64results about How to "Reduce space occupancy" patented technology

The utility model discloses a bilateral flat plate fixed type inclined 2.5-dimensional X-RAY detection machine which comprises an objective table device, an x-ray receiving device arranged above the objective table device, and an x-ray transmitting device arranged below the objective table device, the x-ray receiving device comprises a mounting rack and a mounting cross beam connected between the two ends of the mounting rack; the two ends of one side of the installation cross beam are each connected with a first fixing plate, and one side of each first fixing plate is further provided with an x-ray receiving mechanism. According to the utility model, a double-inclined flat plate fixed structure is adopted, redundant components are simplified, and the whole structure is simplified, so that the space occupancy rate of equipment is effectively reduced, the layout of the whole machine is compact and exquisite, and a more flexible and efficient solution is provided for site planning and equipment deployment of industrial production.

The present application relates to the technical field of transport box, and discloses a transport box for egg circulation, which comprises a box body, a bottom plate arranged under the box body and used for supporting egg trays, a locking member movably arranged on the bottom plate and having a locking state and an unlocking state, a pushing assembly in transmission connection with the locking member, and a driving assembly used for driving the pushing assembly to move and switch the locking member between the locking state and the unlocking state. When the locking member is in the locking state, the box body is fixed relative to the bottom plate. When the locking member is in the unlocking state, the box body can be separated from the bottom plate. The transport box for egg circulation can realize overall loading and unloading through the separable design of the bottom plate and the box body. When loading, all the trays can be stacked on the bottom plate, and then the box body is buckled. When unloading, the box body can be lifted to expose the trays integrally, so that the loading and unloading time is greatly shortened, and the transport box is suitable for cooperation with automatic handling equipment and can realize rapid and batch circulation.

The invention relates to the technical field of rana nigromaculata slaughtering, in particular to a rana nigromaculata slaughtering machine. Comprising a rack, and a supporting plate, a rolling belt, a blade, a viscera removing piece, a conveying belt, a push rod, a pneumatic clamping jaw, a head removing blade and the like are arranged above the rack; the lower portion of the supporting plate is driven by a rolling motor, so that the rolling belts on the two sides rotate at the same rotating speed. The rana nigromaculata is clamped by the rolling belts on the two sides and conveyed along a straight line, belly opening and viscera removing operation is sequentially completed, then the rana nigromaculata is conveyed to the baffle through the conveying belt to be subjected to peeling and head removing, the rana nigromaculata is pushed out through the push rod after peeling and head removing are completed, and continuous slaughtering of the next rana nigromaculata is achieved circularly. The device has the advantages of short time consumption, high efficiency, low labor cost, small operation difficulty, small occupied area, simple structure, high automation degree and the like, can meet the large-scale slaughtering requirements of rana nigromaculata, and has a good application prospect.

The utility model discloses an integrated service cash register counter belongs to cash register counter technical field, including the cabinet body and money box of cash register counter, money box sets up in the cabinet body, the cabinet body is provided with first cabinet door, has seted up the mounting port on the first cabinet door, the mounting port is opposite money box, has seted up the fixed mouth on the cabinet body, the fixed mouth is detachably connected with the supporting plate in, the supporting plate is above money box, a plurality of fastening screws are threadedly connected on the supporting plate, the fastening screw is threadedly connected on the fixed mouth, has seted up the fixed groove on the fixed mouth, the fixed groove is connected with the fixed plate, the fixed plate is clamped in the fixed groove, the fixed plate has seted up the mounting hole, the mounting hole is above the supporting plate, has seted up the code scanning gun fixed orifice on the fixed plate, the utility model has the advantage that increases the stability of cash register screen on cash register counter.

According to the top heat dissipation type liquid cooling container and the application control method thereof, the cooling tower container top arrangement design is adopted, a CDU module is omitted, the overall cost is reduced, more Tanks can be deployed in the spare space after the CDU module is omitted, and the computing power of a single liquid cooling container is greatly improved. The cooling tower is compact in structural form, low in space occupancy rate, higher in integration degree and good in universality and reliability, and the ground space of the cooling tower is saved. After a certain cooling tower fails, normal operation of other devices is not affected, and the disaster recovery capacity is improved. The cooling tower and the Tank carry out heat exchange one by one, the heat dissipation efficiency is higher, the number of water cooling pipelines is smaller, and the integration degree is higher.

The utility model provides a kind of domestic portable splicing power module, it is related to power module technical field, comprising: shell, shell is located inside and is equipped with multiple battery packs, multiple battery packs top are equipped with detection device, and multiple battery packs top are respectively fixed with two connecting ends, and battery pack bottom is equipped with splicing hole for use in conjunction with two connecting ends, shell top is detachably connected with sealing cover.This kind of power module is spliced to battery pack by splicing assembly, and splicing process is easy to operate and understand, reduces professional requirement, improves assembly efficiency, and battery pack is split into several small battery modules, so that voltage and current are minimized, reduce the risk in assembly splicing process, secondly, portable component can conveniently carry power module for people, photovoltaic power generation panel is stored in shell both sides, reduce space occupancy, cooperate with handle to facilitate carrying and storing power module outside.

The invention relates to a linear arrangement type DOD ink-jet printing production line which comprises a rack, an upstream card processing device, a downstream card processing device, two sets of DOD ink-jet printing devices and a conveying device. The conveying device comprises an upstream card conveying module, a downstream card conveying module and a card transfer conveying module; a card turnover mechanism is arranged in the card transfer conveying module; the DOD ink-jet printing device comprises a DOD ink-jet printing module and a card transferring and carrying module, wherein the card transferring and carrying module is used for carrying cards in an upstream card conveying module / a card transferring and conveying module to the DOD ink-jet printing module; the card transferring and carrying module comprises a card carrying mechanism and a card transferring mechanism; the card carrying mechanism comprises a carrying seat and a card carrying driving mechanism; and the carrying seat is positioned above the upstream card conveying module / card transfer conveying module. The linear arrangement type DOD ink-jet printing production line is higher in production efficiency, more compact in structure and lower in manufacturing cost.

This utility model provides a furnace-front propulsion device for the production and processing of wheel parts, belonging to the field of wheel part manufacturing technology. It includes a frame, with an electric heating furnace fixed to one end of the upper surface of the frame and a fixed frame fixed to the other end. A track for sliding wheel parts is provided between the fixed frame and the bottom of the electric heating furnace. A propulsion cylinder is detachably mounted on the fixed frame, with its piston rod facing the electric heating furnace and a push plate for pushing the wheel parts fixed thereon. A horizontally movable frame is provided on the lower surface of the frame, housing a control box. A vertical rotating cylinder is fixed to the top of the movable frame, with its top end protruding from the upper surface of the frame. This utility model not only solves the problem of high safety hazards associated with manual pushing in existing systems, but also offers flexible installation of the cylinder control box, low space occupancy in the workshop, low risk of damage, and good overall performance.

This invention discloses a magnetic microparticle chemiluminescence reagent kit, comprising a box body and a reagent rack, a lower inner liner, and an upper inner liner placed within the box body. The upper inner liner is positioned above the lower inner liner. Both the upper and lower inner liners have reagent wells. The sum of the thicknesses of the upper and lower inner liners is at least 2 / 3 of the height of the reagent rack. This invention, by configuring the inner liners as an upper and lower stacked arrangement, increases the contact area with the reagent rack in its height direction, thereby increasing the stability of the reagent rack within the kit and improving the space utilization of the kit. Furthermore, distributing the reagent wells evenly across the upper and lower inner liners reduces the area of ​​the upper and lower inner liners while still meeting the reagent tube accommodating requirements. The overall volume of the kit is significantly reduced, thereby lowering manufacturing costs and reducing space occupancy during transportation and storage, thus lowering transportation and storage costs.

The utility model discloses single cylinder control multi -claw mechanism relates to mechanical automation technical field, it is designed to solve the traditional multi -claw mechanism in the process of using, adopt the mode of independent drive of multiple power source, lead to the problem of high production cost, and high failure rate, including clamping subassembly, oil injection subassembly and oil recovery subassembly, oil injection subassembly sets up at the top of clamping subassembly, oil recovery subassembly sets up at the bottom of one side of clamping subassembly, clamping subassembly includes frame, one side of the bottom of frame is provided with cylinder, and the output of cylinder is provided with movable plate, the top of movable plate is provided with support plate, and support plate is located inside the frame. The utility model discloses through design clamping subassembly, not only greatly reduced hardware procurement cost, also reduced the arrangement of circuit and air pipe, make the whole structure of mechanism more simple, and the space occupancy rate reduces 30% or more, can nimble adaptation narrow production station.

The utility model relates to the technical field of rolling mills, in particular to a rolling mill bearing seat convenient to maintain, which comprises a bearing seat body, a first mounting ring is slidably connected to the front side of the bearing seat body, a plurality of first connecting blocks are fixedly connected to the rear end of the first mounting ring, a second mounting ring is slidably connected to the inner side of the first mounting ring, and a plurality of second connecting blocks are fixedly connected to the rear end of the second mounting ring. A plurality of second connecting blocks are fixedly connected to the rear end of the second mounting ring, and a plurality of connecting grooves are formed in the front side of the bearing seat body. The clamping blocks are mounted in the bearing seat body, the mounting ring is connected to the bearing seat body in a clamped mode through the clamping blocks, the space occupancy rate is greatly reduced, the structure can be applied to various rolling mills, the use flexibility is high, the bearing and the bearing seat can be disassembled by moving the clamping blocks, and the bearing and the bearing seat can be disassembled conveniently. And therefore, the bearing seat can be conveniently maintained, the maintenance efficiency is relatively high, and the use economy is relatively high.

The application relates to a low-voltage comprehensive distribution box with an emergency power supply quick plug device, and relates to the technical field of power equipment, which comprises a cabinet body, a wire inlet chamber, a metering chamber, a wire outlet chamber and a wire distribution chamber are arranged in the cabinet body, an emergency chamber is arranged below the wire distribution chamber of the cabinet body, and an emergency power supply module, a sliding assembly and a locking assembly are arranged in the emergency chamber. The application achieves the emergency power supply function in the low-voltage comprehensive distribution box, the emergency power supply can be quickly started in power failure through reasonable component design and layout, the stability and the sealing property of the structure are guaranteed, dust and the like are avoided from affecting the use of the socket, and the power supply reliability and the equipment practicability are improved.

This invention relates to an integrated testing platform and method for water pumps and oil pumps. The testing platform comprises a drive system, a media supply system, a measurement system, a temperature control system, a control system, and a data management platform. The drive system includes an interconnected power control cabinet and pump motors. The media supply system includes a water pump, an oil pump, a water tank, and an oil tank. The measurement system includes inlet and outlet pressure gauges, flow meters, pressure transmitters, and temperature transmitters installed on the pump's test circuit. The temperature control system includes heat exchangers, cooling pipes, and cooling coils in the oil and water tanks. The control system includes pump start / stop switches and valves. The data management platform includes an interconnected industrial computer and a data processing platform. This invention improves system integration; by switching valves, simultaneous testing of the water pump, oil pump, and water / oil pump can be achieved, further reducing the overall space occupancy. Simultaneously, the water pump circuit serves as a cooling circuit for the oil pump media, further improving testing efficiency.

The invention discloses a vacuum cavity hinge device for ALD semiconductor equipment, and relates to the technical field of semiconductor equipment. The hinge device comprises a cavity cover side hinge module, a cavity body side hinge module and an opening and closing driving assembly, the cavity cover side hinge module is installed on the outer side wall of an ALD equipment cavity cover, and the cavity cover side hinge module comprises a first hinge base, a second hinge base, a first hinge connecting assembly and a hinge plate; the cavity side hinge module is installed on the outer side wall of an ALD equipment cavity. The cavity side hinge module comprises a hinge base, a third hinge base and a second hinge connecting assembly. According to the hinge device provided by the invention, the whole hinge device adopts an out-of-cavity cantilever type structure and is divided into the upper part and the lower part of the cavity cover side and the cavity body side, the structure is simple, the problem of error accumulation of a plurality of kinematic pairs of a complex connecting rod mechanism is avoided, and the stability of opening and closing the cavity cover is improved; and under the condition that the strength, the rigidity and the driving force to the heavy cavity cover are met, the space occupancy rate is low, and the integrated design of equipment is facilitated.

The utility model relates to towel drying equipment technical field discloses a kind of equipment for towel drying disinfection, including box, movable door being movably arranged in the outside of the box, drying disinfection mechanism is arranged in the box, the top of the box is provided with placement storage mechanism, start hair dryer and PTC heating sheet, produce warm air, subsequently through hair dryer plate to the left and right sides of towel Synchronous hair drying effect, so that the two sides of towel can be received warm air, accelerate drying efficiency, start motor drives screw rod to carry out positive and negative rotation, drive threaded block and support plate, hook to move, so that the upper and lower of towel can be received warm air drying effect, so that the drying efficiency of towel can be further improved, in the process of drying, through the ultraviolet lamp of top can irradiate towel, to achieve disinfection purpose, so that the growth of bacteria can be effectively inhibited, ensure people's health.

The utility model relates to a wall-mounted cabinet capable of being quickly assembled. The wall-mounted cabinet capable of being quickly assembled comprises an upper frame component, a bottom frame component, side plate components, a frame component and a front door component. The upper frame part, the bottom frame part and the side plate part are detachably connected with the frame part; the front door component is rotationally connected with the upper frame component and the bottom frame component; the side plate part comprises a side plate, a guide wheel and a side plate positioning strip; the side plate positioning strip is provided with a side plate fixing hole; and the guide wheels and the side plate positioning strips are connected with the side plates. Through the design of the wall-mounted cabinet capable of being quickly assembled, the components of the wall-mounted cabinet can be quickly assembled, the requirement for quick assembly of the wall-mounted cabinet is met, and the installation efficiency is improved. As the parts can be transported, the space occupancy rate is reduced, and the transportation cost is reduced; and the back surface of the wall-mounted cabinet is not provided with a back plate, so that the heat dissipation effect is enhanced. The side plate part 30 can be further abandoned according to needs, and the heat dissipation effect is further enhanced.

The application discloses a release mechanism, which comprises a fixing base, an energy storage component arranged in the fixing base, and a release component which is arranged in the fixing base in a sliding mode and is connected with the energy storage component, wherein the sliding track of the release component is located on the same horizontal plane; a knob is arranged on the release component to drive the release component to slide, and the release component drives the energy storage component to damp the fixing base; a system comprises the release mechanism, a moving body and the knob; the release mechanism is arranged on the moving body; and the knob is arranged on the release mechanism to drive the release mechanism to damp. The track of the release component on the fixing base is located on the same horizontal plane, so that the release component is prevented from changing the position in the vertical direction, the space occupied by the release component in the vertical direction is avoided, and the system space of the system comprising the release component is more compact.

The invention discloses a passive foldable space grabbing handle. The passive foldable space grabbing handle comprises a positioning assembly, a handle assembly and a folding assembly. Wherein the positioning assembly is connected with the folding assembly; and the folding assembly is connected with the handle assembly. The mounting position and the grabbing direction can be adaptively adjusted according to the shapes of different loads, the flexibility of on-orbit grabbing is improved, and the mounting space is saved.

The utility model provides a laboratory saccharified liquid preparation device. Laboratory saccharified liquid preparation device includes: bottom plate, four adjusting parts, four adjusting parts are fixedly connected in the position of four corners near the top of bottom plate respectively, and the telescopic end of four adjusting parts all installs installation assembly, and the top of four installation assemblies installs support, and the top of support installs drive assembly, and the output of drive assembly installs hydraulic rod, and the telescopic end of hydraulic rod installs stirring shaft, and the outer surface of stirring shaft installs a plurality of stirring frame, and the top of support installs temperature sensor through fixed base, and installation base is installed in the top of support. The utility model provides laboratory saccharified liquid preparation device, and this design simple structure, easy operation, convenient cleaning, low space occupancy, can greatly improve saccharification efficiency and saccharified liquid effect.

This invention relates to the field of electronic product accessories technology, and discloses a finger-reading mirror and an electronic device. The finger-reading mirror includes a lens assembly and a mounting assembly. The mounting assembly includes a mounting part, a fixing part, and a supporting part. One end of the mounting part is rotatably connected to one end of the fixing part, and the other end of the mounting part is rotatably connected to one end of the supporting part. The mounting part is used to mount on an external device, and the lens assembly is fixed to the fixing part. The mounting part, fixing part, and supporting part form a triangular support structure or a folding stacking structure, and switch between the triangular support structure and the folding stacking structure in response to external force. In this way, when the mounting assembly forms a triangular support structure, the lens assembly and the stacking direction of the mounting assembly are tilted at a preset angle to realize the unfolding of the finger-reading mirror. When the mounting assembly forms a folding stacking structure, the lens assembly is parallel to the stacking direction of the mounting assembly to realize the folding of the finger-reading mirror.

The utility model discloses a folding table, which comprises a support frame, the first table top is arranged on the supporting frame; the second table top is hinged to one side of the first table top; the third table top is hinged to the other side of the first table top; the folding module is connected with the first table top, the second table top and the third table top and used for folding the second table top and the third table top towards the direction of the first table top independently or jointly. The utility model has the following beneficial effects: 1, the volume after folding is only 43% of the original volume, so that the space is effectively saved, and the space occupancy rate is reduced; 2, an automatic folding mode is adopted, manual folding is not needed, and the operation is more convenient;

This invention relates to the field of vibration reduction and noise reduction technology, specifically to a spiral acoustic black hole structure with enhanced thickness and a ring-ribbed cylindrical shell. It includes a spirally coiled portion and a mounting component for mounting the spirally coiled portion onto the structure to be vibration-damped. The spirally coiled portion includes an extended enhanced thickness portion, a damping portion, and a one-dimensional acoustic black hole strip with gradually varying thickness. The damping portion is tightly attached to the inner wall of the extended enhanced thickness portion, and its inner end is flush with the inner end of the extended enhanced thickness portion. The outer end of the extended enhanced thickness portion is connected to the end of the mounting component. A one-dimensional acoustic black hole strip is tightly attached to the inner wall of the extended enhanced thickness portion between the outer end of the damping portion and the end of the mounting component. The thicker end of the one-dimensional acoustic black hole strip is connected to the end of the mounting component, and the thinner end of the one-dimensional acoustic black hole strip is connected to the damping portion. This invention can achieve both low-frequency and wide-frequency vibration reduction with a relatively low space occupancy.

The utility model discloses an X-ray detection receiving device of a 2.5-dimensional double flat panel detector. The X-ray detection receiving device comprises a mounting cross beam, the two ends of one side of the installation cross beam are each connected with a first fixing plate, and one side of each first fixing plate is further provided with an X-ray receiving mechanism. A second fixing plate is connected to the middle of one side of the mounting cross beam, and a visual positioning mechanism is further mounted on one side of the second fixing plate; the ends, used for receiving signals, of the two X-ray receiving mechanisms are obliquely arranged downwards towards the lower portion of the visual positioning mechanism. Compared with a traditional large 360-degree rotating flat plate to obtain image data at different angles, the device innovatively adopts a double-inclined flat plate fixed structure, and the space occupancy rate of the device is effectively reduced by simplifying redundant components and simplifying the whole structure, so that the layout of the whole device is compact and exquisite, and the cost is reduced. And a more flexible and efficient solution is provided for field planning and equipment deployment of industrial production.

The utility model discloses a foldable trolley frame which comprises a first supporting plate, a sliding groove is formed in the first supporting plate, a connecting plate is connected to the interior of the sliding groove in a sliding mode, clamping columns are fixedly connected to the two ends of the connecting plate, a threaded rod is rotationally connected to the interior of the first supporting plate, and the threaded rod is connected to the interior of the first supporting plate in a sliding mode. The first baffles and the second baffles are rotated towards the middle positions, and the first flexible cloth and the second flexible cloth are placed below the two first baffles and the two second baffles respectively, so that the first supporting plate and the second supporting plate rotate around the hinged position, and the first supporting plate and the second supporting plate rotate around the hinged position. And the first universal wheel is arranged in the first groove, and the second universal wheel is arranged in the second groove, so that the first supporting plate is attached to the second supporting plate, the requirement for the placement space of the device is greatly reduced, and the space occupancy of the device is reduced.

The utility model discloses a fastener strength detection device which comprises a rack main body, a cylinder seat, two guide rods, a hydraulic cylinder, a right carrier plate, a left carrier plate, a U-shaped frame, a left limiting tool, a right limiting tool, a limiting ring, a T-shaped threaded sleeve and a fastener, the cylinder seat is fixedly installed on the rack main body, the two guide rods are parallel and are fixedly installed on the rack main body, and the hydraulic cylinder is fixedly installed on the rack main body. The left carrier plate is slidably mounted on the guide rods in a sleeving mode, and the two ends of the right carrier plate are fixedly mounted on the rack body. Compared with a tension tester, the device has the advantages of low use cost, small space occupancy rate and convenience in position movement, and can meet the use requirements of tensile strength detection of fasteners with diameters of 10mm and below, the right carrier plate and the rack main body are welded and fixed after being spliced, and the stay bolt increases the structural strength of the middle position of the right carrier plate, so that the tensile strength of the fasteners is improved. The right carrier plate cannot be bent and deformed during stretching detection, and the structural strength of the middle position of the left carrier plate can be improved through the U-shaped frame.

The utility model describes a consumable limiting device of a printer and the printer, the printer is provided with a printer body, and the printer body is provided with two connecting parts which are arranged at an interval; the consumable limiting device comprises two positioning pieces and a limiting piece, wherein each positioning piece comprises a first side wall and a second side wall which are oppositely arranged; a paper roll support assembly; a folding paper limiting assembly; when the first side walls of the two positioning pieces face each other, the two positioning pieces limit consumables through the paper roll bracket assembly; and when the second side walls of the two positioning pieces face each other, the two positioning pieces limit the consumables through the folded paper limiting assembly. Therefore, the consumable limiting device can reduce shaking of the consumables in the printing process, and the printing deviation problem is optimized. In addition, the consumable limiting device is arranged externally, the size of the printer body can be reduced, the consumable limiting device can be compatible with the two consumables of the paper roll and the folded paper, and a user does not need to purchase two different types of printers.

The utility model discloses a branch supporting device for efficient citrus planting, and relates to the technical field of agricultural planting machinery, the branch supporting device comprises a sleeve, the outer wall of the bottom of the sleeve is fixedly connected with a plurality of inserting rods, the inner wall of the sleeve is provided with a fixing mechanism, the fixing mechanism comprises a circular ring, and the circular ring is fixedly connected with the inserting rods. According to the branch fixing device, through the rubber pads, branches are placed on the rubber pads after the branch fixing device is moved to a proper position, then the arc-shaped plate II is rotated, the arc-shaped plate II is aligned with the arc-shaped plate II, then the branches are fixed between the two rubber pads, and the branch fixing device is used for fixing the branches. Meanwhile, when branches grow, rubber pads are extruded, then the rubber pads drive sliding rods to move, then the sliding rods extrude springs, the flexibility of the device is improved, the branches can be effectively prevented from drooping, the situation that the branches are broken due to drooping is avoided, and meanwhile the fixing size can be automatically adjusted according to the sizes of the branches.

The utility model discloses a splicing type mutual conduction piece which comprises a first mutual conduction piece and a second mutual conduction piece which are of a split structure, and the end portion of the first mutual conduction piece and the end portion of the second mutual conduction piece are connected through a splicing structure. The splicing structure comprises a clamping sleeve, the clamping sleeve is arranged at one end of the first mutual guiding piece, a sleeving cavity is formed in the clamping sleeve, the sleeving cavity is attached to a clamping head, the clamping head is arranged at one end of the second mutual guiding piece, and positioning assemblies connected with the clamping sleeve are further arranged on the two sides of the clamping head. According to the technical scheme, the first mutual conduction piece and the second mutual conduction piece can be stacked together for transportation, the space occupancy rate is greatly reduced, the packaging size is reduced, the transportation cost is reduced, the first mutual conduction piece and the second mutual conduction piece can be spliced and assembled, the assembling operation is convenient, positioning can be rapidly conducted, follow-up rapid installation is facilitated, and the installation difficulty is reduced.

The utility model discloses a filter screen self-cleaning structure of a heat pump air conditioner, and belongs to the technical field of refrigeration equipment. The filter screen self-cleaning structure of the heat pump air conditioner comprises a heat pump air conditioner body, a containing groove is formed in the top face of the heat pump air conditioner body, a filter screen is arranged in the containing groove, a dust blocking plate is hinged to the side, close to the filter screen, of the heat pump air conditioner body, and a dust sticking pad is connected to the bottom face of the dust blocking plate. An adhesive is smeared on the outer wall of the dust sticking pad, the bottom face of the dust sticking pad makes contact with the top face of the filter screen, sliding grooves are formed in the two sides of the top face of the heat pump air conditioner body correspondingly, driving mechanisms are arranged in the sliding grooves, sliding blocks are arranged at one ends of the driving mechanisms, connecting rods are hinged to the top faces of the sliding blocks, and the connecting rods are connected with the dust sticking pad. And one end of the connecting rod is hinged to one side of the dust blocking plate, the driving mechanism comprises a lead screw, and the interior of the sliding groove is rotationally connected with the lead screw.