119results about How to "Reduce folding" patented technology

The invention provides an automobile vehicle rearview mirror folding system which is used for controlling the folding and unfolding of a rearview mirror outside a vehicle according to the vehicle ambient environment information detected by an environment sensor of the vehicle. The system comprises a target object detecting module, a collision risk detecting module, a rearview mirror state detecting module and a rearview mirror control module. According to the automobile vehicle rearview mirror folding system, the capability of the vehicle of processing sudden accidents and obstacles can be improved due to a corresponding model library and an analysis library which are built in advance; the collision probability of the rearview mirror is reduced, so that the fragment damage to the rearview mirror after being collided is avoided.

A light folding bicycle is mainly composed of a handle (1), a steering rod (15) installed below the handle, a pedal (21), a front wheel (23), a rear wheel main frame (30), rear wheels (32), a seat frame (9), a damping device, other frames and a supporting frame and is characterized in that a vertical frame (6) in hinge connection with the steering rod (15) is arranged on the back side of the steering rod (15), the portions, on the two sides of a front-section fork entry (12), of the rear wheel main frame (30) are connected to folding sliding rail grooves (5) in the upper section of the vertical frame (6) in a sliding mode, the frames are connected through hinging shafts, and the supporting frame is connected with the frames through hinging shaft; the rear wheel main frame (30) can slide upwards along the folding sliding rail grooves (5) in the vertical frame (6) and other frames can be folded towards the vertical frame (6) with the rear wheel main frame (30) as the center by pulling a self-locking device (14) outwards and lifting it up, and in this way, the frames can be folded quickly, and the whole bicycle is more compact, smaller in size and more convenient to carry after being folded.

The invention discloses a 6-inch portable folding bicycle. The 6-inch portable folding bicycle comprises a connecting rod mechanism, a seat tube, a saddle, a rear fork, a bicycle body front framework, a front fork, handlebars, a front wheel, a rear wheel and a driving mechanism, and is characterized in that: the connecting rod mechanism is a fourfold connecting rod which consists of a main folding box, a front folding piece, a connecting rod and the seat tube, and is provided with a five-way tube, a semicircular locking shaft, a locking shaft handle, a safety fastener and a backer; the five-way tube is used as a shaft between the main folding box and the front folding piece; a middle shaft is arranged in the five-way tube; the bicycle body front framework is connected with the front folding piece; the rear fork is connected with the main folding box; the front fork is rotatably connected with a front head tube; the handlebars comprise a V-shaped folding handlebar and a folding handlebar vertical tube; the folding handlebar vertical tube is connected with the front fork; the V-shaped folding handlebar is arranged on the folding handlebar vertical tube; the diameters of the front wheel and the rear wheel are 6 inches; the front wheel is arranged on the front fork; the rear wheel is arranged on the rear fork; the rear wheel is connected with a small chain wheel; the rear part of the saddle is provided with an opening; and the driving mechanism comprises a middle shaft, two cranks, two pedals, a front-stage chain wheel, a front-stage passive chain wheel, a flywheel, a front-stage chain and a rear-stage chain.

The invention provides a quick, foldable and portable electric pedal bike which comprises a bike body, a front pipe, a supporting frame, a front fork, a V-shaped foldable handle, a front wheel, a rear wheel, a manual driving mechanism and an electric driving system, wherein the bike body comprises a main component, a rear fork, a foldable rear blade, a bike cross, a shaft fixing component and a hoop sheet; the main component is connected with the rear fork, the foldable rear blade and the shaft fixing component, and further connected with the supporting frame; the bike beam is connected with the foldable rear blade and the front pipe; the front pipe is connected with the supporting frame; the V-shaped foldable handle is connected with the front fork, and the front fork is connected with the front pipe; the front wheel is mounted on the front fork, while the rear wheel is mounted on the rear fork; the manual driving mechanism further comprises a locating shaft, a foot bar, an engaging lug, a pedal, a crank, a swinging blade, a front-stage gear, a rear-stage gear, a chain wheel, a flywheel and a chain; the electric driving system comprises a motor, a vehicle battery, a battery box, a controller and a control switch, wherein the motor is assembled on the rear wheel; the vehicle battery and the controller are all arranged in the battery box that is fixed on the rear fork.

The invention relates to a portable two-wheel electric bicycle comprising a frame front part, a frame rear part, a frame folder, a front fork, a folding vertical tube, folding handlebars, a manpower driving mechanism, an electric driving system, a front wheel and a rear wheel. The portable two-wheel electric bicycle is characterized in that the frame rear part comprises a frame box, a box cover and a rear fork, the folding vertical tube is connected with the front fork, the folding handlebars are mounted on the folding vertical tube; the manpower driving mechanism comprises a positioning shaft, a crankshaft, swinging sheets, pedal rods, pedals, a first gear, a second gear, a chain wheel, a flywheel and a chain; the positioning shaft is fixed at the front part of the frame box, the crankshaft is mounted at the lower-right part of the positioning shaft, both ends of the crankshaft are connected with the two swinging sheets which are connected with the two pedal rods, the pedal rods are respectively sleeved at both ends of the positioning shaft and provided with the two pedals, the first gear is fixed on the crankshaft, the second gear and the first gear are meshed and coaxially connected with the chain wheel, the chain is wound around the chain wheel and the flywheel of the rear wheel; and the electric driving system comprises an electric motor, vehicular batteries, a controller and a control switch, the electric motor is arranged on the front wheel, and the vehicular batteries and the controller are arranged in the frame box.

The invention discloses a preparation method of a thick slab of a chamfer titanium alloy. The preparation method comprises the following steps: 1, cogging-forging a titanium alloy ingot to obtain a titanium alloy forging stock; 2, carrying out intermediate forging on the titanium alloy forging stock 2-3 heating times; 3, upsetting and stretch-forging the intermediate forged titanium alloy forging stock, shaping, chamfering edges on the upper surface and the lower surface of the shaped titanium alloy forging stock, and shaping to obtain a slab; and 4, machining the slab to obtain the chamfer titanium alloy with the thickness of 180-400mm. According to the invention, the large size chamfer titanium alloy slab with the thickness of 180-400mm can be prepared by adopting multi-heating and a manner combining repeatedly upsetting and stretching. By adopting the titanium alloy slab prepared with the method of the invention to roll, the edge folding of a sheet material can be reduced, so the cutting loss of the sheet material head, the sheet material tail and sheet material side surfaces is reduced, the sheet material rolling yield is improved by 5-8%, and the production cost is substantially reduced.

A portable four-wheel treadmill comprises a vehicle body, a direction handle mechanism, a foot power driving mechanism and a transmission moving mechanism. The treadmill is characterized in that: the vehicle main body is a trough-shaped stamping part; and the direction handle mechanism comprises a foldable handle, a foldable frame and a direction linkage. Using the vehicle main body as the stamping part can improve the production efficiency and precision; using the foldable handle and foldable frame ensures that the vehicle is folded smaller, and using the direction linkage and four-wheel structure makes it steadier to drive the vehicle.

The invention discloses a method for producing hot-rolled strip steel with the thickness being smaller than or equal to 1.2 mm through thin slab continuous casting and rolling. The method comprises the following steps that (1) steelmaking is conducted, specifically, strip steel is smelted in a converter, refined outside the converter and subjected to continuous casting to be a billet, and the thickness of the continuous casting billet is 52-55 mm; (2) heat uniformizing is conducted, specifically, the tapping temperature of the continuous casting billet is 1200-1220 DEG C; (3) descaling is conducted, specifically, the continuous casting billet after heat uniformizing is subjected to high-pressure descaling; (4) finish rolling is conducted, specifically, the continuous casting billet entersa finish rolling unit to be rolled through the flying gauge change technology, rolling reduction of flying gauge change is 50-200 [mu]m, the rolling timing sequence of flying gauge change is the distance away from the head of the strip steel by 80-150 m, the final rolling temperature is 840-860 DEG C, and the continuous casting billet is rolled through the finish rolling unit to form thin-specification strip steel; and (5) coiling is conducted, specifically, the thin-specification strip steel is cooled through a laminar flow and coiled, and the coiling temperature is 610-630 DEG C. The smallest thickness of the hot-rolled strip steel produced through the method is 0.8 mm, threading is stable, and the folding and rolling-breaking phenomena are not prone to occurring.

The invention provides an air separation process and device for improving air separation efficiency and reducing the damage ratio of materials and an air separation system with simple structure, high air separation efficiency and accuracy and low damage ratio. According to the invention, the traditional discharging form is changed into a mesh-belt type structure, and a mounting form is a vertical downward side discharging form; a screen cylinder of a feeder is replaced to realize material-device separation, so that the wind resistance is reduced, and the homogeneousness of a wind field is improved; a filter material mesh belt is used for conveying and discharging, so that the damage and the folding of tobacco leaves caused by squeezing of a cross gate of the feeder can be effectively reduced; the operating speed of the mesh belt is about 1.5m / s, a rectification detection mechanism and a rectification mechanism are arranged in the operation of the mesh belt, so that the rotation speed of the mesh belt can be reduced due to the form, the discharge is increased, and the operating reliability is enhanced; and an air outlet pipe is provided with an air distribution valve, so that the homogeneousness of a wind field for air separation is ensured, no damage exists when in discharging, and a flexible blanking function is realized. Therefore, the air separation quality and the air separation efficiency are effectively improved, and the considerable discharge quality with low damage ratio is realized.

A hybrid motorsport garment is provided. The garment includes at least one leg covering and a knee padding and protective assembly. The knee padding and protective assembly includes a knee frame and a cylindrical shaped object.

The invention discloses a drying device used for textile printing and dyeing. The drying device comprises a device body, a movable bin door, a feed port, a discharge port, a material guide mechanism,a partition plate, a drying mechanism, a flow guide mechanism and a waste heat collection device. Compared with the prior art, the drying device is simple in structure and reasonable in design; textiles are tensioned through the arranged material guide mechanism; hot gas flow is guided into the waste heat collection device through the arranged flow guide mechanism and the arranged waste heat collection device; and waste heat in the hot gas flow is effectively utilized. Furthermore, condensed liquid drops can also be guided out through the flow guide mechanism, it is avoided that because the liquid drops drop to the textiles, the drying effect is influenced, and the drying device is worthy of popularization.

A method of producing a touch screen includes feeding and laminating a roll of an adhesive sheet material to bond a sheet glass, a roll of a first sheet material having first electrodes, and a roll of a second sheet material having second electrodes; pinching and pressing the laminated sheet materials between a pair of press rollers to form a laminated body of the bonded sheet materials. When being fed, the sheet materials are cut off at a predetermined length corresponding to a lateral size of a rectangular touch screen, and thus the sheet materials can be provided in a predetermined size in one cutting process. Rolling the sheet materials reduces wrinkles and folds and eliminates a protection sheet for each sheet material, which is required in a case of stacking a plurality of planar sheets, thus facilitating cost reduction.

The invention provides an automatic sewing device that belongs to the field of mechanical technology. The device resolves the following problems in prior sewing machines: Brackets stopping cloth during sewing, complex structure and single function of sewing unit and etc. The automatic sewing device comprises an upper mechanism for sewing, a lower structure matched with the upper structure, a cutting knife assembly and a bracket to suppor the upper structure and the lower structure; both the upper structure and the lower structure are independent units; moreover, the upper casing and the lower casing are respectively arranged with at least one upper fixing surface and one lower fixing surface to fix on the bracket; the upper casing of the upper structure is positioned with a groove-shaped breach, so that a thread take-up rod can be put through; all the three independent units of the upper structure, the lower structure and the bracket are combined into one integral body, or a unit integrated structure. The automatic sewing unit can fulfill different functions through combination with suitable parts and accessories according to types of cloth and stitches or demands.

The invention provides a mold for forging and producing an aluminum alloy control arm, and the mold is composed of an upper mold (4), a guide column (3) and a lower mold (2). The beneficial effect of the present invention is that, by designing the connection, guide and positioning structures of the mold design, the requirements of the automatic production of the control arm can be met, and the production of multiple pieces in one mold can be realized.

The invention discloses a hot forming process of a train wheel with a large difference between reverse spoke plate and rim plate distance. The hot forming process comprises a preforming working step,a forming working step, a rolling working step and a bending working step; a forming blank is rolled by a left spoke plate roller matching with a right spoke plate roller in the rolling working step;the right spoke plate roller includes a first working surface of a right roller and a second working surface of the right roller, the first working surface of the right roller contacts with the forming blank, the second working surface of the right roller is spaced with the forming blank, so that metal flow towards the outside of the rim surface. According to the hot forming process of the train wheel with the large difference between reverse spoke plate and rim plate distance, in rolling process, large gap is left between the right spoke plate roller which is far from the deep rim plate and the forming blank, so that the metal can slowly flow to the outer rim, the possibility of outer rim surface folding is reduced, and the passing rate of hot forming of train wheels is improved.

The invention discloses a guide mechanism for reducing the folding of an adhesive tape in a box sealing process. The guide mechanism comprises a rack, a transmission belt, guide forks, compressing rolls and a movable plate, wherein the transmission belt is moved on the rack through a transmission mechanism; the guide forks are respectively arranged at the two sides of the transmission belt; the guide fork at one side is fixedly mounted on the rack and the guide fork at the other side is fixedly mounted on the movable plate; the movable plate is mounted on the rack through a slide rail subassembly and the compressing rolls are arranged at the two sides of the transmission belt. According to the invention, in the process of sealing a smoke box, the smoke box can be guided in a fixed direction and the swinging of the smoke box in the process of sealing the smoke box is reduced to the greatest extent, thereby reducing the phenomena that the adhesive tape is folded, the smoke box is inclined, scratches are formed on the surface of the smoke box, corners of the smoke box are knocked, code-sticking positions are deviated, the smoke box is not sealed by the adhesive tape and the like, which are brought about by swinging of the smoke box; and the factory image and the brand image are greatly improved.

The embodiment of the invention provides a welding method and device for a flexible circuit board and a printed circuit board. The welding method comprises the steps of bonding a reinforcing plate onthe flexible circuit board through glue to obtain a surface assembly type device; welding the surface assembly type device on a first circuit board by using a surface assembly technology so as to weldthe flexible circuit board with the first circuit board; and stripping the reinforcing plate and the glue from the surface assembly type device to obtain an interconnection device of the flexible circuit board and the first circuit board. By implementing the embodiment of the invention, the layout space occupied by the interconnection product between the soft board and the hard board can be reduced.

The invention discloses a hose winding device and a winding method. The hose winding device comprises a bottom plate, a detection mechanism, a wire arranging mechanism and a controller, wherein a winding mechanism is arranged on the bottom plate, and the winding mechanism comprises a winding disc arranged on the bottom plate and a motor for driving the winding disc to rotate; the detection mechanism is arranged in the radial direction of the winding disc, the detection mechanism comprises a detection support and a photoelectric switch set, and the height of a hose in the detection support is detected; the wire arranging mechanism is arranged on the bottom plate, and the wire arranging mechanism is arranged between the detection mechanism and the winding disc; and the controller is electrically connected with the photoelectric switch set, when the photoelectric switch set senses the hose, the photoelectric switch set sends a photoelectric detection signal to the controller, the controller sends a rotation control signal to the receiver according to the received photoelectric detection signal so as to control the rotation speed of the winding disc. According to the hose winding device and the winding method, the rotating signal can be sent to the controller according to the detected height, so that the possibility that the hose is folded or laminated is reduced, the possibility that the hose is pulled off is reduced, and the hose winding device can be stably rolled.

The invention discloses a preparation method of a thick slab of a chamfer titanium alloy. The preparation method comprises the following steps: 1, cogging-forging a titanium alloy ingot to obtain a titanium alloy forging stock; 2, carrying out intermediate forging on the titanium alloy forging stock 2-3 heating times; 3, upsetting and stretch-forging the intermediate forged titanium alloy forging stock, shaping, chamfering edges on the upper surface and the lower surface of the shaped titanium alloy forging stock, and shaping to obtain a slab; and 4, machining the slab to obtain the chamfer titanium alloy with the thickness of 180-400mm. According to the invention, the large size chamfer titanium alloy slab with the thickness of 180-400mm can be prepared by adopting multi-heating and a manner combining repeatedly upsetting and stretching. By adopting the titanium alloy slab prepared with the method of the invention to roll, the edge folding of a sheet material can be reduced, so the cutting loss of the sheet material head, the sheet material tail and sheet material side surfaces is reduced, the sheet material rolling yield is improved by 5-8%, and the production cost is substantially reduced.

The invention relates to a mini portable folding bicycle, which comprises a bicycle body, a folder, a rear fork, a bicycle seat, a front fork, a V-shaped folding handlebar, a front wheel, a rear wheel and a driving mechanism, wherein the bicycle body is connected with the folder; the folder is connected with the rear fork; the bicycle body is connected with a folding seat pipe of the bicycle seat; the folding seat pipe is connected with a bicycle saddle; the V-shaped folding handlebar is formed by a handlebar substrate, left and right shafts, left and right handlebars, left and right quickly-disassembled components, an anchor sheet, a security buckle, a knob and an inner stretching pipe; the driving mechanism is formed by a middle shaft, two cranks, two pedals, a front-level chain wheel, a front-level small chain wheel, a rear-level chain wheel, a front-level chain, a rear-level chain and a flywheel; the front frame is connected with a front piece of a folding substrate; the front fork is connected with a head pipe of the bicycle body; the V-shaped folding handlebar is connected with the front fork; the front wheel is arranged on the front fork, and the rear wheel is arranged on the rear fork; and the front-level small chain wheel and the rear-level chain wheel of the driving mechanism are arranged on a folding shaft of the folder.

The present invention relates to a portable foldable bicycle, which presents no troubles even on a trolleybus or a bus. A folding mechanism (3) which can be rotated around a transverse shaft connects a pillar (1) with a wheel carriage (2), so that the bicycle can be rotated around a posteroanterior shaft, the wheel carriage (2) is provided with a jointing mechanism (4) which can be rotated around the posteroanterior shaft, and a rear wheel can rotate around the wheel carriage (2) as an axis and is fixed.

The invention discloses a foldable wheelchair for self-movement of the disabled The foldable wheelchair includes wheels, a braking device, a cushion, a backrest and a wheelchair rack which can be switched between a folded state and an unfolded state; the back of the wheelchair rack is provided with plug holes, the backrest is detachably connected with the wheelchair rack through the plug holes and comprises a backrest body and a connecting head located at the lower portion of the backrest body, the backrest body is hinged to the connector, and the backrest is provided with a control switch for controlling the backrest body to rotate. The disabled users can rotate the backrest body through the control switch, and the control switch rotates the backrest body to make the end portion of the backrest body lean on the edge of a bed or the edge of a seat of a vehicle, so that a bridge for people to pass is formed, and the disabled users can move to the bed or the vehicle on their own through the bridge. The backrest of the foldable wheelchair is provided with a movement assisting mechanism, and the movement assisting mechanism can drive the disabled users to move forth and back and help the users to get on or off the vehicle or get on or off the bed.

The invention discloses a large-wall-thickness seamless steel tube super-long upsetting device and a using method thereof, which belong to the technical field of steel pipe upsetting. According to thescheme, a seamless steel pipe is subjected to super-long heating; the heating part of the seamless steel pipe is not easy to bend; the folding phenomenon of the inner wall of the seamless steel pipeis reduced; after seamless steel tube upsetting forming, cooling water in a water tank is sprayed out through a spray head to form cooling water mist; a movable mold and the seamless steel pipe are cooled; water subjected to heat exchange is collected through a return pipe; water is pumped into the water tank through a water pump; water in the water tank is recycled; liquid nitrogen in a liquid nitrogen box circularly flows in a spiral pipe through a pneumatic pump; high-temperature water is cooled; nitrogen formed after heat exchange is pressurized through an infusion pump, so that nitrogen is pressurized and liquefied again; and by means of the property that a memory alloy ring is prone to deformation at a low temperature, the seamless steel pipe can be taken more conveniently after forming is completed.

A portable four-link folding up- and down-pedaling bicycle comprises a four-link folding bicycle beam, a front head pipe, a rear inclined pipe, a seat pipe, a saddle, a front fork component, a rear frame, a V-shaped folding handlebar, a front wheel, a rear wheel and a driving mechanism, wherein the four-link folding bicycle beam is formed by connecting a folding seat, a front beam pipe, a rear beam pipe, a rotating vane, a groove-shaped folding piece, a thick-walled round pipe, a bicycle beam locking hook and links; the four-link folding bicycle beam is welded on the front head pipe and the seat pipe; the rear inclined pipe is welded on the seat pipe; the rear frame is welded on the rear inclined pipe; the rear wheel is mounted on a left rear fork piece and a right rear fork piece of the rear frame; the driving mechanism is mounted on a bearing support and a positioning shaft of the rear frame; the front fork component comprises a front wheel fork and a front fork pipe fitting; the front wheel fork can be folded with the front fork pipe fitting; the front fork pipe fitting is rotationally connected with the front head pipe; the lower end of the front wheel fork is connected with the front wheel; the saddle is arranged on the seat pipe; the V-shaped folding handlebar is connected with a front wheel frame; and the driving mechanism comprises a left crankshaft, a right crankshaft, a crankset, two pedal levers, two pedals, a flywheel and a chain.

The invention discloses an extendable medical treatment pushing cart. The cart comprises a medical treatment pushing cart body and a mattress, a hand rail is connected with the left side of the medical treatment pushing cart body, a handle is connected with the lower end of the hand rail, the mattress is arranged on the upper surface of the medical treatment pushing cart body, support legs are connected with the lower end of the medical treatment pushing cart body, pulley wheels are mounted on the lower ends of the supports legs, brakes are mounted on the front part of the pulley wheels, rubber tires are connected with the outer surface of the pulley wheels, assisting drawing strings are connected with the left side and the right side of the middle part of the medical treatment pushing cart, assisting pulling rings are connected with the lower end of the assisting drawing strings, an extendable subframe is arranged on the lower part of the right side of the medical treatment pushing cart body, an extendable subframe guide rail is mounted on the upper part of the extendable subframe, and an electric motor is mounted on the right end of the extendable subframe. The extendable subframe is arranged on the extendable medical treatment pushing cart, so that the area can be increased or decreased easily and freely, space resources can be effectively saved in the use process, and the utilization efficiency is increased.