322 results about "Micro pump" patented technology

The utility model discloses a novel anti-crystallization nozzle structure, which relates to the technical field of urea nozzles and comprises an exhaust pipe, a nozzle body is fixedly mounted in the middle of the top of the exhaust pipe, a heat preservation mechanism is fixedly mounted at the top of the exhaust pipe, and a heat conduction mechanism is fixedly connected to the outer surface of the exhaust pipe. By the adoption of the structure, the heat preservation mechanism and the heat conduction mechanism cooperatively operate, when a vehicle runs, the heat absorption coil pipe is sleeved outside the high-temperature exhaust pipe, heat of the exhaust pipe is efficiently conducted to the heat conduction medium in the coil pipe, the heated medium naturally ascends and flows into the heat preservation tank based on the heat rising and cold falling characteristics, and automatic temperature rising during running is achieved; the micro pump is started to pump the heated heat-conducting medium in the heat-insulating tank to the heat-conducting coil pipe, the heat-conducting coil pipe transfers heat to the heat-conducting sleeve to preserve heat of the nozzle body, crystallization in the nozzle caused by sudden drop of external temperature is effectively avoided, normal use and stable performance of the nozzle are greatly guaranteed, and reliable operation of the whole system is guaranteed.

The invention belongs to a lumbar vertebra brace, and particularly relates to an intelligent self-adaptive lumbar vertebra rehabilitation brace combining targeted physiotherapy and biological feedback, which comprises a shell consisting of a front piece, side wings and a rear piece, the treatment module is arranged in the through hole area of the front piece and integrates a vibration actuating array, a flexible warming piece and a TENS electrode; the sensor module is provided with an overall detachable patch, and the sensor module integrates an interface pressure array, an IMU, an sEMG, an NTC and a PPT micro probe; the multi-cavity air bags are arranged along transition areas of the side wings and the front piece in a partitioned mode, and the micropump and the electromagnetic valve are connected with the multi-cavity air bags. One end of the self-adaptive winding adjusting module is arranged on the rear piece, the other end of the self-adaptive winding adjusting module is located in a winding cavity of the side wing and connected through a pull rope, the side wing end can be wound and stretched to adjust the tightness degree, vibration, heat and TENS parameter self-adaption are carried out on a pain point through PPT and sEMG feedback, lumbago can be reduced in a short time, and the curative effect can be quantified through PPT and myoelectricity.

A semiconductor biosensor diagnostic system is provided. The semiconductor biosensor diagnostic system includes a diagnostic cartridge and a cartridge diagnostic base. The diagnostic cartridge includes a biosensor device and a fluid-guide body over the biosensor device. The fluid-guide body includes a first pumping opening, a second pumping opening, a buffer reservoir, a sample reservoir, and a plurality of channels configured to provide a first loop including the first pumping opening and the buffer reservoir, and a second loop including the second pumping opening and the sample reservoir. The first loop and the second loop sharing a common channel passing through the biosensor device. The cartridge diagnostic base includes a plurality of micro pumps coupled to the first pumping opening and the second pumping opening, and a sensing structure configured to receive a sensing information from the biosensor device.

The invention discloses a handheld ultrasonic beauty instrument, and relates to the technical field of beauty instruments, the handheld ultrasonic beauty instrument comprises a handle, a connecting shell is fixed at one end of the handle, a probe is fixed at the open end of the connecting shell, an ultrasonic generator a is fixedly mounted in the probe, the handheld ultrasonic beauty instrument further comprises an atomization mechanism, and the atomization mechanism comprises a storage cylinder fixed in the handle; a partition plate is fixed in the storage cylinder, a micro pump is fixedly installed in the handle, and a proportional valve is arranged between the micro pump and the storage cylinder. Through a proportioning system constructed by the micro pump and the proportional valve, the concentration of the cosmetic liquid can be dynamically adjusted in real time in the operation process of the ultrasonic cosmetic instrument, and based on the instant skin type requirement and scene change of a user, the user can conveniently use the ultrasonic cosmetic instrument. The mixing ratio of the concentrated cosmetic liquid to the solvent is accurately controlled, so that the high-activity component acts on the skin at the optimal concentration, and on the basis, the proportioned cosmetic liquid can be converted into nano-scale fog drops through the ultrasonic generator b, so that the transdermal absorption rate is remarkably improved, and the cosmetic effect is further enhanced.

The invention provides an eyewash equipment liquid flow control method and system, and relates to the technical field of eyewash equipment liquid flow control. The method comprises the following steps: judging whether a liquid flow path at an outlet of a nozzle is blocked or not according to a fluid pressure signal; when the micro pump is judged to be blocked, controlling the micro pump to suspend or reduce the liquid flow, and recording the blocking duration; when it is judged that the liquid flow path is smooth, liquid conveying is recovered, and the duration time when the liquid flow path is blocked is accumulated; and after the preset total conveying time is over, extra time for supplementing conveying is calculated, and the micro pump is controlled to carry out extra liquid conveying according to the extra time. The method aims at overcoming the physical interruption of instant eye reflection of a user on the micro liquid flow and solving the problem that an existing open-loop control system cannot sense the interruption so that the dosage of the liquid medicine is inaccurate, and therefore it is ensured that the total amount of the liquid medicine finally acting on the eyeballs is accurately consistent with the preset treatment dosage.

The prone position three-step body position pad comprises a head supporting frame, a thoracico-abdominal supporting frame and a leg supporting frame which are sequentially arranged, and the head supporting frame and the thoracico-abdominal supporting frame are connected through an adjusting device so that the height and the inclination angle of the head supporting frame can be adjusted; a plurality of air bags attached to the table top are arranged on the thoracico-abdominal supporting frame side by side, and the pressure of each air bag is independently adjusted through a micro pump so that local protruding or sinking can be achieved. The chest and abdomen supporting frame and the leg supporting frame are connected through a lifting device so that the height of the leg supporting frame can be adjusted. Through the arrangement of the adjusting device, the height and angle of the head supporting frame can be controlled, and through the arrangement of the lifting device, the height of the foot supporting frame can be adjusted, so that the requirements of multiple body positions of the newborn are met; the multiple air bags are arranged on the thoracico-abdominal supporting frame, different thoracico-abdominal areas of the newborn can be supported in a differentiated mode, and the adaptability to diseases of the newborn is improved.

The invention provides an underground electric drive hydraulic control miniature power device, which belongs to the technical field of petroleum engineering, and comprises an oil path block, a front end cover and an oil tank shell, the left end of the oil path block is connected with the front end cover, the right end of the oil path block is connected with the oil tank shell, two cavities are formed among the oil path block, the front end cover and the oil tank shell, the other cavity is a micro element accommodating cavity; a circuit board, an electric pump assembly, an electromagnetic valve assembly and pressure meter assemblies are installed on the oil path block, the circuit board is electrically connected with the electromagnetic valve assembly, the two pressure meter assemblies and the electric pump assembly, and the miniature oil tank is communicated with the miniature element containing cavity through an oil injection hole in the oil path block. The liquid level of hydraulic oil in the micro-element containing cavity is higher than an inlet of the micro-pump. According to the invention, the action of the underground flow control valve can be realized through hydraulic control without a hydraulic control pipeline, the complexity of the pipeline and potential fault points can be reduced, and the reliability of the system is improved.

The utility model discloses a heat energy converter with a self-cleaning function, which comprises a heat energy converter main body which is provided with a heat exchange pipe fitting through a heat exchange chamber inside the heat energy converter main body, a pure water storage and heating cavity for heating pure water to generate hot steam to heat a heat exchange pipe fitting is formed in the bottom end in the heat exchange chamber through a sealing partition plate, through cooperation of a micro pump body, a three-way valve and a cleaning filter, the pure water in the pure water storage and heating cavity can be conveniently and periodically filtered in a circulating mode, scale impurities are effectively removed, and the service life of the heat exchange pipe fitting is prolonged. The water scale is prevented from being accumulated and condensed in the cavity and on the heat exchange pipe fitting, and the problem that the water scale is condensed on the inner wall of the combustion heating chamber and the surface of the heating rod is solved, so that the service life of the heat energy converter is prolonged, and the maintenance cost is reduced.

Proposed is a micropump. The micropump includes a head portion including a first and second movement guides and a first tip, and includes a body portion having at least a portion thereof accommodated in the head portion, the body portion including a core, a winding body, a first permanent magnet, a second permanent magnet, a first fixing guide, and a second fixing guide. The first movement guide and the first fixing guide are famed so as to correspond to each other, the second movement guide and the second fixing guide are formed so as to correspond to each other, a pole of the first permanent magnet faces or opposes a lower end contact surface of the core, and a facing direction of a pole of the second permanent magnet is same as a facing direction of the first permanent magnet.

This invention relates to the technical field of surface lubrication and friction measurement of machinery, and provides an apparatus and method for measuring the energy barrier at the surface solid-liquid interface of a microstructure. [Solution] The apparatus includes a micro-pump, a fixed elbow, a capillary tube, an upper contact surface, a lower contact surface, a droplet, a micro-movement stage, and a high-speed microscope camera. In this method, the micro-pump transports liquid to form a droplet between the upper and lower contact surfaces, the micro-movement stage is used to drag the lower contact surface at a constant speed to slide the droplet, and the high-speed camera monitors the deflection deformation caused by the droplet drag force of the capillary tube, calculates the dynamic drag force, and integrates the drag force-displacement curve to obtain the energy consumed by the droplet to overcome the microstructure. Finally, the solid-liquid interface energy barrier per unit area is obtained, overcoming the limitations of the conventional contact angle method, which cannot measure the dynamic interface energy barrier, and enabling direct and quantitative measurement of the surface solid-liquid interface energy of the microstructure.

The utility model relates to the technical field of cake production, in particular to a raw material pouring device for cheese cake production, which comprises a conveyor, a conveying belt and a slurry injection head. The grouting head is hollow and rotationally connected to the adjusting rod in a sleeving mode, and a check block is fixed to the outer ring of the adjusting rod and slidably connected with the inner wall of the grouting head. And the grouting head is communicated with the material box through a micro pump. Supporting plates are fixed to the machine frame on the two sides of the conveyor, threaded rods and limiting rods are arranged on the supporting plates, one ends of the limiting plates are connected to the threaded rods in a threaded and sleeving mode, and the other ends of the limiting plates are slidably arranged on the limiting rods in a sleeving mode. The device has the beneficial effects that the limiting assembly drives the limiting plate to move through the threaded rod and is attached and fixed to the two sides of the mold, mold deviation is avoided, it is ensured that the grouting position is accurate, and the product forming effect is improved. The adjusting assembly drives a gear through a motor, so that an adjusting rod rotates, a check block adjusts the size of a pulp outlet, the pulp injection amount is flexibly controlled, different cake types are adapted, and the production efficiency and flexibility are improved.

1. Name of the product in this design: Battery (Micro Pump). 2. Intended use of this design: for replaceable batteries. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses a sewage sampling device with a flushing function, and belongs to the technical field of sewage treatment. The sewage sampling device with the flushing function comprises a sampling mechanism, the sampling mechanism comprises a sampling barrel, the upper end surface of the sampling barrel is connected with a first connecting ring, the top surface of the sampling barrel is provided with a flushing mechanism, the flushing mechanism comprises a top cover, and the bottom end of the top cover is connected with a second connecting ring. The inner wall of the second connecting ring and the outer wall of the first connecting ring are both provided with threads, the second connecting ring and the first connecting ring are in threaded connection, the center of the upper end face of the top cover communicates with a connecting pipe, the bottom end of the connecting pipe penetrates through the top cover, extends to the outside and communicates with a high-pressure flushing head, and the outer side wall of the top cover is connected with a connecting block. A water tank is connected to one side of the connecting block, a micro pump is arranged at the bottom end in the water tank, the water outlet end of the micro pump communicates with a hose, and the end, away from the micro pump, of the hose penetrates through the water tank, extends to the outside and communicates with the end, away from the high-pressure flushing head, of the connecting pipe.

The invention discloses a silicon wafer polishing head pressure real-time adjusting system, which relates to the technical field of silicon wafer polishing, and comprises a shell which is arranged at the output end of polishing equipment, and the upper end surface of the shell is provided with a rotary joint; the separation disc is fixed in the shell and divides the interior of the shell into a liquid storage bin and a cooling bin from top to bottom, and the liquid storage bin is communicated with external liquid supply equipment through a rotary joint; the fixed disc is fixed in the cooling bin; the multiple micro pump valves are fixed to the upper end face of the fixing disc and communicate with the liquid storage bin through pipelines; the controller is fixed on the fixed disc and is electrically connected with the plurality of micro pump valves; the partition adjusting assembly is fixed to the lower end face of the cooling bin; the limiting ring is vertically arranged on the lower end face of the shell in a sliding mode and communicates with the micro pump valve through an adjusting pipe. The silicon wafer is installed on the lower end face of the partition adjusting assembly and located in the limiting ring.

The utility model discloses a shoe with a buffer structure, and relates to the technical field of shoe bodies. The shoe with the buffer structure comprises a shoe sole and the buffer structure arranged in the shoe sole, and at least one cavity capable of being filled with fluid is formed in the buffer structure; the cavity is at least partially provided with an open structure before being filled, a closed structure is formed after the cavity is filled with fluid through the open structure, and the volume of the cavity does not exceed the total volume of the buffer structure. According to the utility model, by filling different fluids and matching with the intelligent supplement module, the real-time dynamic adjustment of the buffer characteristic is realized. The supplementing module is matched with the micro electric pump and the Bluetooth communication module through the sensor to form a closed-loop control system, the pressure of the air cavity is monitored in real time through the air pressure sensor, and the micro pump is controlled to supplement air through the control module.

The invention relates to the technical field of monitoring devices, and discloses a monitoring device for a construction site protective fence, which comprises a fence, a clamping assembly, a supporting seat, monitoring equipment, an annular groove, a gear ring, a clamping groove, a clamping piece, a control piece, a connecting piece, an arc-shaped mechanism, a cleaning cotton layer, a built-in groove, a motor and a gear. When the motor is started, the motor can drive the gear ring to rotate through the gear, and the control piece outside the gear ring can drive the arc-shaped mechanism at the bottom of the connecting piece to rotate around the periphery of the mirror surface at the bottom of the monitoring equipment, so that the cleaning cotton layer on one side of the arc-shaped mechanism conducts friction cleaning on the periphery of the mirror surface at the bottom of the monitoring equipment; the micro pump can convey cleaning liquid in the liquid storage box into the inner cavity through the liquid guide pipe, the liquid in the inner cavity is guided into the cleaning cotton layer through the multiple sets of through holes to be absorbed, and the cleaning cotton layer can be matched with the cleaning liquid to conduct auxiliary cleaning on the periphery of the mirror surface at the bottom of the monitoring equipment.

Portable thermal control system (1; 1'; 1'') capable of regulating an interface temperature at one or more areas of the human body, said system comprising: a closed fluid circuit filled with a liquid at a pressure less than or equal to atmospheric pressure, said closed fluid circuit comprising: an active exchange module (5); a system for heat exchange with the human body, a micro pump (7) capable of allowing the circulation of the liquid in said closed fluid circuit, and a plurality of flexible conduits (8), a temperature measurement sensor (2) capable of delivering a measurement representative of the temperature of the liquid at the outlet of the active heat exchange module (5); control means (3); and electrical supply means (4). Figure for the abstract: Fig.1

The utility model relates to the technical field of differential mechanisms, in particular to a differential mechanism with an oil storage structure, which comprises a differential mechanism main body, a differential mechanism shell arranged outside the differential mechanism main body, a front side cover body fixedly arranged on the front side face of the differential mechanism shell, and an oil liquid circulation assembly arranged on the differential mechanism shell. The oil liquid circulating assembly comprises a collecting cover fixedly installed at the bottom of the differential mechanism shell, the collecting cover communicates with the interior of the differential mechanism shell, a liquid outlet hopper is fixedly installed at the bottom end of the collecting cover, a suction pipe is fixedly installed at the bottom end of the liquid outlet hopper, a micro pump is fixedly installed at the tail end of the suction pipe, and a conveying pipe is fixedly installed at the liquid outlet end of the micro pump. A spray head is fixedly installed at the end of the conveying pipe and located in the differential mechanism shell, a transparent pipe is fixedly installed on a top pipe body of the conveying pipe, and a magnet is arranged in the transparent pipe. The bearing is provided with an oil storage structure, so that oil lubrication operation can be performed, and abrasion reduction is facilitated.

The invention discloses dust falling equipment with an adjusting mechanism for municipal road engineering construction, and relates to the technical field of building dust falling equipment.The dust falling equipment comprises a device base, a limiting ring is fixedly installed at the center of the top of the device base, and a dust falling device is rotatably installed at the top of the limiting ring; a water tank is fixedly mounted at the bottom of the inner cavity of the device base, a first motor is fixedly mounted at the center of the top of the inner cavity of the device base through a support, and a micro pump machine is fixedly mounted at the top of the water tank through a support. According to the dust falling equipment with the adjusting mechanism for the municipal road engineering construction, the first motor works, so that the dust falling equipment can perform dust falling within the range of taking the dust falling equipment as the circle center and the maximum distance that mist can be sprayed by the dust falling equipment is half jin, and the purpose of increasing the dust falling range is achieved.

The invention discloses an automatic micro-fluidic chip measurement and control platform, which relates to the technical field of micro-fluidic chips, and is characterized in that a box body is provided with an upper cover, a middle-layer support is arranged in the box body, the middle-layer support is suspended between two side walls of the box body through a clamping groove, and the middle-layer support is provided with an electromagnetic valve group, a needle head and a filter; a micro pump, a cooling fan, a three-way valve, a power interface, a control card communication interface, an air channel interface and a control card are further arranged in the box body, the micro pump is connected with the three-way valve through an air pipeline, the three-way valve is connected with the filter through an air pipeline, and an electromagnetic valve set is further arranged on a pipeline between the three-way valve and the filter. The control card communication interface is in signal connection with a control card, the gas circuit interface is in gas circuit connection with a micro pump, and the needle is connected with a PIN through a hard pipeline. According to the invention, the micro-fluidic chip control modules are flexibly increased or decreased through modular design, so that the system has higher expandability and is suitable for experiment requirements of different scales.

The invention discloses a portable paintbrush dirt cleaner for artistic design, which comprises a layered drawing type paintbrush box, a warming water injection assembly, a drainage cylinder and a rotary paintbrush head cleaning mechanism, the layered drawing type paintbrush box comprises a box body and a top plate mounted at the top of the box body, and a drawing groove is formed in the box body; the rotary pen point cleaning mechanism is movably inserted into the drawing groove in a penetrating mode, a plurality of sets of inserting openings are evenly formed in the top of the top plate, the temperature increasing water injection assembly is installed at the upper left corner of the box body and comprises a liquid storage container, a micro pump, a liquid guide pipe, a temperature increasing device and a drainage pipe, the liquid storage container is fixed to the side face of the box body, and the micro pump is installed on one side of the liquid storage container. The water inlet end of the micro pump is connected with the liquid storage container through a pipeline, and the water outlet end of the micro pump is connected with the heat booster through a liquid guide pipe. According to the designed automatic dirt cleaning device for the paintbrush, automatic warm water cleaning and rotary efficient cleaning treatment on the paintbrush can be achieved, and the cleaning effect on the paintbrush is greatly improved.

The utility model relates to the technical field of auxiliary devices, in particular to an auxiliary turning device. According to the technical scheme, the device comprises a base and further comprises a rotating shaft fixedly installed at the center of the base, a rotating plate is rotationally connected to the rotating shaft, a pipe body is fixedly installed at the top of the rotating plate, limiting rods are fixedly connected to the two ends of the top of the pipe body, and an anti-abrasion assembly comprises an anti-abrasion plate located between the base and the rotating plate. The lubricating device further comprises an oil tank used for containing lubricating oil, and the oil tank is connected with a micro pump used for conveying the lubricating oil to the position between the contact faces of the wear-resisting plate and the base. The turning radius is reduced, the requirement for repeated adjustment in the transportation process is reduced, the equipment trafficability and the operation efficiency are improved, the structure is simple, and the requirement for an operation site is low; meanwhile, full friction surface coverage of lubricating oil is achieved through the anti-abrasion assembly, direct friction between metal is effectively reduced, the service life of the device is prolonged, and meanwhile the maintenance frequency is reduced.

The utility model discloses an ink box structure and an ink path system including the same, the ink box structure comprises a primary ink box, an ink supply pipeline, an ink return pipeline, a first brushless micro pump and a second brushless micro pump, the primary ink box is provided with an ink cavity, the ink supply pipeline and the ink return pipeline are both communicated with the ink cavity, the first brushless micro pump is arranged on the ink supply pipeline, and the second brushless micro pump is arranged on the ink return pipeline. And the second brushless micro pump is arranged on the ink return pipeline. The first brushless micro pump is used for extracting ink in the first-stage ink box and conveying the ink to the second-stage ink box through the ink supply pipeline, and the second brushless micro pump is used for sucking ink in an ink outlet cavity of the third-stage ink box to the ink return pipeline so that the ink can flow back into the first-stage ink box. The first brushless micro pump and the second brushless micro pump are respectively arranged on the ink supply pipeline and the ink return pipeline, so that the ink supply flow rate and the ink return flow rate can be increased, the ink supply flow rate and the ink return flow rate are further increased, stable UV ink is provided for the second-stage ink box and the third-stage ink box, and the printing speed, the printing efficiency and the printing effect are favorably improved.

The utility model discloses gluing equipment for paper tube production, which comprises an output pipe, a micro pump and a rotating component, the micro pump is connected with the output pipe, the rotating component is used for controlling the micro pump to perform circular motion, the output pipe is provided with a plurality of discharge ports, the discharge ports are communicated with an inner cavity of the output pipe, and the discharge ports are communicated with the inner cavity of the output pipe. A sliding groove is formed in the outer circumferential wall of the output pipe, a plurality of adapter rings are arranged in the sliding groove, sliding blocks are fixedly connected to the inner circumferential walls of the adapter rings, the sliding blocks are arranged in the sliding groove in a sliding mode, clamping blocks are elastically connected to the outer side walls of the sliding blocks, a plurality of circumferential grooves are formed in the sliding groove, and the clamping blocks are arranged in the circumferential grooves. A plurality of clamping grooves are formed in the inner wall of the circumferential groove, the adapter ring is fixedly connected with a glue outlet pipe, the glue outlet pipe is communicated with the discharging port, and accurate gluing of a paper tube can be achieved.

The invention discloses an intelligent auxiliary instrument for campus physical training. The intelligent auxiliary instrument comprises a base, a supporting assembly is arranged at the top end of the base, a water storage tank is fixedly installed at one end of the base, a micro pump is fixedly installed at one end of the water storage tank, a water sprayer is arranged at the top end of the base, and a water outlet pipe is fixedly installed at one end of the micro pump; water storage tanks are communicated through communicating holes and connecting pipes, water storage tank inclined panels accelerate water flow guiding, linkage parts such as floating balls and connecting arms are matched, water flow on-off can be automatically controlled according to the water levels of the water storage tanks, when the water level is sufficient, a sealing block seals an adjusting pipe to cut off water, when the water level drops, water replenishing is automatically started, and manual intervention is not needed in the whole process; the sealing cover is anti-pollution, the observation window is convenient for checking water quantity, the workload of frequently observing and replenishing water by workers is reduced, the water in the water storage tank is ensured to be sufficient all the time, cleaning operation interruption caused by water shortage is avoided, continuous and stable operation of instruments is ensured, and practicability and convenience are both considered.

The utility model relates to the technical field of printing machines, in particular to a printing machine ink roller cleaning tool which comprises a frame body structure installed at the upper end of a printing equipment body, a plurality of ink rollers are installed in the upper end of the printing equipment body, a micro pump a is installed in the middle of the frame body structure, and a sliding block is arranged in the micro pump a in a sliding mode. The lower end of the sliding block is fixedly connected with a connecting bottom rod, air cylinders are installed at the two ends of the connecting bottom rod, and the output ends of the air cylinders on the two sides penetrate through the connecting bottom rod and are jointly connected with a transverse plate. According to the ink roller cleaning device, the cleaning liquid and the dirty liquid are absorbed through the arranged liquid absorption rod, cleaning of the ink roller and absorption of the cleaning liquid are completed at the same time, compared with comparison cases, the ink roller cleaning device can be used for cleaning a metal ink roller and a rubber ink roller, and meanwhile damage to the rubber ink roller can be avoided.

The utility model provides an eye -glasses and acoustic fluid micro -pump for eye -glasses, acoustic fluid micro -pump (2) and medicine cavity (3) are installed to one branch leg outside the frame (4) of eye -glasses, and the medicine nozzle (1) towards the direction of the eye of the wearer is installed to one spectacle frame side of frame (4), acoustic fluid micro -pump (2) includes pump cavity (22), the medicine outlet pipe (21) and medicine inlet pipe (25) that communicate with pump cavity (22), the medicine outlet pipe (21) export end is communicated the medicine nozzle (1) through hose, the medicine outlet pipe (21) inlet end is inserted into pump cavity (22), the inner wall of pump cavity (22) is provided with the GHz level resonator (24) towards the medicine outlet pipe (21) inlet end, still be provided with the power supply part (23) of electric connection resonator (24) in pump cavity (22), the inlet end of medicine inlet pipe (25) communicates medicine cavity (3). The utility model is small in volume, light in quality, convenient to carry, and energy -conserving, and can be reused, low in cost.

The present application belongs to the technical field of hoist, especially a hoop type safety redundant brake, aiming at the problem of excessive friction, aggravating wear and tear and heat affecting structural performance, the present application proposes the following scheme, which comprises a hoist shell and a winding drum rotatably connected inside the hoist shell, half ratchet rings are bolted to the top and bottom of the winding drum, a wave-shaped wheel is bolted to the right side of the half ratchet rings, a rotating shaft is bolted to the right side of the hoist shell, a frame is rotatably connected to the surface of the rotating shaft, a tension spring is bolted to the right side of the surface of the rotating shaft, the tension spring is bolted to the frame, and a pawl is bolted to the top of the frame; a rotating wheel is rotatably connected to the bottom end of the right side of the frame, the rotating wheel can drive the transmission mechanism to rotate through the main bevel gear, and the transmission mechanism can drive the micro pump to operate through the small helical gear. In the present application, the micro pump can pump lubricating oil for lubrication, reducing structural friction, and the heat dissipation mechanism can blow air for heat dissipation, avoiding heat accumulation.

The utility model provides a full-automatic pipe cutting machine, which belongs to the technical field of pipe cutting and comprises a supporting seat, a cutting frame arranged at the top of the supporting seat, hydraulic lifting rods arranged on two sides of the top of the cutting frame, cutting tools arranged at the bottoms of the hydraulic lifting rods, adjusting frames arranged on two sides of the top of the supporting seat, and fluted discs rotationally connected to one sides of the adjusting frames. A first synchronous electric telescopic rod is arranged on one side of the inner wall of each moving groove, one end of each first synchronous electric telescopic rod is fixedly connected with a pipe clamping block, an adjusting motor is arranged at the bottom of the other side of the adjusting plate, and the output end of the adjusting motor penetrates through one side of the bottom of the adjusting plate and is fixedly connected with a driving gear; according to the full-automatic pipe cutting machine, a water source in the water storage tank is pumped into the flow dividing water spraying pipe through the arranged micro pump, water mist in the flow dividing water spraying pipe cools inlet water at the cutting position, the service life of a cutter is prolonged, and meanwhile the temperature of the cutting position is lowered.

An embodiment is an electrostatic micro-pump including a diaphragm arrangement including a diaphragm and a first electrode structure. The electrostatic micro-pump further includes a valve arrangement, including an inlet check valve and an outlet check valve, wherein the diaphragm arrangement and the valve arrangement at least partially enclose a pump chamber. The electrostatic micro-pump further includes a second electrode structure arranged so as to form an electrostatic drive with the first electrode structure. The electrostatic drive is configured to deflect the diaphragm. The electrostatic micro-pump further includes at least one anti-stiction bump arranged between the first electrode structure and the second electrode structure, wherein in an inactive state of the micro-pump, a spacing between the first electrode structure and the second electrode structure varies towards a center region of the pump chamber when starting from a peripheral region of the pump chamber, wherein the peripheral region encloses the center region.