55results about How to "Leakage will not" patented technology

The invention relates to a stent vessel for interventional therapy and a dedicated traction tool for implanting the stent vessel into a human body. The stent vessel comprises an artificial or animal vessel and support rings, wherein the support rings in three structures are used for fixation and respectively arranged at the outlet end and the inlet end of the artificial or animal vessel, and in the support rings, a detachable support ring with radial resilience force is further provided. The dedicated traction tool is especially suitable for dragging a Y-shaped stent into circuitous or narrow parts of the human body. The stent vessel provided by the invention is extremely flexible and easy to be implanted into a branch vessel until to the circuitous part. Because the main part and the branch of the stent vessel are integrated, the stent vessel is easy to position and safe and reliable without leakage after being implanted into the human body; and as the structure is simple and the cost is low, stent vessels in various diameters, variable diameters and lengths are be made, and the application range is wide because of no limit to lengths.

The invention discloses a ring module granulator in the field of grain and feed machinery. A compression roller subassembly is positioned in a ring module and forms a press cavity with the ring module, one end of a ring module supporting shaft is provided with the ring module, the other end of the ring module supporting shaft is provided with a ring module power wheel, one end of a compression roller supporting shaft is provided with the compression roller subassembly, the other end of the compression roller supporting shaft is provided with a compression roller power wheel, the ring module supporting shaft is arranged on a frame at one side of the press cavity through a ring module bearing seat, the compression roller supporting shaft is arranged on a moving base through a compression roller bearing support, and the moving base is arranged on a frame at the other side of the press cavity and is connected with a moving mechanism. In the ring module granulator, the ring module supporting shaft and the compression roller supporting shaft are separated, the manufacturing accuracy requirement is low, two supporting shaft cantilevers have short distance and low load, lubricating oil cannot enter the press cavity to pollute feed, the compression roller supporting shaft and the compression roller subassembly can move on the frame and be convenient for the superposition regulation andthe maintenance of the compression roller subassembly and the ring module, and the compression roller and the ring module can rotate simultaneously.

The invention discloses a tunnel top arch free-of-cavity lining method. A top arch formwork is hollowed and an observation pipe is installed, the pouring situation is observed when concrete is poured,and whether grouting with formwork is carried out or not is defined according to the observed situation. According to the tunnel top arch free-of-cavity lining method, monitoring of the situation ofsecond lining perfusion is carried out by arranging the observation pipe on a top arch of a trolley, an observation probe can be used for extending into the observation pipe for observing the concretepouring situation in an observation formwork, cavities can be prevented from being formed, and a plurality of observation pipes can be installed on the formwork to realize omni-directional monitoring.

The invention discloses a tunnel cavity-free lining trolley capable of performing mobile shooting. The tunnel cavity-free lining trolley includes a lining trolley body and an end mold. The tunnel cavity-free lining trolley is characterized in that an observation hole and an observation tube (2) are arranged at one end, near an upper ring lining, of a top arch template, an observation vehicle (13)and an observation probe (12) are installed on the top arch template, one end of the observation vehicle (13) is connected with a guide rod (14), and the other end of the guide rod (14) is installed at a placement room (15) of the end mold. The tunnel cavity-free lining trolley uses the observation tube to monitor the condition of perfusion at the distal end during the perfusion of concrete, the observation vehicle is used for observing the condition of perfusion at the proximal end of the concrete at a close distance with no dead angle of observation, and cavities in the perfusion process canbe promptly found.

The invention provides an isolation-type magnetic-transmission leakage-proof valve driving device, which comprises a control motor, a magnetic transmission mechanism, a speed reduction device, a liquid sealing box and a valve stem, wherein the magnetic transmission mechanism comprises a plurality of input-end magnetic poles which are formed by high-performance magnetic steel and are fixed on the control motor, as well as output-end magnetic poles fixed on the speed reduction device; the liquid sealing box is formed by fixing an isolation layer with the lower wall of the sealing box through screws; the box is full of sealing liquid; the output-end magnetic poles and the input-end magnetic poles are correspondingly arranged on two sides of the isolation layer; the speed reduction device is arranged in a sealing cavity; and the lower wall of the sealing box is sealed at the position of the valve stem. Through magnetic transmission, the driving device realizes the synchronous operation of the control motor and the speed reduction device which are completely isolated. In addition, by providing the speed reduction device and the valve stem with the liquid sealing box, the driving device not only completely isolates the control motor from the speed reduction device, but also thoroughly cuts off the influence of water leakage caused by the deformation of an O-shaped sealing ring on the valve stem of a valve on the control motor or other electrical control appliance, so as to guarantee the functions of the valve.

The invention relates to a disposable anti-theft drinking bucket, comprising a bucket body, a bucket neck and a bucket cover, characterized in that the bucket neck is provided with a draft plug and a locking belt; a bucket belt is provided with a central anti-theft piece; a lower end of the bucket cover is provided with an anti-theft ring; an opening of the bucket neck is provided with a sealing aluminum foil. The draft plug, the locking belt and the bucket body are connected into a whole and are molded by one-time injection; the central anti-theft piece on the bucket cover, the antitheft ring at the lower end of the bucket cover and the bucket cover are connected into a whole and are molded by one-time injection. The disposable anti-theft drinking bucket sets a plurality of disposable antitheft marks which indicate the drinking bucket is used and the drinking bucket cannot be used again if any component is removed or damaged, thus guaranteeing the disposability. The drinking bucket of the invention is disposable, thus guaranteeing the clean and sanitary drinking water, completely solving the problems of reclaiming, transporting, sterilizing, washing, etc., of used bottles, and saving time, efforts and cost. At the same time, by using the invention, some consumers can be prevent from using the used bottles to contain oil material, sundries, chemical industrial material and even urine and uncivil consumption behavior of reclaiming and reusing, which is beneficial for the physical and psychological health of the vast consumers.

The invention discloses a quasi-solid electrolyte PVA(Polyvinyl Alcohol)-zinc-air battery, which comprises an air electrode taking reduction action, a zinc electrode taking oxidation reaction, electrolyte and a battery case, wherein the air electrode, the zinc electrode and the electrolyte are accommodated in the battery case, the electrolyte is jelly solid PVA-KOH-H2O alkaline polymers (PVA quasi-solid electrolyte), and a battery diaphragm is arranged between the air electrode and the zinc electrode. The quasi-solid electrolyte PVA-zinc-air battery has the beneficial effects that 1, the adopted solid electrolyte is jelly solid and has a certain toughness, the growth of zinc dendrite can be obstructed, the battery internal short circuit caused by diaphragm piercing due to formation of zinc dendrite thorns is prevented, the service life of the battery is prolonged, and the integral performance of the battery is improved; 2, the occurrence of battery electrolyte leakage can be obviously prevented through the solid electrolyte, so the integral performance of the battery is improved.

An integrated water path board is provided with an upper cover plate, a lower cover plate, a temperature sensor and a water quality senor. The upper cover plate is provided with a plurality of filter element seats, an upper water channel and first function piece connectors, and at least one filter element seat is used for assembling a composite filter element. The lower cover plate is provided with a lower water channel, second functional piece connectors, a plurality of water inlet pipe plugging ports, a line fixing mechanism and a pipeline fixing mechanism. The upper cover plate and the lower cover plate are assembled in a sealed mode, and thus the upper water channel and the lower water channel are correspondingly matched in a sealed mode to form a water channel with the corresponding function. The temperature sensor and the water quality sensor are assembled on the upper over plate, penetrate through the upper cover plate and stretch to the corresponding positions in the water channel. The integrated water path board is small in integral size and free of liquid leakage, and little accumulated water exists after water producing of the water channel is finished.

The invention relates to a magnetic coupling steering device used underwater. According to the magnetic coupling steering device, frictional losses of a conventional motive seal steering mode are reduced, meanwhile, the water leakage risk caused by abrasion of a sealing ring is avoided, and the reliability of the device is improved. The magnetic coupling steering device used underwater comprises a rudder body, a driving device, a magnetic coupling device and rudder blades rotationally connected with the rudder body. The driving device is arranged on the rudder body. The magnetic coupling device comprises a mounting base, an input shaft, a driven magnetic rotor, an output piece and a driving magnetic rotor. The mounting base is arranged on the rudder body. The driving magnetic rotor and the driven magnetic rotor are rotationally connected with the mounting base. One end of the input shaft is fixedly connected with the driving magnetic rotor, and the other end of the input shaft extends to the outside of the mounting base and is connected with the driving device through a transmission unit. One end of the output piece is fixedly connected with the driven magnetic rotor, and the other end of the output piece extends to the outside of the mounting base and is connected with the rudder blades through a transmission rod.

A compression sprayer comprises a pesticide tank which is provided with a manual pneumatic pump. A handle is arranged on the manual pneumatic pump and a suction pipe is arranged in the pesticide tank. The suction tube is connected with a leather hose and the leather hose is connected with a spray boom. The spray boom is connected with a sprinkler. The invention is characterized in that an angle adjustment part is arranged between the sprinkler and the spray boom; a notch is cut in a base of the pesticide tank; a foot board is arranged in a notch; and the notch is fixed by the foot board and nuts. The technical schemes of the invention are that the angle adjustment part is arranged between the sprinkler and the spray boom, which can freely adjust the angle of the sprinkler while spraying a pesticide, thus being able to spray directly forwards, or spray to the left or the right sides, and spray the pesticide to the leaf surface, the stem and the root, etc., of the crops according to different requirements and has a good spray effect. In addition, the foot board is arranged on the base of the pesticide tank that can be turned to the bottom surface of the tank while being out of service, and be turned out while pumping, so that while pumping with hands, the foot board can be trampled to prevent the tank from moving. The invention uses two hands to pump, thus being convenient and saving labor.

The invention discloses a tunnel hole-free lining trolley. The tunnel hole-free lining trolley comprises a lining trolley, wherein a top arch template of the trolley is provided with a concrete pouring hole (3) and a pre-buried grouting pipe (1), and observation pipes (2) are distributed on the top arch template. By adopting the tunnel hole-free lining trolley, the grouting situation of concrete in the molding plate is observed by utilizing an observation probe to stretch into an observation molding plate, so that the hole can be effectively prevented, and a plurality of observation pipes areinstalled on the template to realize all-around monitoring.

The invention discloses a feed ramie cutting apparatus with a drying device. The apparatus comprises a frame, a feeding port arranged on the frame, a first feeding roller set, a second feeding roller set, a cutting roller and an air-dry conveying belt, wherein the first feeding roller set, the second feeding roller set, the cutting roller and the air-dry conveying belt are all arranged in the frame. The first feeding roller set, the second feeding roller set and the cutting roller are arranged side by side sequentially and horizontally; the first line speed of the first feeding roller set is smaller than the second line speed of the second feeding roller set; a cutting blade is arranged on the cutting roller; a cutting gap is formed between the outer edge of the cutting blade and the outer edge of a plate tooth; an air hole is arranged in the air-dry conveying belt; an air drier with an upward air port is arranged below the air-dry conveying belt. According to the apparatus, in turn, the ramie is combed and fed; the ramie stalks are crushed and broken; the sticks are cut off but the fiber is in adhesion; finally the hot air drying is conducted. Therefore the blocking does not occur when the ramie is fed; the cutting effect of apparently severed but actually connected is ensured; the water content of the ramie is decreased; the packaging effect and quality of the ramie silage are ensured.

The invention belongs to the technical field of a kitchen electric appliance, and particularly relates to an exhaust hood with a smoke collecting cavity capable of ascending and descending. By aimingat the defects of the existing lateral suction type exhaust hood with the smoke collecting cavity capable of ascending and descending that the smoke collecting cavity is built in a casing, so that oilstain can be easily leaked out from a position between the casing and the smoke collecting cavity, the exhaust hood provided by the invention has the following technical scheme that the exhaust hoodwith the smoke collecting cavity capable of ascending and descending comprises a smoke box, a fan, a flue, the smoke collecting cavity, an ascending and descending mechanism and a guide mechanism, wherein the smoke collecting cavity is arranged outside the glue in a way capable of ascending and descending; the smoke collecting cavity is provided with an air door; the air door is positioned at thefront side surface of the smoke collecting cavity; the insides of the smoke box, the flue and the smoke collecting cavity are communicated to form an oil smoke passage. The exhaust hood has the beneficial effects that the smoke collecting cavity capable of ascending and descending is arranged outside the flue; oil stain cannot be accumulated on the outer surface of the smoke collecting cavity; theoil stain between the flue and the smoke collecting cavity can be collected in the smoke collecting cavity without flowing out; the dimension in the left and right direction of the smoke collecting cavity can be made to be big; under the identical conditions, the air door area of the smoke collecting cavity can be larger.

The invention relates to building construction, in particular to a fabricated building prefabricated outer wall and provides a fabricated building prefabricated outer wall joint waterproof method. Outer wall joints include horizontal joints and vertical joints; horizontal joint waterproofing can be conducted by two methods, namely the grouting method and the bed-mortar method, and is mainly achieved by a tongue-and-groove, a cavity structure and outer wall sealing adhesive; the inner part of the tongue-and-groove is high, the outer part of the tongue-and-groove is low, and it is ensured that even if water enters in a room, one direction of water flow is still the outside of the room. Cavities of 20 mm are reserved in the inside and the outside; a material waterproof system refers to sealing adhesive at outer openings and square PE bars, and a horizontal wall body part is a hollow water-stop belt; the horizontal joints of a PCF section are blocked off by means of self-adhesion rubber, and the inner sides are casted in place; the waterproofing methods of vertical joints are same as that of the horizontal joints of the PCF section; a drainage measure includes the step of placing waterproof guide pipes in the connection positions between the outer wall horizontal joints and the outer wall vertical joints. Through structure construction waterproofing, cavity waterproofing and material waterproofing and by means of an overall-wall drainage measure system, it is ensured that an outer wall waterproofing measure has no problems.

The invention discloses an energy saving and environmental friendly industrialization commercial housing. The energy saving and environmental friendly industrialization commercial housing comprises a main body of frame structure, a cast in place outer wall, a precast inner wall plate, a precast staircase, an integral bathroom and an integral kitchen. The main body of the frame structure also has an outer wall connecting end, an inner wall connecting end, a corridor opening, a toilet position and a kitchen position, the cast in place outer wall is the cat in place concrete structure, and the cast in place outer wall is connected with the outer wall connecting end through casting in place; the precast inner wall plate is precast ceramsite concrete structure, the precast inner wall plate is assembled with the inner wall connecting end; the precast staircase is he precast reinforced concrete structure, and the precast staircase is connected with the corridor opening; and the integral bathroom and the integral kitchen are precast plate assembling structures, the integral bathroom is assembled with the toilet, and the integral kitchen is assembled with the kitchen position. The energy saving and environmental friendly industrialization commercial housing gives up the traditional way of building, completes the entire residential building process in a industrialized way, has good quality, has small leakage and cracking risks, and is energy saving and environmental protection.

The invention provides a structure that can prevent liquid substances in a bottle cover from leaking, which mainly comprises that a hollow containing chamber is arranged in a bottle cover body, a circle of lining ring body is branch-extended and arranged at the wall surface towards the direction of a channel connecting the cover to lead the external surface of the lining ring body and the internal wall of the channel connecting the cover to form an elastic gap, and a circle of buckled groove is concavely arranged at the internal edge surface of the lining ring body; in addition, a circle of elastic notch with a cut towards the top surface is concavely arranged at the top surface of a barrier component close to the external periphery; a clamp stopped flange is convexly arranged at the external periphery of the upper section part of the side end surface of the barrier component to lead the clamp stopped flange on the external periphery of the upper section part of the side end surface to be mutually intercalated with the buckled groove on the lining ring body in the bottle cover body and can withhold a filling second liquid beverage in the hollow containing chamber from leaking outside.

The invention provides a fuel drive multi-rotor fuel side flow preventing six-in-one fuel tank which aims at overcoming the defects existing in the prior art. By the adoption of the technical scheme, six small fuel tank bodies are evenly distributed on the circumference, six fuel outlets, a fuel inlet and a fuel overflow port are included, and the fuel inlet and the fuel overflow port are formed in one ends of two opposite small fuel tank bodies. The fuel tank further comprises bolt grooves and partitions. The bolt grooves are formed in the outer edges of the fuel tank. Bolt connecting portions are separated from a fuel storage tank. The partitions are arranged in the fuel tank to separate the six small fuel tank bodies. The height of the partitions is smaller than that of the fuel tank.

The invention relates to the technical field of agriculture, and especially relates to a new method for soil treatment before planting rice in slope-reformed terraces. The method reduces probability of water seepage in newly reformed terraces by compacting bottom soil of a newly opened slope-reformed terrace. By grinding the bottom soil into slurry, the soil naturally forms a base, so as to greatly improve water retention effect of the newly opened slope-reformed terrace. The structure of a ridge is firm, and anti-leakage effect is good. Through spreading a special fertilizer specially used for planting rice and vegetable waste, soil fertility of the newly-reformed terrace is improved, soil environment is improved, and adaptability of rice to adverse environment is improved, and yield ofrice is greatly increased. From an aspect of the water retention effect, the water retention time of a water layer of 5-7cm under the condition of average daily temperature of 25 DEG C (without effective natural rainfall) reaches 5-7 days, and the time of soil relative humidity >=60% increases from original 3-5 days to more than 15 days.

The invention discloses multi-chamber magnetic control multilayer optical coating equipment and method. The equipment comprises a workpiece in-out device, a pretreatment chamber, a workpiece in-out conversion chamber and a plurality of coating chambers which are connected in sequence, wherein the pretreatment chamber and the plurality of coating chambers are distributed at the periphery of the workpiece in-out conversion chamber; and a first vacuum gate valve mechanism is arranged between the workpiece in-out conversion chamber and the pretreatment chamber, a second vacuum gate valve mechanism is arranged between the workpiece in-out conversion chamber and each coating chamber, and a revolving door mechanism is arranged at the side, facing the workpiece in-out device, of the pretreatment chamber. The method comprises the following steps of conducting ion surface treatment on a workpiece on a work rest by the pretreatment chamber, then entering the workpiece in-out conversion chamber and lifting to the upper part, after one of the coating chambers finishes coating, sending out the work rest and the workpiece through the workpiece in-out conversion chamber, and descending a work rest to be coated and sending the work rest to be coated into the coating chamber. According to the equipment and the method, the vacuum degree uniformity between the coating chambers can be effectively improved, so that the consistency of the film layer performance of the coated workpiece is improved, and the coating quality of the workpiece is improved.

The invention relates a kind of one-way valve which is used in the air pressure or hydraulic pressure system and prevents the medium back flow. It includes a valve body and a spool layout in the internal of valve body and the valve body said above is a partial structure which is composed by the upper course valve and the lower reaches valve interaction spiral connection. The upper course valve body has a axial seal face adapting to the spool and on the seal face sets up a seal ring. The spool and the valve body previous told adapt with endwise slip and the medium entryway of the site of endwise slip is installed on the spool or the valve body; the valve body is guided when the spool makes the resetting movement it can align the seal face and the seal is well also the medium doesn't back flow. The upper valve body described previous is a hollow inner angle bolt structure putted in the internal of the lower reaches valve body; at the root of the inner angle bolt and the screw chaser section sets up a seal ring so the medium didn't leak out either in.

The invention relates to a vehicle-mounted tank body. The oil tank includes a steel tank body and a glass fiber reinforced plastic tank body in sequence from the inner layer to the outer layer. The space between the steel tank body and the glass fiber reinforced plastic tank body is a glass fiber reinforced hollow Layer, the glass fiber three-dimensionally reinforced hollow layer includes a glass fiber three-dimensionally reinforced cloth wound on a steel tank body and a hollow layer formed by expansion and solidification after resin is sprayed on the glass fiber three-dimensionally reinforced cloth. The vehicle-mounted tank body of the present invention is equipped with a unique leak detection system that can identify the leakage of oil gas or ground water, in other words, it can detect the leakage of the steel tank body or the glass fiber reinforced plastic tank body. Ensure that users stop using it immediately and repair it in time, fundamentally eliminating the possibility of flammable, explosive or toxic substances flowing out of the outside world, and timely eliminating the potential safety hazards of groundwater and soil.

The invention relates to a soft-package lithium battery packaging vacuumizing robot, the robot comprises a supporting bottom plate, a clamping mechanism, a smoothing device and an extracting device. That middle upper end surface of the supporting bottom plate is provided with the clamping mechanism, the smoothing device is installed on the top of the right end of the supporting bottom plate, and the extracting device is installed on the top of the outer end of the supporting bottom plate. The clamping mechanism comprises two clamping jaws, a clamping angle push rod, a clamping electric slide block, a clamping vertical plate, a clamping conveying frame and a conveying roller. The invention can solve the problems that the aluminum-plastic film on the soft-package lithium battery needs to bestraightened manually when the soft-package lithium battery is subjected to vacuum treatment, the aluminum-plastic film shakes when being cut, the cutting size of the aluminum-plastic film is difficult to control, the vacuumizing tube needs to be manually inserted into the aluminum-plastic film, the aluminum-plastic film leaks air when subjected to air extraction.

The invention discloses a phase-change energy storage perforated plate and a preparation method. The phase-change energy storage perforated plate consists of a phase-change unit, a core plate and a surface plate, wherein the phase-change unit is made of a ternary fatty acid eutectic mixture / expanded graphite composite phase-change energy-storage material; the core plate is of an aluminum perforated structure; the surface plate is a medium-density fiber plate or a real-wood single plate; pores of the perforated plate are filled with the phase-change unit; an epoxy resin is adopted as an adhesive; and the perforated plate is prepared in a cold pressing mode. Due to adoption of a ternary fatty acid eutectic mixture, the defects that a single organic phase-change material is low in heat conductivity, low in latent heat, improper in phase-change temperature, easy to leak off and the like, are overcome; by adopting the phase-change energy storage perforated plate prepared by using the method, key problems that a conventional phase-change energy storage material generally has seepage, is low in utilization rate, low in durability, and the like, can be solved; the heat storage time of thecomposite material is shortened by 58.3% and the heat release time is shortened by 56.1% when being compared with those of the ternary fatty acid eutectic mixture; and the phase-change energy storageperforated plate is stable in mechanical property, the static bending intensity of the perforated plate is 11.6-13.8 MPa, the elastic modus of the perforated plate is 2.3-2.6 MPa, the internal bondingstrength of the perforated plate is 0.32-0.43 MPa, and the heat release time of the phase-change energy storage perforated plate is prolonged by 70-85% when being compared with that of a common perforated plate.

The invention relates to grinding equipment, in particular to household mashed taro grinding equipment. The invention aims to provide the household mashed taro grinding equipment capable of mashing taros and avoiding waste. According to the technical scheme, the household mashed taro grinding equipment comprises a base, a first sliding rail, rotating discs, a loading frame, a discharging pipe, a clamping mechanism and a material blocking mechanism, the first sliding rail is arranged at the top of the base, the rotating discs are rotationally arranged on the two sides of the first sliding rail, the discharging pipe is arranged at the top of the first sliding rail, the loading frame is arranged at the top of the discharging pipe, the material blocking mechanism is arranged on the loading frame, and the clamping mechanism is arranged on the rotating discs. A rotating mechanism can prevent the first sliding rail and the base from shaking when the rotating discs are rotated, so that the position of a material receiving frame is deviated, and the taros can be prevented from falling into the material receiving frame when leaking out.

The invention discloses a telescopic bathtub with adjustable size, which comprises a basin body 1 and a basin body 2. The basin body 1 includes an end portion 1 and a telescoping portion 1. Body two includes extension part two and telescopic part two. The telescopic part two is inserted into the cavity of the telescopic part one. Air release port, the two sides of the end part one are also provided with a connecting rod one, the connecting rod one is provided with a plurality of limit holes, and the two sides of the end part two are also provided with a connecting rod two, the connecting rod two The front end of the rod two is provided with a limit protrusion corresponding to the limit hole. The bathtub provided by the invention can adjust the size of the bathtub according to needs, the adjustment process is simple and quick, and there is no water leakage during use.

An integrated water path board is provided with an upper cover plate, a lower cover plate, a temperature sensor and a water quality senor. The upper cover plate is provided with a plurality of filter element seats, an upper water channel and first function piece connectors, and at least one filter element seat is used for assembling a composite filter element. The lower cover plate is provided with a lower water channel, second functional piece connectors, a plurality of water inlet pipe plugging ports, a line fixing mechanism and a pipeline fixing mechanism. The upper cover plate and the lower cover plate are assembled in a sealed mode, and thus the upper water channel and the lower water channel are correspondingly matched in a sealed mode to form a water channel with the corresponding function. The temperature sensor and the water quality sensor are assembled on the upper over plate, penetrate through the upper cover plate and stretch to the corresponding positions in the water channel. The integrated water path board is small in integral size and free of liquid leakage, and little accumulated water exists after water producing of the water channel is finished.

The invention discloses an improved on-off device for a time-delay self-closing urinal flushing valve. The on-off device is arranged in a control channel of the urinal flushing valve, is controlled to open and close by a control device, and consists of a pair of ceramic disks matched in a sealing way; a ceramic fixed disk is fixed on a valve seat, and a ceramic moving disk is controlled to move in the control channel by the control device; the valve seat is provided with a threaded hole; a copper support ring fixes the ceramic fixed disk and is screwed in the threaded hole; and a seal ring is arranged between the ceramic fixed disk and the copper support ring for sealing and positioning. The whole on-off device is convenient to machine; the ceramic has the advantages of wear resistance and high temperature and low temperature resistance, so the service life of the on-off device is long; the on-off device can be applied to the condition of high water pressure or low water pressure; the noise is small; and by the fixing mode of the ceramic fixed disk, the positioning is more firm, and the on-off device is convenient to machine and easy to maintain.

The invention relates to a polymer soft package lithium battery extrusion vacuum system and its vacuum pumping process, comprising a support base plate, a smoothing device and an extracting device, the smoothing device is installed on the top of the right end of the support base plate, and the extracting device Installed on the top of the outer end of the support base plate; the smoothing device includes a smoothing side plate, a smoothing electric slider, a smoothing support plate, a smoothing mechanism, a smoothing sliding plate and a smoothing push rod; the described The smoothing mechanism comprises a smoothing fixed post, a smoothing telescopic post, a telescopic post push rod, a smoothing correction plate, a smoothing suction plate, a smoothing suction cup, a smoothing air pump and a smoothing trachea. The invention can solve the problems that the aluminum-plastic film shakes during cutting when the existing soft-packed lithium battery is vacuum-treated, the vacuum tube needs to be manually inserted into the aluminum-plastic film, and the aluminum-plastic film leaks when it is pumped. .