62results about How to "Dustproof" patented technology

The invention mainly relates to a multifunctional self-service pavement and change service terminal, which comprises a cabinet. A front-side monitoring camera is arranged right above the cabinet; a coin monitoring camera is arranged at the right upper part of the cabinet; a touch screen and a display are arranged below the front-side monitoring camera; a second-generation identification card reader, a bill printer and a metal password keyboard are respectively arranged below the touch screen and the display; an IC (Integrated Circuit) card retaining and reading device, a bar code scanning head and a multifunctional note device are arranged on the right of the touch screen and the display; a charge outlet and a bill printer paper outlet are arranged on a front door of the cabinet; a password safety box is arranged at the lower middle position inside the cabinet; a note outlet module, a coin outlet module and the multifunctional note device are arranged inside the password safety box; and an industrial personal computer is arranged at the lower part inside the cabinet. The multifunctional self-service pavement and change service terminal can be used for implementing recharge and payment of cashes, China Union Pay Cards and IC cards, has a coin/note charge function, has wide application range and is suitable to popularize and apply.

The invention relates to the technical field of solid waste disposal, and specifically discloses a floor garbage disposal device. The device comprises a silo, putting surrounding grooves, soft boards, a control module, and a first trigger module. The silo is provided with a garbage inlet. The putting surrounding groove comprises a bottom board, a side plate, a push plate, and an electric push rod. The bottom board is fixed on the outer wall of the silo. The inner wall surface of the bottom board is flushed with the edge of the garbage inlet. The side plate surrounds the garbage inlet. The push plate and the garbage inlet are arranged oppositely. The shape of the push plate is matched with the shape of the cross section of the garbage inlet. The push plate is slidably installed on the bottom board. A putting space is between the push plate and the garbage inlet. The electric push rod is electrically connected with the control module. The soft board is used to seal the garbage inlet. When the first trigger module is triggered, the control module controls the electric push rod to push the push plate to the garbage inlet and reset. Through arranging the putting surrounding grooves on the garbage inlets, accuracy of putting of solid wastes is improved, so as to prevent the solid wastes from being put out of the silo when the solid wastes are put in.

The invention discloses a PVC co-extrusion exterior wall cladding and a preparation method thereof. The PVC co-extrusion exterior wall cladding comprises a PVC foaming layer, wherein the PVC foaming layer comprises the following components in parts by weight: 30-40 parts of PVC resin, 23.5-33.5 parts of modified montmorillonite, 15-23 parts of modified magnesium-aluminum hydrotalcite, 30-40 partsof calcium carbonate, 1.4-1.8 parts of a compound stabilizer, 1.5-1.9 parts of a plasticizer, 1.5-1.9 parts of a foaming regulator, 0.3-0.7 part of a coupling agent, 0.25 to 0.45 part of a foaming agent, 0.3 to 0.7 part of stearic acid, 0.2 to 0.4 part of polyethylene wax and 0.1 to 0.3 part of paraffin; the composite stabilizer comprises the following components: lead sulfate tribasic, methyltinmercaptide, phosphite ester, rare earth malate and an arylamine antioxidant. The PVC co-extrusion exterior wall cladding has the advantages of good thermal stability, adsorption and degradation of automobile exhaust, sound absorption and noise reduction, antistatic and dust adsorption.

The invention discloses an easy-to-use crushing robot for garbage recovery, which comprises a crushing equipment body, and two symmetrical first bearings are fixedly connected to the upper part of the inner wall of the crushing equipment body. The easy-to-use crushing equipment for garbage recycling can drive the first rotating shaft and the second rotating shaft to rotate synchronously, thereby driving the first crushing cutterhead and the second crushing cutterhead to rotate synchronously, and can evenly crush the garbage , the crushing of garbage is more fine and thorough, the support plate and the filter screen can move up and down, and the crushed objects on the filter screen can be reasonably screened, which ensures the fine crushing of the garbage, and can buffer the impact of the crushed objects. With a certain dust reduction effect, it can effectively buffer and guide the crushed materials, ensuring the normal use of the crushing equipment, and can effectively seal the crushing equipment body, has a certain dustproof performance, and is more convenient to use.

The invention discloses a DC switch of a motor. The DC switch comprises a pedestal and a cover plate, a circuit board is mounted on the cover plate, a moving contact assembly and a static contact assembly cooperated with the moving contact assembly are mounted on the pedestal, a push rod is mounted on the pedestal, the push rod drives the moving contact assembly to move so that the moving contact assembly is connected with or disconnected from the static contact assembly, a resistance adjusting spring is mounted on the push rod, a resistance adjusting connecting finger is arranged on the circuit board, an electronic commutation mechanism is arranged on the pedestal and comprises a slide block, the slide block is mounted on the pedestal in a sliding manner, a commutation spring is fixed to the slide block, the circuit board is provided with a commutation connecting finger which makes contact with the commutating spring, a commutation handle is rotationally mounted on the pedestal, a driving slide block is in transmission connection between the commutation handle and the slide block and slides in a repeated manner, and a locating mechanism which locates the commutation handle is arranged on the pedestal. According to the DC switch, the electronic commutation mechanism is simple in structure, operation is reliable, commutation is rapid and accurate and assembling is simple.

The invention relates to the technical field of screens, in particular to an outdoor shockproof LED display screen. The display screen comprises a frame, a base and a sunshade. A battery is arranged at the bottom of the base, a spring is arranged inside the base, and the frame is arranged on the top of the base. The frame and the base are fixedly connected by a support column, the support column and the spring are fixedly connected by a solid block, the bottom of the frame is provided with a ventilation window, and one side of the inner wall of the frame close to the ventilation window is provided with a dustproof net. The dustproof net and the frame are fixedly connected by a movable fixed seat, and the frame is internally provided with an LED display screen. The LED display screen and the frame are fixedly connected by a support frame, and the base surface of the LED display screen is provided with a tempered film. An exhaust fan is disposed on the back of the frame, and a motor boxis disposed on one side of the inner wall of the frame adjacent to the exhaust fan. The motor box is internally provided with a motor, and the motor and the exhaust fan are rotatably connected by a rotating shaft. The LED display screen is simple in structure, dustproof and shockproof and has a certain promotion effect.

The invention relates to a vehicular steering wheel pad switch which comprises a left casing assembly (2-1), a right silica gel pad (2-2), a right base part (2-3), a left base part (2-4), a left silica gel pad (2-5), a jacket (2-6), a right casing assembly (2-7) and a horn wiring harness (2-8), wherein the vehicular steering wheel pad switch is divided into a left part and a right part which are respectively fixed on a steering wheel; the left base assembly (2-4) is arranged in the left casing assembly (2-1); the left silica gel pad (2-5) is arranged between the left casing assembly (2-1) andthe left base part (2-4); the right base part (2-3) is arranged in the right casing assembly (2-7); the right silica gel pad (2-2) is arranged between the right casing assembly (2-7) and the right base part (2-3); the switch is connected through the jacket (2-6); and one end of the horn wiring harness (2-8) is arranged in the jacket (2-6). The invention has the advantages of reasonable design, convenience and quickness.

The invention provides a method for continuously forming a thin film type keyboard group unit. The thin film type keyboard group unit is formed by binding an upper layer thin film and a lower layer thin film. The method comprises the following steps: firstly, performing pattern printing on a second surface of an entire roll of an upper thin film band by using a printing means; and secondly, quickly forming keystroke convex parts and convex points on the second surfaces of the entire roll of the upper thin film band and an entire roll of a lower layer thin film body respectively after curing anultraviolet cured resin by using a rolling means and an ultraviolet irradiation means so as to form the upper layer thin film and the lower layer thin film, and form the thin film type keyboard groupunit with patterns after binding the upper layer thin film and the lower layer thin film. Thus, the method for continuously forming the thin film type keyboard group unit has the advantages of low cost, high efficiency and high production precision.

The invention discloses a drum brake with a noise reduction function in the technical field of drum brakes. The drum brake comprises a drum brake body, a brake wheel cylinder and a brake bottom plate. Friction plates are symmetrically arranged on the left side and the right side of an inner cavity of the drum brake body, arc-shaped friction blocks are evenly and fixedly arranged on the opposite sides of the two sets of friction plates at equal intervals, brake shoes are arranged on the opposite sides of the friction blocks on the left side and the right side in an attached manner, silencing holes are evenly formed in the opposite sides of the two sets of friction plates, and the silencing holes communicate with sound wave dissipation cavities. According to the drum brake, the silencing holes, the sound wave dissipation cavities and noise reduction pieces are arranged, sound waves enter the sound wave dissipation cavities through the silencing holes, the sound waves are absorbed through cooperation with sound absorption cushion layers, dispersing and relieving are achieved through sound elimination cotton layers, meanwhile, sound insulation cushion layers reduce sound wave transmission, the noise reduction performance of the drum brake body is greatly improved, the noise influence is greatly reduced, and the comfortable use quality is guaranteed.

The invention discloses a servo-type reverse-pulling pre-stress detector, and the detector comprises an oil tank, a displacement sensor, a centre hole jack, a control box, a combined valve body, a motor, and an intelligent terminal. The motor serves as a servo motor and a servo driver. The intelligent terminal and an industrial level wireless router integrated with a control circuit in the control box form a wireless local network. A pressure transmitter and the displacement sensor respectively transmit a pressure signal and a displacement signal to the control box, and an Ethernet communication module in the control box transmits the signals to the router. The signals are transmitted to the intelligent terminal through the router, and an instruction signal for hydraulic control is transmitted to the router in a wireless manner after processing. The instruction signal is transmitted to the Ethernet communication module in the control box through the router, and then is transmitted to the servo driver after processing, so as to control the servo motor to operate and to carry out hydraulic lifting and descending for pre-stress detection. The detector employs a servo motor, so the system can guarantee the detection precision, is good in adaptability, improves the detection efficiency, and prolongs the service life. Wireless communication is employed between the intelligent terminal and the control box, so the detector is good in operation flexibility.

The invention discloses an optical darkroom assembly comprising an optical darkroom, a dustproof insect-proof net and an optical smoke sensor. The optical darkroom comprises a bottom plate, and the optical smoke sensor, shading air guide gratings, a shading grating and a light blocking wall are installed on the bottom plate. The shading air guide gratings are evenly and rotationally arrayed aroundthe bottom plate with the axis of the bottom plate as the center, the shading air guide gratings comprise the first shading air guide grating and the second shading air guide grating which are the same in structure, and the first shading air guide grating and the second shading air guide grating are matched with each other to form an air guide channel. The first shading air guide grating is composed of a first shading plate and a second shading plate, and the first shading plate and the second shading plate are connected to form a herringbone grating. The optical darkroom assembly is good insmoke response consistency and high in dustproof and anti-interference capacity.

The invention provides a high-frequency synchronous rectification switching power supply, including a case, a first rectification module, a second rectification module, a chopping module, a transformer, a first polar plate, a second polar plate, a first heat dissipation channel and a second heat dissipation channel, wherein the transformer is installed between the first heat dissipation channel and the second heat dissipation channel. According to the high-frequency synchronous rectification switching power supply, the transformer is arranged between the first heat dissipation channel and the second heat dissipation channel, and other components that need heat dissipation are arranged between the first heat dissipation channel and the second heat dissipation channel, and/or between the first heat dissipation channel and the case, and/or between the second heat dissipation channel and the case, so that two ends of the transformer with relatively high heat productivity can dissipate heat, thereby improving heat dissipation efficiency of the transformer, heat dissipation in the case is uniform, and a local high-temperature area is not easy to occur.

The invention discloses a control cabinet base. The control cabinet base comprises front bracing channel steel and rear bracing channel steel which are oppositely arranged, left bracing channel steel and right bracing channel steel which are oppositely arranged, cover plates and plug plates, wherein the front bracing channel steel and rear bracing channel steel, as well as the left bracing channel steel and right bracing channel steel are fixedly connected to form a rectangular frame, the openings of the front bracing channel steel and the rear bracing channel steel face the outer side of the frame, and the openings of the left bracing channel steel and the right bracing channel steel face the inner side of the frame; the cover plates are arranged at the openings of the front bracing channel steel and the rear bracing channel steel respectively, and matched with the openings of the front bracing channel steel and the rear bracing channel steel in size; the plug plates are fixedly connected to the two end portions of the front bracing channel steel and the rear bracing channel steel respectively, and matched with the end surfaces of the front bracing channel steel and the rear bracing channel steel in size. The control cabinet base disclosed by the invention is simple in structure, convenient to install, suitable for all types of control cabinets, wide in applications, and beautiful in shape; hollow inner cavities are formed in the front bracing channel steel and the rear bracing channel steel, and capable of accommodating electric wires, has a dustproof effect, as well as is formed by acid pickling and powder coating as a whole, anti-rust and anti-corrosion.

The invention discloses a front door and window guide rial sealing strip assembly. The front door and window guide rial sealing strip assembly comprises a triangular window, a vertical sealing strip,an upper fixing part, a lower fixing part, a first stabilizing part and a second stabilizing part. The vertical sealing strip is arranged on the vertical edge of the triangular window, and the upper fixing part and the lower fixing part are arranged at the upper end and the lower end of the vertical edge of the triangular window correspondingly. The vertical sealing strip is fixed to car door sheet metal through the first stabilizing part and the second stabilizing part. The front door and window guide rial sealing strip assembly has sealing performance, dustproof performance, waterproof performance and sound insulation performance, the view angle range is widened, the overall appearance is attractive, and the overall firmness is enhanced.

The invention discloses an electrostatic-metal ceramic filtering dust removal device for synergistic desulfurization and denitrification. The device comprises a shell, an air inlet is formed at one side of the upper end of the shell, a pressure gauge is arranged on the inner wall of the shell, an air outlet is formed at one side of the lower end of the shell, and the air outlet is connected with an induced draft fan; a discharge electrode is arranged at the center of the dust removal device, a dust collection electrode comprises two layers of metal ceramic sleeves, the diameters of filtering holes in the walls of the metal ceramic sleeves of every layer are different, and the electrode and the metal ceramic sleeves are fixed on an alloy plate; and a dust bucket is arranged at the lower endof the shell. The device has the advantages of simultaneous completion of dust removal, desulfurization and denitrification of flue gas, good flue gas treatment effect, high efficiency and resource saving.

The heat shrinkage film middle sealing equipment comprises a feeding conveyor, a film placing machine, a bag making machine, a bag carrying machine, a box pushing and bagging machine, a bag sealing machine, a corner cutting machine and a carrying machine, the film placing machine is installed at the discharging end of the feeding conveyor, the discharging end of the film placing machine is connected with the bag making machine, the bag carrying machine is installed at the discharging end of the bag making machine, and the bag carrying machine is connected with the bag sealing machine. A box pushing bagging machine is installed at the discharging end of the bag carrying machine, an angle cutting machine is installed at the discharging end of the box pushing bagging machine, and a carrying machine is installed at the discharging end of the angle cutting machine. According to the invention, full-automatic film coating, film cutting and thermal shrinkage can be realized, so that the production efficiency is improved, the production cost is saved, and the company competitiveness is improved; and after being coated with the film, the product has anti-counterfeiting property and dust-proof property.

The invention discloses fully-sealed goggles which comprise lenses, a lens frame for bearing the lenses, a sealing element hermetically attached to the face of a wearer, and a frame for connecting the lens frame and the sealing element,; the lenses are made of plastic; the lens frame is made of plastic or silicon rubber; the frame is made of silicon rubber; and the sealing element is made of silicon rubber; The plastic and the silicon rubber form the whole body of the goggles by means of bonding through heat vulcanization; one or more moisture permeable structures are seamlessly embedded in the frame; each moisture permeable structure is a dense silicone rubber film or a silicone rubber film without through holes with the hole diameter larger than 100 nm, and the thickness of each silicone rubber film ranges from 0.005 mm to 0.5 mm. The goggles do not contain vent holes through which liquid or solid particles can pass, but are provided with the moisture permeable structures, so that water vapor generated by eyes is discharged through the water vapor permeability of the silicone rubber films, and the goggles are well attached to the face of a person, so that the goggles are are fully-sealed goggles; The goggles have the advantages of preventing saliva from splashing, preventing dust, preventing water, preventing blood from passing, preventing germs and viruses from passing, preventing irritant gas from entering eyes, being capable of being repeatedly used after being sterilized and disinfected at high temperature and the like, and can be safely used in chemical workshops, hospitals and other occasions.

The invention provides a pivoting mechanism. The pivoting mechanism comprises a hinge structure, at least one deformable pattern layer and at least one decorative protection layer, the deformable pattern layer is arranged on the hinge structure and provided with a plurality of hollow patterns, and the hollow patterns are separated from one another. The decorative protective layer is arranged on the hinge structure and located on the same side as the deformable pattern layer.

The invention relates to the technical field of massage equipment, and discloses a nursing massage device suitable for neurosurgery. The device comprises whole body nursing massage garment, and the whole body nursing massage garment comprises a back massage area, a thorax and abdomen massage area, a neck massage area, a face massage area, a shoulder massage area, an upper limb massage area, a lower limb massage area and a sole massage area. The two sides of the back massage area are connected with the two sides of the thorax and abdomen massage area, and the top of the back massage area is connected with the bottom of the neck massage area. The nursing massage device suitable for the neurosurgery department massages the back, the thorax and abdomen, the neck, the face, the shoulders, the upper limbs, the lower limbs and the soles of a patient suffering from general paralysis at the same time, use of various massage devices is reduced, time consumed for general massage is shortened, and therefore the purposes of saving time for general massage and realizing whole body massage without various massage devices is achieved, the blood circulation speed of a patient suffering from whole body paralysis can be increased through heating of a heating piece, and other complications are avoided.

The invention discloses a T-shaped hollowed-out working table for a PCB pin loader. The working table is provided with a working table surface, a groove is formed in the working table surface, at least two T-shaped support plates are arranged inside the groove, each T-shaped support plate is composed of an upper support plate and an inserting plate extending downwards from the middle of the lower surface of the upper support plate, the T-shaped support plates are inserted in the groove through the inserting plates, the upper support plates of the T-shaped support plates are positioned above the groove, and a PCB is placed on the upper surface of the upper support plates of the T-shaped support plate. The PCB is supported by the two T-shaped support plates, and thus the contact area between the working table and a PCB table surface is reduced, and the friction area is reduced; moreover, scraps possibly generated by pin loading work can also fall onto the working table surface lower than the support surfaces of the T-shaped support plates and into the groove, the friction is further reduced, and thus the scratch generated by friction is reduced to the minimum extent, and defective products are greatly reduced.