CN103185008B - transmission mechanism of scroll compressor - Google Patents
transmission mechanism of scroll compressor Download PDFInfo
- Publication number
- CN103185008B CN103185008B CN201110449755.6A CN201110449755A CN103185008B CN 103185008 B CN103185008 B CN 103185008B CN 201110449755 A CN201110449755 A CN 201110449755A CN 103185008 B CN103185008 B CN 103185008B
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- Prior art keywords
- eccentric
- groove
- main shaft
- pin
- drive mechanism
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Abstract
It is an object of the invention to provide a kind of transmission mechanism of scroll compressor, its handling ease.For realizing the drive mechanism of the scroll compressor of described purpose, including main shaft that is driven and that rotate；The eccentric adjacent with described main shaft；It is characterized in, two ends that described eccentric is relative with described main shaft are respectively provided with groove and boss, described groove and the mutual tabling of described boss and can driving torque, this end of main shaft is further opened with axial hole, pin-and-hole is offered in this end of eccentric, selling through described axial hole and described pin-and-hole, to connect described eccentric and described main shaft at axial restraint, described pin-and-hole is the centre bore of eccentric.
Description
Technical field
The present invention relates to transmission mechanism of scroll compressor.
Background technology
The compression assembly of scroll compressor includes movable orbiting scroll and fixed scroll, engages each other thus crosses multiple compression
Chamber.Fixed scroll keeps static, and movable orbiting scroll is driven by main shaft makees eccentric rotary, and peripheral compression chamber gradually moves to center
Volume-diminished simultaneously.During by external force transmission, turning moment is delivered to move through main shaft, cam pin, eccentric and bearing
Whirlpool dish, makes movable orbiting scroll curl up spindle axis and rotates with fixed star formula.
The Chinese publication of Application No. CN91103977.5, patent discloses the transmission of a kind of screw compressor
Mechanism, with reference to shown in Fig. 1, in the drive mechanism of screw compressor, main shaft 5 end face stretches out cam pin integratedly
53, the alignment of shafts is deviateed at its center, and cam pin 53, with flat position, will be pruned both sides, and it inserts eccentric 54
Chute 55 in, there is gap in chute 55 two and cam pin 53, it is allowed between chute 55 and cam pin 53
Produce small movement, i.e. allow movable orbiting scroll to produce small moving radially, to regulate between movable orbiting scroll and fixed scroll
Contingent clamping.Cam pin 53 end is fixed on eccentric 54 with a back-up ring 85, prevent motion time two
Person is separated from.
The diameter of cam pin 53 about only has 10mm, and it designs with flat position, and therefore it can contact with back-up ring 85
Area less, as shown in Figure 2.Not only assembly difficulty is big, and reliability is the most not enough.Secondly, cam pin 53
Cylindrical is the most concentric with main shaft, needs clamping at twice, and the difficulty of processing of cam pin 53 is big.
Summary of the invention
It is an object of the invention to provide a kind of transmission mechanism of scroll compressor, its handling ease.
For realizing the drive mechanism of the scroll compressor of described purpose, including main shaft that is driven and that rotate；With institute
State the eccentric that main shaft is adjacent；Being characterized in, two ends that described eccentric is relative with described main shaft are respectively provided with
Groove and boss, described groove and the mutual tabling of described boss and can driving torque, this end of main shaft is further opened with
Axial hole, this end of eccentric is offered pin-and-hole, is sold through described axial hole and described pin-and-hole, with the most solid
Surely connecting described eccentric and described main shaft, described pin-and-hole is the centre bore of eccentric.
The drive mechanism of described scroll compressor, its further feature is, described groove is groove.
The drive mechanism of described scroll compressor, its further feature is that described groove is formed at described master
On the end face of the described end of axle, described boss is formed on the end face of described end of described eccentric.
The drive mechanism of described scroll compressor, its further feature is that described boss is formed at described master
On the end face of the described end of axle, described groove is formed on the end face of described end of described eccentric.
The drive mechanism of described scroll compressor, its further feature is, described pin and the axle of described main shaft
To hole thread connection or interference fit.
The drive mechanism of described scroll compressor, its further feature is, described groove is dovetail groove, institute
State the most dovetail-shape shape of boss.
The drive mechanism of described scroll compressor, its further feature is, described pin and described eccentric riveting
Connect.
The drive mechanism of described scroll compressor, its further feature is, described boss height is less than described
Depth of groove；The gap in described boss and described recess width direction is less than the gap of described pin with described pin-and-hole.
The drive mechanism of described scroll compressor, its further feature is, between described pin and described axial hole
Gap coordinates, and both gaps are more than the gap of described boss with described recess width direction.
The drive mechanism of described scroll compressor, its further feature is, described pin run through described boss and
Described groove.
By pin axial restraint connecting eccentric wheel and main shaft, simultaneously by groove and boss even transmission moment of torsion, it is achieved thereby that
Existing cam pin and the function of chute, and due to independent pin processing easily, its precision is also easily controlled；
The pin-and-hole of spindle nose, groove or boss completely can be to complete processing, its difficult processing after work in-process heart clamped one time
Degree is less than the cam pin of prior art, and therefore in manufacturing process, the drive mechanism of the present invention is better than prior art.
It is formed at the size of the groove on main shaft and eccentric end and boss much larger than cam pin and chute in prior art
Size, therefore contact area during transmission is also much larger than cam pin and chute, therefore adds stablizing in work
Property, reliability.
Accompanying drawing explanation
Fig. 1 is the sectional view of prior art screw compressor.
Fig. 2 is the top view of cam pin in Fig. 1.
Fig. 3 is the sectional view of embodiments of the invention 1 screw compressor.
Fig. 4 is the axonometric chart of the drive mechanism of embodiments of the invention 1.
Fig. 5 is the right view of the drive mechanism of embodiments of the invention 1.
Fig. 6 and Fig. 7 is the sectional view of the drive mechanism of embodiments of the invention 1, and the drive mechanism in Fig. 7 is figure
The change case of the drive mechanism in 6.
Fig. 8 is the decomposition view of the drive mechanism of embodiments of the invention 2.
Detailed description of the invention
As it is shown on figure 3, the housing of screw compressor is built with drive mechanism and compression mechanism.Housing is generally closed by aluminum
Gold copper-base alloy is made, and is used for installing and accommodate drive mechanism, compression mechanism etc., and is fixed on external agency.Common
Screw compressor housing comprises front end housing 1, cylinder body 2, back cylinder cover 3 etc., and cylinder body 2 can be formed integrally with fixed scroll.
Electronic whirlpool plate compressor housing then comprise motor cylinder body, the central housing supporting power transmission shaft, accommodate whirlpool dish cylinder body,
The (not shown)s such as bonnet.
As shown in Figures 3 to 5, drive mechanism will turn to make movable orbiting scroll 10 in main shaft from outside torque axis
Heart line O1 makees the power of eccentric operating.The end face of main shaft 20 offers groove 21, and the centrage O2 of groove 21 is inclined
From spindle centerline O1, length direction through main shaft 20 end face of groove 21, it is groove, the shape of groove 21
Become simpler.The position of the disalignment O1 of main shaft 20 end face is further opened with axial hole 22.Eccentric 13
Having the end face relative with main shaft 20 and be provided with boss 14, the centrage O3 of boss 14 is through eccentric 13
Axial line O4, pin-and-hole 15 is offered at eccentric 13 center.Between boss 14 with groove 21 chimeric, be used for transmitting
Moment of torsion, the width of groove 21 is of substantially equal with boss 14 width.Boss 14 can be at the length direction of groove 21
A certain amount of sliding of upper generation, for finely tuning the position of movable orbiting scroll 10.Boss 14 height is 3mm-10mm,
Groove 21 degree of depth is equal or slightly larger than boss 14 height, main shaft 20 end face and eccentric 13 end contact.Pin
23 through axial hole 22 and pin-and-hole 15, pin 23 and axial hole 22 interference fit, and gap between pin-and-hole 15
Coordinating, pin 23 is 2-3mm with the diameter difference of pin-and-hole 15.Bearing 19 is contained in outside eccentric 13.Pin 23 is with inclined
The opposite side end face of heart wheel 13 rivets fixing mutually, forms caulking part 24.Balance weight 18 is fixed on outside eccentric 13,
For offsetting the amount of unbalance produced in movable orbiting scroll 10 eccentric operating.
During assembling, first the front end of pin 23 is pressed fit into axial hole 22, by pin-and-hole 15 alignment pin 22, from pin 23
Rear end loads eccentric 13, and boss 14 just loads in groove 21 simultaneously, the rear end of punch pin 23, forms riveting
Meet portion 24.
The low-pressure gas sucked from air conditioner loop is compressed into gases at high pressure by compression mechanism, mainly comprises fixed scroll 9
With movable orbiting scroll 10.Fixed scroll 9 and housing keep static, and two whirlpool dishes 9,10 engage each other, and surround into multiple
Close space dynamically.Movable orbiting scroll 10 under the drive of main shaft 20 and the restriction of groove 21 around main shaft 20 center
Line O1 operates, and closes space and is moved by whirlpool dish outer circumference center, and volume is gradually reduced, and compression is closed in space
Gas.
Movable orbiting scroll 10 has end plate 11, and end plate 11 center has bulge loop 12, peace in the bulge loop 12 of movable orbiting scroll 10
Dress bearing 19.When main shaft 20 rotates, groove 21 drives boss 14, and then drives movable orbiting scroll 10 to make eccentric operating.
More satisfactory state is that boss 14 keeps constant relative position, yet with movable orbiting scroll 10 by it with groove 21
In the gas pressure of direction change, inevitably have around eccentric centrage O4, namely movable orbiting scroll 10
The trend that centrage rotates.In order to prevent the rotation of movable orbiting scroll 10, between movable orbiting scroll 10 and housing, annular is arranged
Multipair rotation-preventing mechanism 30.
Embodiment 2
As shown in Figure 8, groove 21 is formed on eccentric 13 end face, and boss 14 is formed at main shaft 20 end face,
Both are chimeric.Length direction through eccentric 13 end face of groove 21, for groove；The length direction of groove 21
Through main shaft 20 end face.
Than the above described, the axial hole 22 of pin 23 and main shaft 20 also can be fixed with threaded connection mode,
As shown in Figure 6.
As it is shown in fig. 7, groove 21 can be set to dovetail groove, boss 14 is corresponding shape, wedges groove 21.
Make use of this structure, it may not be necessary to pin 23 is riveted.
Claims (10)
1. a drive mechanism for scroll compressor, including main shaft that is driven and that rotate；Adjacent with described main shaft
The eccentric connect；It is characterized in that, two ends that described eccentric is relative with described main shaft be respectively provided with groove and
Boss, described groove and the mutual tabling of described boss and can driving torque, this end of main shaft is further opened with axial hole,
Pin-and-hole is offered in this end of eccentric, sells through described axial hole and described pin-and-hole, to connect institute at axial restraint
Stating eccentric and described main shaft, described groove is groove, described pin and described axial hole matched in clearance.
2. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described pin-and-hole is
The centre bore of eccentric.
3. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described groove type
On the end face of the described end of main shaft described in Cheng Yu, described boss is formed at the end face of the described end of described eccentric
On.
4. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described boss shape
On the end face of the described end of main shaft described in Cheng Yu, described groove is formed at the end face of the described end of described eccentric
On.
5. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described pin and institute
State axial hole thread connection or the interference fit of main shaft.
6. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described groove is
Dovetail groove, the most dovetail-shape shape of described boss.
7. the drive mechanism of the scroll compressor as described in claim 3 or 4, it is characterised in that described pin
Rivet with described eccentric.
8. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described boss is high
Degree is less than described depth of groove；Described boss is less than described pin and described pin-and-hole with the gap in described recess width direction
Gap.
9. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that both gaps
Gap more than described boss Yu described recess width direction.
10. the drive mechanism of scroll compressor as claimed in claim 1, it is characterised in that described pin runs through
Described boss and described groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449755.6A CN103185008B (en) | 2011-12-28 | 2011-12-28 | transmission mechanism of scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110449755.6A CN103185008B (en) | 2011-12-28 | 2011-12-28 | transmission mechanism of scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185008A CN103185008A (en) | 2013-07-03 |
| CN103185008B true CN103185008B (en) | 2016-09-28 |
Family
ID=48676386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110449755.6A Expired - Fee Related CN103185008B (en) | 2011-12-28 | 2011-12-28 | transmission mechanism of scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103185008B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0498163A1 (en) * | 1991-02-04 | 1992-08-12 | Tecumseh Products Company | Scroll compressor |
| JPH05231358A (en) * | 1992-02-21 | 1993-09-07 | Nippon Soken Inc | Scroll type compressor |
| JPH09242682A (en) * | 1996-03-01 | 1997-09-16 | Asuka Japan:Kk | Motor direct connected scroll fluid machinery |
| CN2584882Y (en) * | 2002-12-12 | 2003-11-05 | 庞守美 | Vortex air-conditioning compressor with anti-self-rotation and flexible mechanism |
| CN201339576Y (en) * | 2008-12-29 | 2009-11-04 | 上海三电贝洱汽车空调有限公司 | Anti-friction mechanism of scroll compressor |
| CN201513480U (en) * | 2009-09-29 | 2010-06-23 | 中煤张家口煤矿机械有限责任公司 | Limiting type gear coupling |
-
2011
- 2011-12-28 CN CN201110449755.6A patent/CN103185008B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0498163A1 (en) * | 1991-02-04 | 1992-08-12 | Tecumseh Products Company | Scroll compressor |
| JPH05231358A (en) * | 1992-02-21 | 1993-09-07 | Nippon Soken Inc | Scroll type compressor |
| JPH09242682A (en) * | 1996-03-01 | 1997-09-16 | Asuka Japan:Kk | Motor direct connected scroll fluid machinery |
| CN2584882Y (en) * | 2002-12-12 | 2003-11-05 | 庞守美 | Vortex air-conditioning compressor with anti-self-rotation and flexible mechanism |
| CN201339576Y (en) * | 2008-12-29 | 2009-11-04 | 上海三电贝洱汽车空调有限公司 | Anti-friction mechanism of scroll compressor |
| CN201513480U (en) * | 2009-09-29 | 2010-06-23 | 中煤张家口煤矿机械有限责任公司 | Limiting type gear coupling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185008A (en) | 2013-07-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Shanghai City 200025 Madang Road No. 347 Applicant after: SANDEN HUAYU AUTOMOTIVE AIR-CONDITIONING CO., LTD. Address before: 200025 Shanghai city Luwan District Madang Road No. 347 Applicant before: Sandian Beier Automobile Air-Conditioner Co., Ltd., Shanghai |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20171228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |