33results about How to "Practical to use" patented technology

This utility model relates to a folding rack for drying mugwort, including a material trough and a square frame support at the left and right ends of the bottom of the material trough. The top of the material trough is open, and positioning blocks are fixedly installed at both ends of the bottom. Two vertically spaced blind grooves are opened on the lower part of the front and rear sides of each positioning block. A positioning through groove is opened on the upper frame of the support corresponding to the positioning block. Guide plates are fixedly installed on the bottom of the upper frame of the support on both sides of the positioning through groove. Guide grooves are opened at both the upper and lower ends of each guide plate. A lead screw is rotatably connected to the middle side away from the positioning through groove. A rotating handle is fixedly connected to the end of the lead screw away from the guide plate. A movable plate is threaded onto the lead screw. Horizontal plates are fixedly connected to both the upper and lower ends of each movable plate. The two horizontal plates correspond one-to-one with the two guide grooves on the guide plate on the same side and are inserted through each other. This utility model allows for convenient assembly and disassembly of the material trough and the support, and the two supports are movable and foldable, making it more convenient and practical.

The utility model discloses a movable paint brushing device which comprises a paint brushing device body, a motor is installed at the top end of the paint brushing device body through a support, universal wheels are arranged at the bottom of the paint brushing device body, a lead screw is connected to the lower portion of the motor through a coupler, and the outer portion of the lead screw is connected with a threaded sleeve through a threaded structure. Limiting columns are further arranged on the two sides of the lead screw, the two ends of each limiting column are connected to the motor mounting support and the paint brushing device body respectively, the limiting columns are sleeved with threaded sleeves through sleeves on the two sides of the threaded sleeves, a paint brush is arranged at one end of each threaded sleeve, and a paint storage barrel is further arranged on the paint brushing device body. The movable paint brushing device is provided with an automatic paint brushing structure, the paint brush is driven by the motor and the lead screw to automatically and uniformly brush a wall, the position can be conveniently moved through the movable main body, the labor intensity of workers can be effectively relieved, paint brushing is more convenient, and the working efficiency is improved.

The application discloses a chamfering device with a tool entanglement prevention mechanism for bolt machining, and belongs to the technical field of bolt machining. The chamfering device with the tool entanglement prevention mechanism for bolt machining comprises a base and a sliding seat fixedly installed on the surface of the base, a bolt body to be machined is placed above the sliding seat, the surface of the sliding seat is correspondingly provided with two sliding frames, the top surface of any one of the two sliding frames is fixedly provided with a fixing frame, the inner side surface of each of the two fixing frames is rotationally connected with a rotating column, and the surface of each of the two rotating columns is provided with an external thread. Compared with a traditional chamfering device, the chamfering device with the tool entanglement prevention mechanism for bolt machining adopts reciprocating rotary chamfering blades to simultaneously chamfer both ends of the bolt body, and the bolt ends do not need to be sequentially machined one by one, so that the machining steps of the bolt body are reduced, the machining speed of both ends of the bolt body is improved, and the machining efficiency of the bolt body is improved.

The utility model relates to the technical field of cooking fume detection, in particular to a purification device for cooking fume detection, which comprises a device body, convenient assembly mechanisms are arranged on the surfaces of a mounting pipe and a fixing pipe, and quick replacement mechanisms are arranged on the inner wall of the device body and the surface of an absorption plate. And a deodorizing and sterilizing mechanism is arranged on the inner wall of the device body. According to the utility model, the purification device is more convenient and smoother to assemble, the air leakage phenomenon of the purification device in the use process is avoided, a user can conveniently replace the absorption plate when the purification device is used, the treatment effect of the purification device on oil smoke is better, the use effect is better, and the use cost is reduced. In addition, when the purification device is used, the phenomenon that peculiar smell appears in the device body can be avoided, the purification device can sterilize the interior of the device body, and the purification device is more practical in use.

The invention relates to the technical field of postoperative nursing, in particular to an internal medicine postoperative rehabilitation nursing mechanism which comprises a bottom plate, a bed body is fixedly connected to the top of the bottom plate, a guardrail is fixedly connected to the side face of the bed body, a top groove is formed in the bottom plate and formed in the side face of the bed body, a rectangular plate is slidably connected into the top groove, and an electric telescopic rod is installed on the side face of the bottom plate. The side end of the electric telescopic rod is fixedly connected with the rectangular plate; through cooperative use of an electric telescopic rod, a driving motor, a threaded barrel, a threaded rod, a rotating seat, a micro air cylinder, a sliding plate, massage balls, through holes, an electric heating plate and a hot compress plate, the legs of a patient can be subjected to hot compress through the hot compress plate and the electric heating plate, and then the massage balls are driven by the micro air cylinder to move downwards, so that the massage balls massage the legs of the patient; manual massage is avoided, the leg of the patient is subjected to hot compress, the massage effect on leg muscles can be improved, and the nursing mechanism is more practical in use.

The utility model relates to the technical field of pattern printing, in particular to a clothing pattern printing device which comprises a bottom plate, a pressure sensor is fixedly connected in the bottom plate, the top of the pressure sensor abuts against a paint bucket, a stepping motor is installed on the top of the paint bucket, and the output end of the stepping motor is fixedly connected with a stirring rod. The stirring rod extends into the paint bucket and is rotationally connected with the paint bucket, the top of the paint bucket abuts against a feeding cover, and a paint pump is installed on the surface of the bottom plate. Through cooperative use of a stepping motor, a stirring rod, a pressure sensor, an alarm lamp, a paint pump, a valve and a paint spraying pipe, the stepping motor can drive the stirring rod to rotate, the phenomenon that paint is caked and solidified in a paint bucket can be avoided through rotation of the stirring rod, the continuity of pattern printing is improved, and the production efficiency is improved. And meanwhile, the residual paint in the paint bucket can be weighed in real time, so that the paint can be added in time, and the printing device is more practical in use.

The application relates to the technical field of automobile part measurement, and discloses a calliper gauge for measuring the inner diameter of an automobile part, which comprises a device bottom box, the front side of the device bottom box is provided with an inner diameter measuring mechanism and an adjusting and cleaning mechanism, the inner diameter measuring mechanism comprises a first fixed plate, a second fixed plate, a motor, a rotating rod, a threaded wall, a moving plate and a bearing, fixed strips and infrared distance measuring sensors are arranged on the moving plate, the moving plate can be driven to move by the threaded rod, when two second fixed strips coincide with the two sides of the inner diameter of a part, the distance currently detected by the infrared distance measuring sensors is the size of the inner diameter of the part, the measuring mechanism is convenient and simple, a clamping mechanism is not needed to clamp the part, a scale strip and a sliding block are arranged on the second fixed strip, the size of the whole part can be detected manually, and the size of the part can be detected at multiple positions when the shape of the part is irregular.

The utility model relates to the technical field of medicament blending, in particular to a composite medicament blending device which comprises a bottom plate, a fixing box fixedly connected to the surface of the bottom plate, a sliding plate slidably connected in the fixing box, a connecting spring elastically connected to the bottom of the sliding plate, and a damping rod arranged in the connecting spring. The bottom of the connecting spring extends into the fixing box and abuts against the fixing box, the top of the sliding plate is fixedly connected with a connecting plate, and the bottom of the connecting plate is fixedly connected with a rack; through cooperative use of a driving motor, a stepping motor, an electric telescopic rod, a hinge rod and a stirring rod, the stirring rod can be driven by the driving motor to preliminarily mix a medicament, meanwhile, a blending barrel is driven by the electric telescopic rod and the hinge rod to shake, the medicament is mixed again, and through the meshing effect between a gear and a rack, the medicament is mixed more uniformly. And the blending barrel can be driven to shake up and down, so that the medicament in the blending barrel can be shaken again, and the blending and mixing quality of the medicament is improved.

This utility model relates to the field of automotive generator technology and discloses an automotive generator end cover, which solves the problems of existing end covers having difficulty in balancing heat dissipation and dust prevention, and having a simple structure. It includes an automotive generator end cover with a motor shaft passage at the top center. The surface is provided with an auxiliary mechanism and a heat dissipation mechanism. The heat dissipation mechanism includes an outer frame, an inner end cover, and an outer end heat dissipation cover. Correspondingly, a first row of heat vents in a ring array, a second row of heat vents in a radial pattern, and a third row of heat vents in a matrix pattern are opened to form a multi-path heat dissipation channel and improve heat dissipation efficiency. The third row of heat vents has a dust filter inside, which takes into account both heat dissipation and dust prevention. The inner end cover and the outer end heat dissipation cover are easy to install and stable, and easy to maintain. The auxiliary mechanism includes an end cover mounting base and an external buffer protective sleeve. The former facilitates the installation of the end cover and the generator body, while the latter provides buffer protection without affecting heat dissipation and motor shaft operation. This utility model has a practical structure and is suitable for promotion.

The utility model relates to the technical field of cabinets, and discloses an adjustable wall-mounted cabinet which comprises a left cabinet body and a right cabinet body, cabinet doors are arranged on the upper half sections of the front sides of the two cabinet bodies, drawers are arranged at the lower ends of the front sides of the cabinet bodies, outer handles are arranged on the outer sides of the cabinet doors and the outer sides of the drawers, and the outer handles are arranged on the lower ends of the cabinet doors and the outer sides of the drawers. Outer sliding rails are slidably connected to the rear sides of the two sets of cabinet bodies, hanging grooves are formed in the outer ends of the rear sides of the two sets of cabinet bodies, and an in-cabinet mechanism is slidably connected to the inner sides of the cabinet bodies. The design of the hanging groove in the rear side of the cabinet body enables the cabinet body to be stably hung on a wall, the left side and the right side of the cabinet body can freely adjust the transverse position towards the left end and the right end through the outer sliding rails, and therefore different space requirements can be better met, after the cabinet door is opened through the outer handle, a cabinet inner mechanism on the inner side of the cabinet body can be displayed, and the cabinet inner mechanism can be divided into two side parts. And the layered structures can be pulled out, so that the utilization rate and the flexibility of the internal space of the cabinet are improved.

The utility model discloses an adjustable double cantilever connecting structure which comprises a cleat connecting piece connected to the central axis of a wheel through a bearing and a cantilever assembly arranged in an axial symmetry mode, the cantilever assembly comprises two cantilevers arranged up and down, one ends of the two cantilevers are both hinged to a main beam, and the other ends of the two cantilevers are hinged to the main beam. The other ends of the wheels are connected to the upper end and the lower end of the cleat connecting piece through wheel angle adjusting pieces respectively, each wheel angle adjusting piece comprises an adjusting rod fixedly arranged with the cleat connecting piece, the adjusting rods are connected to the cantilever through adjusting piece fixing pieces, and the inclination angles of the upper ends and the lower ends of the wheels are controlled through the adjusting rods arranged up and down. The wheel state is fixed through the adjusting piece fixing piece. One ends of the two cantilevers are connected to the upper end and the lower end of the claw connecting piece through the wheel angle adjusting pieces correspondingly; the inclination angles of the upper and lower ends of the wheel are controlled through the vertically arranged adjusting rods, so that the mounting angle of the wheel can be adjusted, and the use is practical.

The asphalt stirring machine comprises a barrel body, a barrel cover is connected to the upper end of the interior of the barrel body in a clamped mode, a supporting structure is fixedly connected to the upper surface of the barrel cover, a driving motor is arranged at the upper end of the supporting structure, and the output end of the driving motor is in transmission connection with a stirring shaft; stirring blades are fixedly connected to the side surface of the stirring shaft, connecting rods are fixedly connected to the four corners of the lower surface of the supporting structure, lifting grooves are formed in the surfaces of the inner sides of the connecting rods, and micro motors are fixedly connected to the bottom ends of the interiors of the lifting grooves. In the use process, asphalt is stirred through the stirring blades, meanwhile, the threaded lead screw is driven by the micro motor to rotate, the lifting block drives the electric heating rod on the inner side to ascend and descend in the barrel body, and therefore the asphalt at different depths and different positions is evenly heated.

The utility model discloses a highway toll station system based on mobile phone payment, which comprises a toll collection shell, and a mobile phone payment mechanism is arranged on the right side of the toll collection shell. The mobile phone payment mechanism comprises a charging computer, a motor, a motor shaft, a first handrail and an infrared correlation sensor; a charging computer is fixedly embedded in the top of the front side of the charging shell, a motor is connected to the right side of the charging computer through bolts, and a motor shaft is connected to the front side of the motor. According to the utility model, the charging computer, the motor and the first handrail are arranged on the charging shell, mobile phone payment can be carried out by using the charging computer, after the mobile phone payment is completed, the charging computer controls the motor and the first handrail to move upwards, so that vehicles can pass normally, and when the device is installed on an ETC channel, dual license plate recognition can be formed by using ETC and mobile phone payment, so that the charging efficiency is improved. After ETC recognition and fee deduction, the device can recognize the license plate of the vehicle, and when the recognized license plate and the paid license plate are not the same, the handrail cannot be opened, so that the situation of rubbing the ETC is avoided.

The utility model discloses an electroplating device for preparing a nickel preplating base band, which comprises an electroplating bath and a support plate, the electroplating bath is installed and connected on the upper end position of the support plate, in the electroplating device, a drying assembly, a rolling assembly, a driving motor and a plurality of groups of rolling shafts are matched for use, so that automation of a plurality of steps is basically realized; when the drying assembly is installed, firstly, supporting rods on the two sides of the lower end of the drying box are fastened to a supporting plate, an air inlet connector at the top end of the drying box is further connected with an external air pipe, and when the drying assembly is used, an electrolyzed base band penetrates out of openings in the front end and the rear end of the drying box; the section, entering the drying box, of the base band is heated and dried through the electric heating rod, in the drying process, wind power is injected through the air inlet connector, and therefore the drying effect is further improved, follow-up finishing is facilitated, the device is easy to operate, automation of multiple steps is basically achieved, the working efficiency is greatly improved, and use is quite practical.

The utility model discloses a door lock latch bolt reversing mechanism which comprises a lock body, a spring bolt is telescopically arranged in the lock body, the spring bolt comprises a latch bolt and a connecting rod, a mounting frame is arranged in the lock body, the connecting rod is matched with the mounting frame in a sliding mode, and an abutting spring abuts against the latch bolt and the mounting frame. The connecting rod is sleeved with the abutting spring, the connecting rod is provided with a first limiting flange used for limiting the connecting rod to be disengaged from the mounting frame, the latch bolt is rotatably connected to the connecting rod, the lock body is further rotatably provided with an operating rod, and the operating rod is arranged on one side of the connecting rod. A swing arm used for being clamped between the first limiting flange and the mounting frame to enable the latch bolt to be partially inserted into the lock body is arranged on the operating rod in a matched mode, and a traction spring used for resetting the operating rod to keep the swing arm between the first limiting flange and the mounting frame is further connected between the lock body and the swing arm. The latch bolt reversing mechanism is simple in structure, reasonable in layout, convenient and efficient in latch bolt reversing operation and good in using effect.

The invention discloses a copper-based antibacterial coating grey cloth manufacturing process which comprises the following steps: guiding and conveying grey cloth, unwinding the grey cloth by an unwinding device, and winding the grey cloth by a winding device at the same time; the correspondingly arranged first motors drive the corresponding first feeding guide roller set, the second feeding guide roller set, the first discharging guide roller set and the second discharging guide roller set through chains and push gray cloth making contact with the first feeding guide roller set, the second feeding guide roller set, the first discharging guide roller set and the second discharging guide roller set to move. The copper-based antibacterial coating gray fabric manufacturing equipment is provided with a rotating head, a coating spraying set and an air nozzle, a second motor drives the rotating head to rotate, an external air conveying device conveys air to an air cavity through an air-liquid sliding ring, and at the moment, the air is sprayed out through the air nozzle when the rotating head rotates; an external coating conveying device conveys the coating to the coating cavity through the gas-liquid sliding ring, at the moment, the coating is sprayed out through the coating nozzles on the rotating head, the coating sprayed out of the multiple rotating coating nozzles is uniform, the atomized coating sprayed out of the coating nozzles is disturbed in cooperation with gas sprayed out of the gas nozzles, and the coating is distributed more uniformly.

The application discloses a DC engineering reactive state change pre-judgment DC transmission power upper limit method, comprising the following steps: (S1) obtaining a preset reactive state; (S2) setting the running valve group power in the preset reactive state as a valve group limit transmission power value; (S3) performing control calculation according to a reactive control strategy; (S4) outputting a reactive control strategy calculation result; (S5) judging whether there is a reactive device switching, a control command and a reactive control mode switching command in the calculation result; if there is a corresponding command, updating the corresponding preset reactive device state and reactive control function setting value, and performing (S3); if there is no corresponding command, performing (S6); (S6) calculating the DC transmission power upper limit under the current preset reactive state according to the valve group state adjustment command in the calculation result; and (S7) outputting the DC transmission power upper limit under the current preset reactive state. The application has the advantages of no need of manual judgment and simulation resources, short time consumption, accuracy and reliability, convenience and practicality.

The utility model relates to the technical field of explosion-proof protection, and discloses a positive pressure explosion-proof protection device, which comprises a gas storage cabinet and an exchanger, a compressed gas tank is arranged in the gas storage cabinet, the gas storage cabinet is fixedly arranged on the outer side of a power distribution cabinet, and the exchanger comprises a first connecting box and a second connecting box. A plurality of heat exchange pipes are fixedly mounted between the first connecting box and the second connecting box, the first connecting box is communicated with the second connecting box through the heat exchange pipes, the first connecting box is communicated with the compressed air tank through an input air pipe, and a pressure release valve is fixedly mounted on the surface of the second connecting box. Compressed nitrogen is introduced into the exchanger through the compressed gas tank, the exchanger is arranged in the power distribution cabinet, the compressed nitrogen expands in the exchanger to absorb heat so as to achieve the auxiliary heat dissipation effect, and meanwhile nitrogen discharged by the pressure release valve is introduced into the power distribution cabinet, so that the air pressure in the cabinet is larger than the external air pressure, and a positive pressure environment is formed. External combustible gas and dust can be effectively prevented from entering the power distribution cabinet, and the positive-pressure explosion-proof effect is achieved.

The present invention relates to the field of wire cutting technology, and in particular to a wire adjustment device and adjustment method for wire cutting, comprising a workbench and a wire conveying assembly arranged on the top of the workbench, and also comprising a drive adjustment assembly and a trigger assembly arranged on one side of the workbench, wherein the winding directions of the two groups of wire storage barrels are opposite; the trigger assembly comprises a through slot opened on the side of the wire storage barrel and a trigger portion arranged inside the wire storage barrel and extending to the outside of the through slot, and when the wire on the wire storage barrel squeezes the trigger portion, the extrusion column is triggered to move longitudinally, and after the limit portion moves from the limit section into the connecting section, the deceleration section is squeezed and the rotation speed of the extrusion column is reduced. The present invention cooperates with the drive adjustment assembly and the trigger assembly, etc., so that there is a deceleration process before the winding trigger reversing, which solves the problem that the instantaneous reversing drive under the action of inertia easily causes the wire on one side of the wire storage barrel to be tight and broken, while the wire on the other side is easy to loosen and detach.

The present application relates to a vacuum coating device, which includes a vacuum chamber, a rotating table rotatably arranged in the vacuum chamber, and a material discharge seat arranged on the rotating table; a gear plate coaxial with the rotating table is fixedly arranged in the vacuum chamber, a planetary turntable is rotatably arranged on the rotating table, a planetary turntable is coaxially arranged on the planetary turntable, a planetary gear meshing with the gear plate is coaxially arranged on the planetary turntable, and the material discharge seat is arranged on the planetary turntable; a plurality of mounting grooves arranged in a circumferentially spaced ring pattern are arranged on the material discharge seat, a mounting frame is detachably installed in the mounting groove, a placement frame extending to the outside of the mounting groove is arranged on the mounting frame, and the placement frames are arranged in sequence along the height direction of the material discharge seat; a limiting rod is arranged on the planetary turntable, and the material discharge seat is movably arranged outside the limiting rod. The present application has the effect of shortening the material collection cycle and further improving the production efficiency.

The utility model relates to the technical field of collecting box bodies, in particular to a chemical experiment waste liquid collecting box which comprises a bottom plate, a supporting plate fixedly connected to the top of the bottom plate, a collecting box body fixedly connected to the top of the supporting plate, a processing mechanism arranged on the side face of the collecting box body, and a liquid outlet mechanism arranged at the bottom of the supporting plate. The liquid outlet mechanism comprises a liquid outlet pipe fixedly connected to the side face of the collecting box, the liquid outlet pipe communicates with the collecting box, an electric control valve is arranged outside the liquid outlet pipe, a vertical plate is fixedly connected to a top plate of the supporting plate, a round rod is rotationally connected into the vertical plate, and a rectangular plate is fixedly connected to the side face of the round rod. Through cooperative use of the liquid outlet mechanism, after waste liquid treatment is completed, the rotating rod can be driven to rotate under the action of the air cylinder, then the collecting box body is made to incline, all waste liquid in the collecting box body can be discharged through the liquid outlet pipe, the liquid outlet speed of the waste liquid is increased, and the collecting box body is more practical in use.

The utility model discloses a gluing device for hollow glass processing, and particularly relates to the technical field of glass processing, the gluing device comprises a workbench, the inner wall of a groove at the upper end of the workbench is movably connected with a clamping device, the middle part of the upper end of the workbench is movably connected with a buffer pad, the upper end of the buffer pad is fixedly connected with a plurality of second suckers, and the second suckers are fixedly connected with the clamping device. The gluing device comprises a workbench, the four corners of the upper end of the workbench are fixedly connected with a support, the inner wall of a groove of the support is movably connected with a moving device, the lower end of the workbench is movably connected with a lifting device, and the four corners of the lower end of the lifting device are fixedly connected with four supporting legs. According to the hollow glass gluing device, the distance between the clamping pieces can be adjusted according to different sizes of hollow glass, the gluing component can be freely adjusted according to actual use requirements, the device is more flexible and convenient to use, the height of the device can be adjusted, and the device can be used by workers with different heights.

The utility model relates to the related technical field of fixing structures, in particular to a fixing structure of a wiring terminal, which is characterized in that a fixing block is arranged at the top end of a fixing stud, and the fixing stud can be fixed on a plate through a screw rod and a nut; a fixing assembly is arranged on the fixing block, and the fixing assembly comprises a groove formed in the top of the fixing block; the convex block is arranged on the fixed block; the cover plate is arranged at the top of the fixed block; the connecting block is arranged at the top of one end of the cover plate; one end of the cross rod penetrates through the convex block and the connecting block, is fixedly connected with the convex block and is rotationally connected with the connecting block; according to the fixing structure and the fixing assembly, the cover plate can rotate through the design of the convex block, the connecting block and the cross rod, the terminal is placed in the groove, the cover plate rotates to be attached to the fixing block, the terminal can be limited from moving out of the groove, and therefore the purpose of fixing the terminal is achieved. Compared with the prior art, the device can adapt to terminals with various shapes. And the use is more practical.

The present invention relates to the technical field of infusion flow testing, and discloses an infusion flow testing system, including a device bottom box, wherein a flow testing mechanism and a circulation testing mechanism are arranged on the top of the device bottom box; the flow testing mechanism includes a first support rod, a second support rod, a water tank, a fixed frame plate, a circular groove, an electric telescopic cylinder, and a fixed ring. The present invention uses a rotating cylinder, a blade and a wireless infrared counter-radiation sensor inside a flow testing shell. When the first infusion tube and the second infusion tube are connected to the flow testing shell, the liquid contacts the blade to drive the blade, the first non-infrared counter-radiation sensor, and the rotating cylinder to rotate. The first wireless infrared counter-radiation sensor on the blade and the second wireless infrared counter-radiation sensor are constantly counter-radiated, and the counter-radiation signal can be sent to an industrial control computer. The flow of the infusion device can be judged after the number of counter-radiations, thereby conveniently detecting the infusion flow and obtaining the flow data.

The utility model belongs to the technical field of spraying for building construction, and discloses spraying dust-settling equipment for building construction, which comprises a base, a side frame is fixedly arranged at the top end of the base, a pneumatic hammer is rotatably arranged in the side frame, a spraying nozzle is rotatably arranged on the left side of the pneumatic hammer, and an opening adjusting component is further arranged in the spraying nozzle; the opening adjusting assembly comprises a fixing block fixedly arranged on the outer side of the spraying nozzle, an adjusting long screw rod penetrates through the interior of the fixing block, the adjusting long screw rod and the fixing block are rotationally arranged, a lifting ring is spirally arranged on the outer side of the adjusting long screw rod, and through the adjusting long screw rod and the lifting ring structure in the opening adjusting assembly, the opening of the spraying nozzle can be adjusted. The long screw structure can be controlled and adjusted, the transmission shaft on the outer side is controlled to rotate, the spraying nozzles are pushed to be matched with the telescopic belts to be unfolded, accordingly, the spraying range of the spraying nozzles is adjusted and changed, the spraying range is reduced, and the spraying dust falling equipment for building construction is more practical in use.

The utility model relates to the technical fields of roller shutter door accessories disclose a switching handle of clutch roller shutter door, including pull rod and fixed link, the one end of pull rod is provided with locking unit, the other end passes through first curved arm hinged fixed link one end, the fixed link is fixed on the wall, be provided with the connecting block that can reciprocatingly move on the fixed link, the one end of connecting block passes through second curved arm and pull rod interlink hinged, the other end is provided with steel rope connecting bolt, the switching handle of clutch roller shutter door can pass through key unlocking locking unit to can pull pull rod, make pull rod swing on fixed link through first curved arm, in the swing process, second curved arm pulls the connecting block and moves to one end direction, to make the connecting block pull the steel wire rope that is connected with clutch, need to reset, need not to adopt the traditional way that the steel wire rope is pushed into slowly, only need to pull back and reset the pull rod, make the connecting block reset can, use more convenient, practical.

The utility model relates to the technical field of vibration discs, in particular to a vibration disc with a lifting structure, which comprises a bottom plate, a cylinder is fixedly connected to the top of the bottom plate, a lifting mechanism and a limiting mechanism are respectively arranged in the cylinder, a supporting rod is fixedly connected to the bottom of the bottom plate, and a suction cup is fixedly connected to the bottom of the supporting rod. The lifting mechanism comprises a gear ring fixedly connected to the surface of the bottom plate, and a driving motor is mounted on the surface of the bottom plate; by arranging the lifting mechanism, the ground clearance of the vibration disc body can be adjusted, then the vibration disc body can be suitable for feeding ports of machines with different heights, the vibration disc body is more practical in use and wider in use range, and then the functionality of the vibration disc body can be improved; and meanwhile, the terrain clearance value of the vibration disc body can be displayed through a height sensor and a display screen, so that the height of the vibration disc body is more accurately adjusted.

The utility model relates to the technical field of database all-in-one machine processing, in particular to a plate surface spraying device for database all-in-one machine production, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a paint spraying main box body, the front surface of the paint spraying main box body is movably connected with a movable door, and the left side of the paint spraying main box body is provided with a dustproof assembly. And the dustproof assembly comprises a cleaning water tank, the cleaning water tank is fixedly connected to the top of the bottom plate, the top of the cleaning water tank fixedly communicates with a water supplementing pipe, a heating rod is fixedly connected to the interior of the cleaning water tank, and a water suction pump is fixedly connected to the top of the cleaning water tank. According to the board surface spraying equipment for database all-in-one machine production, by installing the dustproof assembly, cleaning and dust removal can be conveniently conducted on the interior of the board surface spraying device, the situation that dust falls onto the board surface of the database all-in-one machine in the paint spraying process to affect the paint spraying effect is avoided, and the smoothness and firmness of the paint surface of the board surface are enhanced; and the paint spraying device is more practical in use.

The invention relates to the technical field of extraction of chlorogenic acid from folium cortex eucommiae, and discloses a preparation process and method for extracting chlorogenic acid from folium cortex eucommiae, a preparation cylinder is included, an extraction filtering mechanism is arranged in the preparation cylinder, an additional filtering plate assembly is arranged on one side of the extraction filtering mechanism, and a cover plate is movably connected to the top end of the preparation cylinder. Through the arrangement of the extracting and filtering mechanism, the effect of conveniently extracting and filtering chlorogenic acid in folium cortex eucommiae can be achieved, in the using process, auxiliary fixing and further pressurized extraction of an extracted product are completed through a filter plate and a pressing plate, then the extracted product is placed in water to be soaked and extracted, then the filter plate is pulled up through a pull rod, and then the extracted product is taken out through the pull rod. The filter plate is used for filtering the eucommia ulmoides leaf particles and the extracting solution, so that the situation that a plurality of devices are needed to complete extraction and filtration as the traditional preparation equipment needs to perform extraction and then perform filtration can be avoided, the integrity of the preparation equipment is ensured, and the preparation equipment is more practical to use.

The utility model relates to the technical field of engine part machining, in particular to a guiding and positioning tool for engine part machining, which comprises a bottom plate, a top plate fixedly connected to the top of the bottom plate, a through groove formed in the top plate, a rectangular plate slidably connected in the through groove, and a connecting plate fixedly connected to the top of the rectangular plate. Clamping plates are fixedly connected to the tops of the connecting plates, grooves are formed in the clamping plates, and protective pads are arranged on the side faces of the clamping plates; through cooperative use of an air cylinder, an inserting rod, an inserting hole, a connecting plate, a pressing plate, a driving motor, a disc, a round rod, a lantern ring, a steel rod, an abutting rod and a rotating rod, a moving plate can be driven by the driving motor to move in the vertical direction, then a rectangular plate, the connecting plate and a clamping plate are driven by the moving plate to move, and a part is clamped through the clamping plate; and meanwhile, the air cylinder drives the pressing plate and the inserting rods to move downwards, the inserting rods are inserted into the inserting holes, then accidental movement of the rectangular plate and the connecting plate can be avoided, and the clamping and positioning quality of the parts is improved.