10results about How to "Avoid pumping" patented technology

The application discloses a high-shock-resistance hair dryer and relates to the technical field of hair dryer equipment.The hair dryer comprises a main shell, an outer cover wrapped outside the main shell, a worm fan installed inside the main shell, a power supply seat arranged at the bottom end of a handle, a detachable power supply arranged below the power supply seat, a locking module installed on the power supply, an air outlet cover arranged at the front end of the main shell and extending to the outside of the main shell, a filter assembly arranged at the rear side inside the main shell, a rear cover installed at the rear end of the main shell and used for limiting the filter assembly inside the main shell. The cladding composite structure of the main shell and the outer cover can greatly reduce the vibration generated when the worm fan works, so that the whole hair dryer is more comfortable to hold for a long time when working, and the fatigue of long-time operation and use is avoided.

The utility model discloses a concrete manufacturing dust treatment device which comprises a dust collection main box and square-opening right-angle air inlet pipes, and the square-opening right-angle air inlet pipes are connected to the two sides of the dust collection main box. The front end and the rear end of the dust collection main box are connected with air collection covers, one end of each air collection cover is connected with an air collection pipe, one end of each air collection pipe is connected with a front air box, the bottom end of each front air box is connected with a centrifugal fan, and a spraying dust falling mechanism is arranged at the bottom end of the dust collection main box. The centrifugal fan is driven, the air collecting pipe, the air collecting cover, the dust collecting main box and the square-opening right-angle air inlet pipe are matched so that dust in the concrete manufacturing process can be sucked into the dust collecting main box, dust removal is achieved, the filter screen is installed in the air collecting cover, and the filter screen is covered with the nylon fiber synthetic resin film. And dust is prevented from being sucked into the centrifugal fan.

The vacuum water pumping and storing device comprises a first water tank and a second water tank which are communicated through a connecting water pipe, a vacuum pump is arranged at the top of the first water tank, the first water tank is communicated with a water suction pipe, and a floating ball control mechanism is arranged at the top of the first water tank; the floating ball control mechanism is used for controlling starting and stopping of the vacuum pump, and a drain valve is arranged on the bottom side of the second water tank. According to the vacuum water pumping and storing device, the first water tank is vacuumized through the vacuum pump, accumulated water in the cabin is pumped into the first water tank and the second water tank through the water suction pipe to be stored, the vacuum pump is isolated, blockage caused by impurities is avoided, and the service life of the vacuum pump is effectively prolonged.

This application provides a phase change thermal conductive material based on block copolymer, which, by weight percentage, comprises the following components: 1.5%-4.0% block copolymer polymer; 0.03%-0.10% antioxidant; 6%-12% nano-monocrystalline diamond powder; 20%-30% aluminum powder; 6%-10% monocrystalline silicon carbide; 8%-12% nano-zinc oxide; 0.01%-0.02% vulcanizing aid; 0.01%-0.02% high-temperature resistant surfactant; 0.15%-0.25% diluent; 0.10%-0.15% high-temperature resistant coupling agent; and 38%-52% high-boiling-point solvent. By modifying the polyolefin polymer through block grafting, the temperature resistance of the phase change thermal conductive material matrix resin is improved while maintaining the resin's thermoplastic properties, providing a more stable and reliable thermal conductive material for the heat dissipation design of large-scale server chips.

The utility model relates to the technical field of benzophenone detection and sampling, in particular to an automatic benzophenone quality detection and sampling device. An automatic benzophenone quality detection sampling device comprises a liquid pumping cylinder, a mounting rack, an electric push rod, a piston plate, a sampling pipe and a one-way valve, the left side of the liquid pumping cylinder is fixedly connected with the mounting rack, the top of the electric liquid pumping cylinder is fixedly connected with the electric push rod, an output shaft of the electric push rod is fixedly connected with the piston plate, and the piston plate is in sliding connection with the liquid pumping cylinder; a sampling pipe is fixedly connected to the left side of the lower part of the liquid pumping cylinder, a plurality of liquid inlets are formed in the sampling pipe, and a one-way valve is mounted on the right side of the sampling pipe. Through cooperation of the sampling pipe, the liquid pumping cylinder, the piston plate and the electric push rod, the sampling method does not need manual sampling of workers, automation is achieved, and the working efficiency of the workers is improved.

The utility model discloses a middle section openable sea surface floating object blocking device which comprises a connecting pipe and a plurality of buoys, the plurality of buoys are connected through the connecting pipe, an inner cavity of each buoy is provided with a mounting seat, the upper wall of each mounting seat is provided with a submersible pump machine, and the water inlet end of each submersible pump machine is provided with one end of a water inlet pipe; one end of the water inlet pipe penetrates through the lower wall of the buoy, the other end of the water inlet pipe penetrates through the lower wall of the buoy, the output end of the submersible pump machine is connected with the connecting pipe, the filtering mechanism is inserted into the water inlet pipe, and the filtering mechanism comprises an insertion ring, a filter screen, a rotating rod and paddles. The blocking device is arranged in the water inlet pipe, so that the blocking device can sink into seawater, a notch is formed in the blocking device, ships can walk together conveniently, meanwhile, a filtering mechanism is further arranged in the water inlet pipe, garbage or phytoplankton in the ocean is prevented from being pumped into the submersible pump, and the submersible pump is prevented from being damaged.

The utility model relates to a coke oven underground flue drainage structure, including underground flue, be located underground flue below's sump and be located water pump on the ground, underground flue inner bottom is inverted conical and its lowest place is communicated with sump top through downcomer, underground flue top of downcomer correspondence is equipped with hydraulic cylinder, hydraulic cylinder piston rod is downwards fixed link has inverted V baffle, baffle's front and back two sides butt on underground flue's front and back two sides inner wall, bottom can butt on underground flue's inner bottom of downcomer left and right two sides, sump's inner top is equipped with liquid level sensor, bottom is communicated with the drain pipe with solenoid valve, ground is equipped with control center and preprocessing mechanism, hydraulic cylinder, liquid level sensor, solenoid valve and water pump all are connected with control center electrically, preprocessing mechanism's water inlet end and drain pipe tail end communication, water outlet and water pump's water inlet communication, the utility model can shield downcomer and can carry out effective preprocessing to the condensate when draining, more practical.

The application discloses a kind of preparation devices of magnetic metal powder, including melting furnace, powder generation tank, powder collection tank, atomization furnace, vacuum pump, atomization medium delivery pipe;The atomization furnace is arranged in powder generation tank, and the top of powder generation tank is connected with the melting furnace, and the bottom of powder generation tank is connected with the powder collection tank;The melting furnace is used to melt magnetic metal material into magnetic liquid metal and inject magnetic liquid metal into the atomization furnace;The atomization medium delivery pipe is communicated with the atomization furnace, for injecting atomization medium into the atomization furnace;The powder collection tank is used to collect the magnetic metal powder output by the atomization furnace;The vacuum pump is communicated with the powder generation tank by pipeline, for extracting gas to balance the air pressure in the powder generation tank.The beneficial effects of the present application are to improve the efficiency of preparation.

The utility model belongs to the technical field of cosmetic containers, and particularly relates to a vacuum bottle with a switch lock, which is characterized in that a middle section piece is mounted at the upper end of a bottle body, a pressing head cap is arranged at the upper end of the middle section piece, a pump sleeve is arranged in an upper port of the bottle body, and a pump component is arranged in the pump sleeve and positioned below the pressing head cap; the pressing head cap is used for driving the pump assembly to move up and down in a reciprocating mode and pumping out fluid in the bottle body, a plurality of clamping columns are formed on the lower end face of the pressing head cap, an annular ring is rotatably arranged in the pump sleeve, a plurality of clamping blocks allowing the clamping columns to abut against are formed on the periphery of the annular ring, and an avoiding notch allowing the clamping columns to move is formed between every two adjacent clamping blocks. By means of the design of the annular ring, in the actual use process, the position of the pressing head cap can be limited by pushing the push button to rotate the annular ring, and therefore the situation that fluid in the bottle body is pumped out due to the fact that the head cap is accidentally touched in the carrying process is effectively prevented.

The utility model provides a multifunctional paint spraying atomization adjusting spray gun for building decoration, which relates to the field of paint spray guns and comprises a gun body, the front end of the gun body is connected with a spray head assembly, and the lower side of the gun body is connected with a liquid storage tank. The spray head assembly comprises an original spray head fixedly connected with the gun body and a second atomization spray head detachably connected with the original spray head, the outer end of the original spray head is connected with a rotating pipe, the outer end of the rotating pipe is connected with a transverse pipe, meanwhile, the outer wall of the transverse pipe is connected with a first atomization spray head, the liquid storage tank comprises a tank body, and a cover body is arranged at the upper end of the tank body; a liquid suction pipe is inserted into the tank body, meanwhile, a liquid extraction pump is arranged in the tank body, the liquid inlet end of the liquid extraction pump is connected with a liquid extraction pipe, and the lower end of the liquid extraction pipe is connected with a movable pipe through a spiral hose. According to the utility model, two kinds of nozzles can be replaced, so that the spraying efficiency is improved, the paint is saved, and meanwhile, the paint adding effect is more convenient.