WO2014189013A1 - 一軸偏心ねじポンプ - Google Patents
一軸偏心ねじポンプ Download PDFInfo
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- WO2014189013A1 WO2014189013A1 PCT/JP2014/063234 JP2014063234W WO2014189013A1 WO 2014189013 A1 WO2014189013 A1 WO 2014189013A1 JP 2014063234 W JP2014063234 W JP 2014063234W WO 2014189013 A1 WO2014189013 A1 WO 2014189013A1
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- WIPO (PCT)
- Prior art keywords
- power transmission
- rotation
- rotor
- revolution
- bevel gear
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0065—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions for eccentric movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
- F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/008—Prime movers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
- F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
Definitions
- the present invention relates to a uniaxial eccentric screw pump provided with a rotor drive mechanism that can revolve while rotating the rotor.
- the uniaxial eccentric screw pump disclosed in the following Patent Document 2 is provided with a rotor drive mechanism between the power source side and the rotor, thereby allowing the rotor to rotate and revolve.
- the rotor drive mechanism used in this uniaxial eccentric screw pump is a so-called planetary gear mechanism or the like.
- the uniaxial eccentric screw pump disclosed in Patent Document 3 below has a configuration in which a rotation speed control drive unit for rotating the rotor and a revolution speed control drive unit for revolving the rotor are provided separately. It is said that.
- the rotor is rotated and revolved by executing control to synchronize the operations of the motors constituting the rotation speed control drive unit and the revolution speed control drive unit.
- JP 2012-154215 Japanese Patent No. 5070515 JP 2009-047061 A
- an object of the present invention is to provide a single-shaft eccentric screw pump that has a simple and compact device configuration and can rotate and revolve the rotor without complicated operation control.
- the uniaxial eccentric screw pump of the present invention provided to solve the above-mentioned problems is a stator in which a male screw type rotor is inserted into a stator having a female screw type insertion hole, and revolves while rotating the rotor.
- a rotor driving mechanism capable of rotating the rotor, and the rotor driving mechanism rotates about a fixed central axis, thereby rotating a rotation power transmission member that rotates the rotor, and rotation of a base shaft portion of the rotor.
- a revolving track forming member that revolves the base shaft portion on a predetermined revolving track while allowing the power output from the same power source to the rotation power transmission member and the revolving track forming member in parallel.
- the rotation power transmission member and the revolution track forming member are operated while being mechanically synchronized, and the rotor is caused to revolve while rotating. It is characterized in that it.
- the uniaxial eccentric screw pump of the present invention includes a rotor drive mechanism that can revolve while rotating the rotor.
- a long rod such as a coupling rod used for connecting to a power source is provided so that the rotor can revolve while rotating in the prior art.
- the overall length can be shortened accordingly. Therefore, according to the present invention, a uniaxial eccentric screw pump having a short overall length and a compact configuration can be provided. Further, the remaining amount of the fluid remaining inside when the uniaxial eccentric screw pump is stopped can be minimized.
- the power output from the same power source is distributed in parallel and can be input to the rotation power transmission member and the revolution track forming member constituting the rotor drive mechanism. Yes.
- the rotating power transmission member and the revolving track forming member operate while being mechanically synchronized, and the rotor can revolve while rotating without any special control, and the pump function is exhibited. It can be made. Therefore, according to the uniaxial eccentric screw pump of the present invention, the operation control for driving the rotor and the device configuration can be simplified.
- the above-described single-shaft eccentric screw pump according to the present invention includes a rotation-side power transmission system in which the rotor drive mechanism is configured to transmit power from the power source to the rotation power transmission member in a single stage or multiple stages. And a revolution-side power transmission system formed so that power can be transmitted in a single stage or multiple stages from the power source toward the revolution track forming member, the rotation-side power transmission system, and the revolution It is preferable that the number of stages of the side power transmission system is the same.
- the rotor drive mechanism has an input side bevel gear connected to the rotation shaft of the power source, and a revolution side bevel gear connected to the revolution track forming member. And a rotation side bevel gear coupled to the rotation power transmission member, and the revolution side bevel gear and the rotation side bevel gear mesh with the input side bevel gear. It is desirable to do.
- the uniaxial eccentric screw pump of the present invention can revolve while rotating the rotor without performing control or the like for synchronizing the operations of the rotation power transmission member and the revolution track forming member.
- the single-shaft eccentric screw pump of the present invention described above has an outer diameter of at least one of the revolution-side bevel gear and the rotation-side bevel gear, the revolution track forming member to which the bevel gear is connected, or the rotation
- the outer diameter of the power transmission member is preferably larger.
- the base shaft portion and the rotation power transmission member are connected via a power transmission portion, and the power transmission portion allows the revolution of the base shaft portion, while It is desirable that the rotation power transmission member can be rotated by being transmitted to the base shaft portion.
- Such a configuration makes it possible to revolve while smoothly rotating the rotor.
- a single-shaft eccentric screw pump that has a short overall length and a compact configuration, and that can suppress the remaining amount of fluid remaining inside when operation is stopped to a minimum.
- the uniaxial eccentric screw pump 10 is a rotary displacement pump. As shown in FIG. 1, the uniaxial eccentric screw pump 10 includes a male screw type rotor 20 that rotates eccentrically upon receiving power, and a stator 30 having an inner peripheral surface formed into a female screw type.
- the uniaxial eccentric screw pump 10 is configured such that a pump mechanism 12, the main part of which is constituted by a rotor 20 and a stator 30, is built in a pump casing 14.
- the rotor 20 is formed so that the cross-sectional shape thereof becomes a substantially perfect circle when viewed in cross section at any position in the longitudinal direction.
- the through-hole 34 of the stator 30 is formed so that its cross-sectional shape (opening shape) is substantially oval when viewed in cross section at any position in the longitudinal direction of the stator 30.
- the rotor 20 is inserted into the through-hole 34 formed in the stator 30 described above, and can be freely rotated eccentrically inside the through-hole 34.
- An end portion on the base end side of the rotor 20 is connected to a motor 80 serving as a drive source via a rotor drive mechanism 50 described in detail later.
- the rotor driving mechanism 50 is capable of revolving (eccentric rotation) while rotating the rotor 20 by the power input from the motor 80.
- the fluid conveyance path 40 is formed so as to extend spirally in the longitudinal direction of the stator 30 and the rotor 20.
- the pump casing 14 is roughly divided into a pump mechanism housing portion 14a and a drive mechanism housing portion 14b.
- the pump mechanism accommodating portion 14 a is a cylindrical body having a cylindrical appearance, and accommodates the pump mechanism 12 having a main portion constituted by the rotor 20 and the stator 30. Further, the above-described rotor drive mechanism 50 is accommodated in the drive mechanism accommodating portion 14b.
- the rotor drive mechanism 50 is a drive mechanism that enables the rotor 20 to revolve while rotating.
- the rotor drive mechanism 50 includes a rotation power transmission member 52, a revolution track forming member 56, a gear mechanism portion 58, and a power transmission member 60 (power transmission portion).
- the rotation power transmission member 52 is a member for rotating the rotor 20 by rotating itself.
- the rotation power transmission member 52 is a shaft-like member that is supported by the bearing 53 in the drive mechanism housing portion 14b and is capable of rotation about a certain center axis C1.
- the rotation power transmission member 52 is connected to the base shaft portion 54 of the rotor 20 through the power transmission member 60 so that power can be transmitted. Therefore, when the rotation power transmission member 52 rotates, the rotor 20 can be rotated.
- the power transmission member 60 is a member that allows the rotation of the rotation power transmission member 52 to be transmitted to the base shaft portion 54 and to rotate while allowing the revolution (eccentric rotation) of the base shaft portion 54 (rotor 20).
- an Oldham joint is used as the power transmission member 60. That is, the power transmission member 60 is provided with grooves 60c and 60d perpendicular to the rotation plates 60a and 60b provided at the ends of the rotation power transmission member 52 and the base shaft portion 54, and protrusions 60e and 60b perpendicular to each other on the front and back.
- the rotation power transmission member 52 and the base shaft portion 54 are connected by interposing a disk-shaped intermediate disk 60g having 60f.
- the revolution track forming member 56 is a member for allowing the base shaft portion 54 to revolve (see arrow B in FIG. 2) on a predetermined revolution track while allowing rotation of the base shaft portion 54 of the rotor 20 (see arrow A in FIG. 2). It is. Specifically, as shown in FIG. 1, the revolution track forming member 56 is a cylindrical member that is rotatably supported by a bearing 57 in the drive mechanism housing portion 14b. The revolution trajectory forming member 56 includes an insertion hole 56a, and can support the base shaft portion 54 in the insertion hole 56a through a bearing 59 so as to be able to rotate (spin). Therefore, the base shaft portion 54 inserted through the insertion hole 56a can freely rotate.
- the insertion hole 56 a is a round hole provided at a position away from the axial center position of the revolution track forming member 56.
- the base shaft portion 54 is capable of rotating about the central axis C2 deviating from the central axis C1.
- the revolution trajectory forming member 56 as indicated by an arrow B in FIG. 2
- the base shaft portion 54 inserted through the insertion hole 56a can be guided to revolve (eccentric rotation). Accordingly, the base shaft portion 54 can revolve around the central axis C1 while rotating about the central axis C2.
- the gear mechanism 58 includes an input side bevel gear 62, a rotation side bevel gear 64, and a revolution side bevel gear 66.
- the input side bevel gear 62 is a bevel gear connected to the rotating shaft of the motor 80 that is a power source.
- the input side bevel gear 62 is installed such that the rotation axis thereof is in a direction intersecting (substantially orthogonal to the present embodiment) with respect to the rotation axes of the rotation power transmission member 52 and the revolution track forming member 56.
- the rotation side bevel gear 64 is a bevel gear that is connected to the rotation power transmission member 52 and is integrally rotatable.
- the rotation side bevel gear 64 is externally fitted to the rotation power transmission member 52. Therefore, the outer diameter of the rotation side bevel gear 64 is larger than the outer diameter of the rotation power transmission member 52.
- the rotation-side bevel gear 64 is connected so that the rotation power transmission member 52 and the rotation axis coincide.
- the revolution-side bevel gear 66 is a bevel gear that is coupled to one end side in the axial direction of the above-described revolution track forming member 56 and can rotate integrally with the revolution track forming member 56.
- the revolution side bevel gear 66 is externally fitted to the revolution track forming member 56. Therefore, the outer diameter of the revolution-side bevel gear 66 is larger than the outer diameter of the revolution track forming member 56.
- the revolution-side bevel gear 66 is connected to the revolution track forming member 56 so that the rotation axis coincides.
- the above-described rotation-side bevel gear 64 and revolution-side bevel gear 66 mesh with the input-side bevel gear 62, respectively. Therefore, when power is input to the input side bevel gear 62 as the motor 80 is driven, power is transmitted to the rotation power transmission member 52 and the revolution track forming member 56 via the rotation side bevel gear 64 and the revolution side bevel gear 66. Distributed and transmitted in parallel. That is, the rotation side power transmission system 70 that transmits power from the motor 80 toward the rotation power transmission member 52 and the revolution side power transmission system 72 that transmits power from the motor 80 toward the revolution track forming member 56 are arranged in parallel. Divided and transmitted. Further, when the input side bevel gear 62 is operated, the rotation side bevel gear 64 and the revolution side bevel gear 66 can be operated while being mechanically synchronized.
- the rotation side power transmission system 70 is a single-stage power transmission system that transmits the power transmitted from the input side bevel gear 62 to the rotation power transmission member 52 via the rotation side bevel gear 64.
- the revolution side power transmission system 72 is a single-stage power transmission system that transmits the power transmitted from the input side bevel gear 62 to the revolution track forming member 56 via the revolution side bevel gear 66. Accordingly, the rotation-side power transmission system 70 and the revolution-side power transmission system 72 have the same number of power transmission steps.
- Rotational power transmission member 52 can be rotated by transmitting the rotational power of motor 80 through rotation side power transmission system 70 described above. Thereby, the base shaft portion 54 and the rotor 20 connected to the rotation power transmission member 52 via the power transmission member 60 can be rotated. Further, by transmitting the power of the motor 80 via the revolution-side power transmission system 72, the revolution track forming member 56 can be rotated. Thereby, the base shaft part 54 (rotor 20) can be eccentrically rotated.
- the uniaxial eccentric screw pump 10 can advance the fluid conveyance path 40 in the longitudinal direction in the stator 30 by rotating the rotor 20 in the through hole 34 of the stator 30. Therefore, by rotating the rotor 20, the viscous liquid can be sucked into the fluid conveyance path 40 from one end side of the stator 30 and transferred toward the other end side of the stator 30. Further, the traveling direction of the fluid conveyance path 40 can be switched by switching the rotation direction of the rotor 20.
- the rotor driving mechanism 50 performs a characteristic operation by operating the motor 80. Specifically, when the motor 80 is operated, the input side bevel gear 62 that forms the gear mechanism 58 is rotated. Accordingly, the power is parallel to the two systems of the rotation side power transmission system 70 including the rotation side bevel gear 64 meshing with the input side bevel gear 62 and the revolution side power transmission system 72 including the revolution side bevel gear 66. Branched and transmitted. Due to the power transmitted to the rotation-side power transmission system 70 side, the rotation-side bevel gear 64 and the rotation power transmission member 52 rotate around the central axis C1. Along with this, the base shaft portion 54 (rotor 20) connected to the rotation power transmission member 52 through the power transmission member 60 rotates about the central axis C2.
- the revolution track forming member 56 rotates around the central axis C1 by the power transmitted to the revolution-side power transmission system 72 side.
- the base shaft portion 54 (rotor 20) inserted through the insertion hole 56a located away from the central axis C1 revolves (eccentrically rotates) with respect to the central axis C1. Therefore, the base shaft portion 54 (the rotor 20) performs an operation of revolving with the power transmitted from the revolution side power transmission system 72 side while rotating by the power transmitted from the rotation side power transmission system 70 side.
- the uniaxial eccentric screw pump 10 of the present embodiment has the rotor drive mechanism 50 and can revolve while rotating the rotor 20.
- the rotor drive mechanism 50 in order to permit the eccentric rotation of the rotor 20, it is not necessary to provide a long rod such as a so-called coupling rod, and the total length of the uniaxial eccentric screw pump 10 can be shortened accordingly.
- the remaining amount of the fluid remaining in the pump casing 14 when the fluid pumping operation is stopped can be suppressed by the amount that the total length of the uniaxial eccentric screw pump 10 is shortened.
- uniaxial eccentric screw pump 10 power output from the same motor 80 is distributed in parallel and can be input to the rotation power transmission member 52 and the revolution track forming member 56. Thereby, the operation
- a rotation-side power transmission system 70 for transmitting rotation power to the rotor 20 and a revolution-side power transmission for transmitting revolution power to the rotor 20.
- the system 72 is provided, the number of power transmission stages in the power transmission systems 70 and 72 is the same.
- the single-shaft eccentric screw pump 10 includes a rotation-side umbrella in which the rotor drive mechanism 50 is coupled to an input-side bevel gear 62 connected to the rotation shaft of the motor 80 and a rotation power transmission member 52.
- the revolving side bevel gear 66 is connected to the revolving track forming member 56, and the rotation side bevel gear 64 and the revolving side bevel gear 66 are engaged with the input side bevel gear 62. ing.
- each power transmission system 70 and 72 can be simplified and the structure and operation
- the power output from the motor 80 can be mechanically distributed, and the rotation power transmission member 52 and the revolution track forming member 56 can be linked reliably and smoothly. Therefore, the uniaxial eccentric screw pump 10 can revolve while rotating the rotor 20 without performing control or the like to synchronize the operations of the rotation power transmission member 52 and the revolution track forming member 56.
- the outer diameters of the rotation-side bevel gear 64 and the revolution-side bevel gear 66 are the rotation power transmission member 52 and the revolution track forming member 56 to which the bevel gears 64 and 66 are connected. It is larger than the outer diameter. Therefore, in the uniaxial eccentric screw pump 10, the torque transmission efficiency from the motor 80 side to the rotation power transmission member 52 side and the revolution track forming member 56 side is high.
- the outer diameters of the rotation side bevel gear 64 and the revolution side bevel gear 66 are made larger than the outer diameters of the rotation power transmission member 52 and the revolution track forming member 56, respectively, is illustrated. Is not limited to this. That is, the outer diameter of one or both of the rotation side bevel gear 64 and the revolution side bevel gear 66 may be equal to or less than the outer diameter of the rotation power transmission member 52 and the revolution track forming member 56.
- the base shaft portion 54 and the rotation power transmission member 52 are connected via a power transmission member 60 constituted by an Oldham joint.
- a power transmission member 60 constituted by an Oldham joint.
- the rotation of the rotation power transmission member 52 can be transmitted to the base shaft portion 54 and allowed to rotate while allowing the revolution of the base shaft portion 54.
- the base shaft portion 54 (the rotor 20) can revolve while reliably and smoothly rotating along with the power transmission from the rotation power transmission member 52.
- the uniaxial eccentric screw pump 10 is preferably configured such that when the power transmission member 60 is assembled, the motor 80 can be rotated around the central axis C ⁇ b> 1 within a predetermined angle range ⁇ .
- the motor 80 can be rotated around the central axis C ⁇ b> 1 within a predetermined angle range ⁇ .
- the power transmission member 60 may be any member as long as the base shaft portion 54 (rotor 20) can rotate and rotate smoothly eccentrically.
- the power transmission member 60 may be configured using a pin roller joint or a pin joint.
- the present invention can be applied to all uniaxial eccentric screw pumps that exhibit a pump function by revolving (eccentric rotation) while the rotor rotates, and is particularly suitable for applications that require miniaturization.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
20 ロータ
30 ステータ
50 ロータ駆動機構
52 自転動力伝達部材
54 基軸部
56 公転軌道形成部材(公転案内部)
60 動力伝達部材
62 入力側傘歯車
64 自転側傘歯車
66 公転側傘歯車
80 モータ
70 自転側動力伝達系統
72 公転側動力伝達系統
C1,C2 中心軸
Claims (5)
- 雌ねじ型の挿通孔を備えたステータに対し、雄ねじ型のロータを挿入した一軸偏心ねじポンプであって、
前記ロータを自転させつつ公転させることが可能なロータ駆動機構を備えており、
前記ロータ駆動機構が、
一定の中心軸を中心として自転することにより、前記ロータを自転させる自転動力伝達部材と、
前記ロータの基軸部の自転を許容しつつ、前記基軸部を所定の公転軌道で公転させる公転軌道形成部材とを有し、
前記自転動力伝達部材及び前記公転軌道形成部材に対して、同一の動力源から出力された動力を並列に分配して伝達することにより、前記自転動力伝達部材及び前記公転軌道形成部材を機械的に同期させつつ作動させ、前記ロータを、自転させつつ公転させることができることを特徴とする一軸偏心ねじポンプ。 - 前記ロータ駆動機構が、
前記動力源から前記自転動力伝達部材に向けて単段階又はあるいは多段階で動力伝達可能なように形成された自転側動力伝達系統と、
前記動力源から前記公転軌道形成部材に向けて単段階又はあるいは多段階で動力伝達可能なように形成された公転側動力伝達系統とを有し、
前記自転側動力伝達系統、及び前記公転側動力伝達系統の段階数が同一とされていることを特徴とする請求項1に記載の一軸偏心ねじポンプ。 - 前記ロータ駆動機構が、
前記動力源の回転軸に対して接続される入力側傘歯車と、
前記公転軌道形成部材に対して連結された公転側傘歯車と、
前記自転動力伝達部材に対して連結された自転側傘歯車とを有し、
前記入力側傘歯車に対し、前記公転側傘歯車及び前記自転側傘歯車が噛合していることを特徴とする請求項1又は2に記載の一軸偏心ねじポンプ。 - 前記公転側傘歯車、及び前記自転側傘歯車の少なくともいずれか一方の傘歯車の外径が、当該傘歯車が連結された前記公転軌道形成部材あるいは前記自転動力伝達部材の外径よりも大きいことを特徴とする請求項3に記載の一軸偏心ねじポンプ。
- 前記基軸部及び前記自転動力伝達部材が、動力伝達部を介して接続されており、
前記動力伝達部が、前記基軸部の公転を許容しつつ、前記自転動力伝達部材の回転を前記基軸部に伝達して自転させることが可能なものであることを特徴とする請求項1~4のいずれかに記載の一軸偏心ねじポンプ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112014002535.6T DE112014002535T5 (de) | 2013-05-21 | 2014-05-19 | Einachsige Exzenterschneckenpumpe |
CN201480029230.9A CN105247213B (zh) | 2013-05-21 | 2014-05-19 | 单轴偏心螺杆泵 |
US14/893,010 US9816503B2 (en) | 2013-05-21 | 2014-05-19 | Uniaxial eccentric screw pump |
KR1020157032951A KR101805285B1 (ko) | 2013-05-21 | 2014-05-19 | 1축 편심 나사 펌프 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013107250A JP6188015B2 (ja) | 2013-05-21 | 2013-05-21 | 一軸偏心ねじポンプ |
JP2013-107250 | 2013-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014189013A1 true WO2014189013A1 (ja) | 2014-11-27 |
Family
ID=51933566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/063234 WO2014189013A1 (ja) | 2013-05-21 | 2014-05-19 | 一軸偏心ねじポンプ |
Country Status (8)
Country | Link |
---|---|
US (1) | US9816503B2 (ja) |
JP (1) | JP6188015B2 (ja) |
KR (1) | KR101805285B1 (ja) |
CN (1) | CN105247213B (ja) |
DE (1) | DE112014002535T5 (ja) |
MY (1) | MY174704A (ja) |
TW (1) | TWI620871B (ja) |
WO (1) | WO2014189013A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016207247A1 (de) * | 2016-04-28 | 2017-11-02 | BSH Hausgeräte GmbH | Exzenterschneckenpumpe |
JP2022167539A (ja) * | 2021-04-23 | 2022-11-04 | 兵神装備株式会社 | 一軸偏心ねじポンプ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006123927A1 (en) * | 2005-05-20 | 2006-11-23 | Mantel, Maria | Transmission with orbital gears |
JP2008223492A (ja) * | 2007-03-08 | 2008-09-25 | Heishin Engineering & Equipment Co Ltd | ロータ駆動機構、偏心軸の軸封構造及びポンプ装置 |
US20100239446A1 (en) * | 2007-09-20 | 2010-09-23 | Agr Subsea As | progressing cavity pump with several pump sections |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA79440B (en) * | 1978-02-10 | 1980-09-24 | Oakes Ltd E T | Drive arrangement |
JPS60162088A (ja) * | 1984-01-31 | 1985-08-23 | Heishin Sobi Kk | 一軸偏心ねじポンプのロ−タ−駆動装置 |
JP3103403B2 (ja) | 1991-09-13 | 2000-10-30 | 株式会社クラレ | 生分解性付与剤 |
JP4277096B2 (ja) * | 2002-07-19 | 2009-06-10 | 兵神装備株式会社 | 一軸偏心ねじポンプ |
JP5190618B2 (ja) | 2007-08-20 | 2013-04-24 | 兵神装備株式会社 | ロータ駆動機構及びポンプ装置 |
JP5724096B2 (ja) | 2011-01-25 | 2015-05-27 | 兵神装備株式会社 | 一軸偏心ねじポンプ |
-
2013
- 2013-05-21 JP JP2013107250A patent/JP6188015B2/ja active Active
-
2014
- 2014-05-08 TW TW103116368A patent/TWI620871B/zh active
- 2014-05-19 KR KR1020157032951A patent/KR101805285B1/ko active IP Right Grant
- 2014-05-19 DE DE112014002535.6T patent/DE112014002535T5/de not_active Withdrawn
- 2014-05-19 WO PCT/JP2014/063234 patent/WO2014189013A1/ja active Application Filing
- 2014-05-19 MY MYPI2015704146A patent/MY174704A/en unknown
- 2014-05-19 CN CN201480029230.9A patent/CN105247213B/zh active Active
- 2014-05-19 US US14/893,010 patent/US9816503B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006123927A1 (en) * | 2005-05-20 | 2006-11-23 | Mantel, Maria | Transmission with orbital gears |
JP2008223492A (ja) * | 2007-03-08 | 2008-09-25 | Heishin Engineering & Equipment Co Ltd | ロータ駆動機構、偏心軸の軸封構造及びポンプ装置 |
US20100239446A1 (en) * | 2007-09-20 | 2010-09-23 | Agr Subsea As | progressing cavity pump with several pump sections |
Also Published As
Publication number | Publication date |
---|---|
CN105247213A (zh) | 2016-01-13 |
KR101805285B1 (ko) | 2017-12-05 |
KR20160003718A (ko) | 2016-01-11 |
JP6188015B2 (ja) | 2017-08-30 |
DE112014002535T5 (de) | 2016-02-25 |
CN105247213B (zh) | 2017-02-15 |
US9816503B2 (en) | 2017-11-14 |
MY174704A (en) | 2020-05-08 |
JP2014227884A (ja) | 2014-12-08 |
TW201506252A (zh) | 2015-02-16 |
TWI620871B (zh) | 2018-04-11 |
US20160102664A1 (en) | 2016-04-14 |
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