CN202510424U - Centrifugal compressor and shell thereof - Google Patents
Centrifugal compressor and shell thereof Download PDFInfo
- Publication number
- CN202510424U CN202510424U CN2012201715900U CN201220171590U CN202510424U CN 202510424 U CN202510424 U CN 202510424U CN 2012201715900 U CN2012201715900 U CN 2012201715900U CN 201220171590 U CN201220171590 U CN 201220171590U CN 202510424 U CN202510424 U CN 202510424U
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- Prior art keywords
- cavity
- motor
- centrifugal compressor
- compressor
- stator
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- Expired - Lifetime
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- 238000009434 installation Methods 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 239000010726 refrigerant oil Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a centrifugal compressor and casing thereof. The centrifugal compressor housing includes: a compressor mounting cavity; and the motor mounting cavity is integrally connected with the compressor mounting cavity. The utility model provides a centrifugal compressor casing closes original centrifugal compressor's compressor installation cavity (box) and motor installation cavity (motor barrel) into a part, can make the structure compacter, centrifugal compressor's whole weight has been reduced, and a die sinking has been reduced, the die sinking cost has been reduced, the production efficiency of foundry goods has been improved simultaneously, and reduced the assembly step when centrifugal compressor assembles, the location of spare part in the casing, the installation is more swift, assembly efficiency and assembly precision have been improved. And because the gasket is not adopted to realize the connection and sealing between the two cavities, the technical problems that the gasket is corroded by refrigerant and lubricating oil for a long time and a screw is loosened due to long-time vibration, and the sealing effect of the unit is reduced finally are completely solved.
Description
Technical field
The utility model relates to the Compressor Technology field, especially, relates to a kind of housing of centrifugal compressor.In addition, the utility model also relates to a kind of centrifugal compressor that comprises above-mentioned housing.
Background technique
Casing and motor cylindrical shell are independent structures in the centrifugal compressor of routine, and casing is connected through screw with the motor cylindrical shell, and during installation, through pin and seam location, for the bigger centrifugal compressor of power, motor weight is bigger, and difficulty is higher during installation.In order to guarantee the coaxality of motor front and back sliding bearing, need guarantee the coaxial accuracy of casing, motor cylindrical shell, back end cover for motor simultaneously, and the positional accuracy of pin hole.Even the coaxality of single part meets the demands, still, the deviation of a plurality of parts also is difficult to guarantee designing requirement through adding up.Will cause beating of electric machine main shaft bigger than normal like this, thereby cause beating of impeller bigger than normal.And conventional centrifugal compressor is in order to guarantee coaxality as far as possible, and assembling difficulty is big, and assembler's technical ability is had relatively high expectations.
In addition, through gasket seal, through after turning round for a long time, pad receives the corrosion of refrigerant and lubricant oil for a long time at unit, causes the sealing effect of unit to descend between casing and the motor cylindrical shell.
The model utility content
The utility model purpose is to provide a kind of centrifugal compressor and housing thereof, with the housing that solves existing centrifugal compressor because form and can't guarantee the technical problem that coaxality, efficiency of assembling are low, assembling difficulty is high and the unit sealing effect can't keep for a long time of sliding bearing before and after the motor by casing and motor cylindrical shell two-part.
For realizing above-mentioned purpose, an aspect according to the utility model provides a kind of centrifugal compressor casing, comprising: compressor is installed cavity; Motor is installed cavity, with compressor the cavity one is installed and is connected.
Further, compressor is installed cavity and is comprised the spiral case cavity that is positioned at first end, is formed with the composite bearing bearing in the spiral case cavity cavity is installed, and the inwall that the composite bearing bearing is installed cavity is formed with composite bearing bearing locating face; Motor is installed cavity and is comprised the motor stator installation cavity that links to each other with first end of compressor installation cavity, and the inwall that motor stator is installed cavity is formed with the stator attachment face, and stator attachment face and composite bearing bearing locating face are coaxial to be provided with in order.
Further, the composite bearing bearing is installed the end face formation impeller-diffuser locating face away from motor installation cavity of cavity.
Further, compressor is installed cavity and is also comprised and the location cavity of volute chamber body by integral forming, is formed with the return channel locating face in the cavity of location.
Further, also be formed with the controlling mechanism locating face in the cavity of location.
Further, the sidewall of location cavity is provided with gas supplementing opening.
Further, the inwall of the motor stator installation cavity of motor installation cavity also is formed with spiral stator cooling bath.
Further, the sidewall of motor stator installation cavity is provided with stator cooling liquid entering hole.
Further, motor is installed cavity and is also comprised the motor installation cavity that links to each other in order with motor stator installation cavity, and the sidewall that motor is installed cavity is provided with the motor connection jaws.
According to the utility model on the other hand, a kind of centrifugal compressor is provided also, has had the housing that is used to install compressor and motor, this housing is above-mentioned centrifugal compressor casing.
The utlity model has following beneficial effect:
The centrifugal compressor casing that the utility model provides comprises that compressor is installed cavity and motor is installed cavity, and this compressor is installed cavity and is connected with motor installation cavity one.The centrifugal compressor casing that the utility model provides is installed cavity (casing) with the compressor of original centrifugal compressor and is combined into a part with motor installation cavity (motor cylindrical shell); Can make structure compact more; Reduce the overall weight of centrifugal compressor, and reduced by a die sinking, reduced the die sinking cost; Improved the manufacturing efficiency of foundry goods simultaneously; And when centrifugal compressor assembles, having reduced installation step, location, the installation of the interior component of housing are faster, have improved efficiency of assembling and assembly precision.And; Realize the connection sealing between two cavitys owing to no longer adopt pad; Overcome burn into screw that pad receives refrigerant and lubricant oil for a long time fully and fluffed, the technical problem that finally can cause the sealing effect of unit to descend owing to vibration for a long time.
Except top described purpose, feature and advantage, the utility model also has other purpose, feature and advantage.To do further detailed explanation to the utility model with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the cross-sectional view of the centrifugal compressor casing of the utility model preferred embodiment; And
Fig. 2 is the perspective view of the centrifugal compressor casing of the utility model preferred embodiment.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As depicted in figs. 1 and 2, the utility model provides a kind of centrifugal compressor casing, comprising: compressor is installed cavity A and with compressor the motor installation cavity B that cavity A one is connected is installed.
The compressor of existing centrifugal compressor is installed cavity (casing) to the centrifugal compressor casing that the utility model provides and motor installation cavity (motor cylindrical shell) is combined into a part; Can make the structure of housing compact more; Reduced the overall weight of centrifugal compressor; And reduced by a die sinking, reduced the die sinking cost, improved the manufacturing efficiency of foundry goods simultaneously; And, with respect to the structure of routine, saved the processing that compressor is installed cavity A and motor installation cavity B fitting surface, improved mach efficient; Conventional compressor is installed the machining of cavity A and motor installation cavity B and need be carried out respectively, and for centrifugal compressor, both weight is all very heavy; All need drive a vehicle and carry, efficient is lower, and the integral structure of the utility model; In the carrying of part, the nearly half the time has been saved in location, aspects such as assembling.In addition; Cavity A is installed the compressor of conventional centrifugal compressor and motor is installed between the cavity B through gasket seal and screw; Through after turning round for a long time, the burn into screw that pad receives refrigerant and lubricant oil for a long time fluffs owing to vibrating for a long time, finally can cause the sealing effect of unit to descend at unit; And the solution of the perfect structure of the utility model this problem, also saved assembly process one.
Specifically, compressor is installed cavity A and is comprised the spiral case cavity A1 that is positioned at first end, is formed with the composite bearing bearing in the spiral case cavity A1 cavity A11 is installed, and the inwall that the composite bearing bearing is installed cavity A11 is formed with composite bearing bearing locating face a1; Motor is installed cavity B and is comprised the motor stator installation cavity B1 that links to each other with first end of compressor installation cavity A, and the inwall that motor stator is installed cavity B1 is formed with stator attachment face b1, and stator attachment face b1 and composite bearing bearing locating face a1 are coaxial to be provided with in order.
In addition, the composite bearing bearing is installed the end face formation impeller-diffuser locating face a3 away from motor installation cavity B of cavity A11.
Compressor is installed cavity A and is also comprised the integrated location cavity A2 with spiral case cavity A1, is formed with return channel locating face a5 in the cavity A2 of location.Also be formed with controlling mechanism locating face a7 in the cavity A2 of location.The sidewall of location cavity A2 is provided with gas supplementing opening a9.
The inwall that motor is installed the motor stator installation cavity B1 of cavity B also is formed with spiral stator cooling bath b3.And the sidewall that motor stator is installed cavity B1 is provided with stator cooling liquid entering hole b5.
Motor is installed cavity B and is also comprised the motor installation cavity B2 that links to each other in order with motor stator installation cavity B1, and the sidewall that motor is installed cavity B2 is provided with motor connection jaws b7.
Another aspect according to the utility model also provides a kind of centrifugal compressor, and this centrifugal compressor has the housing that is used to install compressor and motor, and this housing is above-mentioned centrifugal compressor casing.
Compare with the centrifugal compressor casing that two absolute construction of employing of routine combine; Remove former compressor the attachment face of composite bearing on the cavity A, support ring, motor shaft labyrinth seal has been installed, and increased a composite bearing bearing locating face a1 newly, during assembling motor shaft labyrinth seal, composite bearing, composite bearing bearing, motor shaft dress have been one; Being installed to compressor again installs on the cavity A; Independent space of installing is big, easier for installation, and integral layout is also more reasonable.
The centrifugal compressor casing that the utility model is provided adds man-hour, can obtain the basic structure of whole housing at first through casting, and roughing casing inner and outer surface keeps certain surplus then, and the ordinary circumstance surplus is got monolateral 0.5mm.The work in-process heart; Stator attachment face b1 with roughing is a benchmark, and fine finishing stator attachment face is a benchmark with the stator attachment face b1 after the fine finishing to the drawing requirement size then; Again successively fine finishing controlling mechanism locating face a7, return channel locating face a5, impeller-diffuser locating face a3, composite bearing bearing locating face a1 to the drawing requirement size; Guarantee the coaxality of above-mentioned working surface and stator attachment face b1, thereby when the assembling compressor, can guarantee the coaxial accuracy of rotor and stator, make motor properties more stable; Also can guarantee simultaneously the coaxality of main shaft and front and back bearings and labyrinth seal, guarantee the operation that compressor is steady in a long-term.At last, accomplish the fine finishing of the outside face of housing, require tolerance and roughness to reach drawing requirement, and finally accomplish the processing of whole centrifugal compressor casing.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a centrifugal compressor casing is characterized in that, comprising:
Compressor is installed cavity (A);
Motor is installed cavity (B), with said compressor cavity (A) one is installed and is connected.
2. centrifugal compressor casing according to claim 1 is characterized in that,
Said compressor is installed cavity (A) and is comprised the spiral case cavity (A1) that is positioned at first end; Be formed with the composite bearing bearing in the said spiral case cavity (A1) cavity (A11) is installed, the inwall that said composite bearing bearing is installed cavity (A11) is formed with composite bearing bearing locating face (a1);
Said motor is installed cavity (B) and is comprised the motor stator installation cavity (B1) that links to each other with first end of compressor installation cavity (A); The inwall that said motor stator is installed cavity (B1) is formed with stator attachment face (b1), and said stator attachment face (b1) is provided with said composite bearing bearing locating face (a1) is coaxial in order.
3. centrifugal compressor casing according to claim 2 is characterized in that, the end face away from said motor installation cavity (B) that said composite bearing bearing is installed cavity (A11) forms impeller-diffuser locating face (a3).
4. centrifugal compressor casing according to claim 2 is characterized in that, said compressor is installed cavity (A) and also comprised and said spiral case cavity (A1) integrated location cavity (A2), is formed with return channel locating face (a5) in the said location cavity (A2).
5. centrifugal compressor casing according to claim 4 is characterized in that, also is formed with controlling mechanism locating face (a7) in the said location cavity (A2).
6. centrifugal compressor casing according to claim 4 is characterized in that, the sidewall of said location cavity (A2) is provided with gas supplementing opening (a9).
7. according to each described centrifugal compressor casing in the claim 2 to 6, it is characterized in that the inwall that said motor is installed the said motor stator installation cavity (B1) of cavity (B) also is formed with spiral stator cooling bath (b3).
8. centrifugal compressor casing according to claim 7 is characterized in that, the sidewall that said motor stator is installed cavity (B1) is provided with stator cooling liquid entering hole (b5).
9. centrifugal compressor casing according to claim 7; It is characterized in that; Said motor is installed cavity (B) and is also comprised the motor installation cavity (B2) that links to each other in order with said motor stator installation cavity (B1), and the sidewall that said motor is installed cavity (B2) is provided with motor connection jaws (b7).
10. a centrifugal compressor has the housing that is used to install compressor and motor, it is characterized in that, said housing is each described centrifugal compressor casing in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201715900U CN202510424U (en) | 2012-04-20 | 2012-04-20 | Centrifugal compressor and shell thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201715900U CN202510424U (en) | 2012-04-20 | 2012-04-20 | Centrifugal compressor and shell thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202510424U true CN202510424U (en) | 2012-10-31 |
Family
ID=47062914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201715900U Expired - Lifetime CN202510424U (en) | 2012-04-20 | 2012-04-20 | Centrifugal compressor and shell thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202510424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375437A (en) * | 2012-04-20 | 2013-10-30 | 珠海格力电器股份有限公司 | Centrifugal compressor and shell thereof |
-
2012
- 2012-04-20 CN CN2012201715900U patent/CN202510424U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375437A (en) * | 2012-04-20 | 2013-10-30 | 珠海格力电器股份有限公司 | Centrifugal compressor and shell thereof |
| CN103375437B (en) * | 2012-04-20 | 2015-09-16 | 珠海格力电器股份有限公司 | Centrifugal compressor and shell thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121031 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |