CN101153593B - Liquid compressor - Google Patents

Liquid compressor Download PDF

Info

Publication number
CN101153593B
CN101153593B CN2007101542591A CN200710154259A CN101153593B CN 101153593 B CN101153593 B CN 101153593B CN 2007101542591 A CN2007101542591 A CN 2007101542591A CN 200710154259 A CN200710154259 A CN 200710154259A CN 101153593 B CN101153593 B CN 101153593B
Authority
CN
China
Prior art keywords
mentioned
frame
seal container
guide member
bearing
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.)
Expired - Fee Related
Application number
CN2007101542591A
Other languages
Chinese (zh)
Other versions
CN101153593A (en
Inventor
太田原优
三宅成志
樱井和夫
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.)
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
Hitachi Appliances Inc
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 Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Publication of CN101153593A publication Critical patent/CN101153593A/en
Application granted granted Critical
Publication of CN101153593B publication Critical patent/CN101153593B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

A fluid compressor transfers the direction of the working gas coming from the peripheral channel of the frame to the periphery by a guide element. A discharging pipe is arranged at the opposite side of the guide element, which is arranged above the weight to make the lower portion of the compressing mechanism bearing portion of the frame locate above the discharging pipe wholly. A plurality of concave step portions are formed at the periphery lower corner portion of the compressing mechanism bearing portion, extending along the periphery. The tack welding is formed at the position corresponding to the thick wall portion among the plural concave step portions to make the lower portion of the compressing mechanism bearing portion of the frame locate above the discharging pipe wholly. Thus, the invention can ensure the adequate weight function and improve the oil separation performance by a cheap construction.

Description

Fluid compression engine
Technical field
The present invention relates to a kind of fluid compression engine, particularly relate to the cooling air conditioner scroll compressor.
Background technique
As the fluid compression engine of prior art 1, has the fluid compression engine that is disclosed in Japanese kokai publication hei 8-261177 communique (patent documentation 1).This scroll compressor has compression mechanical part, motor, frame, counterweight, frame peripheral channel, guide member, reaches discharge tube; This compression mechanical part is configured in the top in the seal container, after working fluid is compressed it is discharged towards the top; The bottom of this motor configurations in seal container is by portion of turning axle drive compression mechanism; This frame has the compressing mechanism support foot of the bearing support and the supporting compression mechanical part of block bearing; This counterweight is positioned at the top of stator end coil, has the outer circumferential face of facing with seal container; This frame peripheral channel is located at the outer circumferential face of the compressing mechanism support of frame; This guide member will guide towards the below from the working fluid of frame peripheral channel; The foreign side of this discharge tube and counterweight outer circumferential face faces, and working fluid is discharged to the outside of seal container.
In addition, as the fluid compression engine of prior art 2, has the fluid compression engine that is disclosed in TOHKEMY 2005-163637 communique (patent documentation 2).This scroll compressor has compression mechanical part, motor, frame, counterweight, lid, frame peripheral channel, guide member, reaches discharge tube; This compression mechanical part is configured in the top in the seal container, after working fluid is compressed it is discharged towards the top; The bottom of this motor configurations in seal container is by portion of turning axle drive compression mechanism; This frame has the compressing mechanism support and the foot of the bearing support and the supporting compression mechanical part of block bearing; This counterweight has the outer circumferential face of the top that is positioned at the stator end coil; Around this lid covering counterweight; This frame peripheral channel is located at the compressing mechanism support of frame and the outer circumferential face of foot; This guide member makes from the working fluid of frame peripheral channel and changes towards circumferential travel direction; This discharge tube is positioned at the foreign side of counterweight outer circumferential face at the opposition side of guide member, makes working fluid be discharged to the outside of seal container.
In addition, as the fluid compression engine of prior art 3, has the fluid compression engine that is disclosed in TOHKEMY 2005-113750 communique (patent documentation 3).This scroll fluid machine has compression mechanical part, motor, frame, counterweight, lid, passage, reaches discharge tube; This compression mechanical part is configured in the top in the seal container, after working fluid is compressed it is discharged towards the top; The bottom of this motor configurations in seal container is by portion of turning axle drive compression mechanism; This frame has the compressing mechanism support and the foot of the bearing support and the supporting compression mechanical part of block bearing, is welded in seal container by this foot; This counterweight is positioned at the inboard of stator end coil; This lid covers counterweight; This passage makes working fluid flow to the lower space of frame from the discharge space; This discharge tube is above counterweight and be positioned at the circumferential side of foot, working fluid is discharged to the outside of seal container.
[patent documentation 1] Japanese kokai publication hei 8-261177 communique
[patent documentation 2] TOHKEMY 2005-163637 communique
[patent documentation 3] TOHKEMY 2005-113750 communique
In the fluid compression engine of patent documentation 1, in the face of the foreign side of counterweight outer circumferential face discharge tube is set, so, easily make the oil that splashes from counterweight or its parts nearby flow into discharge tube by the revolution of counterweight and its stirring action, the working fluid of discharging, contain many oil, have the danger that increases oily discharge capacity, reduces compressor reliability from discharge tube.
In the fluid compression engine of patent documentation 2, the counterweight lid is set, prevent that counterweight from causing oil to splash, but the counterweight lid causes cost to increase.Though make oil along Zhou Jinhang centrifugation in the seal container by the guide member that makes working fluid towards circumferential travel direction conversion, but when working fluid flows to discharge tube along the inner peripheral surface of seal container, collide with the foot of frame, oil splashes, the working fluid of discharging, contain more oil, have the danger that makes oily discharge capacity increase, reduce compressor reliability from discharge tube.
In addition, in the fluid compression engine of patent documentation 3,,, can not obtain enough counterweight functions sometimes so the diameter of counterweight diminishes because counterweight is positioned at the inboard of stator end coil.
Summary of the invention
The objective of the invention is to obtain a kind of fluid compression engine, this fluid compression engine can be guaranteed enough counterweight functions, and can improve oil by cheap construction and separate performance, and reliability is good.
In order to achieve the above object, the present invention has seal container cylindraceous, compression mechanical part, motor, bearing, frame, counterweight, pump portion, frame peripheral channel, guide member, reaches discharge tube; This compression mechanical part is configured in the top in the above-mentioned seal container, after working fluid is compressed it is discharged towards the top; The bottom of this motor configurations in above-mentioned seal container drives above-mentioned compressor structure portion by turning axle; This bearing supports above-mentioned turning axle between above-mentioned motor and above-mentioned compressor structure portion; This frame has the bearing support of the above-mentioned bearing of supporting and extends, supports the compressing mechanism support of above-mentioned compressor structure portion towards foreign side from the top of this bearing support, and the outer circumferential face of above-mentioned compressor structure support is welded in the inner peripheral surface of above-mentioned seal container at circumferential a plurality of positions; This counterweight is positioned at the top of the stator end coil of above-mentioned motor, and has the outer circumferential face in the face of the inner peripheral surface of above-mentioned seal container; This pump portion is to above-mentioned compression mechanical part and above-mentioned bearing supplying lubricating oil; This frame peripheral channel make the working fluid of discharging from above-mentioned compressor structure portion lead to above-mentioned frame the below be located at the outer circumferential face of above-mentioned frame; This guide member makes the inner peripheral surface that is arranged at above-mentioned seal container from the working fluid of above-mentioned frame peripheral channel towards circumferential travel direction with changing; This discharge tube is positioned at the opposition side of above-mentioned guide member, makes the working fluid in the space between above-mentioned frame and above-mentioned motor be discharged to the outside of above-mentioned seal container; Make above-mentioned discharge tube be positioned at the top of above-mentioned counterweight, make the following integral body of above-mentioned compressor structure support be positioned at the top of above-mentioned discharge tube, simultaneously, periphery lower corner at above-mentioned compressor structure support forms a plurality of recessed stepped part of extending along periphery, weld in the position corresponding, the tap hole of the circumferencial direction of above-mentioned guide member only is formed at the direction identical with the gyratory directions of above-mentioned turning axle with residuing in heavy section between these a plurality of recessed stepped part.
Preferred concrete configuration example of the present invention is as follows.
(1), make each heavy section that residues between above-mentioned a plurality of recessed stepped part along circumferentially evenly distributing along circumferentially above-mentioned a plurality of recessed stepped part being set equably.
(2) form a plurality of above-mentioned frame peripheral channel side by side, the circumferential position between above-mentioned a plurality of frame peripheral channel connects the bolt that above-mentioned compressor structure portion is supported on frame, with above-mentioned a plurality of frame peripheral channel above-mentioned guide member is set communicatively.
(3) form a plurality of above-mentioned frame peripheral channel side by side in the scope of 1 recessed stepped part in above-mentioned a plurality of recessed stepped part, above-mentioned guide member is set communicatively with above-mentioned a plurality of frame peripheral channel and their residing above-mentioned recessed stepped part.
(4) between the inner peripheral surface of the outer circumferential face of the end coil of said stator and above-mentioned seal container, form the circumferential tap hole of above-mentioned guide member, the inflow entrance of above-mentioned discharge tube is configured to the interior side of tap hole of the circumferencial direction of above-mentioned guide member.
According to the present invention, can obtain such fluid compression engine, this fluid compression engine can be guaranteed enough counterweight functions, simultaneously, can improve oil by cheap construction and separate performance, reliability is good.
Description of drawings
Fig. 1 is the longitudinal section of the scroll compressor of an embodiment of the present invention.
Fig. 2 is the cross-sectional view above the stator of the scroll compressor of Fig. 1.
Fig. 3 is the cross-sectional view of fixed scroll top of the scroll compressor of Fig. 1.
Fig. 4 is the perspective view of watching from the bottom surface of the frame of the scroll compressor of Fig. 1.
Fig. 5 is the perspective view of guide member of the scroll compressor of Fig. 1.
Embodiment
Below, according to Fig. 1~Fig. 5 an embodiment of the present invention is described.Fig. 1 is the longitudinal section of the scroll compressor of an embodiment of the present invention, Fig. 2 is the cross-sectional view above the stator of the scroll compressor of Fig. 1, Fig. 3 is the cross-sectional view of fixed scroll top of the scroll compressor of Fig. 1, the perspective view of Fig. 4 for watching from the bottom surface of the frame of the scroll compressor of Fig. 1, Fig. 5 is the perspective view of guide member of the scroll compressor of Fig. 1.
Scroll compressor 1 as an example of fluid compression engine is vertical scroll compressor, accommodates compression mechanical part 2 and drive portion 3 and constitute in seal container 700 cylindraceous; After 2 pairs of refrigerant gas as working fluid of this compression mechanical part compress it is discharged towards the top; This drive portion 3 drives compression mechanical part by turning axle.In this form of implementation, dispose compression mechanical part 2, drive portion 3 from the top successively, reach oil groove 730, connect compression mechanical parts 2 and drive portions 3 by turning axle 300.The substantial section of compression mechanical part 2 is fixed scroll 100 and rotation scroll 200.
Frame 400 is fixed in seal container 700, constitutes the member that rolling bearing 401 is supported.The compressing mechanism support 401b that this frame 400 has bearing support 401a that rolling bearing 401 is supported and extends, compression mechanical part 2 is supported towards foreign side from the top of this bearing support 401a.Compressing mechanism support 401b is positioned at the top of discharge tube 701, and integral body forms flat condition below it, and its outer circumferential face is at the inner peripheral surface of circumferential a plurality of positions tack welding 740 to seal container 700.
Specifically,, form a plurality of recessed stepped part 401c that extends along periphery as shown in Figure 4, implement tack welding 740 in the position corresponding with residuing in heavy section 401d between these a plurality of recessed stepped part 401c in the periphery lower corner of compressing mechanism support 401b.
Fixed scroll 100 has platen 101, scroll wrap 102, suction port 103, reaches exhaust port 104, is fixed in frame 400 by a plurality of bolts 405.These a plurality of bolts 405 are along circumferentially configuration equably.The vertically upright downside of being located at platen 101 of scroll wrap 102.
The basic comprising of rotation scroll 200 partly is platen 201, scroll wrap 202, rotation scroll bearing portion 203, is disposed at the sliding bearing 210 of rotation scroll bearing portion 203, reaches back pressure hole.The vertically upright upside of being located at platen 201 of scroll wrap 202.The rotation scroll bearing portion 203 vertically tab-like downsides (anti-vortex flank) that are formed in platen 201.Rotation scroll 200 forms by processed each component part by foundry goods, and the material of this foundry goods is cast iron, aluminium etc.
Make fixed scroll 100 constitute pressing chamber 130 with 200 engagements of rotation scroll, this pressing chamber 130 is rotated motion by rotation scroll 200, thereby reduces the compressed action of its volume.Under this compressed action, along with rotatablely moving of rotation scroll 200, via suction pipe 711 and suction port 103 refrigerant gas is drawn into pressing chamber 130, the compressed stroke of refrigerant gas that sucks is discharged in the seal container 700 from the exhaust port 104 of fixed scroll 100, via discharge tube 701, discharge again from seal container 700.Like this, the space in the seal container 700 remains head pressure.As by compression mechanical part 2 refrigerant compressed gases, use the contour compacting cryogen of the good R410A of earth environment.
Seal container 700 has loam cake 710 and lower cover 720.It is chimeric with it that the tube portion of central authorities of loam cake 710 and lower cover 720 relative seal containers 700 covers ground, the outside, and its chimeric end is heated and welding from oblique below and oblique upper by welding torch.Foot 721 is installed in bottom surface at seal container 700.At the installed inside magnet 722 of lower cover 720, play the effect of reclaiming the dust in the compressor.
In addition, be provided with sealing (Ha one メ) terminal 702 and terminal cap 703 in the side of seal container 700, can feed electrical power to motor 600.Hermetic terminal 702 connects seal containers 700 ground settings, is positioned at 400 of the end coil 601a of stator 601 and frames.
Discharge tube 701 is positioned at the opposition side of guide member 423, and the refrigerant gas in the space between frame 400 and the motor 600 is discharged to the outside of frame 400, is configured to the top of counterweight 407, and the side that connects seal container 700 is provided with.
Rotation scroll 200 is rotated driving by drive portion 3, and drive portion 3 has the motor 600 that is made of stator 601 and rotor 602, turning axle 300, oil feed pump 900, as Euclidean ring 500, rolling bearing 401,803, the rotation scroll bearing portion 203 of the critical piece of the anti-locking mechanism of rotation of rotation scroll 200 and be disposed at the sliding bearing 210 of rotation scroll bearing portion 203.
Turning axle 300 is provided with main shaft part 302, crank pin 301 integratedly, reaches supplementary bearing support 303.Main shaft part 302 and supplementary bearing support 303 are formed at same axle center, constitute main shaft portion.In addition, be pressed into oil feed pump 900 in the underpart of turning axle 300.Rolling bearing 401,803 constitutes can engage the main shaft part 302 of turning axle 300 and the turning axle support of supplementary bearing support 303 freely to rotate.Rotation scroll bearing portion 203 is located at rotation scroll 200, and the footpath is pressed into sliding bearing 210 within it, can be along the crank pin 301 that moves and can engage freely to rotate turning axle 300 as the axial thrust direction of revolution.
Rolling bearing (main bearing) 401 is configured in the upside of motor 600, and rolling bearing (supplementary bearing) 803 is disposed at the downside of motor 600.Rolling bearing 401,803 is formed in the bearing for spindle of the two-side supporting main shaft portion of motor 600.On the lower bearing bracket 801 that is fixed in seal container 700, pass through bolt 805 stationary housings 802.On housing 802, insert rolling bearing 803 from the top, the side installs housing lid 804 more from it.
Oil feed pump 900 is for being installed on the centrifugal pump of turning axle 300 lower ends, be used for sucking the lubrication oil that is stored in oil groove 730 forcibly by oil supply hole 901, supply to supplementary bearing 803, rotation scroll bearing portion 203 by oily passage 311, be re-supplied to rolling bearing portion 401.The oil of supplying with from oily passage 311 also supplies to the slide part that rotates scroll 200 and fixed scroll 100.Oil passage 311 vertically is located at turning axle 300 with connecting, has the top oil supply hole of the axle center off-centre of concentric bottom oil supply hole in the axle center of relative turning axle 300 and relative turning axle 300.Be provided with the horizontal oil supply hole that is communicated with this bottom oil supply hole, to supplementary bearing 803 fuel feeding.
Euclidean ring 500 is disposed at the back side of the platen 201 of rotation scroll 200.Be formed at 1 group of 2 groups of keys part of quadrature of Euclidean ring 500 and slide in the keyway as the support of the Euclidean ring 500 that is formed in frame 400, remaining 1 group is slided in the keyway of the back side that is formed in rotation scroll wrap 202.Like this, rotation scroll 200 relative fixed scroll 100 not rotations ground with the face vertical as the axial direction of the upright set direction of scroll wrap 202 in be rotated motion.
When compression mechanical part 2 is made crank pin 301 produce eccentric the revolution by the revolution of the turning axle 300 that is connected in motor 600, rotation scroll 200 makes that by Euclidean ring 500 relative fixed scroll 100 is not rotated motion with producing rotation, refrigerant gas is drawn into the pressing chamber 130 that is formed by scroll wrap 102 and 202 by suction pipe 711 and suction port 103.By rotatablely moving of rotation scroll 200, pressing chamber 130 is moved towards central part on one side, Yi Bian reduce volume, compression refrigerant gas is discharged to the discharge chamber with the refrigerant gas that is compressed from exhaust port 104.Being discharged to refrigerant gas circulation back around compression mechanical part 3 and motor 600 of discharging the chamber is released to outside the compressor from discharge tube 701.
Be provided with at the platen 201 of rotation scroll 200 and make pressing chamber 130 and the back pressure hole (not shown) that the back pressure chamber 411 that rotates the back side is communicated with, the pressure of back pressure chamber 411 is remained the pressure (intermediate pressure) of the centre of suction pressure and head pressure.The back pressure chamber 411 of back side that is formed in rotation scroll 200 space that rotation scroll 200, frame 400, fixed scroll 100 surround of serving as reasons.Therefore, frame 400 double as form the member of back pressure chamber 411.
Being located at seal ring 410 in the top groove of frame 400 prevents to discharge gas and flow into back pressure chamber 411.Rotation scroll 200 is by intermediate pressure that acts on back pressure chamber 411 and the fixed scroll 100 of making a concerted effort to be pressed to that acts on the head pressure of seal ring 410 inboards.Here, the internal diameter of seal ring 410 is littler than the external diameter of rolling bearing 401.
In order to adopt such formation, from the revolution driver element side of frame 400 rolling bearing 401 is inserted into frame 400, become by constituting that the rolling bearing 401 of 403 pairs of insertions of housing cap is fixed.On housing cap 403, be provided with thrust-bearing.Housing cap 403 separates formation with frame 400.Housing cap 403 is fixed in frame 400 by bolt 406.By carrying out bolt like this, thus the gap of sealed frame lid 403 and frame 400 positively, so, can suppress leakage of oil from fuel supply path.Housing cap 403 by the inboard that is inserted into frame 400, the pushing rolling bearing 401 part and be contacted with the revolution driver element side end face of frame 400, the part that is fixed thereon constitutes.
Counterweight 407 more by motor one side, is located at turning axle 300 than rolling bearing 401.In this form of implementation, counterweight 407 is separated formation with turning axle 300, and it is fixing to be pressed into turning axle 300, but also can counterweight 407 be set integrally formedly with turning axle 300.The 407a of maximum outside diameter portion of counterweight 407 is located at the end face side of the end turn 601a of stator 601 highlightedly, and diameter is littler than the internal diameter of end turn 601a.Like this, guarantee the revolution balance of turning axle 300.
Below, fuel supply path is described.When turning axle 300 revolution, supply to the oily passage 311 in the turning axle after by oil feed pump 900 oil of oil groove 730 being boosted.After a part of delivering to the oil of oily passage 311 flows to supplementary bearing 803 as rolling bearing by cross-drilled hole 312, turn back to oil groove 730.The oil that arrives the top of crank pin 301 by oily passage 311 passes through sliding bearing 210, further flows to rolling bearing 401.The oil that rolling bearing 401 is lubricated all turns back to oil groove 730 by oil exit pipe 408 basically.
End face in the rotation scroll bearing portion 203 of rotating scroll 200 is provided with fuel feeding recess 205, be rotated motion by rotation scroll 200, thereby fuel feeding recess 205 is moved back and forth in the outside and the inboard of seal ring 410, and the part that will be in the oil of 401 on swivel bearing 210 and bearing is transported to back pressure chamber 411.After the oil of carrying supplies to Euclidean ring 500, supply to the end socket face 105 of fixed scroll and the slip surface of the platen 201 of rotation scroll 200.
The oil that is transported to back pressure chamber 411 flow into pressing chamber 130 by back pressure hole or the micro-gap by the end socket slip surface.The oil that flow into pressing chamber 130 is discharged from exhaust port 104 with the refrigerant gas that is compressed, and separates with refrigerant gas in seal container 700, turns back to oil groove 730.
Below, describe the oil of exhaust port 104 discharges and flowing of refrigerant gas in detail from fixed scroll 100.Oil of discharging from exhaust port 104 and refrigerant gas flow into the guide member 423 of being located at frame peripheral channel 421 belows by being located at the frame peripheral channel 421 of fixed scroll 100 and frame 400 peripheries.This guide member 423 is arranged at the inner peripheral surface of seal container 700, makes from the refrigerant gas that contains oil of frame peripheral channel 421 to change towards circumferential travel direction.Guide member 423 has the small clearance portion 424 of being located at the lower end and as shown in Figure 5 in the hole portion 425 of the circumferential openings of seal container 700.Flowing into the oil of guide member 423 and refrigerant gas all leads to via portion 425 basically the inner peripheral surface along seal container 700 flows in the space of 601 of frame 400 and stators.The oil of the part of the clearance portion 424 by guide member 423 and refrigerant gas are used for the cooling of stator 601 bottoms by being located at the stator peripheral channel 426 of stator 601 peripheral parts.
Oil that flows out from hole portion 425, flow along the inner peripheral surface of seal container 700 and refrigerant gas be by action of centrifugal force, makes heavy oil be attached in the seal container 700 week and flow, and separates with refrigerant gas.The oil that has separated turns back to oil groove 730 by stator peripheral channel 426.Separated oily refrigerant gas and be released to seal container 700 outsides by discharge tube 701.Here, when nearby having the foot that hinders along the frame 400 that flows of the oil in interior week of seal container 700 and refrigerant gas at discharge tube 701, along mobile this foots that collide in week in the seal container 700, oil splashes etc., reduces the separation effect of oil and refrigerant gas.Different therewith, in this form of implementation, owing to there is not the foot of frame 400, so, but efficient separating oil and refrigerant gas well.
In addition, be located at the counterweight 407 and the revolution of turning axle 300 one of turning axle 300, the oil that is attached to counterweight 407 is splashed, but in this form of implementation, owing to the top that discharge tube 701 is disposed at counterweight 407, so the oil that splashes can not be fed directly to discharge tube 701.
The oil that flows out from the hole portion 425 of guide member 423 is along the interior Zhou Liudong of seal container 700, be attached to the interior Zhou Liudong of seal container 700 by action of centrifugal force, so, do not flow to the inboard (central side) of the hole portion 425 of perimembranous directions in the seal container 700 of being located at guide member 423.In this form of implementation, the inflow entrance of the discharge tube 701 by will being located at seal container 700 is set to the interior side of the hole portion 425 of guide member 423, separates function thereby can irrespectively obtain stable oil with flowing of oil.
In this form of implementation, only form the hole portion 425 of guide member 423 on the direction opening ground identical with the gyratory directions of turning axle 300.Like this, the gas flow of periphery periphery that can make counterweight 407 is with consistent at the flow direction of the oil of the interior Zhou Liudong of seal container 700 and refrigerant gas, for this reason, can improve the centrifugation efficient of oil, and the oil that splashes from counterweight 407 is successfully absorbed carried out the flowing of centrifugation, can obtain stable oil and separate function.
Flow into the oil of guide member 423 inside and the lower end that refrigerant gas collides guide member 423.The oil of this collision and the part of refrigerant gas adverse current in guide member 423 is released to side in the seal container from the gap of guide member 423 inflow entrances and frame 400 lower ends, exists and reduces the problem that oil separates efficient.According to this form of implementation, by a plurality of frame peripheral channel 421 of being located at fixed scroll 100 and frame 400 peripheries are set, thereby reduce the oil flow in the guide member 423 and the flow velocity of refrigerant gas, so, can reduce to collide guide member 423 lower ends and the flowing of adverse current, so, can carry out the good oil of efficient and separate.
In addition, as the frame peripheral channel 421 that makes the periphery of being located at fixed scroll 100 and frame 400 is for a plurality of, 421 of frame peripheral channel bolt 405 is set, then the size of the bolt 405 that fixed scroll is fixed, compression mechanical part can be guaranteed design freedom without limits.
As described above, according to this form of implementation, guide member 423 makes from the refrigerant gas of frame peripheral channel 421 and changes towards circumferential travel direction, opposition side at guide member 423 is provided with discharge tube 701, this discharge tube 701 is configured to the top of counterweight 407, make the following integral body of the compressing mechanism support 401b of frame 400 be positioned at the top of discharge tube 701, simultaneously, periphery lower corner at compressing mechanism support 401b forms a plurality of recessed stepped part 401c that extends along periphery, carry out tack welding 740 in the position corresponding with residuing in heavy section 401d between these a plurality of recessed stepped part 401c, make the following integral body of the compressing mechanism support 401b of frame 400 be positioned at the top of discharge tube 701, so, can guarantee enough counterweight functions, simultaneously, can improve oil by cheap construction and separate performance, can obtain the good scroll compressor of reliability.

Claims (5)

1. a fluid compression engine has seal container cylindraceous, compression mechanical part, motor, bearing, frame, counterweight, pump portion, frame peripheral channel, guide member, reaches discharge tube;
This compression mechanical part is configured in the top in the above-mentioned seal container, after working fluid is compressed it is discharged towards the top;
The bottom of this motor configurations in above-mentioned seal container drives above-mentioned compressor structure portion by turning axle;
This bearing supports above-mentioned turning axle between above-mentioned motor and above-mentioned compressor structure portion;
This frame has the bearing support of the above-mentioned bearing of supporting and extends, supports the compressing mechanism support of above-mentioned compressor structure portion towards foreign side from the top of this bearing support, and the outer circumferential face of above-mentioned compressor structure support is welded in the inner peripheral surface of above-mentioned seal container at circumferential a plurality of positions;
This counterweight is positioned at the top of the stator end coil of above-mentioned motor, and has the outer circumferential face in the face of the inner peripheral surface of above-mentioned seal container;
This pump portion is to above-mentioned compression mechanical part and above-mentioned bearing supplying lubricating oil;
This frame peripheral channel is located at the outer circumferential face of above-mentioned frame, makes the working fluid of discharging from above-mentioned compressor structure portion lead to the below of above-mentioned frame;
This guide member is arranged at the inner peripheral surface of above-mentioned seal container, makes from the working fluid of above-mentioned frame peripheral channel to change towards circumferential travel direction;
This discharge tube is positioned at the opposition side of above-mentioned guide member, makes the working fluid in the space between above-mentioned frame and above-mentioned motor be discharged to the outside of above-mentioned seal container; It is characterized in that,
Make above-mentioned discharge tube be positioned at the top of above-mentioned counterweight,
Make the following integral body of above-mentioned compressor structure support be positioned at the top of above-mentioned discharge tube, simultaneously, form a plurality of recessed stepped part of extending in the periphery lower corner of above-mentioned compressor structure support, weld in the position corresponding with residuing in heavy section between these a plurality of recessed stepped part along periphery
The tap hole of the circumferencial direction of above-mentioned guide member only is formed at the direction identical with the gyratory directions of above-mentioned turning axle.
2. fluid compression engine according to claim 1 is characterized in that: along circumferentially above-mentioned a plurality of recessed stepped part being set equably, make each heavy section that residues between above-mentioned a plurality of recessed stepped part along circumferentially evenly distributing.
3. fluid compression engine according to claim 1, it is characterized in that: form a plurality of above-mentioned frame peripheral channel side by side, circumferential position between above-mentioned a plurality of frame peripheral channel connects the bolt that above-mentioned compressor structure portion is supported on frame, with above-mentioned a plurality of frame peripheral channel above-mentioned guide member is set communicatively.
4. fluid compression engine according to claim 1, it is characterized in that: form a plurality of above-mentioned frame peripheral channel in the scope of 1 recessed stepped part in above-mentioned a plurality of recessed stepped part side by side, above-mentioned guide member is set communicatively with above-mentioned a plurality of frame peripheral channel and their residing above-mentioned recessed stepped part.
5. fluid compression engine according to claim 1, it is characterized in that: between the inner peripheral surface of the outer circumferential face of the end coil of said stator and above-mentioned seal container, form the tap hole of the circumferencial direction of above-mentioned guide member, the inflow entrance of above-mentioned discharge tube is configured to the interior side of tap hole of the circumferencial direction of above-mentioned guide member.
CN2007101542591A 2006-09-28 2007-09-17 Liquid compressor Expired - Fee Related CN101153593B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006-264222 2006-09-28
JP2006264222A JP4939884B2 (en) 2006-09-28 2006-09-28 Fluid compressor
JP2006264222 2006-09-28

Publications (2)

Publication Number Publication Date
CN101153593A CN101153593A (en) 2008-04-02
CN101153593B true CN101153593B (en) 2010-06-02

Family

ID=39255422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101542591A Expired - Fee Related CN101153593B (en) 2006-09-28 2007-09-17 Liquid compressor

Country Status (2)

Country Link
JP (1) JP4939884B2 (en)
CN (1) CN101153593B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8974198B2 (en) * 2009-08-10 2015-03-10 Emerson Climate Technologies, Inc. Compressor having counterweight cover
JP5304868B2 (en) * 2011-09-30 2013-10-02 ダイキン工業株式会社 Scroll compressor
WO2013145018A1 (en) * 2012-03-30 2013-10-03 日立アプライアンス株式会社 Scroll compressor
JP6791302B2 (en) * 2019-05-21 2020-11-25 ダイキン工業株式会社 Compressor
JP7462403B2 (en) * 2019-11-26 2024-04-05 サンデン株式会社 Compressor
WO2022021663A1 (en) * 2020-07-30 2022-02-03 艾默生环境优化技术(苏州)有限公司 Compressor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017205A (en) * 1996-08-02 2000-01-25 Copeland Corporation Scroll compressor
CN1482365A (en) * 2002-09-13 2004-03-17 日立家用电器公司 Vorticity compression pump

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07310677A (en) * 1994-05-17 1995-11-28 Daikin Ind Ltd Scroll compressor
JPH1047268A (en) * 1996-07-31 1998-02-17 Hitachi Ltd Hermetic scroll compressor
JP2001140779A (en) * 1999-11-18 2001-05-22 Hitachi Ltd Scroll compressor
JP2001182681A (en) * 1999-12-27 2001-07-06 Matsushita Electric Ind Co Ltd Hermetically sealed motor-driven compressor
JP2004003504A (en) * 2003-07-11 2004-01-08 Daikin Ind Ltd Scroll compressor
JP3786105B2 (en) * 2003-07-11 2006-06-14 ダイキン工業株式会社 Scroll compressor
JP4277995B2 (en) * 2003-12-04 2009-06-10 日立アプライアンス株式会社 Electric compressor and manufacturing method thereof
JP2005201168A (en) * 2004-01-16 2005-07-28 Fujitsu General Ltd Scroll compressor
JP4433184B2 (en) * 2004-11-05 2010-03-17 株式会社富士通ゼネラル Compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6017205A (en) * 1996-08-02 2000-01-25 Copeland Corporation Scroll compressor
CN1482365A (en) * 2002-09-13 2004-03-17 日立家用电器公司 Vorticity compression pump

Also Published As

Publication number Publication date
CN101153593A (en) 2008-04-02
JP2008082272A (en) 2008-04-10
JP4939884B2 (en) 2012-05-30

Similar Documents

Publication Publication Date Title
CN101153593B (en) Liquid compressor
US20120082578A1 (en) Scroll compressor
US9528517B2 (en) Alignment feature for a lower bearing assembly for a scroll compressor
CN102562598A (en) Enclosed compressor
US20020098102A1 (en) Scroll type compressor
US11913455B2 (en) Scroll compressor having a centrifugal oil pump
CN1936330A (en) Compressor
JP4728872B2 (en) Electric compressor
CN100376800C (en) Fluid compressor
CN108350879B (en) Oil return pipe with non-circular pipe
EP2236829B1 (en) Sealed-type scroll compressor
JP2009036136A (en) Scroll compressor
AU2009292496B2 (en) Hermetic compressor
US20060083649A1 (en) Compressor
JP2005140064A (en) Electric compressor
JP5136018B2 (en) Electric compressor
JP2006090180A (en) Hermetic compressor
US20220128280A1 (en) Compressor, and refrigeration device
JP2746665B2 (en) Scroll compressor
US20220290666A1 (en) Scroll compressor provided with an hydrostatic lower bearing arrangement
JP5520762B2 (en) Scroll compressor, electric compressor
WO2006129617A1 (en) Scroll compressor
WO2023110623A1 (en) A compressor scroll provided with an oil sump fairing
JPH0754788A (en) Closed type compressor
JP4748585B2 (en) Manufacturing method of scroll compressor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160812

Address after: Hongkong, China

Patentee after: Johnson Controls Hitachi air conditioning technology (Hong Kong) Co.,Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi Appliances, Inc.

TR01 Transfer of patent right

Effective date of registration: 20180709

Address after: Tokyo, Japan

Patentee after: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, Inc.

Address before: Hongkong, China

Patentee before: Johnson Controls Hitachi air conditioning technology (Hong Kong) Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

CF01 Termination of patent right due to non-payment of annual fee