CN210927230U - Silicon steel sheet of motorcycle magnetor - Google Patents
Silicon steel sheet of motorcycle magnetor Download PDFInfo
- Publication number
- CN210927230U CN210927230U CN201922427149.9U CN201922427149U CN210927230U CN 210927230 U CN210927230 U CN 210927230U CN 201922427149 U CN201922427149 U CN 201922427149U CN 210927230 U CN210927230 U CN 210927230U
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- silicon steel
- steel sheet
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Abstract
The utility model relates to a motorcycle magneto silicon steel sheet, this silicon steel sheet are circularly, including disk and T shape arm, put at disk central point and set up shaft hole, its characterized in that: grooves are arranged at trisection or quarteection positions on the circumference of the inner wall of the shaft hole, and convex ridges are arranged at the middle positions among the grooves; vent holes are annularly formed in the outer side of the shaft hole, a plurality of T-shaped arms are arranged on the periphery of the wafer at equal intervals, and each T-shaped arm comprises a first arm strip and a second arm strip; the first arm strip is vertically connected with one side of the second arm strip; a punching groove is formed in a first arm strip on one part of the T-shaped arm, and the length of the first arm is smaller than the distance from the straight line edge to the arc edge of the vent hole; the utility model discloses improve ingeniously, be favorable to the installation, the ventilation hole that has the setting is favorable to the heat dissipation with unique T shape arm, and the punching press groove of setting is favorable to the coincidence of adjacent silicon steel sheet, is difficult to the dislocation, and recess and bead are favorable to on the motor shaft of installation simultaneously.
Description
Technical Field
The utility model relates to a motorcycle magneto silicon steel sheet.
Background
Traditional silicon steel sheet is folding and pressing into the rotor after to make the rotor during operation under high temperature, low frequency and high-power condition, its radiating effect is poor, and in addition, the design surface of silicon steel sheet is equal, leads to overlapping inconvenient of a plurality of silicon steel sheets, the phenomenon of dislocation appears easily in the installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art problem, the utility model provides a motorcycle magneto silicon steel sheet can improve more than not enough.
The utility model relates to a motorcycle magneto silicon steel sheet, which is round and comprises a round piece and a T-shaped arm, wherein the central position of the round piece is provided with a shaft hole, and the inner wall of the shaft hole is provided with an insulating coating layer; the diameter of the shaft hole is 26-27.5% of the diameter of the silicon steel sheet, the thickness of the round sheet is 0.3-0.35 mm, grooves are arranged at trisection or quarteection positions on the circumference of the inner wall of the shaft hole, and convex edges are arranged at the middle positions among the grooves; vent holes are annularly formed in the outer side of the shaft hole, and the number of the vent holes is 6-8; a secondary vent hole is arranged between the adjacent vent holes, and the vent holes are circular or oval; the vent hole comprises a straight line edge, an arc-shaped edge and a slash edge connecting the straight line edge and the arc-shaped edge; a plurality of T-shaped arms are arranged on the periphery of the wafer at equal intervals, heat dissipation spaces are formed between every two adjacent T-shaped arms, and each T-shaped arm comprises a first arm strip and a second arm strip; the first arm strip is vertically connected with one side of the second arm strip; a punching groove is formed in a first arm strip on one part of the T-shaped arm, and the length of the first arm strip is smaller than the distance from the straight line edge to the arc edge of the vent hole; wherein the width of the first arm strip gradually narrows from the outside to the inside; the punching groove is sunken on the surface of the silicon steel sheet, the other side of the punching groove protrudes outwards, and the depth of the sunken part is 0.01-0.02 mm.
Furthermore, the convex edge is square, semicircular, triangular or semi-elliptical.
Furthermore, the two ends of the second arm strip are arranged in a gradual change mode or in an equal thickness mode.
Further, the surface of the silicon steel sheet is coated with an aluminum phosphate metal binding agent, and is provided with an aluminum layer which is treated as an aluminum oxide protective layer.
Furthermore, one side of the silicon steel sheet is smooth, the other side of the silicon steel sheet is a burr surface, and a plurality of boron sand grains are dotted on the surface of the aluminum oxide, so that a certain air gap is formed to form a burr structure.
Furthermore, the edge surface of the silicon steel sheet is provided with a marked oblique line.
Furthermore, the marked oblique lines are colored lines, the colored lines are colored paint marks, and a certain pattern can be formed after the silicon steel sheets are combined to play a marking role.
Furthermore, the vent hole is located at the middle position of the oblique line edge of the adjacent vent hole.
The utility model discloses improve ingeniously, be favorable to the installation, the ventilation hole that has the setting is favorable to the heat dissipation with unique T shape arm, and the punching press groove of setting is favorable to the coincidence of adjacent silicon steel sheet, is difficult to the dislocation, and recess and bead are favorable to on the motor shaft of installation simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a labeled view of the other part in fig. 1.
Fig. 3 is a schematic cross-sectional view of the first arm.
The figure is as follows: 1 shaft hole, 2 vent holes, 21 linear edges, 22 circular arc edges, 23 linear edges, secondary vent holes, 3 stamping grooves, 4T-shaped arms, 41 first arm strips, 42 second arm strips, 5 grooves and 6 convex ribs.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-3, the utility model relates to a motorcycle magneto silicon steel sheet, which is round and comprises a round piece and a T-shaped arm 4, wherein a shaft hole 1 is arranged at the central position of the round piece, and an insulating coating layer is arranged on the inner wall of the shaft hole 1; the diameter of the shaft hole 1 is 26-27.5% of the diameter of the silicon steel sheet, the thickness of the wafer is 0.3-0.35 mm, and the thickness is in a standard range; grooves 5 are arranged at trisection or quarteection positions on the circumference of the inner wall of the shaft hole 1, and convex ribs 6 are arranged at the middle positions among the grooves; the ventilation holes 2 are annularly arranged on the outer side of the shaft hole 1, and the number of the ventilation holes 2 is 6-8; a secondary vent hole 24 is arranged between the adjacent vent holes 2, and the vent holes 2 are circular or oval; the vent hole 2 comprises a straight line edge 23, an arc edge and a diagonal edge connecting the straight line edge 23 and the arc edge; a plurality of T-shaped arms 4 are arranged on the periphery of the wafer at equal intervals, a heat dissipation space is formed between every two adjacent T-shaped arms 4, and each T-shaped arm 4 comprises a first arm strip 41 and a second arm strip 42; the first arm strip 41 is vertically connected with one side of the second arm strip 42; a punching groove 3 is arranged on a first arm strip 41 on one part of the T-shaped arm 4, and the length of the first arm strip is smaller than the distance from the straight line edge 23 to the arc-shaped edge of the vent hole 2; wherein the width of the first arm strip gradually narrows from the outside to the inside; the punching groove 3 is sunken on the surface of the silicon steel sheet, the other side of the punching groove is convex, and the depth of the sunken part is 0.01-0.02 mm.
The rib 6 is square, semicircular, triangular or semi-elliptical.
The two ends of the second arm strip 42 are gradually or uniformly arranged.
The surface of the silicon steel sheet is coated with an aluminum phosphate metal bonding agent, and is provided with an aluminum layer which is treated as an aluminum oxide protective layer.
One side of the silicon steel sheet is smooth, the other side of the silicon steel sheet is a burr surface, and a plurality of boron sand grains are dotted on the surface of the aluminum oxide, so that a certain air gap is formed to form a burr structure.
And marking oblique lines are arranged on the edge surfaces of the silicon steel sheets. During processing, a plurality of silicon steel sheets are overlapped together, and then a specific oblique line is drawn, so that the silicon steel sheet is mainly convenient for a merchant to use.
The marked oblique lines are colored lines, the colored lines are colored paint marks, and a certain pattern, such as a triangle, can be formed after the silicon steel sheets are combined to play a marking role.
The vent holes 2 are positioned in the middle of the oblique line sides of the adjacent vent holes 2.
After the silicon steel sheets are superposed, the convex superposition of the silicon steel sheet stamping groove of one layer and the concave position of the adjacent silicon steel sheet stamping groove are superposed; the structure is stable, dislocation can not be caused, and the installation is facilitated.
Claims (8)
1. The utility model provides a motorcycle magneto silicon steel sheet, this silicon steel sheet is circular, includes disk and T shape arm, puts at disk central point and sets up shaft hole, its characterized in that: the diameter of the shaft hole is 26-27.5% of the diameter of the silicon steel sheet, the thickness of the round sheet is 0.3-0.35 mm, grooves are arranged at trisection or quarteection positions on the circumference of the inner wall of the shaft hole, and convex edges are arranged at the middle positions among the grooves; vent holes are annularly formed in the outer side of the shaft hole, and the number of the vent holes is 6-8; a secondary vent hole is arranged between the adjacent vent holes, and the vent holes are circular or oval; the vent hole comprises a straight line edge, an arc-shaped edge and a slash edge connecting the straight line edge and the arc-shaped edge; a plurality of T-shaped arms are arranged on the periphery of the wafer at equal intervals, and each T-shaped arm comprises a first arm strip and a second arm strip; the first arm strip is vertically connected with one side of the second arm strip; a punching groove is formed in a first arm strip on one part of the T-shaped arm, and the length of the first arm strip is smaller than the distance from the straight line edge to the arc edge of the vent hole; wherein the width of the first arm strip gradually narrows from the outside to the inside; the punching groove is sunken on the surface of the silicon steel sheet, the other side of the punching groove protrudes outwards, and the depth of the sunken part is 0.01-0.02 mm.
2. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: the convex edge is square, semicircular, triangular or semi-elliptical.
3. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: and the two ends of the second arm strip are arranged in a gradual change mode or in an equal thickness mode.
4. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: and an aluminum oxide protective layer is arranged on the surface of the silicon steel sheet.
5. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: one side of the silicon steel sheet is smooth, and the other side of the silicon steel sheet is a burr surface.
6. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: and marking oblique lines are arranged on the edge surfaces of the silicon steel sheets.
7. The silicon steel sheet for a motorcycle magneto as claimed in claim 6, wherein: the marked oblique lines are colored lines.
8. The silicon steel sheet for a motorcycle magneto as claimed in claim 1, wherein: the vent hole is located adjacent vent hole slash limit intermediate position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427149.9U CN210927230U (en) | 2019-12-28 | 2019-12-28 | Silicon steel sheet of motorcycle magnetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427149.9U CN210927230U (en) | 2019-12-28 | 2019-12-28 | Silicon steel sheet of motorcycle magnetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210927230U true CN210927230U (en) | 2020-07-03 |
Family
ID=71348976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922427149.9U Active CN210927230U (en) | 2019-12-28 | 2019-12-28 | Silicon steel sheet of motorcycle magnetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210927230U (en) |
-
2019
- 2019-12-28 CN CN201922427149.9U patent/CN210927230U/en active Active
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