rotating shaft, the other side of the top of the first pole is provided with a chute, and one side of the first pole close to the chute is provided with a support plate, and the support plate is close to the chute. One side of the first vertical rod is fixedly connected with a sliding block adapted to the chute, and the sliding block is clamped in the sliding groove, a through hole is opened on the support plate, and a fixing buckle is sleeved on the second vertical rod to fix One side of the buckle is threadedly connected with a screw. The foldable iron stand used for high school chemical experiments can effectively fold the first pole and the second pole, which saves space, effectively avoids the iron stand from scratching others, has good folding effect, and works more efficiently. Stable, more convenient to use, and good practical performance.

The invention relates to an X-shaped-folding tricycle capable of being turned by swinging a handlebar. The tricycle comprises a frame I, a frame II, a folder, a turning shaft, a saddle, a positioning clamp, a front wheel, two rear wheels and a driving mechanism; the folder comprises a lower blade, an upper blade, a lock hook, a lock hook spring and a positioning bolt; the frame I is formed by welding an inclined strut tube, a connecting tube, a seat tube, a five-way tube and a front fork, the lower blade is welded to the frame I, the front wheel is installed on the front fork, and the saddle is installed in the seat tube; the frame II is formed by welding a U-shaped elbow, a drum, the handlebar, an upper connecting piece, a left lug piece and a right lug piece, the upper blade is welded to the frame II, two bearings are inlaid in the drum, the upper connecting piece is connected with the positioning clamp, and the lower blade and the upper blade are rotationally connected with the lock hook; the turning shaft is formed by welding a rear axle and a turning base, a left tension spring and a right tension spring are connected with the two edges of the turning base respectively and connected with the left lug piece and the right lug piece respectively, the rear wheels are installed at the two ends of the rear axle respectively, and the driving mechanism is composed of a center shaft, cranks, a chain wheel, pedals, a flywheel and a chain.

The invention discloses a slide-up door railway boxcar and application. The problem that a wagon is small in door hole opening degree and not beneficial for mechanical operation in the prior art is solved. The slide-up door railway boxcar has the advantages of lifting a door plate, ensuring the large door hole opening degree and convenient to open and close. According to the scheme, the slide-up door railway boxcar comprises a car body, a slide-up door mechanism and a lifting part, wherein the car body comprises a plurality of door posts which are longitudinally and evenly distributed, the slide-up door mechanism is arranged between the two adjacent door posts, the slide-up door mechanism comprises a slide-up door body and a lifting part, the slide-up door body comprises a foldable or bendable door plate arranged on the two sides of the railway boxcar, guide rails are arranged on the two sides of the door plate and fixedly connected with the door posts, the lifting part drives the doorplate to move along the guide rails, and therefore the door plate is folded or bent to be opened on one side or two sides of the railway boxcar to form a door hole.

The invention belongs to the field of clothing, and particularly relates to a method for processing a shoulder-type garment, which comprises a front piece, a back piece, a large sleeve and a small sleeve. The method features that when shoulder end of shoulder punching protrudes forward and shoulder punching amount is a certain value, back sleeve cage folds shoulder punching amount, front sleeve cage unfolds shoulder punching amount, back sleeve cage folds shoulder punching amount and front sleeve cage unfolds shoulder punching amount. Front split collar reduced by 25% shoulder punch, rear split collar increased by 15% shoulder punch. A method for divide and transferring garment part template, effective deployment and folding according to the extent of the body 's shoulder-flushing shape. As that shoulder and the neckline are worn more smoothly, the shoulder end point are worn with a comfortable feeling of no pulling, the defects such as pulling, tilting and twisting of the shoulder-punching body-type wearing garment, the back collar arch and the like are solved, the garment is more in conformity with the shoulder-punching body-type group, meets the needs of consumers for clothing fit and aesthetics, and has wide popularization and use value.

The invention discloses a coaxial type super remote distance fold-back low-light ranging night vision big camera lens and relates to the field of imaging devices. The coaxial type super remote distance fold-back low-light ranging night vision big camera lens comprises a convexo-plane first lens, a concavo-convex second lens which is provided with a single-sided negative refraction capacity and a center single-sided reflection capacity, a hollow concave third lens with a single-sided reflection capacity, a convex-concave bonding lens arranged at the hollow center of the third lens, a laser emission camera lens which is coaxial with the first lens and arranged on an objective image end, and a laser receiving mirror which is coaxial with the third lens and is arranged on the imaging end, wherein the convexo-plane first lens, the concavo-convex second lens, the third lens, the convex-concave bonding lens, the laser emission camera lens and the laser receiving mirror are arranged from the objective image end to the imaging end in a co-optical-axis mode. The coaxial type super remote distance fold-back low-light ranging night vision big camera lens provides multiple refraction and reflection for a light path so that the light path is effectively folded, effectively reduces focal ratio under the condition that the length of the camera lens system is not increased and fewer lens groups are used; meanwhile, provides the laser emission lens and the laser receiving lens for ranging, provides a ranging function besides observation, achieves the effect that the ranging directivity and the observation are coaxial, combines night vision and the ranging function into one machine, and is low in costs and convenient to carry.

The invention particularly relates to a support device with a charging function. The support device is connected to electronic equipment and comprises a support structure, a clamping structure and a charging module, wherein the shape of the support structure can be changed; the clamping structure is arranged on a supporting part and is used for placing the electronic equipment; the charging module is arranged on the supporting part and is used for supplying power to the electronic equipment positioned in the clamping structure. The foldable support device adopts a special structure, has three use states and is novel in modeling and convenient to carry; meanwhile, the support device has multifunctional functions of charging, serving as a supporting frame and selfie stick and the like.

The invention belongs to the technical field of crepe paper packaging, and provides an automatic packaging device for colored crepe paper. The automatic packaging device for the colored crepe paper comprises a bearing frame, an adjusting roller, a paper pressing roller, a labeling device and a folding device; the labeling device comprises an eccentric member, a driven member, a rotating plate anda circulating moving device; the folding device comprises a paper bearing device, a drawing device, an edge folding device, a compacting device and a discharging device; and the discharging device comprises a moving rail and a clamping device located on moving rail, the clamping device comprises an upper clamping plate and a lower clamping plate, wherein the upper clamping plate and the lower clamping plate are connected through a shaft, and an air cylinder is arranged on at the end part of the lower clamping plate. The cutting, edge-folding and discharging compacting of the crepe paper can beeffectively achieved, the working efficiency is improved, and the labor cost is reduced.

A telescopic rotating handlebar type folding electric bicycle comprises a telescopic rotating handlebar, a front fork lever, a front frame, a folding main part, a rear fork lever, a saddle pipe, a saddle, a battery box, peddles, a front wheel, a rear wheel and an electric driving system. The telescopic rotating handlebar is connected with the front fork lever and the front frame and composed of a left handlebar, a right handlebar, an upper lock part, a lower lock part and a pull handle. The front frame is composed of a rotating component, a front beam and a locking connection mechanism, the folding main part comprises a folding box and a connecting rod, the folding box and the connecting rod are both connected with the front beam, the rear fork lever comprises a rear fork and a dragging wheel, the rear fork is welded to the rear side of the folding box, and the dragging wheel is located at the rear end of the rear fork. The lower portion of the saddle pipe is connected with the folding box and the connecting rod, the battery box is connected to the saddle pipe, the peddles are connected to the two sides of the folding box, the front wheel is mounted on a front axle, and the rear wheel is mounted on the rear fork. The electric driving system comprises a motor, a battery, a controller and a control switch.

The invention relates to a handle-foldable vibration-avoiding type portable electric scooter which comprises a convenient foldable handle, a front fork, a front bracket, a lower connecting rod, an upper connecting rod, a middle beam, a quick disassembling component, a rear fork, a pedal, a front wheel, rear wheels and an electric driving system, wherein the convenient foldable handle is composed of a left handle, a right handle, an upper locking connector, a left locking connector, a right locking connector, a folding base component and two handle positioning components which are connected with each other; the front bracket is composed of a front connector, a rotating part and a rear connector which are connected with each other; the lower connecting rod and the rear connector are connected with front horizontal holes of a connector; the upper connecting rod and the rear connector are connected with the connector; the middle beam is composed of a beam tube, the connector and a bevel lock sheet which are connected with each other; the quick disassembling component is connected with the rear end of the lower connecting rod and is locked on the bevel lock sheet of the middle beam; the rear fork is composed of two rear fork sheets, a vibration-avoiding connecting sheet and a vibration-avoiding block; the rear fork is connected with a rear end part of the middle beam; the pedal is connected with the middle beam; the front wheel is arranged on the front fork; the rear wheels are arranged at the rear ends of the two rear fork sheets; the motors are arranged on the rear wheels; a battery and a controller are both arranged in the beam tube of the middle beam.