1480 results about "Pump head" patented technology

Systems and methods for controlling an implantable pump are provided. For example, the exemplary controller for controlling the implantable pump may only rely on the actuator's current measurement. The controller is robust to pressure and flow changes inside the pump head, and allows fast change of pump's operation point. For example, the controller includes, a two stage, nonlinear position observer module based on a reduced order model of the electromagnetic actuator. The controller includes an algorithm that estimates the position of the moving component of the implantable pump based on the actuator's current measurement and adjusts operation of the pump accordingly. Alternatively, the controller may rely on position measurements and / or velocity estimations.

The utility model discloses a peristaltic pump which comprises a pump head, an installation inner cavity is formed in the pump head, two installation holes communicated with the installation inner cavity are further formed in the pump head, and a positioning part is arranged in the installation inner cavity. The pump core assembly comprises a rotating core body and a plurality of extrusion rotors, and the extrusion rotors are rotatably arranged on the rotating core body; a positioning matching part is arranged on the outer pipe wall of the pump pipe; wherein the rotating core body is rotatably arranged in the mounting inner cavity, the positioning part is distributed around the outer side of the rotating core body, the pump pipe extends into the mounting inner cavity and is wound outside the rotating core body, the extrusion rotor abuts against the pump pipe, the two ends of the pump pipe extend out of the mounting inner cavity through the corresponding mounting holes, and the positioning matching part is connected with the positioning part. The installation reliability of the pump pipe is improved, so that the flow control accuracy of the peristaltic pump is improved.

The application discloses a kind of micro flow high pressure hydraulic diaphragm metering pump, including pump head and pump body, diaphragm piece is equipped between the pump head and pump body, pump head, including pump head body, feed valve and discharge valve;Pump body, including pump body and plunger assembly, plunger assembly is driven to diaphragm piece by reciprocating motion, plunger assembly includes cylinder sleeve, cylinder sleeve inside is equipped with plunger cavity, plunger cavity is equipped with plunger in cooperation, at least one oil supplement cavity is equipped in plunger cavity, plunger and cylinder sleeve are also equipped with combined sealing mechanism between it.The application is optimized plunger assembly, utilizes long axis plunger, forms small capacity hydraulic oil cavity, with the rapid reciprocating motion of plunger, can realize the high frequency small scale reciprocating operation of diaphragm piece, is suitable for the transmission of small size gauge medium flow passage in pump head, realizes micro high pressure output.

A pump can include a pump head, a body housing, a motor disposed within the body housing, and a motor shaft extending from the motor. The pump head can include a sensor, at least a first interface portion, and at least a first elongate conductor electrically connecting the sensor to the at least a first interface portion. The body housing can include at least a second interface portion and at least a second elongate conductor electrically connecting the at least a second interface portion to pump electronics. The sensor can be configured to sense when the at least a first interface portion does not contact the at least a second interface portion. When the at least a first interface portion does not contact the at least a second interface portion and the pump head is removed from the body housing, the pump head can be pivotable relative the motor shaft such that an orientation of the pump head can be changed with respect to the body housing.

The invention belongs to the technical field of liquid pumps, and particularly relates to a plunger pump. Four plunger holes are distributed in the pump head in a matrix mode, water inlet one-way valves are arranged in the four plunger holes, a water outlet pipeline communicated with the corresponding plunger hole is arranged on the pump head beside each plunger hole, a first water outlet one-way valve is arranged in each water outlet pipeline, a water catchment channel is further arranged in the pump head, and the water catchment channel is communicated with the water outlet pipelines through communicating holes. The water outlet hole is communicated with the water catchment channel, and a second water outlet one-way valve is arranged on the water outlet hole; the pump head is further provided with a water return channel and a pressure regulating valve hole, the water return channel, the pressure regulating valve hole and the water catchment channel are communicated, and a pressure regulating valve is arranged in the pressure regulating valve hole. The water outlet hole and the pressure regulating valve hole are obliquely formed in the pump head, and the outer ends of the second water outlet one-way valve and the pressure regulating valve extend out of the pump head and are located on the two sides of the water inlet hole; the four plunger holes are distributed in a matrix mode to replace a traditional linear side-by-side layout to share the same water catchment channel and the same water return channel, and space and materials are saved.

The diaphragm pump comprises a pump head, the pump head is provided with a liquid inlet, a liquid outlet, a liquid inlet cavity communicating with the liquid inlet, a liquid outlet cavity communicating with the liquid outlet and an extrusion cavity communicating with the liquid inlet cavity and the liquid outlet cavity, and the diaphragm pump further comprises a rolling turbulent flow piece arranged in the liquid inlet cavity and / or the liquid outlet cavity. The rolling turbulent flow piece can roll in the liquid inlet cavity and / or the liquid outlet cavity under the impact of water flow, and turbulent flow is conducted on the water flow; the utility model further discloses a water purifier which comprises the diaphragm pump. Through the arrangement of the rolling spoiler, when water flow moving at a high speed makes contact with and collides with the rolling spoiler, kinetic energy of water flow is converted into motion kinetic energy of the rolling spoiler, so that fluid with a slow flow speed does not cause large vibration of the cavity wall when the fluid collides with the cavity wall; meanwhile, friction noise generated when the water flow flows through the cavity wall is correspondingly reduced, and an excellent water flow noise reduction effect is achieved in a high-flow-speed machine according to the technical scheme.

The invention belongs to submersible pump machining equipment, and particularly relates to a vacuum adsorption machining clamp and submersible pump head machining equipment and method. In order to solve the problems that in the prior art, due to the fact that small chippings are accumulated in a clamping groove in the machining process, the workpiece inclines during clamping, the following scheme is provided, the device comprises a fixed disc, the top of the fixed disc is rotationally connected with a rotating base disc, and a clamping groove for containing the workpiece is formed in the top of the rotating base disc; in order to tightly adsorb the workpiece in the clamping groove, a vacuum adsorption structure is arranged in the rotating base plate, when air in the annular cavity is exhausted to conduct vacuum adsorption on the workpiece, the pressing plate can be driven to move downwards so that the pressing block can clamp the workpiece in the vertical direction, in addition, the baffles can be controlled to be close to each other to form a circular ring, and therefore the clamping efficiency is improved. And a gap between the workpiece and the clamping groove is shielded.

The invention relates to the field of medical instruments, in particular to an extracorporeal membrane oxygenation device with mechanical protection, which comprises a main device and a consumable component, one side of the main device is provided with a connecting piece and a pump head driving seat, and the top of the main device is provided with a protection frame; the consumable assembly is detachably installed on the connecting piece, the consumable assembly is provided with a pump head connected with the pump head driving base, and the protection frame is suitable for forming external protection on the consumable assembly installed on the connecting piece. The oxygenator and the pump head are integrated on the consumable assembly and then installed on the connecting piece of the main equipment in a buckled and matched mode, a mechanical protection frame is formed for the consumable assembly based on the protection frame on the main equipment, the consumable assembly is not prone to being collided by machines in the transferring process, and the transferring safety is improved. The extracorporeal membrane oxygenation device is small in size, light in weight, convenient to operate, very convenient to transfer, and suitable for forming the portable and integrated extracorporeal membrane oxygenation device with mechanical protection, and the extracorporeal membrane oxygenation device is used for being transferred between long-distance hospitals.

The invention discloses a self-suction type magnetic suspension pumping device which comprises a magnetic suspension pump, a self-suction pump and a controller, the magnetic suspension pump comprises a pump head and a magnetic suspension motor, the pump head is provided with a first inlet and a first outlet, the self-suction pump is provided with a second inlet and a second outlet, and the second inlet of the self-suction pump is connected with the first outlet of the magnetic suspension pump in series; the controller is configured to control the working states of the magnetic suspension pump and the self-priming pump, and the self-priming pump is configured to suck a medium in a pump head of the magnetic suspension pump to form negative pressure, so that to-be-conveyed fluid enters the pump head through the first inlet, and the magnetic suspension pump completes self-priming; after the magnetic suspension pump completes self-absorption, the output fluid is subjected to follow flow through the follow flow bypass; or after the magnetic suspension pump completes self-priming, the output fluid flows through the straight-through flow channel of the self-priming pump. According to the invention, the self-absorption function of the magnetic suspension pump is realized on the premise of not influencing the original performance of the magnetic suspension pump and not introducing particulate matter pollution or increasing shear force in the ultra-clean environment application of biological medicine or semiconductor manufacturing and the like.

The pump head with the filter screen blocking early warning structure comprises a pump head body and a filter screen, a mounting hole is formed in one side of a water outlet of the pump head, a mounting cylinder is arranged at the position, corresponding to the mounting hole, of the outer surface of the water outlet of the pump head, the inner diameter of the mounting cylinder is larger than the diameter of the mounting hole, and a sealing assembly is arranged in the mounting cylinder; a cap is detachably mounted at one end of the mounting cylinder, an elastic part is arranged between the sealing assembly and the cap, a pressure sensor is arranged on the cap, a buzzer is arranged outside the mounting cylinder, and the pressure sensor is in control connection with the buzzer; in an initial state, the sealing assembly seals the mounting hole; and when the pressure in the water outlet of the pump head rises and exceeds a set value, the sealing assembly is far away from the mounting hole and triggers the pressure sensor. Whether the filter screen is blocked or not is judged by monitoring the pressure change of the water outlet, an alarm sound is given out through the buzzer for early warning when blockage occurs, and the problem that the applicability of the filter screen is affected due to the fact that an early warning mechanism is not sensitive or accurate enough under different working conditions is solved.

The utility model discloses a pumping system capable of realizing mechanical seal leakage monitoring, which comprises a motor (1), a vertical pump body (2) and a pump head (3), the outlet end of the pump head (3) is connected with a liquid outlet pipeline (4), and the pumping system is characterized in that the outlet end of the liquid outlet pipeline (4) is connected with the inlet end of a check valve (5), a first mechanical seal (6) is arranged at the joint of the vertical pump body (2) and the pump head (3), and a second mechanical seal (7) is arranged at the outlet end of the check valve (5). An impeller is arranged in the pump head (3), a second mechanical seal (7) is arranged on the upper portion of a hub of the impeller, a monitoring pipeline (23) is arranged in the vertical pump body (2), the height of a bottom opening of the monitoring pipeline (23) is between the height of the first mechanical seal (6) and the height of the second mechanical seal (7), and the height of a top opening of the monitoring pipeline (23) is larger than that of the first mechanical seal (6).

The invention discloses a pump head airtightness detection system based on an intelligent sensor, and belongs to the technical field of airtightness detection. The system specifically comprises the following steps that S1, a historical data acquisition module acquires pump head air tightness detection multi-source historical sample data and transmits the pump head air tightness detection multi-source historical sample data to a data preprocessing module; and S2, the data preprocessing module preprocesses the obtained multi-source historical sample data, and performs physical noise reduction and calibration on the multi-source historical sample data. Three types of multi-source data of acoustics, pressure and thermotics are collected, normal parts, leakage parts, vibration, temperature change and other interference working conditions are covered, all-directional description of the air tightness state of the pump head is achieved, limitation of a single data dimension is avoided, and a special optimization method is adopted for different types of data. The environmental noise is effectively filtered; the pressure data is subjected to curved surface fitting through Kriging interpolation, and abnormal values introduced by fluctuation of the sensor are eliminated.

The utility model relates to the technical field of pressing pump assembly, and particularly discloses three-in-one automatic assembly equipment based on adaptive multi-size pressing pumps, the three-in-one automatic assembly equipment is used for assembling the pressing pumps, each pressing pump comprises a cover body, a pressing head and a suction pipe, and the three-in-one automatic assembly equipment comprises a turntable, a base, a guide frame, a feeding mechanism, a pressing mechanism and a suction pipe assembly mechanism. The guide frame, the feeding mechanism, the pressing mechanism and the straw assembling mechanism are sequentially arranged in the rotating direction of the rotating disc, in the rotating process of the rotating disc, the guide frame guides a cover body into an assembling station, the feeding mechanism installs a pressing head on the cover body, the pressing mechanism extrudes the pressing head, and assembling of the pressing head and the cover body is achieved; the suction pipe assembling mechanism is used for assembling the suction pipe at the bottom of the cover body, so that the overall assembly of the pressing pump is realized, and the pump head assembling efficiency is improved; the feeding mechanism can be suitable for pressing heads of pressing pumps of various sizes, and therefore the practicability of pump head assembling equipment is improved.

The invention discloses an automobile thermal forming stamping die anti-sticking coating protection assembly, and relates to the technical field of automobile part production, the automobile thermal forming stamping die anti-sticking coating protection assembly comprises a die body, the die body is provided with an auxiliary mechanism used for protecting an anti-sticking coating, and the auxiliary mechanism comprises two electric push rods, two cylindrical holes, a storage tank and two sliding grooves. A first electric valve is installed at the output end of the storage tank, a double-shaft motor is arranged on the periphery of the storage tank, and a first pump head and a second pump head are installed at the two output ends of the double-shaft motor through a main electromagnetic clutch and an auxiliary electromagnetic clutch respectively. When the mold release agent is used, scratch and abrasion of impurities to the anti-mold-sticking coating are reduced through impurity cleaning, a film formed by spraying the mold release agent on the surface of the anti-mold-sticking coating not only can play a role in mold release and lubrication, but also can play a role in buffering the anti-mold-sticking coating, so that the service life of the anti-mold-sticking coating is prolonged, and frequent shutdown is avoided.

The utility model provides automatic tightening equipment for pump head bolts, and belongs to the technical field of water pump assembly equipment. The wire locking device comprises a wire locking mechanism and a tool rotating mechanism which are arranged on a base frame. The wire locking mechanism comprises a lifting set fixed to the base frame, and a longitudinally-arranged bolt sleeve is fixed to the lifting set. The tool rotating mechanism comprises a sliding set with the front-back and left-right sliding function, a tool table is fixed to the upper portion of the sliding set, rotating bases are fixed to the two ends of the tool table respectively, a rotating plate is rotationally connected between the two rotating bases, and a clamp used for clamping a pump head is arranged on the rotating plate. And a driving piece for driving the rotating plate to rotate is arranged at the end part of the rotating plate. The bolt assembling device has the advantages of being high in bolt assembling efficiency and assembling quality and the like.

A pumphead comprises a housing having a first end defining an aperture configured to receive a valve head therein; a handle housing defining an air passage in fluid connection with the aperture and an air pump; and a lock arm comprising an end pivotally coupled to the pumphead housing at the end of the pumphead housing opposite the aperture; and a second end disposed between the handle housing and the first end of the pumphead housing. Pivoting the lock arm toward the handle housing locks the pumphead housing around the valve head when the valve head is received in the aperture.

A liquid pump with a housing in which a wound stator and electronics are arranged in a dry area. A permanent magnet rotor is arranged in a wet area. A shaft is held on the one hand in a pump head and on the other hand in a shaft receptacle in a containment shell. The containment shell separates the dry area from the wet area. At least one bearing is incorporated in the permanent magnet rotor and is arranged rotatably on the shaft, wherein the permanent magnet rotor comprises a plastic insert and a permanent magnet, and at least one fluid channel runs parallel to the axis and is formed between the plastic insert and the permanent magnet.

The utility model discloses a pump head of a magnetic suspension blood pump, which relates to the technical field of medical instruments and comprises a pump casing and a rotor in the pump casing, a blood inlet is arranged at the center of the pump casing, an outlet pipe communicated with the inside of the pump casing is fixedly mounted on the side wall of the pump casing, the rotor and the blood inlet are coaxially arranged, and a permanent magnet is arranged in the rotor. An impeller is fixedly installed on the rotor, and the ratio of the diameter of the outer contour circle of blades of the impeller to the maximum diameter of the transverse cutting circle of the pump ranges from 0.7 to 0.9. The ratio range of the outer contour circle diameter of the impeller blades to the inscribed circle diameter of the pump shell is set to be 0.7-0.9, the hydraulic performance of the blood pump is guaranteed, and meanwhile damage to blood can be reduced as much as possible.

A double-pump assembly and a clothes treatment device having the same. The double-pump assembly includes a pump body, and a first pump head assembly and a second pump head assembly arranged in the pump body, where the pump body is provided with a water inlet, a first water outlet and a second water outlet, the water inlet is connected to the first water inlet cavity or the second water inlet cavity in the pump body, the first pump head assembly is configured to enable water entering the first water inlet cavity through the water inlet to be discharged through the first water outlet, and the second pump head assembly is configured to enable water entering the second water inlet cavity through the water inlet to be discharged through the second water outlet.

The invention relates to the technical field of pressing pump assembling, in particular to a pressing pump head assembling machine based on automatic calibration and an automatic calibration method.The pressing pump head assembling machine comprises a rotating disc, a positioning jig, a positioning head and a positioning and rotating composite mechanism, the positioning jig is arranged on the rotating disc, so that a pump shell inserted into the positioning jig can sequentially pass through assembling stations, and the assembling efficiency is improved; in the assembling link, the positioning and rotating composite mechanism can drive the positioning head to accurately abut against and position the pump shell and then drive the pump shell to rotate, so that smooth insertion of parts is achieved, and the problem that in a traditional assembling mode, the pump shell is slightly deformed due to long-time rigid fixing of a clamp is solved; and meanwhile, the mode of rotary insertion after positioning is adopted, stress distortion in the pump shell fixing process is avoided, fine adjustment and centering of parts in the insertion process are achieved through dynamic guide of rotation, and the overall assembly smoothness, coaxial precision and reliability are improved.

The utility model discloses a novel piston-free pump head which comprises a pump chamber with an opening in the upper end, a resettable pump head body is installed in the pump chamber, a base cover used for being installed on a bottle opening is installed at the upper end of the pump chamber, a first protruding ring is arranged on the inner wall of the base cover, and the first protruding ring abuts against the outer wall of the pump head body. The installation gap between the base cover and the pump head is sealed, the pump head is pressed, air in the pump chamber enters the bottle through the air inlet hole, liquid in the bottle is discharged through the liquid outlet pipe and the pump head, the pump head is loosened, external air enters the pump chamber through the air supply channel, circulation is formed, an additional piston structure is not needed, and on the basis that normal liquid outlet is guaranteed, the working efficiency is improved. The structure is optimized, the production and assembly process is simplified, manufacturing is easier, the piston structure does not need to be damaged in the installation process, and the situation that the sealing effect of the piston structure becomes poor after repeated use, air leakage occurs, and consequently the product function is unstable is avoided.

The invention relates to the technical field of water conservancy and hydropower construction, in particular to water quality detection equipment in water conservancy and hydropower construction, which comprises a movable seat and a fixed ring fixedly connected to the movable seat, a barrel is fixedly connected to the inner side of the fixed ring along the circumferential direction, an air cylinder is fixedly connected to the inner side of the barrel, and a detection head is fixedly connected to the end part of a telescopic rod of the air cylinder; u-shaped plates are symmetrically and fixedly connected to the top of the movable seat. An electric winding roller is started to rotate forwards to loosen a hose, the hose drives a water pumping head to move downwards into water, then a water pump is started, the water pump pumps water through the water pumping head, the water firstly makes contact with a mesh enclosure, the mesh enclosure filters impurities in the water, the water with the impurities filtered out continues to flow upwards to be pumped and collected, and water quality detection is completed. Meanwhile, water flow further drives an impeller to rotate, the impeller rotates to drive a rotating rod to rotate, the rotating rod drives a scraper to rotate through a bevel gear and an outer gear ring, and the scraper rotates to scrape impurities attached to the mesh enclosure so as to prevent blockage from affecting water extraction, so that the subsequent water quality detection efficiency is improved.

The utility model relates to a vacuum bottle with a pressing type telescopic pump head, which aims at solving the technical problems that a core head of the existing similar product is difficult to retract and hide after being pressed, sanitation and cleanness of an orifice are difficult to guarantee, and the shape maintenance and the production stability are poor when emulsion is discharged. The telescopic pump head vacuum bottle comprises an inner pipe, an outer pipe, a pressing cap, a piston, a pump core assembly and a liquid outlet nozzle assembly. The liquid outlet nozzle assembly is characterized in that a lower shoulder sleeve at one end of a pipe sleeve of the liquid outlet nozzle assembly is buckled and fixed to the outer pipe, one end of a liquid outlet hole in the pipe sleeve is sleeved with a valve rod extending out of the pump core assembly, the other end of the liquid outlet hole protrudes and is sleeved with a dropper head, and a liquid dropping core buckled and fixed in the liquid outlet hole is arranged at the sleeving position of the dropper head and the liquid outlet hole of the pipe sleeve. The head of the dropping core is inserted into the inner diameter of a dropping hole of the dropper head, the outer diameter of the dropping hole of the dropper head is sleeved with a head cap hole in one end of the head cap, a dropper head spring is arranged on the outer diameter of the dropper head in the head cap, and a transition cavity for pressing the dropping core to stretch out, retract and hide is arranged between the outer diameter of the head of the dropping core in the dropper head and the inner wall of the dropping head.

The invention discloses a magnetic suspension rotor impeller, a pump head and a magnetic suspension pump, the magnetic suspension rotor impeller comprises a rotor main body and a magnetic suspension rotor, the rotor main body is cylindrical, a first cavity is formed in the rotor main body, and the magnetic suspension rotor is sealed in the first cavity; the magnetic suspension rotor comprises a rotor magnet and a nano ceramic composite coating, and the nano ceramic composite coating comprises a metal coating in contact with the rotor magnet and a nano ceramic coating arranged outside the metal coating. By forming the nano ceramic composite coating on the surface of the rotor magnet, the problem that the plastic coating cannot play a role in protection due to damage to the plastic coating in the assembly process is solved, so that the service life of the magnetic suspension rotor impeller can be prolonged, metal coating ions are prevented from being separated out to pollute a pumping medium, and the cleanliness of the pumping medium is ensured.

The invention discloses a glass reinforced plastic pipe and a production device thereof, and relates to the technical field of glass manufacturing. To solve the problem of uniformity. The device specifically comprises a rack, a motor, a guide rod and a bidirectional reciprocating lead screw, the motor is fixed to the outer wall of one side of the rack through a bolt, and a core mold is fixed to an output shaft of the motor through a flange. On one hand, through the mode that yarn is wound and then glue is sprayed, the uniformity of glass fiber reinforced plastic pipe manufacturing can be achieved through the uniformity of glue spraying, on the other hand, the linear movement speed of the first sliding block is related to the rotating speed of the bidirectional reciprocating lead screw, the glue spraying speed is related to the rotating speed of the pump head, and the pump head is connected with the bidirectional reciprocating lead screw; and the bidirectional reciprocating screw rod is driven to the core mold through the transmission mechanism, so that the rotating speed of the core mold, the linear moving speed of the sliding block I and the glue supply speed of the pump head are all related to the speed of the motor, the glue spraying speed, the moving speed and the rotating speed of the core mold are ensured to be matched, and the winding preparation uniformity of the glass reinforced plastic pipe is completely ensured.

The utility model belongs to the technical field of automation equipment, and particularly relates to water pump assembling equipment which comprises a transferring device, a water pump assembling device and a water pump assembling device. The stator press-fitting device is arranged on one side of the transferring device and used for pressing and installing the stator and the rotor which are located in the pump shell; the swash plate assembling device is arranged on one side of the transferring device and used for installing the swash plate in the pump shell located on the tool; the pump head assembling device is arranged on one side of the transferring device and used for carrying the pump head on the tool and installing the pump head on the pump shell located on the tool. The transferring device sequentially drives the tool to pass through the stator press-fitting device, the swash plate assembling device and the pump head assembling device to be assembled. Through the full-automatic transfer device, the water pump is driven to pass through various assembly devices in sequence, so that automatic installation of the water pump with the swash plate is achieved.

The invention relates to a casing structure of a circulating pump and circulating pump equipment with the casing structure, the casing structure is mounted on the circulating pump, the circulating pump comprises a pump head, a sealing ring and a bolt, and the casing structure comprises an end face confluence groove, an external conduction groove, an internal conduction groove and a casing flange end face; the bolt penetrates through the flange end face of the machine shell and then is connected with the pump head in a fastened mode, and the axial height of the sealing ring is compressed. The end face confluence groove is formed in the end face of the shell flange and extends to the external conduction groove in the radial direction, and the bottom plane of the end face confluence groove extends to the internal conduction groove in the axial direction, so that the axial bottom face of the internal conduction groove and the bottom plane of the external conduction groove are arranged in a staggered mode in the axial direction. Compared with the prior art, the device has the advantages of preventing condensate water and external splashing at the same time and the like.

1. Name of this design product: Press pump head (smooth, hair-like curve shape). 2. Purpose of this design: For use as a press pump head for packaging bottles. 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.

A pump head for a pneumatic system is provided. The pump head including a head portion and an adapter with a main bore designed to receive a valve, the main bore providing alignment for the valve. The adapter is sealingly and removably coupled to the head portion. The pump also includes a plurality of holes in the adapter component circumscribing the main bore, each hole containing a spherical element biased inward by a biasing member. The spherical elements are configured to engage with a complementary groove on the valve to lock the valve in place. The pump head further includes an inflation pin coaxial with the main bore and sealingly fixed to the adapter. At least a portion of the plug is configured to be received into the inflation pin when the valve is received by the adapter.

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.