114 results about "ELASTIC ADHESIVE" patented technology

The present application relates to the technical field of medical devices, and discloses a flexible sputum scab remover for pneumology department, which comprises an outer rod, the end of the outer rod is provided with a sputum suction head, the sputum suction head and the inner part of the outer rod are provided with a flow guide pipe, the inner part of the outer motor stator fixedly connected with the outer rod is rotatably connected with an inner rotor sleeve ring, the inner part of the inner rotor sleeve ring is threadedly connected with a threaded sleeve rod, and the end of the threaded sleeve rod is movably connected with an extension rod; the rotating ring is driven to rotate by the annular motor, the flexible brush rod is driven to rotate by the rotating ring, the flexible brush rod is used for cleaning the respiratory tract by high-speed rotation, the flexible brush rod is used for scraping, the damage degree of the respiratory tract is low due to the elastic colloid material of the flexible brush rod, the contact efficiency with sputum scab is improved by high-speed rotation, the flexible brush rod is used for cleaning, the cleaning efficiency and the cleaning effect of the device are effectively ensured, the damage of the flexible brush rod to the respiratory tract is reduced, and the cleaning safety of the flexible brush rod is improved.

The utility model provides a corrosion-resistant movable contact spring, which relates to the technical field of movable contact springs and comprises a movable contact spring body, a Z-shaped elastic sheet is mounted at the top of the movable contact spring body, a measuring sheet is mounted on the side surface of the movable contact spring body, a laser transmitter is mounted on one surface of the inner side of the measuring sheet, and the laser transmitter is mounted on the other surface of the inner side of the measuring sheet. A laser receiver is installed on the side, away from the laser transmitter, of the inner side face of the measuring piece, an elastic rubber sleeve is installed on the surface of the movable contact spring body, a reinforcing piece is installed on the inner side of the movable contact spring body, and a sealing ring is installed on the surface of the reinforcing piece. The movable contact spring body is composed of a protective layer, a stainless steel base body, an anti-corrosion layer, a passivation layer and an anti-rust layer in sequence from top to bottom, so that the overall corrosion resistance of the movable contact spring is improved, and the service life of the movable contact spring is prolonged.

A wind turbine blade, comprising: a blade body, the blade body comprising a hollow cavity; and a counterweight assembly mounted in the hollow cavity of the blade body, the counterweight assembly being connected to the blade body by means of a first elastic adhesive layer, and the first elastic adhesive layer comprising an adhesive having a tensile modulus less than 2 GPa. The present application is used for solving the problem of damage or even falling off caused by stress concentration between a counterweight assembly and a wind turbine blade.

The utility model provides a sound insulation device convenient to disassemble and assemble, which relates to the technical field of sound insulation accessories and comprises an installation piece and an elastic rubber strip, the installation piece is detachably and fixedly arranged in a clamping groove of a movable plate, a cavity is arranged in the middle of the installation piece, and an installation notch is arranged on one side of the cavity close to a baffle plate. And one end of the elastic rubber strip is detachably arranged in the cavity through the mounting notch, and the other end of the elastic rubber strip extends to the outer side of the cavity and is used for abutting against the baffle plate. The elastic rubber strip can move back and forth in the mounting piece, the cavity in the mounting piece can provide air resistance when the elastic rubber strip moves backwards, and the impact between the elastic rubber strip and the mounting piece during large-force closing is reduced. The structure is simple, the elastic rubber strip can be replaced by dismounting the mounting piece, and the operation is convenient.

The application discloses a viscoelastic glue base for shear expansion polishing and a preparation method and application thereof. Boric acid and glycerol are used as base liquid, and a catalyst, an emulsifier, a dispersing agent, abrasive grains and the like are combined to obtain a viscoelastic glue base for shear expansion polishing. The glue base can uniformly contact the surface of a workpiece to be processed, effectively improves the processing efficiency and polishing effect, and has good applicability and economic value. The application aims to optimize the polishing characteristics of the flexible fixed abrasive tool, improve the shear expansion polishing processing efficiency, and thus realize efficient polishing of hard and brittle materials.

The application discloses a cold-resistant anticorrosive and antirust self-spraying granular elastic glue and a preparation method thereof. The elastic glue comprises the following components in percentage by mass: 15-35% of epoxy resin, 7.5-17.5% of amino resin, 9-25% of anticorrosive functional powder, 0.1-0.8% of silane coupling agent, 3-5% of elastic modifier, 1-3% of granular carrier, 0.3-0.8% of surfactant, 15-35% of diethylene glycol butyl ether, 5-10% of acetone and 4-6% of antifreeze. The self-spraying auxiliary agent and the antifreeze are compounded in the elastic glue, so that the tank pressure is sufficient and the viscosity is low at low temperature, the technical problem of difficult spraying at low temperature is solved, the elastic glue can be directly sprayed on a metal structure, a concrete surface or a pretreated anticorrosive layer, the sprayed mist is quickly solidified to form a uniform and continuous elastic protective layer at low temperature, water and salt mist penetration and small impact absorption are prevented, and the durability of the structure is improved.

The utility model relates to the technical field of galvanized pipes, in particular to a galvanized pipe with a dirt filtering structure, which comprises a pipeline main body A, a pipeline main body B, a clamping cover A and a clamping cover B. One end of the pipeline main body A and one end of the pipeline main body B are respectively provided with the clamping cover A and the clamping cover B. The inner side of the clamping cover A and the inner side of the clamping cover B are respectively provided with a limiting groove. Elastic rubber rings are bonded to the outer sides of the interiors of the limiting grooves correspondingly, and circular filter screen plates are clamped in the limiting grooves. One end of the pipeline body A and one end of the pipeline body B are both sleeved with locking sleeves, a U-shaped connecting plate is welded to one end of each locking sleeve, a connecting block is connected into each U-shaped connecting plate through a rotating shaft, the top of each connecting block is connected with a hanging plate, and a mounting screw hole is formed in one end of each hanging plate; the galvanized pipe has the dirt filtering effect, the circular filter screen plate can be conveniently cleaned and replaced, operation is convenient, and manpower and material resources are saved.

The invention provides a production process of anti-tightening underpants, which comprises the following steps: step 1, providing an underpants blank which is a seamless underpants blank or a cut-part type underpants body; 2, a waist opening and leg openings of the underpants blank body are inwards provided with slow pressing edge forming areas; step 3, preparing partitioned extension-limiting elastic adhesive film belts matched with the circumferential directions of the waist opening and the leg openings; step 4, coating a hot melt adhesive on the binding surface of the partition extension-limiting elastic adhesive film belt to form an adhesive layer; step 5, loading the underpants green body on a pretension calibration clamp; step 6, the partitioned stretching-limiting elastic adhesive film belt coated with the adhesive is positioned and attached to the slow-pressing edge forming area, and partitioned hot-pressing bonding is carried out under the assistance of vacuum adsorption or pressure difference; and step 7, after hot pressing, cooling and shaping, and unloading. The method solves the problems mentioned in the background technology.

The invention relates to the technical field of synthetic leather materials, in particular to organic silicon rubber synthetic leather and a preparation method and application thereof, and aims to overcome the technical defects that existing polyurethane and polyvinyl chloride synthetic leather is poor in weather resistance, prone to aging at high temperature and rigid in hand feeling, and common silicon rubber synthetic leather is insufficient in mechanical strength and poor in oil stain resistance. The organic silicon rubber synthetic leather with excellent weather resistance, mechanical strength, soft hand feeling and oil stain resistance is prepared by compounding an MQ silicon resin modified fluorosilicone rubber matrix with a methyl phenyl siloxane toughening system and combining a segmented vulcanization composite process. The synthetic leather is composed of the base cloth layer, the elastic glue layer and the functional surface layer, the bonding force between the layers is strong, and the performance is synergistic; the preparation method is controllable in process, good in repeatability and suitable for industrial production. The synthetic leather can be widely applied to the fields of automotive interiors, outdoor articles, medical instruments and the like, solves the application limitation of traditional synthetic leather under special working conditions, and has remarkable creativity and practicability.

The invention relates to the technical field of intelligent medical detection, in particular to intelligent flexible patch type wearable three-dimensional ultrasonic detection equipment which comprises an elastic adhesive film, a matrix array ultrasonic probe module and a skin hydrogel coupling patch. Wherein the matrix array ultrasonic probe module is arranged between the elastic adhesive film and the skin hydrogel coupling patch; the elastic adhesive film covers the matrix array ultrasonic probe module and the skin hydrogel coupling patch at the same time, and the elastic adhesive film extends to the surface of the to-be-detected skin along the edge of the length direction and is adhered to the to-be-detected skin; the surface of the side, close to the matrix array ultrasonic probe module, of the skin hydrogel coupling patch is tightly attached to the matrix array ultrasonic probe module, and the surface of the side, away from the matrix array ultrasonic probe module, of the skin hydrogel coupling patch is tightly attached to the skin to be detected. The flexible matrix array ultrasonic probe and the hydrogel are adopted as coupling agents, so that the ultrasonic probe can be attached to the skin for a long time, and accurate ultrasonic detection is carried out.

The invention provides acoustic contrast particles as well as a preparation method and application thereof. The acoustic contrast particle comprises a solid core, an elastic middle layer and a shell layer, the solid core is coated with the elastic middle layer, the elastic middle layer is coated with the shell layer, the density of a solid core material is larger than or equal to 3 g / cm < 3 >, the elastic modulus of a middle elastic layer material is smaller than 1 GPa, and the shell layer is made of resin. Aiming at the problems that a spray drying method for preparing acoustic material particles is low in granulation speed, high in energy consumption and high in selection requirement on elastic layer materials, an acoustic contrast material particle formula and a processing technology are redesigned, and an elastic middle layer comprises elastic filling powder particles and an elastic adhesive material; the preparation efficiency of the acoustic material particles is improved by using a dusting and coating process; the complexity of the processing technology is reduced, the selection range of the elastic material is expanded, and the overall temperature resistance of the particles is improved.

The utility model discloses a kind of multilayer composite buckling SPC floor, it is related to composite floor technical field.Multilayer composite buckling SPC floor, male buckle and female buckle cooperation design and linkage fixed structure, realize quick and easily automated installation, without additional tool, greatly improve installation efficiency;In use, floor structure is stable, bearing lock tongue, anti-displacement groove and convex tooth, limiting rubber strip and limiting groove synergistic effect, prevent floor transverse and longitudinal movement, guarantee overall flatness;Meanwhile, each layer material plays outstanding performance, anti-skid layer enhances friction and prevents sliding, buffer layer sound absorption and shock attenuation, SPC base material layer because of glass fiber grid improves strength and waterproof and mildewproof, decorative layer yellowing resistance and beautiful, wear-resistant layer is resistant to scratch;Wear-resistant coating, elastic rubber strip and telescopic column etc. design at lock catch, reduce abrasion, cope with temperature deformation, prolong the service life of floor, can also adapt to complex environment such as humid, bring comfortable, safe, durable use experience for user.

An all-solid-state battery according to the present invention comprises: an all-solid-state battery cell (1) that has two main surfaces opposite from each other and a side surface linking the two main surfaces; a tab (2, 2a) for extracting power; and laminate outer packaging bodies (3a, 3b) that enclose the all-solid-state battery cell (1) and the base end portion of the tab (2, 2a). The laminate outer packaging bodies (3a, 3b) are respectively provided with insulating and flexible sheets on the two main surfaces of the all-solid-state battery cell (1). An end portion of each of the sheets has a folded section (31a, 31e) that has been folded once and folded back. The folded sections (31a, 31e) each have a bonding part, which has a protruding shape extending toward the cell outer shell of the all-solid-state battery cell (1), is disposed along the outer peripheral surface of the all-solid-state battery cell (1), and is bonded to the tab (2, 2a) or the adjacent folded section (31a, 31e). Adhesive layers (4a, 4e), which are respectively present inside the protruding shapes of the folded sections (31a, 31e), are each formed from an elastic adhesive member.

The application discloses a bra, which comprises a shell, a containing space formed in the shell, an opening provided on the shell and communicating the inside of the containing space with the outside, a mold cup arranged in the containing space, an elastic adhesive film and a reinforcing strip adhered to the edge area of the opening through the elastic adhesive film. In this way, the reinforcing strip can effectively enhance the strength of the edge of the opening, avoid deformation or tearing of the opening caused by washing and stretching, and prolong the service life. The elastic adhesive film can increase the elasticity of the edge of the opening, and the mold cup can be more conveniently installed through the opening.

The utility model relates to a brake handle holding distance adjusting anti-loosening structure and a brake handle. The brake handle comprises a handle, the handle is provided with an extension arm with a threaded hole, and an adjusting screw used for adjusting the holding distance is screwed into the threaded hole. The external thread part of the adjusting screw is provided with a radial hole, an elastic glue stick penetrates through the radial hole, the length of the glue stick is not smaller than the outer diameter of the external thread part, and the two ends of the glue stick tightly press internal threads of the threaded hole respectively. The brake handle comprises the brake handle holding distance adjusting anti-loosening structure. According to the technical scheme, the elastic glue stick is arranged in the adjusting screw in the radial direction, and the two ends of the glue stick tightly press the threaded holes, so that the friction force between the adjusting screw and the threaded holes is increased, the adjusting screw cannot easily slide due to bumping, the loosening probability of the adjusting screw can be reduced, damping generated when the adjusting screw is rotated can be improved, and the service life of the adjusting screw is prolonged. And the hand feeling of rotating the adjusting screw is improved.

The invention relates to a preschool education enlightenment metronome for music teaching, and the metronome is provided with a beat display part which comprises a hollow stand column, the stand column is internally provided with a sliding body and an electromagnet from top to bottom, the sliding body is vertically installed in the stand column in a sliding manner through guide blocks at two sides, and the stand column is internally connected with a first pressing sounder through a suspension coil spring. A magnet is installed in the sliding body, an electromagnet is clamped and fixed below the supporting ring through a pair of threaded rings, and the lower end of the lower supporting ring is connected with a second pressing sounder; a piston rod is coaxially fixed at the upper end of the sliding body, and a connecting rod is coaxially fixed at the lower end of the sliding body; a cross-shaped part is axially inserted into a top end opening of the stand column, and the two ends of the cross-shaped part are each provided with an elastic rubber sheet capable of expanding and deforming towards the outer side; after the electromagnet is electrified, three-gear magnetic force can be achieved, the sliding body is pushed to move upwards by different positions, different sound effects and actions are triggered, and the effect of rhythm sound and visual double experience is achieved.

The application relates to the technical field of traffic pavements, in particular to a bridge deck buffer expansion joint device and a construction method, which comprises a sliding layer arranged at the bottom between two bridge decks, an elastic glue arranged above the sliding layer, concrete blocks and a middle beam arranged above the elastic glue in sequence, embedded steel bars and anchoring steel bars arranged on the left and right sides of the concrete blocks respectively, side beams arranged on the left and right of the middle beam, a sealing water stop belt arranged between the side beams and the middle beam, one end of the sealing water stop belt connected with the side beam, the other end of the sealing water stop belt connected with the middle beam, and the anchoring steel bars welded and fixed with the side beams. The damping device, the elastic glue material and the damping pad and other components are used in the expansion joint, the structural vibration amplitude is effectively reduced, the stability of the bridge is improved, the structural vibration caused by the wind load and the vehicles is reduced, and the safety of the bridge is improved.

The utility model relates to the technical field of flowmeter structures, in particular to a flowmeter probe anti-vibration structure which comprises a flowmeter body, the flowmeter body comprises a flowmeter meter, the bottom end of the flowmeter meter is connected with an upper flange plate, and the upper flange plate is in butt joint with a lower flange plate through a plurality of butt joint pieces. The bottom end of the lower flange plate is fixedly connected with the surface of the top end of the flange valve pipe, a rubber plate is arranged between the upper flange plate and the lower flange plate, and a probe is connected to the center of the bottom end of the flow meter. The supporting spring is arranged between the upper flange plate and the lower flange plate, elastic supporting is provided, the phenomenon that the threaded shaft nail and the nut slip and lose efficacy due to vibration is avoided, the elastic rubber plate deforms to fill the gap after being extruded by the upper flange plate and the lower flange plate, and the elastic rubber plate and the supporting spring jointly absorb vibration of the flange valve pipe and impact of fluid turbulence. Jittering frequency of the probe is obviously reduced, measuring precision of the flowmeter is greatly improved, and service life of the probe is prolonged.

The invention belongs to the technical field of skin care, and particularly relates to a composite micro-current permeation promoting skin patch and a preparation method thereof. The composite micro-current permeation-promoting skin patch comprises a controller and a permeation-promoting patch, and the controller is used for generating and outputting a direct-current micro-current signal used for achieving electric ion permeation and an alternating-current micro-current signal used for achieving EMS muscle electrical stimulation; the permeation promoting patch is detachably connected with the controller through a magnetic attraction buckle structure; the permeation promoting patch is of a flexible integral structure and comprises an elastic adhesive tape layer, an electrode slice layer, a sponge cloth layer, an adhesive layer and a release film which are sequentially stacked from top to bottom; the controller can stably output direct current and alternating current, the direct current is used for forming a directional stable electric field to drive the charged biological agent to realize electric ion permeation, and the charged biological agent directionally moves into the corium layer of the skin through directional release of the electrode slice layer and the sponge cloth layer; the alternating current is used for outputting a stimulation waveform matched with the EMS function, and the infiltration promotion efficiency is further improved by stimulating muscle movement.

The utility model discloses a plaster sealing cover convenient to use, which comprises an elastic adhesive tape and a fixing ring, plaster is arranged in the fixing ring, a first ring groove is arranged on the upper side surface of the fixing ring, a sealing cover is inserted in the first ring groove, four limiting columns are annularly inserted on the annular side surface of the fixing ring by taking the fixing ring as a circle center, and the sealing cover is arranged in the first ring groove. One end of the limiting column is inserted into the sealing cover, four limiting holes are annularly formed in the upper side face of the fixing ring with the fixing ring as the circle center, pushing columns are slidably connected into the limiting holes, inclined planes are arranged at the lower ends of the pushing columns, and inserting grooves allowing the inclined planes to be inserted are formed in the limiting columns. The utility model has the advantage of convenience in use.

The utility model provides a rubber waterstop convenient to disassemble and assemble, and belongs to the technical field of rubber waterstop production. Comprising a rubber waterstop body, the rubber waterstop body comprises a middle hollow column, belt bodies are fixedly connected to the two sides of the hollow column, a plurality of reinforcing ribs are fixedly connected to the interior of each belt body, a plurality of buffer structures are fixedly connected to the interior of each belt body, and each buffer structure comprises an inner cavity formed in the interior of the corresponding belt body; a plurality of elastic rubber strips are fixedly connected into the inner cavity; through the arrangement of the steel bars, the extrusion rings and the supporting bars, when the device is arranged between two walls, the supporting bars push the extrusion rings to make contact with the walls on the two sides through the elastic design of the supporting bars, the extrusion rings make close contact with the walls, and through the flexible arrangement of the multiple sets of supporting bars and the extrusion rings, the extrusion rings are not prone to falling off. Even if the wall body is uneven, sealing contact can still be achieved, and the waterproof performance of the device is improved.

The utility model discloses a plaster sealing cover with a moisture-proof function, which comprises an elastic adhesive tape and plaster arranged on the upper side surface of the elastic adhesive tape, the upper side surface of the elastic adhesive tape is provided with a fixing shell with the inner side surface in contact with the plaster, the upper side surface of the fixing shell is provided with a ring groove, and a sealing cover is inserted in the ring groove. An annular cavity is formed in the upper side face of the sealing cover, the cavity is filled with a silica gel desiccant, and an annular opening communicating with the annular groove is formed in the lower side face of the cavity; a fixing assembly for preventing the fixing shell from being separated is arranged on the outer side face of the fixing shell. The waterproof structure has the advantage of being good in waterproof effect.

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic prefabricated cabin convenient to assemble, which comprises a machine body shell, a servo motor is arranged in the machine body shell, the bottom of the servo motor is connected with a threaded rod, the threaded rod is in threaded connection with a sliding block, one side of the sliding block is provided with a limiting block, and the limiting block is connected with the machine body shell. A connecting column is installed at the bottom of the machine body shell, a connecting block is arranged on one side of the connecting column, an inserting groove is formed in one side of the machine body shell, a wiring port is formed in the inner wall of the inserting groove, an inserting plate is arranged on one side of the inserting groove, an elastic rubber ring is installed on one side of the inserting plate, and a cabin door is installed at one end of the machine body shell. According to the improved photovoltaic prefabricated cabin, the photovoltaic prefabricated cabin is divided into a plurality of modules, so that the photovoltaic prefabricated cabin is convenient to transport, and meanwhile, the modules of the photovoltaic prefabricated cabin are conveniently and rapidly connected and combined.

The invention discloses cold-resistant, anti-corrosion and anti-rust self-spraying particle elastic glue and a preparation method thereof. The elastic glue comprises the following components in percentage by mass: 15%-35% of epoxy resin, 7.5%-17.5% of amino resin, 9%-25% of anticorrosive functional powder, 0.1%-0.8% of a silane coupling agent, 3%-5% of an elastic modifier, 1%-3% of a particle carrier, 0.3%-0.8% of a surfactant, 15%-35% of diethylene glycol monobutyl ether, 5%-10% of acetone and 4%-6% of an antifreeze agent. Through compounding of a self-spraying auxiliary agent and an anti-freezing agent in the elastic glue, sufficient pressure and low viscosity in a tank at a low temperature are ensured, the technical problem of difficult spraying at a low temperature is solved, the elastic glue can be directly sprayed on a metal structure, a concrete surface or a pretreated anticorrosive coating, and spray is rapidly cured at a low temperature to form a uniform and continuous elastic protective layer. Water and salt mist can be prevented from permeating, tiny impact can be absorbed, and the durability of the structure is improved.

This utility model discloses a hair wrapping device for head surgery, relating to the field of surgical hair wrapping technology. The device includes an elastic adhesive band, with a hair-pressing mechanism at the top and a limiting mechanism on one side. By using a pressure plate, when it is necessary to flatten and wrap the hair around the surgical site, the elastic adhesive band is first placed on the patient's head, then the pressure plate is placed on the affected area, which is located inside the surgical groove. The hair around the affected area is flattened by the pressure plate. A limiting band is then fixed to the elastic adhesive band via a connecting ring. The number of limiting bands is adjusted according to the position of the affected area, and then a locking block is engaged in the appropriate locking hole, fixing the pressure plate around the affected area and flattening and wrapping the hair. This device facilitates the flattening and wrapping of the hair around the patient's surgical site.

The utility model discloses a box group type electric energy metering box, which comprises a box body and a through hole formed on the side wall of the box body, and further comprises a circular ring fixedly connected to the inner side wall of the box body and arranged around the through hole; the flexible shade is detachably arranged on the peripheral surface of the circular ring in a sleeving manner; the elastic rubber ring is detachably arranged on the peripheral surface of the flexible shade in a sleeving manner; and the storage component is arranged on the inner side of the box body. According to the utility model, firstly, through the radial sleeving structure of the circular ring, the flexible shade and the elastic rubber ring, the bare-handed rapid opening and closing and state switching of the through hole are realized, the through hole can be conveniently opened for threading when the electric energy metering box is assembled and used, the through hole can be conveniently shielded to recover a dustproof state when the electric energy metering box is independently used, and the installation efficiency and the protection performance are enhanced; the elastic rubber ring is stored in a hanging mode through the hanging rod blocking piece, the flexible shade is wound and stored in combination with the closing-up clamping and placing structure of the bending frame, and the problems that traditional accessories are prone to being lost and difficult to find are solved.

The utility model discloses a bendable explosion-proof acrylic plate interlayer reinforcing assembly, which relates to the technical field of plate reinforcing, and comprises an explosion-proof interlayer and an elastic buffer layer I. The explosion-proof interlayer comprises a fiber net, silicone elastic glue, a sealing rubber strip and a frame, and the silicone elastic glue is filled in pores of the fiber net. A sealing rubber strip is arranged at the edge of the fiber net, a frame is arranged outside the sealing rubber strip, the top of the anti-explosion interlayer is connected with an upper acrylic plate through a first bonding layer, the bottom of the anti-explosion interlayer is connected with a lower acrylic plate through a second bonding layer, and the first elastic buffer layer is arranged on the upper surface of the upper acrylic plate. According to the bendable anti-explosion acrylic plate interlayer reinforcing assembly, the first elastic buffer layer and the second elastic buffer layer are made of EVA (ethylene-vinyl acetate copolymer) materials, the first anti-skid lines and the second anti-skid lines are arranged on the surfaces of the first elastic buffer layer and the second elastic buffer layer correspondingly, the friction force can be increased, meanwhile, the buffering effect is achieved when the bendable anti-explosion acrylic plate interlayer reinforcing assembly is impacted, and the overall impact resistance is further improved.

The application discloses a paper gift box with a folding storage function and a manufacturing method thereof, and belongs to the technical field of paper gift boxes. The paper gift box comprises a gift box body, a bottom plate and a top cover, a side handle, and elastic rubber plates. The bottom plate and the top cover are arranged at the bottom and the top of the gift box body respectively. The side handle is fixedly arranged at the left side of the gift box body. The elastic rubber plates are arranged in the interior of the gift box body. The initial angle of the elastic rubber plates is 90 DEG and the elastic rubber plates are arranged in an L shape. The elastic rubber plates are arranged at the four corners in the interior of the gift box body, thereby providing support and fixation for the four corners in the interior of the gift box, so that the gift box is more stable. After the gift box is folded, the elastic rubber plates are folded or laid flat, so that the elastic rubber plates are deformed, thereby facilitating storage. When the gift box needs to be unfolded for use, the user only needs to guide the gift box to reset. Under the elastic force of the elastic rubber plates, the speed of restoring the gift box to the original state can be accelerated, so that the gift box is convenient to use.

The utility model provides an anti-loosening low-leakage high-sealing valve which comprises a body, the body comprises a valve seat and an anti-loosening mechanism, a valve body is installed at the top end of the valve seat in a threaded connection mode, the valve seat is a three-way pipe, installation female heads are installed at the two ends of the bottom of the valve seat in a threaded connection mode, and the anti-loosening mechanism comprises a limiting sleeve and an anti-loosening piece. By arranging the elastic rubber rings between the two ends of the valve seat and the mounting female head, the space between the valve seat and the mounting female head can be sealed, meanwhile, the mounting female head can be rotationally adjusted, so that the mounting female head is opposite to a second limiting groove, and the mounting female head is conveniently limited through a limiting sleeve; system pipeline leakage caused by looseness of the low-leakage high-sealing valve is prevented; the valve body can be limited through the anti-loosening piece and the first limiting groove, the valve body is prevented from loosening, the exhaust capacity of the low-leakage high-sealing valve can be guaranteed, meanwhile, the anti-loosening piece is limited through the limiting sleeve and the third limiting groove, and the stability of the anti-loosening piece can be improved.