CN1222694C - Device for preventing autorotation of vortex compressor - Google Patents
Device for preventing autorotation of vortex compressor Download PDFInfo
- Publication number
- CN1222694C CN1222694C CN 01144277 CN01144277A CN1222694C CN 1222694 C CN1222694 C CN 1222694C CN 01144277 CN01144277 CN 01144277 CN 01144277 A CN01144277 A CN 01144277A CN 1222694 C CN1222694 C CN 1222694C
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- Prior art keywords
- roller
- orbiting scroll
- movable orbiting
- main frame
- eccentric part
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Abstract
The present invention relates to a device for preventing autorotation of a scroll compressor, which belongs to a device for preventing autorotation of a scroll compressor utilizing a coupled wheel structural mode. The present invention comprises a main frame, a fixed scroll disk, a movable scroll disk and a component for preventing autorotation, wherein a rotary shaft is arranged in the main frame, the fixed scroll disk is fixed on the main frame, and the movable scroll disk is installed on the rotary shaft; the component for preventing autorotation is installed on the movable scroll disk arrange on the main frame or between the main frame and the movable scroll disk or between the movable scroll disk and the fixed scroll disk. The for preventing autorotation comprises an eccentrical part and a slide part, and the eccentric part and the movable scroll disk have the same eccentric direction of the rotary shaft. The present invention has the advantage that the rotary shaft of the movable scroll disk can change with the pressure space, and abrasion and the ageing of componient of a rotary scroll shaft, the fied scroll disk plate and the movable scroll disk plate.
Description
Technical field
The present invention relates to scroll compressor, particularly a kind of scroll compressor prevents rotating device.
Background technique
Well-known scroll compressor is by blocking the machine that gas is rotated pressurized gas between two vortex discs.As shown in Figure 1, scroll compressor has static vortex disk 1 and movable orbiting scroll 2, and the movable orbiting scroll sheet 2a of above-mentioned movable orbiting scroll 2 engages vis-a-vis with the static vortex disk sheet 1a of static vortex disk 1; 2 pairs of static vortex disks 1 of movable orbiting scroll are rotated vis-a-vis, the movable orbiting scroll sheet 2a of movable orbiting scroll 2 and static vortex disk 1 decide between the misfortune disc 1a to form compression volume P1 and P2; Dielectric gas in compression volume P1 and the P2, moves to the center of compression volume P1 and P2 continuously during rotation at movable orbiting scroll 2, is compressed because of the volume of compression volume dwindles dielectric gas gradually.1b is the dielectric gas suction port in the drawing; 1c is an exhaust port; The 4th, running shaft; The 5th, slide bushing.In order to allow movable orbiting scroll 2 normally rotate, be equipped with between the main frame 3 of movable orbiting scroll 2 and support movable orbiting scroll 2 and prevent rotating device 10---------steel pad lock or coupling ball or coupling wheel.
Shown in Fig. 2 a, because 11 pin 11a inserts in the cotter way 2b of movable orbiting scroll 2 respectively and in the cotter way 3a of main frame 3.So it is big to produce the possibility of wearing and tearing between pin 11a and cotter way 2b and the cotter way 3a, the contrary rotation torque of particularly asymmetric vortex axle is when movable orbiting scroll 2, and the wearing and tearing between above-mentioned pin 11a and cotter way 2b and the cotter way 3a are even more serious.On the contrary, shown in Fig. 2 b, contact with the ball 12a of the coupling ball 12 that flows and rotate respectively in the slot part 2c of movable orbiting scroll 2 and in the slot part 3b of main frame 3, can reduce between them and wear and tear, but ball 12a can not adapt to the contrary rotation torque of asymmetric vortex axle equally, because ball 12a is all the time along with the revolving grate of movable orbiting scroll 2 is rotated, so can not adapt to variable turning radius scroll compressor.Shown in Fig. 2 c, take turns 13 wheel 13a with rotatable coupling respectively in the slot part 2d of movable orbiting scroll 2 and in the slot part 3c of main frame 3 and contact, can reduce wear and be adapted to the contrary rotation torque of asymmetric vortex axle.But wheel 13a is equally all the time along with the revolving grate of movable orbiting scroll 2 is rotated, so can not adapt to variable turning radius scroll compressor equally.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, and a kind of contrary rotation torque that can overcome the asymmetric vortex axle of scroll compressor is provided, and can adapt to the device that prevents the movable orbiting scroll rotation of variable turning radius scroll compressor structure simultaneously again.
The technical solution adopted for the present invention to solve the technical problems is: a kind of scroll compressor prevent rotating device, its structure mainly includes main frame, static vortex disk, movable orbiting scroll and preventing from rotation member, running shaft is housed in the main frame, static vortex disk is fixed on the main frame, movable orbiting scroll is contained in the eccentric end of running shaft, the moving vortex face of movable orbiting scroll and static vortex disk to decide the vortex face corresponding and form a plurality of compression volumes together, be equipped with at one of them place between main frame and the movable orbiting scroll and between movable orbiting scroll and static vortex disk and prevent more than at least two from rotation member, this prevents to include from rotation member the 1st roller and the 2nd roller that sliding-groove is arranged of eccentric part, the off-centre of the 1st roller eccentric part is consistent with the eccentric direction of running shaft with movable orbiting scroll, and offset equates, the 1st roller eccentric part slides in the 2nd roller sliding-groove, fixes the elastic member of the eccentric part slip of restriction the 1st roller in the sliding-groove of the 2nd roller on the side radius of arc position.
The invention has the beneficial effects as follows: by fixing preventing of to be rotated more than two between main frame and the movable orbiting scroll or between static vortex disk and the movable orbiting scroll, make movable orbiting scroll when sliding, can revolve round the sun from rotation member; Prevented because of movable orbiting scroll and main frame and the wearing and tearing that friction produced that prevent from rotation member; And the turning radius of movable orbiting scroll can change along with the variation of the pressure in the compression volume, has prevented to be made vortex axle, static vortex disk sheet and movable orbiting scroll sheet produce the aging of wearing and tearing and parts because of gas by excessive compression.
Description of drawings
Fig. 1 is the sectional view of prior art scroll compressor press part;
Fig. 2 a, Fig. 2 b and Fig. 2 c are the oblique drawings that prevents rotating device of prior art scroll compressor;
Fig. 3 is an oblique drawing of the present invention;
Fig. 4 is a sectional view of the present invention;
Fig. 5 is the sectional view of Fig. 4 " I-I " line;
Fig. 6 is that the present invention prevents the oblique drawing from rotation member;
Fig. 7 is the oblique drawing from rotation member of preventing of the flexible parts of the present invention;
Fig. 8 is the sectional view of first embodiment of the invention;
Fig. 9 is second an embodiment's of the present invention sectional view.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further specified: the structure that prevents rotating device of scroll compressor of the present invention comprises main frame 10, movable orbiting scroll 200 and prevents from rotation member 300.Static vortex disk 1 is fixed on the main frame 100; Movable orbiting scroll 200 can carry out relative rotatablely moving with static vortex disk 1 identically on main frame 100; Prevent from rotation member 300 can be contained in movable orbiting scroll 200 and main frame 100 between, prevent from can also be contained between movable orbiting scroll 200 and the static vortex disk 1 from rotation member 300, make the revolution of can sliding of any radial direction of 200 pairs of main frames 100 of movable orbiting scroll.Be positioned at same direction in each off-centre that prevents the eccentric part 310 in rotation member.Each prevents that the slip surface of the slide part 320 in rotation member all is in same direction.Each prevents that the position in rotation member all is in apart from movable orbiting scroll 200) on the same radial location in center.On the circumferential surface above the main frame 100 among the present invention with a plurality of the 1st swivelling chutes 110 of equidistant distribution, in the drawing be 3, being inserted with rotatable preventing on the circumference of the 1st roller 3100 movable orbiting scrolls 200 compass bottom surfaces of rotation member 300 in the 1st swivelling chute 110 is 3 the 2nd swivelling chutes 210 in the drawing, the shape of the 1st roller 310 and above-mentioned the 2nd roller 320 is positive circular cross sections, so the same just circle that requires of the shape of the 1st swivelling chute 110 and the 2nd swivelling chute 210.The compass portion bottom surface of movable orbiting scroll 200 is formed with shaft sleeve part 200b, is inserted with the drive end 4a of running shaft 4 in the shaft sleeve part 200b, is combined with the rotary liner (not showing in the drawing) that can slide in the inner peripheral surface of shaft sleeve part 200b.The drive end 4a outer peripheral surface of running shaft 4 and between the inner peripheral surface of corresponding rotary liner slide bushing 5 is arranged with it can rotate movable orbiting scroll 200.When the pressure in the pressing chamber is excessive, retreat to radial direction in order to make movable orbiting scroll 200, slide bushing 5 rotates on the drive end 4a of running shaft 4 and slides.
Prevent to comprise the 1st roller 310 and the 2nd roller 320 from rotation member 300.The 1st roller 310 is engaged in the 1st swivelling chute 110 of main frame 100 slidably; The 2nd roller 320 is engaged in the 2nd swivelling chute of movable orbiting scroll 200 rotatably.The 1st roller 310 comprises connecting part 311 and eccentric part 312.Connecting part 311 is solid cylindric, inserts in the 1st swivelling chute 110 of main frame 100; Eccentric part 312 be positioned at connecting part 311 above, the offset of eccentric part 312 is identical with the offset of drive end 4a, is cut along eccentric direction eccentric part 312 bi-side and forms slip surface 312a.There is sliding-groove 321 at the center of the 2nd roller 320, is inserted with the slidably eccentric part 312 of the 1st roller 310 in the sliding-groove 321; There is the contacted slip surface 321a with the slip surface 312a of eccentric part 312 inboard, both sides of sliding-groove 321.
As shown in Figure 7, the side in the sliding-groove 321 of above-mentioned the 2nd roller 320 is fixed with elastic member 330, because elastic member 330 is fixed on the position of a side radius of arc in the sliding-groove 321, so limited the slip of the 1st roller 310 to a certain extent.
Unaccounted symbol: 1a is the static vortex disk sheet of static vortex disk among Fig. 4; 1b is a suction port; 1c is an exhaust port.
In the drawing for prior art in identical part adopt same symbol.
Below, the operation process of scroll compressor of the present invention is described: connect power supply, make motor and running shaft 4 rotations; Because wobbler action, movable orbiting scroll 200 also is rotated, and movable orbiting scroll 200 can prevent rotation by the 1st roller 310 and the 2nd roller 320 that is installed between main frame 100 and the movable orbiting scroll 200, but is rotated according to certain track.In above-mentioned operation process, the compression volume that forms between the movable orbiting scroll sheet 200a of the static vortex disk sheet 1a of static vortex disk 1 and movable orbiting scroll 200 moves to the center of rotation continuously, the volume of compression volume dwindles gradually simultaneously, the dielectric gas that is inhaled in the above-mentioned compression volume is compressed, and discharges then.Flow into the interior dielectric gas of above-mentioned compression volume when keeping normal state, it is that position farthest, center is rotated that slide bushing 5 is shifted onto apart from drive end 4a by centrifugal force; Movable orbiting scroll 200 is rotated by the radius distance that above-mentioned slide bushing 5 is pulled to farthest equally, and the movable orbiting scroll sheet 200a that makes movable orbiting scroll 200 and the static vortex disk sheet 1a of static vortex disk 1 face mutually contact, so their both sides form airtight compression volume.If flow into when containing certain amount of fluid medium and machine oil and other foreign matters in the dielectric gas in the compression volume, the pressure in the compression volume is risen improperly, so the promotion of movable orbiting scroll 200 by gas pressure retreats to radial direction; So the movable orbiting scroll sheet 200a of movable orbiting scroll from the static vortex disk sheet 1a of static vortex disk 1 separately after, compression volume is opened mutually, and pressurized gas is moved to the low voltage side compression volume from the high pressure side compression volume, so prevented the excessive compression of compression volume.As mentioned above, when the rotating force of running shaft 4 was delivered to movable orbiting scroll 200, movable orbiting scroll 200 can revolve round the sun from rotation member by preventing; Movable orbiting scroll 200 is when being rotated, excessive gas pressure retreats to radial direction in the space because of being compressed, because the sliding-groove 321 of the 2nd roller 320 that is combined in movable orbiting scroll 200 bottom surfaces is along with the slip surface 312a that is combined in the 1st roller 310 eccentric parts 312 above the main frame 100 slides to any direction, so the turning radius of movable orbiting scroll 200 is variable.
Below, the rotating device that prevents of first embodiment's scroll compressor of the present invention is described: Figure 8 shows that first embodiment of the present invention: the 1st roller 310 is equipped with in the bottom surface of this movable orbiting scroll 200; The slip surface 321a that the 2nd roller 320, the 2 rollers 320 are housed above the main frame 100 combines with the eccentric part 312 of the 1st roller 310.Executing in the example in front is equipped with the 1st roller 310 on main frame 100; In movable orbiting scroll 200 bottom surfaces the 2nd roller 320 is housed.Embodiments of the invention are compared with the embodiment of front, just will have the roller and the mutual reversing of position of roller that has the slip surface that combines with eccentric part of eccentric part, and remaining operation process and action effect and above-mentioned example are identical.
Below, the rotating device that prevents of second embodiment's scroll compressor of the present invention is described: all be in all above-mentioned embodiment of the invention preventing to be fixed between above-mentioned main frame 100 and the above-mentioned movable orbiting scroll 200 from rotation member 300; Be illustrated in figure 9 as second embodiment of the present invention, this prevents to be fixed between movable orbiting scroll 200 and the static vortex disk 1 from rotation member 300.The connecting part 311 that is formed with the 1st swivelling chute 230, the 1 rollers 310 on the movable orbiting scroll 200 can be inserted in the 1st swivelling chute 230 with being rotated; With movable orbiting scroll 200 corresponding static vortex disks 1 on the 2nd swivelling chute 1d is housed, be inserted with the 2nd roller 320 that matches and can be rotated with the eccentric part 312 of the 1st roller 310 in the 2nd swivelling chute Id.In addition, shape is identical in the shape of the 1st roller 310 and the 2nd roller 320 and the above embodiments; Slip surface (not having symbol in the drawing) is arranged on the eccentric part 312 of the 1st roller 310, be formed with in the 2nd roller 320 and the corresponding sliding-groove 321 of slip surface; Movable orbiting scroll 200 is when being subjected to excessive gas pressure, because the eccentric part 312 of the 1st roller 310 can slide in the sliding-groove 321 of the 2nd roller 320, so movable orbiting scroll 200 can retreat to radial direction.
As seen prevent from rotation member above-mentioned, be installed between main frame and movable orbiting scroll or static vortex disk and the movable orbiting scroll, can effectively prevent the rotation of movable orbiting scroll, can avoid wearing and tearing because of the contrary rotation torque generation of asymmetric vortex axle; And prevent from the turning radius of movable orbiting scroll is rotated changeably, so prevented to cause the wearing and tearing of static vortex disk sheet and movable orbiting scroll sheet and wearing out of parts because of excessive compression to compression volume from rotation member.
Claims (7)
1, a kind of scroll compressor prevent rotating device, its structure mainly includes main frame, static vortex disk, movable orbiting scroll and preventing from rotation member, running shaft is housed in the main frame, static vortex disk is fixed on the main frame, movable orbiting scroll is contained in the eccentric end of running shaft, the moving vortex face of moving misfortune dish and static vortex disk to decide the vortex face corresponding and form a plurality of compression volumes together, be equipped with between main frame (100) and the movable orbiting scroll (200) and one of them place between movable orbiting scroll (200) and static vortex disk (1) and prevent more than at least two from rotation member (300), this prevents the 2nd roller (320) that includes the 1st roller (310) of eccentric part and sliding-groove is arranged from rotation member (300), the off-centre of the 1st roller (310) eccentric part is consistent with the eccentric direction of running shaft (4) with movable orbiting scroll (200), and offset equates, the 1st roller (310) eccentric part slides in the 2nd roller (320) sliding-groove, it is characterized in that fixing on the side radius of arc position in the sliding-groove (321) of the 2nd roller (320) elastic member (330) that the eccentric part (312) of restriction the 1st roller (310) slides.
2,, it is characterized in that being positioned at same direction in each off-centre that prevents the 1st roller (310) eccentric part in rotation member according to the rotating device that prevents described in the claim 1.
3,, it is characterized in that each sliding-groove (321) slip surface that prevents the 2nd roller (320) in rotation member is positioned at same direction according to the rotating device that prevents described in the claim 1
4,, it is characterized in that each prevents that the position in rotation member all is on the same radial location in movable orbiting scroll (200) center according to the rotating device that prevents described in the claim 1.
5, according to the rotating device that prevents described in the claim 1, it is characterized in that preventing forming by the 1st roller (310) and the 2nd roller (320) from rotation member, the 1st roller (310) includes connecting part (311) and eccentric part (312), its connecting part (311) is contained in main frame (100) and one of them parts of static vortex disk (1), and its eccentric part (312) is on connecting part (311); The 2nd roller (320) is contained on the movable orbiting scroll (200), in the sliding-groove (321) on the 2nd roller (320) eccentric part (312) is housed.
6, according to the rotating device that prevents described in the claim 1, it is characterized in that preventing forming by the 1st roller (310) and the 2nd roller (320) from rotation member, the 1st roller (310) includes connecting part (311) and eccentric part (312), its connecting part (311) is contained on the movable orbiting scroll (200), and its eccentric part (312) is on connecting part (311); The 2nd roller (320) is contained in main frame (100) and one of them parts of static vortex disk (1), in the sliding-groove (321) on the 2nd roller (320) eccentric part (312) is housed.
7,, it is characterized in that fixing on the position of a side radius of arc in the sliding-groove (321.) on the 2nd roller (320) elastic member (330) that the eccentric part (312) of restriction the 1st roller (310) slides according to the rotating device that prevents described in the claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144277 CN1222694C (en) | 2001-12-17 | 2001-12-17 | Device for preventing autorotation of vortex compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144277 CN1222694C (en) | 2001-12-17 | 2001-12-17 | Device for preventing autorotation of vortex compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1427160A CN1427160A (en) | 2003-07-02 |
| CN1222694C true CN1222694C (en) | 2005-10-12 |
Family
ID=4677445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01144277 Expired - Fee Related CN1222694C (en) | 2001-12-17 | 2001-12-17 | Device for preventing autorotation of vortex compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1222694C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455952C (en) * | 2006-03-23 | 2009-01-28 | 浙江惟思特科技有限公司 | Oil-free vortex air conditioner compressor |
| US9523361B2 (en) | 2011-01-11 | 2016-12-20 | Lg Electronics Inc. | Scroll compressor having back pressure chamber that operatively contains a discharge pressure and an intermediate pressure during different periods of time within a single compression cycle |
| KR101368396B1 (en) * | 2011-11-09 | 2014-03-03 | 엘지전자 주식회사 | Scroll compressor |
| KR101300261B1 (en) | 2011-11-09 | 2013-08-23 | 엘지전자 주식회사 | Scroll compressor |
| CN103216446A (en) * | 2013-05-15 | 2013-07-24 | 力达(中国)机电有限公司 | Vortex-type air compressor of novel orbiting scroll translation mechanism |
| CN104747439B (en) * | 2013-12-31 | 2017-08-01 | 丹佛斯（天津）有限公司 | Screw compressor |
| WO2017128959A1 (en) * | 2016-01-29 | 2017-08-03 | 艾默生环境优化技术(苏州)有限公司 | Scroll assembly and scroll equipment comprising scroll assembly |
-
2001
- 2001-12-17 CN CN 01144277 patent/CN1222694C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1427160A (en) | 2003-07-02 |
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Granted publication date: 20051012 Termination date: 20151217 |
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| EXPY | Termination of patent right or utility model |