CN203206090U - Internal stator of linear motor and linear motor provided with internal stator - Google Patents
Internal stator of linear motor and linear motor provided with internal stator Download PDFInfo
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- CN203206090U CN203206090U CN 201320230340 CN201320230340U CN203206090U CN 203206090 U CN203206090 U CN 203206090U CN 201320230340 CN201320230340 CN 201320230340 CN 201320230340 U CN201320230340 U CN 201320230340U CN 203206090 U CN203206090 U CN 203206090U
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- internal stator
- electric motors
- linear electric
- stator
- iron core
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Abstract
The utility model provides an internal stator of a linear motor and a linear motor provided with the internal stator. The internal stator of the linear motor includes an internal stator support; an internal stator iron core covering on the outer periphery of the internal stator support in a supported manner; and internal stator end plates arranged on two axial end parts of the internal stator of the linear motor respectively and used for fixing the internal stator iron core in a clamping manner. The internal stator support is a multi-face cylinder defined by N planes, wherein N is a natural number larger than or equal to 3. The internal stator iron core includes N internal stator units corresponding to the N planes respectively, wherein each of the internal stator units is formed by overlapping a plurality of strip-shaped iron core lamination stacks linearly. According to the utility model, since the strip-shaped iron core lamination stacks of the internal stator units are overlapped linearly, the internal stator of the linear motor provided by the utility model is simple in manufacturing method and high in production efficiency.
Description
Technical field
The utility model relates to machine field, more specifically, relates to a kind of linear electric motors internal stator and has its linear electric motors.
Background technology
In the prior art, linear electric motors are generally moving-magnetic type linear motor.Disclose a kind of linear electric motors internal stator in publication number is the Chinese patent application of CN101373922A, the linear electric motors with this internal stator have formed product, and are applied on the freezer compressor.This linear electric motors internal stator adopts cylinder mode, and inner-stator iron core is that a plurality of core lamination stacks radially are overrided to form, its complex forming technology, and working (machining) efficiency is lower, and manufacturing cost is high.And its corresponding magnet steel that uses is circular arc, and the magnet steel manufacturing cost is higher.
The utility model content
The utility model purpose is to provide a kind of processing method simple, the linear electric motors internal stator that production efficiency is high and have its linear electric motors.
The utility model provides a kind of linear electric motors internal stator, comprising: the internal stator support; Inner-stator iron core, Support cover is in the periphery of internal stator support; The internal stator end plate, two internal stator end plates are arranged at respectively two axial end portions of linear electric motors internal stator, are used for inner-stator iron core is clamped and fastened on the internal stator support; The internal stator support is the multi-faceted column that is surrounded by N plane, and wherein N is the natural number more than or equal to 3; Inner-stator iron core comprises N the internal stator unit corresponding with N plane of multi-faceted column, and each internal stator unit is formed by stacking along straight line by a plurality of strip core lamination stacks.
Further, the linear electric motors internal stator also comprises positioner, and positioner is used for internal stator unit and circumferentially locates.
Further, positioner comprises N N positioning boss that is arranged on the internal stator support, and N positioning boss lays respectively at the intersection on per two planes in N the plane.
Further, N=6.
Further, two of the internal stator unit axial end portions respectively comprise a mounting groove; The internal stator end plate comprises the projection that cooperates with mounting groove.
Further, mounting groove comprises the first circumferential matching surface; Projection have be positioned at the first circumferential matching surface outer circumferential side and with the second week of the first circumferential matching surface interference fit to matching surface.
Further, the first circumferential matching surface of mounting groove is on the direction that extend to the centre end vertically, and court tilts away from the direction of the axis of linear electric motors internal stator.
Further, the inner circumferential of the first circumferential matching surface and internal stator unit surface forms angle theta, and angle theta is 0＜θ≤5 °.
Further, angle theta is 2＜θ≤4 °.
The utility model also provides a kind of linear electric motors, comprises aforesaid linear electric motors internal stator.
According to linear electric motors internal stator of the present utility model, because a plurality of strip core lamination stacks of each internal stator unit superpose along straight line, processing method is simple, and production efficiency is high.The size of the part of each internal stator unit can guarantee preferably, and cost is lower.Because internal stator unit core lamination stack has determined that along the straight line stack magnet steel shape is square, the cost of magnet steel is lower.The magnet steel width is easily well corresponding with the inner-stator iron core width, can take full advantage of the permanent magnetic field that magnet steel produces.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the perspective view according to linear electric motors internal stator of the present utility model;
Fig. 2 is the decomposition texture schematic diagram according to linear electric motors internal stator of the present utility model;
Fig. 3 is the sectional structure schematic diagram according to linear electric motors internal stator of the present utility model;
Fig. 4 is the structural representation according to the strip core lamination stack of linear electric motors internal stator of the present utility model;
Fig. 5 is according to the internal stator unit of linear electric motors internal stator of the present utility model structural representation along axis direction;
Fig. 6 is the internal stator tip plate configurations schematic diagram according to linear electric motors internal stator of the present utility model;
Fig. 7 is the side-looking sectional structure schematic diagram of Fig. 6;
Fig. 8 is I section structure for amplifying schematic diagram among Fig. 3;
Fig. 9 is the internal stator supporting structure schematic diagram according to linear electric motors internal stator of the present utility model; And
Figure 10 is the side-looking sectional structure schematic diagram of Fig. 9.
Embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
Linear electric motors internal stator of the present utility model comprises internal stator support, inner-stator iron core and internal stator end plate.The internal stator support is the multi-faceted column that is surrounded by N plane, and wherein N is the natural number more than or equal to 3.Inner-stator iron core is supported in the periphery of internal stator support; Inner-stator iron core comprises N the internal stator unit corresponding with N plane of multi-faceted column, and each internal stator unit is formed by stacking along straight line by a plurality of strip core lamination stacks.Two internal stator end plates are arranged at respectively two axial end portions of linear electric motors internal stator, so that inner-stator iron core is clamped and fastened on the internal stator support.
The utility model is because a plurality of strip core lamination stacks of each internal stator unit superpose along straight line, and processing method is simple, and production efficiency is high.The size of the part of each internal stator unit can guarantee preferably, and cost is lower.Because internal stator unit core lamination stack has determined that along the straight line stack magnet steel shape is square, the cost of magnet steel is lower.The magnet steel width is easily well corresponding with the inner-stator iron core width, can take full advantage of the permanent magnetic field that magnet steel produces.
Below with reference to Fig. 1 to Fig. 8 a preferred embodiment of the present utility model is specifically described.
As shown in Figure 1 to Figure 3, in the linear electric motors internal stator 100 of the present embodiment, internal stator support 20 is positive six column structures that surrounded by 6 planes.To shown in Figure 10, the intersection on per two planes all is provided with a positioning boss 21 along the axis direction total length of linear electric motors internal stator in 6 planes such as Fig. 9, and positioning boss 21 is used for each internal stator unit of inner-stator iron core 30 is positioned.Each internal stator unit of inner-stator iron core 30 relies on two positioning boss, 21 location of internal stator support 20 both sides, can guarantee that each internal stator unit two side position can not depart from the center, thereby guarantee stress balance in magnetic field.And the operation that the fastening iron core such as can not weld, the stack of each lamination is comparatively reliable.Two axial end portions at internal stator support 20 also comprise the first installing hole 22, are used for being fixed in the internal stator end plate 10 of internal stator end.
As depicted in figs. 1 and 2, inner-stator iron core 30 is supported in the periphery of internal stator support 20.6 planes of inner-stator iron core 30 and internal stator support 20 adapt has comprised 6 internal stator unit.As shown in Figure 5, each internal stator unit is formed by stacking along straight line by a plurality of strip core lamination stacks.Such as Fig. 2 to Fig. 5, shown in Figure 8, two axial end portions of internal stator unit respectively comprise a mounting groove 32, and this mounting groove 32 is used for cooperating that with projection 12 on the internal stator end plate 10 inner-stator iron core 30 is fixed on internal stator support 20.
Wherein, mounting groove 32 comprises the first circumferential matching surface 321.Shown in A among Fig. 8, the second week of the projection 12 on the mode of the first circumferential matching surface 321 by interference fit and the internal stator end plate 10 cooperates to matching surface 121.Can guarantee that like this inner-stator iron core 30 is fastened on the support 20, be not easy disengaging and cause internal stator to fall apart.
In order to realize closely cooperating of mounting groove 32 and projection 12, preferably, the first circumferential matching surface 321 of mounting groove 32 is on the direction that extend to the centre end vertically, and court tilts away from the direction of the axis of linear electric motors internal stator.Preferably the first circumferential matching surface 321 forms angle theta with the inner circumferential surface of described internal stator unit, and 0＜θ≤5 °, more preferably is 2＜θ≤4 °, and θ is 2.9 ° particularly in the present embodiment.
Shown in Fig. 6 to 7, what the projection 12 of internal stator end plate 10 was corresponding with the quantity of internal stator unit is 6, each projection 12 and the setting that meets at right angles of end plate main body.All be provided with a breach 13 between per two adjacent projections 12, breach 13 can be dodged the corresponding positioning boss 21 on the internal stator support 20, in order to avoid internal stator end plate 10 interferes with internal stator support 20 when projection 12 snaps in mounting groove 32.In addition, also be provided with on the internal stator end plate 10 with internal stator support 20 on the first installing hole 22 corresponding the second installing holes 11, by fixtures such as screws the internal stator end plate is fixed on the internal stator support 20.
When the linear electric motors internal stator 100 of the present embodiment is assembled, wherein each internal stator unit of inner-stator iron core 30 can be by corresponding positioning boss 21 location on the internal stator support 20, then rely on internal stator end plate 10 urgent at two axial end portions, projection 12 on the internal stator end plate 10 is snapped in the mounting groove 32 of internal stator unit, because the first circumferential matching surface 321 rolls outwardly from the end to the centre tiltedly, therefore, it is tightr to cooperating of matching surface 121 with second week that projection 12 is more goed deep into mounting groove 32, the first circumferential matching surfaces 321.The at last fastening assembling of mounting screw realization each several part on internal stator end plate 10.In the situation that do not have positioning convex can rely on frock first inner-stator iron core 30 to be positioned on the support 20, and then urgent with two internal stator end plates 10 at two axial end portions, tighten at last firmware and realize fastening assembling.
Need to prove, above embodiment should not be construed as limiting the utility model, for example, internally the positioner that positions of stator unit also can be arranged on the internal stator end plate 10 from the end to the centre along the positioning convex structure of internal stator Axis Extension etc.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect: because a plurality of strip core lamination stacks of each internal stator unit superpose along straight line, processing method is simple, and production efficiency is high.The size of the part of each internal stator unit can guarantee preferably, and cost is lower.Because internal stator unit core lamination stack has determined that along the straight line stack magnet steel shape is square, the cost of magnet steel is lower.The magnet steel width is easily well corresponding with the inner-stator iron core width, can take full advantage of the permanent magnetic field that magnet steel produces.Because of the operation of fastening iron cores such as can not welding, lamination is comparatively reliable.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. linear electric motors internal stator comprises:
Internal stator support (20);
Inner-stator iron core (30), Support cover is in the periphery of described internal stator support (20);
Internal stator end plate (10), two described internal stator end plates (10) are arranged at respectively two axial end portions of described linear electric motors internal stator, are used for described inner-stator iron core (30) is clamped and fastened on described internal stator support (20);
It is characterized in that,
Described internal stator support (20) is the multi-faceted column that is surrounded by N plane, and wherein N is the natural number more than or equal to 3;
Described inner-stator iron core (30) comprises N the internal stator unit corresponding with N plane of described multi-faceted column, and each described internal stator unit is formed by stacking along straight line by a plurality of strip core lamination stacks.
2. linear electric motors internal stator according to claim 1 is characterized in that, described linear electric motors internal stator also comprises positioner, and described positioner is used for described internal stator unit is circumferentially located.
3. linear electric motors internal stator according to claim 2, it is characterized in that, described positioner comprises N N positioning boss (21) that is arranged on the described internal stator support (20), and N described positioning boss (21) lays respectively at the intersection on per two planes in the described N plane.
4. linear electric motors internal stator according to claim 1 is characterized in that N=6.
5. each described linear electric motors internal stator in 4 according to claim 1 is characterized in that,
Two axial end portions of described internal stator unit respectively comprise a mounting groove (32);
Described internal stator end plate (10) comprises the projection (12) that cooperates with described mounting groove (32).
6. linear electric motors internal stator according to claim 5 is characterized in that,
Described mounting groove (32) comprises the first circumferential matching surface (321);
Described projection (12) have be positioned at the described first circumferential matching surface (321) outer circumferential side and with the second week of the described first circumferential matching surface (321) interference fit to matching surface (121).
7. linear electric motors internal stator according to claim 6, it is characterized in that, the first circumferential matching surface (321) of described mounting groove (32) is on the direction that extend to the centre end vertically, and court tilts away from the direction of the axis of described linear electric motors internal stator.
8. linear electric motors internal stator according to claim 7 is characterized in that, the inner circumferential surface of the described first circumferential matching surface (321) and described internal stator unit forms angle theta, and angle theta is 0＜θ≤5 °.
9. linear electric motors internal stator according to claim 8 is characterized in that, described angle theta is 2＜θ≤4 °.
10. linear electric motors comprise the linear electric motors internal stator, it is characterized in that, described linear electric motors internal stator is each described linear electric motors internal stator in 9 according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320230340 CN203206090U (en) | 2012-05-10 | 2013-04-28 | Internal stator of linear motor and linear motor provided with internal stator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210145192.6 | 2012-05-10 | ||
| CN201210145192 | 2012-05-10 | ||
| CN 201320230340 CN203206090U (en) | 2012-05-10 | 2013-04-28 | Internal stator of linear motor and linear motor provided with internal stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206090U true CN203206090U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320230340 Expired - Fee Related CN203206090U (en) | 2012-05-10 | 2013-04-28 | Internal stator of linear motor and linear motor provided with internal stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117578836A (en) * | 2024-01-12 | 2024-02-20 | 苏州英磁新能源科技有限公司 | Rotor structure of cylinder type linear motor and cylinder type linear motor |
-
2013
- 2013-04-28 CN CN 201320230340 patent/CN203206090U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117578836A (en) * | 2024-01-12 | 2024-02-20 | 苏州英磁新能源科技有限公司 | Rotor structure of cylinder type linear motor and cylinder type linear motor |
| CN117578836B (en) * | 2024-01-12 | 2024-04-26 | 苏州英磁新能源科技有限公司 | Rotor structure of cylinder type linear motor and cylinder type linear motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130918 Termination date: 20210428 |