168 results about "Air Pump Assembly" patented technology

The invention relates to the technical field of hydrogen energy preparation, in particular to hydrogen storage equipment for a hydrogen production and hydrogenation all-in-one machine, which comprises a machine body, a hydrogen production machine module and a hydrogen storage module, the hydrogen storage module is fixed in the machine body, and the hydrogen storage module is composed of a plurality of gas storage tanks; the hydrogenation module is arranged at the top of the hydrogen storage module, the hydrogenation module is a filling pump, and the inlet end of the hydrogenation module is connected with the hydrogen storage module; the dynamic design that a rotating frame carries a multi-fan-shaped filter screen body is adopted in a filtering air inlet assembly of the hydrogen production machine module, efficient anti-blocking and continuous air inlet in the catkin season are achieved in combination with a brush disc cleaning structure of a cleaning assembly, the rotating frame drives a vertical rod to rotate through a driving motor, the filter screen body is driven to do circular motion through bevel gear transmission, and the filter screen body does circular motion; and meanwhile, the transverse rotating rod drives the brush disc to brush and sweep the surface of the filter screen in real time, it is guaranteed that holes are smooth, the air pump assembly stably sucks sufficient air so that the whole filling and storing equipment can normally operate, water electrolysis hydrogen production can be continuously and efficiently conducted, and the supply amount of the hydrogen storage tank is guaranteed.

The invention discloses a caliper rectangular ring assembling device which comprises a pressing rod and a clamping device, the pressing rod comprises a rod body internally provided with an air passing channel and a cover plate fixed to one end of the rod body, and a mounting gap communicated with the air passing channel is formed between the cover plate and the rod body and used for containing a rectangular ring; and the air pump assembly communicates with the end, away from the mounting gap, of the air passing channel so as to exhaust or ventilate the mounting gap through the air passing channel. According to the caliper rectangular ring assembling device provided with the mounting gap and the air passing channel, after an operator completes insertion connection of a pressing rod and calipers, a rectangular ring is just flatly clamped into a rectangular ring mounting groove, the whole mounting process is simple and convenient, the operator does not need to take the rectangular ring to press the rectangular ring into the rectangular ring mounting groove, and the working efficiency is improved. The rectangular ring is prevented from falling into the concave position of the calipers in the manual installation process, the problem that the rectangular ring cannot be pressed flat due to the fact that the rectangular ring is not aligned with the rectangular ring installation groove is also avoided, the assembly difficulty is reduced, the assembly time is saved, and the assembly efficiency is improved.

The utility model discloses a pumping and diffusing dual-purpose gas circuit structure on a gas detector. The pumping and diffusing dual-purpose gas circuit structure comprises a calibration cover assembly, a shell, a sensor assembly, a gas pipe bracket and a gas pump assembly, the calibration cover assembly is detachably connected with the shell; a plurality of air holes are formed in the shell; one end of the tracheal stent is communicated with the air hole of the shell, and the other end is communicated with the air pump assembly; the sensor assembly is arranged under the air hole. The air pump assembly is arranged below the sensor assembly; the calibration cover assembly comprises a filtering assembly, a rotating assembly, a calibration cover and an air chamber frame; the filtering assembly is arranged at one end of the calibration cover, and the air chamber frame is arranged in the calibration cover and arranged above the shell; one end of the rotating assembly penetrates through the calibration cover and the air chamber frame and then is detachably connected with the shell. According to the utility model, the pump suction mode and the diffusion mode can be freely switched, and the pump suction mode and the diffusion mode share the same calibration cover assembly for calibration, so that the consistency of the detection precision of the pump suction mode and the diffusion mode can be ensured.

This invention relates to the field of soil sampling device technology, and more particularly to a mountable UAV soil sampling device for land reclamation. The device comprises an upper shell, a lower shell, a drilling assembly, and an air pump assembly. The upper shell is fixedly mounted on the top of the lower shell via a mounting buckle, which is then bolted to both the upper and lower shells. A bracket is fixedly mounted on the bottom of the lower shell. This invention, by installing an outer cylinder outside the guide cylinder, creates a double-layered cylindrical guiding structure. This structure ensures the stability of the drill bit sampling without affecting soil sample transmission. Furthermore, in conjunction with the air pump assembly, high-pressure airflow is used to backwash and clean the soil movement path of the drill bit, guide cylinder, and outer cylinder. This allows for the cleaning of the soil movement path during sampling point changes, significantly reducing the risk of cross-contamination between soil samples from different sampling points.

The utility model provides a kind of air bag control box and air bag mattress, it is related to air bag mattress technical field, comprising: shell, air pump installation shell, flexible shock-absorbing cover, air pump assembly, solenoid valve group and control circuit board.Outside shell has assembly cavity;Air pump installation shell is suspended in assembly cavity by first elastic damping member;Flexible shock-absorbing cover is suspended in air pump installation shell by second elastic damping member;Air pump assembly is installed in flexible shock-absorbing cover;Solenoid valve group is suspended in assembly cavity by third elastic damping member, and is communicated with air pump assembly by air pipe;Control circuit board is installed in assembly cavity, and respectively with air pump assembly and solenoid valve group electric connection, to control the working of air pump assembly and solenoid valve group.Such, make it can reduce air pump and solenoid valve working noise and reduce the advantage of vibration.

The invention relates to the technical field of detection devices, and discloses a non-spectral detection device and a carbon dioxide extraction sampling detection method.The non-spectral detection device comprises a base pipe and a detector fixed to the base pipe, an air pump assembly is fixed to the top of the detector, and an air inlet pipe is installed at the input end of the air pump assembly; one end of the gas inlet pipe penetrates through the base pipe and extends into the base pipe, a probe is installed at the end, located in the base pipe, of the gas inlet pipe, and the gas pump assembly is used for conveying gas in the base pipe into a detector. By arranging the air pump assembly, air can be pumped into the paper detector, by arranging the waste heat assembly, the air can be preheated, the situation that the air is condensed in a pipeline to cause blockage is avoided, by arranging the water absorption assembly, moisture in the air is absorbed by a moisture absorber, and the water absorption efficiency is improved. The detector can be prevented from being corroded by acidic substances formed after water vapor is doped with gas, the detection effect is guaranteed through the pre-treatment mode of preheating and water absorption, and the service life of equipment is prolonged.

This utility model discloses an airtightness testing device, including a support structure, a testing structure, and an airtightness tester. The testing structure includes a lower mold fixed to the top of the equipment base and an upper mold fixed to the bottom of a transmission structure. The upper mold is connected to the transmission structure mounted on a fixed plate, and the transmission structure drives the upper mold to reciprocate vertically. Air pump assemblies are connected to both the lower and upper molds. A waterproof connector to be tested for airtightness is provided between the upper and lower molds, and the bottom of the upper mold and the top of the lower mold are respectively provided with a connecting groove and a insertion groove for the waterproof connector. The two ends of the waterproof connector communicate with the interior of the upper and lower molds, respectively. A pre-installed airtightness tester for testing the internal air pressure of the mold is connected to both the upper and lower molds. This utility model solves the problem that internal damage cannot be visually identified because the sealing gasket at the installation position of the waterproof connector is generally embedded in the connector.

An air supply system includes an air pump assembly to generate compressed air, a liquid circulation pipe to circulate a cooling liquid, a sensor, and a programmable control board. The air pump assembly includes an outer sealed box enclosing an inner sealed box, which further encloses air pump machinery. A first set of springs are disposed between the air pump machinery and the inner sealed box and a second set of springs are disposed between the outer sealed box and the inner sealed box. The liquid circulation pipe connects the air pump machinery to liquid cooling components outside the outer sealed box. The sensor is coupled to an output of the air pump assembly to measure a characteristic of the compressed air during operation. The programmable control board controls the speed of a motor in the air pump machinery according to program instructions and measurements of the sensor.

The utility model relates to an upper spraying type aromatherapy machine with an integrated atomizing head main body, which comprises a shell, an atomizing head main body, an atomizing head and an atomizing head main body, and is characterized in that the shell is provided with an adapter clearance groove which is concave inwards; the atomization assembly is arranged in the shell and comprises an atomization head upper cover, an upward spraying type atomization core, an air pump assembly, an essential oil bottle and an atomization head main body, the atomization head upper cover is arranged at the upper end of the atomization head main body, and a fan air guide channel is formed after the atomization head upper cover and the atomization head main body are assembled; an atomizing chamber is designed in the atomizing head main body, a mist outlet is formed in the upper side of the atomizing head main body, and the mist outlet is communicated with the atomizing chamber; the upper end of the essential oil bottle is connected with the atomizing head body, and the upward spraying type atomizing core is arranged in the atomizing cavity. The air pump assembly is communicated with the upward spraying type atomizing core through the atomizing head main body, so that essential oil in the essential oil bottle enters the upward spraying type atomizing core and is atomized; the PCB is arranged in the shell, a power module is arranged on the PCB, and the atomization assembly is electrically connected with the PCB; and the adapter is arranged in the mounting groove, and the adapter is electrically connected with the PCB. By the adoption of the structure, the structural sealing performance and stability of the aromatherapy machine are improved, the working procedure cost and the labor cost are reduced, and meanwhile the atomization effect of essential oil is improved.

The invention provides a two-stroke air entrapment direct injection methanol engine. The two-stroke air entrapment direct injection methanol engine comprises an air cylinder body crankcase assembly, a crankshaft assembly, an engine oil lubricating assembly, an air inlet assembly, an oil supply assembly, a starting assembly, an air pump assembly and a control assembly. According to the application, the methanol use environment is met by adopting the design of internal preheating and combustion chamber preheating of the special fuel pump for methanol and heat energy generated by air compression in the fuel rail, and fuel atomization is promoted by gas pressure and high-speed flow generated by air compression of the direct-connected air pump assembly through a gas-entrained injection technology; meanwhile, uniform mixing of gas and fuel oil is enhanced, homogeneous combustible mixed gas is more easily formed in the combustion chamber, the first-stage fuel oil pump and the second-stage fuel oil pump are connected in series, and the stability of the using pressure of methanol fuel oil is effectively guaranteed; according to the preheating function, the engine can rapidly enter the optimal working temperature in the low-temperature environment during low-temperature starting and low-temperature operation, and therefore the emission performance and the working performance of the engine are improved.

This invention relates to the field of medical device technology, specifically to a fully automatic medical auxiliary breath-holding device, comprising an inflatable pressure abdominal binder and a head support fixation base, as well as an inflatable pressure nasal clip mechanism disposed on the head support fixation base. The head support fixation base also includes a massage mechanism and a main control box containing three sets of air pump assemblies. These three sets of air pump assemblies are respectively connected to the inflatable pressure abdominal binder, the massage mechanism, and the inflatable pressure nasal clip mechanism via three air supply pipes. The main control box is wirelessly connected to a remote control box. This invention solves the problems of existing medical breath-holding auxiliary devices, such as simple functions, insufficient automation and applicability, susceptibility to patient head movements affecting breath-holding effectiveness, low success rate and poor image quality for some patients with poor cooperation, time-consuming and laborious procedures, and inability to alleviate patient anxiety during examinations, which can affect breath-holding duration and effectiveness.

The utility model provides an automobile electric inflator pump with an emergency work lighting function, which relates to the technical field of vehicle-mounted inflator pumps and comprises a shell, a circuit board, an electric air pump component and an emergency work lighting lamp component. The circuit board is electrically connected with the electric air pump assembly and the emergency work illuminating lamp assembly, a storage part is arranged on one side of the shell, and one end of the emergency work illuminating lamp assembly is movably connected with the storage part, so that the emergency work illuminating lamp assembly can be folded and unfolded from the storage part or folded and stored in the storage part; the automobile electric inflator pump with the emergency work lighting function can effectively solve the problem that an emergency lamp in an existing vehicle-mounted inflator pump cannot adjust the elevation angle or the rotation angle for convenient lighting, and therefore a user can conveniently free the two hands to work.

The invention discloses a gas water heater. The gas water heater comprises a water inlet pipeline, a gas inlet pipeline, a water outlet pipeline, a mixed gas water storage tank and a main controller, the first end of the water inlet pipeline is connected with the water inlet, and the second end of the water inlet pipeline is connected with the liquid inlet of the mixed gas water storage tank; a first water valve switch is arranged on the water inlet pipeline; the first end of the gas inlet pipeline is connected with the gas pump assembly, and the second end of the gas inlet pipeline is connected with a gas inlet of the mixed gas water storage tank; the first end of the water outlet pipeline is connected with the gas-liquid outlet of the mixed gas water storage tank, and the second end of the water outlet pipeline is connected with the water outlet; a water level detection module is arranged in the mixed gas water storage tank and is used for detecting the water level in the mixed gas water storage tank; the gas water heater comprises a microbubble water mode; in the microbubble water mode, the main controller is used for controlling the air pump assembly and the first water valve switch to be turned on when the water level in the mixed gas water storage tank is smaller than or equal to a preset water level threshold value, so that microbubble water formed after water and gas are mixed is discharged through the second end of the water outlet pipeline.

The invention relates to the technical field of spinning machines, in particular to an aluminum alloy hub spinning machine which comprises a machine body, an air box, a linkage assembly and an air pumping assembly. A fixed air cylinder is fixedly installed at the top end of the inner wall of the machine body, machining air cylinders are symmetrically and fixedly installed on the two sides of the inner wall of the machine body, and door bodies are symmetrically arranged on the front side and the rear side of the machine body; through the linkage structure of the machining air cylinder and the door body, automatic and synchronous closing of the door body during machining starting is achieved, manual intervention is not needed, operation steps are reduced, and the risk of manual misoperation is avoided. In the door body closing process, synchronous movement of the door bodies on the two sides is guaranteed through meshing transmission of the second gear and the second rack, a reliable closed machining space is formed in cooperation with sealing rubber strips on the edges of the door bodies, and chippings and oil dirt are effectively prevented from overflowing. After the door body is closed in place, the first gear enters the tooth missing area of the first rack to achieve locking, it is guaranteed that the position of the door body is stable in the machining process, and potential safety hazards caused by loosening of the door body are thoroughly eliminated.

A new massage pad, comprising a main frame body (1), a neck support (2), a head support (3), an air valve assembly (4), an air pump assembly (5), a plurality of air bags (6) and an outer cover (7), wherein the neck support (2) is arranged on the front face of the main frame body (1); the head support (3) is arranged at the top end of the neck support (2); the air valve assembly (4) and the air pump assembly (5) are arranged in the neck support (2) and the main frame body (1); the air bags (6) are arranged on the neck support (2) and / or the main frame body (1), each air bag (6) being connected to the air valve assembly (4); the air valve assembly (4) is connected to the air pump assembly (5); and the outer cover (7) encloses the main frame body (1), the neck support (2), the head support (3), the air valve assembly (4), the air pump assembly (5) and the plurality of air bags (6). In the massage pad, the air pump assembly (5) and the air valve assembly (4) are shifted from a leg area to a neck area, and the head support (3) is arranged at the top end of the neck support (2), allowing users to experience greater comfort when using the massage pad for massage. When folding the massage pad, the head support (3) and the neck support (2) are folded in opposite directions, such that the folded head support (3) abuts against the back face of the main frame body (1), and the outer cover (7) and the main frame body (1) are rolled up along the neck support (2) and the head support (3), thereby reducing the storage space.

The utility model relates to the field of sponge processing, in particular to a light sponge punching device which is characterized in that a working plate is mounted on the upper portion of a machine body through a movable plate, pressing plates are rotatably mounted on the two sides of the working plate through pin shafts, connecting plates are obliquely mounted at the bottoms of the pressing plates, and connecting ropes are connected to the bottoms of the connecting plates; the other ends of the connecting ropes are jointly wound on a pulley, and the pulley is installed at the bottom of the working plate through an installation base. According to the automatic sponge punching device, the pressing plates capable of automatically pressing are installed on the two sides of the working plate to press down and limit the edge of the sponge, negative pressure is generated on the surface of the working plate in combination with the air pump assembly so that the installation stability of the sponge can be improved, the stability of the sponge in the punching process can be guaranteed, and the pressing plates can be driven to rapidly open, close and rotate through cooperation of the pulleys and the connecting ropes; and the stability of the punching process and the material feeding efficiency are effectively improved.

The utility model provides an air supply device and an endoscope processor, and relates to the technical field of endoscopes. The air supply device comprises a containing assembly and an air pump assembly, the containing assembly is provided with a mounting cavity, an inlet and an outlet, and the inlet and the outlet communicate with the mounting cavity; the air pump assembly is arranged in the mounting cavity and provided with an air inlet and an air outlet, the air inlet is communicated with the mounting cavity, the air outlet is communicated with the outlet, and a gap is defined between the air inlet and the air inlet. The working noise of the endoscope processor can be reduced, and the influence on an operation is reduced.

The invention relates to the technical field of wastewater treatment, and particularly discloses recycling equipment for treating shoe factory wastewater, the recycling equipment comprises a dosing pool, an air pumping assembly, a tank body and a rotary spraying mechanism, the air pumping assembly comprises a hollow rod longitudinally arranged in the dosing pool, and the tank body sleeves the outer side of the hollow rod and is in longitudinal sliding fit with the hollow rod; the interior of the tank body is hollow and is provided with an annular baffle, so that the internal space of the tank body is divided into a mixing cavity and a discharging cavity, the rotary spraying mechanism comprises a lifting plate and a rotating plate, the lifting plate is longitudinally and slidably mounted in the mixing cavity, the rotating plate is rotatably mounted at the position, corresponding to the discharging cavity, of the peripheral side of the tank body, and a discharging opening is formed in the rotating plate; according to the present invention, the agent premixing is achieved through the submerged tank body, the liquid discharge and the self-cleaning are achieved through the ascending of the lifting plate, the three-dimensional diffusion of the agent is achieved through the cooperation of the rotary spraying and the airflow disturbance, and the advantages of rapid agent adding reaction, uniform mixing, no dead angle and the like are provided.

The utility model relates to beverage extraction device technical field, concretely is an extraction device, including outer shell, with the detachable connection of inner shell of outer shell, the outer shell is equipped with outer shell opening, outer shell cavity, the inner shell includes the upper casing of connecting in the upper side of outer shell, the brewing material filter, the first accommodating cavity of connecting in the upper side of upper casing, upper casing is equipped with the conveying channel of intercommunication brewing material filter and first accommodating cavity, one end and outer shell cavity or first accommodating cavity intercommunication's air pump assembly, mounting cavity, first accommodating cavity is located the upper side of conveying channel, and air pump assembly is used for adjusting the pressure of outer shell cavity or first accommodating cavity, so that liquid lift flow, the utility model discloses through air pump assembly to the air pressure in the adjustment of outer shell cavity or first accommodating cavity, so that liquid can realize controllable lift flow under the action of pressure difference, and user can directly put liquid or ice block and other materials into first accommodating cavity in the device operation process, does not need to stop or dismounts the inner shell, improves use efficiency.

The utility model discloses an air pump with an anti-drop pipeline, which relates to the technical field of air pumps and comprises a mounting pipe fixedly connected to the output end of an air pump component, a movable pipe is slidably connected in the mounting pipe, a piston ring is fixedly connected to one end, positioned in the mounting pipe, of the movable pipe, and a sealing structure is formed by the piston ring and the inner side of the mounting pipe. Corrugated pipes are fixedly connected to the two ends of the piston ring and the two ends of the inner side of the mounting pipe, springs are arranged on the outer sides of the corrugated pipes, the two ends of the springs are fixedly connected with the piston ring and the inner side of the end of the mounting pipe respectively, and a sealing structure is formed between the corrugated pipes and the movable pipe. According to the air pump capable of preventing the pipeline from falling off, when the air pump generates pulse pressure, the corrugated pipe absorbs high-frequency vibration energy through deformation, the spring assembly provides elastic restoring force to maintain system rigidity, impact vibration is attenuated while the air tightness of a connecting structure is kept, and the loosening risk caused by resonance of traditional rigid connection is prevented.

The invention provides a control valve, and relates to the technical field of pneumatic control, and the control valve comprises a driving mechanism, a rotating mechanism and an air pump assembly which are connected in sequence; the driving mechanism comprises a motor and a transmission mechanism, the transmission mechanism is a worm and gear transmission structure, and the transmission mechanism is a multi-stage transmission mechanism; the motor drives the transmission mechanism to drive the rotating mechanism to rotate; the rotating mechanism comprises an air inlet piece, a driving piece, a fixed piece and a center shaft, the center shaft sequentially penetrates through the fixed piece, the driving piece and the air inlet piece, the air inlet piece is provided with an air inlet hole, and the fixed piece is provided with an inflation hole, an exhaust hole and a fixed inflation hole; and the rotating mechanism is used for switching the inflating, exhausting and keeping states by changing the relative angle position change of the driving sheet and the fixed sheet. Integration of a multi-mode air pressure control function is achieved through innovative design of the rotating mechanism, independent control over the multiple inflation holes can be achieved through rotating movement of a single driving piece, the manufacturing cost is reduced, and the system reliability is improved.

The application discloses a kind of protection device and method of high-speed magnetic suspension motor, including air pump assembly, pipeline assembly, radial magnetic suspension bearing, rotor, washer assembly, displacement sensor, axial magnetic suspension bearing and stator;Air pump assembly is communicated with pipeline assembly, radial magnetic suspension bearing is sequentially provided with rotor, washer assembly, axial magnetic suspension bearing and stator below, displacement sensor is symmetrically installed on the outer surface of rotor;Pipeline assembly includes straight pipe and ring pipe, one end of straight pipe is communicated with air pump assembly, and the other end is communicated with ring pipe, and ring pipe is installed on the inner side of magnetic suspension bearing;Magnetic suspension bearing is protected by washer assembly and ring pipe, so that the protection device has certain fault tolerance, the probability of accident is low, and the safety factor is higher;Since displacement sensor is arranged, the protection device has the ability of real-time monitoring, has real-time efficiency, and the device structure is simple, effectively reduces cost.

The utility model relates to the technical field of bullet ice making machines, in particular to a vacuum water pumping ice making machine which comprises a main machine, a containing cavity is formed in the main machine, a turning cover used for opening or closing the containing cavity is hinged to an opening of the containing cavity, and an ice making box and a refrigerating assembly are fixed in the containing cavity. The water tank is detachably mounted in the accommodating cavity; the water pumping box assembly is detachably installed in the containing cavity, a water storage cavity is formed in the water pumping box assembly, a water inlet and a water outlet are formed in the water pumping box assembly, the water inlet corresponds to the water tank, and the water outlet corresponds to the ice making box; and the air pump assembly is fixed in the containing cavity, the air pump assembly and the water storage cavity are correspondingly arranged, when the air pump assembly extracts air from the water storage cavity to form negative pressure, liquid in the water tank can be pumped into the water storage cavity, and when the air pump assembly inflates the water storage cavity to form pressurization, the liquid in the water storage cavity can be discharged into the ice making box.

The utility model discloses an air pump assembly, an air suspension system and a vehicle, and the air pump assembly comprises an air pump, a first pipeline and a second pipeline. A throttling valve is arranged in the first pipeline, a one-way valve is arranged in the second pipeline, and the first pipeline and the second pipeline are communicated with an air pump after being connected. In the embodiment of the invention, the throttle valve and the one-way valve are respectively arranged in the first pipeline and the second pipeline which are connected, so that the air inlet flow and the air exhaust speed can be respectively and independently adjusted, and the air exhaust speed is not influenced after the air inlet speed is adjusted, so that the air inlet noise can be reduced, and meanwhile, the higher air exhaust speed can be realized; therefore, the water blow-drying efficiency in the drying chamber is guaranteed, and corrosion caused by accumulated water in the air pump is avoided.

The utility model relates to a luminous bubble emitting device, which comprises a gun shell, a bubble blowing device, a trigger switch, an air blowing pump assembly, water storage bottles and a battery, and is characterized in that at least two water storage bottles are arranged, foaming water containing fluorescent powder with different colors is stored in each water storage bottle, and a plurality of ultraviolet lamps are mounted on the gun shell; the direction of the ultraviolet lamp is the same as that of the bubble blowing device; after the trigger switch is pressed down, the ultraviolet lamp irradiates bubbles blown out by the bubble blowing device. The bubble machine solves the problems that bubbles blown by an existing bubble machine are not luminous, can only be played in the daytime, are greatly influenced by external direct light, cannot be played in an outdoor dark environment at night, can only emit transparent bubbles, cannot emit single-color bubbles, and cannot emit various single-color bubbles with different colors at a time to be mixed together, so that the bubble machine is very inconvenient to use. And the interestingness is insufficient.

The present utility model provides an essential oil atomization and pumping apparatus, including a control circuit board and a cartridge assembly for essential oil atomization, where the cartridge assembly is electrically connected to the control circuit board, and the cartridge assembly includes a ceramic heating strip for heating an atomized essential oil; the apparatus further includes an air pump assembly for pumping atomized mist from a position of the cartridge assembly to a position of a mist outlet at an outer side, where the air pump assembly includes an air pump unit and an air pump block for delimiting the air pump unit, the air pump unit is interconnected to the cartridge assembly through an air inlet hose, and the cartridge assembly is connected to the mist outlet through a mist outlet hose.

The invention relates to a blood pressure measuring method and device, computer equipment and a storage medium, and the method comprises the steps that a cuff pressurizing module is started, and an air pump assembly is used for inflating the cuff pressurizing module until the pressure of the cuff pressurizing module exceeds the systolic pressure of a measured person; in the process that the air pump assembly inflates the cuff pressurization module based on the preset inflation rate, cuff pressure data detected by the pressure sensor and PPG data collected by the PPG sensor module are obtained; and performing fusion calculation on the cuff pressure data and the PPG data by using a preset blood pressure calculation model to obtain a blood pressure measurement result. The blood pressure measuring precision and the air inflation rate can be improved, the measuring time is shortened, and then the problem that in the air inflation process, a measured person is pressed by the cuff for a long time, and consequently discomfort is caused can be solved.

The utility model relates to the technical field of biochemical treatment, in particular to a biochemical treatment purification device with an aeration mechanism, which comprises a box body and a box cover, the box cover is arranged at the upper end of the box body, a feed hopper is arranged on the box cover, a water injection pipe is arranged on one side of the box body, a drain pipe is arranged on the other side of the box body, and an inflation mechanism is arranged in the box body. A supporting plate is arranged in the inflation mechanism, an air pump assembly is arranged on the supporting plate, an air conveying pipe is arranged at the output end of the air pump assembly, a connecting pipe is arranged at one end of the air conveying pipe, exhaust pipes are arranged at the two ends of the connecting pipe, a mixing mechanism is arranged in the box body, and a servo motor is arranged in the mixing mechanism. And a transmission rod is rotationally mounted at the output end of the servo motor through a coupling.

The invention discloses a low-carbon prefabricated concrete member for urban old reform and a preparation process thereof, and relates to the technical field of building materials. The component production equipment comprises a frame composed of vertical rods and fixing rods, and an air pump assembly, an air cylinder, an extrusion assembly, a buffering assembly and a linkage assembly which are arranged in a protection box. The extrusion assembly drives a moving plate and an extrusion block to press downwards through an air cylinder, a double-shaft motor is used for driving an eccentric wheel to enable a mold to vibrate, and vibration-extrusion composite forming is achieved. The buffer assembly absorbs vibration energy, and the linkage assembly ensures synchronous movement. The preparation process adopts a cement-free cementing material formula, comprises industrial solid wastes such as coal gasification coarse slag, steel slag and the like, and comprises the steps of batching, pressurization, vibration molding, dry heat curing and demolding. The concrete compactness and forming quality are effectively improved, carbon emission is remarkably reduced, equipment operation is stable, the method adapts to the characteristics of low-carbon concrete materials, and the urban old-to-green construction requirement is met.