CN107061290A - The fixing means and structure of a kind of motor and housing - Google Patents
The fixing means and structure of a kind of motor and housing Download PDFInfo
- Publication number
- CN107061290A CN107061290A CN201710179081.XA CN201710179081A CN107061290A CN 107061290 A CN107061290 A CN 107061290A CN 201710179081 A CN201710179081 A CN 201710179081A CN 107061290 A CN107061290 A CN 107061290A
- Authority
- CN
- China
- Prior art keywords
- motor
- housing
- belt
- trough
- iron core
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
- F04C2230/602—Gap; Clearance
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of motor and the fixing means and structure of housing, including housing and motor, the stator core outer wall of the motor coordinates with inner walls for gap, the indent trough of belt that pressure is interference fitted provided with motor stator iron core on the position of housing correspondence motor stator iron core, the theory minimum press-in value of indent trough of belt the position housing is pressed when being not loaded into for motor to its internal diameter be exactly equal to motor stator iron core external diameter when groove depth, the actual press-in value of indent trough of belt is more than the theoretical minimum 3mm of press-in value 0.05.The present invention is simple in construction, because motor stator iron core outer wall and inner walls coordinate for gap, therefore motor easily can be pressed into housing relevant position in an assembling process and will not scratch inner walls, and by suppressing trough of belt so that motor is able to effective fixation, production technology is greatly simplified, every by taking compressor as an example cost can about decline 2 yuan or so, and benefit is obvious.
Description
Technical field
The present invention relates to the fixing means between motor, particularly motor and housing and structure.
Background technology
By taking existing rotary compressor as an example, (as shown in Figure 1) is typically constituted by housing 1, motor 2, pump housing 3 etc., its
In, the pump housing 3 is made up of upper bearing (metal), lower bearing, cylinder, piston and bent axle etc..Motor 2 includes stator core 21 and winding coil 22
Deng the external diameter that, the maximum gauge of motor 2 is stator core 21.
The assembling of current motor 2 and housing 1 is general in the following ways：
First, when making housing 1, expander processing twice has been generally required to ensure its circularity, has prevented from being scratched by motor
Inwall；Then, because the magnitude of interference of motor stator iron core 21 and normal temperature lower house 1 needs to be more than 0.1mm (after both are interference fitted
Consolidate fixed minimum requirements), so first to heat housing 1, its expanded by heating is made, heating status lower house 1 is matched somebody with somebody for gap
Close, motor 2 is now inserted in the relevant position in housing 1, finally cool down housing 1 to normal temperature, housing 1 shrinks, with stator core
21 realize interference fit, you can hold motor tightly.
But, which processing is more complicated, and the cost of expander processing twice is very high, and heated shell power consumption is big, energy consumption
It is higher, cause cost high and not environmentally, and easy oxidizing blackening when being heated of housing 1, produce oxide skin.In addition, when motor peace
Dress angle dynamics is slightly fluctuated, and motor is just easy to shovel and scrapes the inwall of housing 1, is dropped so as to produce foreign matter inside housing 1, to day
Operation afterwards can cause very big influence.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of motor and the fixing means of housing, the letter of its technique
Single, assembling is easy, and cost declines to a great extent.
It is a further object to provide said motor and the fixed structure of housing.
The object of the present invention is achieved like this：A kind of fixing means of motor and housing, it is characterised in that including following
Step：(1) relevant position that motor is placed in housing, stator core outer wall and the inner walls of motor coordinate for gap；(2)
The indent trough of belt being interference fitted in the position pressure of housing correspondence motor stator iron core provided with motor stator iron core, the reason of indent trough of belt
The position housing is pressed when being not loaded into by minimum press-in value for motor to its internal diameter be exactly equal to motor stator iron core external diameter when
Groove depth, the actual press-in value of indent trough of belt is more than theoretical minimum press-in value 0.05-3mm.
Described indent trough of belt is formed in housing wall correspondence motor stator iron core position to internal rolling.
Limited in the top edge of housing wall correspondence motor stator iron core and the position pressure of lower edge provided with inwardly protruding
Upper location division and lower location division that motor processed is moved up and down；Pressure set location division, lower location division before pressure sets indent trough of belt or
Afterwards.
When described stator core is isometrical cylindrical, described indent trough of belt is one, and its width at least covers motor
The 2/3 of stator core height, or, indent trough of belt is more than two, and every width is more than or equal to 5mm；Or, described stator
When iron core is formed by stacking by the column part of two or more different-diameter, described indent trough of belt is one, and its width at least covers
The 2/3 of the height of the column part of lid motor stator iron core maximum gauge, or, indent trough of belt is more than two, every width
More than or equal to 5mm.
A kind of fixed structure of motor and housing, including housing and the motor in housing, it is characterised in that：It is described
The stator core outer wall of motor coordinates with inner walls for gap, and pressure is provided with horse on the position of housing correspondence motor stator iron core
The indent trough of belt being interference fitted up to stator core, to the position shell when the minimum press-in value of theory of indent trough of belt is not loaded into for motor
Body press to its internal diameter be exactly equal to motor stator iron core external diameter when groove depth, the actual press-in value of indent trough of belt be more than it is theoretical most
Small press-in value 0.05-3mm.
Described stator core is isometrical cylinder, and described indent trough of belt is one, and its width, which at least covers motor, to be determined
The 2/3 of sub- iron core height, or, indent trough of belt is more than two, and every width is more than or equal to 5mm；Or, described stator iron
Core is formed by stacking by the column part of two or more different-diameter, and described indent trough of belt is one, and its width at least covers horse
Up to the 2/3 of the height of the column part of stator core maximum gauge, or, indent trough of belt is more than two, and every width is more than
Equal to 5mm.
There is inwardly protruding limit in the top edge of housing wall correspondence motor stator iron core and the position of lower edge
Upper location division and lower location division that motor is moved up and down.
More than two points that described upper location division, lower location division are respectively circumferentially distributed, or be circumferentially distributed
Segmental arc, or whole circumference constitute.
Described upper location division, lower location division are inwardly protruding, the heights of projection formed from housing exterior walls to internal pressure cutting
For 0.3~3mm.
The compressor of above-mentioned fixed structure is included, described housing is compressor housing.
The present invention is simple in construction, because motor stator iron core outer wall and inner walls are that gap coordinates, therefore to housing
Circularity is less demanding, when making housing without the processing of leading expander, expands it without heating in an assembling process, can
Easily by motor be pressed into housing relevant position and will not scratch inner walls, and by suppressing trough of belt so that motor is had
Effect is fixed, and production technology is greatly simplified, and every by taking compressor as an example cost can about decline 2 yuan or so, and benefit is obvious.
Brief description of the drawings
Fig. 1 is the profile of the compressor of prior art；
Fig. 2 is the profile that the present invention sets the compressor behind upper and lower location division；
Fig. 3 is Fig. 2 A portions enlarged drawing.
Fig. 4 is the profile that the present invention sets the compressor after trough of belt；
Fig. 5 is Fig. 4 B portions enlarged drawing.
Embodiment
Below in conjunction with accompanying drawing, by specific example of compressor, the present invention is further elaborated, but the present invention is not limited
In this specific examples.
Embodiment 1
As shown in Figure 4, Figure 5, compressor of the invention, including housing 1 and the motor 2, the pump housing 3 that are installed in housing 1
Deng.Motor 2 includes stator core 21, winding coil 22 etc..
Prepare housing 1, motor 2 is press-fited into the relevant position inside housing 1.The outer wall of 2 stator core of motor 21 and housing 1
Inwall coordinates for gap, therefore will not scratch inner walls when loading.Gap coordinates and refers to that pine is matched somebody with somebody, i.e. the cooperation with gap
(including the null cooperation of minimum clearance).
After motor 2 puts into the relevant position inside housing 1, then by the position of corresponding motor 2 stator core 21 of housing wall
Inwardly press, on the position of the correspondence stator core 21 of motor 2 of housing 1 in formation and the stator core 21 of motor 2 interference fit
Recessed trough of belt 11, the theory minimum press-in value of indent trough of belt 11 presses proper to its internal diameter to the position housing when being not loaded into for motor 2
It is equal to groove depth during 21 external diameter of motor stator iron core well, the actual press-in value of indent trough of belt 11 should be greater than theoretical minimum press-in value
0.05-3mm, so as to be interference fitted to the formation of stator core 21, now motor 2 can firmly be held tightly.In this structure, equivalent to
If indent trough of belt 11 is not assembled with motor stator iron core 21, its internal diameter is less than motor stator iron core external diameter 0.1-6mm,
Matching somebody with somebody for both progress is combined into interference fit, and the internal diameter of indent trough of belt 11 is equal to motor stator iron core external diameter after interference fit.
In the present embodiment, in the position of housing wall correspondence motor 2 stator core 21 to internal rolling, form indent with motor stator iron
The trough of belt 11 that core 21 is interference fitted.
In the present embodiment, stator core 21 is isometrical cylinder, and indent trough of belt 11 can be one, and its width at least covers
The 2/3 of the height of lid stator core 21, most preferably, the width of indent trough of belt 11 are completely covered the height of stator core 21 or even are slightly larger than
The height of stator core 21, such enclasping force is most strong, and structure is most stable, as shown in Figure 4.Or, indent trough of belt 11 can also be two
More than bar, every width is more than or equal to 5mm, is distributed by the high uniformity of stator core 21, the width summation of whole indent troughs of belt 11
It is sufficiently large to the enclasping force of stator core 21 to ensure preferably also at least equal to the 2/3 of the height of stator core 21.
Designed according to different motors, stator core 21 may not also be isometrical, but by two or more different-diameter
Column part be formed by stacking, if indent trough of belt 11 is one, it is maximum straight that its width should at least cover motor stator iron core
The 2/3 of the height of footpath part, or, indent trough of belt is more than two, and every width is more than or equal to 5mm, by motor stator iron
The high uniformity distribution of core maximum gauge part.
To be preferably fixedly secured motor 2, it is furthermore preferred that as shown in Figure 2 and Figure 3, can be in housing wall correspondence motor 2
The top edge of stator core 21 and the position of lower edge, which have, inwardly protruding limits the He of upper location division 12 that motor 2 is moved up and down
Lower location division 13.Upper location division 12, lower location division 13 can be respectively the more than two points being circumferentially distributed, or circumferentially
The segmental arc of distribution, or whole circumference are constituted, and are in the present embodiment the inwardly protruding of circular housing circumference.Upper location division 12,
Lower location division 13 be from the outer wall of housing 1 by spinning to internal pressure cutting formed it is inwardly protruding, groove depth be 0.3~3mm.System
, can be after the built-in motor 2 of housing 1 when standby, first spinning prepares above location division 12 and lower location division 13, and spinning prepares trough of belt 11 again
(more preferably, can preferably be positioned in spinning trough of belt 11 prevents sideslip)；Or first spinning prepares upper location division 12, then in shell
The built-in motor 2 of body 1, then spinning prepare lower location division 13, and last spinning prepares trough of belt 11；Or after the built-in motor 2 of housing 1,
First spinning prepares trough of belt 11, and spinning prepares upper location division 12 and lower location division 13 again.
The present embodiment preparation process is：Motor 2 is pressed into housing 1 and by holding in the palm tool support in relevant position first；So
Location division 12 is formed with in the position spinning cutting of the top edge and lower edge of the correspondence stator core 21 of motor 2 of housing 1 afterwards
Location division 13, groove depth is about 1.5mm, as shown in Figure 2 and Figure 3；The last spinning between upper location division 12 and lower location division 13
Trough of belt 11, band groove depth is about 1.5mm (now upper location division 12, lower location division 13 and trough of belt 11 is without obvious boundary),
As shown in Figure 4, Figure 5, motor 2 can firmly be held tightly.
The present invention includes the compressor of above-mentioned fixed structure, is that from the most significant difference in appearance with prior art：
The position of correspondence motor 2, the trough of belt 11 with indent on housing wall.
Claims (10)
1. the fixing means of a kind of motor and housing, it is characterised in that comprise the following steps：(1) phase that motor is placed in housing
Position is answered, stator core outer wall and the inner walls of motor coordinate for gap；(2) in the position of housing correspondence motor stator iron core
The indent trough of belt that pressure is interference fitted provided with motor stator iron core, when the minimum press-in value of theory of indent trough of belt is not loaded into for motor pair
The position housing press to its internal diameter be exactly equal to motor stator iron core external diameter when groove depth, the actual press-in value of indent trough of belt is big
In theoretical minimum press-in value 0.05-3mm.
2. the fixing means of motor according to claim 1 and housing, it is characterised in that：Described indent trough of belt is in shell
Body wall corresponds to motor stator iron core position to internal rolling.
3. the fixing means of motor according to claim 1 and housing, it is characterised in that：In housing wall correspondence motor
The position pressure of the top edge of stator core and lower edge provided with it is inwardly protruding limit upper location division that motor moves up and down and under
Location division；Pressure sets location division, lower location division before or after pressure sets indent trough of belt.
4. the fixing means of motor according to claim 1 and housing, it is characterised in that：Described stator core is isometrical
When cylindrical, described indent trough of belt is one, and its width at least covers the 2/3 of motor stator iron core height, or, indent band
Groove is more than two, and every width is more than or equal to 5mm；Or, described stator core by two or more different-diameter cylinder
When part is formed by stacking, described indent trough of belt is one, and its width at least covers the cylinder of motor stator iron core maximum gauge
The 2/3 of partial height, or, indent trough of belt is more than two, and every width is more than or equal to 5mm.
5. the fixed structure of a kind of motor and housing, including housing and the motor in housing, it is characterised in that：The horse
The stator core outer wall reached coordinates with inner walls for gap, and pressure is provided with motor on the position of housing correspondence motor stator iron core
The indent trough of belt of stator core interference fit, to the position housing when the minimum press-in value of theory of indent trough of belt is not loaded into for motor
Groove depth when pressure to its internal diameter is exactly equal to motor stator iron core external diameter, the actual press-in value of indent trough of belt is more than theoretical minimum
Press-in value 0.05-3mm.
6. the fixed structure of motor according to claim 5 and housing, it is characterised in that：Described stator core is isometrical
Cylinder, described indent trough of belt is one, and its width at least covers the 2/3 of motor stator iron core height, or, indent trough of belt
For more than two, every width is more than or equal to 5mm；Or, described stator core by two or more different-diameter cylindrical portion
Divide and be formed by stacking, described indent trough of belt is one, and its width at least covers the column part of motor stator iron core maximum gauge
Height 2/3, or, indent trough of belt is more than two, and every width is more than or equal to 5mm.
7. the fixed structure of motor according to claim 5 and housing, it is characterised in that：In housing wall correspondence motor
The top edge of stator core and the position of lower edge, which have, inwardly protruding limits upper location division that motor moves up and down and lower fixed
Position portion.
8. the fixed structure of motor according to claim 7 and housing, it is characterised in that：It is described upper location division, lower fixed
More than two points that bit position Wei not be distributed circumferentially, the segmental arc being either circumferentially distributed or whole circumference are constituted.
9. the fixed structure of motor according to claim 7 and housing, it is characterised in that：It is described upper location division, lower fixed
Position portion be from housing exterior walls to internal pressure cutting formed it is inwardly protruding, height of projection be 0.3~3mm.
10. including the compressor of fixed structure described in claim 5-9, described housing is compressor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179081.XA CN107061290A (en) | 2017-03-23 | 2017-03-23 | The fixing means and structure of a kind of motor and housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710179081.XA CN107061290A (en) | 2017-03-23 | 2017-03-23 | The fixing means and structure of a kind of motor and housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061290A true CN107061290A (en) | 2017-08-18 |
Family
ID=59621086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710179081.XA Pending CN107061290A (en) | 2017-03-23 | 2017-03-23 | The fixing means and structure of a kind of motor and housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061290A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073302A1 (en) * | 2019-10-18 | 2021-04-22 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916420A (en) * | 2005-08-18 | 2007-02-21 | 乐金电子(天津)电器有限公司 | Fixed construction between engine body and engine shell of compressor |
| CN102094825A (en) * | 2009-12-09 | 2011-06-15 | 丹佛斯涡旋技术有限责任公司 | Deformed shell for holding motor stator in a compressor shell |
| CN102122868A (en) * | 2010-01-08 | 2011-07-13 | 思博莫顿股份公司 | Motor stator and manufacturing method thereof |
| US20150211516A1 (en) * | 2012-03-23 | 2015-07-30 | Bitzer Kuehlmaschinenbau Gmbh | Floating Scroll Seal With Retaining Ring |
| CN106460845A (en) * | 2014-08-29 | 2017-02-22 | 三菱重工业株式会社 | Sealed-type electric compressor |
| CN206801880U (en) * | 2017-03-23 | 2017-12-26 | 佛山晓世科技服务有限公司 | The fixed structure of a kind of motor and housing and the compressor comprising the structure |
-
2017
- 2017-03-23 CN CN201710179081.XA patent/CN107061290A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1916420A (en) * | 2005-08-18 | 2007-02-21 | 乐金电子(天津)电器有限公司 | Fixed construction between engine body and engine shell of compressor |
| CN102094825A (en) * | 2009-12-09 | 2011-06-15 | 丹佛斯涡旋技术有限责任公司 | Deformed shell for holding motor stator in a compressor shell |
| CN102122868A (en) * | 2010-01-08 | 2011-07-13 | 思博莫顿股份公司 | Motor stator and manufacturing method thereof |
| US20150211516A1 (en) * | 2012-03-23 | 2015-07-30 | Bitzer Kuehlmaschinenbau Gmbh | Floating Scroll Seal With Retaining Ring |
| CN106460845A (en) * | 2014-08-29 | 2017-02-22 | 三菱重工业株式会社 | Sealed-type electric compressor |
| CN206801880U (en) * | 2017-03-23 | 2017-12-26 | 佛山晓世科技服务有限公司 | The fixed structure of a kind of motor and housing and the compressor comprising the structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073302A1 (en) * | 2019-10-18 | 2021-04-22 | 艾默生环境优化技术(苏州)有限公司 | Compressor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
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| RJ01 | Rejection of invention patent application after publication |