CN209642409U - Stator core - Google Patents
Stator core Download PDFInfo
- Publication number
- CN209642409U CN209642409U CN201920181299.3U CN201920181299U CN209642409U CN 209642409 U CN209642409 U CN 209642409U CN 201920181299 U CN201920181299 U CN 201920181299U CN 209642409 U CN209642409 U CN 209642409U
- Authority
- CN
- China
- Prior art keywords
- stator
- interlude
- hold
- stator core
- slot
- 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
- 230000007704 transition Effects 0.000 claims description 4
- 238000004080 punching Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of stator cores, belong to motor device technical field, including yoke portion, circumferentially it is provided with 9 stator slots on the inside in yoke portion, stator slot includes notch, and the side opposite with notch is slot inner edge on stator slot, slot inner edge includes interlude and the hold-down segment positioned at interlude two sides, interlude and hold-down segment are line segment shape, and between 120 ° to 160 °, two hold-down segments are symmetrical set the angle between interlude and hold-down segment about interlude；Change original rectangular stator slot groove profile and is less prone to shaking so that conducting wire is capable of forming comparatively dense tightening in inside.
Description
Technical field
The utility model belongs to motor device technical field, is related to motor accessory, more particularly to a kind of stator core.
Background technique
Existing motor is generally magneto, with the continuous development of science and technology, existing old, highly energy-consuming, low
The magneto of efficiency is being phased out, and efficiency of magneto etc. generally has the stator of motor and rotor to determine, and
Existing stator is mainly stacked by stator punching, and winds copper wire on the stator punching of heap poststack.
In existing technology, people can open up stator slot on stator punching so that it is convenient to which copper wire can be more square
Being wrapped on stator slot just.Currently, the Chinese patent that notification number in the market is CN108092426A discloses a kind of stator
Punching and stator core, it includes punching ontology, and multiple inner diameter channels are offered on the inside of punching ontology, and inner diameter channel is for twining
Around conducting wire, but the structure of inner diameter channel is mostly square structure, and this structure is easy to appear larger when winding iron core
Gap, tightness is not high between conducting wire.
Utility model content
In view of the deficienciess of the prior art, being solved the purpose of this utility model is to provide a kind of stator core
Technical problem is how to improve conducting wire mounting stability in stator slot.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of stator core, by
Stator piece superposition fixation forms, including yoke portion, is circumferentially provided with 9 stator slots, the stator slot packet on the inside in the yoke portion
Include notch, the side opposite with notch is slot inner edge on the stator slot, and the slot inner edge includes interlude and is located at interlude two
The hold-down segment of side, the interlude and hold-down segment are line segment shape, the angle between the interlude and hold-down segment at 120 ° extremely
Between 160 °, two hold-down segments are symmetrical set relative to interlude.
Through the above technical solutions, the positive opposite side of the notch of stator slot is re-started design, two hold-down segments are oblique
Structure, can change the shape and structure inside stator slot, and hold-down segment can play the role of preferably squeezing inside, can change
Original rectangular stator slot groove profile is less prone to shaking so that conducting wire is capable of forming comparatively dense tightening in inside.
The utility model is further arranged to: the length ratio of the hold-down segment and interlude is 2:1.
Through the above technical solutions, the longer length of hold-down segment is capable of providing enough resistance surfaces, it is ensured that inner lead is received
Contracting is stablized.
The utility model is further arranged to: the external circumferential in the yoke portion is distributed with 2 to 5 for fixing consolidating for bandage
Determine slot, the fixing groove includes two sides and bottom edge, and two sides are symmetrically and toward tilted, and the bottom edge is toward fixing groove
Notch direction protrusion, the bottom edge includes there are two symmetrically arranged bevel edge, and the protrusion that the bevel edge is constituted is toward fixing groove
Notch direction protrusion, and two bevel edge one end mutually cross.
Through the above technical solutions, the fixation groove shape in yoke portion is transformed, the bottom surface and two that two inclined-planes are constituted
A side can be formed in fixing groove two fall V space, inside inclined side can play the role of collapse bandage, and
Two inclined-planes protruded outward can play the role of being tensioned bandage, and such bandage stable structure, tension when fixed are applied
Exhibition is abundant, and entire fixed slot configurations are simple, and effect is obvious.
The utility model is further arranged to: the angle between the bevel edge is 136 °.
Through the above technical solutions, 136 ° of angle can adequately bear the stress of bandage, point was avoided to squeeze bandage
It presses through big, also avoids excessively flat being difficult to play tension effects.
The utility model is further arranged to: the bevel edge far from cross end one end connect with the bottom end of the side and
Joint passes through arc transition.
Through the above technical solutions, the structure that bevel edge connects with bottom edge can play the work come together to bandage to the greatest extent
With the stability of flute profile can be enhanced by arc transition.
The utility model is further arranged to: the length of the bevel edge is greater than the length of side.
Through the above technical solutions, the longer abundant tensioning that can ensure bandage of the length of the hypotenuse.
The utility model is further arranged to: the fixed slot number is 3 and is circumferentially uniformly distributed along yoke portion.
Through the above technical solutions, four fixed slot configurations are abundant enough when fixed convenient for stator piece.
The utility model is further arranged to: the yoke portion is additionally provided with a locating slot, and the locating slot groove profile is U
Type.
Through the above technical solutions, a locating slot plays the role of determining stator piece installation direction, U-shaped structure is stablized,
It can be realized stable clamping.
The utility model is further arranged to: the tilt angle of the notch of the stator slot is between 90 ° to 120 °.
The utility model has the beneficial effects that: the original rectangular stator slot groove profile of 1, change, so that conducting wire is in internal energy
Comparatively dense tightening is enough formed, is less prone to shaking, improves conducting wire mounting stability in stator slot, 2, power can be improved
Factor reduces electromagnetic noise and vibration, extends motor service life.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment.
Fig. 2 is the portion A enlarged drawing in Fig. 1.
Appended drawing reference: 1, yoke portion；2, fixing groove；21, side；22, bevel edge；3, locating slot；4, stator slot；41, interlude；
42, hold-down segment.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
As shown in Figures 1 and 2, a kind of stator core is formed, including yoke portion 1 by stator piece superposition fixation, yoke portion 1 it is interior
Circumferentially it is provided with 9 stator slots 4 on side, stator slot 4 includes notch, and the side opposite with notch is slot inner edge on stator slot 4, in slot
While including interlude 41 and the hold-down segment 42 positioned at 41 two sides of interlude, interlude 41 and hold-down segment 42 are line segment shape, intermediate
Angle between section 41 and hold-down segment 42 is between 120 ° to 160 °, and in the present embodiment, angle is preferably 160 °.Two hold-down segments
42 oblique structures, can change the shape and structure inside stator slot 4, and hold-down segment 42 can play preferably to be squeezed inside
Effect, is less prone to shaking.
Wherein, two hold-down segments 42 are symmetrical set about interlude 41, the length ratio of hold-down segment 42 and interlude 41
For 2:1.The longer length of hold-down segment 42 is capable of providing enough resistance surfaces, it is ensured that inner lead, which is shunk, to be stablized.The slot of stator slot 4
The tilt angle of mouth is between 90 ° to 120 °.
The external circumferential in yoke portion 1 is distributed with 3 for fixing the fixing groove 2 of bandage, and fixing groove 2 is circumferential uniformly along yoke portion 1
Distribution.2 structure of fixing groove is abundant enough when fixed convenient for stator piece.
Fixing groove 2 includes two sides 21 and bottom edge, and two sides 21 are symmetrically and past tilted.Two sides 21 it
Between angle be 104 °.The structure that angle is 104 ° is convenient for gathering of the side 21 to bandage, both will not excessively open and lead to not
Fixed bandage too small will not cause bandage can not diastole.
Wherein, the bottom edge of fixing groove 2 is protruded toward the notch direction of fixing groove 2, and bottom edge includes that there are two symmetrically arranged oblique
Side 22, the protrusion that bevel edge 22 is constituted is protruded toward the notch direction of fixing groove 2, and two 22 one end of bevel edge mutually cross, bevel edge 22
One end far from the end that crosses connects with the bottom end of side 21 and joint passes through arc transition, and the angle between bevel edge 22 is
136 °, 136 ° of angle is the stress that optimal angle can adequately bear bandage, avoids point from squeezing bandage excessive,
It avoids excessively flat being difficult to play tension effects.
Meanwhile the length of bevel edge 22 is greater than the length of side 21.22 length of bevel edge is longer can to ensure sufficiently opening for bandage
Tightly.The length of bevel edge 22 is greater than the length of side 21, the longer abundant tensioning that can ensure bandage of 22 length of bevel edge.In embodiment
In, the radius in yoke portion 1 is 48.8mm, its linear distance of the both ends of two bevel edges, 22 lie farthest away is 5mm.Power of motor can achieve
2300W, revolving speed are 4000 turns.
Yoke portion 1 is additionally provided with a locating slot 3,3 groove profile of locating slot be it is U-shaped, the width of notch is 2mm.One locating slot 3
Play the role of determining stator piece installation direction, U-shaped structure is stablized, and can be realized stable clamping.
The utility model embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Embodiment is stated, to those skilled in the art, can also be made under the premise of not departing from the utility model several
Variations and modifications, these also should be regarded as belonging to the protection scope of the utility model.
Claims (9)
1. a kind of stator core is formed by stator piece superposition fixation, including yoke portion (1), circumferentially set on the inside of the yoke portion (1)
9 stator slots (4) are equipped with, the stator slot (4) includes notch, and the side opposite with notch is slot inner edge on the stator slot (4),
It is characterized in that: the slot inner edge includes interlude (41) and the hold-down segment (42) for being located at interlude (41) two sides, the interlude
(41) with hold-down segment (42) be line segment shape, the angle between the interlude (41) and hold-down segment (42) 120 ° to 160 ° it
Between, two hold-down segments (42) are symmetrical set relative to interlude (41).
2. stator core according to claim 1, it is characterized in that: the hold-down segment (42) and the length of interlude (41) it
Than for 2:1.
3. stator core according to claim 1, it is characterized in that: the external circumferential in the yoke portion (1) is distributed with 2 to 5
For fixing the fixing groove (2) of bandage, the fixing groove (2) includes two sides (21) and bottom edge, and two sides (21) are mutual
Symmetrical and past tilted, the bottom edge is protruded toward the notch direction of fixing groove (2), and the bottom edge includes that there are two symmetrically arranged
The notch direction of bevel edge (22), the protrusion that the bevel edge (22) is constituted toward fixing groove (2) is protruded, and two bevel edge (22) one end phases
Mutually cross.
4. stator core according to claim 3, it is characterized in that: the angle between the bevel edge (22) is 136 °.
5. stator core according to claim 3, it is characterized in that: the one end of the bevel edge (22) far from the end that crosses with it is described
The bottom end of side (21) connects and joint passes through arc transition.
6. stator core according to claim 3, it is characterized in that: the length of the bevel edge (22) is greater than the length of side (21)
Degree.
7. stator core according to claim 3, it is characterized in that: the fixing groove (2) quantity is 3 and along yoke portion (1)
Circumferentially it is uniformly distributed.
8. stator core according to claim 3, it is characterized in that: being additionally provided with a locating slot in the yoke portion (1)
(3), locating slot (3) groove profile is U-shaped.
9. stator core according to claim 1, it is characterized in that: the notch tilt angle of the stator slot (4) at 90 ° extremely
Between 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920181299.3U CN209642409U (en) | 2019-02-01 | 2019-02-01 | Stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920181299.3U CN209642409U (en) | 2019-02-01 | 2019-02-01 | Stator core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209642409U true CN209642409U (en) | 2019-11-15 |
Family
ID=68493030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920181299.3U Expired - Fee Related CN209642409U (en) | 2019-02-01 | 2019-02-01 | Stator core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209642409U (en) |
-
2019
- 2019-02-01 CN CN201920181299.3U patent/CN209642409U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |