CN1667275A - Vortex type compressor - Google Patents
Vortex type compressor Download PDFInfo
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- CN1667275A CN1667275A CN 200410008506 CN200410008506A CN1667275A CN 1667275 A CN1667275 A CN 1667275A CN 200410008506 CN200410008506 CN 200410008506 CN 200410008506 A CN200410008506 A CN 200410008506A CN 1667275 A CN1667275 A CN 1667275A
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- oilhole
- overlapping
- scroll compressor
- giving
- face
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Abstract
The invention relates to a vortex rotating compressor. By setting oil feeding hole that connects through lens board cross hole on the vortex rotating component, the high pressure oil would be sent to the up surface of the superposition. By setting slot on the superposition up surface, the oil feeding quantity would be increased to be suitable, the sealing capability of the compressing room would be improved. Thus, the compressing efficiency would be improved, as well as the reliability.
Description
Technical field
The present invention relates to the scroll compressor of use on air conditioner, refrigerating machine etc.
Background technique
Scroll compressor all has overlapping fixed scroll member and the rotary vortex rotary part of formation volute on runner plate, and these volute laps are engaged with each other, and forms a plurality of pressing chambers.Apply certain pressure by the back side, can make the overlapping front end of volute of a scroll element, contact with the runner plate portion of another scroll element at this rotary vortex rotary part.In addition, rotary vortex rotary part is connected with crankshaft under eccentric state, uses the Oldham's coupling on the back side be contained in rotary vortex rotary part, can prevent from then rotate.Adopt this structure, scroll compressor can reduce volume towards the center on one side, Yi Bian compress.
In scroll compressor, because fixed scroll member usually contacts slip with rotary vortex rotary part is on-stream, so produces friction on surface of contact, cause slippage loss, become the driving force cause of increased.In addition, friction also is to cause adhesion, the reason that reliabilities such as burn-back worsen.
Open an example that discloses among the flat 6-288361 as countermeasure the spy.Now utilize Fig. 6 that disclosed existing scroll compressor is described.On the lap of fixed scroll member 101 and rotary vortex rotary part 102, the end seal groove is set, this end seal groove can be placed tip seals 121,122, and with lubricant oil 108 each tip seals 121 of supply, 122 the back side, like this, the oil mass of giving in the pressing chamber be can increase, sealability and greasy property improved.Among Fig. 6, amplify the end seal groove 102c that has represented to be arranged on the rotary vortex rotary part.
Yet in existing scroll compressor, the floating property that exists tip seals 121,122 is bad, with the situation of the poor sealing of the runner plate of fixed scroll or rotary vortex rotary part part.In this case,, increase the oil mass of giving in pressing chamber, can not improve sealability even by the end seal groove is set.In addition, use tip seals, the problem that also has cost to improve.
Summary of the invention
The structure of scroll compressor of the present invention is, in oilhole and the groove at least one of giving of high pressure oil is set on the lap of rotary vortex rotary part.Utilize this structure, can guarantee the identical oil mass of giving when tip seals and end seal groove are set, and because of not needing tip seals, and can reduce number of components.
Description of drawings
Fig. 1 is the sectional view of the scroll compressor of explanation an embodiment of the invention.
Fig. 2 is the planimetric map and the stereogram of the major component of one embodiment of the present of invention.
Fig. 3 is the planimetric map and the stereogram of the major component of an alternative embodiment of the invention.
Fig. 4 is the planimetric map and the sectional view of another embodiment's of the present invention major component.
Fig. 5 is the planimetric map of another embodiment's of the present invention major component.
Fig. 6 is the sectional view of existing scroll compressor.
Embodiment
Below, with reference to accompanying drawing each embodiment of the present invention is described.
Fig. 1 is the sectional view of the scroll compressor of embodiments of the present invention.The cold media air that sucks from suction pipe 1, through the suction chamber 3 of fixed scroll member 2, be closed in can with the pressing chamber 5 of rotary vortex rotary part 4 engagements in.Make this cold media air reduce volume towards the center on one side, Yi Bian be compressed, from delivery outlet 6 outputs.Lubricant oil is drunk up by Gerotor pump 7, by the internal holes 9 of crankshaft 8, imports in the capacity eccentric bearing inner space 10 of rotary vortex rotary part.From here, the glide path of oil branches into two.Article one, process is arranged on the restriction 11 on the runner plate back side of rotary vortex rotary part 4, imports by fixed scroll member 2 and bearing 12 to surround in the back pressure chamber 13 that forms.Form the intermediate pressure of high low pressure in this back pressure chamber 13, utilize back pressure regulating mechanism 14, this intermediate pressure is controlled to be certain pressure.Back pressure regulating mechanism 14 is by the inside of passing through fixed scroll member 2 from back pressure chamber 13, the path 15 that is communicated with suction chamber 3; Constitute with valve 16.When the pressure ratio setting pressure of back pressure chamber 13 was high, valve 16 was opened, and the oil of back pressure chamber 13 is supplied with suction chamber 3, was certain intermediate pressure with the inner sustain of back pressure chamber 13.In addition, supply with the oil of suction chamber 3, when rotating, move, can play the effect of leaking between the pressing chamber of preventing to pressing chamber 5.The cross-drilled hole 17 that another oily stream gets out from the runner plate at rotary vortex rotary part 4 imports and to give oilhole 19 on the short transverse be arranged on lap 18, directly to pressing chamber 5 fuel feeding.
Should be by being provided with to oilhole 19, can guarantee with the existing scroll compressor that is provided with tip seals and end seal groove about equally give oil mass, so do not need tip seals, part count reduces, thereby can reduce cost.Simultaneously, owing to can guarantee the oil mass of giving in the pressing chamber, therefore can prevent the wearing and tearing that the slip by overlapping top 20, side 21, runner plate face 22 causes, adhesion and burn-back etc.In addition, can improve sealing, compression efficiency is improved, thereby raise the efficiency by the oil in the pressing chamber 5.Considering from the processability aspect, should preferably approximately be 1/3 with respect to the thickness D (see figure 2) of the lap 18 of rotary vortex rotary part 4 to the diameter of oilhole 19.In addition, can freely be arranged on from refrigerant for oilhole 19 and be sucked on the necessary position of the oil supply between the output,, need be arranged near the big suction side of differential pressure in order to set morely to oil mass.
(mode of execution 2)
Fig. 2 is the planimetric map and the stereogram of the rotary vortex rotary part of embodiments of the present invention.In Fig. 2, giving above the lap of oilhole 192 on the opening portion on the lap 182 that is arranged at rotary vortex rotary part 42 is provided with radial groove 23 on overlapping thickness direction.The width W of this radial groove 23 is wished about 1～3 times for the diameter of giving oilhole 192.In addition, the degree of depth of this radial groove 23 increases to oil mass then deeplyer if desired, and reaching the most suitable to oil mass, but when too dark, the coolant leakage between the pressing chamber is many, and compression efficiency reduces, and therefore need be set at proper depth.
(mode of execution 3)
Fig. 3 is the planimetric map and the stereogram of the rotary vortex rotary part of embodiments of the present invention.In Fig. 3, on the upper surface of the lap 183 of rotary vortex rotary part 43, form the groove 24 that contains to the circumferencial direction of the involute direction of oilhole 193.When the width of the groove 24 of this circumferencial direction was excessive, the refrigerant between the pressing chamber leaked, but ought be too hour, and then the oil of involute direction is mobile bad, wishes that therefore its width is roughly the same with the diameter of giving oilhole 193.In addition, when the degree of depth of the groove 24 of this circumferencial direction was too big, the resilience meeting that adds man-hour degenerated the side view of lap 183; When too hour, oil is mobile bad along the involute direction, therefore, need be set at proper depth.In addition, by reducing the total length of circumferencial direction groove 24, can shorten the processing beat.
By being arranged on the radial groove 23 described in the mode of execution 2 simultaneously, can more increase to oil mass.
(mode of execution 4)
Fig. 4 is the planimetric map and the sectional view of the rotary vortex rotary part of embodiments of the present invention.In Fig. 4, on the runner plate 25 of rotary vortex rotary part 44, be provided with and give oilhole 194, it is communicated with the cross-drilled hole 17 of runner plate 25, position to oilhole 194 is big more near suction port, diameter more, quantity is many more, then increase, but when too many, make the ability reduction owing to suck heating to oil mass, and, therefore need suitably to set because of viscosity loss makes input to increase.
(mode of execution 5)
Fig. 5 is the planimetric map of the fixed scroll member of embodiments of the present invention.In Fig. 5, on fixed scroll member 2, be provided with and give oilhole 195 and radial groove 235.In addition, do not illustrate among the figure, but also can be on the lap 218 of fixed scroll member, the groove of same circumferencial direction on the lap 183 of setting and the rotary vortex rotary part in mode of execution 3.Be arranged on the rotary vortex rotary part equally, need the most compatibly to set size, position and the quantity etc. of giving oilhole and radial groove or circumferencial direction groove.
As mentioned above, scroll compressor of the present invention on the lap of rotary vortex rotary part, is provided with the oilhole of giving that is communicated with the cross-drilled hole of runner plate.Utilize this structure and since can guarantee with the form of existing tip seals and end seal groove of being provided with roughly the same give oil mass, therefore, can reduce part count by the cancellation tip seals, reduce cost.In addition, therefore the oil mass of giving owing to having guaranteed in the pressing chamber can prevent wearing and tearing, adhesion and the burn-back that the slip on lap upper surface, side and runner plate face causes.Also, improve compression efficiency, therefore can raise the efficiency because can improve the sealing of the oil in the pressing chamber.
By giving above oilhole overlapping on the opening portion on being arranged at the lap of rotary vortex rotary part, on overlapping thickness direction, radial groove is set, the oil mass of giving that feeds in the pressing chamber can be adjusted by the degree of depth of radial groove, the optimal oil mass of giving of Performance And Reliability both can be realized.
Again by on the lap of rotary vortex rotary part, be provided with again and contain to oilhole, at the circumferencial direction groove of involute direction, can be on the Zone Full of the involute direction of lap oil supply equably.In addition, by using radial groove simultaneously, can be to supplying with the oil of requirement from the position that needs that is sucked into output.
Give oilhole owing on the runner plate of rotary vortex rotary part, be provided with, be communicated with the cross-drilled hole of runner plate, if adopt this structure, then because in the pressing chamber of the outer wall pressing chamber of the lap of rotary vortex rotary part and lap inwall, all be provided with to oilhole, therefore, by rotatablely moving of rotary vortex rotary part, can be with two pressing chambers oil supply equably.In addition, by adjust giving oilhole in the position of rotary vortex rotary part radial direction, what can change two pressing chambers gives the oil mass allotment ratio, makes to reach the most suitable to oil mass in the pressing chamber.
In addition, give oilhole and radial groove or circumferencial direction groove by on fixed scroll member, being provided with, owing to be arranged on the fixed system for oilhole and groove, so structure can be simpler, part count can reduce, and cost can reduce.
Claims (8)
1. scroll compressor, it possesses:
The first overlapping fixed scroll member with first runner plate and volute;
The second overlapping rotary vortex rotary part with second runner plate and volute;
The pressing chamber that makes the described first overlapping and described second overlapping engagement and constitute; And
Be configured in the parts of the restriction rotation at the described rotary vortex rotary part back side; It is characterized by,
On at least one of the described first overlapping front-end face and the described second overlapping front-end face, be provided with and give oilhole, can supply with high pressure oil to oilhole from described near delivery pressure.
2. scroll compressor as claimed in claim 1 is characterized by, and also is formed with radial groove at least one of the described first overlapping front-end face and the described second overlapping front-end face, forms the described oilhole of giving in described radial groove.
3. scroll compressor as claimed in claim 2 is characterized by, and described radial groove is 1～3 times of the described diameter of giving oilhole.
4. scroll compressor as claimed in claim 1 is characterized by, and also forms the circumferencial direction groove at least one of the described first overlapping front-end face and the described second overlapping front-end face, forms the described oilhole of giving in described circumferencial direction groove.
5. scroll compressor as claimed in claim 4 is characterized by, and the width of described circumferencial direction groove is identical with the described diameter of oilhole of giving.
6. as each described scroll compressor in the claim 1～5, it is characterized by, form the described oilhole of giving at least one in described first runner plate and described second runner plate, can supply with described high pressure oil to oilhole from described.
7. scroll compressor as claimed in claim 1 is characterized by, and the described diameter of giving oilhole is 1/3 of a described overlapping thickness.
8. scroll compressor as claimed in claim 1 is characterized by, and is supplied to described pressing chamber from the described oil of supplying with to oilhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100085063A CN100365280C (en) | 2004-03-11 | 2004-03-11 | Vortex type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100085063A CN100365280C (en) | 2004-03-11 | 2004-03-11 | Vortex type compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1667275A true CN1667275A (en) | 2005-09-14 |
| CN100365280C CN100365280C (en) | 2008-01-30 |
Family
ID=35038522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100085063A Expired - Fee Related CN100365280C (en) | 2004-03-11 | 2004-03-11 | Vortex type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100365280C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330681A (en) * | 2011-09-30 | 2012-01-25 | 安徽美芝压缩机有限公司 | Vortex compressor |
| CN101165350B (en) * | 2006-10-20 | 2012-09-05 | 日立空调·家用电器株式会社 | Vortex compressor |
| CN103807166A (en) * | 2012-11-14 | 2014-05-21 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
| CN114008324A (en) * | 2019-06-28 | 2022-02-01 | 三菱电机株式会社 | Scroll compressor and refrigeration cycle device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003042080A (en) * | 2001-07-31 | 2003-02-13 | Matsushita Electric Ind Co Ltd | Hermetic scroll compressor |
| JP2003184764A (en) * | 2001-12-18 | 2003-07-03 | Matsushita Electric Ind Co Ltd | Scroll compressor and its driving method |
| JP2003254264A (en) * | 2002-03-06 | 2003-09-10 | Matsushita Electric Ind Co Ltd | Scroll compressor |
| JP2003343455A (en) * | 2002-05-28 | 2003-12-03 | Mitsubishi Heavy Ind Ltd | Scroll compressor |
| JP4367094B2 (en) * | 2003-11-06 | 2009-11-18 | パナソニック株式会社 | Scroll compressor |
-
2004
- 2004-03-11 CN CNB2004100085063A patent/CN100365280C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165350B (en) * | 2006-10-20 | 2012-09-05 | 日立空调·家用电器株式会社 | Vortex compressor |
| CN102330681A (en) * | 2011-09-30 | 2012-01-25 | 安徽美芝压缩机有限公司 | Vortex compressor |
| CN103807166A (en) * | 2012-11-14 | 2014-05-21 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor having a plurality of scroll members |
| CN114008324A (en) * | 2019-06-28 | 2022-02-01 | 三菱电机株式会社 | Scroll compressor and refrigeration cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100365280C (en) | 2008-01-30 |
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