41results about How to "Affect fixed" patented technology

The invention relates to a hoisting device for a building plate. The hoisting device comprises a positioning device, a pre-hoisting device and a supporting device. The pre-hoisting device is mounted at the upper end of the positioning device, and the supporting device is mounted at the lower end of the pre-hoisting device. The pre-hoisting device comprises a fixed long column, a first electric push rod, a sliding plate, a first telescopic support, a supporting plate and a clamping frame. According to the hoisting device, the equipment is positioned through the positioning device, the pre-hoisting device cooperates with the supporting device, a cement plate attached to the ground is separated from the plane for the first time, the left side and the right side of the cement plate are separated from the plane in sequence, and the front side, the rear side, the left side, the right side and the lower end of the cement plate are fixed in the separation process, so that the aim of fixing thecement plate is achieved; and meanwhile pressure locally borne by the cement plate in the transportation process is reduced, so that the cement plate is prevented from being damaged in the transportation process.

The invention discloses an adjustable device for fixing and easily replacing a silica gel bar, which comprises a first fixed seat and a second fixed seat respectively positioned at two ends, wherein the first fixed seat and the second fixed seat are respectively fixed on respective adhesive patches; adhesive layers are arranged at the bottoms of the adhesive patches; a connecting strip is arranged on the first fixed seat; a plurality of clamping holes are formed in the connecting strip; clamping columns are arranged on the second fixed seat; the clamping columns can be clamped into the clamping holes. The adjustable device has the benefits that as the first fixed seat and the second fixed seat can be fixed on the two sides of the silica gel bar on a wound or a scar of a patient through respective adhesive layers; the clamping columns are clamped into the corresponding clamping holes of the connecting strip, so that the first fixed seat is connected with the second fixed seat and skin on two sides of the wound can be stitched without tension; as to the scar treatment, the silica gel bar covering the scar is fixed and compressed so as to prevent the silica gel bar from falling off, the curative effect is enhanced, and the silica gel bar covering the scar can be replaced conveniently at the same time. The adjustable device is suitable for wounds and scars with different sizes.

The invention discloses a fresh-keeping transportation device for semi-finished lactic acid bacteria fermented food, which includes a box body, a baffle plate and a refrigerator room. A handle is installed on the left side of the box body, and a rotating shaft is arranged on the upper left side of the box body. A cover is fixed above, and a bolt is installed on the right side of the cover, a cover is provided above the baffle, a water storage chamber is fixed below the refrigerator, and a drain is installed in the middle of the bottom of the water storage , the left side of the drain is provided with a wheel, the inside of the cover is fixed with a sealing ring, and a fixing plate is installed under the sealing ring, the inside of the baffle is provided with a damping spring, and the top of the baffle A chute is connected, and an extruding block is fixed on the right side of the chute. The fresh-keeping transportation device for semi-finished lactic acid bacteria fermented food is provided with a cover and a sealing ring, the whole device is sealed by the cover, and the sealing ring makes the sealing of the cover better, thereby preventing external impurities from entering the whole device.

The invention discloses an intelligent prefabricated beam pedestal. The intelligent prefabricated beam pedestal comprises two tracks, the two tracks are arranged in parallel, and arranged in the direction of the prefabricated beam construction process; a pedestal body comprises a first-stage supporting box, a second-stage supporting box and a three-stage supporting box, wherein the first-stage supporting box, the second-stage supporting box and the three-stage supporting box are fixedly arranged in sequence from bottom to top. The first-stage supporting box is slidably arranged on the two tracks, a plurality of cross beams are arranged in the first-stage supporting box and the second-stage supporting box at intervals in the length direction of the prefabricated beam, and the cross beams are arranged in the width direction of the prefabricated beam. The three-stage supporting box comprises a plurality of channel steel fixedly arranged at the top end of the three-stage supporting box atintervals in the width direction of the prefabricated beam and top surface steel plates horizontally arranged on the top surface of the multiple channel steel to support the prefabricated beam, and the channel steel is arranged in the length direction of the prefabricated beam. According to the intelligent prefabricated beam pedestal, the free movement in each area of the pedestal body is realizedthrough the sliding of the pedestal body on the tracks, the construction of the prefabricated beam in different positions and transport beam bodies are met, so that mechanical equipment is fully utilized, the site is saved, and the production efficiency is improved.

The invention relates to a wig drying device which comprises a box. Supporting legs are fixedly connected to the lower end of the box, belt type conveying mechanisms are arranged in the box, the discharging end of each belt type conveying mechanism is located over the feeding end of the adjacent lower-layer belt type conveying mechanism, each belt type conveying mechanism comprises a driving roller and a driven roller, the driving rollers and the driven rollers are in transmission connection through annular high-temperature-resistance meshed belts, electric heating pipes are arranged between the high-temperature-resistance meshed belts, LED heating lamps are arranged in the box, a support is arranged on the left side of the box, and an infrared heater is connected into the support. A temperature sensor and a humidity sensor are arranged in the box, a heat preservation layer is arranged on the inner wall of the box, humid discharging holes are formed in the top and the bottom of the box, a PLC is arranged on the outer wall of the box, and the temperature sensor, the humidity sensor, the LED heating lamps, the infrared heater and the PLC are all electrically connected. The wig dryingdevice has the advantages of being simple in structure, convenient to operate, complete in function, low in cost, high in practicability and high in efficiency.

The invention discloses a product clamping mechanism for a clothes production line. The product clamping mechanism comprises a first fixing frame, a moving unit, an adjusting unit and a second fixingframe; as for the first fixing frame, the second fixing frame and the first fixing frame are arranged in a left-right corresponding mode, stabilizing units are arranged on the two sides of the bottomend of the first fixing frame and the two sides of the bottom end of the second fixing frame, and fixing units are arranged at the front end and the rear end of the left side face of the first fixingframe; and the moving unit comprises a first linear motor, a fixing plate, an electric telescopic rod, a supporting plate, second linear motors, a main motor and a rotating shaft, the two second linear motors are arranged at the top ends of the inner side faces of the first fixing frame and the second fixing frame correspondingly, stators at the two ends of the first linear motor are connected with the inner side faces of rotor bases of the two second linear motors correspondingly, and fixing plates are arranged on the left side and the right side of a rotor base of the first linear motor. Theproduct clamping mechanism for the clothes production line has the advantages that the use is simple, the adjustment is convenient, the clamping is firm, and the practicability is high.

The invention provides a phosphorus pentoxide transportation protection barrel. The phosphorus pentoxide transportation protection barrel comprises a cover, a shell, a storage chamber, a filling chamber, handles, grooves, a barrel opening, an inner wall groove, columns, circular openings, upper clamping blocks, lower clamping blocks, bearing columns, magnets, an annular groove, an upper annular bayonet, a lower annular bayonet, upper objects, concave bayonets, lower objects and springs. When in use, the cover with the annular groove inside is arranged, and the annular groove is just clamped with the columns, so that when the cover is rotationally connected to the shell through the inner wall groove, the columns are clamped in the annular groove, the storage chamber is thus sealed, and pollution caused by moisture entering the storage chamber can be prevented; and the columns in annular structure are arranged, and the circular openings inside the columns are just clamped with the bearing columns, so that the movement of the bearing columns is stabilized, and the dislocation of the receiving post is prevented from affecting reinforcement.

The invention discloses a drainage instrument for the thoracic surgery department, and relates to the technical field of drainage devices.The instrument comprises a supporting plate and a negative pressure drainage device assembly, wherein the negative pressure drainage device assembly is fixedly connected to the top of the supporting plate; a drainage tube is installed on the top of the negative pressure drainage device assembly, and one end of the drainage tube is fixedly connected with a fixing tube in a sleeved mode. A threaded pipe is fixedly connected to the fixed pipe in a sleeving mode, a rotating cylinder is connected to the threaded pipe in a threaded mode, a first pressing ring is arranged at the bottom of the rotating cylinder, and a plurality of first spring rods which are evenly distributed are fixedly connected to the bottom of the first pressing ring. According to the device, the drainage tube is inserted into a surgical wound, the main fixing base is buckled on the body of a patient, and the joint of the wound and the drainage tube is shielded; then a rotating cylinder is rotated to drive a second pressing ring to press a main fixing seat, so that a first adhesive ring is adhered to the body of the patient, and the drainage tube is fixed; meanwhile, the wound is sealed, and air leakage is prevented.

The invention belongs to the technical field of medical instruments, and particularly discloses an accurate puncture positioning and supporting system for minimally invasive puncture for intracranialhematoma. The system comprises two accurate supporters, each accurate supporter comprises a supporting device, the supporting devices comprise bottom plates, supporting plates, first siding plates andsecond siding plates, the first siding plates and the second siding plates are perpendicularly and oppositely arranged on the bottom plates, two sliding holes are formed in the first siding plates and the second siding plates at intervals, top plates are arranged at the top ends of the first siding plates and the second siding plates, studs corresponding to the sliding holes are arranged on the top plates, two nuts are arranged on the studs in a sleeving manner, the supporting plates comprise head supporting plates and pillow supporting plates, two symmetric connecting plates are arranged attwo opposite edges of the head supporting plates and the pillow supporting plates, a sliding hole is formed in each connecting plate, each stud penetrates the sliding hole in the corresponding connecting plate, and each connecting plate penetrates the corresponding sliding hole in the corresponding side plate and is positioned between the two nuts. According to the supporting system, a head of a patient can be flexibly, standardly and horizontally fixed, so that the minimally invasive puncture accuracy of the intracranial hematoma is improved.

The invention discloses a non-return power cable take-up and pay-off device. The device comprises a rack body and a winding roller part, a moving roller is arranged at the bottom of the rack body; a mounting vertical rod frame is arranged on the rack body, and a rod winding and unwinding shaft is mounted on the mounting vertical rod frame. The winding roller part is fixed on the winding and unwinding shaft; one end of the winding and unwinding shaft is connected with a winding and unwinding motor arranged on the mounting vertical rod frame; the winding roller part is composed of a winding roller and side baffles fixed to the two ends of the winding roller. Limiting mechanisms are arranged at the two end parts of the winding and unwinding shaft; each limiting mechanism comprises a mountingiron ring rotationally mounted on the winding and unwinding shaft and an electromagnetic block fixed on the mounting vertical rod frame; a plurality of annularly-distributed supporting rods are arranged on the outer wall of the mounting iron ring, friction plates with the front faces facing the side baffles are arranged at the ends of the supporting rods, a plurality of protruding edges are arranged on the friction plates, and the mounting iron ring is connected with the electromagnetic block through a reset spring. The cable take-up and pay-off device is simple in structure, simple and convenient to operate and high in practicability, and the situation that the end of a cable cannot be fixed after being taken up and paid off due to inertia after the cable is taken up and paid off is avoided.

The invention discloses auxiliary equipment of a golden armor system, which comprises a base, a main body is fixedly connected to one side of the top end of the base, a partition plate is fixedly connected to the middle of one side of the main body, a top plate is fixedly connected to the top end of the main body, supporting column blocks are fixedly connected to two ends of the top plate, and a dustproof mechanism is arranged at the top end of the top plate. A plug clamping mechanism is arranged on one side of the main body, and a winding mechanism is arranged on one side of the top end of the base. The dustproof device has the beneficial effects that the dustproof effect of the whole device can be improved, dust can be prevented from entering the jack to influence a signal connected with a data line, a connecting plug can be conveniently fixed, the plug can be prevented from being separated from the jack, and the safety of plug and jack connection can be improved.

The invention discloses a winding structure wall pipe with a positioning structure, and provides a production process of stably burying a positioning structure at a time in the pipe production. The structure wall pipe comprises a main pipe body formed by connecting one or more segments of branch pipe bodies and ribbed pipes winding spirally and at equal distances from one ends of the outer walls of the branch pipe bodies to the other ends, and the two ends of the ribbed pipes are closed or indented. One ends of inner cavities of the ribbed pipes are filled with positioning structures for positioning the geographical position of the branch pipe bodies, the positioning structures comprise electronic identification devices, and the electronic identification device are covered with thermal insulation layers in a sealing mode. The outer surfaces of the thermal insulation layers are elastic structures which can be extruded by the inner cavities of the ribbed pipes and capable of being fixedto the relative position of the ribbed pipes. The structure wall pipe improves the construction efficiency, enables the positioning and reading and writing information to be more accurate, and can avoid damage to the pipe.

The invention discloses a working method of a charging pile for a new energy automobile. Charging equipment is included. According to the charging pile for the new energy automobile, through the cooperation of a positioning cylinder and a limiting cylinder, a movable rod is prevented from falling out of the charging equipment in the moving process, and the power transmission efficiency is prevented from being influenced; through the cooperation of compression springs and connecting rods, the two connecting rods are kept in a connected state in the using process, the situation that in the charging process, the two connecting rods are loosened, and consequently the automobile cannot be charged is avoided; and through arrangement of a pushing rod 10, the situation that the automobile is on fire in the charging process, and the safety of people is affected is avoided.

The invention discloses a waterproof board operation trolley for tunnel construction. The waterproof board operation trolley for tunnel construction comprises a trolley rack, an arc top frame and a laying operation trolley, wherein the laying operation trolley is arranged on the arc top frame and moves on the arc top frame; a mounting frame is fixed onto the laying operation trolley; a waterproof board winding wheel is arranged on the mounting frame; the laying operation trolley is further provided with a pulley support frame and a liquid spraying assembly; the liquid spraying assembly comprises a fixing frame and a transverse pipe arranged at the top of the fixing frame; a plurality of sprayers are arranged on the lower side wall of the transverse pipe; a plurality of through openings are formed in the arc top frame; abutting assemblies are arranged in the plurality of through openings; each abutting assembly comprises a mounting guide sleeve; an abutting frame is inserted into each mounting guide sleeve in a penetrating mode; and an abutting roller is arranged at the end part, far away from the trolley rack, of each abutting frame; and an abutting air cylinder is hinged to the end part, far away from the abutting roller, of each abutting frame. The waterproof board operation trolley for tunnel construction has the advantages that the structure is simple, a waterproof board is conveniently laid on the inner wall of the tunnel and is tightly abutted against the inner wall of the tunnel, and the bonding strength of the waterproof board to the inner wall of the tunnel is improved, so that the problem of falling after laying is solved, the operation is convenient and fast, and the practicability is high.

The invention discloses an iron sheet cutting device convenient to fix and a cutting method thereof. The device comprises a shell, a telescopic cylinder, conveying platforms and a motor, wherein the telescopic cylinder is mounted on the inner side of the top of the shell, and the output end of the telescopic cylinder is connected with a cross rod; the edge end of the cross rod is mounted in a movable groove, and the movable groove is reserved in the edge side of the shell; a connecting rod is fixed to the bottom of the cross rod, rollers are mounted at the bottom of the connecting rod, and belts sleeve the outer sides of the rollers; baffles are connected to the edge sides of the connecting rod; and the conveying platforms are mounted inside the shell, the conveying platform are located below the connecting rod, and sliding plates are mounted on the edge sides of the conveying platforms. According to the iron sheet cutting device convenient to fix, the fixing of the iron sheet is enhanced, the problem that the precision of cutting is affected by the movement of the iron sheet during cutting is avoided, and meanwhile, the cutting is carried out through a machine, so that manpower issaved, and the cutting efficiency is improved.

The invention belongs to the technical field of production of ceramsite wallboards and particularly relates to a ceramsite wallboard cutting forming method. The ceramsite wallboard cutting forming method adopts a ceramsite wallboard cutting forming device for cutting and comprises the following steps that (1) the size of each ceramsite wallboard needing to be cut is measured through a rule, and scribing is conducted; (2) the to-be-cut ceramsite wallboards are placed on a cutting platform, and it is ensured that a scribed line in the step (1) is overlapped with a first cutter; (3) the free endof a connecting rope is fixed to the ceramsite wallboards; (4) a hydraulic cylinder is started to push a rack to move and drive a first gear and a second gear to rotate, wherein the rotating speed ofthe first gear and the second gear is 75-100 r / min; and (5) after cutting, a piston rod of the hydraulic cylinder is reset, and the ceramsite wallboards are taken down. According to the ceramsite wallboard cutting forming method, the ceramsite wallboards can be cut conveniently, and the situation that the ceramsite wallboards bear the force of the cutter and accordingly fixing is affected is avoided.

The invention relates to rapid installation equipment for a lifeline stand column. The rapid installation equipment comprises a device body, a movable cavity is formed in the device body, clamping grooves are formed in the two sides of the movable cavity, a movable block is arranged on one side of each clamping groove, a third spring is arranged on one side of each movable block, a vertical plateis arranged at the other end of each third spring, the vertical plates are arranged above a movable plate, a fourth spring is arranged below the movable plate, and the fourth spring is arranged in a vertical groove formed in the device body. The rapid installation equipment has the beneficial effects that the situation that installation of the lifeline stand column is affected due to the fact thatthe number is insufficient or in the using process, parts are prone to falling off can be effectively avoided, installation is more convenient, danger generated in the installation process is reduced, safety in the installation process is guaranteed, when a clamping piece is fixed, the fastening degree of a protection plate can be determined through the rotating time of a rotating disc, and thenrapid assembling can be conducted.

The invention discloses a vortex air-flotation sediment scraper, which comprises a machine body, the left side of the top of the machine body communicates with a water inlet pipe, the right side of the bottom of the machine body communicates with a water outlet pipe, and the bottom of the left side of the inner cavity of the machine body is fixedly connected with a fixing block; a clamping slot isformed in the right side of the fixing block, a clamping block is disposed at the inner side of the clamping slot, and a filter plate is fixedly connected to an end, away from the inner cavity of theclamping slot, of the clamping block; and a fixing frame is fixedly connected to the bottom of the right side of the inner cavity of the machine body, and a spring is fixedly connected to the right side of the inner cavity of the fixing frame. The sediment scraper of the invention can drive a threaded rod to rotate by arrangement of a motor, and at the same time, a thread sleeve moves by cooperation of the threaded rod and the threaded sleeve; and through arrangement of the threaded sleeve, a scraping plate is driven to move to clean impurities on the surface of the filter plate, thereby facilitating sewage treatment, and meanwhile solving the problem that the sewage treatment efficiency is reduced due to the fact that an existing sediment scraper cannot completely remove impurities on the surface of a filter plate.

The invention discloses a wine box base shell bonding device comprising a base plate. The top face of the base plate is provided with a push plate, a pressing plate and a discharge outlet sequentially. The push plate does reciprocating motion facing or back on to the pressing plate along the top face of the base plate. A top plate is fixed above the base plate. The pressing plate does vertical reciprocating motion between the top plate and the base plate and perpendicular to the top face of the base plate. The pressing plate is matched with an inner opening of a wine box base shell. A discharge conveying belt is arranged below the base plate and at the discharge outlet. Known from the above structure, through the wine box base shell bonding device, automatic bonding of the wine box base shell is achieved, manual bonding is not needed, bonding efficiency is improved, labor intensity of operators is lowered, and bonding quality is ensured.

The invention discloses a wine box base shell bonding device comprising a base plate. The top face of the base plate is provided with a push plate, a pressing plate and a discharge outlet sequentially. The push plate does reciprocating motion facing or back on to the pressing plate along the top face of the base plate. A top plate is fixed above the base plate. The pressing plate does vertical reciprocating motion between the top plate and the base plate and perpendicular to the top face of the base plate. The pressing plate is matched with an inner opening of a wine box base shell. A discharge conveying belt is arranged below the base plate and at the discharge outlet. Known from the above structure, through the wine box base shell bonding device, automatic bonding of the wine box base shell is achieved, manual bonding is not needed, bonding efficiency is improved, labor intensity of operators is lowered, and bonding quality is ensured.

The invention discloses an adjustable device for fixing and easily replacing a silica gel bar, which comprises a first fixed seat and a second fixed seat respectively positioned at two ends, wherein the first fixed seat and the second fixed seat are respectively fixed on respective adhesive patches; adhesive layers are arranged at the bottoms of the adhesive patches; a connecting strip is arranged on the first fixed seat; a plurality of clamping holes are formed in the connecting strip; clamping columns are arranged on the second fixed seat; the clamping columns can be clamped into the clamping holes. The adjustable device has the benefits that as the first fixed seat and the second fixed seat can be fixed on the two sides of the silica gel bar on a wound or a scar of a patient through respective adhesive layers; the clamping columns are clamped into the corresponding clamping holes of the connecting strip, so that the first fixed seat is connected with the second fixed seat and skin on two sides of the wound can be stitched without tension; as to the scar treatment, the silica gel bar covering the scar is fixed and compressed so as to prevent the silica gel bar from falling off, the curative effect is enhanced, and the silica gel bar covering the scar can be replaced conveniently at the same time. The adjustable device is suitable for wounds and scars with different sizes.

The invention discloses a machining tool used for adjusting connecting rods. The machining tool comprises a clamping mechanism and a positioning mechanism, the clamping mechanism is used for clamping an adjusting connecting rod blank, the adjusting connecting rod blank is a blank for manufacturing an adjusting connecting rod and comprises a round rod section and a non-round rod section, and the clamping mechanism is provided with multiple clamping holes; and the positioning mechanism is arranged on the side, close to the non-round rod section of the adjusting connecting rod blank, of the clamping mechanism, the positioning mechanism is provided with a positioning groove matched with the non-round rod section, and the positioning groove is used for limiting the direction and the position of the adjusting connecting rod blank. According to the machining tool, the multiple clamping holes are formed in the clamping mechanism, the machining requirement for machining multiple adjusting connecting rods in a single batch is met, and the production efficiency of adjusting connecting rods can be greatly improved; and the positioning groove matched with the non-round rod section is formed in the positioning mechanism, adjusting connecting rod blanks can be aligned in the axis direction, the consistent angle can be kept in the circumferential direction, the dual-positioning purpose can be achieved easily, the positioning time can be remarkably shortened, and the reloading efficiency can be improved.

The invention relates to the technical field of new energy vehicles, and discloses a charging pile for new energy vehicles, comprising charging equipment, a positioning cylinder is fixedly installed inside the charging equipment, and a limiting cylinder is fixedly installed inside the positioning cylinder, so A movable rod is movably connected to the side of the limiting cylinder, one end of the movable rod penetrates and extends to the outside of the movable rod, one side of the movable rod is fixedly installed with a connecting rod, and the number of the connecting rods is two, The two connecting rods are movably connected. The charging pile for new energy vehicles, through the cooperation of the positioning cylinder and the limit cylinder, prevents the movable rod from falling out of the charging device during movement, which affects the efficiency of power transmission. The cooperation between the compression spring and the connecting rod makes the two connections During the use of the rod, the connected state is maintained to prevent the two connecting rods from loosening during charging, resulting in the car not being able to be charged, preventing the car from catching fire during the charging process and affecting people's safety.

The invention relates to the technical field of aluminum profile cutting machines, in particular to a fast and safe cutting machine for the production of aluminum profiles, including a workbench, a positioning mechanism, a cutting mechanism, a blanking mechanism, a slag cleaning mechanism and a driving mechanism; The surface of the table is equipped with a positioning mechanism for clamping and loading single or multiple aluminum profiles. During loading, the aluminum profile and the positioning mechanism are rolled and connected to ensure that the aluminum profiles are not loose during feeding and ensure cutting accuracy; The surface of the workbench is equipped with a slag removal mechanism for cleaning the debris from cutting aluminum profiles. By rotating the drive mechanism installed on the side of the workbench, the slag removal mechanism can be shaken, and the cutting debris can be cleaned, which is convenient and convenient for unloading. The cutting of aluminum profiles avoids affecting the accuracy of the aluminum profiles; the surface of the workbench is equipped with a blanking mechanism for cutting the finished aluminum profiles, and one end of the blanking mechanism is turned to realize the cutting mechanism when the cutting mechanism is working. Finished aluminum profile blanking.

The invention discloses an electrode water-cooling plate used for a G8.5H substrate glass cell furnace and a production method thereof, so as to solves the problem of water leakage between bottom plates and sleeves of the electrode water-cooling plate in the subsequent pressing process, and guarantee that the processing quality of the electrode water-cooling plate meets design and using requirements. The electrode water-cooling plate comprises a upper bottom plate, a lower bottom plate and the sleeves, wherein the upper bottom plate and the lower bottom plate are matched together through an outside sealing plate; a plurality of paired tapered through holes are symmetrically formed in the plate surfaces of the upper bottom plate and the lower bottom plate; the large-orifice ends of the through holes face the outer sides of the plate surfaces; the sleeves are arranged inside the paired tapered through holes correspondingly one by one; the two ends of the sleeves are connected with the through holes on the same side in a sealed manner respectively; wiring plates and water pipe connectors are arranged on the upper bottom plate.

The invention discloses a domestic air filter element capable of being conveniently cleaned. The domestic air filter element comprises a joint tube and joint rods, wherein the joint rods are arrangedat four corners at the bottom of the joint tube; the rear end of a second spring is connected with the inner wall of a tank body; a lifting rod is arranged on the outer wall of a partition plate and penetrates through the tank body and a baffle in sequence; a clamping groove is formed in the outer wall of the bottom of the lifting rod; channel steel is arranged on the outer wall of the bottom of the baffle; a clamping block is arranged in the inner cavity of the channel steel; the clamping block penetrates through the channel steel and is overlapped and connected with the lifting rod; a push rod is arranged on the outer wall of the clamping block and penetrates through the channel steel. According to the domestic air filter element capable of being conveniently cleaned, due to the joint rods, the joint tube and the filtering net, the aim of assembling the filter element is achieved, so that the filtering net is capable of performing filtration and does not spread. According to the base, the aim of mounting the filter element on the base is achieved, and due to mutual matching of the clamping block and the clamping groove, the lifting rod is fixed after lifting, and the suction force of the sucker is prevented from being influenced.

The invention relates to the technical field of composite boards, and provides a back rib type composite board, which comprises a board A and a board B; the side surfaces of the board A and the board B are tightly attached; and a back board is compounded on the back surface of the attaching line of the board A and the board B. Through the fitting design of the board A, the board B and the back board, the composite connection strength is high; the situation that the connection strength of the composite board is poor due to dislocation fixation can be avoided; waste boards are utilized; the utilization rate of the boards is increased; the existing market conditions that large boards cannot be produced or are complex to process and small boards need to be specially customized in existing equipment are broken; the utilization rate of the waste boards used for the composite boards and the like is increased; and the product practicability is enhanced. In conclusion, the back rib type composite board in the invention has great popularization significance and market value.