50results about How to "Easy to ventilate and dry" patented technology

The invention discloses a humidity sensing type tower disinfecting and drying rack. A fan component is connected with a hollow support rod, fixed supports are mounted at two ends of the hollow support rod, rotary sleeves are mounted on the hollow support rod, hollow towel rods are mounted on the rotary sleeves, communication holes are reserved at positions of the hollow support rod corresponding to the hollow towel rods, air holes are reserved on the hollow towel rods, and electric heaters are mounted in the hollow towel rods. The humidity sensing type towel disinfecting and drying rack has the advantages that by feeding air through pipes, towel ventilation and drying are facilitated; the hollow towel rods can rotate horizontally by 180 degrees, the whole drying and hanging space is controlled freely, wet and dry towels can be separated, independent drying and hanging space of each towel can be kept, so that cross infection of bacteria is avoided; a humidity sensor is arranged on the top of hollow towel rod to sense humidity of the towels; and a PTC (positive temperature coefficient) heater and ultraviolet generator are independently arranged in each hollow towel rod so as to heat and disinfect the towels.

The invention relates to the technical field of agricultural product processing equipment and discloses a three-dimensional box-type hot air circulation device. The three-dimensional box-type hot air circulation device comprises a box body composed of a main machine room, an air flue and a drying chamber, wherein the main machine room is located on one side of the drying chamber and the air flue is located above the drying chamber. A compressor and an evaporator are arranged in the main machine room, the evaporator is installed above the compressor in an inclined mode, a condenser is arranged above the evaporator, and the air outlet of the condenser is connected to one end of the air flue. A moisture removal fan is arranged at the top end of the air flue, a main fan is arranged at the part, close to the condenser, in the air flue, a circulating fan is arranged at the other end of the air flue, and an auxiliary heater is arranged between the circulating fan and the main fan. According to the invention, an arc-shaped air guide plate is adopted for guiding hot air, the hot air is prevented from suddenly turning and generating vortexes, and therefore loss of wind energy is prevented; air dividing plates are arranged to control flow of the hot air; the hot air mingled with moisture is recycled, so that heat loss is reduced. The three-dimensional box-type hot air circulation device effectively achieves energy conservation and emission reduction and is an environment-friendly and energy-saving device.

The invention relates to an agricultural machine, in particular to a straw cutting and recycling machine. The straw cutting and recycling machine comprises a traction frame (1), a frame and a transmission device which are matched with a tractor, and is characterized in that the frame is a housing (2) which is encircled by an upper cover plate (7) and side plates (8) on two sides, a cutter (4) is mounted in the front of the inside of the housing (2), a thrower (5) is mounted in the rear of the inside of the housing (2), a transverse cutting shaft (9) is mounted in the cutter (4), a plurality of circular saws (10) are mounted on the cutting shaft (9), a plurality of saw teeth are distributed on the periphery of each circular saw (10), and one end of the cutting shaft (9) is in transmission connection with a transmission wheel (3). The straw cutting and recycling machine has the advantages that straws can be cut into small sections to be convenient for aeration-drying and not easy to mildew and rot during storage, so that harvesting is performed synchronously in the early stage of straws with much moisture, the straws are suitable for storage in net bin storage equipment, fuel is provided for air-assisted cooling stoves, and the purposes for coal saving, environmental protection, full utilization of crop straws and farmers' income increasing are achieved.

The invention relates to a storage device. The storage device comprises a functional box and at least one storage box, wherein a storage cavity, an air inlet channel and an air outlet channel are formed in the storage box, and the air inlet channel and the air outlet channel communicate with the storage cavity; the functional box is detachably connected with the storage box, the functional box comprises an air supply mechanism, and under the working condition that the functional box is connected with the storage box, an air outlet of the air supply mechanism communicates with the air inlet channel so as to supply air to the storage cavity through the air inlet channel. According to the storage device, the storage boxes and the functional box are detachably connected, a user can select one or more storage boxes to be connected with the functional box according to needs conveniently, use is flexible, the air supply mechanism can conduct ventilation and drying treatment on stored objects in all the storage boxes, and the problems that an existing storage device for storing the shoes is poor in use flexibility and cannot conduct ventilation treatment on the shoes are solved.

The invention provides a self-drying damp-proof corn cob storage bin. The storage bin comprises a bin body, a shading device and a cap body; the shading device is arranged on the outer sides of the bin body and the cap body, the cap body comprises an upper cap body and a lower cap body, the upper cap body is fixed above the lower cap body through cap body pillars, a ventilation opening is formed in the central part of the lower cap body, and the shading device is made of waterproof materials matched with the bin body and the cap body and is detachably fixed on the outer sides of the bin body and the cap body. According to the self-drying damp-proof corn cob storage bin, structure arrangement is optimized, ventilation and drying of corn cobs are facilitated, and manpower and time waste caused by spreading air-drying is avoided; a fan and a heating device are arranged, the ventilation effect is improved, and drying and air-drying conducted by hot airflow on the corn cobs is facilitated; due to the fact that an insect repellent containing box is arranged, intruding and breeding of insects and bacteria of moths are avoided; by means of the bin body design, high pressure is fed into the bin body to remove the insects and kill the bacteria, ozone is generated, and therefore good drying, damp preventing and insect removing effects are achieved.

The invention relates to a device for making EPS extruded boards, in particular to a polystyrene pre-curing system comprising a stock bin vibrating and screening device, a stirring tank, an automatic sprinkling device and a pre-curing bin. The bottom of a vibration rack of the stock bin vibrating and screening device is connected with an eccentric wheel; a screening frame comprises a conical screening net and an annular material receiving groove; the bottom face of the stirring tank is of a slope surface structure; a lifting auger is arranged on the middle portion in the tank; an arc-shaped discharging face is arranged on the top of the lifting auger; the automatic sprinkling device is arranged in the stirring tank; a protective screen is arranged on a discharging port of the stirring tank; the pre-curing bin comprises a buffering bin and a feeding bin; the buffering bin comprises a bottom plate, a protective screen and an observation window; the bottom plate of the buffering bin is provided with a breathable groove; and a gas dispersing cavity is formed below the bottom plate. By means of the device, impurity materials can be conveniently removed, the suspension time of polystyrene particles in the tank is prolonged, mixing is more uniform, flying of materials is effectively prevented, and expansion stress is buffered.

The invention provides a multifunctional chopping board. Panel connecting grooves are formed in the two ends of the chopping board. Magnet blocks are installed in the panel connecting grooves. A base boss is arranged on a base. Base grooves are symmetrically formed in portions, on the two sides of the base boss, of the base, the panel connecting grooves are formed in the base boss, the top of a net cover is provided with a handle, the bottom of the net cover is installed into the base grooves, a chopping board boss is arranged on the upper face of the chopping board, bowl grooves and bottle grooves are formed in the chopping board boss respectively, a panel installation groove is formed in one side of the chopping board, a panel is installed in the panel installation groove, knife holes are formed in the other side of the chopping board, oval magnetic blocks are installed on the orifices of the knife holes, chopping knives are inserted into the knife holes, the oval magnetic blocks attract the chopping knives, and the chopping board is covered with the net cover. The multifunctional chopping board is reasonable in design and can ensure that the chopping board stands on the base, ventilation and drying are facilitated, the chopping knives, bowls and bottles can be placed on the chopping board, the multifunctional chopping board has the advantage of being high in practicability, and kitchen space occupied by kitchen utensils is reduced.

The invention provides a layering type umbrella holder, comprising an upper support, a middle support and a bottom water storage disk, wherein the upper support and the middle support are both sector frames of which the central angles are orthogonal; the upper support is slightly larger than the middle support; the water storage disc is a sector disk of which the central angle is orthogonal; the peaks of the upper support, the middle support and the water storage disk are connected through an upright; the radiuses at two sides of the sectors are on the same vertical plane; and one or a plurality of hooks are arranged on the upper support. As being in a sector structure, the layering type umbrella holder provided in the invention can be placed at a wall corner of a doorway to save space; when in use, a folding umbrella can be hung on a hook, a nonfolding umbrella can lean against the upper support and the middle support; and the bottom water storage disk is used for storing rainwater dripping from the umbrella. The umbrella holder is simple in structure, thus being beneficial to aeration drying of umbrellas. By using the layering type umbrella holder of the invention, the technical problems that the existing umbrella holder has relatively complex structure, occupies larger space and is unfavorable to aeration drying of umbrellas are solved.

The invention relates to an airing frame, in particular to a soybean airing frame. The soybean airing frame is smooth in ventilation, excellent in airing effect and high in efficiency. The soybean airing frame comprises a base, a right bracket, a left bracket, a rectangular frame plate, grid plates, a first rotating roller shaft, a first rotating shaft, a first bearing, a second bearing and a first rotating wheel; the right bracket is connected to the right end of the top of the base; the left bracket is connected to the left end of the top of the base; the rectangular frame plate is positioned above the right bracket and the left bracket; the right bracket and the left bracket are both connected with the rectangular frame plate; and three grid plates are uniformly arranged in the rectangular frame plate. The soybean airing frame enables people to pave soybean rods with soybean pods on the grid plates for airing, is convenient to ventilate and air the soybean rods, achieves excellent airing effect and high efficiency, and facilitates subsequent threshing operation.

The invention relates to the field of tunnel brick transportation equipment, in particular to a sectionalized brick transportation case. The sectionalized brick transportation case comprises a case cover and a case body, wherein the case cover and the case body are rotationally installed in a matching manner through screw threads, a connecting ring is arranged at the left end of the case body, a sliding groove is perpendicularly formed in the right end of the case body, a sliding block is installed in the sliding groove in a slideable and matching manner, a connecting rod is rotationally installed in the sliding block through a rotating shaft, and a hook matched with the connecting ring is arranged at the outer end of the connecting rod; a plurality of side holes used for ventilation are symmetrically formed in the two sides of the case body, a plurality of separation plates which are installed in a mutually vertically crossed manner are arranged in the case body, and the case body space is separated into a plurality of square grooves matched with tunnel bricks in size; and a rubber pad is arranged at the bottom of the case body, and the inner walls of the separation plates and theinner wall of the case body are provided with protection pads used for protecting the tunnel bricks. The sectionalized brick transportation case is convenient to operate and safe to transport and hasgood use and popularization value.

A sofa maintenance device for maintenance of office equipment includes an extension mechanism, a cleaning structure, a hose, a loading mechanism, a storage and a winding mechanism, and is characterized in that one end of the extension mechanism is installed with a cleaning structure, the other end of the extension mechanism is fixed with the hose, the loading mechanism is installed at one end of the hose, a storage device is fixed on one side wall of the loading mechanism, the winding mechanism is installed in the middle of the loading mechanism; the winding mechanism is wound with a hose; thedevice is provided with an atomizer capable of humidifying the brush head, the atomizer converts the cleaning liquid in the reservoir into water vapor, The hose is introduced into the brush head, andthe servo motor is used to drive the belt to rotate, and the gear drives the brush head to rotate under the action of the belt, so that the sofa can be scrubbed and cleaned to a certain extent, and the atomized liquid does not soak the sofa, dampens the sofa, and is convenient for the sofa to be ventilated and dried.

The invention discloses an airing frame for boards for machining of purifiers. The airing frame comprises a supporting barrel; the bottom end of the supporting barrel is open; the bottom end of the supporting barrel is fixedly connected with a base; a screw rod is rotationally installed on the inner top wall of the supporting barrel; the bottom end of the screw rod is rotationally connected with the base; through openings are symmetrically formed in the middle of the side wall of the supporting barrel; fixing blocks are installed inside the two through openings symmetrically in a sliding mode;the sides, away from each other, of the two fixing blocks are fixedly connected to the inner wall of an outer sleeve ring; the supporting barrel is sleeved with the outer sleeve ring; the sides, close to each other, of the two fixing blocks are fixedly connected to the outer wall of an inner sleeve ring; the screw rod is sleeved with the inner sleeve ring in a threaded mode; and connection blocksare symmetrically hinged to the positions, above the through openings, of the outer side wall of the supporting barrel. Through design of a first clamping board, a connection barrel, a telescopic rod, a spring, a second clamping board and a limiting groove, the edges of boards can be clamped and fixed according to the size and thickness of the boards, and paint on the boards is prevented from being scraped.

The invention discloses a raw brick blank airing support. The support is composed of a plurality of partition plates. Each partition plate is composed of a plate face, a base and inserting grooves, wherein each plate face is of a cuboid structure, each base is composed of two parallel transverse rods, the transverse rods are located on the lower portions of the two ends of the corresponding plate face, the axes of the transverse rods are perpendicular to the axis of the corresponding plate face, the base is fixedly connected with the plate face, two inserting grooves are further formed in the upper portion of the plate face, and are parallel, and the inserting grooves are located over the transverse rods correspondingly and are matched with the transverse rods in size. During use, the partition plates are used in cooperation. Compared with the prior art, the raw brick blank airing support has the beneficial effects of being simple in structure, facilitating mechanical carrying, facilitating raw brick blank ventilating and airing and the like, and the labor efficiency is greatly improved.

The invention relates to a device for manufacturing an EPS extruded plate, in particular to a double-layer polystyrene curing bin. The double-layer polystyrene curing bin comprises a supporting rack and bin bodies arranged on the supporting rack. The multiple bin bodies are arranged side by side. Each bin body comprises a bin body rack, an interior ventilation screen and a top ventilation screen, the interior ventilation screen and the top ventilation screen are connected to the bin body rack in a hung mode, and the interior ventilation screen comprises an upper layer and a lower layer; a material inlet is formed in the upper portion of the upper interior ventilation screen layer and is connected with a material inlet induced draft fan, an upper layer discharge outlet is formed in the bottom of the upper interior ventilation screen layer, a timer is arranged at the upper layer discharge outlet, and the timer control end is connected with a control valve; and a lower layer discharge outlet is formed in the bottom of the lower interior ventilation screen layer, a timer is arranged at the lower layer discharge outlet, and the timer control end is connected with a control valve and a discharge outlet induced draft fan. The device provided by the invention is simple in structure, convenient to operate, small in occupied space, low in cost and high in efficiency, materials can be effectively prevented from flying away, swelling stress can be further buffered and released, and the curing time can be better controlled.

The invention discloses a high-moisture oat hay modulation method for alpine pasturing regions. The method comprises the following steps 1, variety selection, wherein an oat variety suitable for planting in the alpine pasturing regions is selected; 2, harvesting, wherein harvesting is carried out in the blooming state, and stubbles with the length of 15 cm are reserved; 3, airing, wherein harvested oat grass is aired until moisture is lost to 25-26%; 4, bundling, wherein the oat grass is bundled into square bundles or rectangular bundles with the weight of 25-50 kg by using a small bundling machine; 5, stacking, wherein the grass bundles are stacked in the shape like the Chinese character 'shan' or 'pin' in a straw shed, and the distance between every two adjacent grass bundles is 15 cm; the grass bundles can be directly stacked on cement ground; if the grass bundles are placed on soil, a frame which is 15-20 cm away from the ground is erected by using wood or steel ribs, and then thegrass bundles are stacked on the frame.

The invention discloses an industrial hemp harvesting device and method. The industrial hemp harvesting device structurally comprises a harvester, a cab and a power source. An upper-layer cutting mechanism and a lower-layer cutting mechanism are arranged in front of the harvester, a seed leaf box and a hemp stalk box are arranged behind the harvester, an upper-layer conveying mechanism is arranged between the upper-layer cutting mechanism and the seed leaf box, a lower-layer conveying mechanism is arranged between the lower-layer cutting mechanism and the hemp stalk box, and the upper-layer conveying mechanism and the lower-layer conveying mechanism are both arranged on the same side of the cab and the power source; and the hemp stalk box is arranged on the rear side of the harvester, a door is arranged on the rear side of the hemp stalk box and serves as a stalk outlet, tires are arranged below the hemp stalk box, the seed leaf box is arranged above the hemp stalk box, and a matched use method is further provided. By improving the structure and designing the matched method, stalks and leaves can be collected at the same time, and preliminary separation and storage in the early stage are achieved, so that the convenience degree of subsequent processing is improved.

The invention discloses a double-sided sweat-absorbent anti-skid yoga mat, and belongs to the field of yoga mats. The double-sided sweat-absorbent anti-skid yoga mat comprises a yoga mat body, whereinlong grooves are formed in the upper end and the lower end of the yoga mat body respectively, the long grooves are formed in the edges of the yoga mat body, and silica gel gaskets are fixedly connected to the long grooves; two pairs of openings are formed in the yoga mat body, and sweat-absorbent anti-skid blocks are arranged at the openings; each sweat-absorbent anti-skid block comprises a silica gel pad, a quick-drying sweat-absorbent cotton block, a rubber block and a base plate; a plurality of small holes are formed in the silica gel pads from top to bottom, and sweat-absorbent contacts are arranged in the small holes; the lower ends of the sweat-absorbents contacts are fixedly connected with the quick-drying sweat-absorbent cotton blocks. By means of the yoga mat, areas where palms are placed are not likely to slide when adho mukha svanasana and other actions needing the palms to be attached to the mat surface need to be done; besides, sweat of the palms can be effectively removed, postures can be effectively fixed, and normative training of the actions is facilitated; meanwhile, the use experience and the personal safety of a user can be improved.

The invention relates to a device for manufacturing an EPS extruded sheet, in particular to a polystyrene receiving bin. The polystyrene receiving bin comprises a protective screen for a discharge hole of a stirring tank, a buffer bin and a charge bin which is arranged in an extending direction of the buffer bin and mutually communicates with the buffer bin, wherein the buffer bin comprises a buffer bin bottom plate, a buffer bin upper protective screen, protective screens on two side surfaces of the buffer bin and a buffer bin observation window arranged at one end opposite to the charge bin; a receiving hole of the protective screen for the discharge hole of the stirring tank is formed in the upper portion of the buffer bin upper protective screen, and communicates with a bin body; the buffer bin bottom plate is provided with gas ventilating slots which are inclined towards the charge bin; a gas dispersing cavity is formed below the buffer bin bottom plate; and the gas dispersing cavity communicates with an air blower. The polystyrene receiving bin provided by the invention is simple in structure, is convenient to operate, is low in manufacturing cost, is light in weight, can effectively prevent materials from floating to relieve expansion stress of the materials, and is convenient for a user to observe a material condition in the receiving bin.

The invention discloses a paper collecting device comprising a base, a shell, a mounting chamber, three sets of storing boxes and a second air guiding cavity. Travelling wheels are mounted at the bottom of the base. The base is internally provided with a placing groove, and a storage battery is mounted in the placing groove. The shell is mounted at the top of the base. A supporting rod is mountedin the center of the bottom end of the interior of the shell through a rotating disc. The three sets of storing boxes are mounted on the supporting rod at equal intervals, and net plates are mounted on the bottom surfaces of the interiors of the storing boxes. Mounting seats are mounted on the two side walls of the interior of the shell correspondingly, and LED lamp tubes are mounted in the mounting seats. The paper collecting device is composed of a series of structures such as the base, the shell, the mounting chamber, the storing boxes and the second air guiding cavity, the supporting rod can rotate through the rotating disc, different types of paper is conveniently collected through the storing boxes, the interior of the paper collecting device can be ventilated and dried through a draught fan, guided air can be heated by heating resistor wires, practicability is high, and the paper collecting device is worth using and popularizing.

The invention discloses a modular integral mobile house. The modular integral mobile house includes an inner house body, a base, an outer house body and connection devices; the inner house body is fixed on the center of the top of the base; an opening is formed in the top of the inner house body; the outer house body is positioned outside the inner house body; the bottoms of the two sides of the outer house body are rotatably connected to the base through hinges; the outer house body includes a first house body and a second house body; the first house body and the second house body are fixed through the connection devices; each connection device includes an installation plate, a connection plate, a compressed spring, a first fixing plate, a second fixing plate, a threaded rod, and a fixingnut, wherein one side of the installation plate is fixed with the first house body, one end of the compressed spring is fixed with the connection plate, the other end of the compressed spring is fixed with the first fixing plate, and the first fixing plate is fixed on the installation plate. According to the modular integral mobile house, the outer house body can be opened by the connection devices, sunlight can enter the house via the opening formed in the top of the inner house body, ventilation and drying of the house is facilitated, and the modular integral mobile house facilitates humandwelling.

The invention relates to a device for making EPS extruded boards, in particular to a polystyrene mixed buffer system, which includes a tank body, an automatic spray device and a blanking bin, and the bottom surface of the tank body is a slope structure with high surroundings and low middle , There is a lifting auger in the middle of the tank body, an arc-shaped discharge surface is provided on the top of the lifting auger, and the nozzle of the automatic spraying device is set directly above the arc-shaped discharge surface. The humidity sensor controls the nozzle, and the discharge port of the tank is set. There is a protective screen. The blanking bin includes a buffer bin and an inlet bin. The buffer bin is equipped with a protective screen and an observation window. The gas dispersion chamber communicated with the blower. The device provided by the invention is beneficial to prolong the suspension time of polystyrene particles in the tank, make the spraying and mixing more uniform, realize automatic control of the humidity in the tank, and effectively prevent materials from flying and buffer expansion stress.

The invention discloses a double-sided sweat-absorbent anti-skid yoga mat, and belongs to the field of yoga mats. The double-sided sweat-absorbent anti-skid yoga mat comprises a yoga mat body, whereinlong grooves are formed in the upper end and the lower end of the yoga mat body respectively, the long grooves are formed in the edges of the yoga mat body, and silica gel gaskets are fixedly connected to the long grooves; two pairs of openings are formed in the yoga mat body, and sweat-absorbent anti-skid blocks are arranged at the openings; each sweat-absorbent anti-skid block comprises a silica gel pad, a quick-drying sweat-absorbent cotton block, a rubber block and a base plate; a plurality of small holes are formed in the silica gel pads from top to bottom, and sweat-absorbent contacts are arranged in the small holes; the lower ends of the sweat-absorbents contacts are fixedly connected with the quick-drying sweat-absorbent cotton blocks. By means of the yoga mat, areas where palms are placed are not likely to slide when adho mukha svanasana and other actions needing the palms to be attached to the mat surface need to be done; besides, sweat of the palms can be effectively removed, postures can be effectively fixed, and normative training of the actions is facilitated; meanwhile, the use experience and the personal safety of a user can be improved.

The invention provides a solar drying moistureproof corn cob storage bin. The solar drying moistureproof corn cob storage bin comprises a bin body, a shielding device, a cap body and a solar device, wherein the shielding device is arranged outside the bin body and the cap body, the solar device comprises a solar panel, the solar panel is connected with the cap body through a strut, and a ventilating opening is formed in the center of the cap body. As the solar device is arranged, cleanness and energy conservation are achieved; by optimizing structural arrangement, corn cobs are ventilated and dried conveniently, and manpower and time waste caused by spreading airing is avoided; a fan and a heating device are arranged, the ventilation effect is improved, and hot air flow can dry and air the corn cobs conveniently; an insectifuge containing box is arranged and prevents moths and other entomogenous fungi from infestation and breeding, and storage, drying and moistureproof effects on the harvested corn cobs are achieved conveniently; by means of the bin body design, high pressure is formed in the bin body for deinsectization and sterilization, ozone is generated, and the solar drying moistureproof corn cob storage bin has good drying moistureproof deinsectization effects.

The invention relates to the technical field of cleaning tools, in particular to a cleaning tool placing rack fixed to a wall through an upper support and a lower support, thereby reducing the occupied space. A stand column is arranged between the upper support and the lower support and is used for connecting rotary hangers; the rotary hangers sleeve the standing column by using rotaryconnecting pieces of the rotary hangers; the stand column is sleeved with a plurality of rotary hangers in an up-down distribution mode. The rotating angle of each hanging arm is adjusted by rotating the connecting piece; when the connecting part at the lower part of each hanging arm needs to be connected with a cleaning tool, the upper and lower layers of hanging arms can be staggered, so that the interference of the connecting parts is avoided; each connecting part can be connected with a rod-shaped cleaning tool, so that centralized hanging and storage of a plurality of rod-shaped cleaning tools are achieved; when the placing rack is not used, all the rotary hangers can be rotated to be in an overlapped state, so that the occupied space is reduced; ventilation and drying of the tools are facilitated by adopting a hanging storage state, so that the breeding of bacteria and worm eggs is avoided.

The invention discloses a safe and high-efficiency raw brick drying device, which comprises a plurality of partitions. The partition is composed of a board surface, a base and a slot. The board surface is a cuboid structure, and the base is composed of two parallel bars. The crossbars are respectively located at the lower parts of the two ends of the board surface. The axis of the crossbar is perpendicular to the axis of the board surface. They are respectively located directly above the cross bar and the dimensions are adapted to each other. When in use, the partitions cooperate with each other. Compared with the prior art, the present invention has the advantages of simple structure, convenient mechanical transportation, convenient ventilation and drying of raw bricks, etc., and greatly improves labor efficiency.

The present invention relates to the technical field of articles for daily use and discloses an electric toothbrush and a motor device thereof. The electric toothbrush comprises a toothbrush body, stator iron cores are arranged in the toothbrush body, a magnetic steel structure is arranged on the stator iron cores, a fixed shaft is fixedly arranged at top parts of both sides of the toothbrush body, rotating arms are movably sleeved on the fixed shaft, one ends of the rotating arms are fixedly connected with a dust blocking box, a fixed groove is formed in a front surface of the dust blocking box, besides, a connecting shaft is hinged in the dust blocking box, and both ends of the connecting shaft respectively extend into the fixed groove. In the electric toothbrush, the rotating arms rotate, after the use of the electric toothbrush, the dust blocking box rotates to a brush head of the toothbrush to conduct protection of the used brush head of the toothbrush and prevent outside dust from falling on the brush head of the toothbrush, besides, when the electric toothbrush carelessly drops to ground, the brush head of the toothbrush is protected, thereby improving use life of the brushhead of the toothbrush and being favorable to users' health.

The invention relates to a spiral clamping type excrement picking device. The spiral clamping type excrement picking device is characterized in that a transverse handle, an inclined handle, a spiral excrement clamping rod, a vertical-section clamping plate and a transverse-section clamping plate serve as a main body; arc-section clamping plates fixedly connected with the vertical-section clamping plate and the transverse-section clamping plate respectively are arranged between the vertical-section clamping plate and the transverse-section clamping plate, and a tail cover fixedly connected with the transverse-section clamping plate is arranged at the tail of the transverse-section clamping plate; a convex lug fixedly connected with the transverse handle is arranged at the front end of the transverse handle, and a pin shaft is arranged in the convex lug and penetrates through the inclined handle, so that the inclined handle is conveniently connected to the transverse handle through the pin shaft to rotate; and a pull rope fixedly connected with the spiral excrement clamping rod is arranged at the upper end of the spiral excrement clamping rod, the tail of the spiral excrement clamping rod is fixedly connected with the tail cover, and the other end of the pull rope is fixedly connected with the tail of the inclined handle. Through the spiral structure of the spiral excrement clamping rod, the spiral excrement clamping rod can be inserted into a lawn to clamp dog excrement, the dog excrement is clamped through the spiral opening in an arc section clamping groove, and the design is ingenious; and the spiral structure of the spiral excrement clamping rod in the natural state facilitates ventilation and drying, operation is easy, and use is convenient.

The invention provides a liftable and expandable laundry airing device. The liftable and expandable laundry airing device comprises slide rails, lifting frames and power devices. The slide rails are mounted on a ceiling and internally provided with dovetail grooves, sliders capable of moving along the dovetail grooves are arranged in the dovetail grooves respectively, each slider is connected with one end of the corresponding power device, and the other ends of the power devices are fixed to the slide rails respectively. The lifting frames include a front lifting frame, a rear lifting frame, a left lifting frame and a right lifting frame and are capable of extending and retracting freely.