CN103122855A - Scroll refrigerating compressor - Google Patents
Scroll refrigerating compressor Download PDFInfo
- Publication number
- CN103122855A CN103122855A CN2013100395533A CN201310039553A CN103122855A CN 103122855 A CN103122855 A CN 103122855A CN 2013100395533 A CN2013100395533 A CN 2013100395533A CN 201310039553 A CN201310039553 A CN 201310039553A CN 103122855 A CN103122855 A CN 103122855A
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- vortex
- low pressure
- high low
- gasket ring
- end surface
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Abstract
The invention discloses a scroll refrigerating compressor. More than three backing rings are fixedly arranged between the upper end face of an upper support and a high-low-pressure partitioning plate, a through hole is formed in a fixed scroll, the backing rings pass through the through hole in the fixed scroll, the upper surface of a fixed scroll backing plate is lower than the upper end faces of the backing rings, two annular grooves are formed in the fixed scroll backing plate, sealing rings are placed in the annular grooves, a backpressure cavity is formed among the upper surface of the fixed scroll backing plate, the lower end face of the high-low-pressure partitioning plate and the two sealing rings and is communicated with a compression cavity through a gas introducing hole, bolts penetrate through the high-low-pressure partitioning plate and through holes of the backing rings to be screwed in bolt holes of the upper support, and the high-low-pressure partitioning plate, the backing rings and the upper support are fixed together. The scroll refrigerating compressor has the beneficial effects that through reasonably designing the sizes of the backing rings, the upper support and the fixed scroll, a reasonable gap can be obtained between the high-low-pressure partitioning plate and the fixed scroll, the ideal pre-deformation of the sealing rings is promoted to be generated, and the backpressure cavity is sealed.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, particularly swirl type cold compressor.
Background technique
A technical barrier of scroll compressor is to reduce tooth top to reveal, and is to solve the tooth top leakage problem, and following several technical measures are arranged in prior art: decide that vortex floats, moving vortex floats and seal ring is unsteady.The deficiency of wherein deciding the vortex ralocatable mode is: decide the vortex floating structure and the high low pressure dividing plate need to be set with isolation high low pressure chamber, usually the high low pressure dividing plate is determined axial position by the housing upper-end surface, this orientation type precision is lower, is difficult for guaranteeing the position relationship of two sealing surfaces, and sealing effect is relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of swirl type cold compressor that solves the tooth top leakage problem, by the processing dimension of controlling gasket ring, upper support and deciding vortex, obtain deciding rational gap between vortex and high low pressure dividing plate, thereby make seal ring produce rational predeformation amount, improve the sealing effect of back pressure cavity.
technological scheme of the present invention is: a kind of swirl type cold compressor, comprise: housing (1), upper cover, the high low pressure dividing plate, decide vortex, moving vortex, partition ring, upper support, bent axle, rotor and motor stator, it is characterized in that described swirl type cold compressor also comprises three above gasket rings, be provided with the cylindrical gasket ring of through hole centered by described gasket ring, gasket ring is fixedly mounted on upper support upper support upper-end surface, the circumferential spacing of each gasket ring differs and is 3-30mm, the position that gasket ring is installed in described upper support upper-end surface is provided with bolt hole, described high low pressure dividing plate is placed on the gasket ring upper-end surface, the position that the high low pressure dividing plate is corresponding with gasket ring has through hole, describedly decide vortex and be placed between high low pressure dividing plate and upper support, have in the position corresponding to the gasket ring with on the upper support upper-end surface of deciding vortex the through hole for preparing mutually with the gasket ring external diameter, gasket ring passes the through hole of deciding on vortex, gasket ring external diameter and decide to be between through hole on vortex little Spielpassung, the scroll wrap of deciding vortex is supported on the dynamic vortex tooth bottom surface, decide the upper surface of backboard of vortex lower than gasket ring upper-end surface 0.5-1mm, decide to offer the bipassage ring connected in star on vortex backboard upper surface, place seal ring in annular groove, the bottom surface of annular groove to the distance between high low pressure dividing plate lower end surface less than the seal ring diameter of section, decide the upper surface of the backboard of vortex, the space that forms between high low pressure dividing plate lower end surface and two seals circle consists of back pressure cavity, decide to have on the vortex backboard bleed hole that connects back pressure cavity and compression chamber, bolt passes through hole on the high low pressure dividing plate and the through hole of gasket ring is tightened in the bolt hole of upper support, with the high low pressure dividing plate, gasket ring and upper support are fixed together, be larger Spielpassung between through hole on bolt and gasket ring.
A kind of swirl type cold compressor of the present invention is characterized in that being interference fit between described high low pressure dividing plate circumference and upper cover inner circumference, forms complete sealing surface; Bolt faying surface and high low pressure dividing plate upper-end surface compress, and form sealing surface; Form hyperbaric chamber between high low pressure dividing plate upper-end surface and upper cover.
A kind of swirl type cold compressor of the present invention is characterized in that described seal ring is the O RunddichtringO of rubber material, or hollow metal O RunddichtringO, or the V-shaped seal ring of combined material.
A kind of swirl type cold compressor of the present invention is characterized in that described upper support lower end surface is close on the housing upper-end surface, and upper cover is sleeved on the housing excircle.
The present invention is by control pad ring size tolerance, controls distance and parallelism between high low pressure dividing plate lower end surface and upper support upper-end surface; The scroll wrap of deciding vortex is supported on the dynamic vortex tooth bottom surface, make and decide the vortex height lower than the distance between high low pressure dividing plate and upper support, deciding like this vortex just can axially move by between, simultaneously, deciding to consist of back pressure cavity by two seal rings between vortex backboard and high low pressure dividing plate, back pressure cavity is connected by bleed hole and compression chamber, makes to decide vortex and can do axial float by a small margin between high low pressure dividing plate lower end surface and upper support upper-end surface.
The invention has the beneficial effects as follows: by reasonable adjustment gasket ring, can guarantee the high low pressure dividing plate and decide vortex to obtain rational gap, impel seal ring to produce desirable predeformation amount, guarantee the sealing of back pressure cavity, thereby reduce the leakage of tooth top.
Description of drawings
The present invention has accompanying drawing nine width, wherein:
Fig. 1 is the local longitudinal cross-section schematic diagram of compressor of the present invention;
Fig. 2 is the upper cover schematic cross-section;
Fig. 3 is high low pressure dividing plate longitudinal cross-section schematic diagram;
Fig. 4 is for deciding vortex longitudinal cross-section schematic diagram;
Fig. 5 is moving vortex longitudinal cross-section schematic diagram
Fig. 6 is the vertical schematic diagram of upper support;
Fig. 7 is gasket ring longitudinal cross-section schematic diagram;
Fig. 8 is the bolt schematic diagram;
Fig. 9 is the housing schematic partial cross-sectional view.
in figure, 1, housing, 2, upper support, 3, upper cover, 4, gasket ring, 5, the high low pressure dividing plate, 6, bolt, 7, decide vortex, 8, seal ring, 9, seal ring, 10, moving vortex, 11, the upper cover internal diameter, 12, high low pressure dividing plate external diameter, 13, the high low pressure bulkhead through-hole, 14, high low pressure dividing plate upper-end surface, 15, high low pressure dividing plate lower end surface, 16, decide the vortex through hole, 17, decide vortex external sealed groove, 18, decide seal groove in vortex, 19, decide vortex bleed hole, 20, decide the vortex upper-end surface, 21, decide the scroll wrap end face, 22, the dynamic vortex tooth bottom surface, 23, the upper support lower end surface, 24, the upper support bolt hole, 25, the upper support upper-end surface, 26, the upper support minute surface, 27, the gasket ring through hole, 28, faying surface, 29, the housing upper-end surface, 30, hyperbaric chamber, 31, back pressure cavity, 32, compression chamber.
Embodiment
Be described below in conjunction with the mode of execution of drawings and Examples to compressor of the present invention, can understand better the present invention by these descriptions.
swirl type cold compressor comprises: housing 1, upper cover 3, high low pressure dividing plate 5, decide vortex 7, moving vortex 10, partition ring, upper support 2, bent axle, rotor, motor stator and three above gasket rings 4, be provided with the cylindrical gasket ring of gasket ring through hole 27 centered by gasket ring 4, gasket ring 4 is fixedly mounted on upper support upper-end surface 25, the circumferential spacing of gasket ring 4 differs and is no more than 30mm, the position that gasket ring 4 is installed in upper support upper-end surface 25 is provided with upper support bolt hole 24, high low pressure dividing plate 5 is placed on gasket ring 4 upper-end surfaces, the position that high low pressure dividing plate 5 is corresponding with gasket ring 4 has high low pressure bulkhead through-hole 13, deciding vortex 7 is placed between high low pressure dividing plate 5 and upper support 2, have in the position corresponding to the gasket ring 4 with on upper support upper-end surface 25 of deciding vortex 7 with the gasket ring external diameter prepares mutually and decide vortex through hole 16, gasket ring 4 passes decides vortex through hole 16, gasket ring 4 external diameters and decide between vortex through hole 16 to be little Spielpassung, deciding scroll wrap end face 21 is supported on dynamic vortex tooth bottom surface 22, decide vortex upper-end surface 20 lower than gasket ring 4 upper-end surface 0.5-1mm, decide to offer on vortex backboard upper surface inside and outside twice annular seal groove 17, 18, annular seal groove 17, 18 interior placement seal rings 8, 9, annular seal groove 17, 18 bottom surface to the distance between high low pressure dividing plate lower end surface 14 less than seal ring 8, 9 diameter of sections, decide vortex upper-end surface 20, high low pressure dividing plate lower end surface 14 and two seals circle 8, the space that forms between 9 consists of back pressure cavity 31, decide to have on the vortex backboard bleed hole that connects back pressure cavity 31 and compression chamber 32, bolt 6 passes high low pressure bulkhead through-hole 13 and gasket ring through hole 27 is tightened in upper support bolt hole 24, with high low pressure dividing plate 5, gasket ring 4 is fixed together with upper support 2, be larger Spielpassung between bolt 6 and gasket ring through hole 27.
The lower end surface 23 of upper support 2 is supported on the upper-end surface 29 of housing 1; Moving vortex 10 is placed on upper support minute surface 26, and the Topland 21 of deciding vortex 7 is supported on dynamic vortex tooth bottom surface 22, decides vortex 7 and offers twice ring groove 17,18, twice ring groove 17, the 18 interior O RunddichtringOs 8,9 of placing respectively; Gasket ring 4 passes on the upper-end surface 25 that the through hole 16 of deciding vortex 7 is placed on upper support 2; High low pressure dividing plate 5 is placed on gasket ring 4 upper-end surfaces; Bolt 6 is combined in the tapped hole 24 of upper support 2 after passing the through hole 27 of through hole 13 on high low pressure dividing plate 5 and gasket ring; Upper cover 3 use welding manners are sleeved on the excircle of housing 1, and its internal diameter 11 and high low pressure dividing plate external diameter 12 interference fit.
The through hole 13 of bolt 6 and high low pressure dividing plate and the coordinating of through hole 27 of gasket ring all belong to the larger Spielpassung in gap is therefore gasket ring 4 can be adjusted horizontal position by a relatively large margin; Because gasket ring 4 is the very little Spielpassung in gap with the through hole 16 of deciding vortex 7, decides vortex 7 and adjust together horizontal position therefore can drive; Mix up decide vortex 7 positions after, tight a bolt 6, high low pressure dividing plate 5 will be fixed on upper support 2 with gasket ring 4, deciding vortex 7 can only move axially near the horizontal position that gasket ring 4 limits.
After bolt 6 was tightened, its faying surface 28 was pressed on high low pressure dividing plate upper-end surface 14, forms sealing surface; The internal diameter 11 of upper cover 3 is interference fit with the external diameter 12 of high low pressure dividing plate 5, has also formed a sealing surface; These two sealing surfaces make between upper cover and high low pressure dividing plate and have formed hyperbaric chamber 30.
The lower end surface 15 of high low pressure dividing plate 5 forces O RunddichtringO 8,9 to produce rational amount of deformation and forms each two annular sealing surfaces up and down, with the upper-end surface 20 of deciding vortex 7, certain gap is arranged again, high low pressure dividing plate 5, decide vortex 7 and two O RunddichtringOs 8,9 chambers 32 that consist of have just formed back pressure cavity 32; Deciding vortex 7 offers bleed hole 19 the interior gas of compression chamber 32 is introduced in back pressure cavity 31.
Claims (4)
1. swirl type cold compressor, comprise: housing (1), upper cover (3), high low pressure dividing plate (5), decide vortex (7), moving vortex (10), partition ring, upper support (2), bent axle, rotor and motor stator, it is characterized in that described swirl type cold compressor also comprises three above gasket rings (4), be provided with the cylindrical gasket ring of gasket ring through hole (27) centered by described gasket ring (4), gasket ring (4) is fixedly mounted on upper support upper-end surface (25), the circumferential spacing of each gasket ring differs and is 3-30mm, the position that gasket ring (4) is installed in described upper support upper-end surface (25) is provided with upper support bolt hole (24), described high low pressure dividing plate (5) is placed on gasket ring (4) upper-end surface, the position that high low pressure dividing plate (5) is corresponding with gasket ring (4) has high low pressure bulkhead through-hole (13), describedly decide vortex (7) and be placed between high low pressure dividing plate (5) and upper support (2), have in the position corresponding to the gasket ring (4) with on upper support upper-end surface (25) of deciding vortex (7) with the little Spielpassung of gasket ring external diameter decide vortex through hole (16), gasket ring (4) passes decides vortex through hole (16), deciding scroll wrap end face (21) is supported on dynamic vortex tooth bottom surface (22), decide the upper surface of vortex backboard lower than gasket ring upper-end surface 0.5-1mm, decide to offer on vortex backboard upper surface inside and outside twice annular seal groove (17, 18), annular seal groove (17, 18) place seal ring (8 in, 9), annular seal groove (17, 18) distance of bottom surface between the high low pressure dividing plate lower end surface (15) is less than seal ring (8, 9) diameter of section, decide the upper-end surface (20) of vortex, high low pressure dividing plate lower end surface (15) and two seals circle (8, 9) space that forms between consists of back pressure cavity (31), decide to have on the vortex backboard connect back pressure cavity (31) and compression chamber (32) decide vortex bleed hole (19), bolt (6) passes high low pressure bulkhead through-hole (13) and gasket ring through hole (27) is combined in the bolt hole (24) of upper support, with high low pressure dividing plate (5), gasket ring (4) and upper support (2) are fixed together, be larger Spielpassung between bolt (6) and gasket ring through hole (27).
2. according to the described a kind of swirl type cold compressor of claim 1, it is characterized in that being interference fit between described high low pressure dividing plate (5) circumference and upper cover (3) inner circumference, form complete sealing surface; Faying surface (28) compresses with high low pressure dividing plate upper-end surface (25), forms sealing surface; Form hyperbaric chamber (30) between high low pressure dividing plate upper-end surface (14) and upper cover (3).
3. according to the described a kind of swirl type cold compressor of claim 1, it is characterized in that described seal ring (8,9) is the O RunddichtringO of rubber material, or hollow metal O RunddichtringO, or the V-shaped seal ring of combined material.
4. a kind of swirl type cold compressor according to claim 1, is characterized in that described upper support lower end surface (23) is close on housing upper-end surface (29), and upper cover (3) is sleeved on housing (1) excircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100395533A CN103122855A (en) | 2013-01-31 | 2013-01-31 | Scroll refrigerating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100395533A CN103122855A (en) | 2013-01-31 | 2013-01-31 | Scroll refrigerating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103122855A true CN103122855A (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100395533A Pending CN103122855A (en) | 2013-01-31 | 2013-01-31 | Scroll refrigerating compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN103122855A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221419A (en) * | 2015-11-04 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll compressor |
| CN105793574A (en) * | 2013-11-27 | 2016-07-20 | 艾默生环境优化技术有限公司 | Compressor having sound isolation feature |
| CN106930946A (en) * | 2015-12-31 | 2017-07-07 | 华域三电汽车空调有限公司 | The body of pressure apparatus |
| WO2020238110A1 (en) * | 2019-05-30 | 2020-12-03 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
| WO2021242692A1 (en) * | 2020-05-28 | 2021-12-02 | Emerson Climate Technologies, Inc. | Compressor having damped scroll |
| US11359628B2 (en) * | 2017-04-28 | 2022-06-14 | Shanghai Highly New Energy Technology Co., Ltd. | Scroll compressor including retaining wall housing electrical machinery mechanism |
Citations (6)
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| US5141421A (en) * | 1991-12-17 | 1992-08-25 | Carrier Corporation | Nested coupling mechanism for scroll machines |
| US5192202A (en) * | 1990-12-08 | 1993-03-09 | Gold Star Co., Ltd. | Scroll-type compressor with an apparatus for restraining compressed fluid from being leaked |
| US5346376A (en) * | 1993-08-20 | 1994-09-13 | General Motors Corporation | Axial thrust applying structure for the scrolls of a scroll type compressor |
| US5511959A (en) * | 1991-08-06 | 1996-04-30 | Hitachi, Ltd. | Scroll type fluid machine with parts of sintered ceramics |
| CN1131238A (en) * | 1994-07-22 | 1996-09-18 | 三菱电机株式会社 | Scroll compressor |
| US6017203A (en) * | 1995-07-25 | 2000-01-25 | Mitsubishi Denki Kabushiki Kaisha | Scroll compressor having separation plate between high and low pressures |
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2013
- 2013-01-31 CN CN2013100395533A patent/CN103122855A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5192202A (en) * | 1990-12-08 | 1993-03-09 | Gold Star Co., Ltd. | Scroll-type compressor with an apparatus for restraining compressed fluid from being leaked |
| US5511959A (en) * | 1991-08-06 | 1996-04-30 | Hitachi, Ltd. | Scroll type fluid machine with parts of sintered ceramics |
| US5141421A (en) * | 1991-12-17 | 1992-08-25 | Carrier Corporation | Nested coupling mechanism for scroll machines |
| US5346376A (en) * | 1993-08-20 | 1994-09-13 | General Motors Corporation | Axial thrust applying structure for the scrolls of a scroll type compressor |
| CN1131238A (en) * | 1994-07-22 | 1996-09-18 | 三菱电机株式会社 | Scroll compressor |
| US6017203A (en) * | 1995-07-25 | 2000-01-25 | Mitsubishi Denki Kabushiki Kaisha | Scroll compressor having separation plate between high and low pressures |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105793574A (en) * | 2013-11-27 | 2016-07-20 | 艾默生环境优化技术有限公司 | Compressor having sound isolation feature |
| US9689391B2 (en) | 2013-11-27 | 2017-06-27 | Emerson Climate Technologies, Inc. | Compressor having sound isolation feature |
| US10544786B2 (en) | 2013-11-27 | 2020-01-28 | Emerson Climate Technologies, Inc. | Compressor having sound isolation feature |
| US10570901B2 (en) | 2013-11-27 | 2020-02-25 | Emerson Climate Technologies, Inc. | Compressor having sound isolation feature |
| CN105221419A (en) * | 2015-11-04 | 2016-01-06 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of scroll compressor |
| CN106930946A (en) * | 2015-12-31 | 2017-07-07 | 华域三电汽车空调有限公司 | The body of pressure apparatus |
| US11359628B2 (en) * | 2017-04-28 | 2022-06-14 | Shanghai Highly New Energy Technology Co., Ltd. | Scroll compressor including retaining wall housing electrical machinery mechanism |
| WO2020238110A1 (en) * | 2019-05-30 | 2020-12-03 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
| US11859613B2 (en) | 2019-05-30 | 2024-01-02 | Copeland Climate Technologies (Suzhou) Co. Ltd. | Scroll compressor |
| WO2021242692A1 (en) * | 2020-05-28 | 2021-12-02 | Emerson Climate Technologies, Inc. | Compressor having damped scroll |
| US11353022B2 (en) | 2020-05-28 | 2022-06-07 | Emerson Climate Technologies, Inc. | Compressor having damped scroll |
| US11692546B2 (en) | 2020-05-28 | 2023-07-04 | Emerson Climate Technologies, Inc. | Compressor having damped scroll |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 116600 Dalian economic and Technological Development Zone, Liaoning Pine Street, No. 8 Applicant after: Panasonic's compressor (Dalian) Co., Ltd Address before: 116033, No. 8 Pine Street, Jinzhou New District, Liaoning, Dalian Applicant before: Dalian Sanyo Compressor Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DALIAN SANYO COMPRESSOR CO., LTD. TO: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO., LTD. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130529 |