59results about How to "Increase the bend" patented technology

The invention discloses a wearable hand rehabilitation training device which can achieve rehabilitation training of human body hands. The wearable hand rehabilitation training device includes: a glove body; the glove body includes a set of bionic muscle strips; each of the bionic muscle strips is internally provided with a plurality of inflatable airbags which are mutually independent; the bionic muscle strips can drive a human body hand to achieved multi-freedom motion such as bending, stretching, retracting inward, expanding outward, and rotating. The wearable hand rehabilitation training device is convenient and comfortable in wearing, can achieve all-round training of fingers, meet disease demands of different patients, and can allow hand functional rehabilitation training of stroked patients.

A method of performing exercise movements utilizesan elongated flexible member having a relaxed position in which the elongated flexible member has a generally arcuate shape. In the method, one end of the elongated flexible member is supported in a substantially fixed position. An opposite end of the elongated flexible member is manipulated such that the opposite end is brought toward the one end substantially in a first plane. With this manipulation, the elongated flexible member is displaced from the relaxed position to a flexed position. The opposite end of the elongated flexible member is rotated in a second plane, different from the first plane, while maintaining the elongated flexible member in the flexed position. In a related method, both ends of the elongated flexible member can be manipulated to the flexed position.

The invention discloses a blockage-preventive floor drain which comprises a cylindrical shell. A plurality of first through holes are formed in the top of the shell, a water drainage port is arranged on the side face of the shell, a first rotating shaft is rotatably arranged at the top of the shell and peripherally provided with a winding rod and an impeller, a first sliding groove is axially formed in the periphery of the first rotating shaft, a plurality of blades are slidably arranged in the first sliding groove and fixed on an annular blade frame, a plurality of second sliding grooves are vertically formed in the inner side of the shell, a sliding strip is slidably arranged in each second sliding groove, and the upper ends of the sliding strips are jointly connected with a sliding ring which is rotatably connected with the blade frame; a fixing plate is arranged in the shell, a spring is arranged between the fixing plate and the sliding ring, a wire winding wheel is arranged at the bottom of the first rotating shaft, an annular third sliding groove is formed in the wire winding wheel, a slider is arranged on the third sliding groove and connected with the sliding strips through stay cords, and an elastic bent piece is arranged on the wire winding wheel. The blockage-preventive floor drain can effectively prevent floor drains and sewer lines from being blocked by hair.

A method of performing exercise movements utilizes an elongated flexible member having a relaxed position in which the elongated flexible member has a generally arcuate shape. In the method, one end of the elongated flexible member is supported in a substantially fixed position. An opposite end of the elongated flexible member is manipulated such that the opposite end is brought toward the one end substantially in a first plane. With this manipulation, the elongated flexible member is displaced from the relaxed position to a flexed position. The opposite end of the elongated flexible member is rotated in a second plane, different from the first plane, while maintaining the elongated flexible member in the flexed position. In a related method, both ends of the elongated flexible member can be manipulated to the flexed position.

The invention discloses a flexible touch panel and a display device. The flexible touch panel comprises a flexible organic electroluminescence display panel, an encapsulation layer for encapsulating the flexible organic electroluminescence display panel, and a touch circuit arranged on the encapsulation layer. Thus, according to the invention, the touch integration can be realized by arranging the touch circuit on the encapsulation layer of the organic electroluminescence display panel; compared with the prior art, the touch circuit is not required to be formed on a thick glass substrate and then be pasted to a flexible display substrate, so that the carrier glass substrate of the touch circuit in the prior art does not exist in a display region of the flexible touch panel, the thickness of the flexible touch panel is reduced integrally, and furthermore, the bending degree and touch sensitivity of flexible touch display products are improved.

The invention provides a preparation method for a high-toughness nanometer black porcelain material. The preparation method comprises the following steps: 1) adding granular solids of zirconia, alumina and titanium dioxide whisker into absolute ethyl alcohol, carrying out wet ball milling, then carrying out mixing with a polyvinyl alcohol solution after drying, adding yttrium oxide and lanthanum phosphate, successively carrying out uniform mixing, drying and thermosetting molding at a high temperature under vacuum and grinding an obtained nanometer black porcelain material into powder; and 2) adding granular raw materials consisting of SiC and BN into absolute ethyl alcohol, carrying out wet ball milling, then carrying out uniform mixing with the nanometer black porcelain material powder after drying, putting an obtained mixture into a graphite die, placing the graphite die in a hot press furnace, carrying out secondary sintering at a high temperature under vacuum and carrying out temperature maintenance so at to prepare the high-toughness nanometer black porcelain material. The invention has the following advantages: the preparation method employs in situ synthesis, yttrium oxide is added as a stabilizing agent, so particle refinement and decrease of sintering temperature are realized; the preparation method is simple and easy to operate and has low cost; and the prepared nanometer black porcelain material has high toughness and good thermal shock resistance and can be used in a solar heat collection plate in replacement of metal.

The invention relates to a flexible and bendable shape-memory alloy actuator. A shape-memory alloy wire is taken as an actuation element, is retracted when electrified and heated and is elongated when cooled, so that displacement of the actuator and output of force are realized. The actuator comprises a drive end, a flexible solenoid and a fixed end, wherein the shape-memory alloy wire is arranged in the bendable solenoid, one end of the shape-memory alloy wire is in rigid connection with an output shaft, and the other end of the shape-memory alloy wire is connected with a fixed end cap; a bias spring is arranged in the drive end and can assist the shape-memory alloy wire in elongation in the cooling process. The actuator is small in size, light in weight and simple and reliable in structure, can bend according to certain curvature and can be easily mounted and integrated with an external mechanism, and the output force and the displacement are adjustable.

The invention discloses a pressure power generating module, which comprises a pressure plate and pressure power generating units connected with the pressure plate, wherein each pressure power generating unit comprises an upper piezoelectric layer formed on an elastic sheet; the upper piezoelectric layer is positioned in the elastic sheet; the end part of the elastic sheet is embedded into a software support piece; the software support piece is positioned on the outer side of the elastic sheet; the surface of the upper piezoelectric layer is provided with a metal coating; the upper piezoelectric layer comprises more than two small piezoelectric posts; a resin layer is filled among the small piezoelectric posts; the pressure power generating units are overlapped one above the other; adjacent pressure power generating units are connected with each other through an intermediate; and the upper end of the intermediate is connected with the elastic sheet of the pressure power generating unit positioned on the intermediate. The pressure power generating module has the characteristics of simple and reasonable structure, operation flexibility and effective saving of power consumption for public places or commercial buildings by collecting mechanical energy generated by walking of people, converting the mechanical energy into electric energy and directly supplying to illuminating devices.

The invention provides a tensile strained germanium MSM photoelectric detector and the manufacturing method thereof. The method at least comprises the steps that S1, a substrate is provided and a sacrificial layer and a germanium layer are formed on the substrate in sequence; S2, a metal layer is formed on the germanium layer, and the metal layer provides stress for the germanium layer; S3, the metal layer is patterned and a pair of metal main bases and a pair of metal sub-bases are formed; S4, the germanium layer is patterned and germanium main bases and germanium sub-bases are formed below the metal main bases and the metal sub-bases respectively, and at least one germanium bridge seam is formed between each pair of germanium sub-bases; S5, the portions, below the germanium bridge seams and below the germanium sub-bases, of the sacrificial layer are etched off so that the germanium bridge seams and the germanium sub-bases are suspended in the air, the suspended germanium sub-bases are curved under the action of the action of the metal layer to enable the germanium bridge seams to be stretched, and then the tensile strained germanium MSM photoelectric detector is obtained. According to the tensile strained germanium MSM photoelectric detector and the manufacturing method thereof, the photoelectric detection property of the MSM photoelectric detector can be improved.

The invention belongs to the field of soft mechanical arms, and provides a pneumatic soft clamping hand with a variable grabbing range and a using method of the pneumatic soft clamping hand. The pneumatic soft clamping hand comprises a finger supporting frame and soft fingers, wherein the positions of the soft fingers at the supporting frame extending end are adjusted by forming guide grooves in the supporting frame extending end of the finger supporting frame, and further the opening degree of the soft fingers is adjusted, so that the grabbing force is increased to adapt to different grabbing objects; large cavities and small cavities are provided with air inlets and are independently controlled by an air source, so that the bending degree of the soft fingers is increased, the clamping hand has higher stability in the object grabbing process, and grabbing is firmer; each soft finger is provided with a corrugated large cavity and the corrugated small cavity, and different air pressures are input into large air bags and small air bags of the cavities, so that objects are grabbed and released by the soft fingers; and the soft fingers are made of flexible materials, so that the degree of damage to an object can be reduced when the object is grabbed.

The invention provides a novel jet hook structure of a velcro tape and a velcro tape containing the same. An innovative design is performed against the interrelation among the curvature radian of a hook body of a jet hook, the neck part of the curved hook part and the tail end of the hook so as to prevent the occurrence of problems of stress concentration of the jet hook, plastic deformation of the jet hook, damages of the jet hook and a pile loop and the like, thereby achieving the effects of prolonging the effective service life of the jet hook and the pile loop, prolonging the hook joint between the jet hook and the pile loop, enhancing the adhesive strength between the jet hook and the pile loop and the like.

The invention provides a tensile strained germanium MSM photoelectric detector and the manufacturing method thereof. The method at least comprises the steps that S1, a substrate is provided and a sacrificial layer and a germanium layer are formed on the substrate in sequence; S2, a metal layer is formed on the germanium layer, and the metal layer provides stress for the germanium layer; S3, the metal layer is patterned and a pair of metal main bases and a pair of metal sub-bases are formed; S4, the germanium layer is patterned and germanium main bases and germanium sub-bases are formed below the metal main bases and the metal sub-bases respectively, and at least one germanium bridge seam is formed between each pair of germanium sub-bases; S5, the portions, below the germanium bridge seams and below the germanium sub-bases, of the sacrificial layer are etched off so that the germanium bridge seams and the germanium sub-bases are suspended in the air, the suspended germanium sub-bases are curved under the action of the action of the metal layer to enable the germanium bridge seams to be stretched, and then the tensile strained germanium MSM photoelectric detector is obtained. According to the tensile strained germanium MSM photoelectric detector and the manufacturing method thereof, the photoelectric detection property of the MSM photoelectric detector can be improved.

The invention relates to a flexible battery, wherein an electrochemical reaction structure body is directly adhered to the inner surface of a packaging structure body through polymers with an amide group, an imine group and a carbonyl group; and therefore, compared with the existing polymer system taking linear polymers as main components, a current collecting layer in the electrochemical reactionstructure body and the packaging structure body disclosed in the invention has higher adhesive force; in addition, the current collecting layer of the invention is a part of the packaging structure body, so that a chemical bonding is adopted between the electrochemical reaction structure body and the packaging structure body instead of a general physical fixation mode, such as vacuum coating, andtherefore the structure bodies are not easy to separate from each other after the battery is bent, thereby improving the structure stability and the safety of the battery.

The invention discloses a special high-flexibility and bending-resistant photoelectric composite cable for sweeping robots and a fixing clamp thereof. The outermost layer of the photoelectric composite cable is an outer rubber skin. A power cable unit, a control cable unit and an optical fiber unit are distributed inside the photoelectric composite cable. The areas between the power cable unit, the control cable unit and the optical fiber unit on one hand and the outer rubber skin on the other hand are adhered by a glue layer to form three air bags, and the air bags are filled with a polyamidefiber woven fabric. According to the special high-flexibility and bending-resistant photoelectric composite cable for sweeping robots and the fixing clamp thereof in the invention, three air bags areadded to the surface layer of the cable. On one hand, the filling of the gaps of the three cable units ensures the structural strength of the whole cable. On the other hand, the air bags with good elasticity and high bending degree can reduce the redundant filling gravity load for the cable, and when there is an external open fire, the air bags can be burnt to release nitrogen to extinguish the fire. The cable is applicable to different working conditions, and has a better use prospect.

The invention provides a flexible sensor and a preparation method thereof. Through using rubber with high flexibility as a substrate layer, restriction of a substrate preparation material in an existing flexible sensor is prevented, and bending degree and stretching degree of the flexible sensor are improved. The sensor comprises the components of the substrate layer which is formed by the rubberwith high flexibility, a conductive layer on the substrate layer, conductive contacts and a passivation layer on the conductive layer, and a lead which is connected with the conductive layer through the conductive contacts and is used for transmitting a sensing signal.

The invention provides a flexible display panel and a repairing method thereof. On the basis of improving the bending degree, a repairing layer, namely a first laser activated polymer layer, below a circuit layer is arranged; when the circuit layer is completely broken, an activated metal layer can be generated through laser activation to conduct the broken circuit layer, and the repairing function of a circuit is achieved. The method is extremely simple, and pixel units emitting light from the top face cannot be affected; further, a second laser activated polymer layer included can repair a connection line connecting a thin film transistor and the circuit layer.

The invention discloses a charging pile for a new energy electric vehicle, and belongs to the technical field of charging piles. The charging pile comprises a charging pile main body. An operation table is installed on an outer surface of the charging pile main body, and a bottom plate is fixed to the bottom of the charging pile main body; a sliding groove, a sliding plate and a fastening bolt arearranged; when a dust screen needs to be cleaned, a user rotates a fastening bolt, the fastening bolt is screwed out from the sliding plate and the charging pile main body, then the dust screen is pulled outwards, meanwhile, the sliding plate slides in the sliding groove so that the user can quickly take out the dust screen from heat dissipation holes and the dust screen is convenient to clean; asituation that heat dissipation efficiency is reduced due to accumulation of a large amount of dust on the surface of the dust screen is avoided; and after cleaning is completed, the user aligns thesliding plate with the sliding groove, then pushes the dust screen in the direction of the heat dissipation holes to enable the dust screen to move into the heat dissipation holes, and meanwhile whenthe sliding plate slides to the inner end of the sliding groove, the user fixes the sliding plate into the charging pile main body by rotating the fastening bolt.

A thermal circulation heat-insulation device for a technologic nozzle comprises a cavity, an upper comb-shaped flow stopping plate and a lower comb-shaped flow stopping plate, wherein a heat exchanging chamber is formed in the cavity; the upper comb-shaped flow stopping plate comprises a cover plate and a plurality of upper flow stopping sheets; the lower comb-shaped flow stopping plate comprises a bottom plate and a plurality of lower flow stopping sheets; the lower flow stopping sheets and the upper flow stopping sheets are distributed in the heat exchanging chamber in a staggered manner; a circulation liquid inlet and a circulation liquid outlet are respectively formed in two ends of the cover plate; and the heat exchanging chamber, the upper comb-shaped flow stopping plate and the lower comb-shaped flow stopping plate form a snakelike heat exchanging channel. The invention also provides a technologic nozzle comprising the thermal circulation heat-insulation device. The snakelike heat exchanging pipe is used in the thermal circulation heat-insulation device, the heat exchanging area is large, the heat exchanging efficiency is high, and an external circulation liquid delivery pipeline and the inner structure of the heat-insulation device are skillful, so that the thermal circulation heat-insulation device is easy to operate. The thermal circulation heat-insulation device is arranged in the technologic nozzle, therefore, sufficient heat exchange is guaranteed, the volume of the chamber in the technologic nozzle is reduced, and the temperature of work liquid stored in the chamber is well guaranteed.

The invention discloses self-emulsifying non-ionic water-based polyamideimide and a preparation method thereof, a carbon fiber sizing agent and a preparation method and application thereof, and belongs to the field of polymers and composite materials. The polyamideimide provided by the invention can form a uniform and stable aqueous dispersion in the presence of water and a small amount of organic solvent through self-emulsification, a surfactant does not need to be used, and the mechanical property of a composite material is remarkably improved. The hydrophilic group polyethyoxyl side group can be removed in a fiber sizing process, so that the damp-heat aging resistance of the fiber and the composite material of the fiber can be improved. The polyamide-imide sizing agent provided by the invention solves the problem that the heat resistance and compatibility of the traditional carbon fiber epoxy sizing agent and the high-performance thermoplastic resin composite material are not matched, and is suitable for various carbon fiber reinforced high-performance thermoplastic composite materials.

The invention discloses a site-clearing float device used for liquid surface volatile gas detectors. The site-clearing float device comprises a floating plate, two site-clearing structures arranged to be bilaterally symmetrical, and a site-clearing motor device; a through cavity running through the floating plate is arranged in the floating plate; the lower surface of the floating plate is provided with a right damping slot and a left damping slot; the site-clearing motor device comprises a site-clearing motor, two transmission gears, and a transmission chain, wherein the transmission chain is wound around the transmission gears in a figure-eight-shaped manner; the site-clearing motor is connected with one of the transmission gears via transmission connecting; each transmission gear is provided with a winding groove; each winding groove and a gear shaft of the corresponding transmission gear are arranged to be coaxial; each site-clearing structure comprises a drawing rope, a connecting rod, and a site-clearing plate; each connecting rod is connected with the corresponding site-clearing plate; the site-clearing plates are used for covering the lower part of the through cavity; and each connecting rod is arranged in the corresponding damping slot, and is fixedly connected with the floating plate via frictional immobilization. The site-clearing float device can be used for clearing water surface to be detected.

The invention discloses a high-strength fiber reinforced composite material connecting piece and a formula and manufacturing process thereof. The connecting piece comprises an anchor fiber rod and aninjection molding intermediate body; a dovetail groove or a locking groove is formed in the anchor fiber rod; the injection molding intermediate body wraps the middle section of the anchor fiber rod;and a screw thread is disposed in the injection molding intermediate body. By changing the structures of the anchor fiber rod and the injection molding intermediate body, the contact area of the connecting piece and concrete can be greatly increased, and thus the drawing force is enhanced. The drawing force of the connecting piece can reach 15-20 kN; by changing the cross section shape of the anchor fiber rod, the stretching and bending degrees of the composite material are greatly improved; and the stretching strength of the connecting piece can reach 900-1100 MPa, and the bending strength ofthe connecting piece can reach 1000-1200 MPa.

The invention discloses silk fiber used for a non-woven fabric and a preparation method of the silk fiber, and belongs to the technical field of nonwoven fabric materials. Pure natural mulberry silk is adopted, subjected to water-bath treatment by using a lithium bromide solution, then washed, and quickly dried, the stress in the silk is quickly changed, and modified silk with a certain degree ofbending is prepared. Compared with raw silk fiber, the bending degree of the modified silk fiber is greatly improved, strength is not significantly reduced, and the problems that through coating, blending, sericin bonding and other methods, the strength of cloth is improved unilaterally and the cloth is air permeable, moisture permeable and poor in softness can be solved. The modified silk fiber is excellent in performance, mild and free of stimulation, no other materials are introduced, the good performance of fibroin fiber can be give full play to and can serve as raw materials of a pure silk nonwoven fabric, the entanglement rate of silk in a spunlace silk nonwoven fabric is improved, the friction force in unit area is improved, and thus the strength of pure silk nonwoven fabric products is effectively improved.

The invention discloses a wearable hand rehabilitation training device which can achieve rehabilitation training of human body hands. The wearable hand rehabilitation training device includes: a glove body; the glove body includes a set of bionic muscle strips; each of the bionic muscle strips is internally provided with a plurality of inflatable airbags which are mutually independent; the bionic muscle strips can drive a human body hand to achieved multi-freedom motion such as bending, stretching, retracting inward, expanding outward, and rotating. The wearable hand rehabilitation training device is convenient and comfortable in wearing, can achieve all-round training of fingers, meet disease demands of different patients, and can allow hand functional rehabilitation training of stroked patients.

The invention belongs to the technical field of plate processing, particularly relates to an alloy plate bending device for plate processing, and aims to solve the problems that an existing alloy plate bending device is difficult to operate, the surface of the bent alloy plate is abraded due to a conventional pressure machine, and the effect of a finished product is affected. The invention provides the following scheme that the alloy plate bending device for plate processing comprises a pressure box, wherein an extrusion shaft is movably connected between the inner walls of the two sides of the pressure box; a sleeve is fixedly connected to the outer wall of the extrusion shaft; a groove is formed in the pressure box; and an oil storage tank is fixedly connected to the inner wall of the groove. According to the the alloy plate bending device for plate processing provided by the invention, the alloy plate is bent through pressure; in the process of applying pressure to the alloy plate, lubricating oil is used for lubricating the sleeve, so that the lubricating degree of the sleeve and the surface of the alloy plate is improved, and the smoothness of the alloy plate in the bending process is improved; and meanwhile, the lubricating oil can achieve a certain cooling effect on the surface of the sleeve, so that the situation that the wear degree of the device is accelerated due to over-high temperatures of the surface of the alloy plate and the sleeve is avoided.

The invention discloses a medicine packaging box processing device. The medicine packaging box processing device comprises a paper board edge folding device, wherein the paper board edge folding device comprises a folding workbench and edge folding plates, wherein a tip is arranged on the edge folding plates; the medicine packaging box processing device further comprises a driving device, the number of the edge folding plates are two, and the two edge folding plates are in a symmetrical relation; the upper ends of the two edge folding plates are close to each other and are hinged and connected, and the upper ends of the two edge folding plates are parallel to each other; the medicine packaging box processing device further comprises a driving mechanism, the driving mechanism comprises a driving motor, a flexible shaft and two threaded rods, and the outer threads on the two threaded rods are opposite in rotation direction; the tip is inclined relative to the table surface of the edge folding workbench, and one end of the tip is close to the table surface, and the other end of the center is far away from the table board; and driving devices are arranged on the left side and the rightside of the tip. According to the scheme, the structure is simple, the manufacturing and using cost is low, and on the premise that the processing precision of the packaging box is guaranteed, and the structure design of the packaging box can be effectively and conveniently used.

The invention relates to a power cable protection sleeve. The power cable protection sleeve comprises a sleeve body, wherein the sleeve body comprises a flexible segment, the flexible segment comprises a plurality of flexible annular bodies arranged along an axial direction of the flexible segment, hollow holes of the flexible annular bodies form a cable passage, two adjacent flexible annular bodies forma a single flexible body, outer circumferential surfaces of the two flexible annular bodies in the single flexible body are connected, inner circumferential surfaces of two adjacent flexible annular bodies in two adjacent single flexible bodies are connected, each flexible annular body is provided with a first bending part and a second bending part, bending directions of the first bending part and the second bending part are opposite to each other, and the first bending part and the second bending part corresponding to two flexible annular bodies in the single flexible body are adaptiveto each other. The power cable protection sleeve is reasonable in structural design, is convenient to use, has favorable flexibility and bending performance and can be suitable for differential settlement of ground to a certain extent, and damage to the protection sleeve is prevented.

The invention relates to a flexible and bendable shape-memory alloy driver. The shape-memory alloy wire is used as a driving element, which shrinks when energized and heated, and elongates when cooled to realize the output of the displacement and force of the driver. The driver is composed of a driving end, a flexible helical sleeve and a fixed end; the shape memory alloy wire is placed inside the bendable helical sleeve, one end of the memory alloy wire is rigidly connected to the output shaft, and the other end is connected to the fixed end cover; The driving end has a built-in bias spring, whose function is to assist the elongation of the memory alloy wire during the cooling process. The driver is small in size, light in weight, simple and reliable in structure, adjustable in output force and displacement, can be bent according to a certain curvature, and is easy to install and integrate with external mechanisms.

The invention discloses a soft bionic robot and a soft crawler, comprising a dielectric elastomer artificial muscle outer layer, an organic silicon elastomer inner support and two sealing covers; the organic silicon elastomer inner support comprises a plurality of discs A plurality of disc-shaped support sheets are stacked together to form a cylindrical structure, and the dielectric elastomer artificial muscle is wound around the outer ring of the cylindrical structure to form a cylindrical outer layer. A sealing cover is provided for sealing. The invention has extremely fast response speed, small mass, high energy density, small volume, and exists in the form of a thin film, which can make the robot produce large deformation; at the same time, as the support of the robot, the silicone elastomer breaks through the previous There are still limitations of rigid support components in the soft robot, which greatly improves the safety of the soft robot.

The invention discloses high-bending silk as well as a preparation method and application thereof and belongs to the technical field of spinning materials. The preparation method comprises the following steps: performing water-bath treatment on purely natural mulberry silk with a formic acid solution, washing, and further performing rapid baking drying to rapidly change stress inside the silk, thereby obtaining the high-bending modified silk. Compared with an original mulberry silk fiber, the modified silk material disclosed by the invention is greatly improved in bending degree, is not conspicuously reduced in strength, is excellent in performance, is mild and inirritative, is capable of sufficiently bringing high properties of mulberry silk fibers into play, and can be used as a raw material of a pure mulberry silk non-woven fabric, the entanglement rate of mulberry silk inside a hydroentangle mulberry silk non-woven fabric is increased, the friction of a unit area is increased, anddefects of strength of a conventional pure mulberry silk non-woven fabric product are effectively improved.

The invention relates to a pull wire telescopic color-changing waistcoat, and belongs to the field of clothes. The waistcoat comprises several transparent hoses, wherein the section of each hose is rectangular, and the hoses are fixed together side by side and bent in the middle. The whole hose set is separated from the middle to the two sides to serve as a neckline, cuffs are arranged on the twosides of the whole hose set, the whole hose set is waistcoat-shaped, an opening in the front end of the hose set is communicated with the front supporting pipe and the front supporting pipe matched winding assembly, an opening in the front end of the hose set is communicated with the front supporting pipe and the front supporting pipe matched winding assembly, and color changing units are arrangedin hoses. According to the invention, the colors of the clothes are changed in a pull rope mode, use is easy, reliability is high, the colors of the clothes can be subjectively determined by people,the bending degree is high, the process is simple, and cost is low.