CN207977791U - A kind of stator core - Google Patents
A kind of stator core Download PDFInfo
- Publication number
- CN207977791U CN207977791U CN201820425903.8U CN201820425903U CN207977791U CN 207977791 U CN207977791 U CN 207977791U CN 201820425903 U CN201820425903 U CN 201820425903U CN 207977791 U CN207977791 U CN 207977791U
- Authority
- CN
- China
- Prior art keywords
- stator
- punching
- stator punching
- font
- groove
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model is related to motor fields, more particularly to a kind of stator core, punching press is overlapped together by the first stator punching and the second stator punching to form, first stator punching and the second stator punching are in " E " font, stamped groove is equipped on stator punching described in every, " E " the font arm of first stator punching is short compared with the second stator punching.The stator core construction is simple, combination is simple, is conveniently operated.
Description
Technical field
The utility model is related to motor fields, more particularly to a kind of stator core.
Background technology
It will produce loss when motor operation, loss is transformed into thermal energy and is taken away through electromotor cooling system, if motor cooling system
Cooling effect of uniting is less good, and so much remaining thermal energy can be such that each part temperatures of motor increase.Design of electrical motor ensures production except needs
Product meet outside the requirement of design performance index, it is necessary to which the ventilation cooling system for fully considering motor takes away enough heats
To make each part temperatures of motor be maintained in reasonable range, it is ensured that motor safe operation.With the increasing of motor single-machine capacity
Add, the raising of stock utilization, improve motor ventilation cooling system, improve motor radiating ability be the key that motor technology it
One.
Motor generally comprises one or more stator cores, and current commonly used stator core mostly uses welding, riveting
It connects or insulating element assembles the stator punching fixation of multiple stackings, however, welding and riveting the magnetic to stator core
Lu Douhui has different degrees of influence, and certain condition limitation is fixed with using insulating element.
Utility model content
The purpose of this utility model is to provide a kind of stator core stamping sheet and is easy to position and fix, and being capable of not shadow as possible
Ring magnetic circuit stator core.
The technical solution of the utility model is as follows：A kind of stator core is folded by the first stator punching and the second stator punching
The punching press that forces together forms, and first stator punching and the second stator punching are in " E " font, the stator punching described in every
On be equipped with stamped groove, " E " the font arm of first stator punching is short compared with the second stator punching.
Further, the punching press groove location of first stator punching and the second stator punching is identical, the stamped groove tool
There are a stamped groove recess and stamped groove protrusion, and the stamped groove lug boss of first stator punching and the second stator punching rush
Indent recessed portion concave-convex jointing.
Further, second stator punching is equipped with " V " on the top of " E " the font arm for growing the first stator punching
Font groove.
Preferably, the depth of the second stator punching " V " font groove is 1mm.
Further, " E " font arm of first stator punching or the second stator punching, upper and lower arms
Of same size, intermediate arm width is the sum of upper and lower arms width.
Compared with prior art, the beneficial effects of the utility model are：The stator core is by the first stator punching and
Two stator punchings, which are superimposed, to be stamped to form, the first stator punching and the second stator punching have can concave-convex jointing punching press
Slot, the accurate positioning between them, matching degree height are tightly combined, and the stator core formed after punching press is tightly combined rationally, energy
Effectively lower magnetic resistance, improves magnetic efficiency, simultaneously
The stator core of " E " shape forms ventilating duct by gap between upper arm, underarm, middle arm, can bring preferable
The stator core of heat dissipation effect, " E " shape has the advantages that simple in structure, combination is simple, is conveniently operated.
Description of the drawings：
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the first stator punching of the utility model；
Fig. 2 is the structural schematic diagram of the second stator punching of the utility model；
Fig. 3 is the structural schematic diagram that the utility model stator punching is superimposed after punching press；
Fig. 4 is the side structure schematic diagram that the utility model stator punching is superimposed after punching press
Wherein, the 1, first stator punching；2, the second stator punching；3, stamped groove；4, " E " font arm；41, upper arm；42, under
Arm；43, intermediate arm；5, " V " font groove.
Specific embodiment
Illustrate that the embodiment of the utility model, those skilled in the art can be by this theorys below by way of specific specific example
Content disclosed by bright book understands other advantages and effect of the utility model easily.
As shown in Figure 1 and Figure 4, a kind of stator core is alternately laminated on by the first stator punching 1 and the second stator punching 2
Punching press forms together, and the first stator punching 1 and the second stator punching 2 are in " E " font, are all provided on the stator punching described in every
There are stamped groove 3, " E " the font arm of the first stator punching 1 short compared with the second stator punching 2；First stator punching 1 and the punching of the second stator
3 position of stamped groove of piece 2 is identical, and stamped groove 3 has stamped groove recess and stamped groove protrusion, and first stator punching 1
Stamped groove lug boss and the second stator punching 2 stamped groove recessed portion concave-convex jointing；Second stator punching 2 is to grow first fixed
The top of " E " the font arm 4 of sub- punching is equipped with " V " font groove 5, and the depth of " V " font groove 4 is 1mm；First stator rushes
" E " the font arm 4 of piece 1 or the second stator punching 2, upper arm 41 and underarm 42 it is of same size, 43 width of intermediate arm be it is upper
The sum of arm and underarm width.
The stator core for being somebody's turn to do " E " shape has the advantages that simple in structure, combination is simple, is conveniently operated.
Stator core is superimposed and is stamped to form by the first stator punching and the second stator punching, the first stator punching and
Second stator punching have can concave-convex jointing stamped groove, the accurate positioning between them, matching degree height is tightly combined, punching press it
The stator core formed afterwards is tightly combined rationally, can effectively lower magnetic resistance, improves magnetic efficiency.
The stator core of " E " shape forms ventilating duct by gap between upper arm, underarm, middle arm, can bring preferable
Heat dissipation effect.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of stator core, it is characterised in that：Punching press is overlapped together by the first stator punching and the second stator punching to form,
First stator punching and the second stator punching are in " E " font, are equipped with stamped groove on the stator punching described in every, institute
" E " the font arm for stating the first stator punching is short compared with the second stator punching.
2. a kind of stator core according to claim 1, it is characterised in that：First stator punching and the punching of the second stator
The punching press groove location of piece is identical, and the stamped groove has stamped groove recess and stamped groove protrusion, and first stator punching
Stamped groove lug boss and the second stator punching stamped groove recessed portion concave-convex jointing.
3. a kind of stator core according to claim 1, it is characterised in that：Second stator punching is to grow first fixed
The top of " E " font arm of sub- punching is equipped with " V " font groove.
4. a kind of stator core according to claim 3, it is characterised in that：Second stator punching " V " font groove
Depth be 1mm.
5. according to a kind of stator core of claim 1-4 any one of them, it is characterised in that：First stator punching or
" E " font arm of second stator punching, upper and lower arms it is of same size, intermediate arm width be upper and lower arms width it
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425903.8U CN207977791U (en) | 2018-03-28 | 2018-03-28 | A kind of stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820425903.8U CN207977791U (en) | 2018-03-28 | 2018-03-28 | A kind of stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207977791U true CN207977791U (en) | 2018-10-16 |
Family
ID=63763796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820425903.8U Expired - Fee Related CN207977791U (en) | 2018-03-28 | 2018-03-28 | A kind of stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207977791U (en) |
-
2018
- 2018-03-28 CN CN201820425903.8U patent/CN207977791U/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 |
Granted publication date: 20181016 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |