CN101839237A - Convolute-hydrodynamic mechanics - Google Patents

Convolute-hydrodynamic mechanics Download PDF

Info

Publication number
CN101839237A
CN101839237A CN201010138633A CN201010138633A CN101839237A CN 101839237 A CN101839237 A CN 101839237A CN 201010138633 A CN201010138633 A CN 201010138633A CN 201010138633 A CN201010138633 A CN 201010138633A CN 101839237 A CN101839237 A CN 101839237A
Authority
CN
China
Prior art keywords
around
scroll
convolute
thrust
follower
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201010138633A
Other languages
Chinese (zh)
Inventor
佐藤和昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anest Iwata Corp
Original Assignee
Anest Iwata Corp
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 Anest Iwata Corp filed Critical Anest Iwata Corp
Publication of CN101839237A publication Critical patent/CN101839237A/en
Pending legal-status Critical Current

Links

Images

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
    • F04C18/0215—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 only one member is moving
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/005—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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/52—Bearings for assemblies with supports on both sides

Landscapes

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

Abstract

The invention provides a kind of convolute-hydrodynamic mechanics, it comprises: housing; Two fixed scroll, each fixed scroll are fixed in each side of housing; The annular transmission part, it is connected in motor; Follower, it is wound with transmission part; Thrust-canceling shaft, it is arranged on the position that is eccentric in the follower axis rotationally; Two around scroll, and each is fixed on each end of thrust-canceling shaft around scroll, and this thrust-canceling shaft rotates to constitute pressing chamber with fixed scroll; And rotation preventer, it is arranged on housing and around between the scroll.

Description

Convolute-hydrodynamic mechanics
Technical field
The present invention relates to a kind of convolute-hydrodynamic mechanics that is suitable as air compressor and vacuum pump.
Background technique
In JP2000-130365A, convolute-hydrodynamic mechanics comprises: shell, the fixed scroll that is fixed in each side of shell, the motor in the shell, be arranged at capacity eccentric bearing between motor and the fixed scroll, rotatingshaft that the rotor that utilizes motor rotates with the breast wheel of capacity eccentric bearing, with the interior wheel of capacity eccentric bearing rotate around (orbiting) axle, be fixed in threaded shaft with fixed scroll (scroll) each side form pressing chamber around scroll and be arranged on around the rotation preventer between scroll and the fixed component.
In JP2006-183561A, be supported on each end of single eccentric shaft rotationally around scroll, described single eccentric shaft is rotatably installed in the shell.Eccentric shaft is connected to motor by annular (endless) driving belt and is driven by this driving belt.
In the convolute-hydrodynamic mechanics of JP2000-130365A, be used to compress such as constructing together with the motor that is used for Driven Compressor from the compressor of fluids such as inlet inhaled air.For example, the scroll compressor of 50Hz that is set to Japanese east when used a-c cycle is when a-c cycle is set to Japan western use of 60Hz and when this compressor is used for the high other countries of the Japanese voltage of voltage ratio, and the revolution of Wechselstrommotor has increased.In order to make the compressor nonoverload, need to change the length of the closedtop that is used for the seal compression chamber and the motor that more renews.Fixed scroll, be arranged side by side around scroll, eccentric shaft, bearing and motor, to increase its length.
In the convolute-hydrodynamic mechanics of JP2006-183561A, eccentric shaft is driven by driving belt.The diameter of the drive pulley by changing motor can easily change the rotational velocity around scroll.Around being provided with the bearing that to be supported on rotationally around scroll on the eccentric shaft between scroll and the eccentric shaft end, thereby axial length is increased.This makes negative function firmly become very difficult in right and left rings around the thrust loading of scroll.
Summary of the invention
In view of these shortcomings, one object of the present invention is to provide a kind of convolute-hydrodynamic mechanics, the difference of its response a-c cycle and voltage and make and act on right and left rings and obtain effectively offsetting around the thrust of scroll.
Description of drawings
Fig. 1 is the side view according to convolute-hydrodynamic mechanics of the present invention.
Fig. 2 is the sectional arrangement drawing along the II-II line of Fig. 1.
Fig. 3 is the sectional arrangement drawing along the III-III line of Fig. 2.
Fig. 4 is the perspective view of convolute-hydrodynamic mechanics and motor, has wherein shifted out driving belt and shifted out stiffening element from follower and driving wheel from housing.
Fig. 5 is follower is connected in the convolute-hydrodynamic mechanics of driving wheel by driving belt a perspective view.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are described.
Among Fig. 1 and Fig. 3, each side at the cylinder shell 1 of convolute-hydrodynamic mechanics has the fixed scroll 2 that comprises fixed cover (wrap) 21 with a plurality of screw.Be fixed on L type leg 20,20 on the supporting element (not shown) and be fixed on the bottom of housing 1.
At the inner surface of fixed scroll 2, have spirality and mesh with the formation pressing chamber around scroll 3 and fixed cover 21, thereby rotate around first axle O1 around the spirality of covering 31.
The right side is arranged at the inboard of housing 1 around scroll 2, and three known pin-crank-type rotation preventers 30 are arranged at intervals on the circle with hexagonal angle.Only illustrate a rotation preventer among Fig. 3.In the present embodiment, right and left rings is fixed in the two ends, the left and right sides of thrust-canceling shaft 10 around scroll 3,3.Thereby pin-crank-type rotation preventer 30 can only be located at the right side around on the scroll 3, make a left side around scroll 3 around (orbit).
Among the cylindric lid 1a at housing 1 middle part, between around scroll 3,3, supporting the cylindric follower 5 that is wound with driving belt 6 rotationally.
Follower 5 comprises cylindric axial part 51 and drive pulley portion 52, and cylindric axial part 51 is pivotally mounted among bearing hole 1b, the 1b of housing 1 by ball bearing 4,4; Drive pulley portion 52 is fixed on cylindric axial part 51 peripheries.Driving belt 6 is wrapped on drive pulley portion 52 peripheries.Follower 52 is pivotally mounted in the housing to rotate around first axle O1.
Driving belt 6 is wrapped on follower 5 and the driving wheel 8, and driving wheel 8 is arranged on the output shaft of exterior motor 7.The rotation of exterior motor 7 reaches follower 5 by driving wheel 8 and driving belt 6.Follower 5 rotates around first axle O1.
Follower 5 comprises and is used to make around the level and smooth counterweight 53 of the rotation of scroll 3.Counterweight 53 is than the heavier and wideer parts of miscellaneous part that comprise cylindric axial part 51 and drive pulley 52.
In the through hole 54 of the axial part 51 of follower 5, be supported with thrust-canceling shaft 10 rotationally by roller bearing 9.Thrust-canceling shaft 10 rotates around second axes O 2, and described second axes O 2 radially deviates from the axes O 1 of follower 5.Along with the rotation of follower 5, thrust-canceling shaft 10 rotates around second axes O 2.
Be arranged in the boss 32,32 of right and left rings and be fixed in the end of giving prominence to, to rotate with thrust-canceling shaft 10 from the left and right sides roller bearing 9,9 of thrust-canceling shaft 10 around scroll 3,3 centers.Thereby, act on right and left rings and offset by thrust-canceling shaft 10 around the reaction thrust load of scroll 3,3.
When follower 5 along with the running of driving belt 6 when first axle O1 rotates, thrust-canceling shaft 10 is with rotating around second axes O 2 around scroll 3,3.When right and left rings when scroll 3,3 is rotated, by fixed cover 21,21 and around the volume of cover 31,31 pressing chambers that limit from outside circumferential center reduce gradually.The outside air that is sucked by the inlet 22,22 of fixed scroll 2,2 peripheries is gradually to the center compression, and discharges from the outlet 23,23 at fixed scroll 2,2 centers.In compression process, will act on the thrust loading of right and left rings on scroll 3,3 by thrust-canceling shaft 10 and offset, thereby guarantee the level and smooth rotation of right and left rings around scroll 3 to the outside air that sucks.
At the top of the lid 1a of housing 1 or the opposite side of leg 20, be formed with opening 1c, driving belt 6 is wrapped on the follower 5 from the outside of housing 1 by opening 1c.In Fig. 2,, be formed with the link 1e that connects left and right sides fixed scroll 2,2 in the bottom that does not have opening of lid 1a.In the end of the link of facing the driving belt internal surface, be formed with relief 1d, the 1d of close driving belt 6 with the rotation direction that is basically parallel to driving belt 6.
By in Fig. 4, on housing 1, forming upper shed 1c, from housing 1, shift out unique stiffening element 12 (describing after a while), thereby be convenient to shift out driving belt 6 by follower 5, driving belt 6 is changed efficiently and checked by opening 1c.Opening 1c is formed at the opposite side of leg 20.Thereby leg 20 can not hinder the replacing of driving belt 6.Although leg 20 still is fixed on the supporting element, yet can be replaced by driving belt 6 new.Each end of link 1e is provided with relief 1d, is used to avoid driving belt 6 to contact with lid 1a, and the area of opening 1c is remained on minimum state.In addition, the relief 1d of link 1e is near the internal surface of driving belt 6.Thereby between driving belt 6 on-stream periods, link 1e is by the air turbulence cooling that produces around the driving belt 6, and lid 1a and left and right sides housing can be cooled off by lid 1a.
On the top of the lid 1a of housing 1 or the opposite side of the link 1e around axes O 1, removably be fixed with tabular stiffening element 12 with a plurality of screws 11, to cover opening 1c.Between the convolute-hydrodynamic mechanics on-stream period, when being applied to housing 1 like that as shown by arrow A when loading by the outside power that acts on left and right sides fixed scroll 2,2, stiffening element 12 can prevent that the distortion of housing 1 from enlarge opening 1c, thereby guarantee fixed cover 21,21 with around the secure engagement of covering 31,31, reduce the wearing and tearing of sliding parts, avoid the reduction of compression efficiency.Stiffening element 12 can be removably installed in housing 1 by screw 11, thereby is convenient to the replacing and the inspection of driving belt 6.
In the present embodiment, stiffening element 12 comprises flat board.On behalf of substituting, stiffening element 12 can be crooked, to cover the whole area of opening 1c.If stiffening element 12 is crooked, can in stiffening element 12, be formed with a plurality of radiation holes.
In the present embodiment, provide annular driving band 6.Can use chain to substitute driving belt.

Claims (6)

1. convolute-hydrodynamic mechanics, it comprises:
Housing;
Two fixed scroll, each described fixed scroll is fixed in each side of described housing and has fixed cover;
The annular transmission part, it is connected to exterior motor;
Cylindric follower, it is arranged between described two fixed scroll of described enclosure interior, and relies on described motor to rotate around first axle by described transmission part;
Thrust-canceling shaft, it is around second rotational of the first axle that departs from described follower;
Two around scroll, each has around cover around scroll, and with rotating to acting on described two described thrust-canceling shafts of offsetting around the thrust of scroll, described thrust-canceling shaft rotates along with the rotation of described follower, with intermeshing described fixed cover and described around the cover between form pressing chamber; And
Rotation preventer, it is arranged at described housing and described around between the scroll, when described thrust-canceling shaft rotates, described rotation preventer stop described rotate on described second axis around scroll in, make described around scroll around.
2. convolute-hydrodynamic mechanics according to claim 1 also comprises the bearing that is used for supporting rotationally at described follower described thrust-canceling shaft.
3. convolute-hydrodynamic mechanics according to claim 1 is characterized in that, the lid of periphery that is used for covering the described follower of described housing has opening, and this opening makes described transmission part to be wound on the described follower from described outside.
4. convolute-hydrodynamic mechanics according to claim 3 is characterized in that, the part that does not have an opening of described lid is with the link that connects described two fixed scroll, near and the internal surface that is parallel to described transmission part be formed with relief.
5. convolute-hydrodynamic mechanics according to claim 3 is characterized in that, is provided with stiffening element to cover described opening in the lid of described housing.
6. convolute-hydrodynamic mechanics according to claim 3 is characterized in that described transmission part comprises driving belt.
CN201010138633A 2009-03-19 2010-03-16 Convolute-hydrodynamic mechanics Pending CN101839237A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009-067285 2009-03-19
JP2009067285A JP2010216444A (en) 2009-03-19 2009-03-19 Scroll fluid machine

Publications (1)

Publication Number Publication Date
CN101839237A true CN101839237A (en) 2010-09-22

Family

ID=42737818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010138633A Pending CN101839237A (en) 2009-03-19 2010-03-16 Convolute-hydrodynamic mechanics

Country Status (4)

Country Link
US (1) US20100239443A1 (en)
JP (1) JP2010216444A (en)
KR (1) KR20100105474A (en)
CN (1) CN101839237A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806520A (en) * 2014-01-24 2015-07-29 艾默生环境优化技术(苏州)有限公司 Scroll compression assembly, scroll compressor and fixed scroll and movable scroll

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6113410B2 (en) * 2012-02-01 2017-04-12 アネスト岩田株式会社 Scroll type fluid machine
JP6208490B2 (en) * 2013-08-06 2017-10-04 有限会社スクロール技研 Twin scroll fluid machine
CN104373544B (en) * 2014-11-15 2016-10-05 南通市巨力弹簧吊架有限公司 The gear unit of fluid handling device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4319274B2 (en) * 1998-10-30 2009-08-26 株式会社日立製作所 Scroll type fluid machine
JP2004116471A (en) * 2002-09-27 2004-04-15 Tokico Ltd Scroll type fluid machine
US20040086407A1 (en) * 2002-11-04 2004-05-06 Enjiu Ke Scroll type of fluid machinery
JP4584699B2 (en) * 2004-12-17 2010-11-24 アネスト岩田株式会社 Double wrap scroll fluid machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104806520A (en) * 2014-01-24 2015-07-29 艾默生环境优化技术(苏州)有限公司 Scroll compression assembly, scroll compressor and fixed scroll and movable scroll
CN104806520B (en) * 2014-01-24 2017-04-19 艾默生环境优化技术(苏州)有限公司 Scroll compression assembly, scroll compressor and fixed scroll and movable scroll

Also Published As

Publication number Publication date
JP2010216444A (en) 2010-09-30
KR20100105474A (en) 2010-09-29
US20100239443A1 (en) 2010-09-23

Similar Documents

Publication Publication Date Title
US5098265A (en) Oil-free scroll fluid machine with projecting orbiting bearing boss
US9377022B2 (en) Radially compliant scroll compressor
JP4339607B2 (en) Friction loss reducing device for scroll compressor
CN101839237A (en) Convolute-hydrodynamic mechanics
US6341951B1 (en) Combination double screw rotor assembly
JP2007023776A (en) Scroll fluid machine
US7445437B1 (en) Scroll type fluid machine having a first scroll wrap unit with a scroll member and a scroll receiving member, and a second scroll wrap unit engaged with the first scroll wrap unit
EP1674730B1 (en) Double-wrap scroll fluid machine
US6988876B2 (en) Scroll type fluid machinery
US6508639B2 (en) Combination double screw rotor assembly
JP2004239099A (en) Rotary compressor
CH708632B1 (en) Volumetric gear pump.
JP2014101791A (en) Scroll fluid machine
CN111271285A (en) Oil-free scroll compressor
KR100732841B1 (en) Scroll fluid machine
JP5148656B2 (en) Rotating machine
JPS60182382A (en) Scroll compressor
CN212508821U (en) Oil-free scroll compressor
JP2024148919A (en) Twin scroll fluid machinery
JP2003301786A (en) Scroll type fluid machine
JP2014088775A (en) Scroll fluid machine
US20240337260A1 (en) Twin-type scroll fluid machine
JP2004324616A (en) Scroll type fluid machine
JP6208490B2 (en) Twin scroll fluid machine
JP2003314473A (en) Scroll type fluid machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20100922