CN202707486U - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN202707486U CN202707486U CN 201220304085 CN201220304085U CN202707486U CN 202707486 U CN202707486 U CN 202707486U CN 201220304085 CN201220304085 CN 201220304085 CN 201220304085 U CN201220304085 U CN 201220304085U CN 202707486 U CN202707486 U CN 202707486U
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- China
- Prior art keywords
- scroll
- slip ring
- oil
- keys
- cross
- 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
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- 238000002360 preparation method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 43
- 239000010687 lubricating oil Substances 0.000 description 17
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002199 base oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- Rotary Pumps (AREA)
Abstract
The utility model provides a scroll compressor which comprises a scroll base, a cross slip ring connected with the scroll base in a sliding manner, a movable scroll disk connected with the cross slip ring in a sliding manner, and a static scroll disk connected with the movable scroll disk in a sliding manner, wherein a pair of cross slip ring keys is symmetrically arranged on the axial direction of the cross slip ring, and oil communication parts are symmetrically arranged on the cross slip ring keys. The scroll compressor provided by the utility model has the advantages of effectively reducing the oil resistance of the cross slip ring in a moving process, reducing the energy consumption of the compressor, decreasing the abrasion and the noise of the parts, and avoiding overturning and torsion of the cross slip ring.
Description
Technical Field
The utility model relates to a scroll compressor.
Background
With the development of society, as a necessity of life, an air conditioner is slowly entering each family, the requirements of users on the air conditioner are higher and higher, particularly the requirements on performance and service life, and a compressor is the key of the air conditioner, and the performance of the air conditioner is determined to a great extent by the advantages and disadvantages of the compressor.
The scroll compressor is a novel positive displacement compressor developed in the 80 s of the 20 th century, has the characteristics of high efficiency, small volume, light weight, low noise, simple structure, stable operation and the like, and is widely applied to equipment such as air conditioners, refrigeration, air compression and the like.
The compression mechanism of the scroll compressor generally comprises a movable scroll and a fixed scroll, wherein the fixed scroll is fixed with a scroll base, the movable scroll is driven by a crankshaft to perform revolution translation, and scroll teeth on the two scrolls are meshed in multiple points to form a plurality of groups of crescent closed working cavities. In order to prevent the orbiting scroll from rotating, a rotation prevention mechanism is required. The anti-spin mechanism is typically a cross-slip ring with four rectangular keys, two pairs of which extend in opposite directions from a ring. Lubricating oil flows upwards to the bottom end of the movable scroll along a through hole in the crankshaft under the action of the oil pump, wherein one part of the lubricating oil flows downwards along an oil groove designed on the outer side of the crankshaft, and the movable scroll bearing and the scroll base bearing are lubricated in the process; one part enters the back pressure cavity through the oil through hole of the movable scroll plate to lubricate the cross slip ring and relevant moving parts.
On the other hand, an oil pump is arranged at the lower end of the crankshaft, lubricating oil is sucked into a through hole of the crankshaft under the action of the oil pump and upwards reaches the shaft part at the lower end of the movable scroll plate, and a part of lubricating oil flows back to the bottom of the compressor along the crankshaft, so that the movable scroll plate bearing and the scroll base bearing are lubricated; part of lubricating oil upwards lubricates the contact surface of the movable scroll and the fixed scroll through an oil through hole on the movable scroll, and plays a role in sealing at the same time, so that gas is effectively compressed; and part of lubricating oil enters a cavity between the movable scroll plate and the scroll base downwards through the oil through hole of the movable scroll plate to lubricate the cross slip ring and other sliding parts.
In the compressor structure in the prior art, when the compressor runs normally, the cross slip ring is completely immersed in lubricating oil and reciprocates along the vortex base key groove and the movable vortex plate key groove, and the cross slip ring can be subjected to the resistance action of the lubricating oil in the motion process, so that the load of a crankshaft is increased, and the energy consumption of the compressor is increased; meanwhile, the movement of the cross slip ring drives the lubricating oil to flow and impact the side walls of the vortex base key groove and the movable vortex plate key groove, so that the abrasion of the side walls is accelerated, and the service life of the key groove is shortened; some lubricating oil escapes through the gap between the cross slip ring and the key groove, which may cause the cross slip ring to vibrate axially and tangentially, thereby increasing the wear and noise of the parts, reducing the service life of the parts, and increasing the inclination of the movable scroll to overturn and twist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a scroll compressor has reduced scroll compressor's cross sliding ring and has hindered the oil that produces in the motion process.
The utility model provides a pair of scroll compressor, include: a vortex base; the cross slip ring is connected with the vortex base in a sliding mode; the movable scroll plate is connected with the cross slip ring in a sliding manner; the fixed scroll is connected with the movable scroll in a sliding mode; the oil-feeding device comprises a cross slip ring, a pair of cross slip ring keys and oil-feeding parts, wherein the cross slip ring is axially and symmetrically provided with the cross slip ring keys respectively, and the oil-feeding parts are symmetrically arranged on the cross slip ring keys.
Furthermore, the oil passing part is an oil passing hole arranged on the cross slip ring key.
Furthermore, the oil through hole is a circular through hole.
Furthermore, each cross-shaped sliding ring key is provided with one or more oil through holes, and the corresponding oil through holes on the symmetrical cross-shaped sliding ring keys are symmetrical.
Further, the oil passing part is an oil passing groove formed in the side wall of the cross-shaped slip ring key.
Furthermore, the cross section of the oil through groove is arc-shaped.
Furthermore, each cross-shaped sliding ring key is provided with one or more oil through grooves, and corresponding oil through grooves on symmetrical cross-shaped sliding ring keys are symmetrical.
Furthermore, the cross slip ring key comprises a pair of vortex base keys and a pair of movable vortex plate keys, the vortex base keys are symmetrically arranged, the vortex base keys are symmetrically provided with a pair of vortex base key grooves, the movable vortex plate keys are symmetrically provided with a pair of movable vortex plate key grooves, the vortex base keys are in sliding fit with the vortex base key grooves, and the movable vortex plate keys are in sliding fit with the movable vortex plate key grooves.
The utility model provides a scroll compressor has reduced the oil resistance of cross sliding ring in the motion process effectively, has reduced the compressor energy consumption, has reduced the wearing and tearing and the noise of part, has avoided overturning and twisting reverse of cross sliding ring.
Drawings
Fig. 1 is a schematic view of a scroll compressor according to an embodiment of the present invention.
Fig. 2 is an exploded view of the compressing mechanism according to the embodiment of the present invention.
Fig. 3 is a schematic view of a fixed scroll according to an embodiment of the present invention.
Fig. 4 is a schematic view of an embodiment of the present invention.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a schematic view of the second embodiment of the present invention.
Fig. 7 is a partially enlarged view of fig. 6.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the scroll compressor includes a motor and a compression mechanism, and is installed in a closed space formed by an upper cover 3, a housing 9, and a lower cover 13. The motor comprises a stator 11 and a rotor 12; the compression mechanism comprises a fixed scroll 5, a movable scroll 6, a cross slip ring 7 and a scroll base 8. When the motor is driven, a rotational force is generated and transmitted to the compression mechanism through the crankshaft 10, and the fixed scroll 5 and the orbiting scroll 6 cooperate with each other to form a plurality of compression chambers. Refrigerant gas enters a compression cavity from a gas inlet pipe 2, compressed high-pressure gas enters an exhaust muffler 4, enters a cavity where a motor is located through an exhaust passage on a compression mechanism, finally returns to the top of the compressor and is exhausted through an exhaust pipe 1.
Fig. 2 is an exploded schematic view of a compression mechanism of a scroll compressor, in which a non-orbiting scroll 5 and a scroll base 8 are generally iron castings; the orbiting scroll 6 is typically aluminum; the oldham ring 7 is typically an iron-based powder metallurgy. The cross slip ring 7 is positioned between the movable scroll plate 6 and the scroll base 8, and four rectangular keys of the cross slip ring are respectively matched with key grooves of the movable scroll plate 6 and the scroll base 8. When the compressor runs, the cross slip ring 7 reciprocates along the axis direction of the vortex base key groove, and the movable vortex plate 6 reciprocates along the rectangular key of the cross slip ring 7, so that the rotation of the movable vortex plate 6 is limited, and the movable vortex plate and the fixed vortex plate 5 are matched to form a plurality of closed compression cavities.
As shown in fig. 2 and 3, the present invention provides a scroll compressor, including:
a scroll base 8;
the cross slip ring 7 is connected with the vortex base 8 in a sliding mode;
the movable scroll 6 is connected with the cross slip ring 7 in a sliding way;
the fixed scroll 5 is connected with the movable scroll 6 in a sliding way;
wherein,
the cross slip ring 7 is axially and respectively and symmetrically provided with a pair of cross slip ring keys, and the cross slip ring keys are symmetrically provided with oil through parts.
Specifically, the cross-shaped sliding ring key comprises a pair of vortex base keys which are symmetrically arranged and a pair of movable vortex plate keys which are symmetrically arranged; the vortex base is provided with a pair of vortex base key grooves symmetrically, the vortex plate is provided with a pair of movable vortex plate key grooves symmetrically, the vortex base key is in sliding fit with the vortex base key grooves, and the movable vortex plate key is in sliding fit with the movable vortex plate key grooves.
More specifically, the pair of scroll base keys are a first scroll base key 71 and a second scroll base key 72, respectively, and the pair of orbiting scroll keys are a first orbiting scroll key 73 and a second orbiting scroll key 74, respectively; the pair of scroll base key slots are a first scroll base key slot 81 and a second scroll base key slot 82, respectively; the pair of movable scroll key grooves are a first movable scroll key groove 61 and a second movable scroll key groove 62 respectively; the first scroll base key 71 and the second scroll base key 72 slide in the first scroll base key groove 81 and the second scroll base key groove 82, respectively, and the first orbiting scroll key 73 and the second orbiting scroll key 74 slide in the first orbiting scroll key groove 61 and the second orbiting scroll key groove 62, respectively. Thus, the rotation of the oldham ring 7 is restricted.
Since the oil passing portions of the cross-shaped sliding ring key are symmetrically arranged, only one of the first orbiting scroll key 73 will be described in detail in the following embodiments as a representative example.
Example one
As shown in fig. 4 and 5, the oil passing portion is an oil passing hole provided in the oldham ring key.
Specifically, each cross-shaped sliding ring key is provided with one or more oil through holes, the corresponding oil through holes on the symmetrical cross-shaped sliding ring keys are symmetrical, for example, the outer side surface of the first movable scroll key 73 is provided with an oil through hole 731, and the oil through holes are through holes and can be circular or irregular. Thus, lubricating oil can flow back and forth through the oil through hole, the movement resistance of the cross slip ring 7 is reduced, and the energy consumption of the compressor is reduced; the side walls of the cross-shaped sliding ring key, the vortex base key groove and the movable vortex disc key groove can be prevented from being damaged due to overlarge stress, and the abrasion of parts is reduced.
Preferably, the oil through hole is a circular through hole. Because the stress of each part is consistent in the movement process of the circular through hole, the stress of the cross slip ring 7 can be ensured to be even and not to overturn.
When the scroll compressor runs normally, the cross slip ring 7 does reciprocating motion under the limitation of the key groove of the scroll base, and lubricating oil can flow back and forth through the oil through hole on the cross slip ring key, so that the resistance in the movement process of the cross slip ring is reduced, meanwhile, the impact of the lubricating oil on the key groove is effectively reduced, and the abrasion and the noise of parts are reduced; the oil through hole also has the effect of shunting lubricating oil, reduces the impact of the lubricating oil on the bottom surface of the cross slip ring key, and avoids the overturning and twisting of the cross slip ring 7.
Example two
As shown in fig. 6 and 7, the oil passing part is an oil passing groove arranged on the side wall of the cross-shaped slip ring key.
Preferably, the cross section of the oil through groove is arc-shaped.
Preferably, each of the cross-shaped sliding ring keys is provided with one or more oil through grooves, and the corresponding oil through grooves on the symmetrical cross-shaped sliding ring keys are symmetrical, for example, the oil through groove 732 is symmetrically arranged on the side wall of the first orbiting scroll key 73.
When the scroll compressor runs normally, the cross slip ring 7 does reciprocating motion under the limitation of the key groove of the scroll base, and lubricating oil can flow back and forth through the oil through groove on the cross slip ring key, so that the resistance in the movement process of the cross slip ring is reduced, meanwhile, the impact of the lubricating oil on the key groove is effectively reduced, and the abrasion and the noise of parts are reduced; the oil through groove is positioned at the sliding contact position of the cross slip ring key and each key groove, so that the oil through groove can increase the lubrication of the contact surface and prevent the abrasion, scratch and the like caused by insufficient oil supply when the sliding surface of the cross slip ring 7 is completely contacted with each key groove.
It will be appreciated that the embodiments of example one and example two may be used in combination or separately.
The utility model provides a scroll compressor has reduced the oil resistance of cross sliding ring 7 in the motion process effectively, has reduced the compressor energy consumption, has reduced the wearing and tearing and the noise of part, has avoided overturning and twisting reverse of cross sliding ring 7. The utility model discloses a processing of cross sliding ring key logical oil portion is simple, only need with the same milling cutter once only processing can, but obviously, also can adopt the milling cutter of different specifications or shape or other processing methods to form the hole or the recess of various shapes.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A scroll compressor, comprising:
a vortex base;
the cross slip ring is connected with the vortex base in a sliding mode;
the movable scroll plate is connected with the cross slip ring in a sliding manner;
the fixed scroll is connected with the movable scroll in a sliding mode;
it is characterized in that the preparation method is characterized in that,
the cross slip ring is characterized in that a pair of cross slip ring keys are symmetrically arranged in the axial direction of the cross slip ring respectively, and oil passing parts are symmetrically arranged on the cross slip ring keys.
2. The scroll compressor according to claim 1, wherein said oil passing portion is an oil passing hole provided in a oldham key.
3. The scroll compressor according to claim 2, wherein said oil passage hole is a circular through hole.
4. A scroll compressor as recited in claim 2, wherein each of said cross-shaped oil passage keys has one or more oil passage holes, and wherein corresponding oil passage holes of symmetrical cross-shaped oil passage keys are symmetrical.
5. The scroll compressor according to claim 1, wherein said oil passing portion is an oil passing groove provided on a key side wall of the cross-shaped slip ring.
6. The scroll compressor according to claim 5 wherein said oil through groove is arcuate in cross section.
7. A scroll compressor as recited in claim 5, wherein each of said Oldham key has one or more oil passages therein, and wherein corresponding oil passages in symmetrical Oldham keys are symmetrical.
8. The scroll compressor of claim 1, wherein the Oldham key comprises a pair of symmetrically disposed scroll base keys and a pair of symmetrically disposed orbiting scroll keys, wherein the scroll base is symmetrically disposed with a pair of scroll base key slots, the orbiting scroll is symmetrically disposed with a pair of orbiting scroll key slots, the scroll base keys are slidably engaged with the scroll base key slots, and the orbiting scroll keys are slidably engaged with the orbiting scroll key slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304085 CN202707486U (en) | 2012-06-27 | 2012-06-27 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220304085 CN202707486U (en) | 2012-06-27 | 2012-06-27 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202707486U true CN202707486U (en) | 2013-01-30 |
Family
ID=47587793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220304085 Expired - Fee Related CN202707486U (en) | 2012-06-27 | 2012-06-27 | Scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202707486U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128649A (en) * | 2013-10-25 | 2014-11-05 | 柳州易舟汽车空调有限公司 | Processing method for cross-shaped slip ring groove of movable scroll plate |
| CN106032798A (en) * | 2015-03-12 | 2016-10-19 | 比亚迪股份有限公司 | An air compressor |
| WO2021124973A1 (en) * | 2019-12-20 | 2021-06-24 | パナソニックＩｐマネジメント株式会社 | Scroll compressor |
| CN114412792A (en) * | 2021-12-24 | 2022-04-29 | 珠海格力电器股份有限公司 | Oil guide assembly, scroll compressor and heat pump system |
| WO2024017410A1 (en) * | 2022-07-19 | 2024-01-25 | Copeland Climate Technologies (Suzhou) Co., Ltd. | Scroll compressor and oldham ring and mating component for scroll compressor |
-
2012
- 2012-06-27 CN CN 201220304085 patent/CN202707486U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128649A (en) * | 2013-10-25 | 2014-11-05 | 柳州易舟汽车空调有限公司 | Processing method for cross-shaped slip ring groove of movable scroll plate |
| CN104128649B (en) * | 2013-10-25 | 2016-08-31 | 柳州易舟汽车空调有限公司 | The processing method of orbiter cross slip-ring groove |
| CN106032798A (en) * | 2015-03-12 | 2016-10-19 | 比亚迪股份有限公司 | An air compressor |
| CN106032798B (en) * | 2015-03-12 | 2018-05-08 | 比亚迪股份有限公司 | Air compressor |
| WO2021124973A1 (en) * | 2019-12-20 | 2021-06-24 | パナソニックＩｐマネジメント株式会社 | Scroll compressor |
| CN114829776A (en) * | 2019-12-20 | 2022-07-29 | 松下知识产权经营株式会社 | Scroll compressor having a discharge port |
| CN114412792A (en) * | 2021-12-24 | 2022-04-29 | 珠海格力电器股份有限公司 | Oil guide assembly, scroll compressor and heat pump system |
| WO2024017410A1 (en) * | 2022-07-19 | 2024-01-25 | Copeland Climate Technologies (Suzhou) Co., Ltd. | Scroll compressor and oldham ring and mating component for scroll compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20160627 |