A resetting structure and a normally open one-way valve using the same is disclosed. The valve includes a valve plate arranged in a communication cavity of the normally open one-way valve, the valve plate includes a mounting portion at the center and a connecting portion around the mounting portion; the connecting portion is elastic, the periphery of the connecting portion is fixed to inner wall of the communication cavity, and the mounting portion can depend on elastic deformation of the connecting portion and the drive assembly on the one-way valve is moved in the communication cavity; one end of the mounting portion is connected to the connecting rod of the one-way valve, and the other end is used for opening and closing gas nozzle of the one-way valve; and the connecting portion is annular plate-like, and inner side wall of the connecting portion is fixed to the mounting portion.
The present application relates to a field of a connection valve, in particular to a connecting rod spring diaphragm check valve, which includes a valve body, and the valve body is defined with an internal fluid channel; It also includes a control component, which includes a movable rod, the movable rod is provided inside the valve body to block the fluid channel; the movable rod is provided with a blocking plate, the blocking plate is configured to block the movable rod from the fluid medium.
A piston for a pump and a pump are provided. A piston bladder (2) of the piston is cylindrical in shape, a chamber (20) is a cylindrical chamber, the chamber (20) has as inner diameter of 9.2±0.5 mm, the chamber (20) has a depth of 3.8±0.5 mm, the piston bladder (2) has a wall with a thickness of 0.5±0.3 mm, and the piston bladder (2) has an outer circumferential surface, a part of the outer circumferential surface connected to a base plate (1) protrudes outwards radially to form a protective sleeve (21).
A diaphragm pump is revealed. The diaphragm pump includes a pump device, a pump body, a top cover, and an air release valve head. The pump body includes at least two air inlet passages, at least one air outlet passage and at least one leak-proof/sealing passage, all selectively communicating with one cavity. The top cover includes a valve port, an air vent and an air outlet duct. Air pressure in the leak-proof passage acts on the air release valve head so that the valve port is closed by the air release valve head while the pump device is pumping air. The air release valve head and the valve port are separated from each other and then the valve port is communicating with the air outlet duct when the pump device stops pumping air. The pump performance is improved and no air release valve is required.
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
F04B 49/22 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by means of valves
The present invention discloses a movable valve core and an electromagnetic valve comprising the same. The movable valve core, comprising a cylindrical core body (1) defining a central axis, a leading head (2) fixed to the core body (1) removably, wherein a water-proof valve membrane (3) sandwiched between the core body (1) and the leading head (2), wherein a mounting hole (4) is axially formed in the core body (1), and a connector (5) for projecting into the mounting hole (4) extends axially from the bottom of the leading head (2), and the connector (5) is fixed into the mounting hole (4). The connector (5) is provided with an outer thread (6), and the leading head (2) is screwed into the mounting hole (4).
F16K 31/02 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic
F16K 1/32 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces Details
F16K 31/06 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a magnet
F16K 41/12 - Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
6.
Valve head structure for diaphragm pump and diaphragm pump having same
A valve head structure and a diaphragm pump having the same are provided. The valve head structure includes a pump body, the pump body including a bonnet and a valve seat connected to each other, the valve seat is provided with a first connecting member; a diaphragm assembly mounted to an upper face of the valve seat, the diaphragm assembly including a plate body provided with a second connecting member fitted with the first connecting member; and a water outlet disc integrally formed on the plate body; a water inlet disc provided with a recessed face with a downwards opening, the water inlet disc being at least partly fitted closely with the recessed face, so as to open or close the water inlet opening.
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
F16K 7/17 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
An upper cover (2) for a pump, and a pump. An air outlet duct (21) is arranged on the upper cover (2), the upper cover (2) being used for covering an airbag (11) of a pump, the airbag (11) being provided with an air chamber (1120) open toward the upper cover (2), and the upper cover (2) being provided with a pressurising protrusion (22) suitable for extending into the air chamber (1120).
A piston assembly (1) for a pump, and a pump. The piston assembly (1) comprises: an airbag (11) and a movable connecting bracket (12). The airbag (11) comprises: a base tray (111), a bag body (112), and a sleeve tube (113), the base tray (111) and the sleeve tube (113) respectively being positioned on two opposite sides of the bag body (112), an air cavity (1120) being defined inside the bag body (112), the side of the air cavity (1120) facing the base tray (111) being penetrated to form an opening (1122), and the bottom wall of the air cavity (1120) being provided with a first through hole (1121) in communication with the sleeve tube (113). A connecting support leg (121) is provided on the connecting bracket (12), a second through hole (1211) being disposed on the connecting support leg (121), the connecting support leg (121) extending into the sleeve tube (113); when the connecting bracket (12) moves, the second through hole (1211) and the first through hole (1121) can alternately communicate and disconnect.
A piston utilized in a pump, and a pump. A piston chamber (2) of a piston (100) is cylindrical, and a chamber space (20) is a cylindrical space. An inner radius of the chamber space (20) is 9.2 ± 0.5mm. The chamber space (20) has a depth of 3.8 ± 0.5mm. The piston chamber (2) has a wall thickness of 0.5 ± 0.3mm. The peripheral part of the piston chamber (2) connected to a base (1) protrudes outwards to form a protective cover (21).
Provided is a solenoid valve, including a housing, comprising a valve head and a valve body defining a containing chamber; a stationary iron core, installed in the containing chamber; a moving iron core, disposed in the containing chamber and being movable between a lower proximal position and an upper distal position from the stationary iron core; a coil, fitted over an outer circumference wall of the valve body and configured to produce electromagnetic force for driving the moving iron core to move in the containing chamber; and an elastic spacer, disposed at at least one of the stationary iron core and the moving iron core and configured to enable the moving iron core to be spaced apart from the stationary iron core at a predetermined distance L when the moving iron core is located at the lower proximal position, so as to avoid the moving iron core from colliding with the stationary iron core.
A valve clack is provided. The valve clack includes: a mounting column (11) having a plurality of air slots (111) for dispersing an airflow at least in a top surface of the mounting column (11); a plurality of blades (12) arranged outside the mounting column (11) in a circumferential direction of the mounting column (11), each blade (12) having a radial inner end connected to the mounting column (11) and elastically swingable with respect to the mounting column (11).
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
F04B 27/10 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
F16K 15/14 - Check valves with flexible valve members
F04B 39/10 - Adaptation or arrangement of distribution members
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
Disclosed is an air pump (100), comprising an upper cover (1), a valve seat (2) and a valve plate (3), wherein an air outlet (11) is formed on the upper cover (1), the valve seat (2) is arranged at the bottom of the upper cover (1), an air inlet (211) is formed on the valve seat (2); an air inlet cavity (S1) and an air outlet cavity (S2), which are in communication with each other, are defined between the valve seat (2) and the upper cover (1), the air inlet cavity (S1) being in communication with the air inlet (211), the air outlet cavity (S2) and the air outlet (11) being in communication via an exhaust passage (S4), which is defined between the upper cover (1) and the valve seat (2); and the valve plate (3) is movably arranged at the air inlet (211) so as to open and close the air inlet (211).
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Disclosed is an air pump (100), said air pump (100) comprising an upper cover (1), a valve seat (2) and a valve plate (3), wherein an air outlet (11) is formed on the upper cover (1), the valve seat (2) is arranged at the bottom of the upper cover (1), an air inlet (211) is formed on the valve seat (2), an air inlet cavity (S1) and an air outlet cavity (S2) are defined between the valve seat (2) and the upper cover (1), the air inlet cavity (S1) is in communication with the air inlet (211), the air outlet cavity (S2) is in communication with the air outlet (11), the air inlet cavity (S1) and the air outlet cavity (S2) are in communication via a communication passage (S3), and the valve plate (3) is movably arranged at the air inlet (211) so as to open and close the air inlet (211).
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Disclosed is an air pump (100), comprising an upper cover (1) formed with an air outlet (11), a valve seat (3) formed with an air inlet (31), a valve plate (4) and a muffler part (2), wherein the valve seat (3) is arranged at the bottom of the upper cover (1), the valve plate (4) is movably arranged at the air inlet (31), the muffler part (2) is arranged between the upper cover (1) and the valve seat (3), a communicating hole (21) in communication with the air inlet (31) is formed on the muffler part (2), an air inlet passage (S1), a muffler chamber (S3) and an air outlet passage (S2) are defined between the muffler part (2) and the upper cover (1), the air inlet passage (S1) is in communication with the communicating hole (21), the air outlet passage (S2) is in communication with the air outlet (11), and the air inlet passage (S1) and the air outlet passage (S2) are in communication via the muffler chamber (S3). The air pump has a long and complex air flow path, air alternately flows between small and big chambers, and thus working noise is reduced.
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
An air pump is provided. An air pump includes an upper cover, a valve seat, a spacer, an air intake one-way valve and a piston assembly. The upper cover has an air outlet. The valve seat is disposed on a bottom of the upper cover. The spacer is disposed between the valve seat and the upper cover and has an air intake chamber and an air outtake chamber. The air intake chamber has an air intake passage communicated therewith, and the air outtake chamber having an air outtake passage communicated therewith. The spacer has a valve clack, so that air flows in a one-way direction from bottom to top. The air intake one-way valve is disposed and movable in the air intake passage so as to make the air flow in the one-way direction from top to bottom. The piston assembly is disposed under the valve seat.
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
F04B 27/08 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
F04B 39/10 - Adaptation or arrangement of distribution members
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
F04B 27/10 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
A valve plate, comprising: an installation post (11) having a plurality of air grooves (111) for dispersing airflow on at least the top surface of the installation post (11); and a plurality of blades (12) circumferentially arranged outside the installation post (11), the radial inner end of each blade (12) being connected to the installation post (11) and being able to elastically swing relative to the installation post (11). Also provided is an air pump having the blades. The valve plate effectively reduces the noise of airflow, thus reducing the noise of an air pump.
Disclosed is a valve plate, comprising: a mounting column (11); a plurality of blades (12) distributed outside the mounting column (11), along the circumference thereof. The radially inner end of each blade (12) is connected to the mounting column (11) and swings elastically relative to the mounting column (11). Adjacent blades (12) are separated by a rib (13), one end of the rib (13) being connected to the mounting column (11). The position on the blade (12) where the blade is connected to the rib (13) is provided with a buffer structure, the buffer structure being used to provide a deformation buffer space for the blade (12). Also disclosed is an air pump provided with the present valve plate. The present valve plate effectively reduces airflow noise, thus achieving the aim of reducing air pump noise.
F04B 35/00 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
A miniature air pump includes a motor unit, a valve unit and a compression unit. The compression unit is driven by the motor unit to input or output airflows via the valve unit. The compression unit includes an air chamber module and a linkage rod. The air chamber module includes a plurality of compressible chambers and a plurality of resilient connection members, each resilient connection member is located on each compressible chamber. The linkage rod is connected with the motor unit and includes a central rod and multiple sleeves extending from the central rod. Each sleeve has a side cutout. Each resilient connection members engages each sleeve via the side cutout such that the motor unit drives the air chamber module to be compressed or decompressed to input or output airflows via the valve unit. A longitudinal direction of the side cutout is in parallel with the central rod.
F04B 27/08 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
F04B 43/02 - Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
F04B 43/00 - Machines, pumps, or pumping installations having flexible working members
Disclosed is an easy-to-assemble micropump, being an apparatus driven by a motor (1) and able to deliver gas. The micropump comprises the motor (1), a cylinder-shaped base (3), an eccentric wheel (2) with an inclined insert hole, a steel needle (44), an umbrella-shaped connection rod (4) with three clamping holes, a cylinder plate (6) with three cylinder bores, a piston body (5) with three intake valve flaps and three hollow pistons, a chamber pressure plate (7) with three exhaust holes, an upper cover (9) with an exhaust pipe, and three exhaust valve flaps, wherein the three exhaust valve flaps are connected into an exhaust valve flap block (8) via a connection portion, and the connection portion is a planar flap of triangle shape or three strips of protrusions in a starlight pattern, with the three apex angles of the connection portion being respectively connected to one exhaust valve flap; the exhaust valve flap block is provided within an interior space between the upper cover and the chamber pressure plate; and these three valve flaps each cover a corresponding exhaust hole on the chamber pressure plate, such that the case of a certain exhaust valve flap being forgotten to be assembled during fitting is avoided.
A pressure relief valve includes an outer frame, a ferromagnetic cylinder, a plastic air faucet, an electrical coil module and a spring. The plastic air faucet has a first end extending through a through hole of the outer frame and a second opposite end extending through a hollow channel of the ferromagnetic cylinder. The electrical coil module is located within the outer frame and has a central passage allowing the ferromagnetic cylinder to be accommodated inside. The ferromagnetic stopper is slidable along the central passage of the electrical coil module, wherein the ferromagnetic stopper has a seal gasket. The spring is located between the air faucet and the ferromagnetic stopper. When the electrical coil module is electrified, the ferromagnetic stopper and the ferromagnetic cylinder attract each other to against the resilient force of the spring to push the seal gasket against the air opening of the air faucet.
Disclosed is a fluid-guiding device capable of controlling air flow for a micro pump, which device comprises an upper cover body (10), a lower cover body (20), air-inlet valves (30) and air-outlet valves (40). The upper cover body and the lower cover body are fixed together hermetically and constitute an air-inlet chamber (50) and an air-outlet chamber (60) independent from each other; the upper cover body is provided with an air-inlet nozzle (11) and an air-outlet nozzle (12) which are in communication with the air-inlet chamber and the air-outlet chamber respectively; the lower cover body is provided with a plurality of air-inlet openings (21) and a plurality of air-outlet openings (22), with upper end openings of the air-inlet openings being in communication with the air-inlet chamber and upper end openings of the air-outlet openings being in communication with the air-outlet chamber. The air-inlet valves are connected at the air-inlet openings respectively. The air-outlet valves are provided between the upper cover body and the lower cover body and comprise a sealing piece (42), in which a plurality of through-grooves (44) are provided, wherein portions on the periphery of the grooves constitute suspending pieces (41) with elasticity, and each of the suspending pieces covers and seals the upper end opening of each of the air-outlet openings respectively. The fluid-guiding device has the advantages of good sealing performance and avoidance of air circumfluence.
F04B 45/04 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
Provided is an electromagnetic linear valve that includes a main valve body having an upper valve body and a lower valve body. The upper valve body and the lower valve body are connected together by ultrasonic welding. The lower valve body comprises a frame. The electromagnetic linear valve includes a spring leaf and a movable element. An electromagnetic unit drives the movable element in the valve body, and the electromagnetic unit includes a steel casing that is fixed to the frame. A baffle divides the valve body into upper and lower valve chambers. The upper valve chamber has an inlet vent and an outlet vent. A through hole is formed in the baffle to connect the upper and lower valve chambers. The movable element has a valve plug blocking the through hole on the baffle.
An electromagnetic linear valve has a valve body (1), a movable element (2), and an electromagnetic unit (3) and a spring leaf (4) which can drive the movable element (2) to move in the valve body (1), and the valve body is divided into two valve chambers (101,102) by a baffle (13), and there is a through hole (130) for communicating two valve chambers on the baffle (13), and two valve chambers have an air inlet vent (121) and an exhaust vent (122) respectively, and the movable element (2) is equipped with a valve plug (5) for blocking the through hole (130) on the baffle (13), and the valve body (1) includes an upper valve body (12) and a lower valve body (11), and the upper valve body (12) and the lower valve body (11) are connected together by ultrasonic welding. The upper valve body and the lower valve body are connected in a tight and steady manner by ultrasonic welding, and the damage of other parts caused by rotating a bolt is also avoided in an assembling process.
patents
