194results about How to "Improve dustproof" patented technology

The invention discloses an LED lighting lamp device stable in installation. The LED lighting lamp device comprises an upper lamp body and a lower lamp body. A containing groove is formed in the bottom in the upper lamp body. First sliding grooves are symmetrically formed in the top in the containing groove left and right. A partition plate extending downwards is arranged between the two first sliding grooves. A downward extending section of the partition plate stretches into the containing groove. The parts, on the sides where the first sliding grooves are away from the partition plate, of the upper lamp body are internally provided with first cavities. The first cavities are internally provided with rotating shafts. Each first sliding groove is internally provided with a first screw in threaded connection with a push lock sliding block. The inner sides of the first screws are in power connection with a motor. First bevel gears are fixed to the rotating shafts in the circumferential direction. The upper portions of the first bevel gears are engaged and connected with second bevel gears. The parts, above the first cavities, of the upper lamp body are internally provided with second cavities. Second sliding grooves are formed in the inner sides of the second cavities. Second screws are arranged in the second cavities. The bottoms of the second screws penetrate the upper lamp body and are fixedly connected with the second bevel gears, and the second screws in the second cavities are in threaded connection with movable blocks.

A stock feeder for woodworking equipment includes a base, a cross clamp, a horizontal bar unit, a vertical bar unit, a feeding unit, and an electrical unit. The electrical unit has an electrical unit main body and a variable-frequency drive. The electrical unit main body has a first housing, a plurality of heat dissipation grooves provided on the outer periphery of the first housing, and a power fan which is independently mounted on a top portion of the first housing and in communication with the heat dissipation grooves. The variable-frequency drive has a second housing, a variable-frequency circuit sealed in the second housing, and a control panel exposed outside the second housing. The second housing has an outer surface provided with a plurality of heat dissipation slots corresponding in position to and in communication with the heat dissipation grooves of the electrical unit main body.

The invention belongs to the field of electric vehicles, and discloses an enclosed battery box for active heat management of an electric vehicle. The enclosed battery box comprises a battery box body, and a semiconductor chilling plate, an internal fin, a fan, a battery management system and a battery pack which are arranged in the battery box body, wherein the battery box body is an enclosed box body, the fan is arranged at one side of the internal fin; the semiconductor chilling fin is fixed on the inner side wall of the battery box body and connected with the internal fin; the battery management system is used for controlling working states of the fan and the semiconductor chilling plate in real time according to a temperature, which is monitored by the battery management system, in the battery pack, so as to realize active heat management. According to the enclosed battery box, the structure of an existing battery system is not changed, simple switching of a heating manner and a refrigerating manner of the battery pack inside the battery box of the electric vehicle can be realized, relatively high dustproof and waterproof grades can be realized; the battery box has an active heat management control strategy; a heating component and a refrigerating component for a power battery pack are simple and convenient to mount, and the price is low.

The invention discloses infusorial earth environment-friendly interior wall decoration polyurethane synthetic leather and a production method thereof. The synthetic leather comprises base cloth, a waterproof agent layer which is coated on one side of the base cloth and a waterborne polyurethane layer which is coated on the waterproof agent layer and contains infusorial earth, wherein the waterborne polyurethane layer containing the infusorial earth comprises, by weight, 100 parts of waterborne polyurethane, 1-20 parts of anti-settling agent, 1-20 parts of ricinate, 50-300 parts of infusorial earth and 1-50 parts of waterborne pigment paste. According to the synthetic leather and the production method, the used raw materials are environment-friendly materials, the produced infusorial earth environment-friendly interior wall decoration polyurethane synthetic leather has good durability, feels comfortable, is elegant in appearance, can be widely applied to interior wall decoration of upscale wine-shops and hotels, fashionable Karaok telsvision (KTV), senior clubs, senior villas or mansions, and has great market prospect.

The invention belongs to the technical field of electric connectors, in particular to an electric connector suitable for a new energy automobile. The electric connector comprises a plug and a joint. One end of the plug is connected with an input wire. One end of the joint is connected with an output wire. The plug comprises a first housing body and a second housing body. The first housing body isin the shape of a cylinder. An inward flange is arranged on one end, away from the second housing body, of the first housing body. Multiple insertion holes are uniformly distributed in the flange. Anannular step, a first annular protrusion and a second annular protrusion are left-right successively arranged on the side wall of the second housing body. One end, away from the output wire, of the second housing body is connected with multiple insertion pin grooves. Insertion pins are fixed in the insertion pin grooves. A spring, a first annular plate, a second annular plate, an annular piece andmultiple insertion rods sleeve the outer side of the annular step, so a linkage mechanism is formed. The electric connector is advantageous in that through combination of the circumferential sealingand axial sealing, the dustproof and waterproof performance of the electric connector is effectively improved and long-term and stable operation of an automobile electrical appliance is ensured.

The invention discloses an electrical cabinet with fire extinguishing and cooling functions. The invention belongs to the field of firefighting, the invention discloses the electrical cabinet with fire extinguishing and cooling functions, according to the scheme, when open fire occurs outside the electrical cabinet, the open fire burns outside a glass tube; the carbon dioxide gas in the glass tubeexpands to cause the glass tube to burst; a strip-shaped limiting block enables the fixed plate to stably slide downwards through balls in a limiting groove; a storage bag is extruded by a pressing plate through the fixing plate; a needle punctures the storage bag and penetrates through a foaming agent and a separation membrane; the foaming agent, aluminum sulfate and a sodium bicarbonate solution are mixed to generate a large amount of foam and carbon dioxide, the foam and carbon dioxide are ejected out of a discharge hole, and therefore, the open fire is covered; when the fixing plate encounters the open fire and generates high temperature, a PVC film encounters the high temperature and melts, so that inorganic salt in a T-shaped barrel falls into a reaction cavity, the inorganic salt and water in the reaction cavity are mixed and react to generate a heat absorption phenomenon, and the outer wall of the electrical cabinet is cooled.

The disclosed query method for a non-contact smart card reader comprises: usually, the reader is on sleep state with very-low power, and auto sends query carrier-wave signal periodically; if there is card in range, the reader starts to read and complete operation; or else, back to sleep state. This invention saves energy and improves security.

The invention provides a casing component of a terminal and the terminal. The casing component comprises a front cover, a diaphragm and a flexible circuit board. A surrounding bone which extends in the circumferential direction is arranged on the front cover. The diaphragm is opposite to the front cover, and the diaphragm is attached to the free end of the surrounding bone through a sealing adhesive layer to define an isolation chamber with the front cover and the surrounding bone. A part of the flexible circuit board is sandwiched between the diaphragm and the surrounding bone, and is fixed by the sealing adhesive layer. According to the casing component of the terminal, a part of the flexible circuit board is sandwiched between the diaphragm and the surrounding bone; the flexible circuit board is fixed between the diaphragm and the surrounding bone through the sealing adhesive layer; the isolation chamber is configured as a sealed chamber to prevent impurities such as liquid, dust and the like from entering the isolation chamber and contacting components in the isolation chamber; waterproofing and dustproofing effects of the casing assembly are enhanced; waterproofing and dustproofing performances of the terminal are enhanced; and the practicality is enhanced.

The embodiment of the invention relates to the technical field of car ventilation devices, and provides a ventilation plug which can improve dust and water resistance. The ventilation plug comprises a plug cap and a plug body with a vent hole, the vent hole is a through hole penetrating through the two ends of the plug body, the plug cap is arranged at one end of the plug body in a covering mode, a cavity is formed between the plug cap and the plug body and communicated with the vent hole, and the plug cap can move along the outer surface of the plug body in a reciprocating mode. A sealing piece is arranged between the side wall of the plug cap and the plug body, and when the plug cap moves along the outer surface of the plug body, the sealing piece can move along with the plug cap to enable the cavity to be always isolated from the outside. The ventilation plug is used for a car component with a sealed space.

The invention discloses a dustproof and bactericidal type aqueous coating material for glass doors. The dustproof and bactericidal type aqueous coating material is characterized by being prepared from the following raw materials in parts by weight: 34-38 parts of aqueous polyurethane resin, 28-34 parts of acrylic epoxy resin, 8-12 parts of modified styrene-acrylic emulsion, 0.4-0.8 part of polyvinyl alcohol, 1-3 parts of diethylene glycol monoethyl ether, 0.3-0.6 part of alcohol-amine dipyrophosphate acyloxy glycolate titanate, 0.2-0.5 part of polyether modified polyorganosiloxane, 0.2-0.4 part of cellaburate, 0.3-0.6 part of dioctyl sodium sulfosuccinate, 0.4-0.7 part of acetoacetoxy ethyl methacrylate, 0.6-1.2 parts of climbazole, 3-5 parts of ethylene glycol, 0.5-1.0 part of graphene, 1-2 parts of pigment and 10-15 parts of deionized water. According to the aqueous coating material disclosed by the invention, on the basis of high adhesion, water resistance and alcohol acid resistance, the modified styrene-acrylic emulsion is added, so that the bactericidal, dustproof and anti-electrostatic effects of the coating material are improved; added climbazole has spectrum sterilization property, so that the quality of the coating material is further improved; and the coating material disclosed by the invention is simple in operation and low in production cost, does not contain benzene solvents and heavy metals, is harmless to human bodies and environment, is environment-friendly and safe and is suitable for being popularized.

The invention relates to an industrial meat cutting and mincing apparatus, comprising two buckets; a support bar is disposed between the two buckets, the upper end of each bucket is provided with a cylinder-driven press plate, a motor is disposed on the support bar, the motor is connected with a tool rest through an output shaft, blades are arranged on the left and right of the tool rest respectively, a meat slice conveyer belt is arranged below the tool rest, a mincing barrel is disposed below one side of the conveyer belt, upper and lower rows of cutting rolls with a cutter are arranged in the mincing barrel, and one side of the mincing barrel is provided with a discharge pipeline connected to the buckets. The industrial meat cutting and mincing apparatus is simple in structure, reasonable and novel in design, convenient to operate, and is effective in mincing meats and avoiding blockage.

The invention discloses an LED lighting device, which comprises an upper lamp body and a lower lamp body. The bottom of the upper lamp body is provided with a receiving groove, and the top of the receiving groove is symmetrically provided with first sliding grooves. There is a partition extending downwards, and the downward extension of the partition extends into the receiving groove. The upper lamp body on the side where the first chute is far away from the partition is provided with a first cavity, and the first cavity is provided with a There is a rotating shaft, and each first chute is provided with a first screw rod, which is threadedly connected with a lock and push slider, and the inner side of the first screw rod is connected with the power of the motor, and a heat exhaust assembly is arranged outside the motor. The thermal assembly includes a metal heat sink fixedly connected to the outside of the motor and a heat exhaust fan arranged on the metal heat sink. A first bevel gear is fixed on the upper direction of the rotating shaft, and a second bevel gear is meshed and connected above the first bevel gear. For the bevel gear, the upper lamp body above the first cavity is provided with a second cavity, the inside of the second cavity is provided with a second chute, and the second cavity is provided with a second screw rod.

The invention relates to a tile surface material composite plate and a novel construction method thereof. The construction method comprises the following steps: (1) sticking the tile surface material on a base plate to form a tile surface material spliced plate; (2) cleaning the tile surface material spliced plate; (3) forming straight-line-shaped cutting grooves on connecting seams of the tile surface material spliced plate in batches; (4) filling the cutting grooves with a crack-sealer, then curing to obtain the tile surface material composite plate and finishing the construction. The cutting grooves are formed in the modularized tile surface material composite plate in the construction method; the construction efficiency of the tile surface material composite plate can be improved, the labor intensity of the construction staff is reduced, the technological dependence of the construction staff is reduced; in addition, the butt seam precision of the tile is greatly improved, and the attractive effect of the buildings appearance is improved.

The invention provides an industrial robot for gear machining and relates to an industrial robot. The industrial robot for gear machining solves the problems of low machining efficiency and low machining accuracy of manual operations adopted for existing machining in steps of tooth profile chamfering and deburring. A main shaft bearing block is fixedly mounted on an upper end face of a base; a rotating main shaft is vertically mounted on the main shaft bearing block through a main shaft bearing; a main shaft driving device drives the rotating main shaft to rotate; a cylinder block of a lifting cylinder is fixedly mounted on an upper end face of the rotating main shaft; a cylinder block of an arm cylinder is fixedly mounted on an upper end face of a piston rod of the lifting cylinder; a wrist portion is mounted on a piston rod of an arm cylinder through an arm transition plate and a gripper is connected to the wrist portion; a gripper rotating shaft is horizontally mounted in a bearing block assembly through a self-aligning ball bearing; and one end of the gripper rotating shaft is fixedly connected with an output shaft of a first stepping motor through a coupling, while the other end of the gripper rotating shaft is connected with a pneumatic gripper. The industrial robot for gear machining is applicable to tooth profile chamfering and deburring in gear machining.

The invention discloses a dirt-resistant mold-resistant paint for glass doors. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 45-54 parts of water-based acrylic acid emulsion, 12-14 parts of water-based fluorocarbon emulsion resin, 8-12 parts of modified styrene acrylic emulsion, 1-2 parts of water-based wax emulsion, 0.3-0.5 part of polyoxyethylene laurel ether, 0.2-0.4 part of amide stearate, 1-3 parts of dipropanediol monopropyl ether, 0.3-0.6 part of alkylol amine dipyrophosphoryl oxy hydroxy acetate titanate, 0.3-0.5 part of leveling agent BYK-3100, 0.3-0.6 part of propyl trimethoxy siloxane, 0.2-0.4 part of laurinol phenylacetate, 0.2-0.4 part of polyvinylpyrrolidone, 0.3-0.5 part of crystal whisker silicon, 0.5-1.0 part of hydroxy benzoyl propyl ester, 1-2 parts of pigment and 10-15 parts of deionized water. The water-based paint has the characteristics of excellent weather resistance, excellent water resistance, excellent dirt resistance, excellent mold resistance, excellent chemical resistance and the like; and the added modified styrene-acrylic emulsion enhances the bactericidal, dust-proof and antistatic actions of the paint. The paint is a pure water-based green safe environment-friendly paint, is harmless to human health, has the characteristics of no environmental pollution and favorable properties, and is worthy of popularization.

The invention discloses an environment-friendly flame-retardant scaffold system. The environment-friendly flame-retardant scaffold system sequentially comprises a plurality of scaffold board rows, a ramp scaffold board and a perforated dustproof safety net from bottom to top, and the perforated dustproof safety net is arranged on one side of a scaffold. The environment-friendly flame-retardant scaffold system is characterized in that the first row of scaffold boards in the bottom layer is steel scaffold boards, steel screen scaffold boards are adopted for layering and separation of the scaffold, each two adjacent steel scaffold boards are connected through a fixing part, and each two adjacent steel screen scaffold boards are connected by a fixing part. By the aid of the scaffold system, dangerousness of construction is lowered, fire accidents can be avoided, occupational health of operators is guaranteed, and accordingly environmental friendliness requirements of environmental friendliness, dust prevention, noise prevention of construction sites are met, and adverse impact on surrounding environments is reduced.

The invention discloses an auxiliary device for a cardiovascular operation. The auxiliary device for the cardiovascular operation comprises a base, wherein a lifting unit is fixedly mounted on one side of the upper part of the base; a adjusting unit is mounted at the upper end of the lifting unit; a magnifying lens is mounted at one end, far away from the lifting unit, of the adjusting unit through a hinging component. The auxiliary device for the cardiovascular operation can assist a cardiovascular internal medical operation doctor to clearly view the cardiovascular distribution of a patientand the position of a cardiovascular lesion from different angles to ensure that the doctor can accurately perform the operation at the position of the lesion of the patient so as to reduce the risksof the operation, guarantee the smooth progression of the operation and increase the success rate of the operation; the auxiliary device for the cardiovascular operation is relatively strong in operating flexibility, convenient to use and relatively good in applicability, can be used by matching with operating beds with different sizes, is convenient for the doctor to operate an ascending switch and a descending switch through the sole of a foot so as to control rise and fall of the magnifying lens, can liberate the hands of the doctor, and can avoid influence on the operation on the patient by the doctor.

A telecommunication cabinet includes a first and a second cabinet bodies, an internal fan, a partition board, multiple heat dissipation pipes and an external fan. The first cabinet body includes an upper slot and a lower slot. The second cabinet body covers the first cabinet body and includes an air inlet and an air outlet. The internal fan is arranged in the first cabinet body. The partition board is connected with the second cabinet body and includes multiple air vents and multiple air intakes. The heat dissipation pipes are disposed in the second cabinet body and include multiple upper nozzles and multiple lower nozzles. Multiple heat dissipation channels are disposed between the heat dissipation pipes. The external fan is disposed on a bottom inside the second cabinet body.

The invention discloses a multifunctional double-layer plant protection box for an electrodynamic unmanned aerial vehicle for plant protection and the unmanned aerial vehicle. The multifunctional double-layer plant protection box comprises an upper box body and a lower box body, wherein a battery containing groove, a wireless receiving module containing groove, a video sending module containing groove and a membrane pump containing groove are formed in the upper end face of the upper box body, a clamping mechanism is arranged on the side wall of the battery containing groove and comprises a spring and a clamping hook, and the wireless receiving module containing groove, the video sending module containing groove and the membrane pump containing groove are provided with threaded holes. The lower box body is used for containing pesticide liquid and is provided with a liquid inlet, an exhausting port and a liquid discharging port, and the liquid discharging port is connected with a liquid discharging pipe. A battery, a wireless receiving module, a video sending module and a membrane pump in the prior art are all installed in the upper box body of the plant protection box, an appearance structure of the electrodynamic unmanned aerial vehicle in the prior art is optimized, and the waterproof, dustproof and scrape-proof capability in the plant protection operating process is also effectively improved.

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 discloses a dust removal system of a stepped atomization sub-region of a fully mechanized excavation face. The dust removal system comprises a jet atomization dust suppression module, an air atomization dust fall module and a dynamic pressure atomization dust isolation module. The jet atomization dust suppression module comprises a booster pump, a high-pressure water pipe, a dust depressor automatic adding device, a dust depressor solution conveying pipe and a negative pressure secondary atomization dust suppression device which are sequentially connected. A liquid sucking pipe of the dust depressor automatic adding device is communicated with a dust depressor container. The air atomization dust fall module comprises an air atomization dust fall device connected with a pressure ventilation pipe and a static pressure water pipe. The dynamic pressure atomization dust isolation module comprises a fastening device and an L-shaped dust isolation fog screen generator connected with the dynamic pressure water pipe. The dust suppression of a cutting breakage region source, the dust fall as soon as possible of the head-on return air side of the fully mechanized excavation face and the timely dust isolation of a full cross section are realized, the new technical device is provided for high-efficiency and low-cost dust treatment of the fully mechanized excavation face, and the system has wide applicability.

The invention discloses an intelligent support method for a die-cutting machine. An inserting rod is plugged into the ring, and the bottom end of the sleeve is integrally formed with a wheel frame. The wheel frame is provided with a first jack, and the inner side of the wheel frame is connected with a roller through a rotating shaft. The front of the roller is surrounded by a shaft. Not less than three second jacks. The die-cutting machine frame, when the die-cutting machine is placed on the support, can use the buffer spring to buffer the die-cutting machine, thereby reducing the vibration of the die-cutting machine, reducing the noise, and improving the quality of the die-cutting machine. The stability of the cutting machine. When the buffer spring is compressed by force, the support ring can be used to limit the position and prevent the sleeve from colliding with the horizontal plate. The rubber ring on the bottom of the support ring can be placed between the support ring and the sleeve. Cushioning on contact for high stability.