232results about How to "With dustproof effect" patented technology

The invention discloses a motorcycle and a front fairing assembly thereof. The front fairing assembly of the motorcycle comprises a cover body, a headlamp assembly, steering lamps, an instrument assembly and a back plate, wherein the back plate comprises a back plate body which is used for covering a front fork of the motorcycle and can be detachably connected with the front fork and a bent part which is formed by bending the upper end of the back plate forwards, the cover body is positioned at the front part of the back plate body and respectively and fixedly connected with the back plate body and the bent part in a detachable way, the headlamp assembly is fixedly connected to the front end of the cover body in a detachable way, the steering lamps are fixedly connected to the left side and the right side of the cover body in a detachable way, and the instrument assembly is fixedly connected to the bent part in a detachable way. The front fairing assembly disclosed by the invention dispenses with a metal support in the prior art, which is beneficial to reducing the installation weight of the head part and the installation space, and further is beneficial to arrangement of all parts and circuits, and the firmness and stability of all the installed parts can be ensured; in addition, the assembling and disassembling processes are simplified, the cost is saved, all the parts and circuits are convenient and simple to arrange, and the head part of the motorcycle has attractive appearance.

The invention provides a method for combination with a membrane switch and a plastic base by mold injection molding. The membrane switch is put into the injection molding module for processing mold injection molding, and two manufacture procedures can be finished in a time that molding the plastic base and assembling with the plastic base and the membrane switch, complicated procedures such as packaging, conveying and reassemblying that generated by separation manufacturing of the membrane switch and the plastic base can be reduced, and a membrane switch device product with integrated, waterproof, dustproof functions can be obtained.

The invention discloses an agricultural cotton sun-curing platform with a dustproof function. The agricultural cotton sun-curing platform comprises a base, stand columns, a supporting plate and a carrying platform. One end of the base is provided with rolling wheels. One end of each rolling wheel is provided with reset springs. Telescopic frames are arranged between the reset springs. A clamping block is fixedly mounted at one end of each telescopic frame. One end of an air blower is sleeved with an air outlet pipe. One side of the carrying platform is sleeved with a glass cover. One end of the glass cover is provided with a plastic molding spring. A clamping ring is perpendicularly arranged on one side of the corresponding telescopic springs. The end, far away from the corresponding telescopic spring, of each clamping spring penetrates into one side of a clamping groove. The agricultural cotton sun-curing platform with the dustproof function is provided with the air blower, the air outlet pipe and an air outlet and produces wind through the air blower. The wind is blown into the device from the air outlet through the air outlet pipe. Through the arrangement, the agricultural cotton sun-curing platform can turn over cotton on time, so that the cotton is air-cured more uniformly, and the using efficiency of the device is improved, and the cotton is air-cured more effectively.

A voice box which can be shot out in vertical type includes a main body of voice box, a motion guiding integrated in one body with the main body and its one side face with locking parts and adjacent side face to it with sliding pin; a motion rail with chassis and spring being set in it, a motion mechanism support being connected in fixture with chassis and its middle part set with support rib which has locking piece at middle part to form locking mechanism together with above-mentioned locking parts. It also includes a housing with its edge being set with sliding guide rod and a pair of ledgeset in opporsite and its end part being set in fixture with pin shaft which is inserted in shaft hole on the side face of motion mechanism frame as well as convex block fabricated on the middle of sliding guide rod with its tail end being prepared to become smooth and round surface.

The invention discloses an instrument panel with a portable cleaning device. The instrument panel comprises a display screen. The display screen is covered by a protective shell. A protective cover is fixed on the display screen. The protective cover is fixed to the protective shell through fixing plates. The fixing plates are connected with the two ends, with reference to an electric vehicle, of the protective cover. Sliding grooves are formed in the fixing plates. A window wiper is arranged on one side face of the protective cover, and is located on the protective cover. Sliding rods are arranged at the front and rear ends of the window wiper and matched with the sliding grooves to slide. Pull rods are fixed to the sliding rods. The pull rods penetrate through the protective shell and are located on the outer wall opposite to the position of the window wiper. The instrument panel with the portable cleaning device is simple in structure and low in cost, and can be kept clean.

The invention relates to an iron plate type wrench, comprising a body which is punched and formed directly by an iron plate; an upper press sheet and a lower press sheet which are respectively pressed and arranged at two sides of the body and which are respectively provided with a hole and a fixing hole which are respectively corresponding to a containing hole and a fixing hole in the body; a driving part with a flange at one end and a buckling slot at the other end, and the driving parts sequentially penetrate the hole in the upper press sheet, the containing hole in the body and the hole in the lower press sheet, the flange is blocked and arranged on the upper press sheet, and a fastener is buckled and arranged in the buckling slot to ensure that the driving part is combined with the body and the two press sheets, thus avoiding the shedding; a ratchet block which is arranged in the containing hole in the body; a fixing part which penetrate the fixing holes of the body and the two press sheets. The wrench of the invention has the advantages of reducing the processing cost of the wrench, having a longer griping part and being capable of bearing relatively large driving force as the thickness of the lower press sheet is more than that of the upper press sheet.

The invention discloses a frame earth stud of a solar photovoltaic module capable of eliminating an oxide layer, comprising a stud bolt, a screw nut and a scraping piece, wherein the stud bolt comprises a stud bolt head and a screw; the cylinder of the screw is provided with at least one groove which extends along an axial direction of the screw; the screw nut is in bolted connection with one end, far away from the stud bolt head, of the screw; the scraping piece is sleeved on the screw and arranged between the stud bolt head and the screw nut; a contact surface of the scraping piece and the screw is provided with a lug which is matched with the groove on the stud bolt; and one face facing to the screw nut, of the scraping piece is provided with at least one protruding edge strip. The scraping piece which can realize synchronous rotation with the stud bolt is added at the other side of a frame opposite to the screw nut, so that the oxide layer or a coating is eliminated at a contact position of the frame, thus earth wires electrically contact with a metal frame preferably by the scraping pieces, thereby obtaining lower contact resistance and simplifying operations of installing the earth wires.

The invention discloses an MEMS microphone and electronic equipment applying the same. The MEMS microphone comprises an external packaging structure and an MEMS chip arranged in the external packagingstructure; the external packaging structure comprises a sound inlet for external sound waves to be input; an inlet layer, a buffer layer and a barrier layer which are sequentially stacked are arranged in a position, provided with the sound inlet, of the external packaging structure; a sound-transmitting hole is formed in the buffer layer; a first sound inlet structure penetrating through the inlet layer is arranged on the surface, facing the sound-transmitting hole, of the inlet layer; a second sound inlet structure penetrating through the barrier layer is arranged on the surface, facing thesound-transmitting hole, of the barrier layer; the first sound inlet structure extends in a first direction along the surface of the inlet layer; the second sound inlet structure extends in a second direction along the surface of the barrier layer; projection of the first sound inlet structure on the barrier layer and the second sound inlet structure are arranged in a crossed mode; the first soundinlet structure communicates with the outside; and the second sound inlet structure communicates with the MEMS chip. According to the technical scheme, a vibrating diaphragm of the MEMS chip can be prevented from being damaged due to over-large external air flow.

The invention discloses a magnetic fluid sealing structure for the reciprocating motion. The magnetic fluid sealing structure comprises a hollow shell, a reciprocating shaft arranged in an inner cavity of the shell and at least one permanent magnet. Pole shoes are arranged on the two sides of each permanent magnet. At least one groove is formed around the inner circle face of each pole shoe, and aY-shaped sealing ring is arranged in each groove. Pole teeth are arranged on the inner circle faces of the pole shoes, gaps exist between the pole teeth and the outer surface of the reciprocating shaft, and magnetic fluid is injected into the gap positions. Through combined usage of the magnetic fluid and the Y-shaped sealing rings, a sealing structure excellent in pressure resisting performanceand sealing performance is formed. Accordingly, due to the fact that the magnetic fluid seal has a dustproof function, pollution to the Y-shaped sealing rings from outside impurities is reduced, purity of sealed media is improved, the service life of the sealing ring is prolonged to the maximum degree, and the requirements for zero leakage and long service life are met.

The invention relates to the technical field of lithium batteries, in particular to a size-adjustable battery placement box for a battery car lithium battery, the size-adjustable battery placement boxcomprises a device main body, the device main body comprises a placement box main body, a lithium battery main body is placed in the placement box main body, and clamping assemblies are mounted on both sides of the placement box main body; each clamping assembly comprises a third mounting block, one side of each third mounting block is fixedly connected with one side of the placement box main body, a transverse screw rod is mounted on one side of each third mounting block in a threaded mode, and a clamping plate is fixedly mounted at one end of each transverse screw rod. By arranging the clamping assembly, the clamping plate tightly presses the edge side of the lithium battery main body to prevent the lithium battery main body from laterally sliding, the clamping plate can clamp the lithium battery main bodies with different sizes through the transverse screw rod, and the stability of the lithium battery main body is improved, so that the problem that when an existing placement box main body is used for storing small lithium battery main bodies, the lithium battery main bodies move or collide inside is solved.\And the lithium battery main body moves or collides inside.

An optical fiber adapter of the present invention comprises a main body, two first hooks, a first light blocking member, a second light shielding member and an inner case. The first hooks are respectively extended by the second and fourth walls of the body. The first light blocking member is disposed in the body from the first opening of the body, and the first light shielding member includes a first base portion, a first light shielding portion, and a first connection portion. The first base portion is provided on the first wall of the body, and the first connection portion is connected to the first light shielding portion and the first base portion. The second light-blocking member is disposed in the body from the first opening of the body, and the second light-blocking member includes a second base portion, a second light-shielding portion, and a second connection portion. The second base portion is provided on the third wall of the body, and the second connection portion is connected to the second light shielding portion and the second base portion. The inner housing is placed in the body from the first opening of the body.

The invention relates to an automatic-sprinkling dust collector for a construction field and belongs to the technical field of the dust collector for the construction field. The automatic-sprinkling dust collector for the construction field comprises a water tank, a plurality of spray nozzles communicated with the water tank, dust sensors and an automatic control device, wherein the spray nozzlesare uniformly distributed on the periphery of the water tank and comprise upper spray nozzles and lower spray nozzles by height; the automatic control device is fixed on the side surface of the watertank and covered with a watertight case. The dust collector is equipped with the plurality of spray nozzles controlled by the automatic control device, the dust sensors are utilized to monitor dust data, so that automation degree of the dust collector is increased, and dust removing effect and dust removing efficiency of the dust collector are improved. The automatic-sprinkling dust collector is simple in structure, low in manufacturing and using cost, good in dust removing effect, high in automation degree and high in working efficiency, the spray nozzles are arranged reasonably, water resource can be saved, and the automatic-sprinkling dust collector has good comprehensive use property.

The embodiment of the invention provides a containing piece, a pump head and a pressure pump, and relates to the field of medical instruments. The problems that in an existing infusion pressure pump,dust easily enters a pump body, and a telescopic rod stretches out and draws back to injure people are solved. The containing piece is used for being connected to the exterior of a pump body, the pumpbody is provided with a containing cavity used for containing a piston rod, the containing piece is provided with a sliding channel used for being communicated with the containing cavity, and the sliding channel is used for enabling the free end, stretching out of the pump body, of the piston rod to stretch in. The pump head comprises the pump body and the containing piece. The pressure pump comprises the pump head. The containing piece is connected to the outer portion of the pump body, the sliding channel in the containing piece is communicated with the containing cavity, the free end, stretching out of the containing cavity, of the piston rod stretches into the containing cavity, in the reciprocating movement process of the piston rod, the containing piece has the dustproof effect on the free end of the piston rod, and external dust is prevented from being brought into the pump body in the stretching and retracting process of the free end of the piston rod. And meanwhile, the containing piece further has a protection effect on the free end of the piston rod, and personal injury to people in the telescopic process is avoided.

The invention discloses a steel rail fat edge automatic grinding machine, and belongs to the field of railway maintenance equipment. The automatic grinding machine comprises a machine frame, and is characterized by further comprising an up-down moving device, a traveling device and a horizontal feeding device; the up-down moving device comprises a hanging bracket, ball bearing seats, ball screws and ball nuts; a stepping motor and upper and lower sliding blocks are arranged on the machine frame; the traveling device comprises a driving gear, a driven gear, a traveling wheel, a roller and a motor; the horizontal feeding device comprises a grinding wheel, a gear acceleration box, a movable platform, a horizontal sliding block, a driving mechanism, a pulse motor and a ball screw pair; an output shaft of the gear acceleration box is connected with the grinding wheel, and an input shaft is connected with the driving mechanism. The grinding machine can be used for simultaneously grinding a steel rail fat edge in the transverse direction and in the longitudinal direction, different feeding amounts can be selected according to the steel rail fat edges with different thicknesses, and one-time grinding is achieved; the grinding wheel can move up and down to grind the steel rail fat edge at any position in the height direction, and the overall grinding effect of the steel rail fat edge is good.

The invention discloses a banburying mixer for producing PVC sheets through waste PVC. The banburying mixer comprises a base, a banburying chamber, a first protection hood and a second protection hood, wherein a material collecting chamber is formed in one side in the base, and a water collecting chamber is also formed in the base; sewage holes which communicate with the water collecting chamber are formed in the top plate of the base; the banburying chamber is formed above the base, and communicates with the material collecting chamber; a through hole is horizontally formed in one side wall of the banburying chamber, and an end plate is movably arranged on the other opposite inner wall of the banburying chamber; a sealing plate is movably arranged in the through hole; two rotors are symmetrically arranged on the inner side of the sealing plate; the tail ends of the two rotors are movably connected with the end plate; one side adjacent to the through hole in the banburying chamber, ofthe first protection hood is arranged on the top surface of the base; a driving mechanism for driving the rotors to rotate is arranged in the first protection hood; and a sliding mechanism for drawingthe rotors out is arranged in the first protection hood. Through the adoption of the banburying mixer disclosed by the invention, the rotors are convenient to clean in an omnidirectional manner, andthe cleaning effect is good; and cleaning is performed in a closed environment, so that the situation that impurities cannot enter the inner part of the equipment is guaranteed.

The invention discloses a completely-closed three-layer arc-shaped air guide plate structure of a wall-mounted air conditioner. The completely-closed three-layer arc-shaped air guide plate structure comprises an air guide plate injection-molding part, a heat insulating part and an aluminum alloy sheet which are arc-shaped structures, wherein the aluminum alloy sheet covers the inner side surface of the air guide plate injection-molding part to prevent the air guide plate injection-molding part from being deformed; the heat insulating part is arranged on a sandwich layer between the air guide plate injection-molding part and the aluminum alloy sheet; the two sides of the air guide plate injection-molding part are separately connected with supporting end plates which are in transition with the arc surface of the aluminum alloy sheet;, so that structural strength of the curved-surface end of the air guide plate is strengthened; transmission curved bars are further arranged at the two sides of the air guide plate injection-molding part; the transmission curved bars are connected with a transmission device which drives the air guide plate to integrally retract to reduce a seam between the air guide plate and the air outlet main body. According to the completely-closed three-layer arc-shaped air guide plate structure disclosed by the invention, the aluminum alloy sheet is additionally arranged on the air guide plate injection-molding part to strengthen the integral strength of the air guide plate, so that the air guide plate is effectively prevented from being deformed; and meanwhile, the integral appearance effect of the air guide plate is improved, so that the air guide plate structure has dustproof action.

The invention relates to a compound moisturizing dust suppressant and a production method. The moisturizing dust suppressant comprises the following components in percentage by weight: 0.5-0.6% of a coagulation moisturizer, 5-10% of a moisture absorbent, 0.2-0.3% of a surfactant and the balance water; and the coagulation moisturizer is a sodium carboxymethylcellulose-grafted acrylamide polymer, the surfactant is fatty alcohol-polyoxyethylene ether, and the moisture absorbent is sodium silicate. The compound moisturizing dust suppressant has a suppressing effect on flying dust generated in an operation process of a surface mine, working environments of electric precise instruments and workers are improved, environmental pollution is reduced, and the compound moisturizing dust suppressant islow in cost, convenient to produce and low in corrosivity, and has a good dust suppressing effect.

The invention discloses a novel handcart for construction. The novel handcart comprises a frame body, a bucket, fixing pieces, wheels, a wheel bracket and a handle, wherein the bucket is fixedly arranged in the frame body by the plurality of fixing pieces; the bucket is provided with a push-pull type dustproof cover which can cover the bucket; the wheels are arranged under the front end of the bucket by the wheel bracket; the handle is arranged at the rear end of the frame body and is internally provided with a cavity body for containing gloves; and the cavity body can be closed by a handle cover arranged at the end part of the handle. The novel handcart disclosed by the invention has the advantages that the pollution of dust to the environment can be prevented, the safety of operators can be protected, convenience is brought for use at night or under a darker environment, and the use requirements of people are met.

The present invention discloses a computer keyboard with a dustproof effect. The computer keyboard comprises a shell, an extrusion mechanism is fixedly connected to the top of the shell through bolts,a key mechanism is movably connected to the top of the extrusion mechanism, and the bottom end of the extrusion mechanism penetrates through the top face and the bottom face of the shell and extendsto the position below the extrusion mechanism. The invention relates to the field of man-machine interaction equipment. According to the computer keyboard with the dustproof effect, the keycaps are pressed down to extrude the expansion pieces, the air blowing effect of the expansion piece is realized, air is blown to the inner side of the keycap through the air blowing valve part, dust on the inner side of the keycap is blown, the surface of the keyboard is cleaned while the keyboard is used, dust accumulation is avoided, the expansion piece is matched with the upper drainage sleeve, an upwardair blowing effect can be formed on the peripheral side of the keycap while the key is pressed, dust shaken off in the pressing process is prevented from falling onto the surface of the keyboard, andthe dustproof effect of the keyboard is enhanced. Therefore, the problem that the dustproof and dedusting effects of the computer keyboard are not ideal is solved.

The invention discloses a printer ink cartridge capable of quickly adding ink. The printer ink cartridge comprises an ink cartridge body which is provided with an ink inlet device and an ink outlet. The ink inlet device comprises an ink inlet body which is a liquid receiving barrel with upper and lower openings; a first buffer tank which is arranged above the upper opening of the ink inlet body, wherein the diameter of the first buffer tank is less than the diameter of the ink inlet body, the bottom of the first buffer tank is provided with an opening, the top of the first buffer tank is provided with three openings, the left and right inner walls of the first buffer tank cavity are provided with multiple filter baffles which are vertically and obliquely staggered and laminated; and a second buffer tank which is inserted in the top opening of the first buffer tank and is funnel-shaped, wherein three filter layers are arranged in the cavity of the upper part of the funnel neck of the second buffer tank, shunt pipes are arranged on the side of the thin tubular part of the funnel nozzle of the second buffer tank, and the shunt pipes of the two sides are inserted in the top openings ofthe first buffer pipe. The printer ink cartridge has the advantages of quick ink injection without easily plugging the ink inlet.

The invention discloses an automobile lamp device, and relates to the field of automobile parts. An automobile body is involved, a first support and a second support are vertically arranged on the automobile body, a lighting device is arranged between the first support and the second support and comprises a fixing plate, a first connecting shaft, a second connecting shaft and a lighting lamp, and a first gear is arranged at the end of the second connecting shaft; the second support is provided with an adjusting device, the adjusting device comprises a hand wheel, a third connecting shaft and a second gear, one end of the third connecting shaft is connected with the second gear, the other end of the third connecting shaft is connected with the hand wheel, and the second gear is meshed with the first gear; a lampshade is arranged on the fixing plate and provided with multiple heat dissipating holes, and a transparent safety shield is arranged between the first support and the second support and provided with a heat dissipater on the inner wall. By means of the design, the automobile lamp device is simple and reasonable in structure, the light irradiation direction is convenient to adjust, safety of the lampshade is improved, and the heat dissipating effect is good.