CN1510298A - Anti-reverse device of vortex compressor - Google Patents
Anti-reverse device of vortex compressor Download PDFInfo
- Publication number
- CN1510298A CN1510298A CNA021586624A CN02158662A CN1510298A CN 1510298 A CN1510298 A CN 1510298A CN A021586624 A CNA021586624 A CN A021586624A CN 02158662 A CN02158662 A CN 02158662A CN 1510298 A CN1510298 A CN 1510298A
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- movable orbiting
- orbiting scroll
- reverse
- rotation device
- main frame
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Abstract
A unit for preventing reverse rotation of vortex compressor, which has a rotary shaft with moving vortex disk, the compression unit composed of moving and static vortex disks, power generating unit, lubricating unit and reverse rotation preventer, features that it is arranged on main frame and moving vortex disk. When said moving vortex is going to rotate reverse, an elastic limiting pin moves upward and is hooked by a slot only main frame, so preventing the reverse rotation of moving vortex disk.
Description
Technical field
The present invention relates to a kind of anti-reverse-rotation device of scroll compressor, particularly relate to a kind ofly at movable orbiting scroll with support on the main frame of movable orbiting scroll and be provided with anti-reverse-rotation device, can prevent the anti-reverse-rotation device of the scroll compressor that movable orbiting scroll and running shaft reverse.
Background technique
In general, scroll compressor belongs to a kind of of rotary compressor, is the displacement type compressor of the compression refrigerant that rotatablely moves of the turbine part by pair of matched, and wherein the profile of tooth of turbine part is an involute.The refrigerating capacity scope of scroll compressor is 2500～4300Kcal/h, in order to improve its efficient the processing of turbine part is wanted accurate, the development of manufacturing technology recently can reach high-precision processing, so scroll compressor is widely used in field of air conditioning and low temperature field.Scroll compressor is little compared with the relative sliding velocity between little, the no Aspirating valves of the change of reciprocal compressor and its moment of torsion of rotary compressor and outlet valve, compression key element, the leakage of adding the refrigerant between pressing chamber is little, parts are few, so have high reliability such as high efficiency, low noise, low vibration.
As shown in Figure 1, existing scroll compressor comprises: the inner seal container 10 that forms seal space; Be located at the inside of seal container, the press part 20 of compression refrigerant; The power generating unit 50 of drive compression portion 20; The lubricated portion 60 of the inside of lubricated seal container 10.
Also be provided with sucking pipe 11 that sucks refrigerant from the outside and the outlet pipe 12 that the refrigerant of compression is discharged on the seal container 10.
The upside of static vortex disk 21 is provided with the high low pressure demarcation strip 24 that the inner space of seal container 10 is divided into zone of high pressure P3 and low pressure area P1; The upside of above-mentioned relief opening 23 is provided with the compression refrigerant adverse current that the prevents zone of high pressure P3 check valve assembly 40 to compression volume P2, and check valve assembly 40 is made of valve seat 42 and the one-way valve 41 that is provided with in the mode of sliding guidance on valve seat 42.
Lubricated portion 60 is arranged on the inside of running shaft 53, can be with the machine oil 61 of the lower end of seal container 10 to the supply of the friction position of the inside of seal container 10.
As mentioned above, existing scroll compressor: the static vortex disk 21 that is provided with involute shape static vortex disk blade 22 matches with the movable orbiting scroll 25 that is provided with involute shape movable orbiting scroll blade 26 and forms compression volume P2; Static vortex disk 21 is for fixedly installing; Movable orbiting scroll 25 can not rotation, rotatablely moves but do the plane along the circumference of certain radius; The relative movement of static vortex disk 21 and movable orbiting scroll 25 can be compressed refrigerant continuously.
Compression movement begins to carry out the back: the one-way valve 41 of check valve assembly 40 is opened relief opening 23 owing to pressure difference moves upward, the refrigerant of compression flows to zone of high pressure P3 by relief opening 23, the compression refrigerant of zone of high pressure P3 is separated with low pressure area P1 because of high low pressure demarcation strip 24, discharges to the outside of seal container 10 by outlet pipe 12.
But as mentioned above, existing scroll compressor if the ratio of pressure of inspiration(Pi) and exhaust pressure prevents that greatly to a certain degree the knocking of relief opening 23 tops of 41 pairs of static vortex disks 21 of one-way valve of the check valve assembly 40 that scroll compressor reverses from can increase the weight of, produces the thorn ear noise.
Moreover, when the running of above-mentioned scroll compressor stops, the high temperature that produces because of the relative movement of static vortex disk 21 and movable orbiting scroll 25, the refrigerant of high pressure can moment adverse current, the reverse that can produce movable orbiting scroll 25 and running shaft 53 simultaneously.Can produce vibration and noise like this, reduce the reliability of scroll compressor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of energy anti-reverse of going up movable orbiting scroll and running shaft, the anti-reverse-rotation device of the scroll compressor of the reliability of raising scroll compressor.
The technical solution adopted in the present invention is: a kind of anti-reverse-rotation device of scroll compressor, and this scroll compressor includes: by the running shaft that is being supported by main frame and lower frame, an end is equipped with movable orbiting scroll; Match with above-mentioned movable orbiting scroll, by its press part that interacts the static vortex disk of refrigerant compression is formed; And the power generating unit of drive compression portion; The lubricated portion of the inside of lubricated seal container; On the main frame of supporting rotating shaft and movable orbiting scroll, be provided with the anti-reverse-rotation device that prevents that running shaft from reversing.Anti-reverse-rotation device comprises: hanging groove and anti-reverse transfer part branch.Hanging groove is located at movable orbiting scroll and the back side main frame surface of contact; The anti-reverse-rotation device elastic support is on main frame, and when movable orbiting scroll ran well, anti-reverse-rotation device can not be suspended on the hanging groove, and movable orbiting scroll is when reversing, and anti-reverse-rotation device will hang on the hanging groove.
As mentioned above, the anti-reverse-rotation device of scroll compressor of the present invention, when movable orbiting scroll will reverse, the position limit pin that elastic support was done and is moved upward, and was suspended on the hanging groove that is arranged on the movable orbiting scroll, prevented the reverse of movable orbiting scroll.This structure has replaced check valve assembly of the prior art, has overcome the noise on original check valve assembly, has reduced the abnormal vibrations that produces owing to reversing, and has improved the reliability of scroll compressor.
Description of drawings
Fig. 1: the internal structure profile diagram of general scroll compressor.
Fig. 2: the internal structure profile diagram of scroll compressor shown in the embodiment of the invention.
Fig. 3: the A-A part sectional view of scroll compressor shown in Figure 2.
Wherein:
10: seal container 11: sucking pipe 12: outlet pipe
20: press part 21: static vortex disk 22: the static vortex disk blade
23: relief opening 25: movable orbiting scroll 24: demarcation strip
26: movable orbiting scroll blade 50: power generating unit 53: running shaft
54: main frame 55: lower frame 60: lubricated portion
140: anti-reverse-rotation device 141: hanging groove 142: support slot
143: spring 144: position limit pin P1: low pressure area
P3: zone of high pressure
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are elaborated, parts wherein same as the prior art use same label.
As shown in Figures 2 and 3, scroll compressor comprises: the inner seal container 10 that forms seal space; Be located at the inside of seal container, the press part 20 of compression refrigerant; The power generating unit 50 of drive compression portion 20; The lubricated portion 60 of the inside of lubricated seal container 10.
Also be provided with sucking pipe 11 that sucks refrigerant from the outside and the outlet pipe 12 that the refrigerant of compression is discharged on the seal container 10.
The upside of static vortex disk 21 is provided with the high low pressure demarcation strip 24 that the inner space of seal container 10 is divided into zone of high pressure P3 and low pressure area P1; Between movable orbiting scroll 25 and the main frame 54, be provided with anti-reverse-rotation device 140, this anti-reverse-rotation device 140 comprises: the hanging groove 141 that is provided with on the back side of movable orbiting scroll 25 and main frame 54 surface of contact; On main frame 54,, be placed on the spring 143 of 142 li of support slots with the hanging groove 141 corresponding support slots 142 that are provided with; One end is inserted in 142 li of support slots, and by spring 143 elastic support, the other end is processed into inclined end face, only when reversing, is suspended to the position limit pin 144 on the hanging groove 141.
Lubricated portion 60 is arranged on the inside of running shaft 53, can be with the machine oil 61 of the lower end of seal container 10 to the supply of the friction position of the inside of seal container 10.
Above-mentioned scroll compressor is provided with the static vortex disk 21 of involute shape static vortex disk blade 22, and is provided with movable orbiting scroll 25 with involute shape movable orbiting scroll blade 26 and matches and form compression volume P2; Static vortex disk 21 is for fixedly installing; Movable orbiting scroll 25 can not rotation, rotatablely moves but do the plane along the circumference of certain radius; The relative movement of static vortex disk 21 and movable orbiting scroll 25 can be compressed refrigerant continuously.
When refrigerant is compressed, movable orbiting scroll 25 normal operations (a direction).At this moment, the inclined end face of position limit pin 144 part is tangent with hanging groove 141, and both do the slide relative motion.Simultaneously, position limit pin 144 pressure springs 143, and move down, do not influence the normal operation of movable orbiting scroll 25 like this.The refrigerant of compression flows to zone of high pressure P3 by relief opening 23, and the compressed refrigerant of zone of high pressure P3 is separated with low pressure area P1 by high low pressure demarcation strip 24, and discharges to the outside of seal container 10 by outlet pipe 12.
When the normal operation of movable orbiting scroll 25 stops, and movable orbiting scroll 25 is because compressed high pressure refrigerant when doing reverses (b direction) and moving, because the elasticity position limit pin 144 of spring 143 moves up, the another side of the inclined end face of position limit pin 144 part is suspended on the hanging groove 141 like this, prevents the reverse of movable orbiting scroll 25.
The anti-reverse-rotation device of aforesaid scroll compressor, replaced preventing in the prior art check valve assembly of movable orbiting scroll reverse, and be located between movable orbiting scroll and the main frame, play the reverse that prevents movable orbiting scroll 25, overcome the noise that has on the check valve assembly, reduced the abnormal vibrations that produces owing to reversing.
Claims (3)
1. the anti-reverse-rotation device of a scroll compressor, this scroll compressor includes: by by main frame (54) and lower frame (55) is supporting, an end is equipped with movable orbiting scroll (25) running shaft (53); Match with above-mentioned movable orbiting scroll (25), by its press part (20) that interacts the static vortex disk (21) of refrigerant compression is formed; And the power generating unit (50) of drive compression portion (20); The lubricated portion (60) of the inside of lubricated seal container (10); It is characterized in that: on the main frame (54) of supporting rotating shaft (53) and movable orbiting scroll (25), be provided with the anti-reverse-rotation device (140) that prevents that running shaft from reversing.
2. the anti-reverse-rotation device of scroll compressor according to claim 1, it is characterized in that: described anti-reverse-rotation device (140) includes the hanging groove (141) that is provided with at the back side with the contacted movable orbiting scroll of main frame (54) (25), the anti-reverse transfer part branch of anti-reverse-rotation device (140) is supported by main frame, when movable orbiting scroll (25) runs well, can not be suspended on the hanging groove (141), and movable orbiting scroll (25) is suspended on the hanging groove (141) when reversing.
3. the anti-reverse-rotation device of scroll compressor according to claim 2, it is characterized in that: above-mentioned anti-reverse transfer part branch includes: the spring (143) that is placed in support slot (142) lining that is arranged on the main frame (54); One end is inserted into support slot (142) lining, and is supported by spring (143), and the end face of the other end is processed into inclined end face, only just is suspended to the position limit pin (144) of hanging groove (141) lining when movable orbiting scroll (25) reverses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586624A CN100359181C (en) | 2002-12-25 | 2002-12-25 | Anti-reverse device of vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021586624A CN100359181C (en) | 2002-12-25 | 2002-12-25 | Anti-reverse device of vortex compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1510298A true CN1510298A (en) | 2004-07-07 |
| CN100359181C CN100359181C (en) | 2008-01-02 |
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ID=34237127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021586624A Expired - Fee Related CN100359181C (en) | 2002-12-25 | 2002-12-25 | Anti-reverse device of vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100359181C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678549A (en) * | 2011-03-14 | 2012-09-19 | 株式会社丰田自动织机 | Scroll-type compressor for vehicle |
| CN103746509B (en) * | 2014-01-14 | 2017-11-24 | 无锡欧瑞京机电有限公司 | A kind of Anti-reverse-rotatiodevice device of motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596520A (en) * | 1983-12-14 | 1986-06-24 | Hitachi, Ltd. | Hermetic scroll compressor with pressure differential control means for a back-pressure chamber |
| US5607288A (en) * | 1993-11-29 | 1997-03-04 | Copeland Corporation | Scroll machine with reverse rotation protection |
| US5683236A (en) * | 1996-03-21 | 1997-11-04 | Alliance Compressors | Anti-reverse rotation valve for scroll compressor |
| JP2984640B2 (en) * | 1997-12-18 | 1999-11-29 | 三菱重工業株式会社 | Hermetic scroll compressor |
| US6190138B1 (en) * | 1998-06-12 | 2001-02-20 | Scroll Technologies | Flow valve for correcting reverse rotation in scroll compressor |
| US6341945B1 (en) * | 1999-10-18 | 2002-01-29 | Scroll Technologies | Scroll compressor with reduced capacity at high operating temperatures |
-
2002
- 2002-12-25 CN CNB021586624A patent/CN100359181C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678549A (en) * | 2011-03-14 | 2012-09-19 | 株式会社丰田自动织机 | Scroll-type compressor for vehicle |
| CN102678549B (en) * | 2011-03-14 | 2015-09-02 | 株式会社丰田自动织机 | For the scroll compressor of vehicle |
| US9366254B2 (en) | 2011-03-14 | 2016-06-14 | Kabushiki Kaisha Toyota Jidoshokki | Vehicular scroll compressor having housing arrangements for improved vibration isolation |
| CN103746509B (en) * | 2014-01-14 | 2017-11-24 | 无锡欧瑞京机电有限公司 | A kind of Anti-reverse-rotatiodevice device of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100359181C (en) | 2008-01-02 |
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