36results about How to "Hygienic use" patented technology

The utility model relates to the technical field of filling machinery, and discloses a filling device which comprises a rack and a plurality of bottle clamping devices annularly distributed on the rack, each bottle clamping device comprises a weighing assembly and a bottle clamping assembly connected with the weighing assembly, and a closed electric box is arranged on the rack. The wiring end of each weighing assembly is connected with the interior of the electric box through a wire, the wiring end of each weighing assembly is provided with an isolation seat, and the outer side of each wire is provided with an isolation sealing element used for blocking the external environment at the position between the isolation seat and the electric box. The utility model has the beneficial effects that the whole machine can be conveniently and comprehensively flushed, and the use is more sanitary.

The invention relates to a double-channel movable water outlet device of a coffee machine, which comprises a water outlet main body and a water outlet movable seat, and the water outlet main body is fixed with a coffee machine main body; the water outlet movable seat is arranged in the water outlet body, slides vertically and is limited, the top of the water outlet movable seat is connected with the water outlet upper cover in a sealed mode, the water outlet upper cover is provided with a first channel and a second channel, and the interior of the water outlet movable seat is divided by a partition plate into a first inner cavity and a second inner cavity which correspond to the first channel and the second channel respectively. After the water outlet movable seat is connected with the water outlet upper cover, the top of the first inner cavity and the top of the second inner cavity are sealed and separated, and a first water outlet and a second water outlet corresponding to the first inner cavity and the second inner cavity respectively are formed in the bottom of the water outlet movable seat. The double-channel coffee cup is provided with a separated double-channel structure, coffee and hot water are used independently, odor tainting influences are avoided, the height position of the water outlet is adjustable, the double-channel coffee cup is suitable for the water receiving heights of different drinking utensils, water splashing is prevented, and use is convenient and safe.

The invention relates to the technical field of packaging containers of products, and provides a container sealing device which comprises a container sealing device body formed by assembling an inner cover and a control cover, the inner cover is provided with a cover surrounding structure and a barrel surrounding structure which are of an annular barrel-shaped structure and connected together, the cover surrounding structure is provided with a first buckle, and a sealing piece is arranged at the head end of the barrel surrounding structure; a concave chamber structure and a supporting and pressing structure are arranged on the inner wall of the sealing piece; the tail end of the control cover is closed or is provided with a channel structure, the inner wall of the side wall of the control cover is provided with a second buckle, the inner wall of the tail end of the control cover is provided with a cavity cylinder or an arc-sheet-shaped structure, and the cavity cylinder or the arc-sheet-shaped structure is provided with a sharp structure and a rib sheet; the sharp structure is located in the concave chamber structure of the barrel surrounding structure, and the sharp structure can slide, cut, support and press from the concave chamber structure of the inner cover to open the sealing piece, so that materials in the container sealing device are released. In addition, the invention further provides a component of the container sealing device, a packaging container and application.

The utility model discloses a tray assembly for block shaping of bean curd slurry, and aims to solve the problems that existing bean block making is too complicated and too slow in efficiency, the inner surface of a frame for making bean blocks is horizontal, shaped bean curd blocks are easy to stick, and the surfaces of the bean curd blocks are easy to damage when the bean curd blocks are taken out. The tray assembly comprises a plurality of mutually-stacked shaping assemblies, each shaping assembly comprises a tray, gauze and a plastic grid, a plurality of water leakage holes are formed in the side face of each tray, a plurality of transverse division pieces and vertical division pieces are integrally connected to the inner bottom of each tray, bean curd grids are formed between the transverse division pieces and the vertical division pieces, and the transverse division pieces and the vertical division pieces are arranged in the bean curd grids. A plurality of through holes are formed in the inner bottom walls of the bean curd grids. The shaping assembly composed of the tray, the gauze and the plastic grid is utilized, bean curd blocks can be automatically cut and shaped, the outer surfaces of the bean curd blocks can not be damaged when the bean curd blocks are taken out easily, and the device has the advantages of being convenient to operate, large in yield and high in efficiency.

The utility model discloses a windproof scarf, which belongs to the field of scarves, and is characterized by comprising a scarf body and a windproof component, a cloth changing assembly; a connecting assembly; mounting the assembly; wherein the wind shielding assembly comprises a cloth containing groove, a telescopic assembly, wind shielding cloth, a first hook-and-loop fastener, a first child snap fastener and a first mother snap fastener, the cloth containing groove is formed in the scarf body, the telescopic assembly is installed in the cloth containing groove, the wind shielding cloth is installed on the telescopic assembly, the first hook-and-loop fastener is installed between the cloth containing groove and the wind shielding cloth, and the first child snap fastener is installed between the first hook-and-loop fastener and the first child snap fastener. According to the scarf, the face of a user can be shielded and warmed when the scarf is used in a cold environment or a windy environment, and the comfort level of the user is improved.

The utility model relates to a news media interview device which comprises a microphone and a protective sleeve, the microphone is arranged in the protective sleeve, the protective sleeve is provided with a containing cavity, a limiting device is arranged in the containing cavity and used for positioning the microphone, a side opening is formed in the side wall of the protective sleeve, the width of the side opening is larger than the diameter of the microphone, and the side opening is communicated with the containing cavity. An upper opening is formed in the upper portion of the protective sleeve and communicates with the containing cavity, a protective assembly is arranged in the protective sleeve and comprises a driving shaft, a driven shaft and a protective material, the driving shaft and the driven shaft are arranged on the two sides of the upper opening, and the protective material is wound between the driving shaft and the driven shaft and covers the upper opening; and the microphone is positioned below the protective material. The protective material can be arranged on the protective sleeve, so that the microphone is prevented from being polluted by mouth foam generated by speaking of a user, the protective material is prevented from being replaced and touched, and the use is more sanitary; in addition, protection materials can be conveniently output, and the protection materials can be conveniently and rapidly used by different persons.

The present application provides a film-wrapped tissue pack from which a paper towel of 3 or more layers can be easily taken out. This problem is solved by a film-wrapped tissue pack in which a bundle of paper towels is wrapped with a soft, resin-made wrapping film, and which has a take-out port forming portion on the upper surface, the paper towel being a 3- or 4-layer paper towel having a basis weight of 12.5 to 22.5 g / m 2 2 per 1 layer and a paper thickness of 185 to 285 μm, the take-out port forming portion being formed by arranging a breakable line in which cutting portions and non-cutting portions are alternately arranged in a ring shape, and being formed in an elongated shape in which the central portion in the depth direction of the upper surface of the film-wrapped tissue pack extends in the width direction and the both end portions protrude toward the outside, and in which the arrangement of the cutting portions and the non-cutting portions at each end portion in the width direction is different, the length in the width direction of the take-out port forming portion being 60 to 75% of the width of the upper surface of the film-wrapped tissue pack, and the maximum length in the depth direction being 6 to 15% of the length in the depth direction of the upper surface of the film-wrapped tissue pack.

The utility model provides a cooking pot which comprises a base, a pot body, a main control circuit board and a heating device, the base comprises a concave seat and a side wall, the heating device is arranged on the concave seat, the pot body is detachably installed in the concave seat, a gap is formed between the pot body and the side wall, the bottom of the pot body is located on the heating device, and the main control circuit board is arranged on the main control circuit board. A concave base is arranged on the base, a water collecting groove is formed in the concave base, the top of the water collecting groove is open, the water collecting groove surrounds the outer side of the heating device, the heating device protrudes out of the water collecting groove upwards, a gap between the pot body and the side wall is communicated with the water collecting groove downwards, a water collecting box is detachably arranged in the base, and the water collecting box is provided with a water outlet. A water outlet is formed in the water collecting tank and is communicated with the water collecting box. The cooking pot is provided with the water collecting groove and the water collecting box, overflowing soup and porridge are collected in the water collecting box, and the cooking pot is safe and sanitary to use.

The invention belongs to the technical field of medical equipment, and discloses a portable asthma respiratory function monitor, which comprises a monitor main body, a protective cover mounted at the top end of the monitor main body, a switch button arranged at the top end of the monitor main body, a data display screen fixed at the top end of the monitor main body, and a dismounting mechanism mounted at the top end of the monitor main body. Through cooperation of structures such as an insertion block, first anti-skid lines and a filter screen, the device can insert the insertion block into the monitor main body, and the filter screen is located between airflow and monitoring assemblies such as a pressure sensor and a source low-frequency second-order filter in the monitor main body, so that air blown out by a user can be filtered through the filter screen; the influence of excessive impurities in the gas on the final monitoring result is prevented, and a user can more conveniently insert, pull and replace the insertion block through friction force provided by the first anti-skid grains, so that the purpose of conveniently filtering exhaled air when the user uses the device is achieved.

The utility model discloses an intelligent lock structure capable of protecting a password panel, which relates to the technical field of intelligent locks and comprises a fixed main board and a protection component, a password input panel is arranged at the upper end of the front surface of the fixed main board, and the protection component is arranged at the upper end of the fixed main board. And the protection assembly comprises a protection blocking cover, a fixing plate, limiting sliding grooves, limiting sliding blocks, a dustproof protection cover and a magnetic attraction layer, the protection blocking cover is arranged at the upper end of the fixing main plate, the fixing plate is installed on the upper surface of the protection blocking cover, and the limiting sliding grooves are formed in the surfaces of the two sides of the protection blocking cover. According to the intelligent lock structure capable of protecting the password panel, the password panel can be perfectly protected through the protection assembly, the password panel is prevented from being damaged, protection can be conducted when a password is input, safety is improved, the password panel can be disinfected and cleaned in time through the cleaning assembly, and the intelligent lock structure is more sanitary during use; and fingerprints are not easy to remain.

The embodiment of the application discloses a kind of box assembly and cleaning equipment, box assembly includes main box and scraping strip unit, scraping strip unit is connected to main box, box assembly can be as a component of cleaning equipment, during the maintenance of box assembly, since scraping strip unit is connected to main box, then when box assembly is disassembled via cleaning equipment, scraping strip unit can be synchronously disassembled along with main box, when user cleans main box, such as dumping sewage and solid dirt in main box, user can clean scraping strip unit synchronously, in one use scene, user can dump dirt in main box first when box assembly is removed via cleaning equipment, then main box and scraping strip unit are washed by clean water, can reduce the residue of dirt on main box and scraping strip unit, can reduce the generation of odor, can make the maintenance of box assembly more convenient.

The present invention provides a nasal aspirator, comprising a nasal aspirator head, a dirt storage body and a main body, wherein the nasal aspirator head is provided with a first channel for circulating nasal mucus, the dirt storage body and / or the nasal aspirator head is provided with a cavity for containing nasal mucus, the nasal aspirator head is detachably or non-detachably connected to the dirt storage body, the first channel is communicated with the cavity, the dirt storage body is detachably or non-detachably connected to the main body, a power assembly is provided in the main body, the power assembly has an air suction end and an exhaust end, the air suction end of the power assembly is connected to the cavity, the main body and / or the dirt storage body is provided with a liquid collection cavity, the exhaust end of the power assembly is connected to the liquid collection cavity, and the liquid collection cavity is communicated with the external atmosphere. Aiming at the technical problem that the nasal aspirator in the prior art will discharge the nasal mucus outside the nasal aspirator when exhausting, the gas is discharged into the atmosphere through the liquid collection cavity when exhausting, so that the nasal mucus liquid and water vapor in the gas are collected in the liquid collection cavity, and it is clean and hygienic when used.

The utility model relates to the technical field of fuming and washing basins, and discloses a simple perineum fuming and washing basin which is characterized in that a first basin body is arranged at the top of a basin base, a second basin body is arranged at the top of the first basin body, a supporting ring is arranged at the top of the second basin body, a sealing assembly is arranged on the outer side of the supporting ring, and a disinfection assembly is arranged on the inner side of the second basin body; the sealing cover sleeves the outer side of the supporting ring, the gap is formed in the top of the sealing cover, and the sealing zipper is installed in the gap; according to the utility model, by pulling the puller of the sealing zipper, the gap is sealed through the sealing zipper, and the elastic ring drives the bottom of the sealing cover, so that the sealing effect in the fumigation and washing basin can be better improved, the cleanliness of the fumigation and washing basin is ensured, and the fumigation and washing basin is more sanitary in use; the interior of the fuming and washing basin is disinfected through the ultraviolet lamp strip, sanitation of the fuming and washing basin is guaranteed, the fuming and washing basin can be folded, the occupied space of the fuming and washing basin during carrying is reduced, and therefore the fuming and washing basin is convenient to carry.

The utility model discloses a beverage extraction device, including shell, accommodation device, discharge unit and motion unit, accommodation device includes accommodation device body, first swing link and second swing link, accommodation cavity of accommodation device body is equipped with piston, the motion unit can drive accommodation device body to move in the shell through first swing link, and the discharge unit is equipped with second swing link. The second swing rod is connected to the containing device body, the piston is connected with the second swing rod, a first supporting part and a second supporting part are arranged on the shell, the second swing rod can abut against or be separated from the first supporting part or the second supporting part, and the second swing rod abuts against the first supporting part so that the piston can be in an ejection state. The second swing rod abuts against the second supporting part so that the piston can be in a pull-back state. The structure is simpler, the cost is saved, mechanical parts are reduced, the stability and the reliability of equipment are improved, and the containing cavity can be prevented from retreating during extraction, so that the extraction taste of coffee or tea is effectively guaranteed.

The utility model relates to the technical field of food processing appliances, and discloses a stirring cup with an automatic pressure relief mechanism, which comprises a cup body, the automatic pressure relief mechanism for automatically relieving pressure in an inner cavity of the cup body is arranged on the cup body, and the automatic pressure relief mechanism comprises an exhaust passage and a pressure relief valve core for blocking / opening the exhaust passage. The exhaust channel is arranged on the cup body and communicated with the inner cavity, the pressure relief valve element is arranged on the cup body in a sliding mode, a limiting block used for limiting the pressure relief valve element is detachably arranged on the cup body, and an elastic piece is arranged between the limiting block and the pressure relief valve element. The stirring cup with the automatic pressure relief mechanism is simple in structure and low in production cost; when the pressure of the inner cavity of the cup body is too high, the automatic pressure relief mechanism can automatically relieve pressure, the problems of cup body explosion, expansion fragmentation, food splashing and the like caused by the too high pressure of the inner cavity of the cup body are avoided, and use is safe and reliable; the automatic pressure relief mechanism is convenient to detach and wash and more sanitary to use.

The utility model discloses a novel coupler structure which comprises an upper coupler, a lower coupler and a split type water pump, the split type water pump comprises a driving assembly and a driven assembly which are detachable, and the driving assembly is arranged on the lower coupler and at least comprises a driving motor. The driven assembly is arranged on the upper coupler and at least comprises a water inlet shell and an impeller arranged in the water inlet shell. And when the upper coupler is coupled with the lower coupler, the driving motor is in transmission connection with the impeller. Therefore, by the adoption of the split type water pump, when the upper coupler and the lower coupler are in coupling connection, the electric connection and the water pumping function of the water pump can be achieved at the same time; when the upper coupler and the lower coupler are separated, the upper coupler and the lower coupler are not connected through a water path, so that the phenomena of water leakage, water seepage and the like are avoided, complete water and electricity isolation can be ensured, and the use is safer and more sanitary. In addition, the utility model further provides an electric heating thermos bottle with the coupler structure.

The utility model relates to the field of pressure cookers, and discloses a pressure cooker double-sealing mechanism which comprises an inner pot and a pot cover, a pot opening sealing ring used for sealing a pot opening of the inner pot is fixedly arranged on the pot cover, the pot opening sealing ring is annular and arranged on the inner side of the pot opening of the inner pot, and a cover plate assembly is arranged on the lower portion of the pot cover. The cover plate assembly comprises a plate body and a cover plate sealing ring fixedly arranged on the outer side of the plate body in a sleeving mode, the pot opening sealing ring comprises a first protruding strip, the cover plate sealing ring comprises a second protruding strip, and the second protruding strip abuts against the inner side of the first protruding strip. According to the double-sealing mechanism of the pressure cooker, the cooker opening sealing ring and the cover plate sealing ring are arranged, when the pressure of the inner cooker rises, the cooker opening sealing ring abuts against the inner side of the cooker opening for sealing, meanwhile, the cover plate sealing ring is pressed to deform towards the outer side, and therefore secondary extrusion is conducted on the cooker opening sealing ring, and the effect of improving the sealing performance of the cooker opening sealing ring is achieved; the pot opening sealing ring is not easy to deform towards the inner side when shrinking, so that the service life of the pot opening sealing ring is prolonged.

The utility model relates to the field of pressure cookers, and discloses a pressure cooker sealing mechanism capable of prolonging service life, which comprises an inner cooker body and a cooker cover, a cooker opening sealing ring used for sealing a cooker opening of the inner cooker body is fixedly arranged on the cooker cover, the cooker opening sealing ring is annular and is arranged on the inner side of the cooker opening of the inner cooker body, and a cover plate assembly is arranged on the lower portion of the cooker cover. A cover plate sealing ring is annularly arranged on the outer edge of the cover plate assembly, and the outer side of the cover plate sealing ring abuts against the inner side of the pot opening sealing ring. According to the pressure cooker sealing mechanism capable of prolonging the service life, the cover plate sealing ring abuts against the cooker opening sealing ring, so that the cooker opening sealing ring is not prone to deformation towards the inner side when shrinking, the sealing performance of the cooker opening sealing ring can still be guaranteed, and therefore the service life of the cooker opening sealing ring is prolonged; the cover plate assembly is arranged to be detachable, a user can conveniently detach and clean the cover plate assembly after cooking, the cleaning convenience is improved, and sanitation is achieved.

The utility model discloses an integrated tea rolling machine set system, relates to the field of tea rolling machines, and solves the problems that a tea pressing device of an existing tea rolling machine is fixedly mounted and is troublesome to clean, cleaning experience is affected, and the quality of tea is affected due to direct contact between the tea pressing device and the tea, the integrated tea rolling machine set system comprises a bottom plate and a rotating plate, the rotating plate is hinged to the top of the bottom plate, an angle adjusting assembly is fixedly installed at the top of the bottom plate and hinged to the rotating plate, a tea rolling assembly is fixedly installed at the top of the rotating plate, and a dismounting assembly is fixedly installed on one side of the tea rolling assembly; and the dismounting and mounting assembly comprises a dismounting and mounting frame and a threaded rod II. According to the tea rolling device, the tea rolling barrel can be quickly detached, so that the tea rolling barrel is more convenient to detach and more convenient to clean, the tea rolling barrel is more sanitary to use due to timely cleaning, the situation that the quality of tea leaves is affected by dirt is reduced, the using effect is better, and the using experience is guaranteed.

The utility model provides a drainage device facilitating bladder pressure measurement, and relates to the field of medical instruments. The drainage device facilitating bladder pressure measurement comprises a drainage bag, a drainage tube and a branch tube connected with the drainage tube, the top of the drainage bag is connected with a first flow guide tube, the top of the first flow guide tube is fixedly connected with a fixing cylinder with the interior communicated, and the inner wall of the fixing cylinder is slidably connected with a sealing plug used for sealing the top end of the first flow guide tube; two fixing rods are symmetrically and fixedly connected to the side, close to the first flow guide pipe, of the sealing plug, clamping plates are jointly and fixedly connected to the ends of the fixing rods, and connecting rods extending to the outer sides of the fixing cylinders are fixedly connected to the outer sides of the clamping plates; a through groove is formed in the top of the fixing cylinder, and a second flow guide pipe extending into the first flow guide pipe is inserted into the through groove in a penetrating mode. According to the drainage apparatus convenient for measuring the bladder pressure, the drainage bag can be cleaned, so that the drainage bag can be recycled while the sanitary use of the drainage bag is ensured, the use cost is reduced, and the practicability is high.

The utility model belongs to the technical field of food processing devices, and discloses a food processor safe to use, which comprises a cup body with a built-in smashing cutter, a cup cover covering the cup body, and a heating piece for heating the cup body, the top wall of the cup cover is provided with an air hole deviating relative to the center of the cup cover, the air hole is communicated with an inner cavity of the cup body, and the cup cover is provided with an air outlet communicated with the inner cavity of the cup body. The top wall of the cup cover is provided with a connecting plate extending downwards along the edge of the air hole and a shielding plate formed by transversely bending the bottom end of the connecting plate, and the shielding plate is arranged under the air hole in a shielding mode. Smooth ventilation of the cup cover is achieved, meanwhile, liquid splashing is prevented, the use safety of the whole machine is improved, the structure of the cup cover is simplified, the production cost is reduced, convenience such as cleaning and uncovering is provided for a user in the use process of the user, use of the user is facilitated, and the use experience of the user is improved.

A kind of convenient filling rotary powder box, including base and box cover, the upper end surface of base is shaped with a circular ring-shaped net seat, the inner container cover that can be opened and closed is equipped on net seat, inner container cover is combined by flip and rotary cover, the lower end of inner container cover and the inner wall between base form loose powder accommodating cavity, the opening for filling powder is equipped on the bottom of base, the opening is sealed with bottom piece.The powder is filled by pouring, the lower end of base is opened, the bottom piece is pressed in after filling powder, so that the residual powder of edge after filling powder is easy to clean;Inner container cover is designed to be combined structure by flip and rotary cover, greatly improve the phenomenon of powder flying when opening;Rotary cover is positioned by clamping screw and net seat, better than single flip structure in air tightness;Net seat is integrally formed with base, structure is simpler, assembly is more convenient.The utility model discloses structure design is reasonable, adopts rotary cover opening, effectively reduces the powder flying when opening, is more sanitary to use, good sealing performance, effectively avoid cosmetic powder pollution, improve the service life of cosmetic powder.

The utility model discloses a biscuit horizontal conveying device, and relates to the technical field of biscuit production. The device comprises a conveying groove, a baffle, a bottom plate and a vibration assembly, the vibration assembly is arranged at the bottom of the conveying groove and comprises a base and vibration motors, the vibration motors are symmetrically fixed to the top of the base, L-shaped limiting plates are movably connected to the two sides of the base, and the bottom plate is fixed to the lower portions between the vertical parts of the two L-shaped limiting plates. And a limiting plate is fixed to the upper portion of the side, away from the center of the bottom in the conveying groove, of the baffle. Through the arrangement of the conveying groove, the baffle, the bottom plate and the vibration assembly, the problems that due to the fact that belt type conveying is adopted in the horizontal biscuit conveying device, scraps are easily conveyed to a transmission structure and left on the transmission structure to cause deterioration pollution, and the situation of material leakage possibly occurs in the conveying process are solved.

The utility model discloses a low-noise low-temperature-resistant corrosion-resistant flexible cable, which relates to the technical field of cables and comprises a cold-resistant outer rubber layer, the surface of the cold-resistant outer rubber layer is provided with a hydrophobic coating, the inner wall of the cold-resistant outer rubber layer is fixedly connected with a ground wire conductor layer, the inner wall of the ground wire conductor layer is provided with a noise shielding layer, and the noise shielding layer is fixedly connected with the ground wire conductor layer. A wire rubber sheet is arranged on the inner wall of the noise shielding layer, a conductor is arranged on the inner wall of the wire rubber sheet, a filling part is in lap joint with the surface of the wire rubber sheet, and the cold-resistant outer rubber layer is made of a silicon rubber material. According to the utility model, through the arrangement of the noise shielding layer, when static electricity is generated in the use process of the cable, the generated static electricity is guided under the action of the copper wires which are interwoven in the noise shielding layer, so that the static electricity is prevented from entering the conductor and interfering a transmitted signal, and meanwhile, under the action of the hydrophobic coating, the static electricity is prevented from entering the conductor. Liquid splashed to the surface of the cable is dredged, and the situation that the liquid adheres to the surface of the cable, and consequently aging of the cable is accelerated is avoided.

The utility model discloses a urethral catheterization sampling device for nephrology department, which comprises a urethral catheter and a urine storage bag, the end part of the urethral catheter is connected with the urine storage bag through a sampling mechanism, one side of a urethral catheter barrel is hermetically communicated with a side tube barrel, a sealing block is arranged in the side tube barrel, a through hole with an L-shaped structure is arranged in the sealing block, a urine outlet tube is also arranged on the sealing block, and the urine outlet tube is connected with the urethral catheter. Two limiting rods which can be transversely drawn are inserted into the side wall of the side pipe barrel, and reset springs are arranged on the limiting rods in a sleeving mode. According to the urethral catheterization sampling device for the nephrology department, during sampling, the urine outlet pipe is squeezed inwards to eject the sealing block into the urine passing pipe barrel, urine is prevented from flowing into the urine storage bag, the urine in the urethral catheterization pipe can be directly discharged into the sampling cup through the through hole and the urine outlet pipe, after sampling is completed, the urine outlet pipe is loosened, the sealing block is pulled back to the original position through the pulling force of the reset spring, and then the urine passing pipe is opened. And the urine in the catheter flows into the urine storage bag, so that the operation is simple, convenient and sanitary, the urine cannot be scattered, a connecting pipe does not need to be repeatedly inserted, and the use is very convenient.

The utility model discloses a welding mask which comprises a mask body, one side of the mask body is in bolted connection with a light filtering protection cover, the side wall of the mask body is fixedly connected with a head sleeve elastic band, the side wall of the mask body is fixedly connected with a breathing tube, the side wall of the breathing tube is fixedly connected with an air inlet cover, and the top of the breathing tube is provided with a pair of fixing grooves. Fixing grooves are formed in the breathing tube, a filter plate and a polytetrafluoroethylene filter plate are arranged in the fixing grooves respectively, an adjusting groove is formed in the portion, located between the fixing grooves, in the breathing tube, and a limiting plate is arranged in the adjusting groove. Then a pull rod is rotated in an arc-shaped groove, so that a limiting plate is rotated to the position, far away from the top of a fixed plate, in an adjusting groove, a pull rod can be pulled to pull out a filter plate and a polytetrafluoroethylene filter plate for cleaning or replacement, and the convenience performance of the device is improved.

The utility model discloses a garbage collecting and releasing device, and relates to the technical field of municipal construction equipment, the garbage collecting and releasing device comprises a garbage collecting and releasing device main body and further comprises a garbage collecting mechanism, when pedestrians need to throw garbage, the garbage is thrown into the garbage collecting mechanism through a square opening formed by four supporting frames, and the garbage collecting mechanism is convenient to use. When sanitation workers need to clean the garbage, the garbage can opening and closing door is opened, then the garbage collection bin is pulled out through the movable handle, the garbage collection bin moves in the corresponding sliding way through the movable sliding block at the bottom, and after collection is completed, the garbage can be collected through the garbage collection bin. The garbage collection bin slides into the garbage collection and release box through the movable sliding block, meanwhile, the garbage collection bin is fixed into the garbage collection and release box through the magnetic adsorption strip on the rear portion, garbage thrown by pedestrians is conveniently prevented from falling into a gap between the garbage collection and release box and the garbage collection bin through the arrangement of the garbage collection mechanism, and the working efficiency of garbage cleaning personnel is improved.

A ready-to-prepare tea drink bottle cap internally provided with tea powder is in threaded connection with a mineral water bottle opening and comprises a cap body (1), an inner cylinder (2) and an outer cylinder (3), the cap body (1) and the inner cylinder (2) are connected through a set of right threaded sliding ways matched with each other, an annular step (101) in the cap body (1) is connected with the upper end of the inner cylinder (2) in a sleeved mode, and the upper end of the cap body (1) is in right threaded connection with the upper end of the outer cylinder (3). A sealing film (4) for forming a closed cavity for placing tea powder is arranged in the outer cylinder (3); the inner cylinder (2) is arranged above the sealing film (4), and a plurality of tooth-shaped bulges (201) are arranged at the lower end of the inner cylinder (2); the thread pitch of the threaded slideway is greater than that of the right thread at the upper end of the outer cylinder 3; the cover body (1) is provided with a limiting face (102) used for positioning the initial position of the inner cylinder (2), when the inner cylinder (2) is located at the initial position, the cover body (1) is rotated leftwards to be gradually separated from the outer cylinder (3), meanwhile, the inner cylinder (2) rotates and moves downwards to eject the sealing film (4) open, tea powder falls into a mineral water bottle to be mixed with water, cold making tea is formed, and use is convenient and sanitary.