49results about How to "Ensure dry environment" patented technology

The invention relates to the technical field of fuel cells and discloses a fuel cell stack shell and a fuel cell stack system.The fuel cell stack shell comprises a shell body, a cover plate, a sealing gasket, a waterproof ventilation valve and an anti-explosion valve, the shell body is of a structure with one end open, and the shell body is used for containing a fuel cell stack; the cover plate is arranged on the opening of the shell body in a covering manner; the sealing gasket is arranged between the cover plate and the shell body and abuts against the shell body and the cover plate. The waterproof ventilation valve is arranged on the shell body and / or the cover plate and used for exhausting gas in the shell body and preventing external water vapor from entering the shell body. The anti-explosion valve is arranged on the shell body and / or the cover plate and used for being opened when the internal pressure of the shell body exceeds a safety threshold value and releasing the pressure in the shell body. The fuel cell stack shell provided by the invention causes the stack to have the advantages of high use safety and high reliability.

The utility model discloses an outdoor high-safety high-low voltage switch cabinet, which comprises a cabinet body, a base is fixed at the bottom end of the cabinet body, and a cabinet door is hinged inside the front end of the cabinet body. According to the outdoor high-safety high-low voltage switch cabinet, when the switch cabinet is used, the mounting frame is arranged at the top of the front end of the cabinet door, and when the switch cabinet is used after being mounted, the mounting frame can be overturned downwards to cover the front end of the cabinet door through the hinge joint between the connector and the interior of the hinge frame; in this way, auxiliary external shielding and dust prevention can be conducted on the display instrument and the operation button assembly, damage to the display instrument and the operation button assembly caused by wind and rain erosion is reduced, meanwhile, a sealing lock can penetrate through the interior of the connecting plate and the interior of the connecting frame, the mounting frame is locked at the front end of the cabinet door, and the use safety of the switch cabinet is improved; the problem that shielding and dust prevention of the exterior of a display and control assembly on a switch cabinet are inconvenient is solved.

This utility model provides a miniature cofferdam cover for pile foundations. The miniature cofferdam cover includes: a pile foundation, an outer shell comprising at least two outer shell segments detachably connected around the pile foundation, and a water-stop membrane, in the form of a strip, surrounding the pile foundation with its bottom end lower than the bottom of the outer shell. A fixing clip is provided on the outer shell segment, comprising a threaded rod and a fixed end movably connected to the threaded rod. The fixed end moves towards the pile foundation under the push of the threaded rod. Connection holes and water-stop strips are provided at the edges of the outer shell segment. By using the outer shell segments to surround the pile foundation, the pile foundation is isolated from the surrounding water, providing space for water-based operations. The water-stop membrane isolates water at the contact point between the outer shell and the pile foundation, preventing external water from flowing into the outer shell from the connection point. The multi-segment connection method of the outer shell segments facilitates the transportation and installation of the outer shell. Furthermore, the structure of the outer shell, which can be completed in two segments, has fewer structural components, is easy to assemble, and saves on cofferdam costs.

The utility model discloses a containing vessel for freeze drying of probiotic microcapsules, which comprises a vessel body, a plurality of rib grooves, a plurality of connecting rods and a plurality of connecting rods, wherein the inner side wall of the vessel body is annularly provided with a plurality of rib grooves; the cover body covers the opening in the top end of the vessel body in a matched mode, and moisture absorption cotton is connected to the bottom wall of the cover body; the disk is placed inside the vessel body, a plurality of stand columns are fixed on the disk, a plurality of outer convex bodies are arranged on the outer side walls of the stand columns, and gaps among the probiotic microcapsules are increased through the outer convex bodies. The probiotic microcapsule drying device is simple in structure, capable of being used as a special vessel, resistant to low temperature and high in drying efficiency.

The utility model relates to the field of mutton packaging boxes, and discloses a heat preservation mutton packaging box which comprises a box body, a containing assembly and a box cover, a sliding groove is formed in the side wall of an inner cavity of the box body, the box body is connected with an inner pull rod in a sliding mode through the sliding groove, and a collecting groove is formed in the bottom of the interior of the box body. The heat preservation mutton packaging box comprises a box body, detachable connecting bases are arranged on the periphery of the inner side of the box body, a containing assembly is arranged on the tops of the connecting bases, a box cover is arranged on the top of the box body, the heat preservation mutton packaging box can discharge blood or ice water generated by mutton through a hole plate in the containing assembly, and liquid is prevented from being accumulated in the box body; according to the mutton fresh-keeping box, the drying environment in the box body is greatly kept, the adverse effects of humidity on the mutton quality, such as bacterium breeding and meat softening, are reduced, so that the fresh-keeping period of mutton is prolonged, the design of the pore plate is convenient to disassemble and clean, the box body can be easily and thoroughly cleaned after being used every time, and the sanitary condition of the box body in the next time of use is ensured.

The invention discloses an underground comprehensive pipe gallery joint anti-vibration and anti-seismic device and an operation method.The device adopts a damping assembly and comprises an outer steel lantern ring and an inner steel lantern ring which are connected between a first comprehensive pipe gallery and a second comprehensive pipe gallery in a sleeved mode, and a spring protection device is arranged between the outer steel lantern ring and the inner steel lantern ring; the relative displacement between the first comprehensive pipe gallery and the second comprehensive pipe gallery in the earthquake process can be effectively reduced, and the good anti-seismic effect is achieved; according to the device, the outer steel lantern ring and the inner steel lantern ring which are connected into a whole in a sleeved mode are used, the structural strength of the connector is effectively enhanced, and the spring protection device arranged between the outer steel lantern ring and the inner steel lantern ring is used for absorbing and dispersing energy of seismic waves when an earthquake occurs; structural damage and internal facility damage caused by earthquakes are avoided; according to the device, the anti-seismic performance of the pipe gallery joint is improved, safe operation of facilities in the pipe gallery is guaranteed, the service life of the pipe gallery is prolonged, and the device has good application and popularization value.

This utility model discloses a waterproof voltmeter for transformers, aiming to solve the problem of waterproofing and moisture-proofing transformer voltmeters in outdoor environments. The voltmeter is mounted on top of the transformer mechanism and is equipped with a waterproof component. The waterproof component consists of a PVC shell, a door, and a silicone sealing gasket, forming a sealed space that effectively prevents external moisture intrusion. A built-in desiccant absorbs internal moisture, and the desiccant is easily replaceable to maintain a long-term dry environment. A glass plate is embedded in the door, allowing for easy observation of the voltmeter reading without opening the door, reducing the risk of moisture damage. Simultaneously, the transformer mechanism is equipped with heat dissipation fins to ensure normal transformer operation. This technical solution, through structural design and material selection, achieves waterproof and moisture-proof functionality for transformer voltmeters in outdoor environments, improving the reliability and service life of the equipment, and is suitable for various outdoor transformer scenarios.

This application relates to a self-drainage structure for a rotor installation pit. This application is applicable to the field of hydropower construction technology. The technical problem to be solved by this application is: to provide a self-drainage structure for a rotor installation pit. The technical solution adopted in this application is: a self-drainage structure for a rotor installation pit, comprising: an upper drainage hole formed between the installation pit and a construction support tunnel below the installation pit, the upper end of the upper drainage hole connecting to the bottom of the installation pit, and the lower end of the upper drainage hole connecting to the construction support tunnel; a middle drainage pipe disposed within the construction support tunnel, the upper end of the middle drainage pipe connecting to the lower end of the upper drainage hole, and the lower end of the middle drainage pipe extending to a drainage ditch at the bottom of the construction support tunnel; and a lower drainage hole formed between the construction support tunnel and a self-drainage tunnel below the construction support tunnel, the lower drainage hole connecting to a drainage ditch at the bottom of the construction support tunnel, and the lower end of the lower drainage hole connecting to the self-drainage tunnel.

The utility model discloses a wheat variety breeding's storage device, it includes storage box, the side inner wall fixedly connected with guide rail of storage box, the side surface slidingly connected with sliding frame of guide rail, the inside fixedly connected with limiting rod of sliding frame, the side surface slidingly connected with receiving frame of limiting rod, the inside fixedly connected with screen cloth of receiving frame, the side surface fixedly connected with motor of storage box, the output fixedly connected with rotating rod of motor, the side surface slidingly connected with connecting rod of rotating rod, the side surface fixedly connected with slide rail of connecting rod, the inside slidingly connected with slide of slide rail. Through above-mentioned parts, through the screen mesh of the number of threads increasing in multistage receiving frame, cooperate the reciprocating vibration structure of motor drive, can efficiently divide the seed according to the particle size, satisfy the sub -division requirement of seed specification of breeding. The drying protection system is sent into the storage box through the fan air supply, removes the impurity through the filter plate, and removes the moisture after the drying plate, and all -round guarantee seed drying environment, reduce the mildew risk.

The embodiment of the application provides an ironing head and an ironing machine, and belongs to the technical field of clothes care. The ironing head comprises: an ironing panel, wherein an air suction port is formed in the ironing panel; a shell, wherein the shell and the ironing panel jointly form a containing cavity; a mounting shell, wherein the mounting shell is arranged in the containing cavity, the mounting shell has a mounting cavity, and the mounting shell separates part of the containing cavity to form an airflow channel, the airflow channel is communicated with the air suction port and the mounting cavity; and a suction member, wherein the suction member is arranged in the mounting cavity, and the suction member is configured to suck gas outside the containing cavity into the mounting cavity through the air suction port and the airflow channel, and discharge the gas from the mounting cavity to the shell. By means of the mounting shell, the region for mounting a drying component in the containing cavity can be isolated from the mounting cavity, a relatively independent channel is formed, and the humid gas in the mounting cavity cannot enter the region of the containing cavity, so that the dry environment inside the containing cavity is effectively ensured.

The utility model discloses an integrated water purifier with an air partition and convenient discharge, and relates to the technical field of water purifiers. Comprising a water machine, an air partition collecting and discharging opening, an equipment main discharging opening, square steel, a sampling and discharging opening and an unqualified water discharging opening, the sampling and discharging opening and the unqualified water discharging opening are formed in the middle of the back face of the water machine and connected with an air blocking device through the air partition collecting and discharging opening, and the bottom of the air blocking device is connected with the horizontal square steel. And the horizontal square steel is connected with a total discharge port of equipment. According to the utility model, the structural design is reasonable, and one set of water machine corresponds to a plurality of discharge pipe orifices instead of one discharge main orifice. An air blocking device is additionally arranged, so that the risk of microorganism breeding of equipment caused by too many drain pipes is reduced, and meanwhile, the risk of wastewater backflow is avoided.

This utility model relates to the field of metal surface treatment technology, specifically to a cleaning device for grinding bearing steel balls. It includes a sealed base, with a mesh frame installed on the upper part of the sealed base. A transmission pipe for transporting steel balls is connected to the upper rear of the mesh frame. The portion of the transmission pipe that penetrates the sealed base is a through-hole, and this through-hole is designed at an angle. A discharge port is opened in the lower part of the mesh frame, and a cleaning brush assembly is installed inside the mesh frame. By combining the cleaning brush assembly with an ultrasonic isolation chamber, the abrasive and metal debris on the surface of the steel balls are thoroughly removed. The vortex-like motion of the brush rollers, combined with the solution sprayed from the high-pressure nozzle, effectively removes larger particles of contaminants, while the cavitation effect generated by the ultrasound further removes microscopic contaminants. The angled design of the transmission pipe ensures that the steel balls are evenly distributed when entering the mesh frame, avoiding accumulation and thus improving cleaning efficiency. An electric push rod and a baffle can precisely control the discharge process of the steel balls when needed.

The utility model relates to the technical field of withstand voltage testers, and discloses a withstand voltage tester with accommodating and managing functions, which comprises a box body, a platform is slidably connected in the box body, a fixed pad is fixedly connected on the upper surface of the platform, an instrument is arranged in the fixed pad, a display screen is arranged in the instrument, and the display screen is fixedly connected with the platform. A knob is arranged in the instrument, a first buckle is arranged on the upper surface of the platform, a limiting groove is formed in the first buckle, a second buckle is fixedly connected to one side of the outer wall of the first buckle, a first fixing block is fixedly connected to the upper surface of the platform, a probe is arranged in the first fixing block, and a groove is formed in the first fixing block. According to the utility model, the buckles and the fixing blocks are arranged on the platform, so that instrument accessories can be stored, cables and other wires are prevented from being wound, the safety and the standardization of instrument use are improved, and the service life of the accessories is prolonged.

The utility model provides a traceable packaging box for packaging medicine consumables, which belongs to the technical field of packaging boxes and comprises a packaging box body. The box cover is movably hinged to the inner wall of one side of the packaging box body through a hinge shaft, and a traceable label is arranged at one end of the packaging box body; the two sliding grooves are formed in one end of the box cover, and two clamping grooves are formed in the inner surface of the packaging box body; and each clamping mechanism comprises a limiting plate, the limiting plate is slidably connected to the inner surface of the sliding groove, one end of the limiting plate is fixedly connected with a clamping block, the packaging box opening and closing structure is easy to operate and high in sealing performance, workers can conveniently and rapidly assemble or disassemble the packaging box opening and closing structure, meanwhile, multiple sealing design is arranged, and the sealing performance is improved. Sealing failure caused by vibration in the transportation process is avoided, and the strict requirement of sterile medicine for air tightness is greatly met.

The utility model discloses a moisture-proof prefabricated substation based on circulating ventilation, which comprises a prefabricated substation body, the top of the prefabricated substation body is provided with a partition shed, and a plurality of top air inlet turbulent flow assemblies are symmetrically arranged at the top of the prefabricated substation body at an inclined angle. The top air inlet turbulence assembly is arranged at the top of the prefabricated substation body, the four side air inlet ventilation assemblies are symmetrically arranged at side doors of the prefabricated substation body, and the bottom circulation exhaust assembly is arranged at the bottom of the prefabricated substation body. Airflow flows to all positions in the prefabricated substation body through airflow disturbance and convection flow, airflow dead angles are eliminated, local moisture accumulation in the prefabricated substation body is avoided, moist air in the prefabricated substation body is exhausted, and the obliquely-distributed guide plates can effectively prevent external bottom moisture from entering the prefabricated substation body, so that the moisture in the prefabricated substation body is effectively prevented from entering the prefabricated substation body. And the moisture-proof performance of the prefabricated substation body is improved.

This utility model relates to the field of packaging bag technology, and in particular discloses a silicone sealing bag product with easy opening and closing, including a bag body and an opening and closing component disposed on the bag body. The bag body has a receiving cavity for accommodating external items, and one end of the bag body has an opening communicating with the receiving cavity. The opening and closing component is disposed inside the opening for opening and closing the opening. The opening and closing component includes a first sealing part and a second sealing part adapted to each other. The first sealing part and the second sealing part are respectively installed on opposite side walls of the opening of the bag body. After the first sealing part and the second sealing part are connected, the opening of the bag body is closed. This utility model simplifies the opening and closing operation by setting an opening and closing component, and the sealing performance is better than the folding seal of traditional silicone bags, ensuring that the items can be kept inside the bag and not affected by the outside world. Moreover, it eliminates the need for additional zipper sliders, saving production costs.

The utility model relates to the technical field of ultralow-temperature refrigeration houses, in particular to a heat preservation house body structure of an ultralow-temperature refrigeration house, which comprises a ground layer, outer wall plates are arranged on four sides of the ground layer, a top plate is arranged among the top ends of the outer wall plates on the four sides, and PU (polyurethane) filling materials are filled at joints of the outer wall plates on the four sides and the top plate. And protective layers are arranged at joints of the ground layer and the outer wall plates on the four sides. The ground layer, the outer wall plate, the top plate, the PU filling material and the protective layer are used in cooperation, the connecting position of the outer wall plate and the top plate is filled with the PU filling material, a good sealing effect can be provided, cold air leakage and external hot air permeation are prevented, the energy use efficiency is optimized, the protective layer is arranged at the connecting position of the ground layer and the outer wall plate, and the service life of the refrigerator is prolonged. The protective layer is made of the stainless steel sheet, so that additional mechanical protection can be provided, physical damage is prevented, good anti-corrosion performance is achieved, and meanwhile the heat bridge effect can be avoided.

The invention discloses an electric vehicle alternating current charging pile for outdoor installation. The electric vehicle alternating current charging pile comprises an upper box body and a lower box body. A charging control module and a ground wire are arranged in the upper box body, and the ground wire penetrates to the ground from the lower box body. The side wall of the upper box body is provided with an air outlet, an air inlet and a water filling nozzle, the air outlet is provided with an exhaust fan, the air inlet is connected with an air inlet channel, and a condensation water-making mechanism is arranged in the air inlet channel. First and second water storage tanks are arranged in the box, the top of the first tank is connected with a first water inlet pipe, an electric valve is arranged on the pipe, and the top of the pipe is connected with a water receiving hopper for collecting condensate water; the second tank top is connected with the water filling nozzle through a second water inlet pipe. The upper parts of the two tanks are connected through a communicating pipe. An inlet of the flow pump is connected with the second tank bottom through a sewer pipe, and an outlet of the flow pump is connected with a drain pipe to the through hole of the lower tank body and is contacted with a ground wire. A first water level sensor is arranged on the side wall of the first tank; and a controller and an air temperature sensor are arranged in the upper box body. The AC charging pile can autonomously keep the joint of the ground wire and the ground wet for a long time.

The utility model discloses an adhesive sticker in the field of adhesive stickers, which comprises backing paper and a plurality of sticker main bodies, each sticker main body sequentially comprises a pattern layer, an anti-fracture layer and a connecting layer, the pattern layer is connected with the anti-fracture layer in a bonding manner, the anti-fracture layer is connected with the connecting layer in a bonding manner, and the connecting layer is connected with the anti-fracture layer in a bonding manner. A waterproof layer is adhered to the outer surface of the pattern layer, a plurality of placement grooves are formed in the top surface of the bottom paper, a plurality of sticker bodies are adhered to the interiors of the placement grooves, an easy-to-tear layer is adhered to the bottom of the connecting layer, the easy-to-tear layer extends to the exteriors of the placement grooves, and absorbent cotton is adhered to the side surfaces of the placement grooves. According to the non-setting adhesive sticker disclosed by the utility model, the waterproof layer is adhered to the outer surface of the pattern layer, so that the non-setting adhesive sticker has excellent waterproof performance.

The utility model provides a wallpaper damp-proof storage device, and relates to the technical field of wallpaper damp-proof storage. Four threaded holes are formed in the top end of the bearing plate; and a storage cabinet is fixedly mounted in the middle of the top end of the bearing plate. When wallpaper is automatically stored into the storage cabinet, a plurality of wallpaper rollers can be automatically wound by moving one motor to adjust the position, so that the thick and large wallpaper rollers can be automatically wound into the storage cabinet, a large amount of labor force is saved, the working efficiency is improved, and the problems that the space for storing the wallpaper is limited, and a large storage environment cannot be provided for the wallpaper are solved; the problems that in the prior art, due to the fact that wet air from the ground rises upwards, the position of a storage device needs to be heightened, however, wallpaper needs to be rolled automatically during storage, and if the rolled wallpaper is too long, too large and heavy, a large amount of labor force is wasted and the working efficiency is reduced due to manual rolling are solved.

This utility model relates to the field of electronic component sales technology and discloses a display and dehumidifying cabinet for electronic component sales. It includes a cabinet body with a support plate fixedly connected to the upper part of the cabinet interior. An observation window is provided on the upper surface of the cabinet body, located directly above the support plate. Equidistant sliding holes are provided on the front surface of the cabinet body, extending into the interior of the cabinet body. A cabinet door is rotatably connected to the front of the cabinet body via a hinge, located below the sliding holes. It also includes a placement mechanism, which is located on the upper part of the support plate, and a placement plate for placing electronic components. This utility model, through the placement mechanism and sliding holes, makes the placement and retrieval of electronic components more convenient. The design of the movable plate and partitions allows for flexible adjustment according to the size and quantity of electronic components, improving the space utilization of the display cabinet. Simultaneously, the sealing plate and sealing ring effectively prevent moisture from entering the cabinet interior through the sliding holes, enhancing the dehumidifying performance and ensuring the storage quality of the electronic components.

The present invention discloses a polymer hardness testing device, including a body, a hardness meter and a pressure-bearing platform that can be lifted and lowered on the body, and also including a test chamber, a feeding mechanism, a water absorption component, a discharging mechanism and a temperature control mechanism. The test chamber is fixedly connected to the body, the hardness meter and the pressure-bearing platform are both located inside the test chamber, the feeding mechanism is used to transport the test piece to the inside of the test chamber, the water absorption component is arranged inside the feeding box, and is used to absorb the moisture on the surface of the test piece, the discharging mechanism is used to collect the test piece after the test, the temperature control mechanism is used to control the temperature in the test chamber, the temperature control mechanism includes a temperature controller, a fan and a connecting pipe, the temperature controller is fixedly installed inside the test chamber, the fan is installed inside the test chamber, and the test chamber is connected to the feeding mechanism and the discharging mechanism through the connecting pipe. The present invention solves the problem that the external temperature and humidity changes in the prior art affect the test results.

The invention relates to the technical field of cobalt-chromium alloy powder storage, and discloses a cobalt-chromium alloy powder storage device for 3D printing and a using method thereof.The cobalt-chromium alloy powder storage device for 3D printing comprises a storage tank, a fixing shell sleeve is fixedly connected to the outer wall of the storage tank, an auger is rotatably connected to the inner wall of the fixing shell sleeve, a motor is powered on to operate to drive a first bevel gear to rotate, and when the first bevel gear rotates, the first bevel gear rotates; a second bevel gear drives an auger to rotate, due to the design of an arc-shaped inclined face of an arc-shaped bottom plate, cobalt-chromium alloy powder stored at the bottom of a storage tank can slide into a feeding groove along with the arc-shaped bottom plate, when the auger rotates, the auger is driven to ascend and then slides to the top of the cobalt-chromium alloy powder from a discharging groove, and the effect that the cobalt-chromium alloy powder at the bottom is lifted to the top is achieved; and the situation that in the long-time storage process, due to the fact that a large amount of cobalt-chromium alloy powder is contained in the storage tank and the density of the cobalt-chromium alloy powder is large, the cobalt-chromium alloy powder at the bottom is subjected to large pressure, caking is formed, and use of the cobalt-chromium alloy powder is affected is avoided.

The utility model discloses storage moisture-proof equipment in the technical field of moisture-proof equipment, which comprises an air chamber box, supporting plates are connected to two sides of the air chamber box through bolts, and an inclined water collecting tank is connected to the bottom of the air chamber box. A plurality of vertical cooling plates are mounted in the air chamber box, a plurality of refrigeration pipe bodies in the cooling plates are used for heat exchange, the cooling plates are in a low-temperature state, internal airflow in the air outlet plate is extracted through a plurality of fans, negative pressure is formed in the air chamber box, airflow guided in by the air inlet plate enters the plurality of vertically-distributed cooling plates, and the cooling plates are in a low-temperature state. The multiple cooling plates make full contact with air, water vapor in the air is cooled and condensed and drops into the water collecting tank through bottom gathering, the content of the water vapor in the air is reduced, then the water content in the wheat warehouse is reduced, internal air drying can be continuously conducted, the damp-proof purpose is achieved, frequent replacement of traditional adsorption materials for adsorbing water is avoided, and the service life of the wheat warehouse is prolonged. And a dry environment in the warehouse is ensured.

The utility model discloses a fertilizer drying device for fertilizer production, relates to the field of fertilizer production, and aims to solve the problem that in the prior art, a drying tank can only quantitatively dry a chemical fertilizer every time and cannot realize continuous drying during chemical fertilizer production, so that the production efficiency of the chemical fertilizer is relatively low. A drying tank is rotatably arranged at the upper end of the heating base, an inclined feeding pipe is fixedly connected to the middle of the supporting column, a rotating shaft is rotatably connected to the middle of the interior of the inclined feeding pipe, and a plurality of sets of dispersing rods are annularly arrayed on the rotating shaft; the lower end of the inclined feeding pipe in the inclined direction extends into the drying tank, a throwing notch is formed in the upper end of the inclined feeding pipe, and the lower end of the rotating shaft in the inclined direction extends into the throwing notch of the inclined feeding pipe and is fixedly connected with two throwing plates. Continuous feeding and uniform dispersing of the fertilizer are achieved, the problem that a traditional drying device can only conduct quantitative drying is effectively solved, and the production efficiency is remarkably improved.

The pot cover assembly comprises a surface cover and a panel pasting film, the panel pasting film is pasted and fixed to the upper surface of the surface cover, the upper surface of the surface cover is provided with an air outlet and an installation position used for installing a display assembly, and the upper surface of the surface cover is further provided with a flow guide hole and a sealing groove. The flow guide hole surrounds at least part of the periphery of the air outlet, a sealing piece is arranged in the sealing groove and located between the flow guide hole and the installation position, and an opening corresponding to the air outlet is formed in the panel pasting film. Therefore, steam can reach the lower portion of the surface cover through the flow guide hole and is finally discharged to the outside through the gap of the pot cover assembly without large-scale diffusion between the panel pasting film and the surface cover, and therefore large-area separation of the panel pasting film and the surface cover is effectively avoided, and pasting stability of the panel pasting film is guaranteed. In addition, a sealing piece is arranged in the sealing groove, and the sealing piece abuts against the panel pasting film to form sealing, so that the steam is blocked by the sealing piece and cannot continue to diffuse and flow towards the installation position.

The invention relates to the technical field of medicine bottles, and discloses a moisture-proof medicine bottle for medicine protection, which comprises a medicine bottle body, the top of the medicine bottle body is in threaded connection with a threaded bottle cap, the bottom of the threaded bottle cap is fixedly connected with a moisture absorption device, and the top of the medicine bottle body is provided with an opening part. The outer side of the opening part is fixedly connected with a sealing external thread, and the inner side of the opening part is fixedly connected with a moisture-proof device; the damp-proof device combining the fixing sleeve cover and the reset device is arranged, damp-proof protection of medicine taking is innovatively achieved, the first medicine outlet and the arc-shaped through groove are formed in the fixing sleeve cover, so that the overall sealing performance of the interior of the medicine bottle can be kept when medicine is taken, moisture is prevented from invading while the medicine is taken, and the medicine taking safety is improved. And the reset device ensures that the inner sealing cover can automatically reset after the medicine is taken, the first medicine outlet is closed again, and the damp-proof state of the medicine bottle is maintained, so that the damp-proof reliability of the medicine is improved, and the convenience of user experience is enhanced.

The utility model relates to the technical field of ring main units, and discloses a ring main unit for an electric power system, comprising a ring main unit, the top of the ring main unit is fixedly connected with an installation chamber, the interior of the installation chamber is provided with a diffusion fan, the left side of the ring main unit is provided with a dehumidification mechanism, and the right side of the ring main unit is provided with a heating mechanism. The dehumidification mechanism comprises a dehumidification assembly and an auxiliary drying assembly, the dehumidification assembly is arranged on the left side of the ring main unit, the auxiliary drying assembly is arranged on the back face of the dehumidification assembly, and after entering the dehumidification box through the dehumidification assembly, moisture is removed through three layers of cotton core filter screens in sequence; the dehumidification box is arranged in the ring main unit and is matched with the auxiliary drying assembly to efficiently remove moisture in the air, the moisture is discharged into the ring main unit again, so that a dry environment in the ring main unit is ensured, components in the ring main unit are prevented from being affected with damp and damaged, meanwhile, a cotton core filter screen in the dehumidification box can be taken out to be replaced, and the replacement cost is reduced. And the dehumidification efficiency of the dehumidification assembly is further improved.

The utility model discloses a drying device for an aluminum-based copper-clad plate, which comprises a base and a drying box body fixed on the base, a conveyor belt is arranged in the middle of the drying box body in a penetrating manner, and a plurality of electric heating tubes are fixed on the inner wall of the drying box body; a cavity is formed in the top wall of the drying box body, an air guide channel is formed in the side wall of the drying box body, and air outlet thin holes are formed in the bottom wall of the drying box body; a concave cavity is formed in the outer wall of the drying box body; a water absorption and ventilation structure is arranged in the cavity, and a fan is fixed on the bottom wall of the cavity; and in the drying box body, the fan, the cavity, the air guide channel and the air outlet fine holes form a circulating air channel. The drying device is reasonable in structural arrangement, water vapor generated during drying in the drying box body can be guided, water is absorbed and removed through the water absorption and ventilation structure, the drying environment in the drying box body is guaranteed, drying efficiency and drying quality are improved, the water absorption and ventilation structure is convenient to replace, use convenience is improved, and the drying device is worthy of popularization and application. And the applicability and the practicability are high.

The utility model discloses a portable cold closet convenient to move, and belongs to the technical field of cold storage and heat preservation. The cold closet comprises a cover, an inner box and a shell, a double-layer design is adopted, an air layer is formed between the shell and the inner box, and good heat preservation and shock absorption effects are provided. The bottom of the inner box is provided with water-permeable holes to ensure that the inside of the box is kept dry and prevent articles from being damped. Partition plates are arranged in the inner box and divide the inner box into four independent storage grids, the partition plates are of a double-layer structure, ice bags can be placed in the partition plates, and the refrigeration effect is further improved. According to the overall design, the heat preservation performance and the use flexibility of the refrigerating box are improved, the refrigerating box is suitable for outdoor activities and long journeys, and an efficient, reliable and low-maintenance refrigerating solution is provided.