37results about How to "Stable suction" patented technology

The invention discloses a raw material sampling device for photoresist production, which relates to the field of photoresist production and comprises a bottom plate and a storage box fixedly mounted on one side of the top of the bottom plate. In the sampling process, a driving motor drives a first crank through a belt transmission piece to promote a first push rod to perform circular motion so as to drive a first driving block to slide, and the mechanism ensures the swing of a swing rod, so that the reverse acting force of a second driving block is triggered, and a second crank also moves along with the second driving block; the rotating rod transmits force to the sliding block to trigger swinging of the movable rod, the action directly controls movement of the second fixed rod and the sampling piece, it is ensured that the sampling pipe can accurately cut into the sample storage box, stable and consistent sampling is achieved, sampling is conducted under the same standard and condition each time, and therefore the consistency of the sampling amount is ensured, and the sampling efficiency is improved. In addition, due to the automatic sampling process in the closed environment, the external pollution risk is reduced to the maximum extent.

The invention discloses a crystal resonator chip mounting device, which comprises a shell arranged in a chip mounter, and the top of the shell is an open end; the tray is used for placing the crystal resonators, the tray comprises a frame, a plurality of notches are formed in the frame, rubber grooves are formed in the notches, and the rubber grooves are used for storing the crystal resonators; the feeding assembly is arranged in the shell and comprises at least two chains, driving teeth are arranged at the two ends of each chain, driving rods are fixedly connected into the driving teeth, the two ends of each driving rod are rotationally connected with the inner wall of the shell, connecting pieces are arranged on the chains in an array mode, and the connecting pieces synchronously move along with the chains; clamping blocks are fixedly connected to the connecting pieces, trays are placed between the clamping blocks, and clamping plates are fixedly connected between the clamping blocks and the clamping blocks on the adjacent chains. And the push-out mechanism is arranged on the upper side of the shell, and the push-out mechanism is used for pushing the empty trays out of the shell.

The negative pressure liposuction device comprises a machine shell, a liquid storage pipe and a collecting pipe are installed at the bottom of the side face of the machine shell, a liquid injection opening is formed in the surface of the machine shell, a suction pump is installed at the back end of the machine shell, a connecting pipe is connected between the suction pump and a cover plate at the top end of the collecting pipe, and a top plate slides in the liquid storage pipe. According to the device, through the arrangement of the top plate, the adjusting pipe, the electric push rod and the suction force adjusting mechanism, the suction force in an area with more or less fat is adjusted according to the input amount of the swelling liquid, and fat tissues can be separated and liquefied more effectively by increasing the input amount of the swelling liquid in the area with more fat; the suction process is smoother, fat can be sucked more quickly through large suction force, the operation time is shortened, and the risk of injury to subcutaneous tissue can be reduced by reducing the input amount of swelling liquid and the suction force in an area with the small fat amount.

The utility model provides a sucker for a manipulator, which solves the problems of larger stress, non-uniform stress distribution, smaller rotation angle range, explosion of an exhaust pipe and the like of the existing sucker for the manipulator, and can ensure that the 360-degree rotation air flow of the sucker is smooth and the suction force of the sucker is stable in the rotation process. Comprising a bottom plate assembly and an exhaust pipe. The bottom plate assembly comprises a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are connected through a plurality of sets of elastic components, corresponding air suction holes are formed in the first bottom plate and the second bottom plate, one end of the air suction hole of the first bottom plate is connected with the air suction hole of the second bottom plate through an elastic pipe, and the other end of the air suction hole of the first bottom plate is connected with an air suction pipe through a spring pipe. The elastic tube and the spring tube are used for transmitting gas. The vacuum chuck is widely applied to the technical field of negative pressure chuck equipment.

The utility model discloses a transformer magnetic core welding device which comprises a positioning platform, a pressing piece arranged on the upper side of the positioning platform and a driving mechanism for driving the pressing piece to ascend and descend, and welding machines symmetrically arranged on the two sides of the positioning platform and used for longitudinally welding a magnetic core to form a welding seam. A shading part is arranged on the upper side of the pressing part, transversely extends to cover the positions above the welding guns on the two sides and can be located at the fixed height positions of the two welding guns all the time in the longitudinal welding process of the welding machine. A suction opening is formed in the middle of the shading part and is connected with a smoke exhaust device through a hose. According to the utility model, the operation convenience can be ensured, and light pollution and air pollution in the welding process can be eliminated to the greatest extent.

The present application relates to the technical field of metal material heat treatment, in particular to a heat treatment furnace device and method capable of controlling temperature and cooling speed, wherein the furnace body is internally constituted as a hearth, the output end of the air supply system is located at the lower region of the hearth through the furnace body; the flow equalizing system is arranged at the lower region of the hearth and is in communication with the output end of the air supply system; the workpiece is placed on the flow equalizing system; the circulation and exhaust system is arranged at the upper region of the hearth and is in communication with the interior of the hearth, the temperature monitoring system is arranged on the circulation and exhaust system and is directly above the workpiece; the control system is electrically connected with the air supply system, the circulation and exhaust system and the temperature monitoring system. The present application effectively solves the problems of insufficient cooling speed and poor cooling uniformity in the prior art.

The invention discloses a walking device of an automatic welding trolley, and relates to the technical field of joint welding. When the trolley tends to deviate from the track due to bumps on a single-sided roller or other irresistible factors during driving, the magnetic insulation plate is made of magnetic insulation material, but a magnetically permeable seam that can be acted upon by a magnetic field is provided at the center of the magnetic insulation plate, and a second strong magnetic block is provided directly above the magnetically permeable seam, because the strong magnetic attraction of the second strong magnetic block can act on the joint of the workpiece through the magnetically permeable seam at the center, and the strong magnetic attraction is directly applied directly above the joint. From the perspective of force, the strong magnetic attraction acting directly above the joint will produce an anti-deviating correction effect between the front part of the trolley and the joint. When the front part of the trolley is about to deviate due to the bumps of the roller, the strong magnetic attraction will react quickly to correct the front part at the joint, so that the trolley will not deviate from the joint of the workpiece.

The utility model relates to vehicle technical field, specifically disclose liquid suction tube structure, plastic liquid tank and vehicle, the liquid suction tube structure includes liquid suction tube and support piece, liquid suction tube is configured as from the oil hole of the top wall of the tank body of plastic liquid tank and is inserted into the tank body and is fixed with the top wall of tank body, and the bottom wall interval of liquid suction tube and tank body is arranged, support piece is configured as setting up in the bottom wall of tank body, and liquid suction tube is fixed with support piece, because liquid suction tube and the top wall of tank body are fixed, support piece sets up in the bottom wall of tank body, and liquid suction tube is fixed with support piece, and then realize the support pipe and liquid suction tube jointly to the top wall and bottom wall of tank body play the supporting role, when the plastic liquid tank with the liquid suction tube structure is set up long -time work, the top wall of tank body is not easy to deformation and collapse, and then will not cause the clearance reduction of liquid suction tube from the bottom wall of tank body, avoid liquid suction resistance increase, keep liquid suction smooth.

This utility model discloses a dust collection device for cutting building decoration materials, including a debris collection device and a high-pressure blower. The debris collection device includes a collection bucket and a second air inlet pipe. A debris baffle is provided inside the collection bucket. An air inlet hole is formed through one side of the top of the debris baffle. Air outlet holes are uniformly formed around the air inlet hole at the top of the debris baffle. Limiting notches are uniformly formed on the outer side of the debris baffle. A base plate is fixedly connected to the bottom end of the second air inlet pipe, and an exhaust pipe is uniformly fixedly connected to the top of the base plate. A top connecting plate is fixedly installed at the top of the second air inlet pipe. This utility model effectively solves the problem of difficult high-temperature handling of metal cutting debris through an innovative design of water-cooled dust suppression and multi-stage interception. It utilizes the fine bubbles generated by the exhaust pipe to extend the gas-liquid contact time, combined with the debris baffle forcing the debris to collide and sink multiple times, rapidly cooling the high-temperature debris.

The utility model provides an air purifier with a combined shell, which relates to the technical field of air purifiers and comprises a bottom plate, a back plate fixedly mounted on the surface of the bottom plate, a purifier fixedly mounted on the surface of the bottom plate, a housing slidably connected to the surface of the back plate, and a top plate slidably connected to the surface of the housing. A fixing plate is fixedly mounted on the surface of the top plate, the bottom plate, the back plate, the purifier, the housing, the top plate, the fixing plate, a first bolt, a vent plate, a vent hole, an extension block and a groove structure are arranged, the housing slides along the back plate, when the extension block is attached to the groove, the housing can be assembled, the extension block and the groove can limit the housing, and therefore the housing can be conveniently assembled. The top plate and the back plate can be fixed through the first bolts, the problem that parts are lost when a large number of bolts are used for disassembling the shell for maintenance is effectively solved, and the shell is combined, so that maintenance is more convenient.

The present application relates to the technical field of analysis equipment, and discloses a precise sample adding system, which comprises a precision pump, a graduated tube and a rotary valve; during operation, the rotary valve is switched to a reagent port, a deceleration power mechanism is started, and an injection mechanism forms a negative pressure to suck reagent into the graduated tube; when the current dose of the graduated tube is equal to a target dose, the rotary valve is switched to the reagent port, and the liquid suction is repeated until all reagent suction is completed, and then the reagent is transferred to a detection port of the rotary valve; by setting the deceleration power mechanism as a power device of the precision pump, the liquid suction can be stabilized and the liquid suction resolution can be improved, and by setting the graduated tube, the liquid suction dose can be directly presented; it can be understood that the deceleration power mechanism sucks liquid, the liquid suction speed is reduced, and the operator can directly observe whether the liquid suction dose in the graduated tube is equal to the required dose; by using the low-cost graduated tube and the deceleration power mechanism, double liquid suction dose supervision can be realized, and the liquid suction precision can be improved.

The application discloses a kind of phosphogypsum leachate processing method and device, it is related to sewage treatment technical field, comprising: reaction tank and fixedly connected in the inside of the reaction tank support seat, the inside of the support seat is rotatably connected with stirring rod, the top of the support seat is equipped with first drive motor, and the output of the first drive motor is fixedly connected with the stirring rod;Suction aid, located in the inside of the reaction tank, for auxiliary with the sewage at the bottom of the reaction tank is pumped to top and mixed reagent discharge.The application is by being provided with suction aid, so that sewage forms the circulating flow of "bottom-top", this process can avoid the local concentration of bottom sewage due to gravity deposition (or pollutant enrichment) too high, while let top not fully mixed sewage and bottom circulating sewage again contact, so that the sewage concentration in the whole reaction tank is more uniform.

The utility model relates to the technical field of medical instruments, and particularly provides a medical dust collection head and medical dust collection equipment. One end of the storage piece is detachably connected with the sucking and sweeping piece; the storage part is used for storing the chippings adsorbed by the sucking and sweeping part; one end of the negative pressure filter pipe is detachably connected with the other end of the storage part, and the other end of the negative pressure filter pipe is detachably connected with the negative pressure pipe; wherein the storage piece is provided with an expansion pipe body, the expansion pipe body is provided with a lower storage cavity and an upper negative pressure cavity, and the lower storage cavity and the upper negative pressure cavity are separated through a blocking baffle; one end of the negative pressure filter pipe is inserted into the upper negative pressure cavity; the blocking baffle is used for blocking part of chippings from entering the upper negative pressure cavity from the lower storage cavity. And therefore, paths for chippings to enter the negative pressure pipe are reduced. The blocking probability of the negative pressure pipe is effectively reduced, and the negative pressure pipe can keep stable suction force after being used for a long time.

The utility model discloses a water reducing agent concentration detects with sampling device, including empty cylinder, the empty cylinder outer surface fixedly connected with the connecting box, and the empty cylinder top insertion has the piston rod, and the connecting box is away from the piston rod one side and is equipped with the window, and the piston rod bottom fixedly connected with the piston main part, and the connecting box inside slide connection has the ration sampling mechanism, and the connecting box one side fixedly connected with the check valve mechanism, and the ration sampling mechanism includes the extrusion board, rubber block, spring no.

The utility model discloses a kind of mute door groups in the technical field of acoustics engineering, including door frame, the door frame inside is connected with door panel by hinged installation, first lock tongue accommodating slot is opened in the right edge of the door panel inside, the position of the door frame corresponding to door panel first lock tongue accommodating slot is equipped with second lock tongue accommodating slot in its and the inside surface of door panel bonding;The door panel inside is equipped with a transmission groove with specific bending line, by setting transmission groove, transmission ball and other structures between door frame and door panel and reasonable layout, reach accurate stable locking purpose.Compared with traditional mechanical lock, avoid rebound sound, do not destroy quiet atmosphere, compared with magnetic attraction lock, not affected by environmental humidity and frequent opening and closing, not demagnetization, guarantee door lock suction force and security performance.When door panel is closed, trigger slider drives lock tongue to insert into slot through transmission ball, reset spring helps reset, make locking reliable, convenient operation, improve door group safety, durability and practicality.

The utility model discloses a full-closed automatic dust feeding device, and relates to the field of dust material transportation, the full-closed automatic dust feeding device comprises a mobile vehicle, a negative pressure fan, a charging barrel, a connecting pipe, a blowback air bag and a snail turnover valve, one side of the charging barrel is connected with a material suction gun, a sleeve is sleeved outside the material suction gun, two sides of the sleeve are respectively provided with a limiting groove, and the snail turnover valve is connected with the negative pressure fan. And a fixing device is movably mounted outside the sleeve. According to the material suction device, the fixing device is arranged, and the material suction gun can be movably installed in the fixing device, so that the material suction gun can be fixed to the middle position of the upper edge of the wall of the barrel containing materials through the fixing device, and then raw materials in the material barrel can be evenly sucked when the material suction gun works; the problem that materials in a material barrel cannot be sucked thoroughly due to the fact that the material suction gun is clamped through the fixing device, the materials can be sucked evenly, then the materials are sucked more thoroughly, the number of times of manually adjusting the angle of the material suction gun is reduced, and then the workload of workers is reduced.

The utility model relates to the technical field of gluing devices, and discloses a gluing device for insulation paper production, which comprises a base, the surface of the base is fixedly connected with two groups of symmetrically arranged side plates, the side walls of the two groups of side plates are provided with through holes, connecting shafts are rotatably connected in the through holes, a gluing assembly is arranged between the two groups of connecting shafts, and the gluing assembly is connected with the base. And the gluing assembly comprises an inner cylinder, the inner cylinder is fixedly connected between the two sets of connecting shafts, and a plurality of sets of glue outlet grooves distributed in an array mode are formed in the outer wall of the inner cylinder. According to the gluing device for insulation paper production, rapid splicing and splitting are achieved through the two sets of semicircular cylinders by means of protruding strips, grooves and magnetic strips, it is guaranteed that the semicircular cylinders are stably connected during gluing through elastic positioning of springs, telescopic rods and positioning pins in the positioning assemblies, positioning is rapidly relieved by pressing lantern rings, and the gluing efficiency is improved. Residual glue of the sponge layer or the inner cylinder and the semicircular cylinder can be conveniently cleaned and replaced, and the time cost and the operation difficulty of equipment maintenance are reduced.

The invention relates to but not limited to the technical field of probiotic fermentation equipment, and discloses probiotic fermentation amplification equipment and method.The probiotic fermentation amplification equipment comprises a base, a barrel body arranged on the top of the base, a feeding pipe arranged on the outer side of the barrel body, a hollow top cover arranged on the top of the barrel body and a wave making pump arranged on the inner side of the base; the sampling unit is used for collecting a probiotic fermentation liquor sample in the barrel body. According to the probiotic fermentation amplification equipment, through cooperation of the sampling pipeline and the sampling holes, when sampling is needed, fermentation liquor in the sampling pipeline is sucked into the sampling holes, the driving assembly drives the rotating ring to rotate to switch the sampling holes in butt joint with the sampling pipeline, and the fermentation liquor in the sampling pipeline is sucked into the other sampling hole; the different sampling holes are used for containing different layers of fermentation liquor in the sampling pipeline, so that fermentation liquor samples in each area can be obtained, and an enforcer can judge the fermentation liquor in the barrel body more accurately.

The utility model discloses a liquid fuel burner capable of automatically returning oil and intelligently supplementing oxygen. The liquid fuel burner comprises a furnace end, an oil tank, an atomization gas mixing tank, an atomizer and an air blower. The oil tank comprises an oil filling port, an oil outlet and an oil return port; the atomization gas mixing box comprises a blower nozzle, an oil inlet, an oil outlet, a mist outlet and a gas mixing cavity; the atomizer is installed on the atomization gas mixing box, and liquid fuel at the oil inlet can be converted into mist and sent out towards the gas mixing cavity and the mist outlet. The blower can blow air to the gas mixing cavity; and the atomizer and the blower are electrically connected with the control center. According to the utility model, fuel oil at the oil discharge outlet can be automatically sucked and recycled into the oil tank to a certain extent, so that the air pressure in the oil tank is kept stable; by means of synchronous control of the atomizer and the air blower, the fuel suction atomization rate and the air supplement blowing rate can be conveniently and synchronously adjusted, and under different fire powers, the better air and liquid fuel ratio is kept for combustion.

The invention discloses an explosion-proof mechanical state transmitter which comprises a transmitter shell, a positioning solenoid is fixedly connected to the inner wall of an inner cavity of the transmitter shell, a PCB is arranged in the transmitter shell, the PCB is fixedly installed on the positioning solenoid through copper column screws, a display screen is welded to the PCB, and the display screen is fixedly connected with the transmitter shell. A mounting cover is mounted on the transmitter shell; the heat dissipation detection mechanism is located in the transmitter shell and is fixedly connected with the transmitter shell; according to the invention, the display screen is arranged on the PCB, so that the detected data can be better displayed, the toughened glass is additionally arranged on the mounting cover, and the explosion-proof threads are arranged between the mounting cover and the shell, so that the explosion-proof requirement is met.

The utility model discloses a filtering and collecting device capable of discharging liquid and separating solid from liquid, which comprises a bottle body with a bottle cap, the bottle cap is provided with a water inlet used for being communicated with the inside of the bottle body, and the bottle body is provided with a water outlet; the water outlet is formed in the bottom of the bottle body, a filtering piece is obliquely arranged in the bottle body and used for dividing the interior of the bottle body into a tissue collecting cavity and a liquid discharging cavity, the liquid discharging cavity is communicated with the water outlet, and the tissue collecting cavity is communicated with the water inlet and used for achieving liquid discharging and solid-liquid separation. The solid-liquid separator has the advantages that liquid can be discharged, and solid and liquid can be separated.

The utility model relates to integrated cooker technical field, and disclose a kind of integrated cooker of strong suction and silence, the burner is equipped on the stove body, the smoke suction port is equipped at the top of stove body, the first passageway is equipped inside stove body, the first passageway is communicated with smoke suction port, first passageway inner wall is fixedly connected with grating, grating side wall is equipped with heating assembly, and the heating assembly is heated to oil stain on grating, the stove body is equipped with oil collection component, and the oil collection component is collected to oil stain, the second passageway is equipped inside stove body, the second passageway inner wall is fixedly connected with sound-absorbing cotton, the first passageway is communicated with second passageway, and the grating is arranged between first passageway and second passageway;Heating assembly, namely wave-shaped heating pipe and metal heat-conducting sheet, is heated to oil stain on grating, so that it flows into oil collection box after melting, avoid oil stain to accumulate and block grating, ensure that air passage is smooth, maintain stable suction.

The utility model relates to a storage barrel for resin liquid, and relates to the field of liquid storage barrels. The device comprises a material storage barrel, the material storage barrel comprises a barrel body and a barrel cover, the barrel cover is installed at the upper end of the barrel body, the barrel cover is connected with the barrel body in a sealed mode, a positioning shell is installed on the upper end face of the barrel cover, the positioning shell and the barrel cover are integrally formed, a liquid outlet pipe set is installed on the upper end face of the barrel cover, and the liquid outlet pipe set is fixedly connected with the barrel cover. A multi-head adsorption pipe group is mounted in the positioning shell, and a liquid mixing shell is mounted at the head of the multi-head adsorption pipe group. The positioning shell is arranged on the barrel cover of the storage barrel, then the multi-head adsorption pipe set is installed through the positioning shell, and the multi-head adsorption pipe set is designed into a structure that the shell cover is matched with a plurality of liquid suction pipes with different lengths; in this way, during use, liquid in the barrel body can be adsorbed at the same time through a plurality of liquid suction pipes with different lengths, and then the sucked liquid can be rapidly mixed in the liquid mixing shell.

The utility model relates to the field of medical instruments, in particular to a balloon catheter for trifurcate microballoon compression surgery, which comprises a catheter body and a balloon arranged outside the head end of the catheter body, two conveying chambers are formed in the catheter body through a separator, and the conveying chambers are respectively and correspondingly communicated with a bifurcate joint at the tail end of the catheter body. The conveying chamber comprises a radiography chamber and a liquid suction chamber, and the radiography chamber and the liquid suction chamber are not communicated with each other. A liquid suction hole is formed in the head end of the liquid suction cavity, a plurality of supporting protrusions are arranged at the position, away from the balloon section, of the inner side of the tail end of the liquid suction cavity, and the four sets of supporting protrusions are symmetrically arranged in the radial direction of the inner side of the liquid suction cavity and distributed at equal intervals in the axial direction of the liquid suction cavity. By means of the double-cavity balloon catheter, the synchronous surgery process of balloon filling and cerebrospinal fluid extraction in radiography is achieved, and the technical problems of pollution and mutual influence caused by re-puncture and implementation of the two processes in the same channel are solved. The structure is reasonable in design, convenient to operate and high in practicability.

The invention discloses an active collection type air compressor deoiling mechanism which comprises a separation box body, a deoiling filter element, an oil absorption cover, a power mechanism, a stretching guide pipe and an oil passing pipeline. The oil suction cover is installed on the periphery of the inner side of the deoiling filter element in an abutting mode, suction is conducted in sequence through the suction pipe, the suction cover, the oil passing pipeline and the stretching guide pipe, so that the oil suction cover can suck oil liquid on the deoiling filter element, meanwhile, the power mechanism drives the oil suction cover to float up and down, the oil suction cover evenly sucks oil liquid on the deoiling filter element, and the oil suction efficiency is improved. In this way, the deoiling filter element can be deoiled efficiently, conveniently, sufficiently and quickly.

The invention provides a slow-release fixing seat, a preparation method thereof and an aerosol product. Raw materials of the slow-release fixing seat comprise tobacco materials so as to form the slow-release fixing seat or cover a fixing area of a heating body connected with the slow-release fixing seat. The tobacco material in the slow-release fixing seat can release flavor more slowly compared with a heating area under the action of the heating body with one end connected with the tobacco material, so that the defects that the aerosol generating matrix at the front end of the heating body bursts to release before smoking after being heated, and the content of released substances in the later period is sharply reduced are overcome; the flavor of the aerosol product is more uniformly released before and after smoking, and the smoking feeling is improved; in addition, due to the structural characteristics of the tobacco material, the tobacco material has the capability of adsorbing and containing liquid substances, so that the flexible regulation and control of the flavor adjusting agent become possible.

The utility model relates to a material suction end effector for a disordered sorting robot, which comprises a connecting support, a sucker, an air inlet structure, a compression part and a pneumatic structure, the air inlet structure is arranged on the connecting support, one end of the connecting support is connected with the tail end of the sorting robot, and the input end of the pneumatic structure is connected with an air source. The output end of the pneumatic structure is connected with the input end of the air inlet structure, one end of the compression part is connected with the output end of the air inlet structure, and the other end of the compression part is connected with the suction cup. When the disordered sorting robot sucks or places parts or articles, if point positions are not accurate enough, compressed parts are further compressed to different degrees, it is ensured that the suction cup and the surfaces of the parts or the articles are in an approximate plane shape, accordingly, the suction force of vacuum negative pressure is kept relatively stable, meanwhile, rigid contact between a suction end effector system and the parts or the articles is avoided, and the product quality is improved. Unnecessary parts or articles and parts of the material suction end effector are damaged.

This utility model relates to the field of pipe technology and discloses a novel split-bowl pipe, including a pipe body, a connecting rod fixedly connected to the outer wall of the pipe body, a bowl magnetically connected inside the pipe body, a silver ring fixedly connected inside the bowl, a filter screen fixedly connected inside the silver ring, a cavity opened inside the pipe body, a connector slidably connected inside the connecting rod, a mouthpiece fixedly connected to one end of the connector, and a flue opening inside the mouthpiece for the passage of smoke. In this utility model, when inhaling, the smoke is directly injected from the round hole at the bottom of the bowl to the bottom of the cavity. During this process, the smoke cools down, effectively condensing moisture, tar, and nicotine in the tobacco. After being cooled by the filter cavity, the smoke entering the mouth is greatly reduced in terms of irritation, achieving the effects of preventing burns and scalding, and making pipe smoking smoother. This solves the problem of small internal cavities in pipes, which can easily lead to insufficient smoothness when smoking, thus improving the practicality of the pipe.

The invention discloses an effusion drainage device for tumor nursing in the technical field of medical apparatus and instruments, the effusion drainage device comprises a placement end and a suction end, a suction pipe is arranged between the placement end and the suction end, a plurality of suckers are circumferentially arranged on the placement end, and the suckers are communicated with the suction end through air pipes; a sealing assembly is arranged on the suction pipe and comprises a shell, a center rod, a first electromagnet and a second electromagnet. A first measuring assembly and a second measuring assembly which are used for hydroelectric generation are arranged on the two sides of the sealing assembly respectively, the first measuring assembly is located in the suction pipe, the second measuring assembly is located at the liquid outlet end of the suction pipe, the first electromagnet is electrically connected with the first measuring assembly, and the second electromagnet is electrically connected with the second measuring assembly; a shifting assembly used for controlling the second measuring assembly to be electrically connected with the first electromagnet or the second electromagnet is arranged in the center rod. The device can be conveniently fixed at the wound position, meanwhile, effusion reflux is reduced, and the drainage adjusting operation process of medical staff is reduced.

This utility model relates to the field of garden tool technology, specifically a lawn mower for trimming lawns, including a base plate, a cutting mechanism, and a dust collection mechanism. The cutting mechanism and the dust collection mechanism are fixedly connected to the top of the base plate. In this utility model, through the inclusion of an electric height adjustment column, a stone barrier, and cutting blades, the electric height adjustment column can independently and precisely control the height of each cutting blade, allowing for easy and targeted adjustments based on the actual needs of different lawn areas. The stone barrier is rotatably connected to the outer surface of the base plate and remains stable after being adjusted to a suitable angle. During the cutting process, the stone barrier can flexibly adjust its angle according to the actual situation, thereby more comprehensively blocking flying stones, rocks, and other debris, preventing injury to the operator, and reducing damage to the surrounding environment and other equipment. Compared to a fixed-angle stone barrier, this significantly improves safety and protection during operation.