CN107769407B - Axial fixing structure for motor stator of refrigeration compressor - Google Patents
Axial fixing structure for motor stator of refrigeration compressor Download PDFInfo
- Publication number
- CN107769407B CN107769407B CN201711258360.1A CN201711258360A CN107769407B CN 107769407 B CN107769407 B CN 107769407B CN 201711258360 A CN201711258360 A CN 201711258360A CN 107769407 B CN107769407 B CN 107769407B
- Authority
- CN
- China
- Prior art keywords
- stator
- fixing block
- shell
- stator fixing
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses an axial fixing structure of a motor stator of a refrigeration compressor, which comprises a stator, a shell, a stator fixing block and a screw, wherein the stator is arranged in the shell, the stator and the shell are in interference fit, a limit groove is formed in the stator fixing block, a mounting hole is formed in the side wall of the shell, the axis of the mounting hole is perpendicular to the axis of the stator, the stator fixing block is inserted into the mounting hole, the limit groove of the stator fixing block is abutted against the end face wall of the stator, and the screw penetrates through the stator fixing block and is connected to the shell in a threaded manner. The stator fixing block is installed in the hole on the shell until the stator fixing block contacts with the motor stator, and the stator fixing block can be fixed by tightening the screw, so that the stator fixing block axially limits the positioning and prevents loosening. The stator fixing block is convenient to assemble and disassemble and good in use effect.
Description
Technical field:
the invention relates to an axial fixing structure of a motor stator of a refrigeration compressor.
The background technology is as follows:
in order to prevent the stator 1 from loosening, a stator fixing block 3 is usually fixed in the casing 2 for axially limiting the stator 1. The structure between the stator fixing block 3 and the stator 1 is: a limit circular ring is arranged on the inner wall of the shell 2 in a turning mode, the stator fixing block 3 is clamped into the limit circular ring of the shell 2, one end of the stator fixing block 3 is fixed with the end face of the stator 1 through bolts 4 (as shown in figure 1), 8 stator fixing blocks 3 are shared by the circumference, the stator 1 fixing structure has the defect that the stator fixing block 3 is difficult to assemble due to narrow space when being installed into the limit circular ring, and the bolts 4 are also difficult to install, so that improvement on the fixing structure of the stator in the refrigeration compressor is needed.
The invention comprises the following steps:
the invention provides an axial fixing structure of a motor stator of a refrigeration compressor for solving the problems existing in the prior art.
The invention adopts the technical scheme that: the utility model provides a refrigeration compressor motor stator axial fixing structure, includes stator, casing, stator fixed block and screw, the stator is located in the casing, and interference fit between stator and the casing, be equipped with the spacing groove on the stator fixed block, be equipped with the mounting hole on the lateral wall of casing, this mounting hole axis perpendicular to stator's axis, the stator fixed block is pegged graft in the mounting hole, and the spacing groove of stator fixed block is contradicted on the end face wall of stator, the screw passes stator fixed block and threaded connection on the casing.
Further, the stator fixed block is T-shaped, and the limiting groove is formed in the lower end face of the stator fixed block.
Further, the side wall of the limit groove is of an inclined surface structure.
Further, a connecting through hole is formed in the upper end face of the stator fixing block.
The invention has the following beneficial effects: the stator fixing block is installed in the hole on the shell until the stator fixing block contacts with the motor stator, and the stator fixing block can be fixed by tightening the screw, so that the stator fixing block axially limits the positioning and prevents loosening. The stator fixing block is convenient to assemble and disassemble and good in use effect.
Description of the drawings:
fig. 1 is a prior art stator axial fixing structure.
Fig. 2 is a front view of an axial fixing structure of a motor stator according to the present invention.
Fig. 3 is a side view of the motor stator axial fixing structure of the present invention.
Fig. 4 is a front view of a stator fixing block according to the present invention.
Fig. 5 is a side view of a stator fixing block according to the present invention.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings.
As shown in fig. 2 to 5, the invention discloses an axial fixing structure of a motor stator of a refrigeration compressor, which comprises a stator 1, a casing 2, a stator fixing block 3 and a screw 4, wherein the stator 1 is arranged in the casing 2, the stator 1 and the casing 2 are in interference fit, a limit groove 31 is arranged on the stator fixing block 3, a mounting hole 21 is arranged on the side wall of the casing 2, the axis of the mounting hole 21 is perpendicular to the axis of the stator 1, the stator fixing block 3 is inserted into the mounting hole 21, the limit groove 31 of the stator fixing block 3 is abutted against the end surface wall of the stator 1, and the screw 4 passes through the stator fixing block 3 and is in threaded connection with the casing 2.
The stator fixing block 3 is T-shaped, the limiting groove 31 is arranged on the lower end face of the stator fixing block 3, the limiting groove 31 is of an open structure, and the side wall of the limiting groove 31 is of an inclined surface structure.
The stator fixing block 3 is convenient to install, and can conveniently limit the stator 1 in the axial direction. The side wall of the limit groove 31 is of an inclined surface structure. In use, even if the stator fixing block has a machining error, the stator fixing block 3 can slide up and down in the mounting hole 21 of the casing 2 to enable the positioning inclined surface to contact.
The upper end surface of the stator fixing block 3 is provided with a connecting through hole 32, and the screw 4 passes through the connecting through hole 32 and is connected with the casing 2 in a threaded manner.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (3)
1. The utility model provides a refrigeration compressor motor stator axial fixed knot constructs, includes stator (1), casing (2), stator fixed block (3) and screw (4), in casing (2) are located to stator (1), and interference fit between stator (1) and casing (2), its characterized in that: the stator fixing block (3) is provided with a limit groove (31), the side wall of the shell (2) is provided with a mounting hole (21), the axis of the mounting hole (21) is perpendicular to the axis of the stator (1), the stator fixing block (3) is inserted into the mounting hole (21), the limit groove (31) of the stator fixing block (3) is abutted against the end surface wall of the stator (1), and the screw (4) passes through the stator fixing block (3) and is connected to the shell (2) in a threaded manner;
the side wall of the limit groove (31) is of an inclined surface structure.
2. The refrigerant compressor motor stator axial fixing structure as set forth in claim 1, wherein: the stator fixing block (3) is T-shaped, and the limiting groove (31) is formed in the lower end face of the stator fixing block (3).
3. The refrigerant compressor motor stator axial fixing structure as set forth in claim 1, wherein: the upper end face of the stator fixing block (3) is provided with a connecting through hole (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258360.1A CN107769407B (en) | 2017-12-04 | 2017-12-04 | Axial fixing structure for motor stator of refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258360.1A CN107769407B (en) | 2017-12-04 | 2017-12-04 | Axial fixing structure for motor stator of refrigeration compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107769407A CN107769407A (en) | 2018-03-06 |
| CN107769407B true CN107769407B (en) | 2023-11-21 |
Family
ID=61276514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711258360.1A Active CN107769407B (en) | 2017-12-04 | 2017-12-04 | Axial fixing structure for motor stator of refrigeration compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107769407B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002359943A (en) * | 2001-05-31 | 2002-12-13 | Shigeto Matsuo | High-speed generator/motor |
| DE102008001073A1 (en) * | 2008-04-09 | 2009-10-15 | Robert Bosch Gmbh | Stator fastening device for use in electronically commutated motor of vehicle, has clamping pins clamping stator in opening of machine housing in circumferential direction of stator, where one of clamping pins is provided in axial borehole |
| CN202150747U (en) * | 2011-06-10 | 2012-02-22 | 唐山普林亿威科技有限公司 | Positioning method of stator core of water-cooling permanently-magnetic brushless DC motor |
| CN202260737U (en) * | 2011-10-24 | 2012-05-30 | 温州中盛科技有限公司 | Alternating current (AC) brushless motor |
| CN203850933U (en) * | 2014-03-06 | 2014-09-24 | 新安乃达驱动技术(上海)有限公司 | Structure for fixing stator core of motor |
| CN106385124A (en) * | 2016-11-21 | 2017-02-08 | 南京磁谷科技有限公司 | Magnetic suspension centrifugal type blower structure |
| CN207518371U (en) * | 2017-12-04 | 2018-06-19 | 南京磁谷科技有限公司 | A kind of stators for refrigeration compressor motor axial fixing structure |
-
2017
- 2017-12-04 CN CN201711258360.1A patent/CN107769407B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002359943A (en) * | 2001-05-31 | 2002-12-13 | Shigeto Matsuo | High-speed generator/motor |
| DE102008001073A1 (en) * | 2008-04-09 | 2009-10-15 | Robert Bosch Gmbh | Stator fastening device for use in electronically commutated motor of vehicle, has clamping pins clamping stator in opening of machine housing in circumferential direction of stator, where one of clamping pins is provided in axial borehole |
| CN202150747U (en) * | 2011-06-10 | 2012-02-22 | 唐山普林亿威科技有限公司 | Positioning method of stator core of water-cooling permanently-magnetic brushless DC motor |
| CN202260737U (en) * | 2011-10-24 | 2012-05-30 | 温州中盛科技有限公司 | Alternating current (AC) brushless motor |
| CN203850933U (en) * | 2014-03-06 | 2014-09-24 | 新安乃达驱动技术(上海)有限公司 | Structure for fixing stator core of motor |
| CN106385124A (en) * | 2016-11-21 | 2017-02-08 | 南京磁谷科技有限公司 | Magnetic suspension centrifugal type blower structure |
| CN207518371U (en) * | 2017-12-04 | 2018-06-19 | 南京磁谷科技有限公司 | A kind of stators for refrigeration compressor motor axial fixing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107769407A (en) | 2018-03-06 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.99 Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee after: Nanjing Cigu Technology Co.,Ltd. Address before: 211102 No. 100 Jiuzhu Road, Jiangning Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CIGU Ltd.,Corp. |
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| CP03 | Change of name, title or address |