45results about How to "Easy to disassemble, clean and maintain" patented technology

The invention discloses an efficient bearing grease injecting device. The efficient bearing grease injecting device comprises a working table, a lubricating grease barrel, a grease injecting gun, a cylinder, an electromagnetic valve, a pressure gauge and an air supply device; a bearing grease injecting tank is formed in the working table; multiple fixing frames are mounted on the working table; a control box is fixed on the working table; a control device and a power supply are arranged in the control box, and are connected by a lead; the lubricating grease barrel is mounted on the fixing frames; a temperature adjusting device is arranged at the bottom of the lubricating grease barrel; a grease outlet is formed in the lower end of the lubricating grease barrel; a grease inlet is formed in the grease injecting gun; the grease injecting gun and the lubricating grease barrel are connected by a grease conveying pipe; the cylinder is rightly above the grease injecting gun; a double-end piston is arranged in the cylinder; the two ends of the double-end piston are respectively connected with the cylinder and the grease injecting gun; the cylinder is connected with the electromagnetic valve; the two ends of the electromagnetic valve are connected with a time relay in parallel; the electromagnetic valve and the air supply device at the lower side are connected by an air conveying pipe; and the pressure gauge is connected with the air conveying pipe.

The invention discloses a convenient-to-disassemble and assemble dust collection head device, which comprises a dust collection machine body and a dust collection head for being connected with the dust collection machine body in a matched manner to provide electricity, wherein an inserting cavity is arranged in the bottom surface of the dust collection machine body; a first sliding chute is arranged in a top wall of the inserting cavity; two driven parts are bilaterally symmetrically arranged in the first sliding chute; and each driven part comprises a first sliding plate stretching into the inserting cavity downwards and a driven convex head arranged at the outer side of the bottom of the first sliding plate. The convenient-to-disassemble and assemble dust collection head device is simplein overall structure, safe and convenient to operate and convenient to disassemble, assemble, repair and clean; an electric shock accident when the dust collection head is assembled, disassembled andreplaced is effectively avoided; the life safety of a worker is ensured; and the convenient-to-disassemble and assemble dust collection head device is suitable for promotion and application.

The invention discloses a cleaning barrel with cleaning and dehydrating functions. The cleaning barrel comprises a cleaning barrel body, wherein the top side of the cleaning barrel body is opened; grooves are formed in the inner walls of two sides of the cleaning barrel body; moving grooves are formed in the inner walls of the bottom sides of the two grooves along a vertical direction; first slidegrooves are formed in the inner walls of two sides of the moving grooves; the same first slide block is movably mounted in the two first slide grooves; a moving rod is fixedly mounted at the top endof the first slide block; and the top end of the moving rod extends into the grooves and is fixedly provided with a connecting rod. After a mop is cleaned by the cleaning barrel body, the mop can be conveniently drained, and the mop can be well dehydrated by virtue of arrangement of a first water squeezing plate and a second water squeezing plate; and furthermore, a drain basket is convenient to disassemble, replace and maintain, so that the cleaning barrel body is more convenient to use, and the requirements of people are met.

The invention belongs to the technical field of soft and hard package mounting, and discloses a vertical face soft and hard package high-efficiency assembly type mounting structure. The mounting structure comprises a soft and hard package body and a mounting wall body used for mounting the soft and hard package body, multiple strip-shaped keels are fixedly connected to the side, close to the softand hard package body, of the mounting wall body, and a mounting panel is arranged on one side, far away from the mounting wall body, of the strip-shaped keels. Through mutual cooperation of the mounting wall body, the strip-shaped keels, the mounting panel, fixed hanging rods, movable grooves and limiting long rings, the soft and hard bag bodies can be moved in sequence from top to bottom or frombottom to top during mounting, the limiting long rings are sleeved with the corresponding fixed hanging rods, the soft and hard package bodies and the mounting panel can be stably connected without glue connection, the surface layer is prevented from falling off, alignment work can be completed when the limiting long rings is arranged in a sleeving mode, the construction efficiency is effectivelyimproved, meanwhile, the soft and hard package bodies are convenient to disassemble, clean and maintain, and convenience is brought to people in use.

The invention discloses an L245M hot-rolled coil plate roughing mill unit, and belongs to the technical field of hot-rolled coil plate machining. The L245M hot-rolled coil plate roughing mill unit comprises a base, a roughing mill, a descaling box and a winding roller frame, wherein the roughing mill, the descaling box and the winding roller frame are mounted on the base in sequence from left to right; the descaling box is mounted on the right side surface of the roughing mill; a water storage tank is arranged below the descaling box, and communicates with the descaling box through a communicating pipe; the water storage tank is mounted in a groove formed in the upper surface of the base; a high-pressure pump pumps water in the water storage tank to enter the descaling box for descaling operation; impurities generated by descaling are doped in the water to enter the water storage tank by the communicating pipe, and are filtered by using a filter screen, so that the water can be recycled to prevent wastes; the surface of the filter screen can be cleaned by using a brush to prevent the blockage phenomenon of screen holes; a mounting plate is fixed by using a bolt a, so that the filter screen is convenient to disassemble, clean and maintain; and the L245M hot-rolled coil plate roughing mill unit is simple in structure and convenient to use.

The invention discloses needle tubing drying equipment. The needle tubing drying equipment comprises a transparent PC board box. The top of the transparent PC board box is connected with a hot air machine in a sleeve joint manner. The hot air machine communicates with a hot air spraying hole in the upper portion of an inner cavity of the transparent PC board box. The right side of the transparentPC board box is connected with a discharge port. The left side of the transparent PC board box is connected with a feed port. A clamping groove of the feed port is connected with a first forward conveyor belt. The right side of the first forward conveyor belt is connected with a first ultraviolet disinfection lamp, the lower portion of the first ultraviolet disinfection lamp is connected with a first flexible baffle piece. The lower portion of the first forward conveyor belt is reversely and rotationally connected with a backward conveyor belt. The lower portion of the left side of the backward conveyor belt is connected with a second flexible baffle piece. The lower portion of the backward conveyor belt is reversely and rotationally connected with a second forward conveyor belt. The leftside of the second forward conveyor belt is connected with a second ultraviolet disinfection lamp. The lower portion of the second forward conveyor belt is connected with an electric heating wire net.The lower portion of the electric heating wire net is connected with an aluminum foil piece. The needle tubing drying equipment is simple in structure, and by means of modular connection, maintainingis easy.

The invention discloses a wine brewing raw material stirring device for wine brewing. The device comprises a frame body and a scraping blade, wherein universal wheels are installed at the bottom of the frame body; a first rotating rod is arranged in and connected with the frame body; a rotating wheel is fixed onto one end of the first rotating rod; one side of the first rotating rod is sleeved with a first gear; one side of the first gear is connected with a second gear; and one side of the second gear is connected with a third gear. According to the wine brewing raw material stirring device for wine brewing, the first rotating rod is arranged and can rotate through the rotating wheel, so when the first rotating rod rotates, the first gear can be driven to rotate; when the first gear rotates, the second gear and the third gear can be driven to rotate; when the third gear rotates, the first rotating shaft can be driven to rotate; when the first rotating shaft rotates, the stirring box can be driven; and when the stirring box rotates, wine brewing raw materials in a stirring box can be toppled over, so the wine brewing raw materials can be conveniently and rapidly poured out after being stirred.

The invention discloses a fan for a fuel gas heating water heater in the technical field of fans. Wind output holes are uniformly formed in the left side of a shell. A shell cover is arranged on the right side of the shell. Wind input holes are uniformly formed in the shell cover. A limiting ring is arranged on the left side of an inner cavity of the shell. A motor base is arranged on the middle portion of the inner cavity of the shell. Multiple fan blades are uniformly arranged on the outer wall of an installing ring. A dustproof baffle is arranged on the right side of the inner cavity of theshell. By means of a primary filter screen of the inner cavity of the dustproof baffle, dust can be prevented from entering the inner cavity of the shell, by means of cooperation with an efficient filter screen, the dust can be isolated from entering the shell, a holding rod and a sliding block are matched with a connecting plate and bristles to clear the efficient filter screen, the situation ofblocking of the fan is prevented, and the service life of the fan is prolonged. The shell cover is rotated through a pin shaft, and the shell can be opened rapidly. By means of an elastic buckle, thedustproof baffle is disassembled from the inner cavity of the shell, periodic cleaning and maintaining are facilitated, the practical performance is improved greatly, and the use requirement is met.

The invention discloses an automatic rapid smoke-free barbecue machine. The automatic rapid smoke-free barbecue machine comprises a machine base, a left gridiron cover, a right gridiron cover and an oil collecting support. The oil collecting support is installed on the machine base. The oil collecting support is provided with a stew-pan base. A charcoal fire basket is placed in the stew-pan base.A stew-pan can be placed on the stew-pan base. The machine base at the rear side of the stew-pan base is provided with an air bellow for supplying oxygen to the charcoal fire basket. The left gridironcover and the right gridiron cover are hinged and installed on the machine base at the left side and the right side of the stew-pan. The left gridiron cover and the right gridiron cover are providedwith baking stick fixing grooves and clamping transmission cases for automatically driving baking sticks to be rotated. A baffle is installed or a front gridiron cover is hinged in front of the stew-pan base. The front gridiron cover is provided with the baking stick fixing groove. The automatic rapid smoke-free barbecue machine is capable of adjusting the fire behavior, automatically overturningskewers, and enabling the skewers to be uniformly heated.

The invention discloses an on-line back flushing residue water afterheat heat exchange device in the field of a heat exchanger. A residue water heat exchanger main body consists of an upper spiral heat exchange core body and a lower spiral heat exchange core body; a residue water main inlet pipe is connected to a residue water inlet pipe through a valve F1; the residue water main inlet pipe is connected with an elliptical seal head through a valve F3 and a back flushing inlet pipe connected with the residue water main inlet pipe; meanwhile, a valve F4 is arranged between a back flushing outlet pipe and a residue water main outlet pipe; a valve F2 is arranged between the residue water main outlet pipe and a residue water outlet pipe; and a residue water filter and a residue water expansion device arranged at the bottom of the residue water filter are arranged at a lower inlet of a residue water passage of a residue water inlet. The on-line back flushing of the heat exchange device can be realized, and the mutual back flushing between the back flushing and the normal heat exchange can be realized. The on-line back flushing residue water afterheat heat exchange device has the advantages that the conception is novel and unique; the structural design is compact and reasonable; anti-blocking and wear-resistant effects are achieved; the service life is prolonged; the heat exchange efficiency is obviously improved; the work performance is stable and reliable; the assembling, the disassembling, the cleaning and the maintenance are convenient; a better humanized effect is achieved; the operation is easy; the heat recovering efficiency is high; energy is saved; and the on-line back flushing residue water afterheat heat exchange device is suitable to be widely popularized in industry, and the like.

The invention provides a multifunctional polyurethane reaction kettle condensation recovery device which comprises a reaction kettle body, a gas phase outlet pipe, an alcohol-water separator, a connecting pipe head, a gas guide pipe, a condenser, a condensate water guide pipe, a flow guide pipe, a butt joint and a buffer tank, and the upper outlet of the reaction kettle body is in threaded connection with the gas phase outlet pipe; and the upper end of the gas phase outlet pipe is in threaded connection with the alcohol-water separator. The arrangement of the gas phase valve, the antifouling adsorption box, the adsorption net, the exhaust fan, the dismounting cover, the exhaust pipe and the impurity filtering net is beneficial to exhaust treatment of waste gas, environmental pollution is avoided, gas in the reaction kettle body is exhausted by opening the gas phase valve, and deep adsorption and filtration are performed through the adsorption net in the antifouling adsorption box, thegas can be discharged after being filtered by the impurity filtering net in the exhaust pipe; the exhaust efficiency can be improved through the exhaust fan, the exhaust effect is guaranteed, cleaningcan be conducted by taking down the dismounting cover and the exhaust pipe, and maintenance is convenient.

The invention discloses a paper currency recognition device arranged in an ATM, which comprises an upper support mechanism, a lower support mechanism, transport rollers, a sensor group, a controller, bolt-nut assemblies, a fine tuning panel, and a fine tuning bolt. The upper support mechanism and the lower support mechanism are combined and the combination surface of the upper support mechanism and the lower support mechanism is provided with a paper currency transport path channel. The transport rollers are located on the two sides of the paper currency transport path channel. The controller receives the characteristics of paper currency that are detected by the sensor group, then recognizes the species of the paper currency and distinguishes the authenticity of the paper currency. A plurality of fixed screw holes symmetrically pass through the interiors of the upper and lower support mechanisms. The bolt-nut assemblies are arranged inside the fixed screw holes. The side surface of the lower support mechanism is fixedly connected with the fine tuning panel. The fine tuning panel is provided with a threaded hole. The fine tuning bolt is penetrated through the threaded hole. According to the technical scheme of the invention, the operation stability of the device is reinforced. In this way, the detecting deviation phenomenon caused by the deviation between the upper and lower parts of the sensor group is hard to occur. Therefore, all parts of the sensor group can be aligned at a high precision, so that more accurate measurement values can be obtained.

The invention discloses a flowing type nutrient solution circulating supply vegetable planting frame, and belongs to the technical field of vegetable planting. The flowing type nutrient solution circulating supply vegetable planting frame comprises a bottom plate, wherein a step frame is fixedly mounted on one side of the bottom plate, a plurality of mounting assemblies are fixedly mounted at the end of the step frame, a plurality of planting mechanisms which are uniformly distributed are fixedly mounted on the sides, away from the step frame, of the mounting assemblies, and a connecting assembly is fixedly mounted between every two adjacent planting mechanisms. The invention further discloses a vegetable planting method. By arranging the planting mechanisms, when vegetables are matured and need to be picked, a second barrel and an inner barrel can be rotated, at the moment, a fixing frame and the vegetables are separated from a first top frame, and the vegetables are in an inclined state until the inner barrel makes contact with a limiting frame, rotation of the inner barrel is limited, the fixing frame is detached from a second top frame, so that the vegetables can be conveniently separated from the planting mechanisms, the phenomenon that vegetable rhizomes are damaged when the vegetables are directly pulled out of the planting mechanisms is effectively prevented, and the planting effect of the vegetables is improved.

The invention discloses an installation method of a nuclear power station seawater liquid level measurement instrument, and the method comprises the following steps of: S1, arranging a measurement pit on an installation platform at the top of a pool according to a measurement position, and forming a hole communicated with the pool in the measurement pit; S2, positioning a protection guide pipe below the hole and communicating the protection guide pipe with the hole relatively ; S3, lowering a cable of the liquid level measurement instrument, and lowering the cable and a probe at the end of the cable into the protection guide pipe; and S4, placing a joint of the liquid level measurement instrument in the measurement pit, and fixing the joint at the opening of the hole. According to the installation method of the nuclear power station seawater liquid level measurement instrument, the probe and the cable are protected through the protection guide pipe, and the probe is prevented from drifting and colliding with other objects due to long-term impact of water flow or other substances to result in that the instrument is inaccurate in measurement or damaged, meanwhile, the cable connected with the probe is prevented from being damaged by long-term gravity traction of the probe.

The invention discloses a dedusting head device, comprising a dedusting body and a dedusting head for cooperating with the dedusting body to supply power. A plug cavity is arranged on the bottom surface of the dedusting body, and a first sliding block is arranged in the top wall of the insertion cavity. The first sliding connection groove is provided with two driving guide members in a left-right manner, each of the driving guide members includes a first sliding connection plate extending downward into the insertion cavity and a first sliding connection plate arranged in the first sliding connection groove. A driving convex head on the outer side of the bottom of the sliding plate, the overall structure of the invention is simple, the operation is safe and convenient, and it is convenient for disassembly, maintenance and cleaning, effectively avoiding the electric shock accident when installing, disassembling and replacing the dust removal head, and ensuring the life safety of the staff. , suitable for promotion.

The invention discloses a ventilation fan with a protective mechanism. The ventilation fan comprises a fan installing barrel, a driving device is fixedly installed in the middle of an inner cavity ofthe fan installing barrel, and a blade assembly is fixedly installed in the middle of the top of the driving device; the top and the bottom of the inner cavity of the fan installing barrel are symmetrically and fixedly provided with dust screens, and the two ends of the top and the bottom of the fan installing barrel are symmetrically and fixedly connected with connection rings; the left sides andthe right sides of the side surfaces, away from each other, of the two connection rings are symmetrically provided with first rotation grooves, and first guide columns are fixedly connected to the middles of the inner walls of the bottoms of the first rotation grooves; and the top and the bottom of the fan installing barrel are symmetrically provided with protective barrels. According to the ventilation fan with the protective mechanism, through cooperative operation of the protective barrels and sand prevention nets, sand is intercepted, and protection is provided for the blade assembly; andthrough moving of pressing rings on connection columns, clamping and fixing of U-shaped fixing clamping plates to connection rings and installing rings are completed, and a firm foundation is provided for connection between the fan installing barrel and the protective barrels.

The invention relates to a valve device for an exhaust duct. The valve device comprises a first check valve body (1) and a second check valve sheet (2), wherein the second check valve sheet (2) is arranged on the first check valve body (1) through a hinging shaft (3) and a channel in a check valve is closed upwards; the hinging shaft (3) is located at the lower part of the first check valve body (1) and a counter weight body (4) is arranged on the check valve sheet below the hinging shaft (3); and the weight of the counter weight body (4) is matched with the weight of the second check valve sheet (2). The valve device for the exhaust duct, provided by the invention, has the characteristics of reasonable structure, capability of preventing the check valve sheet from being stuck, and convenience for detaching, cleaning and maintaining and the like; the work state and the structure form of the check valve sheet are completely changed so that the check valve sheet and the check valve body are not stuck with each other; and therefore, the valve device for the exhaust duct is applicable to the exhaust ducts of all buildings and houses.

The invention discloses a bill pasting device, and belongs to the technical field of office supplies. The bill pasting device mainly comprises a glue tank, a gland, a cylindrical gluing roller in the glue tank and a gland opening and closing driving mechanism; by using the driving mechanism, the gland can be opened and closed relative to the glue groove; when the gland is opened at a large angle, the paper can enter the space between the gluing roller and the gland; and when the gland is opened at a small angle, a narrow and bent paper outlet channel is formed among the lower surface of the gland, the gluing roller and a glue notch. When paper is drawn out of the channel, the gluing roller can be driven to rotate, and glue in the glue groove is smeared to the lower surface of the paper. When the bill pasting device is not used, the gland tightly covers the notch of the glue tank to prevent the glue from being dried and solidified. The invention aims to provide the bill pasting device. A user is helped to quickly and conveniently paste bills such as invoices and vouchers or other paper flatly, glue and time for coating the glue are effectively saved, and the glue is prevented from being adhered to hands or other places without being coated with the glue.

The invention provides a grating for environment-friendly treatment of sewage, and relates to the technical field of environment-friendly treatment of sewage. A grating for environment-friendly treatment of sewage comprises a mounting base and a plurality of grating assemblies, wherein the mounting base is in a U shape, sliding grooves used for being connected with the grating assemblies in a clamped mode are formed in the two opposite inner side walls of the mounting base, and the multiple grating assemblies are detachably connected with the mounting base. Since the mounting base is in a U shape, the grating assemblies can be quickly spliced along the top opening of the mounting base, the grating assemblies can be quickly disassembled and assembled through the sliding grooves formed in the mounting base, the working process of mounting the grating assemblies by workers can be shortened, and the efficiency of cleaning and maintaining the grating assemblies is improved. According to the invention, the plurality of grating assemblies are mounted in the mounting base, so comprehensive blocking treatment of sewage is realized, and filtering effect is improved; and meanwhile, the grating assemblies and the mounting base are detachably mounted, so a worker can conveniently dismount, maintain and clean the grating assemblies, and the practicability of the grating is greatly improved.

The invention discloses a protective air compressor with a quick-release noise isolation mechanism and a quick-release method, and belongs to the technical field of air compressors, the protective air compressor comprises a protective shell, rollers are arranged at four corners of two sides of the protective shell, two sides of an inner cavity of the protective shell are movably connected with an air compressor body through clamping mechanisms, and one side of the air compressor body communicates with a direction adjusting mechanism; and the top of the direction adjusting mechanism communicates with an air inlet mechanism, and a junction box is arranged at the top of the protective shell. According to the multi-stage noise reduction silencer, multi-stage noise reduction and speed reduction are carried out through the multiple sliding seats with different inner diameters, speed-reduced air can enter the air inlet bent pipe on one side through the noise reduction shell and is refracted through the arc-shaped noise reduction plate on one side for noise reduction, the flow speed and impact pressure of direct blowing air are reduced through cooperation of the air inlet bent pipe, and impact of the high flow speed of airflow on the inlet guide vane is avoided; surge noise of the inlet guide vane is reduced, noise generated when the air compressor body exhausts and intakes air can be reduced, and the service life of the silencing pipe and the service life of the inlet guide vane in the air compressor body are effectively prolonged.

The invention discloses a combined groove structure for processing a wiredrawing batten. The structure comprises a fixed vertical plate, a transverse groove plate is arranged on the side wall of the fixed vertical plate, and a movable vertical plate moving towards or away from the fixed vertical plate is arranged at the outer side of the transverse groove plate. The inner wall of the fixed vertical plate, the inner wall of the movable vertical plate and the upper end of the transverse groove plate are enclosed to form a groove through which the batten can pass, a rotating shaft is arranged above the groove, a wire drawing disc is arranged on the rotating shaft, and the wire drawing disc enters the groove to perform wire drawing operation on the batten. The groove is defined by the fixed vertical plate, the movable vertical plate and the transverse groove plate, the batten is pulled through the groove, disassembly, maintenance and cleaning can be facilitated through the combined groove form, the situation that positioning needs to be conducted again after the wire drawing disc is disassembled is avoided, a supporting shaft is arranged in the movable vertical plate, a sleeve roller is installed, therefore the pulling plate is pressed, plate warping is avoided, and the structure disclosed by the invention is simple and convenient to maintain.

The invention relates to the technical field of shoe upper processing equipment, and discloses a shoe upper drying device with a thermal cycle function, which includes a casing, a drying tank is provided on the top of the casing, and the bottom of the drying tank is fixed A restricting tube is installed, and a slider is fixedly installed on the inner side of the restricting tube, and a connecting ring is slidably connected to the restricting tube through a slider, and a movable supporting plate is fixedly installed on the top of the connecting ring, and There is a relief groove, the bottom of the relief groove is fixed with a plastic plate, and the bottom of the movable supporting plate is fixed with a spring that is located inside the connecting ring and the bottom is in contact with the bottom wall of the drying groove. A control groove located below the spring and connected to the drying tank is opened inside the housing, and a Hall switch is fixedly installed on the inner bottom wall of the control tank. The shoe upper drying device with heat circulation function has the advantages of being able to dry the shoe uppers and saving energy at the same time.

The invention discloses a cleaning device for instrument processing. The cleaning device comprises a box body, a hydraulic rod, top plates, a vertical plates, a filter screen plate, supporting plates and partition plates, wherein the vertical plates are located at the bottom ends of the top plates; the top ends of the vertical plates are fixedly connected with the bottom ends of the top plates, and the supporting plates are arranged at the bottom ends of the vertical plates; the supporting plates are clamped at the bottom ends of the vertical plates; the partition plates are arranged at the bottom end of the supporting plates, and fixedly connected with the inner side wall of the box body; guide rods are fixedly connected to the bottom ends of the supporting plates, and guide holes are formed in the surface of the partition plates; the guide rods penetrate through the guide holes, and first springs are arranged between the supporting plates and the partition plates; and the surfaces of the guide rods are sleeved with the first springs. A plurality of filtering plates are distributed between the two and vertical plates at equal intervals, sliding blocks can be slide along sliding grooves until second springs on the surfaces of movable rods are compressed, meanwhile, locating columns are separated from locating holes, and at the moment the filter screen plates can be detached and cleaned.

The invention discloses improved equipment for preparing hypochlorous acid water. The equipment comprises a preparation barrel, a mounting seat and a U-shaped clamping seat, an electrode plate I, an electrode plate II, a drain valve, a control power supply, a power supply cable, a hypochlorous acid water drain valve, a supporting column, an adjusting pipe, a square head bolt, a supporting base, adetachable water filtering adsorption hopper structure, a detachable stirring mixing rod structure and a hypochlorous acid water collecting anti-fouling bottle structure, wherein the mounting seat istransversely connected to the middle part in the preparation barrel through bolts; and the U-shaped clamping seat is sequentially connected to the bottom of the inner side of the preparation barrel through screws from left to right. Through arrangement of a water guide hopper, a cleaning pipe, a detachable cover, a detachable handle, a pull rod, a cleaning net and an adsorption sheet, impurities in incoming water can be filtered out, cleaning can be conducted, and the purity of prepared hypochlorous acid water is guaranteed.

The invention discloses a convenient-to-clean de-dusting head device. The device comprises a de-dusting machine body and a de-dusting head which is in matched connection with the de-dusting machine body so as to supply power for the de-dusting machine body; an insertion cavity is formed at the bottom surface of the de-dusting machine body; a first sliding groove is formed in the top wall of the insertion cavity; two driving and guiding components are symmetrically disposed at the left and right side of the first sliding groove; and each driving and guiding component includes a first sliding plate extending downwards into the insertion cavity and a driving and guiding protrusion head disposed at the external side of the bottom of the first sliding plate. The convenient-to-clean de-dusting head device of the invention has the advantages of simple overall structure, safe and convenient operation, and convenience in disassembly, maintenance and cleaning. With the convenient-to-clean de-dusting head device of the invention adopted, electric shock accidents occurring during the installation, disassembly and replacement of the de-dusting head can be avoided, the life safety of staff can be ensured, and therefore, the convenient-to-clean de-dusting head device is suitable for being popularized.

The invention discloses a pressure reduction and dust prevention mold for metal bar processing in the technical field of metal bar processing. The pressure reduction and dust prevention mold for metalbar processing comprises a lower base plate. A dustproof cover is fixedly arranged on the top of the lower base plate. A matched brush piece is attached to the position, close to the left side, of the top of a lower mold plate. The top of the brush piece is provided with a connecting host communicating with the brush piece. A rack matched with a gear is arranged at the bottom of a movable guide rod. According to the pressure reduction and dust prevention mold for metal bar processing, a negative pressure fan in a dust removal part generates negative pressure at a through hole through the connecting hose and then discharges dust in the dustproof cover to a PTFE coated filter material in the dust collection box to achieve the pressure reduction and dust suction and collection functions. Meanwhile, the pressure reduction and dust prevention mold is provided with the movable guide rod, a guide sleeve, the gear, a servo motor, a limiting block II and a preset spring, drives the movable guide rod to do left-right reciprocating movement through cooperation of the servo motor, the gear and the rack, then drives the brush piece to do left-right reciprocating movement, removes stubborn dustleft on the lower mold plate through contact between bristles and the lower mold plate and improves the cleaning quality.

The invention discloses an automobile wheel sealing assembly which comprises a sealing outer disc, a sealing inner disc, a magnetic attraction fixing base and a centrifugal impeller fixedly installed on one side of the sealing outer disc, the sealing inner disc is fixedly connected to the outer side of the centrifugal impeller in a sleeving mode, a cavity is formed by the sealing inner disc and the side face of the sealing outer disc, the magnetic attraction fixing base is rotationally connected to the outer side of the centrifugal impeller in a sleeving mode and located in inner cavities of the sealing outer disc and the sealing inner disc, and the surfaces of the sealing outer disc and the sealing inner disc are of an arc-shaped curved surface structure. According to the invention, the relatively static centrifugal impeller structures are arranged in the sealing outer disc and the sealing inner disc, and the gravity of heavy hanging strips droops to keep static in the rotating motion of the sealing outer disc and the sealing inner disc along with the wheel rim, so that the relative motion with the sealing outer disc is formed; and air flow entering one side of the inner concave cavity surface is guided and input into the wheel rim to efficiently dissipate heat of a brake assembly, so that stable work of the brake mechanism is ensured.