WO2012141125A1 - Pompe électromagnétique à membranes oscillantes - Google Patents

Pompe électromagnétique à membranes oscillantes Download PDF

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Publication number
WO2012141125A1
WO2012141125A1 PCT/JP2012/059647 JP2012059647W WO2012141125A1 WO 2012141125 A1 WO2012141125 A1 WO 2012141125A1 JP 2012059647 W JP2012059647 W JP 2012059647W WO 2012141125 A1 WO2012141125 A1 WO 2012141125A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaphragm
support member
vibrator
electromagnetic vibration
vibration type
Prior art date
Application number
PCT/JP2012/059647
Other languages
English (en)
Japanese (ja)
Inventor
石井　英樹
剛 高道
Original Assignee
株式会社テクノ高槻
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社テクノ高槻 filed Critical 株式会社テクノ高槻
Priority to EP12771844.3A priority Critical patent/EP2634429B1/fr
Priority to KR1020137027017A priority patent/KR20140011381A/ko
Priority to DK12771844.3T priority patent/DK2634429T3/en
Priority to US14/009,765 priority patent/US20140023532A1/en
Publication of WO2012141125A1 publication Critical patent/WO2012141125A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/025—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel
    • F04B43/026—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms two or more plate-like pumping members in parallel each plate-like pumping flexible member working in its own pumping chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
    • F04B17/044—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow using solenoids directly actuating the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/043—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms two or more plate-like pumping flexible members in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2280/00—Materials; Properties thereof
    • F05B2280/40—Organic materials
    • F05B2280/4003—Synthetic polymers, e.g. plastics

Definitions

  • the present invention relates to an electromagnetic vibration type diaphragm used for aeration in a household washing tank, oxygen supplementation in a fish tank, air bubble in a bubble bath, and other applied equipment. More specifically, the present invention relates to an electromagnetic vibration type diaphragm pump having a structure in which a fluid does not leak from the outside into the pump through a fixed portion between an end portion of a vibrator and a diaphragm.
  • An electromagnetic vibration type diaphragm pump has, for example, a rubber diaphragm fixed at both ends of a vibrator to which a magnet is fixed, and an electromagnet provided so as to face the magnet of the vibrator. Surrounded by a frame, the outside of the diaphragm is configured by being covered with a pump casing.
  • the vibrator vibrates in accordance with the change in the polarity of the electromagnet that changes with the change in the phase of the AC power source applied to the electromagnet, so that the diaphragm vibrates and repeatedly sucks and discharges fluid such as air.
  • FIG. 7 The vibrator and the diaphragm are fixed, for example, as shown in FIG.
  • reference numeral 103 denotes a vibrator
  • attachment screw portions 103c are fixed to both ends of a support member 103b to which a permanent magnet 103a is fixed.
  • the diaphragm 104 made of a rubber member or the like is provided with a through hole at the center thereof, and an electromagnet side (hereinafter simply referred to as “inner side”) center plate 107b in which a protruding portion that fits into the through hole is formed.
  • a pump casing side (hereinafter simply referred to as the outside) center plate 107a which is the opposite side of the electromagnet.
  • the outer and inner center plates 107a and 107b are made of a metal plate or plastic, and are firmly fixed to the vibrator 103 against vibration.
  • a pump casing is provided outside the diaphragm 104.
  • the pump casing includes a compression chamber in contact with the diaphragm, a suction chamber provided via the compression chamber and a suction valve, It consists of a compression chamber and a discharge chamber provided via a discharge valve.
  • the structure in which the mounting screw portion 103c of the vibrator 103 is inserted into the through holes 110 of the outer and inner center plates 107a and 107b and fixed with the nut 106 as described above is very simple and preferable, but the mounting screw portion There is a case where a gap is formed between the center hole 103c and the through holes 110 of the outer and inner center plates 107a and 107b.
  • the end of the support member 103b and the inner center plate 107b A gap may also be formed between the two. Therefore, there is a problem that a fluid such as air sucked into the compression chamber leaks to the vibrator 103 side where an electromagnet or the like is disposed, as indicated by arrows a1 and a2 in FIG.
  • the amount of fluid discharged from the compression chamber becomes smaller than the amount of fluid sucked into the compression chamber, and the utilization rate of fluid such as air sucked into the compression chamber is reduced. It is not preferable.
  • a dangerous gas such as hydrogen such as a hydrogen circulation pump is discharged by the pump. It is dangerous to leak such gas to the electromagnet side, and there is also a problem that when the liquid flows into the electromagnet side, an electric system such as an electromagnet coil is short-circuited because the liquid may be sucked and discharged. .
  • the problem of fluid leakage of the electromagnetic vibration type pump is not limited to between the vibrator 103 and the outer and inner center plates 107a and 107b.
  • the outer peripheral end 104a of the diaphragm 104 is sandwiched between a diaphragm base 108 and a partition wall 109a constituting a compression chamber (not shown) of the pump casing 109.
  • the outer peripheral end portion 104a of the diaphragm 104 and the partition wall 109a of the compression chamber (not shown) of the pump casing 109 are assembled only by application.
  • the fluid sucked into the compression chamber (not shown) of the pump passes through the gap between the flange 104a of the diaphragm 104 and the partition wall 109a of the pump casing 109 to the outside of the pump casing 109 through the order indicated by arrows b1 to b3.
  • the amount of fluid discharged from the compression chamber becomes smaller than the amount of fluid sucked into the compression chamber, thereby lowering the pump performance.
  • the present invention has been made in view of the above circumstances, and a fluid such as air vibrates while maintaining the gap between the vibrator and the electromagnet constant between products and stabilizing the pump performance between products.
  • Electromagnetic vibration that prevents leakage to the child side, improves pump efficiency, and does not cause damage to parts or harm to the human body when sucking or discharging dangerous gas such as liquid or hydrogen It aims at providing a type
  • Another object of the present invention is to improve pump efficiency by preventing leakage of air from the contact surface between the pump casing and the diaphragm.
  • the electromagnetic vibration type diaphragm pump of the present invention is a vibration in which two magnets are provided on at least one surface side of a support member made of a flat non-magnetic material, and mounting screw portions are fixed to both ends of the central axis of the support member.
  • the diaphragm is fixed to the outer periphery of each of a child, a disk-shaped diaphragm fixed to attachment screw portions at both ends of the support member, an electromagnet provided to face the magnet, and a diaphragm provided at the both ends.
  • a pump casing covering the outside of each of the diaphragms, and sandwiching the diaphragm by an inner center plate provided on the magnet side of the diaphragm and an outer center plate provided on the opposite side to the magnet side of the diaphragm,
  • the end of the vibrator is inserted into the through hole provided in the center of the inner and outer center plates.
  • Protrusions that hold the side surfaces of both ends of the support member constituting the vibrator are formed on the face of the inner center plate on the vibrator side, and are formed in a structure for positioning the support member.
  • the term “side surface” is intended to include the side surface in the thickness direction of the flat plate-shaped support member as well as the end side of the flat portion of the flat plate-shaped support member.
  • the pump casing includes a compression chamber in contact with the diaphragm, a discharge chamber connected to the compression chamber via a discharge valve, and a suction chamber connected to the compression chamber via a suction valve. It is preferable that a rib for biting into the diaphragm is formed on a joint surface of the chamber partition wall with the diaphragm.
  • a cylindrical protrusion is provided at the center of the inner center plate on the vibrator side, and a concave groove that can be fitted to the protrusion is formed at the end of the support member of the vibrator.
  • the protrusion and the groove are hermetically sealed through a ring-shaped elastic member. Therefore, a groove is formed in advance on the outer periphery of the portion where the mounting screw portions at both ends of the support member of the vibrator are fixed, and an O-ring or the like is inserted into the groove so that the inside center plate has a through hole.
  • this seal is a seal due to the adhesiveness in the radial direction between the concave groove formed in the support member of the vibrator, the ring-shaped elastic member fitted into the concave groove, and the cylindrical protrusion, Regardless of its elasticity, it does not affect the dimensions between components, such as the gap between the vibrator and the electromagnet, so that the performance of the pump can be stabilized between products.
  • the diaphragm is not damaged because it has an absorption capacity for such a large external force.
  • the amount of fluid discharged from the compression chamber does not become smaller than the amount of fluid sucked into the compression chamber, and as a result, it is possible to prevent the pump performance from deteriorating. it can. Further, when the fluid is a liquid, it is possible to prevent a pump failure due to the fluid entering the vibrator side and shorting the winding of the electromagnet.
  • the vibrator is prevented from rotating with respect to the inner center plate,
  • the support member can be easily positioned and the pump can be operated stably.
  • the protrusion on the inner center plate serves as a guide when the mounting screw portion of the vibrator is inserted into the through hole formed in the center plate, so that the assembly work between the support member of the vibrator and the inner center plate is easy.
  • the fluid sucked into the compression chamber leaks out from the gap generated at the joint between the diaphragm and the pump casing.
  • a situation in which the amount of fluid discharged from the compression chamber is smaller than the amount of fluid sucked into the compression chamber does not occur. As a result, it is possible to prevent the pump performance from deteriorating.
  • FIG. 2 is a schematic explanatory view of an electromagnet and a vibrator portion of the electromagnetic vibration type diaphragm pump shown in FIG. 1.
  • FIG. 2 is an explanatory cross-sectional view showing a mounting portion between the diaphragm and the vibrator in FIG. 1.
  • It is a side view of the inner center plate side end portion of the vibrator.
  • It is the front view which looked at the inner side center plate from the vibrator side.
  • FIG. 1 is a cross-sectional explanatory view of the electromagnetic vibration type diaphragm pump according to the first embodiment of the present invention
  • FIG. 2 is a schematic explanatory view of an electromagnet and a vibrator portion of the electromagnetic vibration type diaphragm pump shown in FIG. .
  • this electromagnetic vibration type diaphragm pump 1 (hereinafter abbreviated as “pump”) is provided with two magnets (permanent magnets) 2b1 and 2b2 on a support member 2a made of a flat non-magnetic material.
  • the vibrator 2 having mounting screw portions 2c fixed to both ends of the central axis of the support member 2a, the disk-shaped diaphragm 3 fixed to the mounting screw portions 2c at both ends of the support member 2a of the vibrator 2, and the magnet 2b1 2b2 and electromagnets 4a and 4b provided opposite to each other, and a pump casing 5 which is fixed to the outer periphery of the diaphragm 3 and covers the outer side of the diaphragm 3.
  • the support member 2a is formed by resin molding or the like
  • the mounting screw portion 2c is closely attached and fixed by being integrally formed with the resin of the support member 2a.
  • the support member 2a and the diaphragm 3 of the vibrator 2 are made up of a diaphragm by an inner center plate 6b provided on the magnet 2b1, 2b2 side of the diaphragm 3 and an outer center plate 6a provided on the opposite side to the magnets 2b1, 2b2 side of the diaphragm 3. 3, and a mounting screw portion 2 c fixed to the vibrator 2 is inserted into a through hole 6 c provided in the center portion of the outer and inner center plates 6 a, 6 b, and from outside through a washer 8. It is fixed by tightening with a nut 9.
  • a cylindrical protrusion 6 b 1 is formed at the center of the inner center plate 6 b on the vibrator 2 side, and the protrusion 6 b 1 of the inner center plate 6 b is formed at the end of the support member 2 a of the vibrator 2. Is formed, and the protruding portion 6b1 of the inner center plate 6b and the recessed groove 2d of the support member 2a of the vibrator 2 are hermetically sealed via an O-ring 7 as a ring-shaped elastic member. Has been.
  • the electromagnets 4a and 4b are composed of E-type electromagnet cores 4a1 and 4b1, and electromagnetic coils 4a2 and 4b2 wound around the electromagnet cores 4a1 and 4b1.
  • two magnets 2b1 and 2b2 are attached to the support member 2a of the vibrator 2, and the magnets 2b1 and 2b2 extend in the width direction of the support member 2a.
  • the magnets 2b1 and 2b2 can be flat ferrite magnets or rare earth magnets, and are magnetized.
  • the magnet 2b1 has, for example, an N pole on the electromagnet 4a side and a surface on the electromagnet 4b side.
  • the magnet 2b2 has the surface on the electromagnet 4a side as the S pole and the surface on the electromagnet 4b side as the N pole.
  • an alternating current is passed through the electromagnets 4a and 4b
  • one of the electromagnets 4a and 4b has an N pole at the center and an S pole at both sides, and the other has an S pole at the center and N poles at both sides.
  • N poles and S poles alternately change according to the change in the phase of the AC power supply, and the magnetic action with the magnets 2b1 and 2b2 provided on the support member 2a of the vibrator 2 causes a gap between the magnets 2b1 and 2b2.
  • a suction force and a repulsive force are generated, and the vibrator 2 reciprocates in the axial direction.
  • the diaphragm 3 vibrates and the pump 1 repeats suction and discharge of fluid.
  • the support member 2a is formed by resin molding
  • the magnets 2b1 and 2b2 can be firmly fixed to the support member 2a by being integrally formed with the resin of the support member 2a.
  • the diaphragm 4 can be molded from polyethylene propylene rubber (EPDM), fluorine rubber, or the like.
  • the center plates 6a and 6b can be formed of metal or plastic. Since the center portion of the diaphragm 4 is sandwiched between the outer center plate 6 a and the inner center plate 6 b, the through hole 6 c communicates from the outer center plate 6 a to the inner center plate 6 b through the diaphragm 3.
  • the pump casing 5 is divided into a compression chamber 5A on the diaphragm 3 side, a suction chamber 5B, and a discharge chamber 5C by a partition, and a suction chamber is provided between the compression chamber 5A and the suction chamber 5B.
  • the suction valve 5a opens and fluid flows from the suction chamber 5B.
  • the suction valve 5a is provided. Is configured to be closed.
  • a discharge valve 5b is provided between the compression chamber 5A and the discharge chamber 5C.
  • the discharge valve 5b opens and the air in the compression chamber 5A is opened. Such fluid is discharged into the discharge chamber 5C.
  • a method of fixing the vibrator 2 with the outer and inner center plates 6a and 6b sandwiched between the central portions of the diaphragm 3 will be described with reference to FIG.
  • a cylindrical protrusion 6b1 is formed at the center of the inner center plate 6b on the vibrator 2 side.
  • the side surface 2a2 in the thickness direction of the end portion of the support member 2a (FIG. 4) so that the protrusion 6b1 is fitted around the mounting screw portion 2c.
  • An annular concave groove 2d that is interrupted at the time of reference is formed.
  • the concave groove 2d forms a cylindrical portion 2e at the center of the end of the support member 2a, and a ring groove 2e1 into which the ring-shaped elastic member 7 can be inserted on the outer periphery of the cylindrical portion 2e.
  • An O-ring 7 as a ring-shaped elastic member is attached to the ring groove 2e1, and the attachment screw portion 2c is press-fitted into the through-hole 6c communicating with the center plates 6a and 6b and the diaphragm 4 and fitted.
  • the support member 2a of the vibrator 2 and the diaphragm 3 can be fixed by tightening the tip of the mounting screw portion 2c protruding to the pump casing 5 side (right side of the drawing) with the nut 9 via the washer 8. .
  • the O-ring 7 since the O-ring 7 has a larger diameter than the cylindrical portion 2e, the O-ring 7 is also strongly pressed against the inner wall surface 6b2 of the protruding portion 6b1 of the inner center plate 6b.
  • the fluid when the fluid is a liquid, it is possible to prevent a failure of the pump 1 due to the fluid entering the vibrator 2 side and short-circuiting. Furthermore, since the O-ring 7 is pressure only in the radial direction perpendicular to the axial direction of the vibrator 2, the O-ring 7 is not affected by the tightening condition at the screwing portion of the mounting screw portion 2 c, and the eccentricity of the vibrator 2 is not affected. In other words, there is no dimensional squeezing between the members. Therefore, the performance of the pump 1 can be stabilized between products.
  • a ring groove 2e1 is formed in advance on the outer periphery of the cylindrical portion 2e of the support member 2a of the vibrator 2, and an O-ring 7 is inserted into the ring groove 2e1 and press-fitted into the through hole 6c of the inner center plate 6b.
  • the vibrator 2 and the diaphragm 3 can be assembled, so that the working efficiency when the vibrator 2 and the diaphragm 3 are assembled is not lowered.
  • the O-ring 7 has a capacity to absorb such a large external force even when an unexpected external force is applied to the vibrator 2 in the assembly stage of the vibrator 2 and the diaphragm 3. 3 is not damaged.
  • two U-shaped protrusions 6b3 and 6b4 are formed outside the cylindrical portion 6b1 of the inner center plate 6b so as to sandwich the cylindrical portion 6b1, and the support member 2a.
  • Projection portions 6b3 and 6b4 are formed so as to cover the entire outer peripheral side surface of the end portion.
  • the protrusions 6b3 and 6b4 are structured to hold the side surfaces excluding the columnar part 2e at both ends of the support member 2a of the vibrator 2.
  • the “side surface” includes a surface 2a1 in the thickness direction of the vibrator 2 and a surface 2a2 on the end side of the planar portion.
  • the pump 1 can be operated stably.
  • the protrusions 6b3 and 6b4 serve as a guide when the attachment screw portion 2c of the vibrator 2 is inserted into the through hole 6c that communicates the diaphragm 3 and the center plates 6a and 6b, and facilitates this insertion operation.
  • the diaphragm 3 is formed with a flange 3 a at the outer peripheral end, and this flange 3 a is a compression chamber 5 A of the diaphragm base 11 and the pump casing 5. And fixed with the partition wall 5A1.
  • annular rib 5A3 is integrally formed on the contact surface 5A2 of the partition wall 5A1 of the compression chamber 5A with the flange 3a of the diaphragm 3, and this annular rib 5A3 is provided as a flange 3a of the diaphragm 3.
  • the sealing performance between the partition wall 5A1 of the compression chamber 5A of the pump casing 5 and the flange 3a of the diaphragm 3 can be improved.
  • the amount of fluid sucked into the compression chamber 5A can be prevented from becoming smaller than the amount of fluid discharged from the compression chamber 5A, and the performance of the pump 1 can be prevented from deteriorating.
  • the annular rib 5A3 is provided on the partition wall 5A of the pump casing 5 as in this embodiment, the annular rib 5A3 is not affected by the deformation of the diaphragm 3 when the pump 1 is operated. Therefore, the operation state of the pump 1 can be stabilized.
  • Electromagnetic vibration type diaphragm pump Vibrator 2a Support member 2a1, 2a2 Side surface 2b1, 2b2 Magnet 2c Mounting screw part 2d Groove 2e Cylindrical part 2e1 Ring groove 3 Diaphragm 3a Flange 3a1 Contact surface 4a, 4b Electromagnet 4a1, 4b1 Electromagnetic core 4a2, 4b2 Electromagnetic coil 5 Pump casing 5A Compression chamber 5A1 Partition wall 5A2 Abutting surface 5A3 Annular rib 5B Suction chamber 5C Discharge chamber 5a Suction valve 5b Discharge valve 6a Outer center plate 6b Inner center plate 6b1 Protruding portion 6b2 Inner wall surface 6b3 Projection 6b3 Part 6c Through-hole 7 O-ring 10 Frame 11 Diaphragm base

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe électromagnétique à membranes oscillantes capable d'empêcher les fuites d'un corps fluide tel que de l'air vers le côté oscillateur. Dans un oscillateur (2), un aimant (2b2) est placé sur un élément porteur (2a) et des vis (2c) d'assemblage sont fixées à l'élément porteur (2a) sur les deux faces d'extrémités d'un arbre central de celui-ci. Des membranes (3) en forme de disques sont fixées aux vis (2c) d'assemblage aux deux extrémités de l'élément porteur (2a). Chaque membrane (3) est maintenue entre une plaque centrale intérieure (6b) et une plaque centrale extérieure (6a), et fixée en insérant la vis (2c) d'assemblage de l'oscillateur (2) dans un trou débouchant (6c) pratiqué dans les sections centrales des plaques centrales extérieure et intérieure (6a, 6b). Des parties saillantes (6b1) en forme de cylindres sont respectivement formées dans les sections centrales des plaques centrales intérieures (6b) côté oscillateur (2). Les parties saillantes (6b1) sont ajustées dans des gorges évidées (2d) réalisées sur les parties d'extrémités de l'élément porteur (2a) de l'oscillateur (2), et hermétiquement scellées au moyen d'éléments élastiques (7) en forme d'anneaux.
PCT/JP2012/059647 2011-04-15 2012-04-09 Pompe électromagnétique à membranes oscillantes WO2012141125A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12771844.3A EP2634429B1 (fr) 2011-04-15 2012-04-09 Pompe électromagnétique à membranes oscillantes
KR1020137027017A KR20140011381A (ko) 2011-04-15 2012-04-09 전자진동형 다이어프램 펌프
DK12771844.3T DK2634429T3 (en) 2011-04-15 2012-04-09 Electromagnetic vibrationsmembranpumpe
US14/009,765 US20140023532A1 (en) 2011-04-15 2012-04-09 Electromagnetic vibrating diaphragm pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-091237 2011-04-15
JP2011091237A JP2012225190A (ja) 2011-04-15 2011-04-15 電磁振動型ダイヤフラムポンプ

Publications (1)

Publication Number Publication Date
WO2012141125A1 true WO2012141125A1 (fr) 2012-10-18

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PCT/JP2012/059647 WO2012141125A1 (fr) 2011-04-15 2012-04-09 Pompe électromagnétique à membranes oscillantes

Country Status (6)

Country Link
US (1) US20140023532A1 (fr)
EP (1) EP2634429B1 (fr)
JP (1) JP2012225190A (fr)
KR (1) KR20140011381A (fr)
DK (1) DK2634429T3 (fr)
WO (1) WO2012141125A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2920463B1 (fr) * 2012-11-14 2019-07-10 Koninklijke Philips N.V. Pompe à fluide
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DK2634429T3 (en) 2016-06-27
EP2634429B1 (fr) 2016-04-06
JP2012225190A (ja) 2012-11-15
EP2634429A1 (fr) 2013-09-04
EP2634429A4 (fr) 2015-08-05
US20140023532A1 (en) 2014-01-23

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