CN208174450U - Two stage centrifugal refrigeration compressor high-voltage motor - Google Patents
Two stage centrifugal refrigeration compressor high-voltage motor Download PDFInfo
- Publication number
- CN208174450U CN208174450U CN201820394663.XU CN201820394663U CN208174450U CN 208174450 U CN208174450 U CN 208174450U CN 201820394663 U CN201820394663 U CN 201820394663U CN 208174450 U CN208174450 U CN 208174450U
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- shaft
- stator
- shell
- connecting hole
- positioning
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Abstract
The utility model provides two stage centrifugal refrigeration compressor high-voltage motor, and which raises the torsion that motor is transmitted, and then guarantees the revolving speed of the impeller of compressor, and then guarantees highly effective refrigeration.It includes stator, shaft, stator is annularly distributed in the outer ring surface of the shaft, distinguish the convex length direction both ends in the stator in side in the both ends of shaft, the outer ring surface of stator is disposed with shell, shell includes upper housing, lower case, the upper housing, inner cavity is formed after lower case is assembled, it is described interior intracavitary to be provided with the stator, shaft, the both ends that the shell corresponds to the shaft are provided with avoid holes, the both ends of the shaft externally protrude out in corresponding avoid holes respectively, the part for externally protruding out in the avoid holes of the shaft is fixed with connecting flange respectively, the connecting flange includes indent positioning chamber, inner ring connecting hole, outer ring connecting hole, the inner ring connecting hole passes through the corresponding end surface of the affixed shaft of bolt, and the outer end face of bolt does not externally protrude out in the outer end face of the connecting flange.
Description
Technical field
The utility model relates to the technical fields of electric moto used in compressor, specially two stage centrifugal refrigeration compressor high-voltage electricity
Machine.
Background technique
Existing two stage centrifugal refrigeration compressor needs motor that two output ends, the output of the two sides of existing motor is arranged
Axis passes through the input axis connection of the impeller of shaft coupling and corresponding compressor, and in actual use, the refrigeration effect of compressor is not
It is good, to find out its cause, being to lead to the impeller of compressor because the output shaft of motor is too thin, and then causes transmitted torsion too small
Revolving speed cannot effectively improve.
Summary of the invention
In view of the above-mentioned problems, the utility model provides two stage centrifugal refrigeration compressor high-voltage motor, which raises electricity
The torsion that machine is transmitted, and then guarantee the revolving speed of the impeller of compressor, and then guarantee highly effective refrigeration.
Two stage centrifugal refrigeration compressor high-voltage motor, it is characterised in that：It includes stator, shaft, the track ring cloth
The convex length direction both ends in the stator in side are distinguished in the both ends of the outer ring surface of the shaft, the shaft, the stator
Outer ring surface is disposed with shell, and the shell includes upper housing, lower case, forms inner cavity after the upper housing, lower case are assembled, institute
State it is interior it is intracavitary be provided with the stator, shaft, the both ends that the shell corresponds to the shaft are provided with avoid holes, the shaft
Both ends externally protrude out in corresponding avoid holes respectively, the part for externally protruding out in the avoid holes of the shaft is fixed with connection method respectively
Orchid, the connecting flange include indent positioning chamber, inner ring connecting hole, outer ring connecting hole, and the inner ring connecting hole is solid by bolt
The outer end face of the corresponding end surface and bolt that connect the shaft does not externally protrude out in the outer end face of the connecting flange, pair of the shaft
It should hold and be positioned in the indent positioning chamber, the outer ring connecting hole is used for the input shaft of affixed compressor, the connecting flange
Diameter be greater than the shaft diameter.
It is further characterized by：
The end positions that the inner wall of the shell corresponds to the shaft are respectively arranged with rolling bearing, the rolling bearing
The inner end corresponding end that is mounted on the stator respectively inner cavity in, the inner ring of the rolling bearing is set in the shaft
Corresponding position, the corresponding position of the outer ring of the rolling bearing are installed in the inner wall of the shell and the corresponding position of inner cavity,
Ensure the positioning of stator；
The diameter of the both ends output end of the shaft is less than the diameter of the middle part large diameter portion of the shaft, the shell
Positioning bearing is provided between length direction end and the output end of the shaft, the inner end of the positioning bearing is close in described
The respective ends of the length direction of portion's large diameter portion, the outer end cap of the positioning bearing is equipped with positioning ring cowling, the positioning ring cowling
Outer end face is corresponded to by the length direction that screw is anchored on the shell.
After the utility model, since the part for externally protruding out in avoid holes of shaft is fixed with connecting flange respectively, connection
Flange includes indent positioning chamber, inner ring connecting hole, outer ring connecting hole, and inner ring connecting hole passes through the corresponding end of the affixed shaft of bolt
The outer end face of face and bolt does not externally protrude out in the outer end face of connecting flange, and the corresponding end of shaft is positioned in indent positioning chamber, outer ring
Connecting hole is used for the input shaft of affixed compressor, and the diameter of connecting flange is greater than the diameter of shaft, so that the output end of shaft is logical
The input shaft for crossing the impeller of the connecting flange connection high-pressure refrigeration compressor of major diameter, which raises the torsion that motor is transmitted,
And then guarantee the revolving speed of the impeller of compressor, and then guarantee highly effective refrigeration.
Detailed description of the invention
Fig. 1 is the structure schematic diagram of the utility model；
Title corresponding to serial number is as follows in figure：
Stator 1, inner cavity 11, shaft 2, output end 21, middle part large diameter portion 22, shell 3, upper housing 31, lower case 32,
Avoid holes 4, connecting flange 5, indent positioning chamber 51, inner ring connecting hole 52, outer ring connecting hole 53, rolling bearing 6, positioning bearing 7,
Position ring cowling 8.
Specific embodiment
Two stage centrifugal refrigeration compressor high-voltage motor, is shown in Fig. 1：It includes stator 1, shaft 2, and stator 1 is annularly distributed in shaft 2
Outer ring surface, the both ends of shaft 2 distinguish the convex length direction both ends in stator 1 in side, and the outer ring surface of stator 1 is disposed with shell 3, outside
Shell 3 includes upper housing 31, lower case 32, forms inner cavity after upper housing 31,32 assembly of lower case, interior intracavitary to be provided with stator 1, turn
Axis 2, the both ends that institute's shell 3 corresponds to shaft 2 are provided with avoid holes 4, and the both ends of shaft 2 externally protrude out in corresponding avoid holes 4 respectively,
The part for externally protruding out in avoid holes 4 of shaft 2 is fixed with connecting flange 5 respectively, and connecting flange 5 includes indent positioning chamber 51, inner ring
Connecting hole 52, outer ring connecting hole 53, inner ring connecting hole 52 pass through the corresponding end surface of the affixed shaft 2 of bolt and the outer end face of bolt
The outer end face of connecting flange 5 is not externally protruded out in, and the corresponding end of shaft 2 is positioned in indent positioning chamber 51, and outer ring connecting hole 53 is used for
The input shaft of affixed compressor, the diameter of connecting flange 5 are greater than the diameter of shaft 2.
The end positions that the inner wall of shell 3 corresponds to shaft 2 are respectively arranged with rolling bearing 6, the inner end point of rolling bearing 6
It is not mounted in the inner cavity 11 of the corresponding end of stator 1, the inner ring of rolling bearing 6 is set in the corresponding position of shaft 2, rotation axis
The corresponding position for holding 6 outer ring is installed in the inner wall of shell 3 and the corresponding position of inner cavity 11, it is ensured that the positioning of stator 1；
The diameter of the both ends output end 21 of shaft 2 is less than the diameter of the middle part large diameter portion 22 of shaft 2, the length of shell 3
Positioning bearing 7 is provided between direction end and the output end 21 of shaft 2, middle part large diameter portion is close in the inner end of positioning bearing 7
The respective ends of 22 length direction, equipped with positioning ring cowling 8, positioning ring cowling 8 is anchored on the outer end cap of positioning bearing 7 by screw
The length direction of shell 3 corresponds to outer end face.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment should not be construed as limiting the practical range of the utility model creation.All create according to the utility model is applied
All the changes and improvements made by range etc., shall still fall within the scope of this patent.
Claims (3)
1. two stage centrifugal refrigeration compressor high-voltage motor, it is characterised in that：It includes stator, shaft, and the stator is annularly distributed in
The convex length direction both ends in the stator in side are distinguished at the outer ring surface of the shaft, the both ends of the shaft, the stator it is outer
Anchor ring is disposed with shell, and the shell includes upper housing, lower case, forms inner cavity after the upper housing, lower case are assembled, described
It is interior it is intracavitary be provided with the stator, shaft, the both ends that the shell corresponds to the shaft are provided with avoid holes, the shaft
Both ends externally protrude out in corresponding avoid holes respectively, and the part for externally protruding out in the avoid holes of the shaft is fixed with connection method respectively
Orchid, the connecting flange include indent positioning chamber, inner ring connecting hole, outer ring connecting hole, and the inner ring connecting hole is solid by bolt
The outer end face of the corresponding end surface and bolt that connect the shaft does not externally protrude out in the outer end face of the connecting flange, pair of the shaft
It should hold and be positioned in the indent positioning chamber, the outer ring connecting hole is used for the input shaft of affixed compressor, the connecting flange
Diameter be greater than the shaft diameter.
2. two stage centrifugal refrigeration compressor high-voltage motor as described in claim 1, it is characterised in that：The inner wall of the shell
End positions corresponding to the shaft are respectively arranged with rolling bearing, and the inner end of the rolling bearing is mounted on described fixed respectively
In the inner cavity of the corresponding end of son, the inner ring of the rolling bearing is set in the corresponding position of the shaft, the rolling bearing
The corresponding position of outer ring be installed in the inner wall of the shell and the corresponding position of inner cavity.
3. two stage centrifugal refrigeration compressor high-voltage motor as claimed in claim 2, it is characterised in that：The both ends of the shaft
The diameter of output end is less than the diameter of the middle part large diameter portion of the shaft, the length direction end of the shell and the shaft
Output end between be provided with positioning bearing, the length direction of the middle part large diameter portion is close in the inner end of the positioning bearing
Respective ends, for the outer end cap of the positioning bearing equipped with positioning ring cowling, the positioning ring cowling is anchored on the shell by screw
Length direction correspond to outer end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820394663.XU CN208174450U (en) | 2018-03-22 | 2018-03-22 | Two stage centrifugal refrigeration compressor high-voltage motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820394663.XU CN208174450U (en) | 2018-03-22 | 2018-03-22 | Two stage centrifugal refrigeration compressor high-voltage motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208174450U true CN208174450U (en) | 2018-11-30 |
Family
ID=64375741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820394663.XU Expired - Fee Related CN208174450U (en) | 2018-03-22 | 2018-03-22 | Two stage centrifugal refrigeration compressor high-voltage motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208174450U (en) |
-
2018
- 2018-03-22 CN CN201820394663.XU patent/CN208174450U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |