CN104728107A - Motor shaft assembly and compressor - Google Patents
Motor shaft assembly and compressor Download PDFInfo
- Publication number
- CN104728107A CN104728107A CN201310722633.9A CN201310722633A CN104728107A CN 104728107 A CN104728107 A CN 104728107A CN 201310722633 A CN201310722633 A CN 201310722633A CN 104728107 A CN104728107 A CN 104728107A
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- bearing
- motor shaft
- shaft assembly
- compressor
- rotating shaft
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The invention discloses a motor shaft assembly, which comprises a vertically arranged rotating shaft, wherein a bracket which is fixedly arranged on a compressor shell sleeves the top end part of the rotating shaft; and a bearing which is sleeved coaxially with the rotating shaft is arranged on the top of the bracket. The bracket at the top end of the rotating shaft is capable of providing enough structure support force for upper related structures of the motor shaft assembly in a working process; the overall structure support force of the motor shaft assembly is relatively balanced in distribution; and the phenomena such as component abrasion caused by uneven support force distribution are avoided, so that the overall structure of the compressor is relatively reliable and durable; and meanwhile, the baring block is capable of realizing centering limiting on the bearing to ensure the adaptability and the running stability between the bearing and the related mating members such as the rotating shaft and the crank shaft in the running process of equipment, so that the overall running of the compressor is relatively stable and efficient. The invention further discloses a compressor employing the motor shaft assembly.
Description
Technical field
The present invention relates to compressor corollary equipment technical field, particularly a kind of motor shaft assembly.The invention still further relates to the compressor of this motor shaft assembly of a kind of application.
Background technique
Compressor is a kind of very common refrigeration corollary equipment, and motor shaft assembly is as a work package requisite in compressor main body structure, and its service behaviour also gets more and more people's extensive concerning day by day.
In the motor shaft general assembly structure of current existing motor shaft general assembly structure, especially vertical compressor, it coordinates as main bearing using bent axle major axis and upper flange usually, and coordinates as supplementary bearing using bent axle minor axis and lower flange.This kind of structural type causes the mass distribution of its motor shaft assembly part uneven, superstructure quality is larger, substructure quality is less, but integrally-built primary force relies on lower part structure to provide, superstructure lacks effective mounting structures, this structural type supporting force distribution is unbalance, have a strong impact on the overall operation stability of compressor, make compressor cannot be applicable to some and high Environmental Conditions is required to compressor reliability, and its structure only on the lower part-structure support also make its bent axle major and minor axis position frictional loss also larger, adverse effect is caused to the volume fatigue strength of compressor and working life.
Therefore, how to make the structural support of motor shaft assembly distribute more balanced, and make the more reliability and durability those skilled in the art of being of the overall structure of compressor need the important technological problems solved at present.
Summary of the invention
The object of this invention is to provide a kind of motor shaft assembly, the structural support distribution of this motor shaft assembly is comparatively balanced, and the overall structure of compressor can be made more reliability and durability.Another object of the present invention is to provide a kind of compressor applying above-mentioned motor shaft assembly.
For solving the problems of the technologies described above, the invention provides a kind of motor shaft assembly, comprise the rotating shaft vertically arranged, the tip portion of described rotating shaft is arranged with the support be fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package;
The top of described support is also provided with coaxial package in the bearing support of the peripheral part of described bearing, is fixed between described bearing support and described support by securing means.
Preferably, described securing means is the screw running through described bearing support and described support along the axis of described rotating shaft successively.
Preferably, the bearing fastening screw trip bolt by being coaxially plugged in described rotating shaft top between described bearing and described rotating shaft fixes.
Preferably, described bearing is any one in ball bearing or ball bearing.
The present invention also provides a kind of compressor, comprises housing, is provided with motor shaft assembly in described housing, and described motor shaft assembly is specially the motor shaft assembly as described in above-mentioned any one.
Preferably, be welded and fixed between described support and described housing.
Relative above-mentioned background technology, motor shaft assembly provided by the present invention, comprise the rotating shaft vertically arranged, the tip portion of described rotating shaft is arranged with the support be fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package.In working procedure, the described support being positioned at described rotating shaft top can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, the overall structure support force of described motor shaft assembly is distributed more balanced, and avoid the phenomenons such as the component wear caused because of supporting force skewness, thus make the overall structure of compressor more reliability and durability; Meanwhile, described bearing support can realize the centering of described bearing spacing, to ensure suitability between equipment running process middle (center) bearing counterpart relevant to rotating shaft and bent axle etc. and operation stability, thus makes the overall operation stability and high efficiency more of compressor.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Assembly structure schematic diagram between the motor shaft assembly of the compressor that Fig. 1 provides for a kind of embodiment of the present invention and associated component thereof.
Embodiment
Core of the present invention is to provide a kind of motor shaft assembly, and the structural support distribution of this motor shaft assembly is comparatively balanced, and the overall structure of compressor can be made more reliability and durability; Meanwhile, a kind of compressor applying above-mentioned motor shaft assembly is provided.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, the assembly structure schematic diagram between the motor shaft assembly of the compressor that Fig. 1 provides for a kind of embodiment of the present invention and associated component thereof.
In a specific embodiment, motor shaft assembly provided by the present invention, comprise the rotating shaft 11 vertically arranged, the tip portion of rotating shaft 11 is arranged with the support 12 be fixed on compressor housing 21, and the top of support 12 is provided with the bearing 111 with rotating shaft 11 coaxial package.In working procedure, the support 12 being positioned at rotating shaft 11 top can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, the overall structure support force of described motor shaft assembly is distributed more balanced, and avoid the phenomenons such as the component wear caused because of supporting force skewness, thus make the overall structure of compressor more reliability and durability; Meanwhile, bearing support 121 can realize the centering of bearing 111 spacing, to ensure suitability between equipment running process middle (center) bearing 111 to the relevant counterparts such as rotating shaft 11 and bent axle and operation stability, thus makes the overall operation stability and high efficiency more of compressor.
Further, adopt above-mentioned mounting structure, can ensure that bearing outer ring and bent axle have good coaxality, bearing and bent axle can be rotated freely, the effect of extra harmful power can not be subject to, make bearing can the running of steady and smooth, improve bearing life, do not produce extra friction power loss, improve compressor efficiency further.
More specifically, securing means 122 is the screw of axial through-shaft bearing 121 and support 12 successively along rotating shaft 11.This kind of screw assembly structure is comparatively simple and reliable, thus between guarantee bearing support 121 and support 12 while fastening structure reliability, can effectively simplify the dependency structure of described motor shaft assembly.Certainly, above-mentioned securing means 122 is not limited to the screw shown in figure, as long as can meet the actual use needs of described motor shaft assembly.
On the other hand, the bearing fastening screw trip bolt 112 by being coaxially plugged in rotating shaft 11 top between bearing 111 and rotating shaft 11 fixes.The assembly structure that this kind is made up of bearing fastening screw trip bolt 112 is comparatively simple and reliable, thus between guarantee bearing 111 and rotating shaft 11 while fastening structure reliability, can effectively simplify the dependency structure of described motor shaft assembly.It should be pointed out that the assembling form between above-mentioned bearing 111 and rotating shaft 11 is not limited to the bearing fastening screw trip bolt 112 shown in figure, as long as the actual use needs of described motor shaft assembly can be met.
In addition, bearing 111 is any one in rolling bearing or sliding bearing.Should be clear and definite, this bearing 111 is not limited to ball bearing mentioned above or ball bearing, as long as can meet the actual use needs of described motor shaft assembly.
It should be pointed out that in the production operation process specific to reality, above-mentioned bearing 111 can be aligning antifriction bearing or point contact ball bearing, and this aligning antifriction bearing and point contact ball bearing can improve the overall performance of compressor further.
In a specific embodiment, compressor provided by the present invention, comprises housing 21, is provided with motor shaft assembly in housing 21, and described motor shaft assembly is specially the motor shaft assembly as described in foregoing embodiments.The structural support distribution of described compressor is comparatively balanced, and its overall structure is comparatively reliability and durability.
In addition, be welded and fixed between support 12 and housing 21.The assembling form that this kind is welded and fixed is easy and simple to handle, and assembling intensity is higher, the integral installation distribution structure reliability of described compressor can be made to be able to corresponding raising, and its assembling difficulty is suitably reduced.Certainly, the assembling form between this support 12 and housing 21 is not limited to mentioned above being welded and fixed, as long as can meet the actual use needs of described compressor.
Specific in the assembly manipulation process of reality, the assembling process of above-mentioned compressor is: by existing current techique, bent axle, roller, cylinder, upper lower flange etc. to be fitted together and by rotor hot jacket on bent axle, obtain the first modular assembly, motor stator hot jacket is obtained the second modular assembly on housing, existing clearance gauge is adopted to ensure the uniformity in rotor gap again, first modular assembly is loaded in the second modular assembly, pump housing sucking pipe is assembled in cylinder suction port by housing, forms compressor assembly.Heating jacket tooling is adopted bearing bracket to be welded on motor upper end position on compressor assembly.Centration axis bearing centering screw is arranged on bearing bracket, does not tighten.Dress bearing, fastening with bearing fastening screw trip bolt.Under the state keeping pump housing running, tighten centering screw, complete bearing and install.
In summary, the motor shaft assembly provided in the present invention, comprise the rotating shaft vertically arranged, the tip portion of described rotating shaft is arranged with the support be fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package.In working procedure, the described support being positioned at described rotating shaft top can provide enough structure supporting forces for the top dependency structure of described motor shaft assembly, the overall structure support force of described motor shaft assembly is distributed more balanced, and avoid the phenomenons such as the component wear caused because of supporting force skewness, thus make the overall structure of compressor more reliability and durability; Meanwhile, described bearing support can realize the centering of described bearing spacing, to ensure suitability between equipment running process middle (center) bearing counterpart relevant to rotating shaft and bent axle etc. and operation stability, thus makes the overall operation stability and high efficiency more of compressor.
In addition, the compressor of the above-mentioned motor shaft assembly of application provided by the invention, the structural support distribution of this compressor is comparatively balanced, and its overall structure is comparatively reliability and durability.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Above motor shaft assembly provided by the present invention and the compressor of applying this motor shaft assembly are described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (6)
1. a motor shaft assembly, is characterized in that: comprise the rotating shaft vertically arranged, the tip portion of described rotating shaft is arranged with the support be fixed on compressor housing, and the top of described support is provided with the bearing with described rotating shaft coaxial package;
The top of described support is also provided with coaxial package in the bearing support of the peripheral part of described bearing, is fixed between described bearing support and described support by securing means.
2. motor shaft assembly as claimed in claim 1, is characterized in that: described securing means is the screw running through described bearing support and described support along the axis of described rotating shaft successively.
3. motor shaft assembly as claimed in claim 1, is characterized in that: the bearing fastening screw trip bolt by being coaxially plugged in described rotating shaft top between described bearing and described rotating shaft fixes.
4. motor shaft assembly as claimed in claim 1, is characterized in that: described bearing is any one in rolling bearing or sliding bearing.
5. a compressor, comprises housing, is provided with motor shaft assembly, it is characterized in that in described housing: described motor shaft assembly is specially the motor shaft assembly according to any one of Claims 1-4.
6. motor shaft assembly as claimed in claim 5, is characterized in that: be welded and fixed between described support and described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722633.9A CN104728107A (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722633.9A CN104728107A (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104728107A true CN104728107A (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310722633.9A Pending CN104728107A (en) | 2013-12-24 | 2013-12-24 | Motor shaft assembly and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201843A (en) * | 2015-10-22 | 2015-12-30 | 广东美芝制冷设备有限公司 | Rotary compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291797A (en) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | Scroll compressor |
| KR20100036131A (en) * | 2008-09-29 | 2010-04-07 | 엘지전자 주식회사 | Hermetic compressor and refrigerator having the same |
| CN201827076U (en) * | 2010-09-14 | 2011-05-11 | 东芝开利株式会社 | Airtight compressor and refrigeration cycle device |
| CN102094828A (en) * | 2009-12-10 | 2011-06-15 | 广东美芝制冷设备有限公司 | Dual-support rotary type compressor |
| CN102235359A (en) * | 2010-05-06 | 2011-11-09 | Lg电子株式会社 | Hermetic compressor and manufacturing method thereof |
| CN103541902A (en) * | 2012-07-10 | 2014-01-29 | 广东美芝制冷设备有限公司 | Rotary type compressor with low-back-pressure shell |
| CN203822635U (en) * | 2013-12-24 | 2014-09-10 | 珠海凌达压缩机有限公司 | Motor shaft assembly and compressor |
-
2013
- 2013-12-24 CN CN201310722633.9A patent/CN104728107A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08291797A (en) * | 1995-04-20 | 1996-11-05 | Fujitsu General Ltd | Scroll compressor |
| KR20100036131A (en) * | 2008-09-29 | 2010-04-07 | 엘지전자 주식회사 | Hermetic compressor and refrigerator having the same |
| CN102094828A (en) * | 2009-12-10 | 2011-06-15 | 广东美芝制冷设备有限公司 | Dual-support rotary type compressor |
| CN102235359A (en) * | 2010-05-06 | 2011-11-09 | Lg电子株式会社 | Hermetic compressor and manufacturing method thereof |
| CN201827076U (en) * | 2010-09-14 | 2011-05-11 | 东芝开利株式会社 | Airtight compressor and refrigeration cycle device |
| CN103541902A (en) * | 2012-07-10 | 2014-01-29 | 广东美芝制冷设备有限公司 | Rotary type compressor with low-back-pressure shell |
| CN203822635U (en) * | 2013-12-24 | 2014-09-10 | 珠海凌达压缩机有限公司 | Motor shaft assembly and compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201843A (en) * | 2015-10-22 | 2015-12-30 | 广东美芝制冷设备有限公司 | Rotary compressor |
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Application publication date: 20150624 |