153results about How to "Fold valid" patented technology

The invention provides a portable box type electric bicycle capable of rapidly folding a locking handle in a hand pulling manner. The portable box type electric bicycle comprises a box body linkage folding mechanism, a front frame, a bicycle seat, a front fork, a V-shaped folding handle, a front wheel, a back wheel, a manual driving mechanism, an electric driving system and a cover. The portable box type electric bicycle is characterized in that the box body linkage folding mechanism is formed by connecting a folding blade and a seat base with a folding box, connecting the both ends of a connecting rod with the folding blade and the seat base, connecting a semicircular lock shaft with the folding box, connecting a locking handle with the semicircular lock shaft, and connecting a bicycle frame with the both edges of the folding box; a bicycle beam is connected with a middle shaft, a secondary shaft and the back wheel; the front frame is connected with the folding blade; the bicycle seat is connected with the seat pipe; the front fork is connected with the front frame; the V-shaped folding handle is connected with the front fork; the front wheel is mounted on the front fork; a crank and a fore-small chain wheel and a post-chain wheel are connected with the secondary shaft; a flywheel is connected with the back wheel; the electric driving system comprises a motor, a vehicle battery, a controller and a control switch; the motor is configured on the back wheel; the vehicle battery and the controller are placed in a front pipe piece; and the cover is fixedly connected between the both sides of the bicycle beam.

The invention discloses a multi-angle folding flat table for smart home. The multi-angle folding flat table for the smart home comprises a base. A limiting tube is welded at the top of the base, and the inner wall of the limiting tube is in sliding connection with a lifting seat. A first lifting groove is formed in the bottom of the lifting seat, and the inner walls on two sides of the first lifting groove are in rotating connection with gears. A plurality of clamping grooves are symmetrically formed in two sides of the lifting seat. A drive motor is fixedly mounted on the top of the base andlocated in the first lifting groove. The flat table is simple and practical. The drive motor can be started to drive a first bevel gear to rotate to further drive a second bevel gear to rotate. When the second bevel gear rotates, a take-up shaft can be utilized to drive a second tabletop to rotate to fold the tabletop effectively, the tabletop can be driven to move downwards, the space can be saved effectively, and certain convenience is achieved.

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 lens, in particular to a light distribution lens which comprises a lens body, wherein a central reflection area is arranged on the lens body; light rays sent by a light source enter the lens body through the central reflection area; at least part of small-angle light rays are projected onto the central reflection area after entering the lens body and reflected into an outer ring reflection area by the central reflection area; the reflected light rays are reflected into a light-out area by the outer ring reflection area and further refracted by the light-out area to come out of the lens body. In the scheme of the invention, light rays of the central part of the light source can be controlled and regulated flexibly through the central reflection area and the outer ring reflection area, so that the light ray controllability of the central part of the light source can be improved; when achieving the same illuminating effect, the light distribution lens has the following advantages compared with the conventional normal lens: the optical aperture and the optical height of the lens are decreased, the material cost and the manufacturing difficulty of the lens are reduced, the injection molding difficulty and the contraction risk are reduced, and the design and illumination effect of the lens is ensured.

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 high-degree-of-freedom mechanical arm. The high-degree-of-freedom mechanical arm comprises a support part, a big arm, a small arm and a gripper part, wherein the support partis connected with one end of the big arm through a first joint, the other end of the big arm is connected with one end of the small arm through a second joint, and the other end of the small arm is connected with the gripper part; the support part comprises a base, a locking block, a rotating seat and a connecting arm, the rotating seat is fixed on the base and is driven by a first motor, the locking block is fixed on the side surface of the base, one end of the connecting arm is fixed on one side of the upper part of the rotating seat, the first motor is fixed on the other side of the upperpart of the rotating seat, and the other end of the connecting arm is connected with the first joint; and a second motor is arranged in the first joint, and the first joint is driven by the second motor. The mechanical arm is simple in structure, high in degree of freedom, wide in application range and high in safety and has good market application values.

The invention relates to the technical field of cosmetics and discloses a retractable cosmetic showing stand. The retractable cosmetic showing stand comprises four telescopic racks, wherein bases arefixedly mounted at bottoms of the four telescopic racks; each telescopic rack comprises three telescopic rods, and telescopic grooves are formed in the telescopic rods in the middle and the lower part. According to the retractable cosmetic showing stand, the whole cosmetic showing stand is lifted upwards during unfolding, the telescopic rods at the upper parts and the middles move upwards in the corresponding telescopic grooves, and clamp rods can be clamped in clamp grooves by reset springs when the cosmetic showing stand is unfolded to a certain degree; during folding, the whole cosmetic showing stand is pressed downwards, and the clamp rods can retract in positioning grooves when bearing certain force; with the scheme, the whole cosmetic showing stand is retracted and folded effectively, occupied space is reduced effectively, and carrying convenience is improved effectively.

The invention provides unequal-thickness glass and a processing technology thereof; the glass is flat glass with a strip-shaped groove on one surface, and the distance from the bottom of the groove to the surface far away from the groove is less than 0.1 mm. According to the unequal-thickness glass and the processing technology thereof, the strip-shaped groove is formed in the middle of the plate glass, and the thickness of the thinnest part of the plate glass reaches 0.1 mm or below through the strip-shaped groove, so that the glass can be used as a folding groove, and the defect that the plate glass cannot be effectively folded is overcome; and through the processing technology, the defect that the existing ultra-thin glass production is difficult to realize in batch production is overcome.

An extensible-rotating-handle portable bike comprises an extensible rotating handle, a front fork rod, a front frame, a middle frame, a rear frame, a seat, a front wheel, a rear wheel and a driving mechanism. The extensible rotating handle is composed of a left handlebar, a right handlebar, an upper lock member, a lower lock member and a pull handle, the front frame is formed by connecting a rotating member with a front beam, the middle frame is formed by connecting a double-beam pipe, a first double-pipe sleeve, a rear pipe sleeve, a five-way pipe, a folding piece, a first lock hook member and two shockproof polyurethane blocks, and the rear frame is composed of a left rear fork pipe, a right rear fork pipe, a second double-pipe sleeve and foot supports; the saddle is formed by connecting a seat pipe, a saddle folding member, a second lock hook member, a seat rod, a saddle and a folding positioning clamp, the front wheel is mounted to a front axle, the rear wheel is mounted to the rear frame, and the driving mechanism comprises a middle axle, two cranks, a chain wheel, two pedals, a front-stage small chain wheel, a rear-stage chain wheel, a flywheel, a front-stage chain and a rear-stage chain.

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.

A three-folding portable bicycle provided with a telescopic rotating handle comprises the telescopic rotating handle, a front fork lever, a front frame, a main folding assembly, a folding rear fork assembly, a seat tube, a saddle, a front wheel, a rear wheel and a driving mechanism, wherein the telescopic rotating handle is connected with the front fork lever and the front frame and comprises a left handle, a right handle, an upper locking part, a lower locking part and a pull handle; the front frame comprises a rotating component, a front beam and a locking joint mechanism; the main folding assembly comprises a folding box and a connecting rod, and the folding box and the connecting rod are connected with the front beam; the folding rear fork assembly comprises a rear fork front lever, a folder, a bottom bracket, a left rear fork and a right rear fork, the rear fork front lever is welded with the folding box and the folder, the bottom bracket is welded with the folder, the left rear fork and the right rear fork, the front wheel is mounted on a front axle, the rear wheel is mounted on the left rear fork and the right rear fork, and the driving mechanism comprises a center shaft, two cranks, a crankset, two pedals, a flywheel and a chain.

The embodiment of the invention discloses a stationary Fourier spectrum apparatus. The stationary Fourier spectrum apparatus includes a front optical structure, a double right angle beam splitter anda back optical structure, wherein the front optical structure includes a triangle flat mirror, a first spherical mirror above the triangle flat mirror, and a slit; the double right angle beam splitterincludes a first trapezoid prism and a second trapezoid prism; the lower bottom surface of the first trapezoid prism and the lower bottom surface of the second trapezoid prism staggered by the presetdistance to paste together to form a beam splitting surface; and the back optical structure includes a second spherical mirror and a cylindrical surface reflector. The stationary Fourier spectrum apparatus is based on the double right angle beam splitter, and utilizes the reflecting structure except for the beam splitter, thus effectively folding the optical path to reduce the volume of the wholesystem and effectively widen the spectral range.

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.

A quick-to-extend-and-contract handlebar socketing-type portable bicycle comprises a quick-to-extend-and-contract rotating handlebar, a front fork, a front frame, a middle beam, a socketing-type connecting member, a dragging wheel, a rear fork member, a saddle, a front wheel, a rear wheel and a driving mechanism. The quick-to-extend-and-contract rotating handlebar is formed by connecting a left handlebar, a right handlebar, an upper lock member, a lower lock member and a handle, the lower lock member is connected with the front fork and the front frame, and the middle beam is connected with the front frame, the socketing-type connecting member and the dragging wheel, and the socketing-type connecting member is connected with the saddle; the saddle comprises a saddle pipe, a lock connecting member, a connecting rod, a saddle body and a folding positioning lock, the socketing-type connecting member comprises a socketing member and a suspension member, the socketing member is connected with the rear fork member, the rear fork member comprises a five-way pipe, a rear fork and a suspension retaining piece, the front wheel is connected to the front fork, the rear wheel is connected to the rear fork, the driving mechanism comprises a middle shaft, two cranks, a toothed disc, two pedals, a flywheel and a chain, and the middle shaft is rotatably connected in the five-way pipe.

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 reflection type eyepiece optical system and a head-mounted near-eye display device. The system comprises a first lens group, a first optical element and a second lens group, wherein the first optical element and the second lens group are used for transmitting and reflecting light from a micro image display; the second lens group comprises an optical reflecting surface, and the optical reflecting surface is an optical surface farthest from the human eye observation side in the second lens group; the optical reflecting surface is concave towards the viewing direction of human eyes; the first optical element reflects the light refracted by the first lens group to the second lens group, and transmits the light refracted by the second lens group, reflected and refracted to human eyes; the first lens group comprises a first sub-lens group, a second sub-lens group, a third sub-lens group and a fourth sub-lens group which are coaxially and sequentially arranged along the optical axis direction from the human eye viewing side to the micro image display side; through the focal length combination of each lens group, the optical path is effectively folded, the overall size is reduced, the aberration is greatly eliminated, and the visual experience with high telepresence is achieved.

The invention discloses an airship with an inflating skeleton expanding in air, which comprises an airship body 1, a tail wing 2, a tail thruster 3, a connecting element 7, a payload bay 8, a solar cell panel 9, a nose cone 10, a first auxiliary rope 11, an automatic inflating device 12, a second auxiliary rope 13 and two high-altitude balloons 14. The airship is characterized in that a dimensional element of the airship body 1 is skin 4, a longitudinal element is a rigid skeleton 5, and an annular element is an inflating skeleton 6; the inflating skeleton 6 is connected with the rigid skeleton 5 by the connecting element; and the skin 4 is fixedly connected on the outer surface of a grid formed by the rigid skeleton 5 and the inflating skeleton 6. The invention overcomes the defect that a soft bag in a folding state and a connecting part of a pod and other rigid structures are easily torn by strong wind and vortex in the lifting process.