CN204030219U - A kind of hook-type commutator segment of crotch kink band groove - Google Patents
A kind of hook-type commutator segment of crotch kink band groove Download PDFInfo
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- CN204030219U CN204030219U CN201420330482.2U CN201420330482U CN204030219U CN 204030219 U CN204030219 U CN 204030219U CN 201420330482 U CN201420330482 U CN 201420330482U CN 204030219 U CN204030219 U CN 204030219U
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- crotch
- main body
- rectangular
- hook
- commutator segment
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Abstract
The utility model relates to a kind of hook-type commutator segment of crotch kink band groove, comprise main body, crotch and implanting portion, described main body is rectangular tabular, on its lower surface, be laterally furnished with implanting portion, the middle part, short side of described main body is furnished with crotch, described crotch bends towards main body upper surface, the middle part, two sides before bending of described crotch is arranged symmetrically with fluted, groove floor is rectangular, after bending, the bottom surface of groove is fan-shaped, described implanting portion comprises connecting portion, isosceles trapezoid body and rectangular preiection, described isosceles trapezoid body upper surface is connected with middle part, main body lower surface by connecting portion, on the lower surface of isosceles trapezoid body, be furnished with rectangular preiection, on described inclined-plane, isosceles trapezoid body two ends, be arranged symmetrically with arc notch, described rectangular preiection middle part has rectangular recess.The utlity model has the features such as speed of production simple in structure, easy for installation, greatly to have accelerated commutator.
Description
Technical field
The utility model relates to commutator segment and manufactures field, particularly relates to a kind of hook-type commutator segment of crotch kink band groove.
Background technology
Commutator is one of topmost part in direct current machine, also be the structure of difficulty of processing maximum, the quality of commutator quality is to weigh the important indicator of direct-current electric motor performance and quality, commutator has several commutator segments to bond together by phenolic moulding powder, and surround cylindric, the hook pin bending part both sides of hook-type commutator segment can be caused and heave because of bending, this heaves easy formation burr, and owing to heaving and cause winding length to increase in both sides, thereby winding tension is increased, easily cause this situation of coiling unhook.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of hook-type commutator segment of crotch kink band groove, has the features such as speed of production simple in structure, easy for installation, greatly to have accelerated commutator.
The utility model solves the technical scheme that its technical problem adopts: the hook-type commutator segment that a kind of crotch kink band groove is provided, comprise main body, crotch and implanting portion, described main body is rectangular tabular, on its lower surface, be laterally furnished with implanting portion, the middle part, short side of described main body is furnished with crotch, described crotch bends towards main body upper surface, the middle part, two sides before bending of described crotch is arranged symmetrically with fluted, groove floor is rectangular, after bending, the bottom surface of groove is fan-shaped, described implanting portion comprises connecting portion, isosceles trapezoid body and rectangular preiection, described isosceles trapezoid body upper surface is connected with middle part, main body lower surface by connecting portion, on the lower surface of isosceles trapezoid body, be furnished with rectangular preiection, on described inclined-plane, isosceles trapezoid body two ends, be arranged symmetrically with arc notch, described rectangular preiection middle part has rectangular recess, by the kink both sides at crotch, be furnished with groove, make crotch place there will not be burr, can not cause because crotch bending part occurs heaving winding length to increase simultaneously, thereby cause winding tension to increase, coiling is broken off relations, the installation of inconvenient commutator segment.
As the hook-type commutator segment of a kind of crotch kink band groove to described in such scheme a kind of preferably, the bending angle of described crotch is between 120 °～150 °.
The a kind of of hook-type commutator segment as a kind of crotch kink band groove to described in such scheme supplements, described rectangular recess, and the degree of depth of rectangular recess is greater than the height of rectangular preiection, commutator segment can be arranged in commutator more stable.
As the hook-type commutator segment of a kind of crotch kink band groove to described in such scheme a kind of preferably, the degree of depth of described groove is 5 ㎜～8 ㎜, makes not occur heaving after groove bending.
The a kind of of hook-type commutator segment as a kind of crotch kink band groove to described in such scheme supplements, described main body, crotch and implanting portion monolithic molding, whole part is stamped to form by press, simultaneously by crotch bending, has greatly improved the speed of production of product.
beneficial effect
The utility model relates to a kind of hook-type commutator segment of crotch kink band groove, by the kink both sides at crotch, be furnished with groove, make crotch place there will not be burr, can not cause because crotch bending part occurs heaving winding length to increase simultaneously, thereby cause winding tension to increase, coiling is broken off relations, the installation of inconvenient commutator segment, the features such as speed of production that this practicality also has is simple in structure, easy for installation, accelerated commutator greatly.
Accompanying drawing explanation
Fig. 1 is topology view of the present utility model;
Fig. 2 is structural front view of the present utility model;
Fig. 3 is structure left view of the present utility model;
Fig. 4 is that this practicality improves pre-structure view.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Execution mode of the present utility model relates to a kind of hook-type commutator segment of crotch kink band groove, as shown in Fig. 1-4, comprise main body 1, crotch 3 and implanting portion 2, described main body 1 is rectangular tabular, on its lower surface, be laterally furnished with implanting portion 2, the middle part, short side of described main body 1 is furnished with crotch 3, described crotch 3 is towards main body 1 upper surface bending, the middle part, two sides before bending of described crotch 3 is arranged symmetrically with fluted 4, groove 4 bottom surfaces are rectangular, after bending, the bottom surface of groove 4 is fan-shaped, described implanting portion 2 comprises connecting portion 21, isosceles trapezoid body 22 and rectangular preiection 23, described isosceles trapezoid body upper surface 22 is connected with main body 1 middle part, lower surface by connecting portion 21, on the lower surface of isosceles trapezoid body 22, be furnished with rectangular preiection 23, on described isosceles trapezoid body 22 inclined-planes, two ends, be arranged symmetrically with arc notch 6, described rectangular preiection 23 middle parts have rectangular recess 5, the bending angle of described crotch 3 is between 120 °～150 °, described rectangular recess 5, the degree of depth of rectangular recess 5 is greater than the height of rectangular preiection 23, the degree of depth of described groove 4 is 5 ㎜～8 ㎜, described main body 1, crotch 3 and implanting portion 2 monolithic moldings.
Embodiment
First by material copper is pushed, shape coarse-blank, afterwards thick embryo is placed under punch press, by Presser Dashing, extrude the hook-type commutator segment that whole crotch 3 does not have bending, the both sides of crotch 3 are punched out two grooves 4 simultaneously, along groove 4 middle parts, bend afterwards, the rear crotch of bending 3 both sides there will not be heaves, so just avoided occurring burr, while making to wind the line, avoid copper cash to be drawn the appearance of phenomenons such as breaking, when commutator segment is installed simultaneously, because occur, do not heave, so the length of coiling shortens, tension force can reduce, avoid the generation of this phenomenon of off-line, greatly improved the speed of commutator assembling simultaneously.
Claims (5)
1. the hook-type commutator segment of a crotch kink band groove, comprise main body (1), crotch (3) and implanting portion (2), described main body (1) is rectangular tabular, on its lower surface, be laterally furnished with implanting portion (2), the middle part, short side of described main body (1) is furnished with crotch (3), described crotch (3) bends towards main body (1) upper surface, it is characterized in that: the middle part, two sides before bending of described crotch (3) is arranged symmetrically with fluted (4), groove (4) bottom surface is rectangular, after bending, the bottom surface of groove (4) is fan-shaped, described implanting portion (2) comprises connecting portion (21), isosceles trapezoid body (22) and rectangular preiection (23), described isosceles trapezoid body upper surface (22) is connected with middle part, main body (1) lower surface by connecting portion (21), on the lower surface of isosceles trapezoid body (22), be furnished with rectangular preiection (23), on described isosceles trapezoid body (22) inclined-plane, two ends, be arranged symmetrically with arc notch (6), described rectangular preiection (23) middle part has rectangular recess (5).
2. the hook-type commutator segment of a kind of crotch kink band groove according to claim 1, is characterized in that: the bending angle of described crotch (3) is between 120 °～150 °.
3. the hook-type commutator segment of a kind of crotch kink band groove according to claim 1, is characterized in that: described rectangular recess (5), the degree of depth of rectangular recess (5) is greater than the height of rectangular preiection (23).
4. the hook-type commutator segment of a kind of crotch kink band groove according to claim 1, is characterized in that: the degree of depth of described groove (4) is 5 ㎜～8 ㎜.
5. the hook-type commutator segment of a kind of crotch kink band groove according to claim 1, is characterized in that: described main body (1), crotch (3) and implanting portion (2) monolithic molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330482.2U CN204030219U (en) | 2014-06-20 | 2014-06-20 | A kind of hook-type commutator segment of crotch kink band groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420330482.2U CN204030219U (en) | 2014-06-20 | 2014-06-20 | A kind of hook-type commutator segment of crotch kink band groove |
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| Publication Number | Publication Date |
|---|---|
| CN204030219U true CN204030219U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420330482.2U Active CN204030219U (en) | 2014-06-20 | 2014-06-20 | A kind of hook-type commutator segment of crotch kink band groove |
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| CN (1) | CN204030219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739592A (en) * | 2019-10-09 | 2020-01-31 | 苏州工业园区安固电器有限公司 | commutator segment for commutator and production equipment thereof |
-
2014
- 2014-06-20 CN CN201420330482.2U patent/CN204030219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739592A (en) * | 2019-10-09 | 2020-01-31 | 苏州工业园区安固电器有限公司 | commutator segment for commutator and production equipment thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |