CN208782584U - A kind of stator core fixed structure of disc type electric machine - Google Patents
A kind of stator core fixed structure of disc type electric machine Download PDFInfo
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- CN208782584U CN208782584U CN201821675445.XU CN201821675445U CN208782584U CN 208782584 U CN208782584 U CN 208782584U CN 201821675445 U CN201821675445 U CN 201821675445U CN 208782584 U CN208782584 U CN 208782584U
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- stator core
- stator
- electric machine
- type electric
- disc type
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Abstract
The utility model discloses a kind of stator core fixed structures of disc type electric machine, including stator core and the end-cap assembly being fixedly mounted on stator core end face, the embedding trench bottom of the stator core is machined with the stator core fixing groove of installation stator press strip, the stator core and end-cap assembly are fastenedly connected by stator press strip and fastener, and the fastener passes through the first mounting hole, the second mounting hole and the first fixation hole, the second fixation hole connection end cap component and stator core.The fixed structure of stator of the utility model is simple and reliable, and difficulty of processing is low, and stator core fixing groove is guaranteed with line embedding groove precision by mold, and assembly is simple, efficiently solves the problems, such as that stator core is fixed and coolant seal, and motor axial dimension is further decreased.It can further improve complete machine power density and performance, reduce cost.
Description
Technical field
The utility model relates to stator core fixed structure technical field, specially a kind of stator core of disc type electric machine is solid
Determine structure.
Background technique
Different from the radial magnetic field of traditional cylindrical electrical machine, disc type electric machine air gap is plane, and air-gap field is axial
Formula has the characteristics that axial dimension is short, light-weight, structure is simple, control is flexible, while also having power/volume than high, power
The advantages that factor is high, required inverter capacity is small, is a kind of widely used motor.
The stator core of disc type electric machine is by silicon-steel sheet coiled around forming, it is difficult in the direct processing mounting holes of axial section, because
There are bigger difficulties for the fixation of this disk type motor stator core and electric motor end cap.
Chinese patent CN201238217 discloses a kind of use and welds mounting feet in mandrel lower, is connected through a screw thread
The method coupled with electric motor end cap, but this method is more demanding to welding procedure, welding process is due to stator core part
It is heated, it be easy to cause bottom surface uneven, to influence motor performance.
Chinese patent CN202940647U discloses a kind of motor stator core fixed structure, using in stator core bottom
Dovetail groove to be processed, stator core and end cap are coupled by metal block, this structure dovetail processing technology is complicated, and required precision is high,
Bottom processing dovetail groove adds somewhat to stator core axial width size, and then increases motor outer dimension.
Utility model content
The purpose of this utility model is to provide a kind of stator core fixed structures of disc type electric machine, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of stator core of disc type electric machine is fixed
Structure, including stator core and the end-cap assembly being fixedly mounted on stator core end face, the line embedding groove bottom of the stator core
Portion is machined with the stator core fixing groove of installation stator press strip, and the stator core and end-cap assembly pass through stator press strip and fastening
Part is fastenedly connected, and the fastener is connected by the first mounting hole, the second mounting hole and the first fixation hole, the second fixation hole
End-cap assembly and stator core.
Preferably, the stator core fixing groove and line embedding groove are processed and formed at one time by mold, and the processing is simple, ensure that
Machining accuracy.
Preferably, the first mounting hole on the end-cap assembly, the second mounting hole are the threaded hole using blind hole form, blind
Hole solves the sealing problem of end cover side coolant liquid and stator core very well, is further ensured that motor whole airtightness and safety
Property.
Preferably, first fixation hole, the second fixation hole are separately positioned on the both ends of stator press strip.
Preferably, the middle part of the stator press strip is equipped with the stator press strip stationary plane for fixed stator iron core.
Compared with prior art, the utility model has the beneficial effects that the fixed structure of stator of the utility model simply may be used
It leans on, difficulty of processing is low, and stator core fixing groove is guaranteed with line embedding groove precision by mold, and assembly is simple, efficiently solves stator iron
Core is fixed and coolant seal problem, further decreases motor axial dimension.It can further improve complete machine power density and performance, drop
Low cost.
Detailed description of the invention
Fig. 1 is the utility model structural upright schematic diagram；
Fig. 2 is the utility model section view；
Fig. 3 is end-cap assembly stereoscopic schematic diagram；
Fig. 4 is stator core stereoscopic schematic diagram；
Fig. 5 is stator fixing groove enlarged diagram；
Fig. 6 is stator press strip stereoscopic schematic diagram；
Fig. 7 is stator press strip cross-sectional view.
In figure: 1 end-cap assembly；2 stator cores；3 stator press strips；4 fasteners；11 first mounting holes；12 second mounting holes；
21 stator fixing grooves；31 stator press strip stationary planes；32 first fixation holes；33 second fixation holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of stator core fixed knot of disc type electric machine
Structure, including stator core 2 and the end-cap assembly 1 being fixedly mounted on 2 end face of stator core, the line embedding groove of the stator core 2
Bottom is machined with the stator core fixing groove 21 of installation stator press strip 3, and the stator core 2 and end-cap assembly 1 pass through stator pressure
Item 3 and fastener 4 are fastenedly connected, and the fastener 4 passes through the first mounting hole 11, the second mounting hole 12 and the first fixation hole
32,33 connection end cap component 1 of the second fixation hole and stator core 2.
Specifically, the stator core fixing groove 21 is integrally formed with line embedding groove.
Specifically, the first mounting hole 11, the second mounting hole 12 on the end-cap assembly 1 are the screw thread using blind hole form
Hole.
Specifically, first fixation hole 32, the second fixation hole 33 are separately positioned on the both ends of stator press strip 3.
Specifically, the middle part of the stator press strip 3 is equipped with the stator press strip stationary plane 31 for fixed stator iron core 2.
The fixed structure of stator of the utility model is simple and reliable, and difficulty of processing is low, stator core fixing groove 21 and line embedding groove
Precision is guaranteed that assembly is simple by mold, is efficiently solved the problems, such as fixation and the coolant seal of stator core 2, is further decreased electricity
Machine axial dimension.It can further improve complete machine power density and performance, reduce cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of stator core fixed structure of disc type electric machine, including stator core (2) and it is fixedly mounted on stator core (2) end
End-cap assembly (1) on face, it is characterised in that: the embedding trench bottom of the stator core (2) is machined with installation stator press strip (3)
Stator core fixing groove (21), the stator core (2) and end-cap assembly (1) by stator press strip (3) and fastener (4) into
Row is fastenedly connected, and the fastener (4) passes through the first mounting hole (11), the second mounting hole (12) and the first fixation hole (32), the
Two fixation holes (33) connection end cap component (1) and stator core (2).
2. a kind of stator core fixed structure of disc type electric machine according to claim 1, it is characterised in that: the stator iron
Core fixing groove (21) is integrally formed with line embedding groove.
3. a kind of stator core fixed structure of disc type electric machine according to claim 1, it is characterised in that: the end cap group
The first mounting hole (11), the second mounting hole (12) on part (1) are the threaded hole using blind hole form.
4. a kind of stator core fixed structure of disc type electric machine according to claim 1, it is characterised in that: described first is solid
Determine hole (32), the second fixation hole (33) is separately positioned on the both ends of stator press strip (3).
5. a kind of stator core fixed structure of disc type electric machine according to claim 1, it is characterised in that: the stator pressure
The middle part of item (3) is equipped with the stator press strip stationary plane (31) for fixed stator iron core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675445.XU CN208782584U (en) | 2018-10-16 | 2018-10-16 | A kind of stator core fixed structure of disc type electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675445.XU CN208782584U (en) | 2018-10-16 | 2018-10-16 | A kind of stator core fixed structure of disc type electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208782584U true CN208782584U (en) | 2019-04-23 |
Family
ID=66163150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821675445.XU Active CN208782584U (en) | 2018-10-16 | 2018-10-16 | A kind of stator core fixed structure of disc type electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208782584U (en) |
-
2018
- 2018-10-16 CN CN201821675445.XU patent/CN208782584U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190723 Address after: 518000, Guangdong Province, Longgang District, Shenzhen city street, 2123 new Bi Road, Indus space, 9 floor Patentee after: Shenzhen elephant Electric Technology Co., Ltd. Address before: 518000 West of Building A2, 5th Floor, Shunhe Da Industrial Zone, Xiliuxian Dongshun, Shenzhen City, Guangdong Province Co-patentee before: Chen Qixu Patentee before: Liu Xiao |