CN102444585A - Full-closed compressor with simple-structure auxiliary bearing - Google Patents
Full-closed compressor with simple-structure auxiliary bearing Download PDFInfo
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- CN102444585A CN102444585A CN2011104418728A CN201110441872A CN102444585A CN 102444585 A CN102444585 A CN 102444585A CN 2011104418728 A CN2011104418728 A CN 2011104418728A CN 201110441872 A CN201110441872 A CN 201110441872A CN 102444585 A CN102444585 A CN 102444585A
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- rotating shaft
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Abstract
The invention provides a full-closed compressor with a simple-structure auxiliary bearing, relating to the auxiliary bearing technology of a full-closed compressor. The full-closed compressor comprises a compressor pump body, a drive motor, a shell cylinder, a main bearing assembly, a rotating shaft and a lower compressor cover, wherein the compressor pump body, the drive motor, the main bearing assembly and the rotating shaft are arranged in the shell cylinder, the lower compressor cover is installed at the bottom of the shell cylinder, the compressor pump body and the main bearing assembly are installed at the upper part of the rotating shaft, the drive motor is installed at the middle part of the rotating shaft, a stator of the drive motor is fixedly installed on the shell cylinder, and a rotor is fixedly installed on the rotating shaft. The full-closed compressor is characterized in that a bracket is installed at the lower part of the shell cylinder, a pointed auxiliary bearing is installed at the center of the bracket, an oil hole is machined at the axle center of the pointed auxiliary bearing and communicated with a through hole on the bracket, and the pointed auxiliary bearing is supported at the lower part of a rotating shaft contact surface at the bottom of the rotating shaft. The full-closed compressor has the characteristics of novel and simplified structure, convenience in processing, convenience for modification of the conventional equipment, low cost and the like.
Description
Technical field
Totally-enclosed compressor with the auxilliary bearing of simple structure of the present invention relates to the auxilliary bearing technology of totally-enclosed compressor.
Background technique
The compressor of existing technology all has the compression pump housing with an electric rotating machine and be connected motor and the rotating shaft of the pump housing; The three is fixed in a totally enclosed enclosure interior; Fixing between motor stator and the housing; The rotor rotation drives pump body compression, and rotating shaft needs main bearing and the constraint of auxilliary bearing that it can only be rotated usually.Existing major-minor bearing is generally multi-layer compound structure cylindraceous, complex structure, and machining accuracy is higher, the assembling trouble, especially auxilliary bearing also needs countershaft that the thrust structure of axial constraint is provided.To existing problem in the above-mentioned existing technology, a kind of novel totally-enclosed compressor of research and design with the auxilliary bearing of simple structure, existing problem is very necessary in the existing technology thereby overcome.
Summary of the invention
In view of existing problem in the above-mentioned existing technology, the objective of the invention is a kind of novel totally-enclosed compressor of research and design with the auxilliary bearing of simple structure.In order to solve the defective that exists in the existing technology: main and auxiliary bearing unit retrains rotating shaft jointly, makes it can only carry out axial rotation.This is designed to multi-layer compound structure, complex structure, and machining accuracy is higher, the assembling trouble.Especially auxilliary bearing also needs countershaft that the thrust structure of axial constraint is provided.
Technical solution of the present invention is achieved in that
Totally-enclosed compressor with the auxilliary bearing of simple structure of the present invention is made up of the compression pump housing, drive motor, casing cylinder, main bearing assembly, rotating shaft and compressor lower cover; The compression pump housing, drive motor main bearing assembly and rotating shaft are contained in the casing cylinder, and the compressor lower cover is equipped with in the bottom of casing cylinder; The compression pump housing and main bearing assembly are contained in the top of rotating shaft; Drive motor is contained in the middle part of rotating shaft, and the stator of drive motor is installed on the casing cylinder, and rotor is installed in the rotating shaft; It is characterized in that in the bottom of casing cylinder support being housed, the auxilliary bearing of top tip structure is equipped with at the center of support; The axle center of the auxilliary bearing of top tip structure is processed with oilhole and communicates with through hole on the support; The auxilliary bearings of top tip structure is in the bottom of the rotating shaft surface of contact of rotating shaft bottom.
Totally-enclosed compressor with the auxilliary bearing of simple structure of the present invention is made up of the compression pump housing, drive motor, casing cylinder, main bearing assembly, rotating shaft and compressor lower cover; The compression pump housing, drive motor main bearing assembly and rotating shaft are contained in the casing cylinder, and the compressor lower cover is equipped with in the bottom of casing cylinder; The compression pump housing and main bearing assembly are contained in the top of rotating shaft; Drive motor is contained in the middle part of rotating shaft, and the stator of drive motor is installed on the casing cylinder, and rotor is installed in the rotating shaft; The auxilliary bearing of top tip structure is equipped with in the central position that it is characterized in that described compressor lower cover, is processed with L type oilhole on the auxilliary bearing of top tip structure; The auxilliary bearings of top tip structure is in the bottom of the rotating shaft surface of contact of rotating shaft bottom.
Rotating shaft surface of contact of the present invention bottom is processed as straight chamfering or arc transition chamfering.
The top inclined-plane of the auxilliary bearing of top tip structure of the present invention is processed as the conical surface or revolution concave curved surface, and make wear resistant coating and handles or the cushioning bearing shell at place, top inclined-plane.
The top inclined-plane of the auxilliary bearing of top tip structure of the present invention is processed as the conical surface or revolution concave curved surface, and make wear resistant coating and handles or the cushioning bearing shell at place, top inclined-plane.
The present invention improves the auxilliary bearing unit structure of existing totally-enclosed compressor; Retrain rotating shaft through auxilliary bearing unit and only axially rotating original; And countershaft provides the thrust structure of axial constraint; Be reduced to through the auxilliary bearings rotating shaft of top tip structure, the shape through area of contact reasonable in design and revolving body surface is to satisfy the support needs of rotating shaft high speed rotating.Inclined contact surface while the radial and axial of countershaft retrains, and reaches the purpose of simplifying the auxiliary bearing structure.Do wear resistant coating processing or cushioning bearing shell at place, top inclined-plane to improve the wear resistance on surface.
Advantage of the present invention is conspicuous, mainly shows:
1, the top inclined-plane of the auxilliary axle of top tip structure of the present invention provides axially and radial support to rotating shaft simultaneously, simplified structure.
2, the top inclined-plane of the auxilliary axle of top tip structure of the present invention can utilize lathe directly to process, and expense is low.
3, the auxilliary axle position of top tip structure of the present invention can make the compressor oil filling amount reduce more near the compressor bottom.
When 4, compressor is assembled,, certain axial pressure is provided, guarantees auxilliary bearing automatic centering, be convenient to assembling through the principle that top tip structure is looked for the heart automatically.
The present invention have novel structure, simplification, processing easy, be convenient to advantages such as existing equipment transformation, expense be low, it puts goods on the market in enormous quantities and will produce positive social benefit and remarkable economic efficiency.
Description of drawings
The present invention has 6 width of cloth accompanying drawings, wherein:
Accompanying drawing 1 rotating shaft surface of contact of the present invention is that straight chamfering, top inclined-plane are the structural representation of the conical surface;
Accompanying drawing 2 rotating shaft surface of contact of the present invention are that arc transition chamfering, top inclined-plane are for turning round the structural representation of concave curved surface;
The top inclined-plane of the auxilliary bearing of accompanying drawing 3 top tip structures is the conical surface and the structural representation that is processed with oilhole;
The top inclined-plane of the auxilliary bearing of accompanying drawing 4 top tip structures is revolution concave curved surface and the structural representation that is processed with oilhole;
Accompanying drawing 5 rotating shaft surface of contact bottom is the structural representation of straight chamfering;
Accompanying drawing 6 rotating shaft surface of contact bottom is the structural representation of arc transition chamfering;
Accompanying drawing 7 is the auxilliary bearing schematic representation of the totally-enclosed compressor of existing common structure;
In the drawings: 1, the compression pump housing 2, drive motor 3, casing cylinder 4, main bearing assembly 5, rotating shaft 5.1, rotating shaft surface of contact 6, compressor lower cover 7, support 8 (8 '), the auxilliary bearing 8.1 of top tip structure (8 ' .1), top inclined-plane 9, oilhole 10, through hole 11, L type oilhole.
Practical implementation of the present invention for example shown in the accompanying drawing 1, is made up of the compression pump housing 1, drive motor 2, casing cylinder 3, main bearing assembly 4, rotating shaft 5 and 6 of compressor lower covers; The compression pump housing 1, drive motor 2 main bearing assemblies 4 are contained in the casing cylinder 3 with rotating shaft 5, and compressor lower cover 6 is equipped with in the bottom of casing cylinder 3; The compression pump housing 1 and main bearing assembly 4 are contained in the top of rotating shaft 5; Drive motor 2 is contained in the middle part of rotating shaft 5, and the stator of drive motor 2 is installed on the casing cylinder 3, and rotor is installed in the rotating shaft 5; It is characterized in that in the bottom of casing cylinder 3 support 7 being housed, the auxilliary bearing 8 of top tip structure is equipped with at the center of support 7; The axle center of the auxilliary bearing 8 of top tip structure is processed with oilhole 9 and communicates with through hole 10 on the support 7; The auxilliary bearing 8 of top tip structure is supported on the bottom of the rotating shaft surface of contact 5.1 of rotating shaft 5 bottoms.
Rotating shaft surface of contact 5.1 bottoms are processed as straight chamfering.
The top inclined-plane 8.1 of the auxilliary bearing 8 of top tip structure is processed as the conical surface, and make wear resistant coating and handle at 8.1 places, top inclined-plane.
Embodiment 2
Practical implementation of the present invention for example shown in the accompanying drawing 2, is made up of the compression pump housing 1, drive motor 2, casing cylinder 3, main bearing assembly 4, rotating shaft 5 and 6 of compressor lower covers; The compression pump housing 1, drive motor 2 main bearing assemblies 4 are contained in the casing cylinder 3 with rotating shaft 5, and compressor lower cover 6 is equipped with in the bottom of casing cylinder 3; The compression pump housing 1 and main bearing assembly 4 are contained in the top of rotating shaft 5; Drive motor 2 is contained in the middle part of rotating shaft 5, and the stator of drive motor 2 is installed on the casing cylinder 3, and rotor is installed in the rotating shaft 5; The central position that it is characterized in that described compressor lower cover 6 be equipped with the auxilliary bearing 8 of top tip structure ', top tip structure assist bearing 8 ' on be processed with L type oilhole 11; Top tip structure is assisted bearing 8 ' the be supported on bottom of the rotating shaft surface of contact 5.1 of rotating shaft 5 bottoms.
Rotating shaft surface of contact 5.1 bottoms are processed as the arc transition chamfering.
Top tip structure assist bearing 8 ' top inclined-plane 8 ' .1 be processed as the revolution concave curved surface, make wear resistant coating and handle at 8 ' .1 place, top inclined-plane.
The above; Be merely preferable embodiment of the present invention; But protection scope of the present invention is not limited thereto; All are familiar with the technician in present technique field in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technological scheme of the present invention and design of the present invention thereof.
Claims (5)
1. the totally-enclosed compressor with the auxilliary bearing of simple structure is made up of the compression pump housing (1), drive motor (2), casing cylinder (3), main bearing assembly (4), rotating shaft (5) and compressor lower cover (6); The compression pump housing (1), drive motor (2) main bearing assembly (4) are contained in the casing cylinder (3) with rotating shaft (5), and compressor lower cover (6) is equipped with in the bottom of casing cylinder (3); The compression pump housing (1) and main bearing assembly (4) are contained in the top of rotating shaft (5); Drive motor (2) is contained in the middle part of rotating shaft (5), and the stator of drive motor (2) is installed on the casing cylinder (3), and rotor is installed in the rotating shaft (5); It is characterized in that in the bottom of casing cylinder (3) support (7) being housed, the auxilliary bearing (8) of top tip structure is equipped with at the center of support (7); The axle center that top tip structure is assisted bearing (8) is processed with oilhole (9) and communicates with through hole (10) on the support (7); Top tip structure is assisted the bottom that bearing (8) is supported on the rotating shaft surface of contact (5.1) of rotating shaft (5) bottom.
2. the totally-enclosed compressor with the auxilliary bearing of simple structure is made up of the compression pump housing (1), drive motor (2), casing cylinder (3), main bearing assembly (4), rotating shaft (5) and compressor lower cover (6); The compression pump housing (1), drive motor (2) main bearing assembly (4) are contained in the casing cylinder (3) with rotating shaft (5), and compressor lower cover (6) is equipped with in the bottom of casing cylinder (3); The compression pump housing (1) and main bearing assembly (4) are contained in the top of rotating shaft (5); Drive motor (2) is contained in the middle part of rotating shaft (5), and the stator of drive motor (2) is installed on the casing cylinder (3), and rotor is installed in the rotating shaft (5); The auxilliary bearing (8 ') of top tip structure is equipped with in the central position that it is characterized in that described compressor lower cover (6), and top tip structure is assisted and is processed with L type oilhole (11) on the bearing (8 '); Top tip structure is assisted the bottom that bearing (8 ') is supported on the rotating shaft surface of contact (5.1) of rotating shaft (5) bottom.
3. the totally-enclosed compressor with the auxilliary bearing of simple structure according to claim 1 and 2 is characterized in that described rotating shaft surface of contact (5.1) bottom is processed as straight chamfering or arc transition chamfering.
4. the totally-enclosed compressor with the auxilliary bearing of simple structure according to claim 1; It is characterized in that described top tip structure assists the top inclined-plane (8.1) of bearing (8) and be processed as the conical surface or revolution concave curved surface, top inclined-plane (8.1) locate to do that wear resistant coating is handled or the cushioning bearing shell.
5. the totally-enclosed compressor with the auxilliary bearing of simple structure according to claim 2; (8 ' .1) are processed as the conical surface or revolution concave curved surface, and (8 ' .1) locate to do wear resistant coating handles or the cushioning bearing shell on top inclined-plane to it is characterized in that assisting the top inclined-plane of bearing (8 ') by described top tip structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104418728A CN102444585A (en) | 2011-12-24 | 2011-12-24 | Full-closed compressor with simple-structure auxiliary bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104418728A CN102444585A (en) | 2011-12-24 | 2011-12-24 | Full-closed compressor with simple-structure auxiliary bearing |
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| Publication Number | Publication Date |
|---|---|
| CN102444585A true CN102444585A (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104418728A Pending CN102444585A (en) | 2011-12-24 | 2011-12-24 | Full-closed compressor with simple-structure auxiliary bearing |
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| CN (1) | CN102444585A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020100638A1 (en) * | 2001-01-26 | 2002-08-01 | Scroll Technologies | Lower bearing mount for sealed compressor |
| CN2811616Y (en) * | 2005-08-15 | 2006-08-30 | 钱永贵 | Vortex compressor with novel lower support structure for air conditioner |
| KR20070093640A (en) * | 2006-03-14 | 2007-09-19 | 엘지전자 주식회사 | Oil pumping device for enclosed compressor |
| JP4189713B2 (en) * | 2000-07-10 | 2008-12-03 | 三菱電機株式会社 | Refrigerant compressor |
| CN201916200U (en) * | 2010-12-28 | 2011-08-03 | 广东美芝制冷设备有限公司 | Oil passage structure of thrust brake of rotary compressor |
| CN202391743U (en) * | 2011-12-24 | 2012-08-22 | 大连三洋压缩机有限公司 | Full-closed compressor provided with simple-structure auxiliary bearing |
-
2011
- 2011-12-24 CN CN2011104418728A patent/CN102444585A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4189713B2 (en) * | 2000-07-10 | 2008-12-03 | 三菱電機株式会社 | Refrigerant compressor |
| US20020100638A1 (en) * | 2001-01-26 | 2002-08-01 | Scroll Technologies | Lower bearing mount for sealed compressor |
| CN2811616Y (en) * | 2005-08-15 | 2006-08-30 | 钱永贵 | Vortex compressor with novel lower support structure for air conditioner |
| KR20070093640A (en) * | 2006-03-14 | 2007-09-19 | 엘지전자 주식회사 | Oil pumping device for enclosed compressor |
| CN201916200U (en) * | 2010-12-28 | 2011-08-03 | 广东美芝制冷设备有限公司 | Oil passage structure of thrust brake of rotary compressor |
| CN202391743U (en) * | 2011-12-24 | 2012-08-22 | 大连三洋压缩机有限公司 | Full-closed compressor provided with simple-structure auxiliary bearing |
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Application publication date: 20120509 |