CN204304635U - The motor of a kind of bar shaped stator punching and application thereof - Google Patents
The motor of a kind of bar shaped stator punching and application thereof Download PDFInfo
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- CN204304635U CN204304635U CN201420761410.3U CN201420761410U CN204304635U CN 204304635 U CN204304635 U CN 204304635U CN 201420761410 U CN201420761410 U CN 201420761410U CN 204304635 U CN204304635 U CN 204304635U
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Abstract
The utility model discloses the motor of a kind of bar shaped stator punching and application thereof, comprise multiple side-by-side elementary cell, each elementary cell comprises yoke portion, several stator teeths stretched out toward inner side from yoke portion and be positioned at a left side half teeth portion of stator teeth both sides and right half teeth portion, interconnective joint portion is formed between the yoke portion of two adjacent elementary cells, joint portion is relied on to enable each elementary cell be rolled into a ring-type and make a left side half teeth portion of two adjacent elementary cells and right half teeth portion be spliced to form a stator teeth, line embedding groove is formed between two adjacent stator teeths, this bar shaped stator laminating structure is simple, the round-formed stator punching with multiple teeth portion and line embedding groove can be rolled up, significantly improve the utilance of silicon steel material, and production technology is more simple, precision is higher.
Description
Technical field:
The utility model relates to the motor of a kind of bar shaped stator punching and application thereof.
Background technology:
The normally supporting drawing with rotor punching of the stator punching of conventional AC small and special electric machine, as shown in Figure 1, stator punching A majority is rounded, this way is for many years general in industry, but due to the needs of mould arrangement, cause the scrap material utilance of the silicon steel sheet for the production of stator punching A not high, wasting phenomenon is comparatively serious.
For the problem of above-mentioned serious waste phenomenon, existing some stator teeth negligible amounts, the line embedding groove stator punching comparatively disperseed that distributes is started to adopt bar shaped stator punching B to roll up the design of circle, as shown in Figure 2.This way effectively can improve the utilance of silicon steel material.But, the stator teeth of current interchange small and special electric machine field internal stator punching and the quantity of line embedding groove get more and more, distribute more and more intensive, stator punching as shown in Figure 1 has 36 stator teeths and 36 line embedding grooves, current bar shaped stator punching B cannot roll up round-formed described stator punching, because Mold Making precision cannot make the bar shaped stator punching with so many stator teeth and line embedding groove, and current production technology is also difficult to such bar shaped stator punching to be rolled into a full circle.
Summary of the invention:
The purpose of this utility model is to provide the motor of a kind of bar shaped stator punching and application thereof, this bar shaped stator laminating structure is simple, can roll up the round-formed stator punching with multiple teeth portion and line embedding groove, significantly improve the utilance of silicon steel material, and production technology is more simple, precision is higher.
This electric machine structure is simple, effectively improves the utilance of silicon steel material, and production technology performance that is more simple, motor gets a promotion.
The purpose of this utility model is achieved by following technical proposals.
A kind of bar shaped stator punching, comprise multiple side-by-side elementary cell, several stator teeths that each elementary cell comprises yoke portion, stretch out toward inner side from yoke portion and a left side half teeth portion being positioned at stator teeth both sides and right half teeth portion, interconnective joint portion is formed between the yoke portion of two adjacent elementary cells, rely on joint portion enable each elementary cell be rolled into a ring-type and make a left side half teeth portion of two adjacent elementary cells and right half teeth portion be spliced to form a stator teeth, between two adjacent stator teeths, form line embedding groove.
Joint portion described above comprise be connected to two adjacent elementary cells yoke portion outside between intercell connector, the grooving one inside intercell connector, between the yoke portion of adjacent two elementary cells and the grooving two outside intercell connector, between the yoke portion of adjacent two elementary cells.
Grooving one described above and grooving two are all circular arc.
The yoke portion of two elementary cells at head and the tail described above is respectively arranged with fixture block and draw-in groove.
Described above offers screw hole in the yoke portion of indivedual elementary cell, and the yoke portion of each elementary cell offers riveting button hole.
The quantity of elementary cell described above is 12, and each elementary cell comprises yoke portion, 2 stator teeths stretching out toward inner side from yoke portion and a left side half teeth portion being positioned at stator teeth both sides and right half teeth portion.
A kind of motor, comprise rotating shaft, rotor assembly, stator module and casing assembly, rotor assembly is arranged in rotating shaft, stator module and casing assembly are installed together and are sleeved on outside rotor assembly, rotating shaft two supports is on the bearing of casing assembly, described stator module comprises stator core and is winding and installed in the coil windings on stator core, stator core is laminated by some stator punchings, stator punching is rolled up circle by bar shaped stator punching and is formed, described bar shaped stator punching comprises multiple side-by-side elementary cell, each elementary cell comprises yoke portion, several stator teeths stretched out toward inner side from yoke portion and be positioned at a left side half teeth portion of stator teeth both sides and right half teeth portion, interconnective joint portion is formed between the yoke portion of two adjacent elementary cells, joint portion is relied on to enable each elementary cell be rolled into a ring-type and make a left side half teeth portion of two adjacent elementary cells and right half teeth portion be spliced to form a stator teeth, line embedding groove is formed between two adjacent stator teeths.
Rotor assembly described above comprises the rotor core be laminated by some rotor punchings, described rotor punching is rolled up circle by bar shaped rotor punching and is formed, bar shaped rotor punching comprises multiple side-by-side punching sheet unit, each punching sheet unit comprises back, several rotor teeth portion of stretching out toward outside from back and be positioned at the first half teeth portion and the second half teeth portion of rotor teeth portion both sides, interconnective connecting portion is formed between the first half teeth portion of two adjacent punching sheet units and the second half teeth portion, rely on connecting portion to enable each punching sheet unit be rolled into a ring-type and make the first half teeth portion of two adjacent punching sheet units and the second half teeth portion be spliced to form a rotor teeth portion, rotor portion is formed between two adjacent rotor teeth portion.
Connecting portion described above comprises the joint strip be connected between two adjacent punching sheet units the first half teeth portion and the second half teeth portion ends, the open slot one inside joint strip, between adjacent two punching sheet units the first half teeth portion and the second half teeth portion and the open slot two outside joint strip, between adjacent two punching sheet units the first half teeth portion and the second half teeth portion.
The quantity of punching sheet unit described above is 12, and each punching sheet unit comprises back, 3 rotor teeth portion of stretching out toward outside from back and be positioned at the first half teeth portion and the second half teeth portion of rotor teeth portion both sides.
The utility model compared with prior art, has following effect:
1) this bar shaped stator laminating structure is simple, the round-formed stator punching with multiple teeth portion and line embedding groove can be rolled up, significantly improve the utilance of silicon steel material, and production technology is more simple, precision is higher, simultaneously, the connecting portion of adjacent two elementary cells is provided with the centre of stator teeth, and connect more firm, reliability is higher;
2) joint portion comprise be connected to two adjacent elementary cells yoke portion outside between intercell connector, grooving one inside intercell connector, between the yoke portion of adjacent two elementary cells and the grooving two outside intercell connector, between the yoke portion of adjacent two elementary cells, grooving one and grooving two are all circular arc, structure is simple, facilitates bar shaped stator punching to be rolled into a ring-type;
3) in the yoke portion of head and the tail two elementary cells, fixture block and draw-in groove is respectively arranged with, after bar shaped stator punching is rolled into a ring-type, be positioned at head and the tail two elementary cell yoke portions on fixture block and draw-in groove be mutually fitted together to, the shape of annular stator punching is kept, structure is simple, easy for installation, firm;
4) this electric machine structure is simple, utilizes bar shaped stator punching to roll up the round-formed stator punching with multiple teeth portion and line embedding groove, effectively improves the utilance of silicon steel material, and production technology performance that is more simple, motor gets a promotion;
5) bar shaped rotor punching comprises multiple side-by-side punching sheet unit, each punching sheet unit comprises back, several rotor teeth portion of stretching out toward outside from back and be positioned at the first half teeth portion and the second half teeth portion of rotor teeth portion both sides, interconnective connecting portion is formed between the first half teeth portion of two adjacent punching sheet units and the second half teeth portion, rely on connecting portion to enable each punching sheet unit be rolled into a ring-type and make the first half teeth portion of two adjacent punching sheet units and the second half teeth portion be spliced to form a rotor teeth portion, rotor portion is formed between two adjacent rotor teeth portion, by the round-formed rotor punching with multiple rotor teeth portion and rotor portion of bar shaped rotor punching volume, significantly improve the utilance of silicon steel material, and production technology is more simple, precision is higher, simultaneously, the connecting portion of adjacent two punching sheet units is provided with the centre of rotor teeth portion, connect more firm, reliability is higher,
6) connecting portion comprises the joint strip be connected between two adjacent punching sheet units the first half teeth portion and the second half teeth portion ends, open slot one inside joint strip, between adjacent two punching sheet units the first half teeth portion and the second half teeth portion and the open slot two outside joint strip, between adjacent two punching sheet units the first half teeth portion and the second half teeth portion, structure is simple, facilitates bar shaped rotor punching to be rolled into a ring-type.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of traditional circular stator punching;
Fig. 2 is the structural representation of existing bar shaped stator punching;
Fig. 3 is the structural representation of bar shaped stator punching in embodiment;
Fig. 4 is A-A partial enlarged drawing in Fig. 3;
Fig. 5 is the structural representation of bar shaped stator punching in volume circle process in embodiment;
Fig. 6 is B-B partial enlarged drawing in Fig. 5;
Fig. 7 is the stereogram of motor in embodiment;
Fig. 8 is the exploded view of motor in embodiment;
Fig. 9 is the structural representation of bar shaped rotor punching in embodiment;
Figure 10 is C-C partial enlarged drawing in Fig. 9;
Figure 11 is the structural representation of bar shaped rotor punching in volume circle process in embodiment;
Figure 12 is D-D partial enlarged drawing in Figure 11.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Figures 3 to 6, the present embodiment is a kind of bar shaped stator punching, comprise 12 side-by-side elementary cells 1, each elementary cell 1 comprises yoke portion 11, 2 stator teeths 12 stretched out toward inner side from yoke portion 11 and be positioned at a left side half teeth portion 13 of stator teeth 12 both sides and right half teeth portion 14, interconnective joint portion 15 is formed between the yoke portion 11 of two adjacent elementary cells 1, joint portion 15 is relied on to make each elementary cell 1 can be rolled into a ring-type and make a left side half teeth portion 13 of two adjacent elementary cells 1 and right half teeth portion 14 be spliced to form a stator teeth 12, line embedding groove 16 is formed between two adjacent stator teeths 12.Described joint portion 15 comprise be connected to two adjacent elementary cells 1 yoke portion 11 outside between intercell connector 151, the grooving 1 inside intercell connector 151, between the yoke portion 11 of adjacent two elementary cells 1 and the grooving 2 153 outside intercell connector 151, between the yoke portion 11 of adjacent two elementary cells 1.Described grooving 1 and grooving 2 153 are all circular arc.The yoke portion 11 of two elementary cells 1 of head and the tail is respectively arranged with fixture block 111 and draw-in groove 112.The yoke portion 11 of indivedual elementary cell 1 offers screw hole 113, the yoke portion 11 of each elementary cell 1 offers riveting button hole 114.
Embodiment two: as shown in Figures 3 to 12, the present embodiment is a kind of motor, comprise rotating shaft 2, rotor assembly 3, stator module 4 and casing assembly 5, rotor assembly 3 is arranged in rotating shaft 2, stator module 4 and casing assembly 5 are installed together and are sleeved on outside rotor assembly 3, rotating shaft 2 two supports is on the bearing of casing assembly 5, the coil windings 42 that described stator module 4 comprises stator core 41 and is winding and installed on stator core 41, stator core 41 is laminated by some stator punchings, stator punching is rolled up circle by bar shaped stator punching and is formed, described bar shaped stator punching comprises multiple side-by-side elementary cell 1, each elementary cell 1 comprises yoke portion 11, 2 stator teeths 12 stretched out toward inner side from yoke portion 11 and be positioned at a left side half teeth portion 13 of stator teeth 12 both sides and right half teeth portion 14, interconnective joint portion 15 is formed between the yoke portion 11 of two adjacent elementary cells 1, joint portion 15 is relied on to make each elementary cell 1 can be rolled into a ring-type and make a left side half teeth portion 13 of two adjacent elementary cells 1 and right half teeth portion 14 be spliced to form a stator teeth 12, line embedding groove 16 is formed between two adjacent stator teeths 12.
Described rotor assembly 3 comprises the rotor core be laminated by some rotor punchings, described rotor punching is rolled up circle by bar shaped rotor punching and is formed, bar shaped rotor punching comprises 12 side-by-side punching sheet units 6, each punching sheet unit 6 comprises back 61, 3 rotor teeth portion 62 of stretching out toward outside from back 61 and be positioned at the first half teeth portion 63 and the second half teeth portion 64 of rotor teeth portion 62 both sides, interconnective connecting portion 65 is formed between the first half teeth portion 63 of two adjacent punching sheet units 6 and the second half teeth portion 64, rely on connecting portion 65 to make each punching sheet unit 6 can be rolled into a ring-type and make the first half teeth portion 63 of two adjacent punching sheet units 6 and the second half teeth portion 64 be spliced to form a rotor teeth portion 62, rotor portion 66 is formed between two adjacent rotor teeth portion 62.Described connecting portion 65 comprises the joint strip 651 be connected between adjacent two punching sheet units 6 the first half teeth portion 63 and the second half teeth portion 64 ends, the open slot 1 inside joint strip 651, between adjacent two punching sheet units 6 the first half teeth portion 63 and the second half teeth portion 64 and the open slot 2 653 outside joint strip 651, between adjacent two punching sheet units 6 the first half teeth portion 63 and the second half teeth portion 64.The first half teeth portion 63 and the second half teeth portion 64 of two punching sheet units 6 of head and the tail are respectively arranged with projection 631 and groove 641, after bar shaped rotor punching is rolled into a ring-type, the projection 631 in the first half teeth portion 63 of two punching sheet units 6 of head and the tail and the second half teeth portion 64 and groove 641 are fitted together to mutually.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a bar shaped stator punching, comprise multiple side-by-side elementary cell (1), it is characterized in that: each elementary cell (1) comprises yoke portion (11), several stator teeths (12) stretched out toward inner side from yoke portion (11) and the left side half teeth portion (13) being positioned at stator teeth (12) both sides and right half teeth portion (14), interconnective joint portion (15) is formed between the yoke portion (11) of two adjacent elementary cells (1), joint portion (15) is relied on to make each elementary cell (1) that a ring-type can be rolled into and make a left side half teeth portion (13) for two adjacent elementary cells (1) and right half teeth portion (14) be spliced to form a stator teeth (12), line embedding groove (16) is formed between two adjacent stator teeths (12).
2. a kind of bar shaped stator punching according to claim 1, it is characterized in that: described joint portion (15) comprise be connected to two adjacent elementary cells (1) outside, yoke portion (11) between intercell connector (151), the grooving one (152) between the yoke portion (11) being positioned at intercell connector (151) inner side, adjacent two elementary cells (1) and the grooving two (153) between the yoke portion (11) being positioned at two elementary cells (1) outside intercell connector (151), adjacent.
3. a kind of bar shaped stator punching according to claim 2, is characterized in that: described grooving one (152) and grooving two (153) are all circular arc.
4. a kind of bar shaped stator punching according to claim 1 or 2 or 3, is characterized in that: in the yoke portion (11) of two elementary cells (1) of head and the tail, be respectively arranged with fixture block (111) and draw-in groove (112).
5. a kind of bar shaped stator punching according to claim 4, it is characterized in that: in the yoke portion (11) of indivedual elementary cell (1), offer screw hole (113), the yoke portion (11) of each elementary cell (1) offers riveting button hole (114).
6. a kind of bar shaped stator punching according to claim 4,2 stator teeths (12) of it is characterized in that: the quantity of described elementary cell (1) is 12, each elementary cell (1) comprises yoke portion (11), stretching out toward inner side from yoke portion (11) and the left side half teeth portion (13) being positioned at stator teeth (12) both sides and right half teeth portion (14).
7. a motor, comprise rotating shaft (2), rotor assembly (3), stator module (4) and casing assembly (5), rotor assembly (3) is arranged in rotating shaft (2), stator module (4) and casing assembly (5) are installed together and are sleeved on rotor assembly (3) outside, rotating shaft (2) two supports is on the bearing of casing assembly (5), described stator module (4) comprises stator core (41) and is winding and installed in the coil windings (42) on stator core (41), stator core (41) is laminated by some stator punchings, stator punching is rolled up circle by bar shaped stator punching and is formed, it is characterized in that: described bar shaped stator punching is the bar shaped stator laminating structure described in any one of claim 1 to 6.
8. a kind of motor according to claim 7, it is characterized in that: described rotor assembly (3) comprises the rotor core be laminated by some rotor punchings, described rotor punching is rolled up circle by bar shaped rotor punching and is formed, bar shaped rotor punching comprises multiple side-by-side punching sheet unit (6), each punching sheet unit (6) comprises back (61), several rotor teeth portion (62) of stretching out toward outside from back (61) and be positioned at the first half teeth portion (63) and the second half teeth portion (64) of rotor teeth portion (62) both sides, interconnective connecting portion (65) is formed between the first half teeth portion (63) of two adjacent punching sheet units (6) and the second half teeth portion (64), rely on connecting portion (65) to make each punching sheet unit (6) that a ring-type can be rolled into and make the first half teeth portion (63) of two adjacent punching sheet units (6) and the second half teeth portion (64) be spliced to form a rotor teeth portion (62), rotor portion (66) is formed between two adjacent rotor teeth portion (62).
9. a kind of motor according to claim 8, it is characterized in that: described connecting portion (65) comprises the joint strip (651) be connected between adjacent two punching sheet units (6) the first half teeth portion (63) and the second half teeth portion (64) ends, be positioned at joint strip (651) inner side, open slot one (652) between adjacent two punching sheet units (6) the first half teeth portion (63) and the second half teeth portion (64) and be positioned at joint strip (651) outside, open slot two (653) between adjacent two punching sheet units (6) the first half teeth portion (63) and the second half teeth portion (64).
10. a kind of motor according to claim 8 or claim 9,3 rotor teeth portion (62) of it is characterized in that: the quantity of described punching sheet unit (6) is 12, each punching sheet unit (6) comprises back (61), stretching out toward outside from back (61) and be positioned at the first half teeth portion (63) and the second half teeth portion (64) of rotor teeth portion (62) both sides.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420761410.3U CN204304635U (en) | 2014-12-05 | 2014-12-05 | The motor of a kind of bar shaped stator punching and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420761410.3U CN204304635U (en) | 2014-12-05 | 2014-12-05 | The motor of a kind of bar shaped stator punching and application thereof |
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| CN204304635U true CN204304635U (en) | 2015-04-29 |
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| CN201420761410.3U Active CN204304635U (en) | 2014-12-05 | 2014-12-05 | The motor of a kind of bar shaped stator punching and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245187A (en) * | 2020-02-27 | 2020-06-05 | 南京航空航天大学 | Annular winding dual-rotor flux reversal motor |
| WO2023115712A1 (en) * | 2021-12-22 | 2023-06-29 | 中山大洋电机股份有限公司 | Strip-shaped stator core structure, stator assembly and electric motor |
-
2014
- 2014-12-05 CN CN201420761410.3U patent/CN204304635U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245187A (en) * | 2020-02-27 | 2020-06-05 | 南京航空航天大学 | Annular winding dual-rotor flux reversal motor |
| WO2023115712A1 (en) * | 2021-12-22 | 2023-06-29 | 中山大洋电机股份有限公司 | Strip-shaped stator core structure, stator assembly and electric motor |
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