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

Environmental-friendly dust suppressant and preparation method thereof

The invention relates to an environmental-friendly dust suppressant and a preparation method thereof, which are characterized in that the environmental-friendly dust suppressant comprises the following components in percentage by mass: 0.10 to 3.50 percent of polyvinyl alcohol, 0.05 to 1.50 percent of urea, 0.10 to 1.50 percent of propanetriol, 0.10 to 1.50 percent of glycol, 0.05 to 1.00 percentof surfactant and 91 to 96 percent of water. The environmental-friendly dust suppressant is prepared in the following steps that: preparation of solution A; preparation of solution B; the prepared A and B solution is mixed and stirred uniformly to obtain dust suppressant stock solution; and when in use, the stock solution is directly diluted by water by ration on demand. The invention is characterized by no toxin, no pollution, no corrosion, scientific and reasonable formula, simple preparation process, low cost, safety, environmental protection and energy saving, can form a continuous hard shell with a certain strength on a surface after being sprayed on the surface of material, and the dispersed material is sealed below the hard shell so as to have a dust-proof function and bring wide economic and social benefits.
Owner:刘步

Motorcycle and front fairing assembly thereof

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.
Owner:CHONGQING LONCIN MOTOR

Method for combining film switch and plastic base by intra-mode injection molding and its finished product

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.
Owner:昆山峰实电子外观应用科技有限公司

Production method of antifouling sofa fabric

The invention provides a production method of an antifouling sofa fabric, belonging to the technical field of home textiles. The production method comprises the following steps: (1) selecting raw materials and spinning; (2) performing anti-pollution finishing of yarns; (3) warping and sizing; (4) weaving: weaving an upper base cloth layer and a lower base cloth layer; (5) transferring and printing; (6) fixing color and finishing; (7) performing anti-pollution finishing; (8) conducting water repellent finishing; (9) adhering: coating adhesives on the upper side and the lower side of a sponge respectively, applying pressure to the upper base cloth layer, the sponge and the lower base cloth layer which are superposed vertically, so as to enable the three to be adhered as a whole; and (10) sewing. The yarns treated by a warping and sizing machine are high in sizing rate, and fewer in feathers, so that static electricity generated due to friction among yarns can be reduced, the static electricity of the fabric can be effectively reduced, and the woven fabric is difficult to generate static electricity, thus being relatively difficult to adsorb dust; and the sofa fabric produced by utilizing the method has multiple antifouling capabilities, and has obvious antifouling effect.
Owner:海宁宝祥布业有限公司

Agricultural cotton sun-curing platform with dustproof function

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.
Owner:黄春生

Operating table with built-in computer apparatus

A desk with a hidden computer system consisting of host, display screen and peripherals is composed of a desk body and at least one computer system. Said desk body features that its top board, side boards and legs have sandwich chambers for installing said modular computer system and connection cables in them.
Owner:曹静诚

Vertical type pop-up sound box

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.
Owner:LENOVO (BEIJING) CO LTD

Instrument panel with portable cleaning device

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.
Owner:CHENGDU DUOPULI ELECTRONICS TECH CO LTD

Iron plate type spanners

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.
Owner:胡厚飞

Portable waterproof shoe covers

The invention discloses a pair of portable waterproof shoe covers, in particular to a pair of portable waterproof shoe covers which effectively realize the waterproof function of shoes, can not only prevent rain, but also prevent accumulated water and trickling water or slime on a road surface and have a certain dustproof function, convenience, sanitation and practicability. Each portable waterproof shoe cover is characterized by being integrally in an elastic contraction sleeve shape, respectively provided with a sole opening and a heel opening and also provided with a sleeve opening on any end part, wherein the sleeve shape includes a straight leg shape or a stocking leg shape. The portable waterproof shoe cover is in elastic contraction during use so as to wrap the surface and the bottom of a shoe body, and the sole opening and the heel opening respectively correspond to the sole part and the heel part of the shoe, thus the portable waterproof shoe cover is convenient to put on and clings to the shoe and has the advantages of convenient and flexible use, small size, portability, convenient processing after used, certain dustproof effect, novel construction, simple and ingenious structure and easy implement.
Owner:李伟高

Frame earth stud of solar photovoltaic module capable of eliminating oxide layer

ActiveCN102157803AHigh mechanical strengthWith the function of self-lockingNutsCouplings bases/casesEngineeringContact position
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.
Owner:YINGLI ENERGY CHINA

MEMS microphone and electronic equipment applying same

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.
Owner:WEIFANG GOERTEK MICROELECTRONICS CO LTD

Magnetic fluid sealing structure for reciprocating motion

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.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Television cabinet with hidden audio-video function

The invention relates to a television cabinet with a hidden audio-video function. The television cabinet comprises a cabinet body, a projector box body and a loudspeaker box body, as well as a projector translation device used for axially translating the projector box body, a loudspeaker lifting device used for supporting and longitudinally moving the loudspeaker box body, and a control panel usedfor turning on or off the projector translation device and the loudspeaker lifting device, wherein the projector translation device and the loudspeaker lifting device are arranged on two sides of thecabinet body, the projector translation device is provided with the projector box body, the loudspeaker lifting device is provided with the loudspeaker box body, a fourth opening for containing the control panel is formed in the top surface of the cabinet body, first openings allowing sliding out of the loudspeaker box body are formed in two sides of the cabinet body, and a second opening allowing pushing out of the projector box body is formed in the side face of the cabinet body. According to the technical scheme, a user can turn on or off the television cabinet through one key by using thecontrol panel, the practicability is high, the operation is convenient, and the intelligent degree is high.
Owner:KUKA HOME

Mechatronic worktable with dustproof effect

The invention discloses a mechatronic worktable with a dustproof effect. The mechatronic workbench comprises a worktable supporting frame, a rotating rod, activated carbon adsorption devices and a pedal plate, wherein a panel is fixed at the upper end of the worktable supporting frame, and a worktable body is arranged at the upper end of the panel; an air purification device is arranged between the activated carbon adsorption devices, and a socket is arranged below the activated carbon adsorption devices; heat dissipation holes are formed in the back surface of the worktable body; and telescopic supporting feet are fixed at the lower end of the pedal plate, reinforcing ribs are arranged between the panel and the worktable body, and an illuminating lamp is arranged at the upper end of the interior of the worktable body. According to the mechatronic worktable with the dustproof effect, an electrostatic adsorption tube is arranged in the worktable body so that the dust inside the worktable body can be adsorbed, a dustproof cover is arranged in the worktable body so that the external dust can be prevented from entering the interior of the worktable body, and dust prevention of the worktable body is facilitated.
Owner:GUIZHOU UNIV

Computer case with line arrangement and storage functions

The invention discloses a computer case with line arrangement and storage functions. The case comprises a case body and a storage box which is arranged on the side surface of the case body, the storage box comprises a storage box body, a multi-hole cover plate and a sealing cover, and a vent hole is formed in the side surface, connected with the case body, in the storage box body; an exhaust fan is arranged in the vent hole, multiple line arrangement components are further arranged on the side surface, connected with the case body, in the storage box body, and the line arrangement components surround the exhaust fan. The computer case has the line arrangement and storage functions at the same time, the positions of the line arrangement components are adjusted according to the lengths of apower cord and a cable, the winding turn number is reduced, the power cord, the cable and the like can be stored, and interlacing and knotting among different lines are also reduced.
Owner:JINHUA MANGO INFORMATION TECH CO LTD

Size-adjustable battery placement box for battery car lithium battery

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.
Owner:湖南宝特瑞能新能源有限责任公司

Optical fiber adapter

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.
Owner:PROTAI PHOTONIC

Automatic-sprinkling dust collector for construction field

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.
Owner:STATE GRID CORP OF CHINA +2

Containing piece, pump head and pressure pump

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.
Owner:MICRO TECH (NANJING) CO LTD

Steel rail fat edge automatic grinding machine

PendingCN107217558ALarge swing angleImprove swing flexibilityRailway track constructionBall bearingGear wheel
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.
Owner:西藏天仁科技发展有限公司

Banburying mixer for producing PVC sheets through waste PVC

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.
Owner:HWASU

Rotatable jewelry stand

The invention discloses a rotatable jewelry stand. The rotatable jewelry stand comprises a frame, a rotating cavity is formed in the frame, a rotating block is rotatably arranged in the rotating cavity through a rotating shaft, a rotating device is arranged in the front side face of the rotating cavity, the front end of the rotating shaft is in power connection with the rotating device, four sets of supporting rods which are symmetric in the front-rear direction are fixedly arranged on the periphery of the rotating block in an evenly-distributed mode, connecting rods are fixedly arranged between the supporting rods, cylindrical rotary blocks are fixedly arranged on the connecting rods, four friction supporting blocks are fixedly arranged on the periphery of each rotary block in an evenly-distributed mode, and rotatable jewelry blocks are mounted on the rotary blocks in a sleeving mode. The rotatable jewelry stand is simple in structure and convenient to operate, jewelries are placed in the jewelry stand, the dust-proof effect is achieved, when the jewelries rotate to the fixing positions along with the jewelry blocks, illuminating lamps can illuminate the jewelries, enjoying and taking are convenient, in the rotating process of the jewelry blocks, the storing position of the jewelries is always kept to be upward, and stability is good.
Owner:泉州森泸玩具有限公司

Completely-closed three-layer arc-shaped air guide plate structure of wall-mounted air conditioner

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.
Owner:GUANGDONG CHIGO AIR CONDITIONING

Noiseless server and self-checking system thereof

The invention discloses a noiseless server and a self-checking system thereof. The noiseless server comprises a server rack; a fan box is mounted in the middle of the server rack, and condensing boxes are mounted at four corners of the fan box; and a condensation pipe is mounted in the condensation tank. According to the server, efficient heat dissipation can be conducted on the whole server, the heat dissipation efficiency is improved through the synergistic effect of air cooling and water cooling, and therefore the service life of the server is prolonged; and the server is protected through the protective cover, so that the sound insulation effect is achieved, and the dustproof effect is achieved. Therefore, the server is very simple and convenient to overhaul and maintain and high in flexibility, the protective cover can be directly stretched out, the overhaul and disassembly efficiency is improved, and a worker can conveniently carry out maintenance operation. The self-checking system of the server can remotely monitor the temperature, humidity and dust in the server in real time; moreover, the operation state of the server can be remotely watched through the client, thereby facilitating the regular inspection of a worker.
Owner:上海达亚网络信息科技有限公司

Compound moisturizing dust suppressant and production method

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.
Owner:WANBAO MINING

Novel handcart for construction

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.
Owner:JINLING INST OF TECH

Computer keyboard with dustproof effect

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.
Owner:王卓新

Printer ink cartridge capable of quickly adding ink

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.
Owner:北海市天硌打印耗材有限公司
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