136results about How to "Improve hygiene" patented technology

The invention discloses a gluing and gradient low-temperature pressing process for paper-plastic packaging, which comprises the following steps: S1, pretreating a base material: inspecting a printed paper-plastic composite base material, placing in a constant-temperature and constant-humidity environment for 20-24 hours, and balancing the moisture content to 5-7%; the base material is placed on a production line of a bag making machine, and the easy-to-tear line is formed through a magnetic knife; s3, point coating type gluing is conducted, specifically, a concave-convex tooth-shaped gluing roller is adopted, the heat sealing face of the paper-plastic composite base material is coated with the POE / PLA composite hot melt adhesive, and the gluing amount is 2.2-2.6 g / m < 2 >; and S4, pre-crosslinking treatment is conducted, specifically, UV irradiation is conducted on the glued base material, the irradiation wavelength is 254 nm, the irradiation time is 0.1-0.2 s, and the surface of the glue layer is preliminarily cured. The paper-plastic packaging gluing and pressing process which is low in gluing amount and gradient in low-temperature pressing, has an antibacterial function and is matched with a thin paper base material is adopted, and the paper-plastic packaging gluing and pressing process has the advantages of being low in glue overflowing rate, high in product percent of pass, capable of improving sanitation performance, stable in bonding performance and better in environmental protection performance.

This utility model discloses a sealed food storage container, including a container body, a lid that fits with the container body, and a flexible sealing ring. The lid is a downward-opening cover structure. An annular groove with the opening facing downwards is provided around the outer edge of the container body's opening. The upper part of the sealing ring is embedded in the annular groove, while the lower part of the sealing ring protrudes outside the annular groove, sealing with the inner wall of the lid when the lid is placed on the container body's opening. This sealed food storage container achieves a seal while preventing the sealing ring from contacting the food inside the container, thus effectively preventing food stains from remaining on the sealing ring and preventing contamination of the food inside the container. Therefore, frequent disassembly and cleaning of the sealing ring is unnecessary, reducing the user's maintenance burden. Furthermore, since the edge of the lid and the sealing ring are not located within the internal space of the container body, the container body can achieve a larger effective volume with the same external dimensions, fully accommodating food and improving its internal space utilization.

The utility model relates to a double-layer bottle cap capable of giving tablets with an accurate number. The double-layer bottle cap comprises an upper bottle cap and a lower bottle cap, the upper bottle cap is provided with a sunken medicine outlet, the periphery is closed, and the bottom is through; a through hole is formed in the lower bottle cap, and a sunken medicine containing groove array can be arranged at other positions; the upper bottle cap is rotationally connected to the lower bottle cap, the distance between the upper bottle cap and the lower bottle cap allows one tablet to freely pass through, when the upper bottle cap is rotated, the medicine outlet hole is in a closed state or partially or completely exposes the medicine containing groove array of the lower bottle cap, and the medicine outlet hole is not opposite to the through hole of the lower bottle cap. The double-layer bottle cap can accurately and quantitatively take out tablets with required dosage, can effectively prevent secondary pollution, saves time, and is sanitary and convenient.

The utility model discloses a dough lifting and dumping device which is characterized in that a lifting machine comprises a machine base and a machine seat, a rotating support is arranged on the lifting machine, a lifting column capable of driving the rotating support to lift up and down is arranged on the lifting machine, and a turnover structure capable of driving the rotating support to rotate is arranged on the lifting column. A noodle barrel is arranged on the vehicle seat, an inserting structure which can be detachably connected with the vehicle seat is arranged on the rotating support, and a vacuum cutting machine is arranged on one side of the elevator; through cooperation of the lifting column and the rotating motor, lifting and overturning of the dough barrel can be automatically achieved, dough is accurately controlled to be poured into a funnel of the vacuum dividing machine, manual pouring is not needed, the dough transferring efficiency is improved, and the waiting time is shortened.

The utility model provides an atomization automatic stop device, including cover device and atomization detection device, atomization detection device installs in the medicament input end of cover device, cover device includes the application face mask, is provided with the medicine outlet nozzle and the air hole respectively on the application face mask, both sides of application face mask all are provided with fixed band connecting ear, atomization detection device includes the relay pipe, the bottom of relay pipe is provided with the input connecting pipe. When using, through setting up the relay pipe and medicine outlet nozzle intercommunication on the back of application face mask, simultaneously, the relay pipe is connected with the medicine supply device through the input connecting pipe, when carrying out the atomization treatment, the medicine will first pass through the inside of the relay pipe and then enter the application face mask, at this moment, the particle trap will detect the airflow, when the particle in the gas cannot be detected, the particle trap controls the medicine supply device to stop working through the signal relay device in the wired or wireless control mode, realizes the effect of automatic stop atomization.

The utility model relates to the field of medical care instruments, and discloses an energy cabin with calibration and positioning effects, which comprises a lying bed, a cabin cover is arranged at the top end of the lying bed, a support column is in threaded connection with the inner wall of the lying bed, a handle is fixedly connected with the outer wall of the support column, and a gradienter is arranged on the inner wall of the lying bed. The supporting column is provided with a supporting structure, a dismounting assembly is arranged on the inner wall of the lying bed, the supporting structure comprises a fixing column, the fixing column is rotationally connected to the outer wall of the supporting column, the top end of the fixing column is fixedly connected with a guide column, and the dismounting assembly comprises a pull rod. According to the utility model, the handle is rotated to drive the supporting column to vertically move, and the angle of the lying bed can be quickly and horizontally calibrated by a user in cooperation with the observation of the gradienter, so that the lying bed is ensured to be in a horizontal state, the injury risk of the user is reduced, and the safety of the device is further improved.

The utility model discloses a door body assembly and a cooking device, the door body assembly comprises an installation frame, a door seal assembly and a door plate, the door seal assembly is detachably installed in the installation frame, and the door plate is detachably installed on one side of the installation frame. The cooking device comprises the door body assembly and a cooking box, the door body assembly is detachably hinged to the cooking box, a cooking cavity is formed in the cooking box, and the door body assembly is used for being close to or away from the cooking cavity in the process of rotating relative to the cooking box so as to seal or open the cooking cavity. According to the utility model, the mounting frame of the door body assembly is detachably connected with the door seal assembly and the door plate respectively, so that the mounting frame, the door seal assembly and the door plate are very convenient to detach respectively, and the maintenance convenience is improved. Meanwhile, the whole door body assembly does not need to be replaced on a large scale, so that the maintenance cost is reduced.

The utility model relates to the technical field of apricot pit separation, and discloses an apricot pulp and apricot pit separator which comprises a rack, a conveying belt is arranged in the rack, a plurality of storage plates are fixedly connected to the surface of the conveying belt, storage grooves are formed in the inner walls of the storage plates, pit outlet holes are formed in the inner walls of the conveying belt and the storage plates, and the pit outlet holes are communicated with the storage grooves. A collecting assembly is arranged at the right end of the rack, a kernel removing assembly is arranged at the top of the rack, a kernel discharging belt conveyor is arranged in the conveying belt, and the collecting assembly comprises a fixing frame. The motor drives the carrier rollers to rotate, the conveying belt rotates to convey apricot flesh into the collecting box on one side, when the collecting box on one side is full of apricot flesh, the motor is controlled to rotate reversely, the conveying belt conveys the apricot flesh reversely, the apricot flesh is conveyed into the other collecting box, and the phenomenon that the collecting boxes are not replaced in time, and the collecting efficiency is improved is avoided. The condition that apricot flesh falls on the ground is avoided, the sanitation is improved, meanwhile, the downtime is shortened, and therefore the separation efficiency is improved.

The fresh milk filtering device comprises a fresh milk barrel, a mounting frame is placed in the fresh milk barrel, a supporting net is fixedly connected to the bottom of the inner wall of the mounting frame, a filtering pad is placed on the upper surface of the supporting net and located in the mounting frame, and a viewing opening penetrating through the fresh milk barrel is formed in the side wall of the fresh milk barrel; the viewing opening is located below the mounting frame, and a transparent protection plate is arranged in the viewing opening. According to the scheme, when the fresh milk barrel is used, fresh milk squeezed into the fresh milk barrel can be filtered in time through the filtering pad, when foreign matter such as hair enters the fresh milk barrel, the foreign matter such as the hair can be filtered in time through the filtering pad, meanwhile, people can conveniently find the falling foreign matter such as the hair, the people can replace the filtering pad in time, and the working efficiency is improved. The fresh milk in the fresh milk barrel is prevented from being polluted by foreign matters such as hair, so that the quality and sanitary condition of the fresh milk can be improved, and the fresh milk barrel is more beneficial to actual use.

The utility model discloses a kind of arm rotating device for spraying and pressure spray bottle, arm rotating device for spraying includes pressing part, arm rotating part, pressing part is provided with spray channel I, arm rotating part is provided with spray channel II, pressing part is used to connect pumping part and bottle body, characterized in that, spray channel I and the series connection channel of spray channel II are provided with a negative pressure cavity;When compression stroke, negative pressure cavity is pressed and extruded by liquid pumped by pumping part, when reset stroke, form negative pressure, and negative pressure cavity is communicated with the liquid outlet end of arm rotating part;Pressure spray bottle includes arm rotating device for spraying, pumping part and bottle body, the pressing part of arm rotating device for spraying is connected with bottle body, and pumping part is arranged between pressing part and bottle body.

The invention belongs to the technical field of flat mops, and particularly discloses a clean-dirt separating and cleaning method of a flat mop, which comprises the following steps of: supplying clean water: pumping clean water in a clean water tank into a clean water cavity by a clean water pump, converging the clean water in a water outlet cavity after shunting, sucking the clean water by a water sucking cloth strip, and permeating the clean water to mop cloth to quantitatively supply the clean water to the center of a flat mop head; sewage on the ground enters from the side end of the flat mop head and is sequentially absorbed by the mop cloth and the water absorption cloth strips, then the sewage pump is used for vacuumizing and absorbing the sewage, the sewage absorbed by the side end of the water absorption cloth strips is absorbed into the water absorption cavity, then the sewage enters the sewage cavity and is finally absorbed into the sewage tank, and the sewage at the side end of the flat mop head is sucked out. By optimizing the path and mechanism of clean water supply and sewage discharge, quantitative supply of clean water in the center of the cleaning face of the flat mop head in the length direction of the flat mop head and efficient and thorough discharge of sewage from the side end of the flat mop head are achieved, sewage purification separation type cleaning is achieved, and the cleaning effect, efficiency and sanitation degree of the flat mop are improved.

The utility model discloses a novel intelligent foaming and cleaning assembly type public lavatory belongs to assembly type public lavatory technical field, this novel intelligent foaming and cleaning assembly type public lavatory, including base mechanism and locking mechanism, the top of base mechanism is provided with front wall mechanism, the rear end of front wall mechanism is provided with two side assembly boards, the top of side assembly board is provided with roof board mechanism, the rear end of side assembly board is provided with rear wall mechanism. The utility model discloses through the setting of foaming closet, energy storage box, solar panel and ceiling lamp, realizes solar energy charging, can also reduce the smell of public lavatory, is favorable to improving the energy -conserving nature and environmental protection of the device, the utility model discloses through the setting of front wall mechanism and locking mechanism, when personnel washes and rinses and leaves the device, can open public lavatory door through the foot -operated action to reduce the contact of hand and the device, prevents cross infection, is favorable to improving the health of the device.

The utility model discloses a kind of garbage cans to form shaping virtual seal to through mouth, belong to garbage can technical field, including the flat cover mechanism being located at the outside of garbage bag, the flat cover mechanism includes inner cover, and the drive module of driving inner cover opening or closing inner opening;The inner cover includes first half cover and second half cover along plane relative opening and closing;Two half covers have height difference to the edge portion of facing each other, and when closing, it is mutually staggered arrangement;Or, two half covers are mutually flush, and when closing, it is mutually abutted.The utility model is shaped and closed bag mouth by setting flat cover mechanism, when cover body closes, garbage bag itself keeps virtual seal state when cover body retreats, not only prevent peculiar smell from escaping in the moment of opening cover, and virtual seal state is automatically released when throwing garbage, avoid the hindrance to throwing action.

The application discloses a servo filling machine with cylinder cleaning function, which effectively solves the problem of inconvenient cleaning of the filling machine; the servo filling machine comprises a rack, a filling mechanism arranged at the front of the rack, a hopper arranged at the top of the rack, a filling head of the filling mechanism connected with the hopper through a piston cylinder, a piston arranged in the piston cylinder in an extending and retracting mode, a connecting plate fixed to the end of the piston, a driving mechanism for controlling the connecting plate to ascend and descend, a receiving plate arranged at the bottom of the piston, liquid in the piston cylinder falling on the receiving plate after the piston is pulled out of the piston cylinder by the connecting plate, and a discharging pipe arranged in the rack and communicated with the receiving plate; the servo filling machine with the cylinder cleaning function can clean the cylinder and the filling head thoroughly, cross contamination is avoided, and the servo filling machine meets the GMP and other health standards.

This utility model relates to the field of personal care products technology, specifically a front-flow design structure for disposable diapers to prevent soiling. It includes a diaper body and an elastic barrier band structure positioned on the inner absorbent layer of the diaper body. The elastic barrier band structure starts from the outer side of one waist, extends through the groin area on the same side to the perineum, and then extends to the outer side of the other waist. This utility model, by setting the elastic barrier band structure in a three-dimensional "∞" shape, can divide the interior of the diaper body into independent rear and front areas. This innovative design effectively prevents feces and other stains from overflowing from the rear area to the front, avoiding the soiling spread problem common in traditional diapers. For example, during use by infants or adults, when excrement accumulates in the rear area, the elastic barrier band structure acts as a barrier.

The utility model discloses a file cabinet, which belongs to the technical field of storage cabinets and comprises at least one storage cell, each storage cell comprises a cell body, a door plate, a door lock mechanism and a door opening and closing mechanism, and each cell body is used for storing files and is provided with an access port; the door plate is hinged to one side of the access opening and used for sealing the access opening; the door lock mechanism is used for locking the door plate and the grid body; the door opening and closing mechanism comprises a connecting rod, a linear guide structure and a linear driving structure, the first end of the connecting rod is hinged to the door plate, the second end of the connecting rod is hinged to a movable part of the linear guide structure, a fixed part of the linear guide structure is connected to the lattice body, and the movable part is further connected to the linear driving structure. The door plate can be opened and closed at a set speed without manual contact, noise and personal injury caused by sudden bounce-off of the door plate can be reduced, user contact is reduced, and safety, comfort and sanitation of the access cabinet are improved.

This utility model relates to a lubrication device for a down-the-hole drill hoisting system, belonging to the field of mining equipment technology in the metallurgical industry. The technical solution is as follows: the bottom sprocket (7) and the top sprocket (9) are respectively fixed on the drill frame (12), and the bottom sprocket (7) and the top sprocket (9) are connected by a hoisting chain (6). The pressure sprocket (3) cooperates with the hoisting chain (6). The lubricating oil tank (1) is located above the pressure sprocket (3). The upper end of the oil dripping pipe (15) is connected to the bottom of the lubricating oil tank (1), and the lower end of the oil dripping pipe (15) faces the pressure sprocket (3). One end of the high-pressure air pipe (5) is connected to the air compressor (17), and the other end of the high-pressure air pipe (5) faces the bottom sprocket (7). An adjusting valve (2) is installed on the oil dripping pipe (15), and an air pipe valve (8) is installed on the high-pressure air pipe (5). The beneficial effects of this utility model are: ensuring the lubrication of the hoisting chain, and using high-pressure airflow to remove mineral powder on the sprocket and chain, avoiding grease splashing.

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

The present application relates to the technical field of sanitary products, and particularly relates to a biodegradable nursing pad and a preparation process thereof. The nursing pad comprises a skin-friendly top layer, a composite core absorption layer and a gas-impermeable bottom layer from top to bottom. The composite core absorption layer comprises a gel-embedded skeleton composed of an air-laid wood pulp fiber web and a composite antibacterial hydrogel in-situ cross-linked and embedded in the pores of the web, and a fluff pulp fiber layer fixed to at least one surface of the skeleton. The composite antibacterial hydrogel comprises hydrophilic reinforcing fibers modified by a silane coupling agent with a hydrophilic group, a sodium alginate matrix and zinc ions. The nursing pad prepared by the present application has excellent rapid absorption, high antibacterial efficiency and high biodegradability, and solves the problem that traditional products are difficult to have both performance and environmental protection.

The utility model belongs to the technical field of kitchen utensils, and particularly relates to a rotary opening and closing type kitchen ware storage box which comprises a box body, a first storage part is arranged on one side of the box body, an opening is formed in the front side of the first storage part, a chopstick box is rotatably installed in the first storage part, and a first water receiving box is installed at the lower end of the first storage part. A first containing portion is arranged on one side of the box body, a second containing portion is arranged on the other side of the box body, a plurality of inserting grooves allowing cutters to be inserted are formed in the upper end of the second containing portion, and a second water receiving box is installed at the lower end of the second containing portion. Therefore, dust and greasy dirt are effectively prevented from being accumulated on the surfaces of chopsticks and spoons, sanitation is improved, when kitchen ware in the chopstick box needs to be taken, the opening can be opened by rotating the chopstick box again, operation is easy, and use is convenient.

The utility model relates to the related technical field of down feather recovery, discloses an air discharging and purifying device for a down feather production workshop, and aims to solve the problems of down feather waste, worker health damage, fire safety risk and the like in the down feather production process. An underground down absorbing system capable of absorbing down on the ground is arranged below a tempered floor, when the absorbed down is conveyed to a central recycling system, sorting of the down is achieved through an amplifier, and the flying down and the falling down can be recycled for the second time; meanwhile, air in the absorption process is subjected to water filtration and activated carbon deodorization through a rear-end filtering system, cleaner air can be discharged into a down feather production workshop, the working environment in the down feather production workshop is effectively improved, and finally the effects of down feather absorption, sorting and air purification are achieved.

This invention relates to an impeller and its easy-to-clean air fryer, addressing the technical problem that existing similar products are difficult to reduce oil stains, oil droplets, and oil contamination through impellers, leading to inconvenient cleaning. The key feature is that the main body of the impeller is an irregularly shaped circulating fan blade, comprising an upper guide plate, blades, and a lower guide plate. The diameter of the lower guide plate is smaller than that of the upper guide plate, and a large annular ventilation hole is located in the center of the lower guide plate. The upper guide plate has a central shaft hole. The upper and lower guide plates are connected by vertically arranged, equidistant blades. The outer edges of both the upper and lower guide plates are curved downwards to form chamfered guide edges. Above the guide edge of the upper guide plate, corresponding to the inner insulation layer of the air fryer lid, there is a curved wall surface. The distance L2 between the two is controlled between 4-5 mm, and the distance L1 between the openings of the upper and lower guide plates is controlled below 8 mm.

This utility model relates to the field of sausage processing technology, and provides a sausage stuffing machine for sausage processing, including a machine body. A collection trough is formed on the top surface of the machine body. A platform, L-shaped, is located on one side of the collection trough on the top surface of the machine body. The free end of the platform is positioned above the collection trough. A material container is located on the top surface of the free end of the platform, and a discharge port is located on the bottom surface of the free end. A connecting cylinder is provided between the material container and the discharge port, and a feeding mechanism is located inside the connecting cylinder. This utility model, through the design of the collection trough, facilitates the collection of stuffed sausages without the need for manual handling or additional tools. The rotating shaft allows for easy adjustment of the positions of the platform and the discharge port, thus facilitating cleaning and maintenance of the equipment, and also making it easier to remove residue from the collection trough, improving the ease of use and hygiene of the equipment.

The utility model relates to the field of bra cup design, in particular to a semi-invisible decorative three-dimensional printed cup which comprises a transparent fabric layer, a cotton layer and an inner fabric layer which are sequentially arranged from the outer surface to the inner surface, and the transparent fabric layer comprises a breathable layer, a high-elasticity filling layer and a connecting layer. The pattern layer is located between the connecting layer and the cotton layer and is of a protruding texture structure, the high-elasticity filling layer is made of silica gel foam materials and is of a hollowed-out structure, meanwhile, the multi-layer structural design is optimized in the cotton layer, and transfer of the three-dimensional pattern layer is achieved in a heat transfer printing mode. The purpose of giving consideration to comfort and functionality while improving the decoration effect of the cup body is achieved, and the visual experience of semi-invisible decoration and the good touch sense and durability are achieved.

This utility model discloses a multifunctional intelligent waste sorting station, relating to the field of waste sorting technology. It includes a station body with four placement openings and four disposal openings inside. Each of the four placement openings contains a waste bin. An internal switching mechanism is installed within the station body. Four facial sensors are installed on the front of the station body, and a mounting plate is fixedly connected to the front of the station body. A display screen and LED lights are mounted on the front of the mounting plate. A controller is located inside the station body. This utility model utilizes an automatic opening and closing device composed of facial sensors and an electric lifting rod to automatically open and close the disposal openings. When a person approaches, the facial sensor detects a signal and transmits it to the controller. The controller then controls the electric lifting rod to automatically open and close the disposal openings. This design avoids the inconvenience and secondary pollution problems caused by manual operation of the bin lids, effectively improving the convenience and hygiene of waste sorting and disposal.

The dual-purpose funnel of the coffee machine comprises a first hopper, a top plate is fixedly arranged in the first hopper, and four annularly-arranged filter screens are fixedly arranged on the top plate. The rotary sealing discharging assembly is arranged below the first hopper, the rotary sealing discharging assembly is used for filtering coffee grounds, the rotary sealing discharging assembly comprises a second hopper arranged under the first hopper and the top plate, and a bottom plate located under the top plate is fixedly arranged in the second hopper; a sealing gasket located below the top plate is bonded to the bottom plate, the sealing gasket is located below the filter screen, and through the use of the top plate, the filter screen, the rotary sealing discharging assembly, the connecting assembly and the clamping plate, the funnel can be conveniently used for brewing coffee under high temperature and high pressure generated under the action of a coffee machine; meanwhile, the funnel can be conveniently and independently used to quickly filter instant coffee, and meanwhile, the funnel can be conveniently disassembled and assembled, so that the funnel can be conveniently and fully cleaned, and is convenient to use.

The application relates to the technical field of medical devices, in particular to a multifunctional turning-over pad, which comprises a cotton pad, the bottom of the cotton pad is provided with a supporting assembly, and the left and right sides of the supporting assembly are provided with transfer assemblies; the multifunctional turning-over pad can be used for providing buffer support for the body of a patient through a honeycomb-shaped through-hole structure of a breathable soft pad, and the overall supporting force is enhanced through an arc-shaped edge structure made of a high-molecular composite material of a hard supporting plate. Meanwhile, a tension belt and a bending plate are matched with metal hooks of the transfer assemblies through positioning holes, so that the supporting assembly can dynamically adjust the body position of the patient in the transfer process through the elastic nylon woven structure of the tension belt, thereby achieving the effect that the device can safely transfer and fix the body position of the patient through the synergistic effect of the supporting assembly and the transfer assembly.

The utility model discloses an electric hot melting sleeve extrusion device which comprises a platform, a heating extrusion pipe assembly, a rolling and conveying mechanism, a die clamping mechanism and a clamping auxiliary mechanism, and the rolling and conveying mechanism comprises a rolling box, a driving motor, a transmission belt assembly, transmission teeth, a rolling shaft and a connecting hopper. The mold clamping mechanism comprises a forming assembly, a clamping outer pipe, a clamping inner pipe, a locking frame, a locking spring, a clamping groove and a rotating frame, the two sets of rolling shafts operate cooperatively through meshing transmission teeth, materials are fully rolled and conveyed, the density and uniformity of the raw materials are improved, the transmission belt assembly is connected with a driving motor and the rolling shafts, the transmission efficiency is high, operation is stable, and the production efficiency is high. The inner clamping pipe is inserted into the outer clamping pipe and matched with the clamping groove and the locking frame structure, rapid butt joint and positioning of the mold are achieved, the locking spring automatically pushes the locking frame to be embedded into the clamping groove, the connecting stability is enhanced, and the sealing ring is arranged to prevent molten materials from leaking.

This invention discloses a single-layer soft dental membrane and method for dental treatment or oral protection, belonging to the field of dental materials technology. The membrane is made of thermoplastic polyurethane elastomer (TPU) with a microphase separation structure and a hydrophilic modified layer containing polydopamine and hydrophilic polymer on its surface. The membrane has a Shore hardness of 75A-90A, a tensile strength of 15-50MPa, an elongation at break ≥500%, and a thickness of 0.5-6.0mm. The preparation method includes TPU drying, extrusion molding, plasma treatment, and hydrophilic coating impregnation reaction. The membrane of this invention has flexibility, durability, antibacterial properties, and high transparency, and its comprehensive performance is superior to that of existing EVA membranes. It can be used in dental whitening trays, sports mouthguards, or oral ulcer protection patches.

The utility model relates to the technical field of electric heating towel racks, in particular to an electric heating towel rack which comprises a storage box, a first shell, a second shell and a hollow connecting column, towels are hung on the second shell, a heating module is arranged in the second shell, and a heating plate in the heating module can heat and dry the towels. A control module is further arranged in the towel rack and comprises a light-emitting part and a light sensing part which are arranged on the first shell and the second shell respectively, whether the towel is hung on the second shell or not is sensed through cooperation of the light-emitting part and the light sensing part, and therefore whether the heating plate is heated or not is controlled, and the towel rack can heat the towel more intelligently and efficiently.