21results about How to "Good sealing" patented technology

The present application belongs to the field of coal mine, and relates to a coal mine underground orifice blowout prevention dust isolation device, which comprises, in sequence, a stamping dust isolation assembly, a gasket eccentric isolation assembly, a columnar brush array isolation assembly and a slag collecting main body, the slag collecting main body is connected with an orifice sealing pipe in a hole, and a drill rod is arranged through the stamping dust isolation assembly, the gasket eccentric isolation assembly, the columnar brush array isolation assembly and the slag collecting main body. The present application realizes the blocking of dust in the hole through the brush dust blocking of the columnar brush array isolation assembly, the eccentric dust isolation of the eccentric isolation assembly and the stamping dust isolation of the stamping dust isolation assembly, realizes the linkage control of the mechanism on the sealing assembly, and the greater the gas pressure sprayed out of the hole, the better the sealing effect of the sealing assembly, so that the safety hidden danger problem of gas spray hole in the drilling process can be effectively solved.

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.

The utility model discloses an alkaline battery sealing device relates to battery production processing technical field, including sealing device ontology, and the workstation is provided with the fixed lower mould, and the fixed lower mould is installed with the elastic cover, and the workstation is installed with the supporting block, and the output of guide telescopic link is installed with the fixed plate, and the fixed plate is installed with the push rod, and the push rod is rotatably installed with the connecting rod, and the other end of connecting rod is rotatably installed with the rotating rod, and the rotating rod is installed with the gear ring, and the gear ring is installed with the gear and engages, and the workstation is rotatably installed with the pivot, and the gear is fixed and is connected on the pivot, and the L type piece is installed with the torsion spring, and the other end of torsion spring is installed on the ratchet pawl, and the pivot top is installed with the knob, and the knob is installed with a plurality of circumferential array's rotation block, the utility model discloses, can be sealed alkaline battery clamped fixed and adapt to different size's alkaline battery, and the ratchet pawl will be clamped in the gear gap of ratchet wheel, can hinder the clockwise rotation of ratchet wheel, and the sealing of alkaline battery is relatively stable.

The utility model relates to a movable superhigh partition system, including a horizontal hoist in the lower end of building ceiling's hanger rail piece and a plurality of rolling assembly in the trolley piece of hanger rail piece, the lower extreme of trolley piece has a first connecting portion extending to the outside of hanger rail piece, and the first connecting portion is installed with superhigh partition piece, the opposite sides of adjacent two superhigh partition pieces are equipped with the splicing structure of mutual occlusion, the superhigh partition piece is built -in the linkage support piece that can support synchronously to the lower end, to fix in the preset position with superhigh partition piece is sequentially assembled and constitutes the partition system after. The utility model whole partition's sealing performance and stable performance are good after installation, and can effectively improve the fireproof sound insulation performance of space.

The utility model discloses a heat-insulating energy-saving side-hung door and window capable of renovating and upgrading an old door and window, and relates to the field of old door and window renovating, the heat-insulating energy-saving side-hung door and window comprises an old door and window frame installed on a building, and a first heat-insulating frame and a second heat-insulating frame are correspondingly arranged on the two sides of the old door and window frame; the old door and window frame, the first heat insulation frame and the second heat insulation frame are each provided with a renovating mechanism, and each renovating mechanism comprises corresponding mounting holes formed in the peripheries of the old door and window frame, the first heat insulation frame and the second heat insulation frame. New glass is installed on the corresponding first heat insulation frame and the second heat insulation frame, then the first heat insulation frame and the second heat insulation frame are installed on the old frame through the first sealing gasket and the second sealing gasket, and the installation columns are installed, so that nuts can be rotated, and the heat insulation frames are installed on the old frame. Therefore, the first heat insulation frame and the second heat insulation frame can be mounted on the old frame, and renovating and upgrading operation can be performed on the old door and window, so that the convenience and the flexibility during renovating can be improved.

This invention provides a powder tanker unloading system, including a temporary storage tank. The upper part of the temporary storage tank is connected to a feed hose, and the upper end of the temporary storage tank is connected to a filter shell. The filter shell has an exhaust port connected outwards, and a dust filter element is installed inside the filter shell. The lower end of the temporary storage tank is connected downwards to a discharge pipe. A unloading section is located at the lower end of the powder tanker. A discharge pipe, detachably connected to the free end of the feed hose, is located at the bottom of the unloading section. An air injection pipe is arranged around the unloading section. The discharge pipe has a strip-shaped feed inlet extending along its length within the unloading section. Multiple high-pressure air blowing pipes, extending into the unloading section and facing the strip-shaped feed inlet, are arranged inwards from the air injection pipe. The free end of each high-pressure air blowing pipe is open and inclined towards the sealing plug. This invention utilizes high-speed airflow to propel the powder quickly unloading, eliminating the need to maintain a high-pressure environment inside the tank, resulting in lower unloading energy consumption and greater safety.

The utility model discloses a kind of automatic liquid fertilizer packaging devices, which belongs to liquid fertilizer production technical field.It mainly includes base, base includes side frame one, side frame one side is sequentially fixedly connected with middle rack, side frame two, middle rack one side is fixedly connected with side frame three, side frame three one side is equipped with bunker, middle rack is equipped with circular groove, shaft is rotatably connected in circular groove middle, gear one is fixedly connected on the upper portion of shaft, away from the rectangular groove edge of side frame three one side fixedly connected with rotating shaft hole, third driving device is rotatably connected on rotating shaft hole, third driving device extending end is fixedly connected with gear two, two half-barrel devices are rotatably connected in circular groove inside.The utility model can continuously fill liquid by the cooperation of storage rack and suction cup device one and suction cup device two, and after filling, it can be transferred by rotating half-barrel device and sealed by sealing machine.

This invention discloses a composite coating for concrete structures, comprising a sealing primer, an intermediate coat, and a topcoat. The sealing primer is a polyurea coating with modified concrete added, the amount of modified concrete being 3%–6% of the coating weight, and the thickness of the sealing primer being 20–100 μm. The intermediate coat is a polyurethane coating with steel powder added, the amount of steel powder being 3%–6% of the coating weight, and the thickness of the intermediate coat being 80–200 μm. The topcoat is an epoxy resin coating with molybdenum disulfide powder added, the amount of molybdenum disulfide powder being 1%–4% of the coating weight, and the thickness of the topcoat being 50–100 μm. The sealing primer of this composite coating fills concrete pores and cracks, improving structural density and providing a good foundation for subsequent coatings. The intermediate coat enhances overall strength and impact resistance, while the topcoat provides excellent anti-friction properties and chemical stability, blocking external erosion. The synergistic effect of these three components significantly extends the service life of concrete structures in harsh environments.

The utility model relates to outer wall hole hole plugging technical field, and disclose a kind of outer wall wall pipe plugging structure, including sleeve, plugging mechanism and wall pipe, the sleeve is fixedly connected on building outer wall and will outer wall be penetrated, the wall pipe is sleeved in the inside of sleeve, the plugging mechanism is arranged in the both ends of sleeve to close the gap between sleeve and wall pipe, the inner wall of sleeve is equipped with detachable rubber ring, the utility model provides a kind of outer wall wall pipe plugging structure, the cooperation setting of sleeve and wall pipe is in, sleeve can be pre-buried in wall body before construction, so that subsequent wall pipe is arranged in sleeve, reduce subsequent construction time on wall body, by the plugging mechanism being arranged between sleeve and wall pipe, the gap between sleeve and wall pipe can be filled, prevent dust, rain, biology etc. from the gap into house.

This utility model discloses a dual-servo gear metering dispensing valve, which relates to the field of dispensing machine technology. The dual-servo gear metering dispensing valve includes a back plate, on the left side of which a dispensing mechanism is located: a drive assembly, located on the left side of the back plate, providing power to a conveying assembly; a conveying assembly, located below the drive assembly, for conveying the adhesive; and a partition assembly, including a base plate fixedly installed at the bottom of the back plate. A valve body is fixedly installed on the left side of the base plate. Pressure sensors monitor the adhesive pressure at the front of the "L"-shaped pipe below the valve body and at the inlet of the gear metering pump. The monitoring data from the pressure sensor visually displays the pressure of the adhesive inside the conveying pipe. A pressure threshold is set using a microcontroller, PLC controller, or other control equipment, and compared with the monitoring data from the pressure sensor. Dispensing operation is stopped promptly when the pressure exceeds the threshold to prevent uncontrolled overflow of the adhesive due to excessive pressure.

This invention discloses a planetary cylinder cleaning machine, aiming to solve the shortcomings of existing cylinder cleaning machines, such as complex nozzle structure, weak water flow impact, and poor cleaning effect. The invention includes a lifting mechanism, a planetary mechanism, a cleaning mechanism, and a recovery mechanism. The planetary mechanism includes a sun gear, a sun shaft, planetary gears, and a planet carrier. The planetary mechanism is mounted on a fixed frame. The lifting mechanism can independently lift the fixed frame and the cylinder head via guide rods. The sun gear is fixedly connected to the fixed frame, and the sun shaft is fixedly connected to the planet carrier. The planetary gears mesh with the sun gear and the planet carrier. The rotation of the sun shaft drives the rotation and revolution of the planetary gears. The planetary shafts of the planetary gears are fixedly connected to planetary disks. The cleaning mechanism and the recovery mechanism are located at both ends of the planetary disks. Through the planetary mechanism, a smaller number of nozzles can cover the entire cylinder head, and fewer nozzles provide stronger impact force, resulting in better cleaning.

This utility model relates to the technical field of packaging equipment, and in particular to a bag-filling device for packaging bags. It not only facilitates cushioning the depth of workers' footsteps, preventing damage to the equipment and packaging bags from excessive force, but also facilitates pushing out other packaging bags together after the first bag is filled, preventing scratches to workers' hands. The device includes a support mechanism, a pressing mechanism, a stepping mechanism, a cushioning mechanism, and a warning mechanism. The pressing mechanism is installed on the support mechanism and works with it to press the packaging bags firmly. The stepping mechanism is installed on the pressing mechanism and drives it downwards. The cushioning mechanism is installed on the support mechanism to prevent excessive stepping. The warning mechanism is installed on the cushioning mechanism to remind workers to step into the correct position.

This invention belongs to the field of surgical instrument technology and discloses a disposable sterile specimen retrieval bag with spill prevention, comprising a cannula, a push rod, and a specimen bag. The push rod is slidably connected inside the cannula, and the specimen bag is connected to one end of the push rod. The specimen bag includes a support strap with several ratchet teeth on one side. One end of the support strap is connected to a buckle, and the buckle has protrusions that match the ratchet teeth. The other end of the support strap passes through the buckle. The support strap and the buckle form an elastic annular support ring. A hollow sleeve is fitted onto the annular support ring, with one end connected to the end of the support strap and the other end connected to the buckle. The hollow sleeve is connected to the retrieval bag body. This invention solves the technical problems of existing specimen bags having limited options for aperture specifications, being easily damaged, and having a semi-closed opening that hinders the smooth placement of specimens.

The utility model discloses a power plant energy -saving type cyclone, including cyclone main part, the left side intercommunication of cyclone main part has the inlet pipe, and the right side intercommunication has the overflow pipe, the bottom of cyclone main part is provided with the underflow port. The utility model discloses through the first pivot and the second pivot staggered distribution's rubbing rod in the processing box, under the driving of drive motor, can carry out rubbing to the larger particle in the material of entering the processing box, avoids the larger particle to cause the jam after entering cyclone main part, has guaranteed the normal operation of cyclone, has improved separation efficiency, has reduced the energy that stops and clears up because of jamming and consumes, has reached the purpose that saves energy, the setting of vibrating sieve plate can carry out the preliminary screening to material, and the larger particle will be intercepted on the sieve plate, and along the sieve plate from the discharge slot of inclination is discharged, and the larger particle is conveniently handled or recycled, and the processing effect of material is further improved.

The utility model discloses a fixed pollution source waste gas sampling port sealing device, including waste gas sampling gun, the fixed connection of the outer wall of the sampling pipe department of waste gas sampling gun has the threaded sleeve pole, the outer wall of threaded sleeve pole has seted up the thread, the outer wall threaded connection of threaded sleeve pole has the threaded sleeve piece, and the one side of inflatable ring is attached with the annular protruding department of threaded sleeve piece, the other side of inflatable ring is provided with the trachea, and the inner bag of trachea and inflatable ring are linked together. The device is applied to the sampling link of waste gas sampling gun, when the barrel department of waste gas sampling gun is inserted into the fixed pollution source pipeline, through the trachea of inflatable equipment connection inflatable ring one end, the input air of it makes it expand, seals the pipeline mouth, avoids the outside air and will flow into the pipeline through the gap reversely, improves the sealing effect is strong, avoids and will cause the discharge concentration calculation because of oxygen content conversion error, makes the actual emission of pollutant be underestimated, ensures the real and reliable of waste gas sampling data.

This utility model discloses a universal multi-source heterogeneous data acquisition terminal, including a main unit upper shell. Connecting wires are inserted into the inner wall of the wire clamp, and these connecting wires are inserted into a first interface, a second interface, and a third interface. A support block is protruding and fixedly connected to the rear edge of the flip base. A grip groove is formed on the rear edge of the main unit lower shell, and a handle is fixedly connected to the inner wall of the grip groove. This universal multi-source heterogeneous data acquisition terminal can be cushioned and protected by a protective pad, and can achieve efficient sealing, waterproofing, and insulation through sealing gaskets and sealing grooves. It also features efficient water repellency through the operating screen, stable operation, and more efficient heat dissipation through heat dissipation holes and fins. Furthermore, it integrates multiple interfaces through the first, second, and third interfaces, and the wire clamps secure the wires, preventing bending and loosening. The closed cover can be opened and closed independently, providing excellent sealing and greater convenience.

The utility model relates to bagging technology field especially is concerned about a kind of bagging device for fruit bagging, including handle, handle is equipped in the bottom of extension bar, extension bar top installs bagging mechanism, and bag claw A and bag claw B in bagging mechanism are used to paper bag bagging into fruit and the paper bag mouth is tightly bound operation, the device simple structure, easy operation, low in cost, and with market paper bag height matching, for the design of existing paper bag mouth, good compatibility, greatly extremely high user bagging convenience and efficiency.

The utility model relates to the technical field of water interception ditch, concretely to a water interception ditch with water and dirt separation structure, it is a water interception ditch with water and dirt separation structure, purpose solves the traditional water interception ditch usually only has single drainage function, the leaves and other sundries carried by rainwater are directly drained into natural water body, not only easy to cause the drainage pipeline of water interception ditch to be blocked, still can cause the problem of surrounding environment pollution, therefore enhanced the use efficiency and effect of water interception ditch, including water interception ditch body and apron, the water interception ditch body sets up as the recess shape, the apron sets up at the top of water interception ditch body, the water interception ditch body is by concrete pouring and is formed, the water interception ditch body is provided with separation mechanism, the separation mechanism still includes separation board and support plate, the apron top end is provided with multiple groups of drain holes, the separation board periphery inner wall is provided with multiple groups of separation through -hole, water interception ditch body inner wall left and right ends fixed mounting has support plate.

This invention relates to a battery sealing cap assembly and its preparation method, characterized in that: (1) glass mixture a and mixture b are melted in a high-temperature furnace to obtain glass liquid a and glass liquid b respectively; (2) glass liquid a and glass liquid b are quenched in water, dried, ground, and sieved to obtain powder a and powder b respectively; (3) powder a and powder b are mixed with water, binder and coupling agent respectively to form a slurry, granulated into balls, and sieved to obtain glass powder a and glass powder b; (4) glass powder a and glass powder b are shaped to obtain green blank a and green blank b, and after complete glue removal at room temperature to 300°C, the temperature is raised to 370 to 500°C and kept warm to form sealing glass blank I and sealing glass blank II; (5) the metal aluminum shell to be sealed, copper core column and sealing glass blank I and sealing glass blank II are assembled together to form a component to be sealed, and sealed at 490 to 540°C and annealed. Advantages of this invention: The sealing glass prepared has a coefficient of thermal expansion > 160 × 10⁻⁶ at 300°C. ‑7 / ℃, water resistance rating of level 3 or above, sealing temperature <550℃.

The application discloses a high-strength composite fiber plugging system which is composed of flexible fiber, rigid fiber, suspended viscosity increasing agent, fiber dispersing agent and water. The application also discloses a preparation method of the high-strength composite fiber plugging system, and the steps are as follows: (1) adding formula amount of water into a container, then adding formula amount of flexible fiber, formula amount of rigid fiber and formula amount of fiber dispersing agent into the container in sequence, and mixing uniformly to obtain a mixed solution; (2) stirring the mixed solution obtained in the step (1) at a certain stirring speed, slowly adding formula amount of suspended viscosity increasing agent into the container while stirring, and then stirring uniformly. The application has the advantages of uniform dispersion time less than 120 minutes, viscosity less than 350 mPa·s, suspension stability time more than 1 day, plugging pressure gradient more than 10 MPa / m, plugging rate more than 95%, and thermal stability time of the system at 130 DEG C more than 6 months.