CN201616715U - Iron core and thin bridge chain type iron core - Google Patents
Iron core and thin bridge chain type iron core Download PDFInfo
- Publication number
- CN201616715U CN201616715U CN2010201141019U CN201020114101U CN201616715U CN 201616715 U CN201616715 U CN 201616715U CN 2010201141019 U CN2010201141019 U CN 2010201141019U CN 201020114101 U CN201020114101 U CN 201020114101U CN 201616715 U CN201616715 U CN 201616715U
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- Prior art keywords
- iron core
- tooth unit
- profile
- chain type
- groove
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- 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 - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000005452 bending Methods 0.000 claims abstract description 25
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 238000004804 winding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000500881 Lepisma Species 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model provides a thin chain-type iron core, include: a plurality of tooth units, each tooth unit being generally T-shaped; two adjacent tooth-shaped units are connected through a horizontal connecting part; the upper surface of the horizontal connecting part is provided with a connecting groove which is convenient for the tooth-shaped unit to bend; a folding groove is arranged below the horizontal connecting part. The utility model can increase the groove fullness rate by more than 20 percent, improve the material utilization rate by more than 10 percent and shorten the winding working time; stress is concentrated on the upper surface of the connecting part, so that the upper surface is easier to generate plastic deformation, the bending forming precision is better, the requirements of material selection parameters such as material hardness and the like are reduced, the cost is reduced, and the adaptability is wider.
Description
Technical field
The utility model relates to machine field, more specifically, relates to iron core and thin bridge chain type iron core.
Background technology
Thin bridge iron core has the plurality of advantages of chain type iron core as a kind of chain structure iron core, but the overall dimensional accuracy after how guaranteeing to bend is the important difficult point that influence technique is promoted always.Prior art after each profile of tooth unit connects, the junction of each profile of tooth unit, especially the quality of fit at cylindrical place is not high, influences the performance of iron core integral body.
The utility model content
The utility model aims to provide a kind of thin bridge chain type iron core, and the junction quality of fit that can solve existing thin bridge chain type iron core is not high, influences the problems such as performance of iron core integral body.
According to an aspect of the present utility model, a kind of thin bridge chain type iron core is provided, comprising: a plurality of profiles of tooth unit, each profile of tooth unit is T-shaped substantially; Connecting portion by level between adjacent two profile of tooth unit connects; The connecting portion upper surface of level is provided with the connection groove of being convenient to the bending of profile of tooth unit; The connecting portion below of level is provided with the groove that turns back.
Preferably, connecting groove is vee gutter or semi-circular groove.
Preferably, the groove that turns back is a V-shaped groove.
Preferably, the turn back bight of groove is provided with arc-shaped slot.
Preferably, the outer surface of each profile of tooth unit is a circular arc; The part surface of arc-shaped slot is positioned on the extended line of place circle of circular arc outer surface of profile of tooth unit.
Preferably, each profile of tooth unit is provided with outstanding locating button point.
Preferably, the bottom of each profile of tooth unit is provided with open slot.
Preferably, the side of the profile of tooth unit of head end has protuberance; The side of the profile of tooth unit of tail end has the suitable depressed part that is connected with protuberance.
The utility model also provides a kind of iron core, comprises foregoing thin bridge chain type iron core, and the described profile of tooth unit of the described profile of tooth unit of head end and tail end is connected to form the annular iron core sheet.
Preferably, each described profile of tooth unit is provided with outstanding locating button point; Described iron core comprises the multi-disc annular iron core sheet of the formation cylindricality that is superimposed.
Because the connecting portion by level between adjacent two profile of tooth unit connects; The connecting portion upper surface of level is provided with the connection groove of being convenient to the bending of profile of tooth unit; Connecting groove after the bending stretches along with bending or is out of shape, make that the connection between adjacent two profile of tooth unit is more slick and sly, natural, folding s tress is little, thereby optimize bending precision and performance, so overcome the junction quality of fit of existing thin bridge chain type iron core not high, influence the problem of the performance of iron core integral body, and then it is better to have reached the bending forming precision, has reduced the requirement that materials such as material hardness are selected parameter, reduced cost, the effect that adaptability is wider.
Description of drawings
Accompanying drawing is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown according to the overall structure before the thin bridge chain type of the wall scroll iron core bending of the utility model embodiment;
Fig. 2 has schematically shown the structure according to the thin bridge chain type of the monolithic iron core after the utility model embodiment bending;
Fig. 3 has schematically shown the structure of adjacent two the profile of tooth unit of the thin bridge chain type of the wall scroll among Fig. 1 iron core.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 has schematically shown according to the overall structure before the thin bridge chain type of the wall scroll iron core bending of the utility model embodiment.
As shown in Figure 1, the thin bridge chain type iron core according to the utility model embodiment comprises: the profile of tooth unit 10 in the profile of tooth unit 10 of head end, the profile of tooth unit 10 of tail end and the stage casing between the profile of tooth unit 10 of the profile of tooth unit 10 of head end and tail end; The profile of tooth unit 10 of the profile of tooth unit 10 of head end, the profile of tooth unit 10 in stage casing and tail end is in turn connected to form ring-type; Each profile of tooth unit 10 is T-shaped substantially;
Connecting portion 109 by level between adjacent two profile of tooth unit 10 connects, and the outer surface 107 of profile of tooth unit 10 is circular usually, connects so connecting portion 109 is convenient to adjacent two profile of tooth unit 10 for horizontal shape, reduces folding stress; The connecting portion upper surface of level is provided with the connection groove 1091 of being convenient to 10 bendings of profile of tooth unit; The connecting portion below of level is provided with the groove 102 that turns back.During bending, the groove 102 that turns back diminishes even is deformed into and connects the slit, and adjacent two profile of tooth unit 10 are drawn close mutually.
The utility model is existing makes strip with stator core stamping, exists the thin bridging that does not thrust to connect (being connecting portion 109) between the profile of tooth unit 10, at last the strip iron core is bent into circular stator core.Because the connecting portion 109 by level between adjacent two profile of tooth unit 10 connects; The connecting portion upper surface of level is provided with the connection groove 1091 of being convenient to the bending of profile of tooth unit; Connecting groove 1091 after the bending stretches along with bending or is out of shape, make that the connection between adjacent two profile of tooth unit is more slick and sly, natural, folding s tress is little, thereby optimize bending precision and performance, so overcome the problem that the junction quality of fit of existing thin bridge chain type iron core is not high, influence the performance of iron core integral body, and then it is better to have reached the bending forming precision, reduced the effect of the requirement of materials such as material hardness selection parameter, can use bending performance to hang down the material of some, reduced cost, adaptability is wider
Preferably, as shown in Figure 3, connecting groove 1091 is vee gutter or semi-circular groove, and like this, connection groove 1091 stretches or is out of shape, and the performance that adapts to bending is better, better optimize bending precision and performance.When connection groove 1091 was vee gutter, if select suitable dimensions, after the bending, near the straight angle, there was not sharp-pointed connection slit in the unfolded formation of vee gutter obtuse angle shape basically, reduces to connect stress, and vee gutter is convenient to processing.Connecting groove 1091 is semi-circular groove, and after the bending, connecting the slit can be littler, and the connection between adjacent two profile of tooth unit 10 is slicker and more sly.
Preferably, the groove 102 that turns back is V-shaped groove, like this, makes that the connection slit between adjacent two profile of tooth unit 10 is littler, and the applying between adjacent two profile of tooth unit 10 is more tight, can increase stock utilization, increases the motor copper factor.Certainly, the groove 102 that turns back can be the groove of other shapes, but will satisfy being connected between adjacent two profile of tooth unit 10 as far as possible.
Preferably, the bight of the groove 102 that turns back is provided with arc-shaped slot 1021, like this, can reduce folding s tress, avoids too sharply producing the phenomenon that folding s tress is concentrated owing to the bight of the groove 102 that turns back.
Preferably, the outer surface 107 of each profile of tooth unit 10 is circular; The part surface of arc-shaped slot 1021 is positioned on the elongated surfaces of rounded outer surface of profile of tooth unit 10.For example, the center of circle of adjacent two profile of tooth unit 10 outer surfaces 107 is respectively C1, C2, radius is respectively R1, R2, and R1 is identical usually with R2, so as processing and be connected, the part surface of arc-shaped slot 1021 lays respectively on the elongated surfaces of rounded outer surface of profile of tooth unit 10, and its center of circle also is respectively C1, C2, radius is identical, like this, when processing profile of tooth unit 10 or thin bridge chain type iron core, can together process, avoid changing the increase of the technology that produces owing to parameter.
Preferably, each profile of tooth unit 10 is provided with outstanding locating button point 101, so that location during the stack of adjacent two iron cores.Usually every thin bridge chain type iron core is to be formed by 10 punching presses of profile of tooth unit, and the locating button point 101 on the 10 stack planes, profile of tooth unit projects upwards, and simultaneously, has just formed the depression location division under the 10 stack planes, profile of tooth unit.The locating button point 101 of two rings shape iron core when stack lower floor annular core just can be located and cooperates with the superpose depression location division on planes, the profile of tooth unit 10 on upper strata up and down, and the core structure of making like this is tight.Accurate positioning when locating button point 101 makes the annular core stack that forms after two adjacent bendings.
Preferably, the bottom of each profile of tooth unit 10 is provided with open slot 106, and for example, the open slot 106 that the bottom of each profile of tooth unit 10 is provided with is two, can reduce the torque of profile of tooth unit 10 like this, reduces the motor oscillating noise.
Preferably, the side of the profile of tooth unit 10 of head end has protuberance 103; The side of the profile of tooth unit 10 of tail end has the suitable depressed part 105 that is connected with protuberance.Amalgamation so preferably forms the annular core sheet, during connection, can be with protuberance 103 and depressed part 105 welding, and welding effect is good, strengthens the stability of welding.
As shown in Figure 2, the utility model also provides a kind of iron core, comprises foregoing thin bridge chain type iron core, and the described profile of tooth unit 10 of head end is connected to form the annular iron core sheet with the described profile of tooth unit 10 of tail end.For example, the side of the profile of tooth unit 10 of head end has protuberance 103; The side of the profile of tooth unit 10 of tail end has the suitable depressed part 105 that is connected with protuberance, during connection, can be with protuberance 103 and depressed part 105 welding, and welding effect is good, strengthens the stability of welding.
Preferably, each described profile of tooth unit is provided with outstanding locating button point; Described iron core comprises the multi-disc annular iron core sheet of the formation cylindricality that is superimposed.Like this, can form columnar iron core, the inner good connecting effect of annular iron core sheet, Overlay is good between the annular iron core sheet, thereby, columnar iron core internal structure compactness.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
The utility model can increase the copper factor more than 20%, improves the stock utilization more than 10% and has shortened coiling man-hour; Stress is concentrated on the upper surface 109 of connecting portion, make the easier generation plastic deformation of upper surface, the bending forming precision is better, has reduced the requirement that materials such as material hardness are selected parameter, has reduced cost, and adaptability is wider.
The utility model has increased the motor copper factor to improve electric efficiency, has increased stock utilization to save cost, has improved winding efficiency to boost productivity.
The above is a 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 changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. one kind thin bridge chain type iron core comprises: a plurality of profiles of tooth unit (10), it is characterized in that,
Each described profile of tooth unit (10) is T-shaped substantially;
Connecting portion (109) by level between adjacent two profile of tooth unit (10) connects;
The connecting portion upper surface of described level is provided with the connection groove (1091) of being convenient to described profile of tooth unit (10) bending;
The connecting portion below of described level is provided with the groove that turns back (102).
2. thin bridge chain type iron core according to claim 1 is characterized in that described connection groove (1091) is vee gutter or semi-circular groove.
3. thin bridge chain type iron core according to claim 1 is characterized in that the described groove that turns back (102) is a V-shaped groove.
4. thin bridge chain type iron core according to claim 3 is characterized in that the bight of the described groove that turns back (102) is provided with arc-shaped slot (1021).
5. thin bridge chain type iron core according to claim 4 is characterized in that the outer surface of described each profile of tooth unit (10) is a circular arc; The part surface of described arc-shaped slot (1021) is positioned on the extended line of circular arc outer surface place circle of described profile of tooth unit (10).
6. thin bridge chain type iron core according to claim 1 is characterized in that each described profile of tooth unit (10) is provided with outstanding locating button point.
7. thin bridge chain type iron core according to claim 1 is characterized in that the bottom of each described profile of tooth unit (10) is provided with open slot (106).
8. thin bridge chain type iron core according to claim 1 is characterized in that the side of the described profile of tooth unit (10) of head end has protuberance; The side of the described profile of tooth unit (10) of tail end has the suitable depressed part that is connected with described protuberance.
9. an iron core is characterized in that, comprises each described thin bridge chain type iron core in the claim 1 to 9, and the described profile of tooth unit (10) of head end is connected to form the annular iron core sheet with the described profile of tooth unit (10) of tail end.
10. iron core according to claim 9 is characterized in that, each described profile of tooth unit (10) is provided with outstanding locating button point; Described iron core comprises the multi-disc annular iron core sheet of the formation cylindricality that is superimposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201141019U CN201616715U (en) | 2010-01-29 | 2010-01-29 | Iron core and thin bridge chain type iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201141019U CN201616715U (en) | 2010-01-29 | 2010-01-29 | Iron core and thin bridge chain type iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616715U true CN201616715U (en) | 2010-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201141019U Expired - Lifetime CN201616715U (en) | 2010-01-29 | 2010-01-29 | Iron core and thin bridge chain type iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616715U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162270A (en) * | 2015-10-22 | 2015-12-16 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator and motor |
| CN106130208A (en) * | 2016-08-09 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Chain type stator core, motor stator and motor |
| CN106130207A (en) * | 2016-08-05 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of stator core and chain type stator lamination |
| CN107017708A (en) * | 2016-01-28 | 2017-08-04 | 日本电产三协株式会社 | The manufacture method of stator and stator |
-
2010
- 2010-01-29 CN CN2010201141019U patent/CN201616715U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162270A (en) * | 2015-10-22 | 2015-12-16 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator and motor |
| CN107017708A (en) * | 2016-01-28 | 2017-08-04 | 日本电产三协株式会社 | The manufacture method of stator and stator |
| US10291084B2 (en) | 2016-01-28 | 2019-05-14 | Nidec Sankyo Corporation | Stator and manufacturing method therefor |
| CN107017708B (en) * | 2016-01-28 | 2019-09-17 | 日本电产三协株式会社 | The manufacturing method of stator and stator |
| CN106130207A (en) * | 2016-08-05 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of stator core and chain type stator lamination |
| CN106130208A (en) * | 2016-08-09 | 2016-11-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Chain type stator core, motor stator and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |