WO2008023417A1 - Structure d'accouplement oldham de machine hydraulique à vis - Google Patents

Structure d'accouplement oldham de machine hydraulique à vis Download PDF

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Publication number
WO2008023417A1
WO2008023417A1 PCT/JP2006/316549 JP2006316549W WO2008023417A1 WO 2008023417 A1 WO2008023417 A1 WO 2008023417A1 JP 2006316549 W JP2006316549 W JP 2006316549W WO 2008023417 A1 WO2008023417 A1 WO 2008023417A1
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WO
WIPO (PCT)
Prior art keywords
scroll
driven
driving
oldham
drive
Prior art date
Application number
PCT/JP2006/316549
Other languages
English (en)
Japanese (ja)
Inventor
Shinji Kawazoe
Original Assignee
Shinji Kawazoe
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 Shinji Kawazoe filed Critical Shinji Kawazoe
Priority to PCT/JP2006/316549 priority Critical patent/WO2008023417A1/fr
Publication of WO2008023417A1 publication Critical patent/WO2008023417A1/fr

Links

Classifications

    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/023—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where both members are moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
    • F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
    • F01C17/066—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling

Definitions

  • the present invention includes both end plates and a spiral wrap formed between both end plates, and is arranged between a drive scroll that is rotated by external power and between both end plates of the drive scroll to define a compression space. And, in a scroll fluid machine that is configured at least by a driven scroll that rotates in synchronism with the rotation of the drive scroll and performs a relative orbiting motion, It relates to the Oldham coupling structure.
  • Patent Document 1 a spiral wrap is provided on a driving scroll end plate and a driven scroll end plate, and they are faced together to revolve the driven scroll with respect to the driving scroll.
  • a full-scale rotary scroll fluid machine that sequentially reduces and moves a closed space from the outer peripheral side to the inner peripheral side to compress and discharge the fluid.
  • Patent Document 2 is assigned by the present applicant, and includes at least a casing, an outer peripheral block that is rotatably supported by the casing, and a driven lap force that spirally extends inward from the outer peripheral block.
  • a driven scroll unit that engages with the driven lap, a pair of end plates that sandwich and fix the driven wrap and slidably hold the driven lap, and the driven scroll unit that is eccentric with respect to the driven scroll unit.
  • a driven scroll unit that is rotatably supported and includes a drive shaft that rotates the end plate.
  • the driven scroll unit defines a compression space together with the driven scroll unit.
  • the suction port is formed in the outer peripheral block and communicates with the compression space. And a discharge nozzle formed at the drive shaft and communicating with the compression space. It discloses Lumpur fluid machine.
  • Patent Document 1 Japanese Patent Laid-Open No. 9-133087
  • Patent Document 2 Japanese Patent Laid-Open No. 2004-286025
  • Patent Document 2 by the present applicant is disclosed in claim 3 that, in a scroll fluid machine, it is disclosed in claim 3 that a coupling means for synchronizing the driven scroll unit and the drive scroll unit is provided. It is disclosed that this connecting means is a connecting mechanism arranged at a predetermined position on the contact surface between the driving scroll mute and the driven scroll unit. In this configuration, in order to further improve the compression efficiency etc., the coupling mechanism is not provided on the contact surface between the drive scroll unit and the driven scroll unit. The clearance between the drive scroll unit and the driven scroll unit is strictly manufactured. It becomes possible.
  • an object of the present invention is to provide an Oldham coupling structure of a scroll fluid machine that can reduce the size of the device itself and improve the performance. Means for solving the problem
  • the present invention includes a pair of end plates and a drive-side spiral portion formed between the pair of end plates, and is engaged with the drive scroll that rotates by external power and the drive-side spiral portion.
  • a driven scroll having a driven spiral portion defining a compression space and a scroll receiver positioned on the outside of both end plates of the driven scroll and rotatably holding the driven spiral portion; and the driven scroll is driven.
  • the Oldham coupling structure has a diameter of a side surface of the scroll receiving portion of the drive scroll.
  • the scroll fluid machine includes at least a scroll fluid machine configured to rotate with the scroll and simultaneously rotate with respect to the drive scroll.
  • a pair of driving scroll side ridges extending in the direction z-groove part and the driving scroll side side of the scroll receiver A pair of scroll receiving side ridges Z-grooves extending in a diametrical direction having a predetermined angle with the driving scroll side ridges z-grooves of the drive scroll side ridges Z-grooves are slidably engaged with each other.
  • the drive side groove portion Z crest portion is provided on one surface thereof, and the Oldham receiving side groove portion Z crest portion, on which the scroll receiving side crest portion Z groove portion is slidably engaged, is provided on the other surface. It is to be constituted by Redham Ring.
  • the rotational force of the driving scroll The driven scroll is reliably driven via the Oldham ring arranged between the scroll receiver that rotatably holds the driven scroll and the outer surface of the end plate of the driving scroll.
  • the driven scroll surely makes a turning motion with respect to the driving scroll, the rotational balance of the driving scroll and the driven scroll becomes good, and high-speed rotation is possible. As a result, the discharge amount can be increased and the discharge amount can be changed by the rotation control.
  • the Oldham ring is disposed between the scroll receiver that rotatably holds the driven scroll and the outer surface of the end plate of the drive scroll, the clearance of the compression space can be formed precisely. The compression efficiency can be improved.
  • FIG. 1 is a schematic configuration diagram of a scroll fluid machine according to the present invention.
  • FIG. 2 is an exploded perspective view showing an Oldham coupling structure.
  • FIG. 3 is a plan view of an end plate of the scroll fluid machine of the present invention.
  • FIG. 4 is a plan view of a scroll receiving end surface of the scroll fluid machine of the present invention.
  • FIG. 5 is a perspective view of an Oldham ring.
  • a scroll fluid machine 1 includes, for example, a drive shaft 3 that is rotated by external power such as an electric motor 2 and the like, and the drive shaft 3 is rotatably held and a housing space 4 is defined therein. At least a driving scroll 6 disposed in the housing space 4, a driven scroll 7, and an Oldham ring 9 for rotating the driven scroll 7 relative to the driving scroll 6. To do.
  • the drive scroll 6 includes a first end plate 61 fixed to the drive shaft 3, a second end plate 62 facing the end plate 61, and the first end plate 61 or the second end plate 61.
  • One end plate 62 (in this embodiment, the first end plate 61) is formed integrally with the first end plate 61 or the other of the second end plates 62 (in this embodiment, the second end plate 61).
  • a drive-side spiral 63 that meshes with a spiral groove formed in the plate 62).
  • the second end plate 62 is rotatably held by the housing 5 via a rotating shaft 30 formed through the discharge port 31.
  • the central axis of the drive shaft 3 and the rotary shaft 30 is concentric.
  • the driven scroll 7 is a first driven scroll receiver that is eccentrically held by a predetermined value with respect to the central axis of the drive shaft 3 outside the first end plate 61 and is rotatably held in the housing 5. 71 and an outer side of the second end plate 62 which is eccentric by a predetermined value with respect to the central axis of the rotary shaft 30 and is concentric with the first scroll receiver 71, and is held by the housing 5 in a self-rotating manner.
  • the outer peripheral edge is fixedly held by the second driven scroll receiver 72 and the first and second driven scroll receivers 71, 72, and the compressed space 8 is engaged with the driving side swirl 63 of the driving scroll.
  • a driven spiral portion 73 that defines As a result, the driven scroll 7 rotates eccentrically with respect to the drive scroll 6.
  • the Oldham coupling structure according to the present invention including the Oldham ring 9 transmits the rotation of the driving scroll 6 to the driven scroll 7 as shown in, for example, FIG. 6, and the compression space 8 is moved from the outer peripheral direction toward the central direction to reduce its volume, and from the outer peripheral space 81 through the suction port 51 formed on the outer peripheral surface of the housing 5. Captured gas or liquid Is compressed and discharged from the discharge port 31.
  • the Oldham coupling structure according to the present invention has one or both of the first and Z of the drive scroll 6 or the second end plates 61 and 62 as shown in FIGS. 2 and 3 (in this embodiment).
  • Has a drive-side groove portion 92 that slidably engages in the diameter direction, and the driven-side mountain portion 7 is provided on the driven scroll receiving side surface 93. 5 is constituted by an old ring 9 having a driven side groove portion 94 slidably engaged in the diameter direction.
  • the driving side peak portion 65 and the driven side peak portion 75 are arranged with a predetermined angle, and it is particularly desirable that they are arranged at a right angle.
  • the driving side groove portion 92 and the driven side groove portion 94 corresponding to the driving side peak portion 65 and the driven side peak portion 75 are similarly arranged at a predetermined angle corresponding to each peak portion. It is desirable to arrange them at right angles.
  • the rotation of the driving scroll 6 is reliably transmitted to the driven scroll receivers 71 and 72 via the Oldham ring 9 and the rotational deviation due to the eccentricity of the driving scroll 6 and the driven scroll 7 is achieved.
  • the scroll fluid machine having the above configuration can be used as an air pump because air can be compressed and discharged by opening the suction port to the outside air.
  • it can be used as a water blower for a water droplet scattering system.
  • a piping facility at the suction port it can be used as an oil pump, a water pump, or a vacuum pump for sucking and discharging liquid or the like.
  • the rotation balance is good, it can cope with a sudden change in the rotation speed and can respond to a sudden change demand of the sudden discharge capacity. Therefore, it can be used for a turbo mechanism such as an internal combustion engine. It is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

La présente invention concerne une structure d'accouplement Oldham d'une machine hydraulique à vis qui peut miniaturiser l'appareil lui-même tout en améliorant ses performances. Dans une machine hydraulique à vis (1) comprenant une vis d'entraînement (6) équipée d'une paire de plaques d'extrémité (61, 62) et une section de volute côté entraînement (63) et tournée par une puissance externe, une vis entraînée (7) équipée d'une section de volute côté entraîné (73) et des récepteurs de vis (71, 72), et une structure d'accouplement Oldham pour faire tourner la vis entraînée (7) conjointement à la vis d'entraînement (6) et faire en sorte que la vis entraînée (7) réalise une opération de rotation par rapport à la vis d'entraînement (6) en même temps, la structure d'accouplement Oldham est constituée de la partie de crête de vis côté entraînement (65) des plaques d'extrémité (61, 62), la crête côté récepteur de vis (75) des récepteurs de vis (71, 72), et un anneau Oldham (9) possédant une rainure côté entraînement Oldham (92) et une rainure côté récepteur Oldham (94).
PCT/JP2006/316549 2006-08-24 2006-08-24 Structure d'accouplement oldham de machine hydraulique à vis WO2008023417A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/316549 WO2008023417A1 (fr) 2006-08-24 2006-08-24 Structure d'accouplement oldham de machine hydraulique à vis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/316549 WO2008023417A1 (fr) 2006-08-24 2006-08-24 Structure d'accouplement oldham de machine hydraulique à vis

Publications (1)

Publication Number Publication Date
WO2008023417A1 true WO2008023417A1 (fr) 2008-02-28

Family

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Family Applications (1)

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PCT/JP2006/316549 WO2008023417A1 (fr) 2006-08-24 2006-08-24 Structure d'accouplement oldham de machine hydraulique à vis

Country Status (1)

Country Link
WO (1) WO2008023417A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3054274A1 (fr) * 2016-07-25 2018-01-26 Danfoss Commercial Compressors Joint d'oldham pour un compresseur a spirales
CN108286520A (zh) * 2018-02-14 2018-07-17 宁波鲍斯能源装备股份有限公司 一种十字联轴节及涡旋压缩机
EP3613985A4 (fr) * 2017-08-25 2020-05-27 Mitsubishi Heavy Industries, Ltd. Compresseur de type à double spirale rotative
CN111684159A (zh) * 2018-02-05 2020-09-18 三菱重工业株式会社 双旋转涡旋型压缩机及其组装方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06341381A (ja) * 1993-06-03 1994-12-13 Daikin Ind Ltd スクロール型流体装置
JPH11132168A (ja) * 1997-10-30 1999-05-18 Nitto Kohki Co Ltd スクロール式流体機械
JP2006207406A (ja) * 2005-01-26 2006-08-10 Shinji Kawazoe スクロール流体機械

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06341381A (ja) * 1993-06-03 1994-12-13 Daikin Ind Ltd スクロール型流体装置
JPH11132168A (ja) * 1997-10-30 1999-05-18 Nitto Kohki Co Ltd スクロール式流体機械
JP2006207406A (ja) * 2005-01-26 2006-08-10 Shinji Kawazoe スクロール流体機械

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3054274A1 (fr) * 2016-07-25 2018-01-26 Danfoss Commercial Compressors Joint d'oldham pour un compresseur a spirales
US10472967B2 (en) 2016-07-25 2019-11-12 Danfoss Commercial Compressors Oldham coupling for a scroll compressor
EP3613985A4 (fr) * 2017-08-25 2020-05-27 Mitsubishi Heavy Industries, Ltd. Compresseur de type à double spirale rotative
CN111684159A (zh) * 2018-02-05 2020-09-18 三菱重工业株式会社 双旋转涡旋型压缩机及其组装方法
CN108286520A (zh) * 2018-02-14 2018-07-17 宁波鲍斯能源装备股份有限公司 一种十字联轴节及涡旋压缩机

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