46results about How to "Realize the opening and closing function" patented technology

The invention discloses a box-type protective atmosphere heat treatment furnace which comprises a furnace body, a furnace door and a charging device. A furnace door sealing device and a furnace door opening device are arranged between the furnace body and the furnace door. The furnace door sealing device comprises a compressing ring, a driving device, a furnace door flange, a sealing flange and asealing ring, wherein the furnace door flange and the sealing flange are respectively and correspondingly arranged on the furnace body and the furnace door; and the sealing ring is arranged between the furnace door flange and the sealing flange. The compressing ring is sleeved on the furnace door flange. An inner flange and a compressing flange are arranged on the compressing ring. A compressing wedge block matched with the compressing flange is arranged on the sealing flange. A compressing inclined plane is arranged on the compressing wedge block. The furnace door opening device comprises a furnace door supporting rod, a rotary lever and a transmission mechanism, wherein the furnace door supporting rod is rotationally arranged on the furnace body; the rotary lever is respectively connected with the furnace door supporting rod and the furnace door; and the transmission mechanism is used for driving the rotary lever to rotate and hoisting the furnace door to one side of the furnace body. Not only does the box-type protective atmosphere heat treatment furnace have better sealing performance and the protective atmosphere with higher class can be used in the furnace, but also the furnace door is convenient to open and close and the box-type protective atmosphere heat treatment furnace is convenient to implement.

The invention relates to a two-position two-way turntable type switching valve and belongs to the field of hydraulic driving. A main structure comprises a valve body, a turntable and an end cap, wherein the valve body is fixed to a base, an oil inlet formed in the end cap coincides with the axis of an oil outlet of a pump body to ensure synchronization of an oil inlet moment of the oil inlet and an oil outlet moment of the oil outlet. The turntable is installed in the cavity formed by the valve body and the end cap, the rotary shaft of the turntable extends out of a central opening of the end cap, a key for being connected with a coupler is arranged at the shaft end, and the turntable can be driven by external power to rotate around its axis. In the rotating process of the turntable, arc-shaped grooves formed in the upper end face and the lower end face respectively enable an oil way between the oil inlet and an oil outlet to be communicated or disconnected at a front semi-cycle station and a rear semi-cycle station. Compared with other two-position two-way switching valves, the two-position two-way turntable type switching valve has the outstanding characteristic of good manufacturability. In addition, the two-position two-way turntable type switching valve has the advantages of being simple and compact in structure, high in reliability, high in working frequency, easy to seal, small in noise and the like and can be widely applied to a hydraulic system switched at high speed and adopting high-speed shock excitation.

The invention belongs to the technical field of rainwater resource reuse, and particularly relates to a rainwater recycling and reusing system based on clean energy. The rainwater recycling and reusing system includes a water diversion system, a filtration system, a water collection system, a water pumping system, a water storing system and an energy supplying system. According to the rainwater recycling and reusing system based on the clean energy, the problems that rainwater collected areas of existing rainwater recycling technologies are disperse, traditional rainwater recycling and using systems have high requirements for water lifting equipment, and adopted equipment such as high-lift pumps can generate high electricity costs are solved. According to the rainwater recycling and reusing system based on the clean energy, a photovoltaic panel power generation device and an improved pressure pump are used for providing power for operation of the rainwater recycling and reusing system,wherein the improved pressure pump is used as a water circulation water lifting device instead of traditional electric pumps, and thus huge power consumption of the rainwater recycling and reusing system is lowered; and solar energy is fully utilized, energy saving and environmental protection are achieved, and the rainwater recycling and reusing system is suitable for popularization.

The invention discloses a push-and-pull and side-hung door and window hardware system. A first lock point for locking a push-and-pull door and window sash in a door and window frame is arranged on the push-and-pull door and window sash. The other side of a side-hung door and window sash is provided with a second lock point for locking the side-hung door and window sash into the door and window frame. The push-and-pull door and window sash and the side-hung door and window sash are provided with the first lock point and the second lock point respectively, the first lock point achieves the antitheft effect and the limiting effect on the side-hung door and window sash, and the second lock point achieves the limiting effect and can be further matched with an anti-misoperation device to achieve the anti-misoperation effect. The push-and-pull door and window sash and the side-hung door and window sash of a push-and-pull side-hung door and window sash can switch off locking connection through a third lock point, the push-and-pull door and window sash is pushed to a proper position wherein the push-and-pull door and window sash and the side-hung door and window sash are overlapped, the push-and-pull door and window sash and the side-hung door and window sash can form a tight integrated structure, and combined linkage of the push-and-pull door and window sash and the side-hung door and window sash is facilitated.

The present invention relates to a glass window which can be automatically traslated and opened. Said invention includes a window body with embedded slideway, said window is partially extended into the wall body, in the wall body a receiving chamber is formed, in the window body and / or the receiving chamber a control device and a drive motor are mounted. Said invention also includes motor output shaft and driving mechanism connected with it, at least a movable glass which can be controlled by said driving mechanism and can be translated along the slideway, when the glass is moved into the receiving chamber, the glass window is opened, when the glass is moved out from the receiving chamber, the glass window is closed.

The invention relates to an unlocking key of a mechanical digital lock. The variable-code key with cylinder shifting teeth is characterized in that: a key rod is provided with multiple shifting tooth holes; the cylinder shifting teeth are mounted in partial or all shifting tooth holes, freely stretch / withdraw relative to the shifting tooth holes, and can switch in different shifting tooth holes; and only one cylinder shifting tooth can be mounted in the shifting tooth holes on the same circumference of the key rod. With a simple structure, the variable-code key provided by the invention not only realizes the intrinsic locking / unlocking function of a key, but also can change the combination of the cylinder shifting teeth and the shifting tooth holes on different positions of the key; and moreover, a novel key component integrating the encryption function and the key locking / unlocking function is created, two simple and convenient cylinder shifting tooth structures are provided, and more other cylinder shifting teeth with the same concept are also applicable. The variable-code key is simple to operate, convenient to use and high in security and suitable to be matched with the concealed digital locks of various safety boxes and security doors.

The invention discloses a powder conveying device and relates to the field of manufacture equipment for an additional material of a powder bed. The powder conveying device is used for solving the problem that since an existing powder conveying device is easily influenced by the particle size and fluidity of powder and the work environment, powder conveying is uneven or the powder conveying deviceis easily damaged. The device comprises a powder box, a powder collection groove assembly, a rotation block assembly and a support. A powder outlet of the powder box is formed above the powder collection groove assembly and provided with a powder leakage insertion strip. The powder collection groove assembly comprises two or more powder collection groove sheets and two powder collection groove catches, a first side face of each powder collection groove catch is in contact with the side wall of the corresponding powder collection groove sheet, and the portions, in contact with the powder collection groove sheets, of the powder collection groove catches are provided with U-shaped hole grooves. A second side face of each powder collection groove catch is provided with a bearing hole and a bearing cover plate, the inner wall of each bearing hole is provided with a seal groove, the bearing cover plates are used for covering the bearing holes, and asbestos ropes are arranged in the seal grooves. The rotation block assembly comprises two rotation catches and a rotation block, and the rotation block is provided with a side notch.

The invention discloses an opening and closing device of a building coating material stirring box. The opening and closing device comprises a feeding box and a driving box, wherein two sides of the upper half portion of the feeding box are provided with limiting mechanisms, one side of the lower half portion of the feeding box is provided with a material guiding mechanism connected with the inner periphery of the feeding box, the bottom of the feeding box is in the shape of a quadrangular frustum pyramid, the driving box is arranged below the feeding box, a box cover is mounted at the top of the driving box through driving bolts, a conveying opening formed in the center of the box cover is fixedly welded to the periphery of the lower half portion of the feeding box, a supporting block is fixedly welded to the side, close to the box cover, of the driving box, a dust removal mechanism penetrating through the driving box and connected with the bottom of the box cover is arranged in a supporting groove formed in the center of the supporting block, and two groups of symmetrical driving mechanisms are arranged on the inner circumference of the driving box. According to the opening and closing device of the building coating material stirring box, materials can be pretreated while the materials can be stably conveyed, and pollution generated in the conveying process is reduced.

The invention discloses a converter valve for a room temperature magnetic refrigerator. The converter valve for the room temperature magnetic refrigerator comprises a valve core and two valve bodies,wherein a sealing groove and a plurality of connecting through holes are formed in the inner side end face of each valve body, the sealing grooves are located on the inner sides of the connecting through holes, and sealing rings are arranged in the sealing grooves; valve core concave platforms are arranged on the inner sides of the sealing grooves, wherein a plurality of fluid through holes are formed in the valve core concave platforms, central through holes are formed in the axis of the valve core concave platforms, and each valve core concave platforms is in an annular shape; the valve corecomprises valve core rods and a valve core disk, wherein two valve core through holes are formed in the valve core disk, and the ends of the two valve core rods are correspondingly connected to the two sides of the valve core disk and located on the same axis; after the two valve bodies are closed, the two valve core rods correspondingly sleeve the interiors of the two central through holes, andthe valve core disk is located in the two valve core concave platforms; and a bolt penetrates through the connecting through holes to fixedly connect the two valve bodies. The invention further discloses a room temperature magnetic refrigerator. The converter valve for the room temperature magnetic refrigerator and the room temperature magnetic refrigerator thereof have the advantages of simple structure, small size, high integration degree, no noise in the commutation process and the like.

The invention relates to the field of fittings of sliding windows and in particular discloses an invisible handle for a sliding window. The invisible handle comprises a handle and a handle base and is characterized in that the handle base is provided with a mounting groove corresponding to the handle in position, a torsion spring and a square cotter are fixed on the handle by virtue of an embossing shaft, the square cotter penetrates through a round hole in the handle base under the cooperation of a gasket and then is fixed on the other side of the handle base by virtue of a split cotter, and a cover is arranged in a screw mounting hole of the handle base. The invisible handle for the sliding window disclosed by the invention is simple in structure, convenient to use, reasonable in design, flexible in application and applicable to the sliding window, and does not influence the installation of a gauze window, so that the usability of the invisible handle is improved, and the invisible handle is applicable to widespread popularization and application.

The invention discloses an intelligent rice storage barrel comprising a rice storage part, a control part, an air supply part and a rice discharge part. The rice storage part comprises an outer barrel, an inner barrel, a stand column, insertion plates and a cover body. The control part comprises an enclosing plate, rice discharge pipes and an electronic control assembly. The air supply part comprises an air pump and an air pipe. The rice discharge part comprises a bottom box and a drawing box. According to the intelligent rice storage barrel, by regulating the insertion plates, the volume-adjustable multi-rice-bin function is achieved, various different types of grain can be stored in the rice storage barrel at the same time, and meanwhile, the storage capacity for the various types of grain can be freely regulated according to requirements; meanwhile, by means of control of the air supply part, ventilation treatment can be conducted on the inner portion, and the moisture prevention and insect prevention effects are good; and by means of control of the electronic control assembly, automatic rice discharge can be achieved for the different types of grain, the automation degree and the intellectualization degree are high, and use is convenient.

The invention discloses a low-temperature stop valve which can reduce the manufacturing cost. The low-temperature stop valve comprises a valve body, a valve cover, a valve core and a valve rod which is connected with the valve core, wherein a stuffing box is arranged between the valve rod and the valve cover; the valve rod is in threaded connection with a valve rod nut; the valve rod nut is fixed relative to the valve cover; the valve rod nut is positioned in a pressure-bearing area between the stuffing box and the valve core and is fixedly connected to the valve cover; a shaft shoulder is arranged on the valve rod; chamfering matched with the shaft shoulder is arranged on the valve rod nut so as to form conical sealing; and when the valve core is completely opened, the valve rod nut, the valve cover and the valve rod are matched to form a sealing structure. The filler can be conveniently replaced, and the valve can be conveniently maintained. According to the structural design, the lengths of the valve rod and the bracket can be shortened, and the manufacturing cost is reduced.

The invention discloses a quantitative rice discharging device of an intelligent rice storage bucket. The quantitative rice discharging device of the intelligent rice storage bucket in the invention comprises a rice outlet pipe, a rotating shaft, a stepping motor, a controller, an electric button and a power supply; the rice outlet pipe is vertically arranged; furthermore, the top of the rice outlet pipe is communicated with a rice outlet; two ends of the rotating shaft are rotatably connected with the side wall of a rice bin; furthermore, the shaft body of the rotating shaft is fit to the edge of the pipe mouth at the bottom of the rice outlet pipe; a radial through hole is formed in the shaft body of the rotating shaft; the through hole is communicated with the rice outlet pipe; the stepping motor is fixed on the inner wall of the rice bin; furthermore, the power output shaft is connected with one end of the rotating shaft; the controller is fixed on the inner wall of the rice bin, and electrically connected with the stepping motor; the electric button is arranged on the outer wall of the rice bin, and electrically connected with the controller; and the power supply is respectively connected with the stepping motor and the controller electrically. According to the quantitative rice discharging device of the intelligent rice storage bucket in the invention, rotation of the rotating shaft is controlled, so that closing and opening of the rice outlet pipe are realized; the rice outlet amount can be controlled by controlling the starting time; operation is simple; the controleffect is good; the rice discharging amount can be precisely measured; and starting is convenient.

The invention discloses a lock device for a seat cushion of a motorcycle. The lock device comprises a lock body portion structure and a locking portion structure which are opposite to each other, the lock body portion structure is fixed on a covering part, and the locking portion structure is fixed on a frame. The lock device is characterized in that a straightened flexible pull rope is arranged between the lock body portion structure and the locking portion structure, and when a lock cylinder of the lock body portion structure is driven to rotate by a key, a lock rod of the locking portion structure can be pulled through the flexible pull rope. A force transmitting action mode of the lock device for the seat cushion of the motorcycle is changed during locking and unlocking, the flexible pull rope is connected between the lock body portion structure and the locking portion structure to transmit force, influence on assembly and service due to mounting errors is avoided, assembly difficulty is reduced, assembly quality is improved, assembly time is shortened, and reliability of final products is guaranteed.

The invention provides a bionic crocodile robot for detection, the main body of which is composed of a torso, head, feet, tail, anesthesia, claws, etc. The torso includes: a torso upper cover, a torso body, a back cover, etc.; The head part includes: upper jaw, lower jaw, camera, etc.; the foot part includes: thigh, calf belt, thigh connection, etc.; the tail part includes: tail turntable, tail section, tail shaft, etc.; the anesthesia part includes: transposition, launch turntable, anesthesia needle etc.; the claw part includes: lifting blocks, rotating claw discs, grippers, etc.; when in use, the robot walks through the foot part, the head part attacks when necessary, the camera in the head part observes the environment, and the laser radar in the torso part The environment is detected. When danger is encountered, the anesthesia part shoots dangerous creatures. When it is necessary to take the animal's eggs, the claw part is used to grab the eggs.

The invention relates to a spring nozzle for differential injection molding, which mainly comprises a nozzle head, a nozzle body, a nozzle gland, a spring, a control valve core and a valve body gland, wherein the control valve core is arranged on a tapered bore of the nozzle body; the control valve core is fastened on the nozzle body by the valve body gland; the control valve core passes through an intermediate hole of the valve body gland; the control valve core is provided with a cylindrical hole along the melt flowing direction of the nozzle body; one end face of the spring is abutted on the nozzle head, and the other end face of the spring is abutted on the end face of the bore of the nozzle body; when the nozzle gland and the nozzle body are connected, pretightening force is applied to the spring. A circular conical surface structure is adopted by the control valve core, thus, good positioning and sealing between the control valve core and the nozzle body is ensured; the control valve core makes controlling the nozzle to be opened and closed become convenient, and thereby, the working number of differential injection nozzles is controlled. The nozzle head and a sprue bush arein close contact by the spring in the nozzle body through the pretightening force of the spring, thus, a function of preventing materials from leaking is achieved. The nozzles can be matched for use,and each nozzle can be used for independent injection molding products.

The invention discloses a pressure relief type light touch valve which comprises a valve body, a button, an upper transmission arm, a transmission rod, a lower transmission arm, a fulcrum, a pressure relief needle, a sealing opening, a water outlet, a valve piece, a connecting rod and a water inlet window. The pressure relief type light touch valve is mainly characterized in that the pressure relief needle is arranged on the lower portion of the edge of the valve piece; the edge of the valve piece is firstly opened through the pressure relief needle before the valve piece is opened; and the aim of easily opening the valve is achieved based on the liquid level partial intercommunication pressure relief principle.

The invention discloses a quantitative rice discharging device of an intelligent rice storage bucket. The quantitative rice discharging device of the intelligent rice storage bucket in the invention comprises a rice outlet pipe, a rotating shaft, a stepping motor, a controller, an electric button and a power supply; the rice outlet pipe is vertically arranged; furthermore, the top of the rice outlet pipe is communicated with a rice outlet; two ends of the rotating shaft are rotatably connected with the side wall of a rice bin; furthermore, the shaft body of the rotating shaft is fit to the edge of the pipe mouth at the bottom of the rice outlet pipe; a radial through hole is formed in the shaft body of the rotating shaft; the through hole is communicated with the rice outlet pipe; the stepping motor is fixed on the inner wall of the rice bin; furthermore, the power output shaft is connected with one end of the rotating shaft; the controller is fixed on the inner wall of the rice bin, and electrically connected with the stepping motor; the electric button is arranged on the outer wall of the rice bin, and electrically connected with the controller; and the power supply is respectively connected with the stepping motor and the controller electrically. According to the quantitative rice discharging device of the intelligent rice storage bucket in the invention, rotation of the rotating shaft is controlled, so that closing and opening of the rice outlet pipe are realized; the rice outlet amount can be controlled by controlling the starting time; operation is simple; the controleffect is good; the rice discharging amount can be precisely measured; and starting is convenient.

The invention discloses a gas control type cutting device for a movable cutting device. The gas control type cutting device comprises a main transverse hollow shell. The gas control type cutting device is used in cooperation with the movable cutting device, a portion needing to be cut can be cut automatically through the pressure intensity of air pressure after the gas control type cutting devicesmoves by a certain distance, and the automation degree is high. The device is mechanical equipment, the service life is long, and the device can be driven by a component to achieve an opening and closing function an air flowing portion; air can be controlled in time, and gas driving cutting is achieved; the device is provided with a reverse thread structure rotary type distance adjusting mechanism, distance adjustment can be carried out, and therefore the specific work state of a valve rod and vent holes during moving is controlled; and in addition, the device is provided with a piston sealing type air conversion driven mechanism, high-pressure air can be converted into controllable kinetic energy, and the device is provided with a pore structure internally inserted valve rod moving control mechanism.

The invention discloses a box-type protective atmosphere heat treatment furnace which comprises a furnace body, a furnace door and a charging device. A furnace door sealing device and a furnace door opening device are arranged between the furnace body and the furnace door. The furnace door sealing device comprises a compressing ring, a driving device, a furnace door flange, a sealing flange and asealing ring, wherein the furnace door flange and the sealing flange are respectively and correspondingly arranged on the furnace body and the furnace door; and the sealing ring is arranged between the furnace door flange and the sealing flange. The compressing ring is sleeved on the furnace door flange. An inner flange and a compressing flange are arranged on the compressing ring. A compressing wedge block matched with the compressing flange is arranged on the sealing flange. A compressing inclined plane is arranged on the compressing wedge block. The furnace door opening device comprises a furnace door supporting rod, a rotary lever and a transmission mechanism, wherein the furnace door supporting rod is rotationally arranged on the furnace body; the rotary lever is respectively connected with the furnace door supporting rod and the furnace door; and the transmission mechanism is used for driving the rotary lever to rotate and hoisting the furnace door to one side of the furnace body. Not only does the box-type protective atmosphere heat treatment furnace have better sealing performance and the protective atmosphere with higher class can be used in the furnace, but also the furnace door is convenient to open and close and the box-type protective atmosphere heat treatment furnace is convenient to implement.

The invention belongs to the field of butterfly valves, particularly relates to a manually-operated butterfly valve capable of being operated in a labor-saving manner, and aims to solve the problems that an existing butterfly valve is labor-saving in use, is difficult to control the valve to be quickly opened and closed when the water pressure is high, needs to consume a large amount of physical power, is not labor-saving enough, and cannot be closed by no remedial measures after an operating rod is blocked. In order to solve the problem that in the prior art, due to the fact that a valve body is arranged, the emergency situation cannot be dealt with easily, the following scheme is provided that the valve body comprises a valve body, the top of the valve body is fixedly connected with two supporting frames which are symmetrically arranged, and the tops of the two supporting frames are fixedly connected with the same bottom plate, the labor-saving function is achieved through a labor-saving assembly, and the operation difficulty can be greatly reduced; meanwhile, when the device is aged and the function of opening and closing the valve cannot be achieved by pushing the grip, the worm and the worm gear are not meshed any more, then the rack and the third gear are used for driving the valve rod to rotate, and the device is used for coping with emergency situations and is convenient to use.

The invention discloses a door / window lever handle occupying small space. The door / window lever handle comprises a handle (7) and a base (2). The door / window lever handle is characterized in that a mounting groove corresponding to a handle (7) in position is arranged on the base (2), a torsional spring (6) and a shaft (5) are fixed on the handle (7) through a fastening screw (8), the shaft (5) penetrates a round hole in the base (2) through cooperation with a pad (4) and is fixed on the other side of the base (2) through a pin (1), and a screw mounting hole cover (3) is arranged in a screw mounting hole of the base (2). The handle and the base can be integrated through mutual buckling, the door / window lever handle has high practicability, and mounting of other accessories of doors and windows is not affected.

The invention relates to a door catch which is matched with a locking head for use in a door plate to close a door. The door catch comprises a door catch body which is provided with a ferrule and a rotary wheel for fixing the door catch and is provided with a flat spring bolt notch and a wedged spring bolt notch at the same time, wherein a movable plate I and a movable plate II are arranged at the edges of the flat spring bolt notch and the wedged spring bolt notch; the movable plate I and the movable plate II are fixedly connected through a curved steel sheet and are movably connected to the door catch body through a spring hinge. The door catch body is further provided with an iron rod handle which can be used for opening the door catch indoors. The multifunctional door catch provided by the invention overcomes the defects that the door catch does not satisfy the matching demand on a lock, is insufficient in structural strength, complex in structure, dependent on a power system and the like; opening and closing functions of the door catch structure can be relatively well realized while the structure is simplified and the cost is lowered; meanwhile, the structural design of the door catch is totally a mechanical design, so that the dependency of the system on electrical energy is completely removed, and the technical improving effect is quite obvious.

The invention discloses a door lock opening mechanism for an anti-theft door, comprising: a door lock panel; a box body; a slide plate, the slide plate is arranged on a side of the box body away from the door lock panel; a drive unit, the The driving unit is arranged in the assembly cavity, and the driving unit includes a bearing seat, a rotating shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a first connecting rod, a rocker arm, first roller, wedge, second link, second roller, first leg, second leg, third leg, fourth leg, tie rod, first spring, second spring, and locking plate . Compared with the prior art, the present invention realizes the opening and closing function of the lock body by setting a new type of door lock opening mechanism by sliding the slide plate. The unlocking mode can enrich the product line, and in the prior art, criminals pull down the handle through the peephole. The unlocking mode of the present application also has the function of preventing criminals from opening through the peephole.

The invention discloses a door lock opening mechanism for a security door. The door lock opening mechanism comprises a door lock surface plate, a box body, a sliding plate and a driving unit, whereinthe sliding plate is arranged on one side, which deviates from the door lock surface plate, of the box body; the driving unit is arranged in an assembling cavity; and the driving unit comprises a bearing pedestal, a rotary shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a first connecting rod, a rocker arm, a first idler wheel, a wedge block, a second connecting rod, a second idler wheel, a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate, a pull rod, a first spring, a second spring and a locking disk. Compared with the prior art, the door lock opening mechanism is provided with the novel door lock opening mechanism, and the sliding plate slides to realize a locking and unlocking function of a lock body. A way, which is adopted by the door lock opening mechanism disclosed by the invention, of driving a square head to rotate is different from the prior art and is a novel unlocking mode, and aproduct line can be enriched. In the prior art, lawbreakers pull down a lever handle through a peephole, and the unlocking mode of the invention also has a function of preventing the lawbreakers fromopening the door from the peephole.

The invention discloses an intelligent rice storage bucket with damp-preventing and insect-preventing functions. The intelligent rice storage bucket comprises a rice storing part, a control part and arice outlet part, wherein the rice storing part comprises a rice barn, at least one stirring roll, at least one first stepping motor, a control button and a cover; the control part comprises a coaming plate, a rice outlet pipe and an electric control assembly; and the rice outlet part comprises a bottom box and a drawing box. For the intelligent rice storage bucket, the at least one stirring rollis arranged for carrying out stirring in the rice storage bucket, during the days with damp weather, the control button is pressed for driving the at least one stirring roll to rotate, then the stored rice is stirred, so that the rice is prevented from being affected by damp, further, worms are prevented, the control is simple, and the use effect is good. Through the control for the electric control assembly, the automatic rice outlet can be realized, the automation degree and intelligence degree are high, and the use is convenient.

The invention belongs to the field of household appliances and discloses a shutter achieving the automatic opening and closing. According to the technical scheme, the shutter achieving the automatic opening and closing comprises louvre blades, guide rails, a rotating belt and a control device; limit shafts and rotary shafts are arranged on the louvre blades; the rotary shafts are connected with the rotating belt; the rotating belt is connected with the control device. The shutter achieving the automatic opening and closing can be automatically opened and closed according to the intensity of light rays, and can achieve the automatic opening and closing effect by manually setting the opening and closing time period, and it is avoided that negative effects are caused by direct radiation on indoor devices from sunlight when no person is at home.

The invention discloses a plate cutting device, and relates to the field of industrial automation. The plate cutting device comprises an electronic cut-to-size saw body, a fixing frame and a door body. Two parallel protrusions are arranged at the top of the electronic cut-to-size saw body, and the fixing frame comprises an upper fixing piece, a lower fixing piece, a tightening bolt and a sliding block. The upper fixing piece and the lower fixing piece are detachably connected by the tightening bolt, the fixing frame is slidably connected to the protrusions, and suction cups are arranged at thebottom of the upper fixing frame and the top of the lower fixing frame. The electronic cut-to-size saw body is internally provided with a cavity body, the door body is rotatably connected to the electronic cut-to-size saw body, the door body is provided with a plate member, and an illumination lamp is arranged on one side of the plate member. The fixing frame can slide on the protrusions, the position of a plate can be conveniently adjusted, the fixing frame can conveniently fix plates of different thicknesses, the suction cups further fasten the plate, stuff can be placed in the cavity body,the door body can realize the opening and closing functions of the cavity body, and the illumination lamp can realize the function of night illumination.