59results about How to "Guaranteed sealed state" patented technology

The invention discloses a test device and method for blocking rock fractures by a soybean urease induced calcium carbonate deposition technology, the test device comprises a sample, a fracture simulation assembly and a slurry sealing assembly, the sample is composed of an upper rock test block and a lower rock test block; the fracture simulation assembly can simulate two kinds of rock fracture surfaces with different opening degrees. The test sample adopts an upper rock test block made of a transparent material to realize visualization in a test process; the upper shear box and the lower shear box are used for simulating a tension type fracture and a shear fracture surface of a rock, so that the condition that soybean urease induces calcium carbonate to deposit in different rock fracture generation mechanisms to block and reduce permeability of the rock fracture is better tested; when the lower shear box horizontally moves, the lower shear box is sealed through the slurry sealing assembly, and the sealing state can be kept in the shear dislocation of the crack; the device can test the relationship between the soybean urease induced calcium carbonate deposition plugging and permeation reducing effect and the rock fracture type and fracture parameters.

The utility model discloses a moistureproof traditional Chinese medicine dispensing medicine cabinet in the technical field of moistureproof storage of medicines. The moistureproof traditional Chinese medicine dispensing medicine cabinet comprises a rectangular main frame and a plurality of medicine lattices arranged in the main frame in a matrix mode. A storage cavity with a circular section is arranged in each medicine grid, and the front end of each medicine grid is open, so that a medicine bottle can be inserted into each storage cavity; a sealing ring is fixedly installed on the inner wall of each medicine grid and can make close contact with the outer wall of the bottle body or the outer wall of the dispensing bottle cap so that a sealing space for sealing the medicine bottle can be formed. By arranging a plurality of independent medicine grids, the time that medicine bottles are exposed in the air in the single dispensing process is shortened, the number of the medicine bottles exposed in the air in the single dispensing process is reduced, and the damp-proof effect is good. An externally-hung door curtain, moisture-proof equipment, an electric cabinet and other related auxiliary equipment do not need to be installed and used, the structure is simple, light and thin, and the size is small.

The utility model discloses a platelet shaking device for blood transfusion, which relates to the technical field of shaking devices and comprises a shaking box and a box cover. The device comprises a shaking box, a box cover is arranged on the upper side of the shaking box, a placement assembly is arranged in the middle of the interior of the shaking box and comprises an objective table, an electronic scale and a heat preservation plate, the objective table is arranged in the middle of the interior of the shaking box, a cavity is formed in the objective table, the electronic scale is fixedly arranged at the bottommost part of the cavity, and the heat preservation plate is fixedly arranged on the upper side of the electronic scale. A shaking mechanism is arranged on the surface of the rear side of the objective table, and a driving mechanism is arranged on the rear side of the shaking mechanism, so that the blood transfusion bag can be shaken, the cell viability of platelets in blood is further improved, the platelets in the blood are prevented from being accumulated together, and then the body of a patient is prevented from absorbing the platelets in the conveyed blood; the stability of the device can be guaranteed, blood transfusion efficiency can be improved, and practicability is high.

The invention relates to the technical field of packaging containers, and provides a container sealing device capable of being fixed to the neck of a container, the container sealing device is provided with a cover surrounding structure and a cavity cylinder structure, and is provided with a first positioning stop retaining buckle, a first buckle and a sealing piece, and the outer wall of the sealing piece is provided with a concave chamber structure and a supporting and pressing structure; the tail end of the cavity cylinder structure is provided with a channel structure which can be sealed through a channel sealing piece. The container sealing device can be installed and fixed on a container provided with a container neck with an opening and a main body chamber, the container neck is provided with a second positioning stop retaining buckle, a second buckle and a sharp structure, and the sharp structure of the container neck is located in a concave chamber structure of the container sealing device. The sharp structure can cut the thinned and connected structure between the sealing piece and the inner wall of the cavity cylinder structure, so that materials in the container sealing device are released. In addition, the invention further provides a packaging container and a component of the container sealing device.

The invention discloses horizontal multifunctional modular box equipment for air purification, and relates to the technical field of waste gas treatment.The horizontal multifunctional modular box equipment comprises four sets of filter boxes which are communicated in a W shape, a plurality of filter box drawers are arranged in the middles of the filter boxes, and the filter box drawers are communicated through first connecting cylinders in a sealed mode; a honeycomb filter block is arranged in the middle of the inner side of the filter box drawer, a limiting sealing block and a drawer sealing plate are sequentially installed at one end of the honeycomb filter block, the periphery of the limiting sealing block is movably sleeved with a second supporting frame and a sealing limiting frame, the sealing limiting frame is fixedly connected with the second supporting frame, and a sealing limiting plate is arranged at the other end of the honeycomb filter block. The honeycomb filter block can be taken out and replaced in a sealed manner by intermittently pulling and moving the drawer sealing plate twice, the active bacterial liquid can be prevented from escaping, the work of other honeycomb filter blocks can be prevented from being hindered, and the filter box can continuously work, so that the harmful gas is permanently, efficiently and massively filtered and absorbed.

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

A container sealing device is composed of a cover component and a release component, can be installed on the neck of a container and has a function of transversely releasing materials contained in the container, and the cover component is provided with a cover surrounding structure, a cavity cylinder structure, a channel structure, a first buckle, a third buckle, a first positioning stop retaining buckle, a sealing piece, a supporting and pressing structure and an L-shaped concave chamber structure. The releasing component is of a cylindrical structure and is provided with a fourth buckle, a second positioning stop retaining buckle, a cutting structure and a first retaining buckle; the cover component and the release component rotate relative to each other, so that the cutting structure of the release component starts to slide from the concave chamber structure, a transverse cutting effect is generated on the thinning connecting structure of the cavity cylinder structure to a preset position, and the notch of the sealing piece is pushed to the outside of the cavity cylinder structure; the materials in the container sealing device are released into the container; the invention further provides a packaging container of the container sealing device, a packaging composition, an assembling method of the container sealing device and application of the container sealing device.

A container sealing device installed on the neck of a container, a component of the container sealing device and a packaging container are composed of a cover component and a release component, the cover component is provided with a cover surrounding structure and a cavity cylinder structure, and the cover component is provided with a first buckle, a first positioning stop blocking buckle, a sealing piece, a supporting and pressing structure and an L-shaped concave chamber structure. The releasing component is provided with a thread or a clamping and blocking structure, a second buckle, a second positioning and stopping blocking buckle and a cutting structure. The cover component and the release component rotate mutually, so that the cutting structure of the release component starts to slide from the concave chamber structure, the transverse cutting effect is generated on the thinning connecting structure of the cavity cylinder structure to a preset position, the notch of the sealing piece is pushed to the outside of the cavity cylinder structure, and materials in the container sealing device are released into a container. The invention further provides a packaging container of the container sealing device, a packaging composition, an assembling method of the container sealing device and application of the container sealing device.

Stainless steel plate cutting equipment relates to the technical field of stainless steel plate cutting and comprises an outer shell, a movable steel plate part, a cutting part and a pressing part. A movable steel plate part, a cutting part and a pressing part are mounted in the outer shell; the steel plate moving part is located above the cutting part, and the pressing part is located on the side face of the cutting part. A stainless steel plate needing to be cut is manually placed at the specific position of the outer shell; then the stainless steel plate is moved into the outer shell by moving the steel plate part, so that the outer shell is clamped by the cutting part, and the outer shell is cut through the cutting part; when the four corners of the stainless steel plate need to be cut, the middle position of the stainless steel plate is fixed through the pressing part, then the stainless steel plate is cut through the cutting part, multiple cutting modes of the equipment are achieved, and different cutting requirements are met.

The utility model relates to the technical field of releasing of tableware cleaning agents, in particular to a distributor and a dish washing machine. A distributor comprises a box body, a sliding cover, a sliding cover control assembly, a plugging piece and a driving assembly, and the box body is provided with a first cavity and a second cavity; the sliding cover is arranged at the first chamber in a sliding manner, and the sliding cover is movably connected with a manual switch; the sliding cover control assembly comprises a rotating rod and a transmission plate. The rotating rod is rotationally installed on the box body and can be connected with the sliding cover in a clamped mode. The push rod can abut against the manual switch and is in transmission connection with the transmission plate. The plugging piece is used for controlling the opening / closing of the second cavity; the driving assembly comprises a telescopic driving piece and a sliding frame, and a telescopic rod part of the telescopic driving piece can simultaneously drive the plugging piece and the transmission plate to act; and when the manual switch pushes the rotating rod to unlock the sliding cover, the positions of the sliding frame and the plugging piece are kept unchanged. In the process of opening the first cavity through manual operation, the second cavity can be kept in a sealed state.

The utility model relates to the technical field of transportation of environment-friendly asphalt materials, in particular to transportation and storage equipment for environment-friendly asphalt materials, and solves the technical problems that asphalt raw materials need to be stored through a tank body when the environment-friendly asphalt materials are transported, however, the tank body of most of the transportation and storage equipment for the environment-friendly asphalt materials is often directly fixed on the equipment, and the transportation cost is low. The disassembly and maintenance operations are inconvenient, so that the cleaning and maintenance operations of the tank body are difficult, and the use flexibility of the equipment is influenced; according to the technical scheme, the environment-friendly asphalt material transporting, storing and loading equipment comprises a moving assembly, a storing and loading assembly, an adjusting assembly, a clamping assembly and a stirring assembly; compared with a traditional environment-friendly asphalt material transporting and storing device, the environment-friendly asphalt material transporting and storing device has the advantages that most storing structures are directly fixed to the device, operation is inconvenient when cleaning and overhauling work is carried out, and maintenance efficiency is affected, the storing structures are flexibly disassembled and assembled in a flexible disassembling and assembling mode, cleaning and overhauling work can be conveniently carried out, and the environment-friendly asphalt material transporting and storing device is convenient to use. The practical value of equipment is enhanced.

The utility model discloses a self-moving anti-seepage outdoor power distribution cabinet, which belongs to the technical field of outdoor power distribution cabinets, and comprises an outer box body, an inner box body is arranged in the outer box body, the bottom of the inner box body is fixedly mounted in the outer box body through a mounting block, an interlayer is arranged between the outer box body and the inner box body, and the bottom of the interlayer is separated by the mounting block. A heat conduction plate is fixedly embedded in the surface of the inner wall of the inner box body, heat dissipation fins are fixedly installed at the positions, corresponding to the heat conduction plate, of the outer surface of the inner box body, and refrigeration pieces are fixedly installed between the heat dissipation fins and the heat conduction plate through heat conduction silicone grease. The heat conduction plates arranged on the inner wall of the inner box body are matched with the refrigeration pieces, the heat conduction rods and the heat dissipation fins, heat is conducted into the interlayers in a heat transfer mode, then ventilation and heat dissipation are carried out on the interiors of the interlayers, and therefore the heat dissipation purpose is achieved, and the efficient heat dissipation function is achieved while the sealing state of the interior of the inner box body is guaranteed.

The invention belongs to the field of safety valves, and particularly relates to a sucker type safety valve which aims to solve the problems of poor stability and low sensitivity of exhaust action in the prior art. The sucker type safety valve comprises a valve body and a first sucker, an exhaust port is formed in the top of the valve body, an air inlet is formed in the bottom of the valve body, a groove face is arranged in the first sucker, and the first sucker is arranged in the valve body; the first suction cup can cover the exhaust port, a plurality of exhaust grooves are formed in the edge of the inner wall of the top of the valve body, when the groove faces extend into the exhaust grooves, the valve body starts the exhaust action, the high-elasticity suction cup is matched with a special structure, the suction cups are expanded and contracted through the pressure effect, and the exhaust and sealing states are formed. The exhaust valve has the advantages of good exhaust action stability and high opening and closing sensitivity.

The present invention discloses a real-time fluorescence quantitative PCR instrument, comprising a housing, a thermal cycle module, a detection module, and a sample assembly, wherein the thermal cycle module is used to provide the real-time temperature required by the sample assembly during the detection process; the detection module is used to perform real-time detection on the sample assembly; an entrance and an exit are provided on the housing, and the sample assembly enters and exits the housing through the entrance and an exit; the sample assembly comprises a rotating disk and a reagent kit, wherein the reagent kit is placed on the rotating disk and is detachably connected to the rotating disk, the rotating disk is rotatably connected to the housing, and the reagent kit is used to place a reagent tube to be detected. The present invention can effectively improve the efficiency of thermal cycles and ensure that subsequent operations can be seamlessly connected, thereby improving the detection efficiency as a whole. At the same time, the detection structure of the present invention can make the product design more miniaturized.

The utility model relates to a remains transport vehicle, which belongs to the technical field of funeral parlor transport vehicles, and comprises a carriage main body, the inner side of the carriage main body is provided with a placing rack for placing remains, the inner bottom wall of the carriage main body is fixedly connected with two mounting boxes, and the inside of the right mounting box is provided with a ventilation assembly. A filtering assembly is mounted in the mounting box on the left side, and a sealing assembly is mounted on the inner side of the compartment body. The filtering assembly comprises an air inlet box fixed to the right side wall in the left side installation box, a second fan fixedly installed on the inner side of the air inlet box, a horn pipe fixed to the left side of the air inlet box, an air supply pipe fixed to the other end of the horn pipe and a filtering box fixed to the inner side of the left side installation box. And the four supporting plates are fixed on the inner side of the filter box. According to the remains transport vehicle, the internal sealing state of the transport vehicle can be guaranteed, meanwhile, internal odor can be effectively filtered and then discharged, and the practical performance of the transport vehicle is effectively improved.

The utility model discloses a kind of hydrogen storage devices for solar hydrogen production belongs to hydrogen storage device technical field.This kind of hydrogen storage devices for solar hydrogen production, including installation component, storage component and plugging component, storage component is used to store hydrogen, plugging component is used to plugging storage component, plugging component includes communicating pipe, the side of communicating pipe is equipped with communicating plate, communicating plate is installed with communicating seat on the side away from communicating pipe, the inside of communicating seat is equipped with conical chamber, conical chamber is equipped with magnetic ball in the inside, first electromagnet is installed on the inner wall of one end away from communicating plate of conical chamber, and magnetic ball is magnetically attracted between first electromagnet, the bottom of communicating seat is communicated with hydrogen gas inlet pipe at first electromagnet, storage component includes hydrogen storage tank, the bottom of hydrogen storage tank is equipped with inlet hole, flowmeter is installed on the bottom of hydrogen storage tank at inlet hole, and flowmeter is fixedly connected with the upper end of communicating pipe on one end away from hydrogen storage tank.

The present invention relates to the technical field of oxygen analyzers, and specifically to an oxygen analyzer, comprising a chassis, a protection component is arranged on the outer wall of the chassis, a clamping component is arranged inside the protection component, a fixing component is arranged on the surface of the chassis, a shielding component is arranged inside the protection component, the protection component comprises two clamping blocks, the clamping blocks are symmetrically fixedly connected to the outer walls on both sides of the chassis, a U-shaped rod is clamped on the outer wall of the chassis, sliding grooves are provided at both ends of the U-shaped rod, a cover plate is fixed to the chassis by an L-shaped plate, a connecting groove on the surface of the chassis is blocked by the cover plate, so that the joint can be blocked by the cover plate to prevent the chassis from causing damage to the joint during movement, the U-shaped rod is pushed and one end of the chassis is pulled up at the same time, so that the clamping block is clamped in the groove to fix the U-shaped rod, the bottom of one end of the chassis is supported by the U-shaped rod, so that the connecting groove on the chassis is tilted, so that it is convenient to connect the oxygen supply pipeline with the tilted joint.

This invention discloses a land use-based surveying device, relating to the field of land surveying technology. It includes a telescope tube mounted on a theodolite, comprising an objective lens and an eyepiece. A mounting groove is formed through the side wall of the telescope tube, and a fixing cover is fixedly inserted into the mounting groove. A through hole is formed on the side wall of the fixing cover, communicating with the telescope tube. A sealing plate for movably sealing the through hole is connected to the fixing cover via a first lifting mechanism. The sealing plate divides the telescope tube into a first chamber and a second chamber. An air extraction mechanism is provided on the side wall of the second chamber, and a drying mechanism is provided inside the fixing cover. This land use-based surveying device prevents humid air from entering the telescope tube when the eyepiece is replaced, and utilizes a desiccant to dry the inside of the telescope tube, ensuring the effectiveness of subsequent objective and eyepiece use, thereby guaranteeing the accuracy of the surveying.

The invention relates to the technical field of injection mold detection, in particular to a pressurized injection mold sealing performance detection device. The device comprises a detection assembly, the detection assembly comprises a supporting mechanism, a sealing piece is arranged on the outer wall of the attaching position of a fixed mold body and a movable mold body, a pressurization injection mechanism is installed at an injection molding opening of the fixed mold body in a sealed mode, and the other side of the pressurization injection mechanism is installed on the inner wall of the supporting mechanism. The pressure sensor body receives sensing and sends out a signal, so that the gas injection head stops gas conveying, the movable mold body is pushed by means of external force to perform mold closing operation again, and in the mold closing process, the connecting rod can generate an extrusion effect on the sealing piece, so that the sealing piece is prevented from being damaged. The volume of the cavity in the sealing state is obtained by calculating the total conveying amount of the gas and the amount of the gas finally remaining in the sealing piece, and in the subsequent using process, as long as the amount of the injected gas does not exceed the volume, the mold body can maintain the sealing state.

The utility model discloses a moistureproof power transformation cabinet, which comprises a power transformation cabinet, the lower end of the power transformation cabinet is provided with a dehumidifying mechanism used for producing condensed dew, the dehumidifying mechanism comprises a collecting hopper, an evaporator and a compressor assembly, the collecting hopper is fixedly arranged at the lower end in the power transformation cabinet, the evaporator is fixedly arranged in the collecting hopper, and the compressor assembly is fixedly arranged in the collecting hopper. A compressor assembly is fixedly arranged on the outer side of the power transformation cabinet, and the evaporator is connected with the compressor assembly; the lower end of the surface of the power transformation cabinet is provided with a heat dissipation notch, and the upper end of the interior of the power transformation cabinet is provided with a heat dissipation fan. When moisture prevention is needed, the whole power transformation cabinet can be sealed, moisture exchange between the interior of the power transformation cabinet and the external environment is reduced, the interior of the power transformation cabinet can be rapidly dried, and the moisture prevention effect is improved.

The present invention discloses a photovoltaic energy storage charging device, which relates to the field of photovoltaic energy storage technology. The photovoltaic energy storage charging device comprises a battery box, a photovoltaic panel and a charging pile body, wherein the charging pile body comprises a positive line and a negative line, and a charging head is arranged on the charging pile body, and a hollow annular cover is fixedly connected in the battery box, and the annular cover is filled with a coolant, and a plurality of storage batteries are arranged in the annular cover, wherein the storage batteries comprise a positive pole and a negative pole, and a plurality of heat exchange holes arranged in an array are opened on the side wall of the battery box. The photovoltaic energy storage charging device can adjust a plurality of storage batteries in parallel or in series according to different charging scenarios, and is more convenient and quick to use, and makes the charging effect better; the storage battery can be cooled by air and liquid, so that the cooling efficiency of the storage battery is higher and the effect is better, and the storage battery can be better kept warm under low temperature conditions, so as to ensure its use effect and life.

The invention relates to the technical field of lighting equipment, and discloses an intelligent wall lamp and a control method thereof.The intelligent wall lamp comprises a bottom shell, an upper shell, a lamplight module and a dial control box, the bottom shell and the upper shell are rotationally connected through a rotating shaft and a rotating hole, and the lamplight module comprises an upper lamp panel installed on an inclined wall and a lower lamp panel installed on the bottom wall; the bottom shell is provided with a control hole corresponding to the dial control box, driving currents of the upper lamp panel and the lower lamp panel are dynamically distributed through the current proportion adjusting circuit, the irradiation distance of the intelligent wall lamp is controlled, and power, color temperature and light sensation parameters are switched through the dial switch. High-altitude maintenance operation is simplified through a rotating assembly structure, high-beam and low-beam switching without mechanical zooming is achieved through a double-light-source current distribution mechanism, a non-detachable parameter adjusting channel is established in cooperation with an external control hole, and the problems that the wall lamp is high in maintenance risk, light type adjustment depends on a mechanical mechanism, and sealing integrity is damaged by adjusting parameters are solved.

The application provides a sponge pavement and asphalt pavement junction connecting piece, and belongs to the technical field of road construction, which comprises a first shell, a second shell and a fixing structure, the first shell and the second shell are connected by the fixing structure to connect the sponge pavement and the asphalt pavement, the first shell and the second shell can slide relative to each other, so that the thermal expansion and cold shrinkage do not cause cracking and the like, a water outlet is arranged at the bottom of the second shell, and the accumulated water on the pavement can be guided into the sponge pavement section through the water inlet and the water outlet, so that the service life of the overall pavement is increased.

The invention discloses a heat sealing device, belongs to the technical field of pipe connecting machines, and particularly relates to a medical rubber pipe heat sealing device which comprises a console, a heating assembly and a clamp assembly. The heating assembly and the clamp assembly are fixedly installed on the control table. Through control of the controller, when the heating plate reaches a preset position, the clamps on the two sides move towards the middle position under the action of the air cylinders, the two ends of the double-row pipe make contact with the heating plate, the two end portions rapidly reach the molten state, at the moment, the clamps are opened towards the two sides, the heating plate retracts to the initial state, and the clamps on the two sides rapidly fold towards the middle; the two rows of pipes in the molten state are matched together, and the two ends of the two rows of pipes are fused together after cooling. The quick clamp is opened to take down the double-row pipe, and welding is completed; therefore, manual welding can be replaced, the efficiency is greatly improved, meanwhile, it can be guaranteed that the joint of the rubber pipe is in a completely-sealed state, the welding quality is improved, and the service life of the rubber pipe is prolonged.

This utility model relates to the technical field of insulated glass, and discloses a sealed insulated glass unit comprising two glass plates with a certain gap between them, the gap being filled with an inert gas. A long, narrow spacer strip is disposed along the edges of the two glass plates within the gap. The two ends of the spacer strip are respectively bonded to the two glass plates with butyl adhesive. A silicone sealant block is connected to the side of the spacer strip facing away from the inert gas, and the two ends of the silicone sealant block are bonded to the two glass plates with butyl adhesive. A gap filled with butyl adhesive exists between the silicone sealant block and the spacer strip. This utility model aims to solve the technical problems of fogging, condensation, and water retention in insulated glass due to poor sealing performance.

The utility model relates to the technical field of gear boxes, and discloses a gear box convenient to axially disassemble, which comprises a gear box main body, the bottom end of the gear box main body is fixedly connected with a mounting clamping sleeve, a mounting base is arranged below the mounting clamping sleeve, a first cover plate is arranged on one side of the gear box main body, and a second cover plate is arranged on the other side of the gear box main body. A first cover plate is installed on one side of the gear box body, a second cover plate is installed on the other side of the gear box body, a bearing seat is installed on one side of the first cover plate, a gear shaft is installed in the gear box body, and heat conduction plates are installed at the two ends of the gear box body. According to the detachable second cover plate of the gearbox convenient to axially disassemble, disassembly convenience is improved, during overhauling and disassembly, a positioning plate can be lifted upwards firstly, a positioning insertion rod at the bottom of the positioning plate is moved out of a positioning insertion groove, then the second cover plate is pulled towards one side, and a positioning clamping block on one side of the second cover plate is taken out of a positioning clamping groove; and the second cover plate can be directly taken out with the gear shaft, so that the problem of inconvenience in axial disassembly is solved.

The invention discloses a safe sodium ion battery pack, and relates to the technical field of battery packs. A battery cell shell is arranged outside a battery cell in a sleeving mode, an outer protective shell is arranged outside the battery cell shell, a locking cavity is formed in the middle of the battery cell, the battery cell sequentially penetrates through the battery cell shell and the outer protective shell along the locking cavity to be provided with a locking mechanism, an annular air chamber is arranged between the outer protective shell and the battery cell shell, and a sealing ring is arranged at the top of the annular air chamber. An exhaust assembly is arranged in the locking mechanism, a fire extinguishing mechanism is arranged on one side of the annular air chamber in the outer protective shell, and a heat conduction plate is installed on one side of the outer portion of the outer protective shell. By arranging the locking mechanism and the sealing ring, external high-temperature gas and flame are prevented from entering the battery to damage the battery, so that the safety of the battery in case of fire is improved, and by arranging the fire extinguishing mechanism and the exhaust assembly, all the surrounding environments inside and outside the battery are in a state of being filled with fire extinguishing gas, and the safety of the battery is improved. And the protection range of the battery pack is expanded.

The invention relates to the technical field of packaging containers of products, and provides a container sealing device capable of releasing materials in an internally transverse cutting mode, the container sealing device is formed by assembling an inner cover and a control cover together, the inner cover is provided with a first buckle, a first positioning stop blocking buckle, a sealing piece, a supporting and pressing structure and a convex chamber structure, and the inner wall of a surrounding structure of the inner cover is provided with a thread or a clamping and blocking structure; a sharp structure which is in a protruding shape and points to the inner wall of the side wall of the control moving cover is arranged in the control moving cover, and the control moving cover is provided with a second clamping buckle and a second positioning stopping blocking buckle; the container sealing device is mounted at the neck of a container, the sharp structure starts to slide from the convex chamber structure by controlling the mutual rotation between the moving cover and the inner cover, the thinning connecting structure is transversely cut from the interior of the cylindrical enclosure structure of the inner cover to a preset position, and the notch of the sealing piece is pushed to the exterior of the cylindrical enclosure structure, so that the container is sealed. And the materials in the container sealing device are released into the container. In addition, the invention further provides a component of the container sealing device and a packaging container.

The utility model provides a target flow switch, which relates to the technical field of pipeline water flow detection and comprises a switch body, an electrical assembly, a blade and a waterproof piece. The electrical assembly is installed at the upper end of the switch body. The lower end of the switch body is open; a cavity is formed in the switch body, the upper end of the cavity is in threaded connection with a magnet seat, and the blade is in threaded connection with the magnet seat; the blade is sleeved with the waterproof piece, and the waterproof piece abuts against a groove in the inner wall of the switch body through a flush joint part. The waterproof piece arches in the axial direction of the blade and abuts against the limiting part of the blade to form a protruding part. A blocking cavity is formed in the protruding part. The problem that impurities enter a switch body due to the fact that a rubber cap of a target current switch is damaged or gaps exist between the rubber cap and the switch body in the prior art is solved.

The present invention discloses a temperature reduction and pressure reduction regulating valve, comprising a regulating valve body, a water inlet pipe is fixedly installed on the outer surface of one side of the regulating valve body, a connecting valve is fixedly installed on the outer surface of the water inlet pipe close to the regulating valve body, the water inlet pipe is fixedly installed with the regulating valve body through the connecting valve, a valve hole is opened on the outer surface of the water inlet pipe close to the connecting valve, a cleaning valve is movably installed inside the valve hole, a movable rod is movably installed inside the lower end of the cleaning valve, and a cleaning sheet is fixedly installed on the outer surface of the movable rod. The device can filter dirt in the pipeline to prevent dirt from entering the regulating valve and causing damage to the regulating valve, thereby improving the service life of the device, and at the same time, the filtered dirt can be cleaned and discharged without disassembling the device, and the cleaning method is simple, fast and efficient, thereby improving the use effect of the device.