CN216121955U - Armature core structure of direct current motor - Google Patents
Armature core structure of direct current motor Download PDFInfo
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- CN216121955U CN216121955U CN202122844555.2U CN202122844555U CN216121955U CN 216121955 U CN216121955 U CN 216121955U CN 202122844555 U CN202122844555 U CN 202122844555U CN 216121955 U CN216121955 U CN 216121955U
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Abstract
The utility model discloses an armature core structure of a direct current motor, which comprises a plurality of main iron core pieces, wherein each main iron core piece comprises an iron core piece main body I, the center of the iron core piece main body I is provided with a first central through hole, and the peripheral side of the iron core piece main body I is provided with a plurality of positioning holes; the top and the bottom of the main iron chip are provided with surface iron chips, each surface iron chip comprises an iron chip main body II, the center of the iron chip main body II is provided with a second central through hole, and the periphery of the iron chip main body II is provided with a plurality of positioning stepped holes; and a plurality of top positioning long nails and a plurality of bottom positioning long nails are respectively arranged between the surface iron chip and the main iron chips. By designing a simple combined structure and the crossed positioning long nails, the utility model not only is convenient to assemble and disassemble, but also can better ensure the stability and reliability of the combination after the armature core is assembled, and greatly improves the working efficiency.
Description
Technical Field
The utility model relates to the field of direct current motor rotors, in particular to an armature core structure of a direct current motor.
Background
A dc motor is a motor that converts dc electrical energy into mechanical energy. The speed-regulating device is widely applied to electric traction due to good speed-regulating performance. The rotor of the DC motor comprises an armature core, an armature winding, a commutator, a shaft and the like, and can generate high-speed rotary motion under the drive of a rotating magnetic field generated by a stator winding when the rotor works, thereby realizing the drive purpose.
Armature core is electric motor rotor's important component, and armature core's overall structure is simple, but has important requirement to its holistic stability and reliability, and traditional armature core all is formed by the stack combination of multilayer punching press iron sheet, then the rethread bonding or extrusion formation integral type structure, and this kind of combination mode not only assembles and dismantles very inconveniently, also can't better assurance combination's stability and reliability simultaneously.
Therefore, it is desirable to provide an armature core structure of a dc motor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the traditional armature core is formed by overlapping and combining multiple layers of stamping iron sheets and then forms an integrated structure through bonding or extrusion, and the combination mode is not only inconvenient to assemble and disassemble, but also cannot better ensure the stability and reliability of combination.
In order to solve the technical problems, the utility model adopts a technical scheme that: the armature core structure of the direct current motor comprises a plurality of main iron core pieces, wherein each main iron core piece comprises a first iron core piece main body, a first central through hole is formed in the center of the first iron core piece main body, and a plurality of positioning holes are formed in the peripheral side of the first iron core piece main body;
the top and the bottom of the main iron chip are provided with surface iron chips, each surface iron chip comprises an iron chip main body II, the center of the iron chip main body II is provided with a second central through hole, and the periphery of the iron chip main body II is provided with a plurality of positioning stepped holes;
and a plurality of top positioning long nails and a plurality of bottom positioning long nails are respectively arranged between the surface iron chip and the main iron chips.
Preferably, the overall structure and the size of main iron core piece and top layer iron core piece are the same to make a plurality of main iron core pieces and top layer iron core piece can guarantee the avris parallel and level under the stacked state, thereby form a complete armature core.
Preferably, a plurality of the main iron core pieces are neatly stacked during assembly, and the two surface layer iron core pieces are respectively attached to two ends of the plurality of main iron core pieces.
Preferably, the center axes of the first center through hole and the second center through hole, the positioning hole and the positioning stepped hole are the same straight line, so that the subsequent installation and fixation of the rotating shaft are facilitated, and the quick installation and positioning of the plurality of top positioning long nails and the bottom positioning long nails are facilitated.
Preferably, it is a plurality of top location spike, bottom location spike are pegged graft in the center of a plurality of locating holes through the top and the bottom of two top layer iron core pieces respectively to can utilize a plurality of top location spikes, bottom location spike to accomplish the installation location of a plurality of main iron core pieces and top layer iron core piece fast.
Preferably, it is a plurality of interference fit is all taken with the locating hole to top location spike, bottom location spike to make a plurality of top location spikes, bottom location spike and main iron core piece, the connection of top layer iron core piece inseparabler, can not take place easily the pine condition of taking off, thereby guaranteed the stability and the reliability of combination.
Preferably, a plurality of top location spike, bottom location spike are the crisscross position distribution, and a plurality of top location spike, the bottom location spike that are the crisscross position distribution can be followed both ends and realized fixing the combination of a plurality of main iron core pieces and top layer iron core piece, make its combination more firm stable.
The utility model has the following beneficial effects:
1. by designing a simple combined structure and the crossed positioning long nails, the utility model is not only very convenient to assemble and disassemble, but also can better ensure the stability and reliability of the combination after the armature core is assembled, and greatly improves the working efficiency;
2. according to the utility model, the top positioning long nails and the bottom positioning long nails which are distributed in a crossed position are designed, so that the combination and fixation of the main iron chips and the surface iron chip can be realized from two ends, and the combination is firmer and more stable.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural diagram of a main core plate according to the present invention;
FIG. 3 is a schematic structural view of a surface iron core sheet according to the present invention;
FIG. 4 is a composite profile of the present invention for locating spikes.
In the figure: 1. a main iron chip; 101. a first iron chip main body; 102. a first central through hole; 103. positioning holes; 2. a surface iron core sheet; 201. a second iron chip main body; 202. a second central through hole; 203. positioning the stepped hole; 3. positioning the long nail at the top; 4. the bottom positions the spike.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 2, an armature core structure of a dc motor includes a plurality of main core pieces 1, each of the main core pieces 1 includes a first core piece main body 101, a first central through hole 102 is formed in a center of the first core piece main body 101, and a plurality of positioning holes 103 are formed around the first core piece main body 101;
as shown in fig. 3, the top and bottom of the plurality of main core pieces 1 are provided with a surface layer core piece 2, the surface layer core piece 2 includes a core piece main body two 201, a second central through hole 202 is formed in the center of the core piece main body two 201, and a plurality of positioning stepped holes 203 are formed in the periphery of the core piece main body two 201; the central axes of the first central through hole 102 and the second central through hole 202, the positioning hole 103 and the positioning stepped hole 203 are all in the same straight line, which is convenient for the installation and fixation of the subsequent rotating shaft and the rapid installation and positioning of the plurality of top positioning spikes 3 and the plurality of bottom positioning spikes 4;
the main iron core pieces 1 and the surface layer iron core pieces 2 are identical in overall structure and size, so that the side sides of the plurality of main iron core pieces 1 and the surface layer iron core pieces 2 can be flush in a stacked state, and a complete armature core is formed; the plurality of main iron chips 1 are orderly stacked when being assembled, and the two surface iron chips 2 are respectively attached to two ends of the plurality of main iron chips 1;
as shown in fig. 1 or 4, a plurality of top positioning spikes 3 and a plurality of bottom positioning spikes 4 are respectively installed between two surface iron core pieces 2 and a plurality of main iron core pieces 1; the top positioning long nails 3 and the bottom positioning long nails 4 are respectively inserted into the centers of the positioning holes 103 through the tops and the bottoms of the two surface iron chips 2, so that the installation and positioning of the main iron chips 1 and the surface iron chips 2 can be quickly completed by the top positioning long nails 3 and the bottom positioning long nails 4; the top positioning long nails 3 and the bottom positioning long nails 4 are in interference fit with the positioning holes 103, so that the top positioning long nails 3 and the bottom positioning long nails 4 are connected with the main iron chip 1 and the surface iron chip 2 more tightly, and the loosening condition cannot occur easily, thereby ensuring the stability and reliability of the combination; the cross position distribution that is of a plurality of top location spikes 3, bottom location spike 4, a plurality of top location spikes 3, bottom location spikes 4 that are the cross position distribution can be followed both ends and realized fixing the combination of a plurality of main iron core pieces 1 and top layer iron core piece 2, make its combination more firm stable.
When the rapid mounting and positioning device is used, a plurality of main iron chips 1 are orderly stacked together, then two surface layer iron chips 2 are respectively attached to two ends of the plurality of main iron chips 1, and then a plurality of top positioning long nails 3 and bottom positioning long nails 4 are respectively inserted into the centers of a plurality of positioning holes 103 through the tops and bottoms of the two surface layer iron chips 2, so that the plurality of main iron chips 1 and the surface layer iron chips 2 are rapidly mounted and positioned by the plurality of top positioning long nails 3 and bottom positioning long nails 4; the combination of a plurality of main iron core pieces 1 and the surface layer iron core pieces 2 can be fixed from two ends by a plurality of top positioning long nails 3 and bottom positioning long nails 4 which are distributed at the cross positions, so that the combination is firmer and more stable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a direct current motor's armature core structure, includes a plurality of main iron core pieces (1), its characterized in that: the main iron core plate (1) comprises a first iron core plate main body (101), a first central through hole (102) is formed in the center of the first iron core plate main body (101), and a plurality of positioning holes (103) are formed in the peripheral side of the first iron core plate main body (101);
the top and the bottom of the main iron chip bodies (1) are provided with surface iron chip bodies (2), each surface iron chip body (2) comprises an iron chip body II (201), the center of each iron chip body II (201) is provided with a second central through hole (202), and the periphery of each iron chip body II (201) is provided with a plurality of positioning stepped holes (203);
two install a plurality of top location spikes (3) and a plurality of bottom location spike (4) respectively between top layer iron core piece (2) and a plurality of main iron core piece (1).
2. The armature core structure of a direct current motor according to claim 1, wherein: the main iron chip (1) and the surface iron chip (2) are identical in overall structure and size.
3. The armature core structure of a direct current motor according to claim 1, wherein: a plurality of when main iron core piece (1) assemble neatly pile up, and two top layer iron core pieces (2) laminate respectively in the both ends of a plurality of main iron core pieces (1).
4. The armature core structure of a direct current motor according to claim 1, wherein: the center axes of the first center through hole (102) and the second center through hole (202), the positioning hole (103) and the positioning stepped hole (203) are all collinear.
5. The armature core structure of a direct current motor according to claim 1, wherein: and the top positioning long nails (3) and the bottom positioning long nails (4) are respectively inserted into the centers of the positioning holes (103) through the tops and the bottoms of the two surface iron core sheets (2).
6. The armature core structure of a direct current motor according to claim 5, wherein: and the top positioning long nails (3), the bottom positioning long nails (4) and the positioning holes (103) are in interference fit.
7. The armature core structure of a direct current motor according to claim 5, wherein: the top positioning long nails (3) and the bottom positioning long nails (4) are distributed in a crossed position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122844555.2U CN216121955U (en) | 2021-11-19 | 2021-11-19 | Armature core structure of direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122844555.2U CN216121955U (en) | 2021-11-19 | 2021-11-19 | Armature core structure of direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121955U true CN216121955U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122844555.2U Active CN216121955U (en) | 2021-11-19 | 2021-11-19 | Armature core structure of direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121955U (en) |
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2021
- 2021-11-19 CN CN202122844555.2U patent/CN216121955U/en active Active
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