1811results about How to "Improve sealing" patented technology

The invention relates to a low-noise water purifier. The water purifier includes a shell, an integrated waterway plate and booster pumps. The integrated waterway plate is fixed to the shell and is connected to water outlets of the booster pumps through pressure stabilizing tanks. The pressure stabilizing tanks are disposed between the booster pumps and the integrated waterway plate. The integrated waterway plate is connected to a plurality of evenly arranged connection tubes and is connected to filter core base assemblies through the connection tubes in a one-one correspondence manner. Beneficial effects of the water purifier are that 1) water knocking abnormal sound of the water purifier is reduced, thus improving user experience, 2) the structure is simple, water leakage is prevented and the production efficiency is high, and 3) replacement of a consumable of the product is simpler and more convenient.

A natural gas filling device reliable in sealing is disclosed. The device is characterized in that the device comprises a liquid filling gun, a liquid receiving component matched with the liquid filling gun and used for filling a gas cylinder with liquid, and a gas returning component communicated with the gas outlet of the gas cylinder; the liquid filling gun is provided with a first outer shell, a first rotating fastener disposed in the first outer shell and connected to the first outer shell and the inner wall of which is provided with a symmetrical spiral groove, a first valve body between the first rotating fastener and the first shell, and a first valve core disposed in the first valve body and containing a liquid inlet and a liquid outlet; and the liquid receiving component is provided with a first shell, wherein the head of the first shell extends into the first rotating fastener and is in sealing match with the tail part of the first valve body, and the periphery of the first shell is provided with a first pivot pin engaged with the spiral groove in the first rotating fastener. The device is convenient in maintenance, replacement and operation of quick-wear parts and convenient to use. The device can be used for other low-temperature liquid media besides LNG and is simple in structure, low in cost, convenient in operation and reliable in sealing.

The invention relates to a gas nano purifier. The gas nano purifier comprises a mounting seat, the gas storage bin is installed on the installation base and used for storing clean gas, the side wall of the upper portion of the gas storage bin extends upwards to form an installation plate, and a gas path through hole is formed in the middle of the installation plate; the gas-water separator is mounted on the mounting plate and is used for carrying out primary purification on to-be-cleaned gas; the adsorption tower is mounted on the mounting plate and is used for carrying out secondary purification on the to-be-cleaned gas; gas to be cleaned sequentially flows through the gas-water separator and the adsorption tower and then enters the gas storage bin; the adsorption tower is communicated with the gas storage bin through an exhaust pipe; and the exhaust pipe penetrates through the gas path through hole. Through the arrangement, the installation operation is greatly simplified, and the integrity and the space utilization rate of equipment are improved.

The invention provides an intelligent transportation packaging box for composite materials, and relates to the technical field of packaging boxes, the intelligent transportation packaging box comprises an upper box, a lower box is arranged at the bottom end of the upper box, a limiting boss is fixedly mounted at the top end of the upper box, a limiting groove is formed in the bottom end of the lower box, and reinforcing ribs A and reinforcing ribs B are fixedly mounted on the surfaces of the upper box and the lower box; locking hasps are arranged at the positions, close to the centers, of the surfaces of the upper box and the lower box, and a handle is fixedly installed at the top end of the upper box. According to the packaging box, the upper box and the lower box can be attached more tightly through the sealing strip and the boss body, the sealing performance is improved, and the data acquisition system can monitor and record the transportation state of the packaging box in real time, record the transportation track and the transportation speed of the packaging box and record the opening time and the opening frequency of the packaging box; the internal temperature change of the packaging box and the vibration condition of the packaging box are recorded, practicability is high, and advancement is remarkable.

The application relates to the technical field of polished rod sealing devices of sucker rod wells, in particular to a combined intelligent adjusting flexible polished rod wellhead sealing device, which comprises an air charging sealing device clamped on a flexible polished rod; the air charging sealing device comprises an air charging and discharging pump, a hard outer wall and an annular air bag; the annular air bag is arranged between the hard outer wall and the flexible polished rod; the air charging and discharging pump is arranged outside the hard outer wall and is used for controlling air charging and discharging of the annular air bag, so that the annular air bag tightly holds or releases the flexible polished rod. The air charging and discharging of the annular air bag is controlled by the air charging and discharging pump, the tightly holding and releasing of the annular air bag to the flexible polished rod can be flexibly realized, the state can be adjusted according to actual working conditions, and the convenience and adaptability of sealing and clamping operations are improved.

This utility model discloses a sealing fixture and battery testing system for illumination testing. It includes a first clamping block, a second clamping block, and a sealing structure. The first clamping block has an illumination testing channel communicating with a clamping area. This channel accommodates an external light source during battery testing, allowing the external light source to directly illuminate the glass substrate of the battery sample. In other words, this technical solution, on the one hand, eliminates the need for a quartz glass light-transmitting element in traditional structures by incorporating the battery sample with its glass substrate as part of the sealing fixture; on the other hand, the clamping area and sealing structure achieve reliable sealing of the battery sample. Furthermore, the illumination testing channel on the first clamping block allows external light to directly illuminate the surface of the battery glass substrate, significantly improving light utilization efficiency and transmittance, and avoiding light loss caused by quartz glass.

This invention discloses a grouting and sealing device for fault water hazard prevention, relating to the field of underground grouting and sealing technology in coal mines. It includes a grouting component body with a feed pipe fixedly installed on its inner surface. The grouting component body is equipped with at least two sealing mechanisms. Through the arrangement of these sealing mechanisms, when encountering a gourd-shaped borehole, the segmented arrangement of the first and second expansion capsules allows the external air supply end to inflate the first expansion capsule. With the cooperation of the connecting and limiting components, the first and second expansion capsules are positioned in the larger and smaller diameter areas of the gourd shape, respectively. This allows the first and second expansion capsules to expand to appropriate sizes after expansion, respectively, to cooperate with different areas during sealing. This avoids poor contact with the gourd-shaped borehole wall during sealing, increases the sealing contact area with the borehole wall, and ensures the sealing effect during grouting and sealing.

The utility model relates to metallurgical waste heat boiler technical field and disclose a kind of high-temperature ash slag removal and temporary storage device suitable for metallurgical waste heat boiler, it include: ash chute, the ash chute includes hopper body, several access doors and several spring supports, the access door is set in hopper body side wall;Floor ash bin, including ash bin body, steel flue interface and sealing door, the steel flue interface is set at the top of sealing door, the hopper body is connected with ash bin body by just flue interface, the sealing door is set in the side wall of ash bin body;Control assembly, it is jointly arranged in the inside of ash chute and floor ash bin.This scheme uses ash chute to collect high-temperature ash slag, enters floor ash bin by high-power electric hoist driving double flap valve control ash slag, realizes closed discharge, is linked and is controlled by flap valve and sealing door, effectively isolates high-temperature area before dust removal, guarantees operator and equipment safety, improves operating stability and environmental protection.

The utility model relates to the technical field of engine oil pan, especially a leakage-proof structure of in-line piston engine, an engine and an aircraft, including setting in the oil pan of engine crankcase body subassembly lower part, the oil pan forms a basin -like structure of one inner bottom surface basically level, the inner bottom surface of oil pan is concave downward and forms the oil storage groove that the structure is further outward protruding relative to the outer bottom surface of oil pan, the outer bottom surface of oil pan and the outside wall between oil storage groove smooth transition, the sealing edge contact surface of oil pan and engine crankcase body subassembly connection is wide side design, and is installed on the sealing edge contact surface with wide -side sealing pad, and the width of wide -side sealing pad is greater than the width of sealing edge contact surface, the utility model simplifies the structure, makes can adapt to the large inclination angle of aircraft ±45 DEG movement, greatly reduces the oil leakage risk simultaneously.

The utility model discloses a kind of dustproof water pumps of shell, comprising: pump shell, dustproof component;Pump shell includes the front shell and rear shell of its front and rear end.The utility model said a kind of dustproof water pumps of shell, the rear shell of pump shell rear end is equipped with sealing cylinder between rear shell and drive shaft, can pass its inside and outside multiple groups of first sealing ring and second sealing ring, multiple layers of sealing and the connection between rear shell and drive shaft, to improve the sealing property of rear shell rear end, simultaneously, inside and outside compression inside sealing pad and outer sealing pad between front shell and rear shell, double-layer sealing between the front shell and rear shell on pump shell can also be carried out, and then pass multiple sealing structures between pump shell shell and drive shaft, to effectively block dust from outside into pump shell, and the first sealing ring and second sealing ring of inside and outside of sealing cylinder between rear shell and drive shaft, and inside sealing pad and outer sealing pad between front shell and rear shell, can be conveniently disassembled and adjusted.

Polypropylene-based multilayer film, which is biaxially oriented, process for manufacturing biaxially oriented multilayer film and its use in flexible packaging.

This utility model discloses an easy-to-install plastic elbow, relating to the field of pipe connection technology. It includes an elbow body and a water pipe body. Limiting blocks are installed at both ends of the elbow body, and a sealing strip is fitted onto the outer wall of each limiting block. A positioning block is installed at one end of the sealing strip. The water pipe body is fitted onto the inner wall of the limiting block, and a connecting block is installed onto the outer wall of the water pipe body. A cavity is provided between the connecting block and the water pipe body, and the limiting block is fitted within the cavity. This utility model, through the setting of limiting blocks at both ends of the elbow body, and the sealing strip fitted onto the outer wall of the limiting block, effectively improves the stability and sealing of the connection between the elbow body and the water pipe body, increasing installation efficiency. The contact block effectively limits the position of the connecting block.

The utility model discloses an ammonium nitrate solution concentration blending reation kettle with anti -explosion function belongs to reation kettle equipment technical field, the utility model discloses a reation kettle body is communicated with the discharge valve at reation kettle body bottom, can carry out even heating to solution through the electric heating plate in the reation kettle body inner wall bottom groove, avoid local temperature too high and cause ammonium nitrate to decompose gas and cause explosion, the cooperation design of stirring rod and top motor can carry out sufficient stirring to ammonium nitrate solution in reation kettle, make solution concentration distribution even. The annular ring and the explosion -proof pipe fixedly connected with the annular ring that reation kettle body surface sets up up and down, effectively enhanced the overall structural strength of reation kettle, the gas outlet pipe of top annular ring and the gas inlet pipe of bottom annular ring mutually cooperate, and the outside cold gas enters the space between the explosion -proof pipe and reation kettle body, and then even cooling is carried out to reation kettle body, and then gas is discharged to the outside from the gas outlet pipe, and the device has the advantages that the explosion -proof effect is good.

The utility model relates to steel support technical field, and disclose a detachable combined steel support for tunnel construction, including support plate mechanism, still include: support mechanism and pressure regulating mechanism, the bottom of support plate mechanism and the top of pressure regulating mechanism swing joint, the bottom of pressure regulating mechanism and the top of support mechanism fixed connection, the utility model discloses through the support plate mechanism top close -fit in tunnel top, and make adjacent support plate main body splice together, place support mechanism in suitable position, and make splicing post align splicing seat, rotate threaded shaft and drive telescopic column along the inner wall of stand to move upwards through thread, make splicing post insert splicing seat inside, the top board is immobile, telescopic column continues to push base to move upwards, make pressure spring contract, and make pressure spring contract certain distance, produce constant pressure to the top board to the utility model discloses, thereby make support plate mechanism to the pressure of tunnel top in fixed value support, be favorable to the security of steel support.

The utility model provides a kind of buckle structure, including upper cover, lower shell and silica gel sleeve, lower shell is placed in silica gel sleeve, and annular sealing ring is set in the silica gel sleeve of lower shell upper end, and the lower end of upper cover is provided with elastic vertical beam along annular interval, and elastic vertical beam is placed in lower shell, and with the inside sealing of annular sealing ring, elastic vertical beam is spaced apart from the inner wall of lower shell, and the interval is stress release cavity, the outside of part elastic vertical beam is provided with clasp, and lower shell is provided with the clamping groove matched with clasp.The utility model is fast in assembly rate, not easy to loosen under vibration environment, easy to disassemble, and repeated disassembly is not easy to cause sealing surface wear.

This utility model relates to a reagent bottle, belonging to the technical field of laboratory equipment. The reagent bottle includes a bottle body, a connecting cap, and a Luer cap; the bottle mouth of the bottle body connects to the large opening of the connecting cap; a Luer connector is provided on the side of the connecting cap away from the bottle mouth, and the Luer connector connects to the Luer cap; a silicone gasket is provided between the bottle body and the connecting cap, and a polydimethylsiloxane coating is provided at the contact point between the bottle body and the silicone gasket. The connecting cap is used to close the large bottle mouth, the Luer cap is used to close the connecting cap, the bottle mouth is used to inject reagent into the bottle, the Luer connector is used to remove reagent to prevent waste during removal, and the polydimethylsiloxane coating is used to reduce reagent residue at the bottle mouth and on the bottle body; the entire assembly is connected by threads, and the triple-seal design achieves overall sealing of the reagent bottle.

A magnetic internal sealing device for a soft oxygen chamber is installed at the chamber door and chamber entrance. The chamber door seals the chamber entrance. The magnetic internal sealing device includes an inner sealing element and a sealing strip. The sealing strip includes a left magnetic strip and a right magnetic strip. The inner sealing element is a sealing magnetic strip, which includes a left magnetic strip and a right magnetic strip. The left magnetic strip is located on the side of the left magnetic strip away from the right magnetic strip, and the right magnetic strip is located on the side of the right magnetic strip away from the left magnetic strip. The left and right magnetic strips are respectively installed on the inner edge of the chamber entrance and the inner edge of the chamber door. When the left and right magnetic strips are magnetically attracted, the edges of the left and right magnetic strips are completely fitted together and sealed. This magnetic internal sealing device has the characteristics of high reliability, good sealing performance, wide applicability, and ease of use.

This application relates to the field of power equipment technology, specifically to an intelligent high-protection low-voltage control box, including a box body, an outer door panel, and an inner door panel. The box body has a door frame, the inner door panel is hinged to the inner side of the door frame, and the outer door panel is hinged to the outer side of the door frame. The outer door panel is provided with a door lock assembly to lock the outer door panel to the door frame. The inner side of the outer door panel has at least one ring of foam strip corresponding to the door frame for sealing the outer door panel and the box body. The door lock assembly passes through the outer door panel, and a sealing structure is provided between the two. The box body contains an intelligent monitoring and protection module for protecting and controlling power equipment. The box body is provided with a connector assembly for connecting and disconnecting cables. This application solves the problems of low protection level and poor sealing performance of existing intelligent low-voltage control boxes.

This utility model relates to the field of wood ear mushroom packaging technology and discloses a wood ear mushroom packaging vacuum coating machine, including a worktable, a vacuum chamber hinged to the top of the worktable, a connecting pipe connecting the worktable and the vacuum chamber, multiple material feeders rotatably arranged at the bottom of the vacuum chamber, and a spreading component movably arranged inside the worktable. The spreading component includes a placement platform, a moving shaft, and a lifting column. The lifting column is fixedly arranged at the bottom of the placement platform, and the moving shaft is rotatably arranged inside the worktable. The lifting column is sleeved on the moving shaft. The placement platform clamps the wood ear mushroom product through the four-sided abutment plates. The disc eccentrically arranged on the moving shaft pushes the lifting column, and the lifting column pushes the placement platform. The placement platform, through the up and down vibration of the vibration spring, drives the packaging to vibrate and spread the wood ear mushroom evenly, so that the wood ear mushroom particles are evenly distributed in the packaging, avoiding the particles from breaking the packaging and solving the problems of poor sealing and easy moisture oxidation caused by the gaps between particles.

The utility model belongs to electromechanical equipment technical field especially relates to a kind of electromechanical equipment surface polishing device, including polishing machine main body, the front end of polishing machine main body is fixedly installed with polishing head, dust hood is movably installed below the polishing head, the side surface of dust hood is equipped with air pipe for connecting fan, the inside of the polishing machine is equipped with buffer mechanism.The electromechanical equipment surface polishing device, dust removal mechanism is matched by fan, dust hood, rubber ring and spring one, adsorbs dust, enhances sealing, adapts to different surface, solves dust pollution and other problems;Buffer mechanism uses the floating design of spring two to unload force, reduces impact force, reduces polishing wheel wear, protects equipment, while the setting of ball in polishing machine reduces the friction between components, improves operating stability and smoothness while extending the service life of equipment.

The embodiment of the present application provides a sewage tank and a cleaning device, the sewage tank comprises a tank body and a solid-liquid separation piece, the tank body has an inlet channel, a negative pressure port, a first chamber and a second chamber, the inlet channel is used for conveying sewage to the first chamber under the action of a negative pressure source; the second chamber is communicated with the first chamber; the solid-liquid separation piece is installed in the first chamber, the solid-liquid separation piece is used for filtering solid sewage conveyed from the inlet channel into the first chamber, and liquid sewage is conveyed into the second chamber through a first communication channel. The sewage tank and the cleaning device provided by the embodiment of the present application, the ground brush is provided with the sewage tank, compared with the related art that the sewage tank is arranged on the machine body, the gravity center of the machine body can be reduced, and then the user can use conveniently. Then the loss of sewage and garbage in the transmission process can be reduced, the cleaning efficiency is improved, and it is ensured that the sewage on the surface to be cleaned can be rapidly and effectively collected.

The utility model relates to a kind of installation structure of special-shaped nozzle, including water pipe and nozzle, water pipe and nozzle are connected by installation component, installation component includes connecting piece, gasket, baffle, pressure piece;Connecting piece inside surface is provided with thread, its water pipe surface is provided with thread, water pipe and connecting piece constitute screw thread connection, and connecting piece surface is equipped with opening, its nozzle passes through opening, baffle is set on the nozzle surface, gasket is also placed in connecting piece inside surface, gasket and baffle contact, pressure piece is also placed in water pipe, and the upper end surface of the water pipe is contacted with the periphery lower end surface of pressure piece.The utility model solves the problem that the existing nozzle and water pipe connection exist water leakage, nozzle is damaged due to thermal expansion and contraction, nozzle is not easy to take out due to rust between thread.

This utility model discloses a video surveillance device with an infrared supplementary lighting module, relating to the technical field of video surveillance equipment. The utility model includes a housing assembly, the inner cavity of which is provided with a fixing component. The housing assembly includes a front shell and a rear shell. Receiving grooves are formed at each of the four corners of the surface of the rear shell. A threaded hole is formed at the bottom of the inner cavity of each receiving groove. Limiting grooves are formed on both sides of the inner cavity of each receiving groove, and mounting grooves are formed within the inner cavity of each limiting groove. This utility model, by designing the housing assembly as a separate structure of the front and rear shells and using the fixing component to achieve quick assembly and disassembly, solves the problem of damage caused by lens removal during maintenance of traditional integrated housings. When inspecting internal parts, only the bolts need to be unscrewed and the front and rear shells separated, without touching precision components such as lenses. This effectively protects optical components, extends the service life of the equipment, simplifies the maintenance process, and improves maintenance efficiency.

This utility model discloses a quick-sealing installation structure for a hydraulic cylinder used in a hydraulic press, including a cylinder body with a cavity for accommodating a piston rod, one end of which is open; a sealing assembly including at least one sealing ring surrounding the piston rod; and a mounting base fixedly disposed at the open end of the cylinder body, with a mounting groove for mounting the sealing assembly. This utility model relates to the technical field of sealing installation structures. This quick-sealing installation structure for a hydraulic cylinder used in a hydraulic press, through the synergistic action of a limiting component, allows for the positioning and fixing of the sealing component without complex tools. The cooperation between the positioning post and the positioning groove ensures accurate installation of the sealing component, and the snap-fit ​​structure between the limiting post and the limiting ring enables rapid locking, significantly shortening installation time, reducing operational difficulty, and improving assembly efficiency.

This utility model discloses a waterproof power adapter. The housing has an annular top step; the top step has an annular positioning groove, and the underside of the cover has an annular positioning ring wall that can fit into the positioning groove. The housing has an upward-extending annular surrounding wall outside the positioning groove. The annular surrounding wall, the top step, and the positioning ring wall form a sealing groove for injecting sealant. The housing has a connector for a power cord; the connector extends upward to connect to the sealing groove; the power cord's connector terminal can be inserted into the connector from above. This utility model, through the nested fit of the annular positioning groove and the positioning ring wall, combined with the innovative connection design between the sealing groove and the connector, achieves significant optimization in sealing performance, cost control, and assembly efficiency.

The application relates to the technical field of doors and windows, and discloses a narrow-edge casement window and a construction method thereof, which comprises a frame one, a middle frame one and a frame two, the frame one, the middle frame one and the frame two are all used for supporting the whole, a connecting block one is embedded in the frame one, an outer frame one is embedded on one side of the connecting block one, and the outer frame one is used for improving the appearance of the frame one; an outer frame three is arranged, a slot opening is arranged in the middle frame one, the outer frame three is arranged in the slot opening, and the outer frame three is used for supporting the whole; two glasses are fixedly connected with a mounting rack. Through the narrow-edge structure design, the area proportion of the frame and the sash is reduced, and the heat preservation performance is improved; the opening sash part and the fixed glass part are all provided with multiple seals, the opening sash is provided with three seals, the fixed glass is provided with two seals, the water resistance and the air tightness are improved, and when a mullion in the door and window is processed, a slot insertion type process is adopted, and a special connecting sleeve core is added, so that the resistance strength is greatly improved.

This utility model provides a cooling mechanism for lampshade blow molding production, belonging to the field of lampshade blow molding cooling technology. It includes a blow molding machine and a cooling assembly, which is located inside the blow molding machine. The cooling assembly includes a left mold located inside the blow molding machine, and a right mold located on one side of the left mold. Cooling water channels are provided on the inner sides of both the left and right molds. A sealing assembly is located inside the left mold and is used to prevent coolant leakage from the cooling water channels. The sealing assembly includes a sealing plate connected to the left mold, and the left mold is engaged with the right mold via the sealing plate. By setting up the cooling assembly, cooling water channels with identical structures are set inside the left and right molds. The two cooling water channels cooperate to surround the mold cavity, allowing the coolant to cool the mold cavity more evenly, which helps to improve the uniformity of lampshade cooling and thus improve the production quality of the lampshade.

A luggage with aluminum frame opening and closing structure, including first box shell, second box shell, aluminum frame assembly, aluminum frame assembly includes first aluminum frame, second aluminum frame, sealing strip and several fixed parts, sealing strip is installed in second aluminum frame, first aluminum frame includes first surrounding section, connecting section and first matching section, connecting section is connected with first surrounding section and first matching section along height direction two sides respectively, first matching section is equipped with the clamp; Second aluminum frame includes second surrounding section, second matching section, second matching section is equipped with matching groove and fixed groove, fixed groove extends from the end face of second matching section away from second surrounding section to the inside, fixed groove is arranged at the inside position of matching groove, sealing strip is clamped on the fixed groove of second aluminum groove, when the first box shell cover is arranged on the second box shell, the clamp of first aluminum frame extends into the sealing strip fixed on the fixed groove from the matching groove of second aluminum frame and is pressed tightly. The utility model improves the waterproof and dustproof performance of the luggage, and has strong practicality.

The application relates to airtight powder container, comprising an outer cover, an inner cover, an inner sieve and a base, the inner sieve is airtightly installed at the opening end of the base and is located between the inner cover and the base, the inner cover and the inner sieve are hinged through a hinge unit, the hinge unit is elastic so that the inner cover can move towards the inner sieve side when being forced, when the outer cover is covered on the base, the outer cover extrudes the inner cover so that the inner cover is tightly combined with the inner sieve. In the application, the inner cover and the inner sieve are hinged with each other, the inner cover and the inner sieve can be tightly combined together under the extrusion force of the outer cover, the airtightness of the inner sieve is guaranteed, and the volatile solvent in the cosmetic material in the base is effectively prevented from being volatilized.