402 results about "Micro pump" patented technology

The utility model relates to the technical field of metering instruments, in particular to an oil online viscosity and density sensor which comprises a mounting seat, a defoaming detection mechanism is arranged below the mounting seat, the defoaming detection mechanism comprises a mounting plate arranged below the mounting seat, and a micro pump is fixedly connected to the top end of one side of the mounting plate. The output end of the micro pump is fixedly connected with a transfer pipe, the end, away from the micro pump, of the transfer pipe is fixedly connected with a working box, the working box is fixedly connected to the top end of the center of the mounting plate, a filter plate is arranged above the working box and fixedly connected to the inner side wall of the transfer pipe, and a plurality of sets of filter holes are formed in the filter plate; the top end of the filter plate is fixedly connected with a plurality of groups of defoaming thorns. According to the utility model, through the cooperation of the mounting seat and the bubble-removing detection mechanism, the micro pump sucks oil into the transfer pipe and then transfers the oil into the working box, and bubbles in the oil are punctured by the bubble-removing thorns, so that the bubbles are prevented from influencing the subsequent measurement precision.

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.

The invention relates to the field of welding robots, in particular to a bending section pipeline welding flexible robot. Comprising a flexible assembly, the flexible assembly is in transmission connection with a compatible assembly, a plurality of welding assemblies are distributed on the outer wall of the compatible assembly in an annular array mode, and an auxiliary assembly is installed on the top of the compatible assembly; a grinding plate is driven to grind a pipeline port so as to improve the subsequent welding quality, a cooling cleaning solution is sprayed through a micro pump in the rotating process, the problem of subsequent spark splashing is avoided, when the inner wall of the port is provided with an overlapping object, the numerical value of a third pressure sensor can be driven to change, and the welding quality is improved. And in the subsequent welding process, distance monitoring is conducted through the two sets of distance sensors, the problem that the welding precision is reduced due to deviation in the welding process is solved, and the working effect of the flexible robot is improved while the welding effect of the bent section is improved.

The multimedia automobile seat headrest comprises a headrest body, a plurality of mounting rods are mounted on the lower portion of the headrest body, a neck pillow is detachably connected to the mounting rods, a refreshing assembly is arranged on the neck pillow and comprises a rubber pipe set, a water tank and a micro pump, a mounting cavity is formed in the headrest body, and the rubber pipe set is arranged in the mounting cavity. The water tank and the micro pump are both installed in the installation cavity, the rubber pipe set is installed on the neck pillow, part of the rubber pipe set is exposed out of the surface of the neck pillow, one end of the rubber pipe set is communicated with the interior of the water tank, the other end of the rubber pipe set is communicated with the water outlet end of the micro pump, and the water inlet end of the micro pump is communicated with the interior of the water tank. The method has the effect of reducing the potential safety hazard of automobile driving.

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 utility model provides an automatic defibrillator for cardiac rehabilitation, including a carrying box and an electrode sheet, wherein the carrying box is fixed with an instrument body through a bracket, the electrode sheet is provided with a power supply connector, the power supply connector is connected with a connecting wire, the instrument body is provided with a connecting plug, the other end of the connecting wire is connected with the connecting plug, and a storage box is fixedly provided inside the carrying box. The utility model has the following beneficial effects: a micro pump absorbs the conductive paste inside the storage box, and finally discharges the conductive paste into a pipe, and then is applied to the bottom surface of the electrode sheet by a discharge nozzle, and the brushes on the pipe and the roller are mobile, and finally cooperate with the rotating brush to evenly apply the conductive paste to the bottom surface of the electrode sheet, which is convenient for subsequent use.

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 invention discloses a battery of an immersed cooling coupling direct cooling pipe, and a vehicle thermal management system and strategy, and relates to a power battery thermal management technology. The immersed cooling coupling direct cooling technology is innovatively provided, direct coupling heat exchange between the immersed working medium fluid used for cooling the battery module and the water-based fluid in the vehicle heat management module can be achieved, the structure is simple, the integration is high, the circulation energy consumption of the immersed working medium fluid can be reduced, and the service life of the vehicle heat management module is prolonged. The problems in the prior art are solved. The immersed cooling coupling direct cooling technology is matched with fluid driving such as the micro pump, a novel battery thermal management technology is realized, a starting and stopping strategy can be executed on the micro pump according to the working conditions such as the actual charging and discharging rate of the battery and the temperature of the environment, the pertinence is strong, and the use is flexible. The vehicle thermal management system comprises the battery of the immersed cooling coupling direct cooling pipe. The vehicle thermal management system and the management strategy thereof can enhance the heat exchange effect on the basis of reducing the energy consumption.

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 invention relates to the technical field of chip packaging heat dissipation, in particular to a chip heat dissipation system which comprises a thermoelectric film layer, a micro-scale radiator layer and a micro pump, the thermoelectric film layer comprises a hot end, a cold end and a power generation layer, the hot end is connected with the surface of a chip, the cold end is connected with a heat dissipation substrate of a micro-scale radiator, and the power generation layer is connected with the heat dissipation substrate. The power generation layer is used for forming electromotive force according to the temperature difference between the hot end and the cold end and outputting power supply voltage. The micro-scale radiator layer comprises a radiating substrate, and a circulating liquid inlet and a circulating liquid outlet are formed in the radiating substrate; the micro pump layer is provided with a pump liquid inlet and a pump liquid outlet, the pump liquid inlet is connected with the circulating liquid outlet, and the pump liquid outlet is connected with the circulating liquid inlet; the micro-pump layer further comprises a piezoelectric part, the piezoelectric part is communicated with power supply voltage and used for driving liquid in the micro-pump to circularly flow in the micro-scale radiator layer and the micro-pump layer through the voltage, heat is recycled to generate power so that the micro-pump can drive the liquid to circularly dissipate heat, external power supply is not needed, and the purpose of self-sufficiency is achieved.

The invention is suitable for the technical field of polyurethane spraying, and provides a robot automatic polyurethane spraying line body which comprises a mixed material processing box, a mechanical arm, a ground rail base and an air drying assembly, the output end of the mechanical arm is connected with a hanging plate, a plurality of spraying assemblies are arranged at the bottom of the hanging plate, and a flow dividing pipe control pipe is arranged at the top of the hanging plate; a through pipe is connected between the mixed material processing box and the flow dividing pipe control pipe, and a conveying table assembly is arranged at the top of the ground rail base; through the arrangement of the spraying assembly, in the using process, when a to-be-sprayed material is conveyed to the bottom of the spraying assembly through the conveying table assembly and stays at the bottom of the hanging plate, the external form of the material is scanned through a miniature probe in a miniature monitoring mechanism arranged on the hanging plate; and a micro pump at the corresponding position of the spraying assembly is controlled to be opened according to the scanning result of the external form of the material, so that the effect of uniform distribution spraying is achieved, and meanwhile polyurethane spraying paint is saved.

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 utility model relates to the technical field of agriculture, and discloses an agricultural product soilless culture device which comprises a bottom fish tank, a soilless culture structure is fixedly connected to the outer surface of the upper end of the bottom fish tank, a culture opening is formed in the outer surface of the upper end of the soilless culture structure, and a second micro pump is fixedly connected to the outer surface of the left side of the bottom fish tank. A first micro pump is fixedly connected to the outer surface of the left side of the soilless culture structure, a second connecting pipe is fixedly connected to the outer surface of the upper end of the first micro pump, and a fixed connecting piece is fixedly connected to the water outlet end of the second connecting pipe. According to the soilless culture device for the agricultural products, water in the fish tank is used for circulation, excrement and impurities of fishes are separated through the filtering device, waste and pollution of water resources are effectively avoided, meanwhile, the filtered water can be used for nutrient solution circulation of the soilless culture device, and the soilless culture device is convenient to use. Moisture and nutrients required by the growth of agricultural products are provided, and the cultivation cost is reduced.

The invention belongs to the related technical field of micro pumps, and discloses a micro pump with a full-surrounding bearing and an electronic device.The micro pump comprises a body, a rotor, a shaft and the full-surrounding bearing, and a rotor cavity is formed in the body; the full-surrounding bearing is integrally formed by stainless steel or ceramic materials and is of a step-shaped structure, an inner hole is formed in one end of the full-surrounding bearing, and a bearing boss with steps is formed at the other end of the full-surrounding bearing. One end of the shaft is fixed on the bottom surface of the rotor cavity, and a ball head is formed at the other end of the shaft and is in point contact with the inner hole; the bearing boss is embedded into the rotor and forms axial limiting with the step; and a non-contact gap is formed between the full-surrounding bearing and the bottom surface of the rotor cavity. According to the integrated full-surrounding bearing, a traditional separation type gasket and the bearing are integrated into an integrated precise part, the perpendicularity deviation of the bearing caused by inclination of the gasket or poor flatness in the assembling process is eliminated, and the problem of collaborative optimization of assembling precision and friction loss in the field of micro pumps is solved.

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 is suitable for the technical field of pump bodies, and provides a pump body self-lubricating mechanism and a method thereof. A seat body is mounted on a main shaft of the pump body through a bearing; the oil storage box is positioned at the bottom of the seat body, and an inner cavity is divided into a filter tank and an oil purification tank by a partition plate; the oil purifying groove is communicated with an oil spraying pipe through a micro pump, six oil spraying holes are formed in the circumferential direction of the base body at equal intervals, and Venturi nozzles are arranged in the oil spraying holes and communicated with the oil spraying pipe; clean oil is ensured to be uniformly and efficiently conveyed to the seat body, a stable micron-sized oil film is formed, friction and abrasion of the bearing are remarkably reduced, meanwhile, the spiral groove is intelligently adjusted through the shape memory alloy so as to meet the lubrication requirements at different temperatures, and therefore the operation efficiency of the bearing is improved, and the service life of the bearing is prolonged; in addition, fine filtering and effective recycling of the oil are achieved, impurity accumulation is avoided, the cleanliness of the oil is kept, and a solid guarantee is provided for efficient operation of the pump body.

The cleaning nozzle for the filling machine comprises a shell and a nozzle body, a micro pump is arranged on the right side of the shell, the bottom of the micro pump is communicated with a hose, the top of the micro pump is communicated with a corrugated pipe, one end of the corrugated pipe is communicated with the nozzle body, an adjusting mechanism is arranged at the bottom of an inner cavity of the shell, and the nozzle body is arranged in the shell. The adjusting mechanism comprises a threaded rod and a top plate, the bottom of the threaded rod is movably connected to the bottom of the inner cavity of the shell through a bearing, the surface of the threaded rod is in threaded connection with a threaded sleeve, a connecting plate is welded to the left side of the threaded sleeve, a connecting rod is fixedly connected to the top of the connecting plate, and the top plate is fixedly connected to the top of the connecting rod. The threaded rod can be driven to rotate by rotating the rotary knob, the threaded rod drives the threaded sleeve to move upwards under the action of threads, then the position of the spray head body is changed, the cleaning length of the spray head body is prolonged, filling machines of different models can be conveniently cleaned, and the cleaning efficiency is improved.