64results about How to "Efficient suction" patented technology

The invention relates to the technical field of bearing production and conveying, and discloses a conveying device for deep groove ball bearing production, which comprises a conveying platform, the left side of the conveying platform is fixedly connected with a blanking plate, the right side of the conveying platform is provided with a conveying belt, and the bottom of the conveying platform is fixedly connected with a fixing frame. An intermittent arrangement mechanism is arranged at the top of the fixing frame and comprises a motor, the motor is fixedly connected to the top of the fixing frame, bearings can be conveyed through rotation of a conveying disc, the bearings are prevented from being stacked together, and the bearings can be intermittently limited through front-back movement of a limiting rod; therefore, intermittent conveying and arrangement of the bearings are achieved, mutual extrusion and accumulation of the bearings can be avoided, materials are kept to be evenly distributed on the conveying belt, the conveying belt runs smoothly, the shutdown cleaning frequency caused by blockage is reduced, the continuous production process is guaranteed, and the conveying efficiency is effectively improved.

The invention relates to the technical field of welding, and discloses four-station rotary welding processing equipment for welding, which comprises a mechanical arm provided with a welding gun, a laser welding cabinet and a welding tool cabinet, the tool cabinet is rotatably provided with a turntable capable of rotating by 180 degrees, and the surface of the turntable is provided with an isolation plate which divides the turntable into a front side and a rear side; four tool mechanisms are symmetrically arranged, the front side is used for feeding and discharging, and the rear side is used for automatic welding. The equipment is provided with a dust collection mechanism, the dust collection mechanism comprises a height-adjustable cross beam, a dust collection barrel and a turnover telescopic dust collection head, the position of the dust collection head is adjustable, collision with a welding gun is avoided, welding smoke is sucked away, the welding position is cooled, the welding efficiency and quality are improved, and the safety of operators is guaranteed.

The invention discloses industrial gas on-line monitoring equipment, and relates to the technical field of monitoring equipment.The industrial gas on-line monitoring equipment comprises a monitor installed on a rack, and a gas guide pipe used for guiding industrial gas to be monitored by the monitor is arranged outside the rack; a spacing disc is fixed in the air guide pipe, a plurality of disc channels which are uniformly distributed around the axis of the spacing disc are arranged on the spacing disc, and filter plates are mounted in the disc channels; a side box and a side plate are arranged on the two sides of the spacing disc respectively, the side box is close to the industrial gas inlet end of the gas guide pipe, a shaft pipe is rotationally arranged on the spacing disc, the side box is fixed and communicated to the shaft pipe, and the side plate is movably arranged on the shaft pipe. According to the industrial gas online monitoring equipment, by arranging the side box, the side plate and other structures, rapid cleaning of impurities can be completed without shutdown, it is guaranteed that impurity suction and gas monitoring do not affect each other, meanwhile, the two-way collaborative reverse blowing cleaning effect of reverse blowing and suction is formed, synchronous cleaning of the side box is completed, and the service life of the side box is prolonged. And the use efficiency of the industrial gas online monitoring equipment is improved.

The utility model relates to the technical field of water supply engineering, in particular to a sedimentation tank sludge suction device for water supply engineering, which comprises a sedimentation tank, a cleaning component is arranged in the sedimentation tank, the cleaning component is used for scraping sludge on the inner wall of the sedimentation tank, a suction component is arranged on the cleaning component, and the suction component is used for sucking sludge on the inner wall of the sedimentation tank. The suction assembly is used for sucking sludge in the sedimentation tank; the cleaning assembly is arranged on the inner wall of the sedimentation tank, and a gear and a rack in the cleaning assembly are rotationally matched, so that a brake ring rotates in a guide rail, and a scraper is driven to automatically scrape sludge on the inner wall of the sedimentation tank, so that the sedimentation effect of the sedimentation tank is ensured, and meanwhile, a worker can conveniently clean the sludge on the inner wall of the sedimentation tank.

The utility model relates to the technical field of speed reducers, and discloses a speed reducer accessory display device with a self-cleaning function, which comprises a display cabinet, a fixing frame is fixedly connected to the side surface of the display cabinet, a motor is fixedly connected to the outer side of the fixing frame, and an output shaft of the motor penetrates through the fixing frame and is fixedly connected with a belt pulley I; a first connecting rod is rotationally connected into the fixing frame, one end of the first connecting rod penetrates through the fixing frame to be fixedly connected with a second belt wheel, a belt body is installed outside the first belt wheel and the second belt wheel, and one end of the first belt wheel and one end of the second belt wheel are fixedly connected with second connecting rods. Compared with the prior art, the device has the advantages that greasy dirt, dust and particles on the surfaces of the speed reducer accessories can be efficiently sucked away, and it is guaranteed that the surfaces of the speed reducer accessories are always kept in a clean state; the speed reducer accessory can be kept fixed in the cleaning process, and therefore the cleaning effect is improved.

This utility model relates to the field of magnetic concealed enclosure structure technology, specifically a magnetic concealed enclosure structure for embedded parts that meets the requirements of clean and aesthetically pleasing finishes. It includes a wall structure, an inspection port located on the wall structure, a grooved ring on the wall structure, and a cover plate magnetically connected to the inner wall of the grooved ring. Multiple permanent magnets are fixedly installed on one side of the cover plate. A pre-embedded steel strip has multiple permanent magnets fixedly installed on one side. This utility model allows for the fabrication of a concealed cover plate according to the size of the embedded part opening. A strip-shaped permanent magnet is embedded in the edge of the cover plate. The permanent magnets are positioned at the same level as the permanent magnets on the pre-embedded steel strip, but with opposite magnetic poles, providing effective attraction and preventing the cover plate from falling out, thus forming a magnetically concealed enclosure structure.

This application relates to the field of carding technology, specifically to a carding device for cotton sliver processing. The device includes a housing, with a needle roller, a stripping roller, and an output roller arranged inside the housing. The stripping roller and output roller are located on the left and right sides of the needle roller, respectively. A circulating belt is located on the upper part of the inner side of the housing, above the needle roller. A base is fixedly connected to the bottom of the inner side of the housing, below the needle roller, stripping roller, and output roller. A self-clogging mechanism for impurity removal is installed on the base. This invention uses a vacuum pump to generate negative pressure, which can efficiently remove impurities and short fibers generated during the carding process. An electric push rod controls the raising and lowering of the plug, achieving sealing of the dust collection cavity and rapid slag removal. Furthermore, the design of the guide sleeve and guide rod ensures the smoothness of the plug's movement and the reliability of the seal, preventing gas backflow after sealing and preventing the backflowing air from re-adhering impurities to the cotton sliver.

The application relates to the technical field of cleaning, and discloses a liquid storage box, a cleaning device and a cleaning system. The liquid storage box comprises a box body and a noise reduction piece. The box body is provided with a liquid suction cavity and a liquid suction opening. The liquid suction cavity extends along a first direction. The noise reduction piece is arranged in the liquid suction cavity. The noise reduction piece and the cavity wall of the liquid suction cavity enclose a liquid suction channel. The liquid suction channel is in communication with the liquid suction opening. The liquid storage box is provided with the noise reduction piece in the liquid suction cavity. The noise reduction piece occupies part of the space in the liquid suction cavity. The size of the liquid suction channel enclosed by the noise reduction piece and the cavity wall of the liquid suction cavity is smaller than the size of the liquid suction cavity without the noise reduction piece. Therefore, the suction force in the liquid suction channel is relatively large. The liquid suction cavity is beneficial to the suction of a small amount of water at the bottom of the liquid suction cavity. Therefore, the noise is reduced, and the user experience is improved.

The utility model belongs to the technical field of reaction kettles, and particularly relates to a reaction kettle convenient for discharging, which comprises a tank body, the bottom end of a stirring shaft mounted in the tank body is connected with a packing auger, a discharge port at the bottom of the tank body is connected with one end of a three-way pipe, the lower half part of the packing auger is mounted in the three-way pipe, and the other end of the three-way pipe is connected with a discharge port. The other two ends of the three-way pipe are connected with a discharging valve and a circulating pipe respectively, the other end of the circulating pipe is connected with a backflow pipe through an adjusting valve, and the bottom end of the backflow pipe extends into the tank body. By controlling the positive and negative rotation of the motor of the reaction kettle, the rotating auger can prevent materials from being accumulated at the bottom of the tank body in the material reaction process, and assists in discharging in the discharging process, so that the materials are prevented from blocking the discharging port.

The invention relates to a device for copper strip shape correction and edge burr removal. The device comprises a rack, and the rack is provided with a machining space for copper strip machining and a machining inlet and a machining outlet which are communicated with and communicated with the machining space; a plurality of lower smooth rollers and lower smooth roller shaft seats matched with the lower smooth rollers are arranged at the bottom of the processing space, and upper smooth rollers and upper smooth roller shaft seats matched with the upper smooth rollers are arranged between the adjacent lower smooth rollers; a lifting device is arranged at the top of the processing space, is connected with an upper roller box plate and is used for driving the glazing roller shaft seat to lift, so that the glazing roller has a first position which is simultaneously tangent to the adjacent lower glazing roller and a second position which is simultaneously separated from the adjacent lower glazing roller; the upper roller box plate is further provided with a vacuum scrap suction device, the vacuum scrap suction device is provided with a suction inlet, and the suction inlet faces the tangent point of the upper smooth roller and the lower smooth roller when the upper smooth roller is located at the first position. According to the device, cleaning can be conducted in time after edge thorns are removed, the original thickness of the copper strip is kept, and the shape righting effect is improved.

The invention relates to the technical field of cutting machines, and discloses a cutting device for office table processing, which comprises a saw wheel, a dustproof cover is arranged at the top of the saw wheel, a dust outlet device is fixedly connected to one side of the dustproof cover, a kettle is fixedly connected to the top of the dustproof cover, and a nozzle is fixedly connected to the bottom of the kettle. A piston pipe is arranged on one side of the kettle, an air outlet pipe is fixedly connected to one side of the piston pipe, an air inlet pipe is fixedly connected to the other side of the piston pipe, and a motor is fixedly connected to the bottom of the piston pipe. Heat sucked by the piston rod is blown out through the air outlet pipe, the dust outlet device is assisted in discharging dust, the situation that the cutting machine is damaged and the working efficiency is affected due to the fact that the motor dissipates heat after the cutting machine is used for a long time is avoided, and the kettle at the top of the dustproof cover is connected with the piston rod device, so that the sawing wheel can be cooled while the cutting machine is used.

The invention discloses a coal mine underground sludge cleaning device which comprises a vehicle body, a sliding rail is arranged on the vehicle body, a sliding table is slidably arranged on the sliding rail, a connecting pipe is fixed to the front face of the sliding table, the tail end of the connecting pipe is connected with a volute shell, a discharging opening is formed in the side face of the volute shell, the discharging opening is connected with a guide pipe, and the guide pipe is connected with the sliding table. The guide pipe is connected to a sludge pump arranged on the vehicle body, and the sludge pump is further connected to a sewage draining exit on the ground. Compared with the prior art, efficient, safe and environment-friendly sludge cleaning work is achieved, and a remarkable effect is brought to underground coal mine sludge cleaning.

The utility model relates to the technical field of polycarboxylate superplasticizer production, and discloses a polycarboxylate superplasticizer compounding production line with a defoaming function, which comprises a neutralization reaction tank arranged on the polycarboxylate superplasticizer compounding production line, a bracket is arranged at the top of the neutralization reaction tank, and a height-adjustable defoaming device is arranged on the bracket; the defoaming device is mounted on a moving platform of a lead screw linear module arranged at the top of the bracket, and a motor on the lead screw linear module drives a lead screw to rotate to drive the moving platform to do lifting motion, so that the height position of the defoaming device in the neutralization reaction tank is adjusted. The height position of the defoaming device in the reaction tank is adjustable through the action of the lead screw linear module, and the defoaming device can be adjusted according to the liquid level height of mixed liquid in the neutralization reaction tank so as to better suck foam and eliminate the foam.

The utility model discloses a device for additionally installing a jet device on a smoke exhaust pipeline of an oil station, which relates to the technical field of smoke exhaust of the oil station and comprises an oil tank and a smoke exhaust pipe, an oil tank smoke exhaust fan is arranged on the smoke exhaust pipe, and a nitrogen jet device control device is further arranged in the smoke exhaust pipe. The nitrogen jet device control device comprises a stainless steel pipe, a reducer pipe joint, an elbow and a welding type regulating valve. The nitrogen jet device can form negative pressure in a pipeline by jetting nitrogen at a high speed, so that oil smoke and harmful gas in the pipeline can be sucked and exhausted more effectively, the smoke exhaust effect is improved, flow field distribution in the pipeline can be improved through the jetting effect of the nitrogen jet device, vortexes and dead angles are reduced, and the smoke exhaust effect is improved. Oil smoke and harmful gas are discharged more smoothly, the possibility of pipeline blockage is reduced, nitrogen ejected by the nitrogen ejector can exchange heat with high-temperature discharged smoke, and therefore the temperature of the discharged smoke is reduced, the heat load on pipeline materials is reduced, and the service life of the pipeline is prolonged.

This invention relates to the field of flooring production technology and provides an adjustable grooving device for flooring production, comprising: a workbench and a conveyor belt for transporting flooring, the conveyor belt passing over the workbench; a pressing strip for fixing the flooring, and a lifting component for adjusting the working height of the workbench; and a grooving mechanism, the grooving mechanism comprising a control box, a translation frame, and a grooving component, wherein one set of translation frames is provided on each side of the control box, and the control box is also provided with a translation component for moving the translation frames. This invention, through the coordinated design of the pressing strip and the grooving mechanism, avoids the problems of existing grooving equipment, which mostly has a simple structure, making it difficult to simultaneously groove both sides of flooring of different widths, lacking trimming functions, and easily leaving rough edges after grooving, thus affecting the production quality of the flooring.

The utility model belongs to the field of guard board production equipment, especially relate to a be used for high -speed guard rail board galvanization device. Including setting below the galvanization groove, the both sides of galvanization groove top are provided with flue gas suction box, the top of flue gas suction box is provided with the guard board, the guard board sets up in flue gas suction box near galvanization groove one side, the side near galvanization groove of guard board is provided with mobile seat, mobile seat is along the guard board long side direction and is slidably arranged on the guard board, the utility model discloses the setting of flue gas suction box, effectively carries out the suction of the smoke and gas generated in the galvanization process, avoids producing visual interference, improves the service life of relevant component, simultaneously, through the setting of guard board, not only realizes the fixing frame of drive mechanism, also plays a certain protection function to personnel overhauls, finally, through the setting of salvage groove, realizes the salvage of dross, reduces the labor intensity, avoids the potential safety hazard.

The utility model belongs to the technical field of LED projection lamps, and particularly relates to a novel LED projection lamp which comprises a projection lamp body, a connecting disc body connected to one side of the projection lamp body and a projection lamp body installed in the connecting disc body, a lamp cover plate is arranged on the outer side of the connecting disc body, an extension cover body is arranged outside the lamp cover plate, and the extension cover body is connected with the projection lamp body. A clamping groove is formed in the position, corresponding to the inner edge side of the lamp cover plate, of the connecting disc body, and the inner edge side of the lamp cover plate is clamped into the clamping groove. The extension cover body is additionally arranged on the outer side of the projection lamp body, a certain rain-proof and waterproof effect can be achieved, the clamping effect between the lamp cover plate and the connecting disc body is matched with the rubber connecting ring clamped between the side of the lamp cover plate and the connecting disc body, and the extension cover body is matched with the extrusion effect on the lamp cover plate, so that the lamp cover plate is prevented from being damaged. And the lamp cover plate and the connecting disc body can be tightly connected together, so that the connection firmness and the sealing performance between the connecting disc body and the lamp cover plate at the projection lamp body on the projection lamp main body are enhanced.

This invention relates to the field of medical device technology, and in particular to a negative pressure drainage device for various chronic wound exudates. It includes a disposable drainage bag, a dressing, and a frame for connecting the disposable drainage bag and clamping it onto a hospital bed. It also includes a micro-negative pressure drainage drive unit located on the bottom side of the clamping unit to generate negative pressure inside the disposable drainage bag; and a fastener, a threaded structure, installed at the bottom of the frame, which is also connected to a moving plate via a transmission component. Through the cooperation of the fastener, transmission component, and moving plate, the micro-negative pressure drainage drive unit organically integrates the frame fixing operation with the negative pressure generation process. When the fastener is tightened and fixed to the hospital bed, it simultaneously drives the moving plate to reset and applies tension to the fixing spring, causing the first clamping plate to displace away from the second clamping plate, thereby pulling the drainage bag to form an outward expansion deformation, creating a continuous and stable micro-negative pressure environment inside the bag.

The utility model belongs to the technical field of environment treatment, and relates to a calcium carbide furnace operation environment comprehensive treatment system which comprises an annular dust collection unit, a feeder dust collection unit, a first dust removal unit and a second dust removal unit. The second dust removal unit, the feeder dust collection unit and the annular dust collection unit are arranged from top to bottom, the annular dust collection unit is communicated with the second dust removal unit, the feeder dust collection unit is communicated with the first dust removal unit located around the feeder dust collection unit, and the second dust removal unit is further communicated with the first dust removal unit. Flue gas overflowing from the calcium carbide furnace is efficiently sucked out through the second dust remover, meanwhile, flue gas flowing back from the feeder is exhausted through the first dust remover, the flue gas is treated in a centralized mode, comprehensive treatment of the environment of the calcium carbide furnace is achieved, CO is prevented from exceeding the standard, and it is ensured that the environment where personnel are located meets the requirement.

The disclosure provides a laundry treating apparatus. The clothes treating apparatus can perform specified treatment on an object to be treated, and comprises: a facing surface (2a) which is disposed facing the object to be treated when the treatment is performed; a supply unit that includes a discharge port (21A) that opens in the facing surface (2a) and is capable of supplying moisture to the object to be processed through the discharge port (21A); a suction unit that includes a suction port (22A) that opens on the facing surface (2a), and that is capable of sucking the moisture adhering to the object to be processed together with air through the suction port (22A); and a communication section (2S) that is exposed to the facing surface (2a) and that communicates the discharge port (21A) and the suction port (22A). Therefore, moisture supplied to the clothes can be effectively sucked.

The invention relates to a cooling and water metering control system and a cooling and water metering control method. The cooling and water metering control system comprises a heat exchange device and a water metering device, wherein the heat exchange device is used for regulating the temperature of fermented grains in a heat exchange manner; the water measuring control device is used for controlling the water content of the fermented grains, the equipment controller is respectively in signal connection with the heat exchange device and the water measuring control device, the heat exchange device comprises a reaction container and a negative pressure source, the reaction container is used for accommodating the fermented grains and has a stirring function, and the negative pressure source is used for providing a negative pressure suction effect for the reaction container; the equipment controller is configured to control working parameters of the negative pressure source according to changes of the temperature and the moisture content of the fermented grains in the reaction container, and the working parameters of the negative pressure source comprise output power and starting time duration. The method can solve the problems that the moisture and temperature of the fermented grains entering the cellar cannot be accurately controlled and the yield and quality stability of the white spirit cannot be ensured in the prior art.

The invention discloses a building muck removing and classifying device for a solid waste utilization sound barrier, and relates to the technical field of building material recycling equipment.The building muck removing and classifying device comprises a supporting table, supporting columns are fixedly connected to the four corners of the top of the supporting table, and a screening box is fixedly connected to the top ends of the four supporting columns; and three recycling boxes are arranged at the top of the supporting table. In the screening and classifying process of the building residue soil, the residue soil is firstly conveyed to the material crushing roller through the material guide groove to be crushed, then materials fall into the magnetic force belt to be conveyed, metal materials in the materials can be adsorbed by the magnetic force belt, and the metal materials are scraped to the recycling box on the right side under the action of the material scraping plate; and residual materials firstly fall on the inclined vibrating screen, fine particles can fall into the recycling box on the left side after screening, large fragments can fall into the recycling box in the middle after screening, the treatment efficiency of the building muck is remarkably improved through the series of screening and classifying steps, and the recycled muck materials can be conveniently used for preparing sound barriers.

The welding device for the unmanned aerial vehicle flight control damping support comprises a workbench, a welding machine and a protective cover, the welding machine is fixedly arranged in the middle of one side of the surface of the workbench, the protective cover is arranged below the welding machine, and the protective cover is located above the surface of the workbench. Fixing seats are arranged below the two sides of the bottom face of the protective cover, the two fixing seats are fixed to the two sides of the surface of the workbench correspondingly, two fixing rails are arranged on the inner sides of the two fixing seats and located below the inner side of the protective cover correspondingly, and a welding table is arranged above the fixing rails; and support parts are placed on the two sides of the surface of the welding table. According to the welding device for the flight control damping support of the unmanned aerial vehicle, the injury risk of sparks and splashes generated in the welding process to operators is reduced, the generation of welding peculiar smells is reduced through an efficient air suction purification system, the operation environment is improved, the welding hazard risk is reduced, and the operation safety is improved.

This application discloses a 3D printing post-processing workstation, which includes a worktable, a door, a mask, and a recycling device. The recycling device includes a recycling pipe, a first recycling section, a recycling tank, and a suction pump. The first recycling section is fixed to the door and has a first suction port, which opens at the upper end of the door. The suction pump draws the printing material sucked in from the recycling pipe and the first suction port into the recycling tank by creating negative pressure. Compared with existing technologies, this technical solution effectively improves the working environment and operating conditions for operators.

The utility model discloses a corner processing device of honeycomb board relates to corner processing device technical field of honeycomb board, including support base, support base top surface fixedly connected with cutting disc, the cutting disc top is equipped with push material mechanism, support base top surface is fixedly connected with the top plate through the connecting rod, the top plate top is equipped with dust extraction mechanism, dust extraction mechanism includes the dust extraction box fixedly connected in top plate top surface, dust extraction box one side surface fixedly connected with the three -way pipe, the top plate outside surface clamping fixedly connected with linear guide rail, linear guide rail below is equipped with segmentation mechanism, through being provided with dust extraction mechanism and dust extraction box, can in time, effectively suck the dust of producing when cutting, reduces dust diffusion, keeps the working environment clean, is favorable to the health of operator's body, also avoids dust to cutting equipment and honeycomb board and causes the adverse effect simultaneously.

The utility model provides a solar energy aluminum frame punching device, which relates to the technical field of solar energy aluminum frame punching, and comprises a punching device and a punching machine, the punching machine is arranged at the top of the punching device, a dust hood is arranged on the outer side of the punching machine, the top of the dust hood is connected with a connecting pipe, and the connecting pipe is connected with the punching device. And a treatment box is installed at one end of the connecting pipe, a suction fan is installed on the side face of the treatment box, and a collecting box is installed in the treatment box. The suction fan works to generate suction force, the dust hood effectively sucks and removes scraps generated by punching through the connecting pipe, the scraps are prevented from scattering everywhere, a working place is kept clean and tidy, meanwhile, the scraps are prevented from entering equipment, the working interruption time caused by scrap cleaning is shortened, and the working efficiency is improved. Therefore, the maintenance cost of equipment failure is reduced, and the production efficiency is improved.

The present invention provides a cell picking device that can efficiently aspirate cells in a sample. The aspiration arm is moved along the axial direction of the pipette tip in a manner that the pipette tip mounted on the aspiration arm is tilted relative to the vertical direction and the front end of the pipette tip contacts the bottom surface of the sample container. Next, the aspiration arm is moved in a manner that the front end of the pipette tip scans in the horizontal direction toward a specified position in the sample container. Next, the aspiration arm is further tilted at a specified angle in a manner that the front end of the pipette tip rises and the base end of the pipette tip descends at a specified position. Thereafter, the aspiration arm is actuated to aspirate the sample from the front end of the pipette tip.

The invention relates to a tunneling face dust control device which comprises an air pressing barrel arranged on one side of a tunneling roadway in the width direction and an air draft barrel arranged on the other side of the tunneling roadway in the width direction, and further comprises air guide devices arranged on the air draft barrel and the air pressing barrel correspondingly. The air guide device is located on one side of the tunneling roadway in the width direction and provided with a plurality of air ports which are arranged in a multi-layer mode and open towards the other side, and the included angle between the air flow guiding direction of the air ports and the radial plane of the tunneling roadway is adjustable. The air flow flowing through the multiple air ports of the air guide device arranged on the air draft barrel correspondingly forms a plurality of layers of negative pressure areas, the air flow flowing through the multiple air ports of the air guide device arranged on the air pressing barrel correspondingly forms a plurality of layers of air pressing dust control air curtains, and at least one negative pressure area corresponds to at least one air pressing dust control air curtain. According to the technical scheme provided by the invention, the blocking and treatment effects on dust in the tunneling roadway can be improved.

The utility model discloses a car lamp which comprises a rear cover and a lampshade, an LED lamp is installed on the rear cover, a supporting ring is fixedly arranged at the lower end of the lampshade, two clamping blocks are arranged on one side of the supporting ring, a clamping ring is fixedly arranged on the outer side of the rear cover, a shielding ring is fixedly arranged at the lower end of the clamping ring, and a first sealing ring is arranged on the outer side of the shielding ring. A mounting ring is arranged on the rear cover, a second sealing ring is mounted on the mounting ring, a matching ring matched with the mounting ring is fixedly arranged in the lampshade, and double-layer sealing can be performed between the rear cover and the lampshade, so that the sealing effect of the whole automobile lamp is improved, double-layer sealing is performed between the lampshade and the rear cover, and the service life of the automobile lamp is prolonged. Therefore, the sealing effect of the whole automobile lamp is improved, the water leakage phenomenon caused by untight sealing is reduced, water mist is prevented from being generated in the automobile lamp, parts in the automobile lamp are protected, the service life of the automobile lamp is prolonged, and normal use of the automobile lamp is guaranteed.

The utility model relates to the technical field of auxiliary equipment of belt conveyors, in particular to a dustproof sealing protection device of a belt conveyor, which comprises a dustproof cover, a dust collection mechanism, a sealing connection mechanism and a connection stabilizing mechanism, and the dust collection mechanism is fixedly connected to the top of the dustproof cover. According to the dust collection device, through the arrangement of the dust collection pipeline, the dust collection opening and the damping telescopic spring, dust generated in the dust cover can be actively and efficiently collected, the dust collection opening is matched with negative pressure generated by the dust collector, the dust catching efficiency can be greatly improved, and the dust is sucked into the pipeline through the dust collection opening and finally enters the dust collection box to be collected; meanwhile, a damping damper and a damping telescopic spring in the connection stabilizing mechanism are symmetrically distributed at the bottom of the dustproof cover, vibration in all directions during running of the belt conveyor can be effectively absorbed, the mutual influence between the device and the conveyor is reduced, the running stability and reliability of the device are remarkably improved, the service life of the device is prolonged, and the equipment failure rate is reduced; the maintenance cost is reduced.