46results about How to "To achieve the effect of dust" patented technology

The invention provides a waterproof coating. The waterproof coating comprises a film forming agent, a hydrophobic agent, hydrophobic nano-silica and hydrophobic paraffin. The waterproof coating is a colorless and transparent coating substance having a waterproof function, and can be directly coated on the circuit board or shell of a mobile phone to realize waterproof and dustproof effects. A preparation technology of the waterproof coating is simple and can be simply operated, so the production cost of the mobile phone is reduced. The coating is directly coated on the circuit board, so the obtained coat has an excellent waterproof performance, thereby there is no need to change the original structure design of the mobile phone.

The invention discloses a laser cutter for tempered glass, which comprises a frame, an outer box is fixedly installed on the other side of the top of the frame, a connecting plate is fixedly installed inside the outer box, and one side of the inner wall of the outer box is fixed A blower is installed, a chute is opened inside the connecting plate, a first spring is fixedly installed on one side of the inner wall of the chute, a slider is fixedly connected to one end of the first spring, and a first connecting rod is welded on one side of the slider. One end of the first connecting rod is hinged with a second connecting rod through a first rotating shaft, and one side of the inner cavity of the outer box is hinged with a side plate through a second rotating shaft. The laser cutter for tempered glass, by setting the blower to suck the dust into the inside of the dust removal box, purifies the air environment in the factory and reduces the risk of dust inhalation by the staff. Under the elasticity of the first spring, the first The connecting rod cooperates with the second connecting rod so that the side plate can be opened automatically, thereby facilitating the maintenance and replacement of the dust removal box.

The invention provides a loudspeaker box dust screen cleaning device capable of combining inertial dust collection with airflow lotion dust collection, and relates to the field of loudspeaker box cleaning equipment. The loudspeaker box dust screen cleaning device capable of combining inertial dust collection with airflow lotion dust collection comprises a supporting fixed housing, wherein the sidewall of the supporting fixed housing is spliced with a holding internal hollow fixing barrel; the side wall of the holding internal hollow fixing barrel is spliced with a lateral grip; the top of theinner wall of the supporting fixed housing is spliced with a dust-proof moisture-proof protecting case; the top of the supporting fixed housing is provided with a floating dust cleaning and removal mechanism. According to the loudspeaker box dust screen cleaning device capable of combining inertial dust collection with airflow lotion dust collection, one end of a rotary sliding rod is controlledby a driving motor to slide in a concave sliding ring to enable the rotary sliding rod to incline to one side of a jacking spring; after sliding, an overturning linkage rod is jacked under the elasticfunction of the jacking spring to drive a round knocking ball on the end part of the overturning linkage rod to knock the loudspeaker box dust screen, dust is separated from the dust screen due to the influence of inertia, and the dust removal efficiency of the loudspeaker box dust screen is effectively improved.

The invention relates to a single-carrier-roller belt type conveyer, which is widely used for various large-tonnage over-long-distance granular, flaky and powdery materials with the horizontal or inclined angle smaller than 15 degrees in ports, wharfs, silos and the like. The single-carrier-roller belt type conveyer comprises a head section, a middle section, a material feeding section, a transition section, a tensioning section and a tail section. The invention is characterized in that a cover case of the tail section is in a circular structure, a tail roller is arranged in the tail section, fan blade dustpan type material returning devices are arranged at both sides of the tail roller, the left upper side of the inside of the tail section is provided with a tail roller material baffle plate, the tail roller adopts a wheel spoke type structure, and the upper part of the tail section is provided with a tail section fast opening door. Compared with the prior art, the invention has the advantages that the tail part adopts the sealing type self-cleaning type material returning devices, a tail wheel adopts the wheel spoke type structure, the flowability of materials on a conveying belt can be improved, the materials are prevented from generating resistance force between the conveying belt and the tail roller, and the problem of material accumulation at the tail part is fundamentally solved for reaching the effect of the full-process dust sealing of equipment.

The multifunctional chemically bactericidal mask includes a mask, an outer box and bactericidal devices. The mask connected to the outer box has air inlet and air outlets, the V-shaped outer box has air inlets, circular tank holding toxin filtering material and with air outlet connected to the inlet of the mask and air inlets; and the bactericidal devices are set separately inside two installation holes in the outer box. There is ventilating cavity formed between these two installation holes and the inner wall of the outer box. The present invention has integrated functions of preventing germ infection, eliminating toxin, blocking dust, etc.

The invention discloses a waterproof and dustproof electric control box cooling structure, which belongs to the technical field of automobile electric control. The waterproof and dustproof electric control box cooling structure comprises a box cover and a box bottom, wherein the box cover and the box bottom are matched; the box cover covers the box bottom; the surface where the box cover and the box bottom are matched is provided with a boss; the matching surface of the box bottom is provided with a sealing groove; the bottom part of the sealing groove is provided with a discharge port; the boss has an inverted trapezoidal section; a sealing ring is arranged between the top surface of the boss and the bottom surface of the sealing groove; the inner side of the sealing ring is provided with an exhaust groove; the top surface of the box bottom is provided with a groove; the groove and the lower matching surface of the box cover surround a cooling hole; and the cooling hole is communicated with the exhaust groove and the discharge port. Through arranging the cooling hole at the inner side of the box bottom, the outlet end of the cooling hole faces an inclined surface, heat is guided, hot air flow is exhausted more easily from the cooling hole and then exhausted outside the box body via the exhaust groove of the sealing ring and the discharge port, and better cooling effects are realized.

The invention provides a fan with dustproof and thermal discharge functions and a motor thereof. The motor comprises a shell that is provided with a closed space and composed of a heat conduction material, a stator fixed in the shell, and a rotor, which is provided with a rotating shaft and arranged through the stator and one end of which projects out of the closed space to be connected with an impeller, wherein, the stator and the rotor are contained in the closed space.

The invention relates to a photomask storage device and a method for keeping a photomask clean and dry. The photomask storage device capable of being filled with gas is used for storing at least one photomask, and the photomask is provided with a pattern surface; the pattern surface is provided with a protection piece; the storage device comprises a first cover body, a second cover body, at leastone fixing piece, at least one gas inlet port and at least one gas outlet port, wherein the second cover body is used for combining with the first cover body to form an inner space for accommodating the photomask, and the second cover body is provided with a central part; the at least one fixing piece is arranged on the second cover body and is used for supporting and positioning the photomask; the at least one gas inlet port is arranged on the second cover body and is arranged outside a projection area of the photomask; and the at least one gas outlet port is arranged on the other side of thesecond cover body which takes the central part as a center and is opposite to the inlet gas port. The gas entering from the gas inlet port passes through upper and lower surfaces of the photomask andtakes away moisture which is positioned on the photomask and is absorbed on the surface of the protection piece so as to reduce the humidity in the photomask storage device quickly.

The invention discloses a motor nanometer fabric dustproof cover which comprises a dustproof cover body, a left zipper, a right zipper, a bottom zipper and a lifting handle. The dustproof cover body is made of nanometer fabrics which are formed by nanofibers. The zippers enable the dustproof cover to be conveniently dismantled. Through the mode, the motor nanometer fabric dustproof cover can achieve effects of water resistance and dust resistance, and thus further protects a motor.

The invention discloses a safe tool and apparatus cabinet. A cabinet body is in shaft connection to a cabinet door through a movable shaft, a door seal and a door handle are arranged on the cabinet door, hangers are arranged at the top end of the inner side of the cabinet body, a rubber magnetic stripe is arranged in front of the cabinet body, rollers are arranged at the bottom end of the cabinet body, a steel wire gauze is arranged at the upper end of a ventilator, a display screen is arranged on the right side of the cabinet body, a central control unit which controls the display screen is arranged at the bottom in the cabinet body, and a humidity sensor, a humidity control unit, a dehumidifier and the ventilator are arranged at the bottom in the cabinet body, and the humidity sensor, the humidity control unit, the dehumidifier and the ventilator are connected to the central control unit. The safe tool and apparatus cabinet disclosed by the invention provides a small environment which is relatively stable in humidity and in which the safe tool and apparatus cabinet is convenient to take so as to achieve the dampproof, damage-preventing and dustproof effects of an insulating tool, thereby guaranteeing the using safety of production personnel.

The invention relates to an automatic sprayer, in particular to an automatic sprayer for disinfecting paper for public life. The technical problem to be solved is to provide the automatic sprayer for disinfecting the paper for public life, which has a better dustproof effect and can be used for placing a deodorant. According to the technical scheme, the automatic sprayer comprises a shell and a first rotating shaft, wherein the first rotating shaft is rotationally arranged in the middle of the interior of the shell; roll papers arranged on the first rotating shaft in a sliding manner; and a placing frames are symmetrically arranged on the upper side in the shell. A cover plate and a rotating rod rotate clockwise, a torsional spring deforms, after the cover plate rotates to be closed, a clamping block is loosened, the clamping block and a check block are driven to move rightwards under the action of a second spring, the cover plate is clamped by the clamping block, the dustproof effect is achieved, and roll paper is prevented from being contaminated by dust.

The invention discloses a dustproof net for a case. The dustproof net comprises a first net body and a second net body, wherein the first net body and the second net body are connected in a sliding way to adjust overlap area between the first net body and the second net body, and a positioning piece is arranged between the first net body and the second net body and is used for positioning the first net body and the second net body. By sliding matching of the first net body and the second net body and positioning of the positioning piece, the size of the dustproof net can be flexibly adjusted by simple operation, the dustproof net can be applied to different types of cases after the size is adjusted, a dustproof effect can be achieved after the dustproof net is arranged in a case panel, andthe applicability can be improved. Moreover, the invention also discloses the cast comprising the dustproof net, and the applicability of the dustproof net is relatively good.

The invention provides a gas engine set comprising a rack, and a generator, an engine and an electric box which are arranged on the rack, wherein an operation controller for manual operation, a switch and a fuel gas controller are arranged above the engine; the engine is sequentially provided with a gas inlet pipe, a gas stop valve, a filter, a pressure test meter, a gasifying device, an executing device, a limiting valve, a mixer, a pressurizing device, an intercooler, an integrator, a high-pressure bag, an anti-exploding device and a smoke discharging pipe; the remote anti-exploding device comprises an anti-exploding device main body and a gas pipe; one end of the gas pipe is connected with the anti-exploding device main body and the other end of the gas pipe is connected with a cylinder; the mixer comprises a mixer main body and an adjusting knob; the adjusting knob is arranged at the front end of the mixer main body and comprises a butterfly valve arranged in the mixer main body and a knob connected with the butterfly valve; and the limiting valve comprises a limiting valve main body and a pressure meter arranged on the limiting valve main body. The gas engine set has the advantages of convenience for use, insufficient combustion and energy conservation.

The invention discloses a rolling bearing, and particularly relates to the field of bearings. The rolling bearing comprises a bearing frame body mechanism for a lubrication degree experiment, detachable dust-proof assemblies are inserted into the two sides of the outer wall of the bearing frame body mechanism for the lubrication degree experiment, and an adjustable lubrication damping simulation mechanism is fixedly installed outside the bearing frame body mechanism for the lubrication degree experiment; and the adjustable lubrication damping simulation mechanism comprises a second reserved type movable empty groove, and the second reserved type movable empty groove is formed in the bearing frame body mechanism for the lubrication degree experiment. By arranging the adjustable lubrication damping simulation mechanism, the supporting type bearing air pressure cavity is pushed to extrude the outer walls of rolling type collision beads, resistance of different degrees is generated on the rolling type collision beads, the lubrication degree adjustment effect is achieved, and the convenience and controllability of local adjustment of the lubrication degree are relatively improved.

The invention discloses a dust-proof shutter for a photovoltaic power station box body, and the shutter comprises a photovoltaic power station box, one side of the photovoltaic power station box is fixedly connected with an installation plate, the interior of the installation plate is fixedly connected with a first sand-proof net, and one side of the first sand-proof net is fixedly connected witha shutter installation frame. And a louver inclined plate is fixedly connected to the interior of the louver mounting frame. According to the dust-proof shutter for the photovoltaic power station boxbody, the mounting plate, the first sand-proof net, the shutter inclined plate, the sand leaking groove and the second sand-proof net are matched to work, and the sand leaking groove is formed in theinner bottom wall of the mounting plate, so that rainwater or fine sand entering from the second sand-proof net falls under gravity and continues to fall out of the station box; and a shutter is arranged in the second sand prevention net, and a first sand prevention net is arranged in the shutter for dual filtration, so that more sand and dust are isolated from rainwater, and the effect of dust isolation of the photovoltaic power station box body is achieved.

The invention discloses a belt buckle connector for a mask and a head band. The belt buckle connector comprises a belt buckle plug and a belt buckle socket, the plug with the buckle is provided with a base and a protective cover, two sides of the base respectively extend to form an elastic arm, the front end of each elastic arm is provided with a clamping hook, and the protective cover is arranged on the base; the socket with the buckle is provided with a plug hole, and the socket with the buckle is integrally formed on a mask; a transverse plate of the protective cover shields the upper surface of the clamping hook, a pair of longitudinal sheets of the protective cover shields the outer side surface of the clamping hook, and the elastic arms are exposed out of the longitudinal sheets; when the plug with the buckle is combined with the socket with the buckle, the clamping hook is fixed to the plug hole, and the transverse plate and the longitudinal sheet are located on the outer side of the socket with the buckle. When the elastic arm is pressed, the clamping hook can be separated from the plug hole.

The invention relates to a waterproof coating. The waterproof coating comprises, by weight, 40-50% of a film forming agent, 0.1-1% of water-based amino resin, 0.1-3% of hydrophobic nano-silica, 0.1-3%of modified diatomite, 0.1-3% of polycaprolactone and 40-60% of a lotus leaf hydrophobic agent. The waterproof coating is a colorless and transparent coating substance with a waterproof function, andcan be directly applied to a mobile phone circuit board or a mobile phone shell to achieve waterproof and dustproof effects.

The invention relates to a coat hanger which comprises a base, a main rod, a plurality of hanging rods and a dustproof cover. The lower end of the main rod is connected with the base, the upper end ofthe main rod is connected with the dustproof cover, the hanging rods are arranged on the main rod, a sliding rail is arranged on the annular edge of the lower end of the dustproof cover, a pluralityof sliding blocks are arranged on the sliding rail, a dustproof curtain is further arranged, and the upper end of the dustproof curtain is connected with the sliding block. According to the coat hanger, dust prevention can be effectively conducted on hung clothes, and dismounting is convenient.