CN102536831A - Air cylinder fixing mechanism of rotary compressor - Google Patents
Air cylinder fixing mechanism of rotary compressor Download PDFInfo
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- CN102536831A CN102536831A CN2012100651234A CN201210065123A CN102536831A CN 102536831 A CN102536831 A CN 102536831A CN 2012100651234 A CN2012100651234 A CN 2012100651234A CN 201210065123 A CN201210065123 A CN 201210065123A CN 102536831 A CN102536831 A CN 102536831A
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- supporting element
- cylinder
- main casing
- rotary compressor
- air cylinder
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Abstract
The invention provides an air cylinder fixing mechanism of a rotary compressor. The air cylinder fixing mechanism comprises a motor assembly and a compressor assembly which are arranged in a shell. The shell comprises an upper shell, a main shell and a lower shell. The compressor assembly comprises an air cylinder, and a main bearing and an auxiliary bearing which are respectively installed on the upper end surface and the lower end surface of the air cylinder. Two supporting pieces are welded in the main shell. The air cylinder is fixedly connected with the supporting pieces through bolts. The supporting pieces are distributed in the main shell. One ends of the supporting pieces are welded with the inner wall of the main shell. The other ends of the supporting pieces are provided with threads. The supporting pieces are dustpan-shaped. Flanges are arranged on the edges of the supporting pieces. The other end of at least one supporting piece is provided with two assembling holes and nuts are welded at the assembling holes; or the other end of the supporting piece is provided with flanged holes and threads are tapped in the flanged holes. The air cylinder fixing mechanism of the rotary compressor has the advantages of simple and reasonable structure, small air cylinder sliding piece groove deformation, high air cylinder rigidity, high strength and high overall compressor efficiency.
Description
[technical field]
The present invention relates to the Compressor Technology field, particularly a kind of cylinder fixed mechanism of rotary compressor.
[background technique]
Rotary compressor generally comprises closed shell, electric machine assembly, compression assembly etc.Closed shell generally comprises upper shell, main casing and lower shell body; Closed shell is provided with sucking pipe and outlet pipe.Compression assembly comprises cylinder, slide plate, piston, main bearing, supplementary bearing and bent axle etc.Cylinder be installed in cylinder up and down the major and minor bearing at two ends constitute airtight compression chamber, piston sleeve is in crankshaft eccentric portion, slide plate is installed in the vane slot of offering on the cylinder.
During rotary compressor work; Electric machine assembly drives crankshaft rotating through the rotor that is enclosed within on the bent axle; Roll along cylinder inner wall thereby drive the piston that is enclosed within the crankshaft eccentric portion, when piston rolled in active chamber, slide plate its front end under the effect of spring kept closely contacting with outside piston; The point of contact of slide plate and piston and cylinder inner wall is divided into air aspiration cavity and compression chamber two-part with cylinder inner cavity; The volume size of air aspiration cavity and compression chamber changes along with piston rotation, and the pressure in the compression chamber then reduces along with compression chamber and increases, and realizes compressor air suction, compression, exhaust process.
The compression assembly of existing rotary compressor adopts respectively with the means of fixation that is connected of main casing: a) cylinder 9 directly welds means of fixation with main casing 1, sees accompanying drawing 1; B) main bearing 7 directly welds means of fixation with main casing 1, sees accompanying drawing 2; C) whole frame 23 of sheet metal and main casing 1 welding, cylinder 9 is connected fixing with whole frame 23 through bolt, see accompanying drawing 3, and more than 22 among the figure is soldering point; D) sheet metal supporting element 23 and main casing 1 welding, cylinder 9 is connected fixing with supporting element 23 through bolt, see accompanying drawing 4.
When adopting a) and b) during mode; The cylinder vane slot distortion of rotary compressor is bigger, and for guaranteeing the rotary compressor reliability of operation, the width gap between respective cylinder vane slot and the slide plate is set bigger; But, but bring the problem of rotary compressor decreased performance; When adopting c) mode (announce CN1156217A number by the Chinese patent of detailed ginseng announcement on August 6th, 1997; Application number is 96120366.8) time; Though can solve a) and b) problem that mode is brought, the structure of cylinder of compressor and rigidity are all relatively poor, and the gap of electric machine assembly also is difficult to guarantee.When adopting d) mode (detailed ginseng in May, 2010, announced CN201486868U number by the Chinese patent of notice of authorization on the 26th; Application number is 200920194308.9) time; Though can solve a) and b) problem brought of mode; Also can partly solve c) problem of mode, but three supporting element welding efficiency of compressor are lower.
[summary of the invention]
It is little that the object of the invention aims to provide a kind of simple and reasonable, cylinder vane slot distortion, the good rigidly of cylinder, and intensity is high, and the cylinder fixed mechanism of the rotary compressor that the overall efficiency of compressor is high is to overcome deficiency of the prior art.
To achieve these goals, the present invention adopts following technological scheme:
A kind of cylinder fixed mechanism of rotary compressor; Comprise housing and be arranged on compression assembly in the housing; Housing comprises upper shell, main casing and lower shell body; Compression assembly comprises cylinder, is installed in the main bearing and the supplementary bearing of cylinder upper and lower end face, is welded with first supporting element and second supporting element in the main casing, and cylinder is fixedly connected with two supporting elements through bolt.
The present invention further improves and is: the second supporting element circumferential size is provided with a pilot hole greater than first supporting element on first supporting element, and second supporting element respectively is provided with a pilot hole along circumferential two ends.
The present invention further improves and is: first supporting element and second supporting element are distributed in the main casing, an end of first supporting element and second supporting element and the welding of the inwall of main casing, and resistance welding or carbon dioxide gas arc welding are adopted in welding.
The present invention further improves and is: said first supporting element and second supporting element are the dustpan type, and its edge is provided with flange.
The present invention further improves and is: be welded with nut on the said pilot hole.
The present invention further improves and is: first supporting element and second supporting element, one end are welded on the main casing inwall, and the other end is provided with the flange hole, and flange has been attacked screw thread in the hole.
A kind of cylinder fixing structure of rotary compressor; Comprise housing and the electric machine assembly that is arranged in the housing; Housing comprises upper shell, main casing and lower shell body; Compressor assembly comprises cylinder, is installed in the main bearing and the supplementary bearing of cylinder upper and lower end face, is welded with two supporting elements in the main casing, and cylinder is fixedly connected with supporting element through bolt; The inwall welding of said supporting element one end and main casing, the other end respectively is provided with a pilot hole along circumferential two ends.
Compared with prior art; The present invention has the following advantages: the present invention connects as one cylinder and main casing through two supporting elements, and through flange is set to improve rigidity and to strengthen intensity at the supporting element edge, resistance welding or carbon dioxide gas arc welding are adopted in supporting element and main casing welding; Fit fully between supporting element and the main casing; Thereby improve the rigidity of cylinder, reduce the distortion of cylinder vane slot, and improved manufacturing efficiency; When adopting resistance welding, avoided perforate on main casing, therefore reduced the leakage probability of compressor; The present invention has improved the cylinder of compressor rigidity, has reduced the welding of cylinder and main casing and has leaked, and has improved the efficient and the quality of compressor, has reduced the compressor manufacture cost simultaneously.
[description of drawings]
Fig. 1 is the first prior art constructions schematic representation.
Fig. 2 is the second prior art constructions schematic representation.
Fig. 3 is the 3rd prior art constructions schematic representation.
Fig. 4 is the 4th prior art constructions schematic representation.
Fig. 5 is one embodiment of the invention structural representation.
Fig. 6 is an embodiment's of supporting element 8 a main TV structure schematic representation.
Fig. 7 is that A-A among Fig. 6 is to the sectional structure schematic representation.
Fig. 8 looks up structural representation among Fig. 6.
Fig. 9 is the sectional structure schematic representation after supporting element 8 is assembled with nut.
Figure 10 is another embodiment's of supporting element 8 a main TV structure schematic representation.
Figure 11 is the main TV structure schematic representation of supporting element 24.
Figure 12 is the plan structure schematic representation of supporting element 24.
Figure 13 is the B-B sectional view of Figure 11.
Figure 14 is the sectional structure schematic representation after supporting element 24 is assembled with nut.
Figure 15 is another embodiment's of supporting element 24 a main TV structure schematic representation.
Figure 16 is the sectional structure schematic representation after main casing and supporting element adopt resistance welding.
Figure 17 is the right TV structure schematic representation of Figure 16.
Figure 18 is that main casing and supporting element adopt the sectional structure schematic representation after carbon dioxide gas arc welding connects.
Figure 19 is the right TV structure schematic representation of Figure 18.
Figure 20 is the C place structure for amplifying schematic representation among Figure 18.
Figure 21 is the sectional structure schematic representation after two supporting elements 24 and main casing adopt resistance welding.
Figure 22 is the right TV structure schematic representation of Figure 21.
Figure 23 is that two supporting elements 24 adopt the sectional structure schematic representation after carbon dioxide gas arc welding connects with main casing.
Figure 24 is the right TV structure schematic representation of Figure 23.
Among the figure: 1 is main casing, and 2 is upper shell, and 3 is outlet pipe, and 4 is stator, and 5 is rotor, and 6 is bent axle; 7 is main bearing, and 8 is supporting element, and 8.1 is pilot hole, and 8.2 is nut, and 8.3 is the flange hole, and 8.4 is resistance spot weld; 9 is cylinder, and 10 is supplementary bearing, and 11 is lower shell body, and 12 is piston, and 13 is bolt, and 22 is soldering point; 24 is supporting element, and 24.1 is pilot hole, and 24.2 is nut, and 24.3 is the flange hole, and 24.4 is resistance spot weld.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 5-Figure 24; The cylinder fixed mechanism of this rotary compressor; Comprise the electric machine assembly and the compression assembly that are arranged in the housing, housing comprises upper shell 2, main casing 1 and lower shell body 11, and compression assembly comprises cylinder 9, is installed in the main bearing 7 and the supplementary bearing 11 of cylinder 9 upper and lower end faces; Be welded with two supporting elements 8 and 24 in the main casing 1, cylinder 9 is fixedly connected with 24 with supporting element 8 through bolt 13. Supporting element 8 and 24 is distributed in the main casing 1, the inwall welding of supporting element 8 and an end of 24 and main casing 1, and welding adopts resistance welding or carbon dioxide gas arc welding to connect mode.Supporting element 8 and 24 is the dustpan type, and its edge is provided with flange.
Referring to Fig. 5-Figure 24; The cylinder fixed mechanism of this rotary compressor; Comprise the electric machine assembly and the compression assembly that are arranged in the housing, housing comprises upper shell 2, main casing 1 and lower shell body 11, and compression assembly comprises cylinder 9, is installed in the main bearing 7 and the supplementary bearing 11 of cylinder 9 upper and lower end faces; Be welded with two supporting elements 24 in the main casing 1, cylinder 9 is fixedly connected with supporting element 24 through bolt 13.Supporting element 24 is distributed in the main casing 1, an end of supporting element 24 and the welding of the inwall of main casing 1, and welding adopts resistance welding or carbon dioxide gas arc welding to connect mode.Supporting element 24 is the dustpan type, and its edge is provided with flange.
The other end of supporting element 8 is provided with pilot hole 8.1, is welded with nut 8.2 on the pilot hole, sees Fig. 6-Figure 10.Perhaps the other end of supporting element 8 is provided with flange hole 8.3, and flange has been attacked screw thread in the hole, sees Figure 10.
The other end of supporting element 24 is provided with two pilot holes 24.1, is welded with nut 24.2 on the pilot hole, sees Figure 11-Figure 15.Perhaps the other end of supporting element 24 is provided with flange hole 24.3, and flange has been attacked screw thread in the hole, sees Figure 15.
During installation; Through resistance welding one end of supporting element 8,24 and the inwall of main casing 1 are welded together, wherein, an end of supporting element 8,24 is provided with resistance spot weld; The quantity of resistance spot weld is more than two; Perhaps through carbon dioxide gas arc welding one end of supporting element 8,24 and the inwall of main casing 1 are welded together, the weld that main casing 1 is positioned at carbon dioxide gas arc welding is provided with perforate, and the quantity of perforate is more than two.
Claims (7)
1. the cylinder fixed mechanism of a rotary compressor; It is characterized in that; Comprise housing and the compression assembly that is arranged in the housing, housing comprises upper shell (2), main casing (1) and lower shell body (11), and compression assembly comprises cylinder (9), is installed in the main bearing (7) and the supplementary bearing (11) of cylinder (9) upper and lower end face; Be welded with first supporting element (8) and second supporting element (24) in the main casing (1), cylinder (9) is fixedly connected with two supporting elements through bolt.
2. the cylinder fixed mechanism of a kind of rotary compressor according to claim 1; It is characterized in that; Second supporting element (24) circumferential size is provided with a pilot hole greater than first supporting element (8) on first supporting element (8), second supporting element (24) respectively is provided with a pilot hole along circumferential two ends.
3. the cylinder fixed mechanism of a kind of rotary compressor according to claim 1; It is characterized in that; First supporting element (8) and second supporting element (24) are distributed in the main casing (1); The inwall welding of one end of first supporting element (8) and second supporting element (24) and main casing (1), resistance welding or carbon dioxide gas arc welding are adopted in welding.
4. the cylinder fixed mechanism of a kind of rotary compressor according to claim 1 is characterized in that, said first supporting element (8) and second supporting element (24) are the dustpan type, and its edge is provided with flange.
5. the cylinder fixed mechanism of a kind of rotary compressor according to claim 2 is characterized in that, is welded with nut on the said pilot hole.
6. the cylinder fixed mechanism of a kind of rotary compressor according to claim 1 is characterized in that, first supporting element (8) and second supporting element (24) one ends are welded on main casing (1) inwall, and the other end is provided with the flange hole, and flange has been attacked screw thread in the hole.
7. the cylinder fixing structure of a rotary compressor; It is characterized in that; Comprise housing and the electric machine assembly that is arranged in the housing, housing comprises upper shell (2), main casing (1) and lower shell body (11), and compressor assembly comprises cylinder (9), is installed in the main bearing (7) and the supplementary bearing (10) of cylinder upper and lower end face; Be welded with two supporting elements (24) in the main casing, cylinder (9) is fixedly connected with supporting element (24) through bolt; The inwall welding of said supporting element (24) one ends and main casing (1), the other end respectively is provided with a pilot hole along circumferential two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100651234A CN102536831A (en) | 2012-03-13 | 2012-03-13 | Air cylinder fixing mechanism of rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100651234A CN102536831A (en) | 2012-03-13 | 2012-03-13 | Air cylinder fixing mechanism of rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102536831A true CN102536831A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100651234A Pending CN102536831A (en) | 2012-03-13 | 2012-03-13 | Air cylinder fixing mechanism of rotary compressor |
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| CN (1) | CN102536831A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929939A (en) * | 2015-06-09 | 2015-09-23 | 安庆卡尔特压缩机有限公司 | Rotary compressor |
| CN104963831A (en) * | 2015-06-09 | 2015-10-07 | 安庆卡尔特压缩机有限公司 | Rotary compressor |
| CN106401918A (en) * | 2016-10-17 | 2017-02-15 | 珠海凌达压缩机有限公司 | Air cylinder and compressor |
| WO2019047477A1 (en) * | 2017-09-05 | 2019-03-14 | 上海海立电器有限公司 | Compressor and fabrication method therefor |
Citations (6)
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| JPH07229491A (en) * | 1994-02-21 | 1995-08-29 | Toshiba Corp | Rotary compressor and refrigerator, freezing device and air conditioner using the compressor |
| CN2813932Y (en) * | 2005-07-15 | 2006-09-06 | 乐金电子(天津)电器有限公司 | Fixing structure for compressor cylinder |
| CN1952402A (en) * | 2005-10-21 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Compressor pump and casing connecting structure |
| CN201486868U (en) * | 2009-09-03 | 2010-05-26 | 广东美芝制冷设备有限公司 | Cylinder fixing mechanism of rotary compressor |
| CN201874827U (en) * | 2010-11-17 | 2011-06-22 | 广东美芝制冷设备有限公司 | Thrust structure of rotary compressor |
| CN202545257U (en) * | 2012-03-13 | 2012-11-21 | 西安庆安制冷设备股份有限公司 | Cylinder fixing mechanism of rotary compressor |
-
2012
- 2012-03-13 CN CN2012100651234A patent/CN102536831A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07229491A (en) * | 1994-02-21 | 1995-08-29 | Toshiba Corp | Rotary compressor and refrigerator, freezing device and air conditioner using the compressor |
| CN1119705A (en) * | 1994-02-21 | 1996-04-03 | 株式会社东芝 | Rotative compressor and refrigerator, refriging apparatus and air conditioner using same |
| CN2813932Y (en) * | 2005-07-15 | 2006-09-06 | 乐金电子(天津)电器有限公司 | Fixing structure for compressor cylinder |
| CN1952402A (en) * | 2005-10-21 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Compressor pump and casing connecting structure |
| CN201486868U (en) * | 2009-09-03 | 2010-05-26 | 广东美芝制冷设备有限公司 | Cylinder fixing mechanism of rotary compressor |
| CN201874827U (en) * | 2010-11-17 | 2011-06-22 | 广东美芝制冷设备有限公司 | Thrust structure of rotary compressor |
| CN202545257U (en) * | 2012-03-13 | 2012-11-21 | 西安庆安制冷设备股份有限公司 | Cylinder fixing mechanism of rotary compressor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929939A (en) * | 2015-06-09 | 2015-09-23 | 安庆卡尔特压缩机有限公司 | Rotary compressor |
| CN104963831A (en) * | 2015-06-09 | 2015-10-07 | 安庆卡尔特压缩机有限公司 | Rotary compressor |
| CN106401918A (en) * | 2016-10-17 | 2017-02-15 | 珠海凌达压缩机有限公司 | Air cylinder and compressor |
| WO2019047477A1 (en) * | 2017-09-05 | 2019-03-14 | 上海海立电器有限公司 | Compressor and fabrication method therefor |
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Application publication date: 20120704 |