CN207853587U - A kind of rotor and sewing machine of electrical motor of sewing machine - Google Patents
A kind of rotor and sewing machine of electrical motor of sewing machine Download PDFInfo
- Publication number
- CN207853587U CN207853587U CN201820249425.XU CN201820249425U CN207853587U CN 207853587 U CN207853587 U CN 207853587U CN 201820249425 U CN201820249425 U CN 201820249425U CN 207853587 U CN207853587 U CN 207853587U
- Authority
- CN
- China
- Prior art keywords
- sewing machine
- ring segment
- rotor
- electrical motor
- magnetic shoe
- 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
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model creation discloses a kind of rotor and sewing machine of electrical motor of sewing machine, the rotor includes shaft and the annular core that is set in shaft, magnetic shoe is distributed in the peripheral surface of the annular core, the ring segment that the annular core is equipped with multi-disc same profile shape is formed by stacking, the ring segment of the multi-disc is equipped with the positioning through hole being mutually aligned, and positioning through hole can assist being positioned, and is convenient for the overlapping of ring segment, good, the convenient for assembly advantage with polarization.
Description
【Technical field】
The present invention relates to rotor, especially a kind of electrical motor of sewing machine rotor further relates to sewing machine.
【Background technology】
For some rotors, iron core is formed by stacking by silicon steel sheet, due to the limitation of rotor shapes, the overlapping rotor iron
The alignment of the silicon steel sheet of core is bad, and assembling is poor.
【Invention content】
To solve the above problems, the present invention provides a kind of electrical motor of sewing machine rotor, have alignment good, it is convenient for assembly
Advantage, the present invention also provides the sewing machines for including above-mentioned rotor.
The present invention is achieved through the following technical solutions：
A kind of rotor for electrical motor of sewing machine, the ring that the rotor 1 includes shaft 11 and is set in shaft 11
Magnetic shoe 13 is distributed in the peripheral surface of shape iron core 12, the annular core 12, and it is identical that the annular core (12) is equipped with multi-disc
The ring segment 121 of contour shape is formed by stacking, and the ring segment (121) of the multi-disc is equipped with the positioning through hole being mutually aligned
1210。
The outside of the ring segment 121 is equipped with multiple boss 1211, and energy is equipped between adjacent two boss 1211
The groove 1212 of magnetic shoe 13 is accommodated, the side of the boss 1211 is equipped with the card slot 1213 that can be inserted into for magnetic shoe 13.
The shape of the ring segment 121 of the multi-disc is identical, and an end face of ring segment 121 is equipped with protrusion 1214, institute
Another end face for stating ring segment 121 is equipped with and the concave portion 1215 that is equipped at 1214 opposite position of the protrusion, institute
It states multi-disc ring segment 121 to be superimposed on together, the protrusion 1214 of the ring segment 121 of adjacent two panels is embedded into addition a piece of recessed
Enter in portion 1215.
The second ring segment 122 is superimposed on the end face of the annular core 12, second ring segment 122 is equipped with
Receiving hole 1221, the protrusion 1214 on the end face of the annular core 12 are in the receiving hole 1221.
13 thick middle of magnetic shoe, both sides are thin, are designed on the both sides featheredge of the magnetic shoe 13 for being inserted into card slot
1213 installation rib 131.
The magnetic shoe 13 is more than circumferential direction of the magnetic shoe 13 along shaft 11 along the length of the axis direction of shaft 11
Width.
Ring segment 121 does not include that the radial width of boss 1211 is less than that section of shaft that shaft 11 coordinates with annular core 12
11 radius.
The quantity of the groove 1212 is 8 to 12, and the quantity of the magnetic shoe 13 is 8 to 12.
The protrusion 1214 be and connecting bridge 1216, the connecting bridge made of ring segment (121) integrated punching
It is set between 1216 and ring segment (121) there are two opposite opening 1217, the back of the connecting bridge 1216 forms described
Concave portion 1215.
A kind of includes the sewing machine of the rotor for electrical motor of sewing machine, including workbench 2, is provided on the workbench 2
Sewing machine main body 3, the sewing machine main body are equipped with suture needle 31, and the sewing machine further includes being provided to the sewing machine main body 3
The electrical motor of sewing machine 4 of power, the electrical motor of sewing machine include electric machine casing 41, be equipped in the electric machine casing rotor and
Stator.
Compared with the existing technology, advantages of the present invention is：
1, the rotor includes shaft and the annular core that is set in shaft, the peripheral surface of the annular core
Magnetic shoe is distributed with, the ring segment that the annular core is equipped with multi-disc same profile shape is formed by stacking, multi-disc annular
On piece is equipped with the positioning through hole being mutually aligned.Positioning through hole can assist being positioned, and be convenient for the overlapping of ring segment, have positioning
Good, the convenient for assembly advantage of property.
2, the shape of the ring segment of the multi-disc is identical, and an end face of ring segment is equipped with protrusion, the ring segment
Another end face be equipped with and be superimposed on one with the concave portion that is equipped at the protrusion opposite position, the multi-disc ring segment
It rises, the protrusion of one of ring segment of adjacent two panels is embedded into addition a piece of concave portion, the annular core
The second ring segment is superimposed on end face, the second ring segment is equipped with receiving hole, the protrusion on the end face of the annular core
In the receiving hole, above-mentioned preferred design can reinforce the assembly between ring segment, avoid the occurrence of loose.
3, the protrusion be with connecting bridge made of ring segment integrated punching, between the connecting bridge and ring segment
Two opposite openings are formed, the back of the connecting bridge forms the concave portion, since the ring segment generally manufactures
For thin slice, lug boss makes the structure of connecting bridge, is connect with ring segment since the connecting bridge only has both ends, thus connecting bridge
Height can be drawn high as far as possible in the case where material allows, to ensure that lug boss and concave portion have enough engagement heights
It makes it combine closely, so that being tightly combined between ring segment.In addition, the structure of connecting bridge is but also lug boss is being punched
It is not easy to wash out fracture and semi-finished product is caused to scrap in the process.
【Description of the drawings】
Fig. 1 is the structural schematic diagram of sewing machine
Fig. 2 is the stereoscopic schematic diagram of the embodiment of the present invention；
Fig. 3 is the exploded perspective view of an angle of the embodiment of the present invention；
Fig. 4 is the exploded perspective view of another angle of the embodiment of the present invention；
Fig. 5 is the enlarged diagram at the A of Fig. 3.
【Specific implementation mode】
1 to 5 the invention will be further described below in conjunction with the accompanying drawings：
A kind of rotor for electrical motor of sewing machine, the annular that the rotor 1 includes shaft 11 and is set in shaft
Magnetic shoe 13 is distributed in the peripheral surface of iron core 12, the annular core 12, and the annular core 12 is equipped with multi-disc same profile
The ring segment 121 of shape is formed by stacking, and the ring segment 121 of the multi-disc is equipped with the positioning through hole 1210 being mutually aligned.It is fixed
Position through-hole 1211 can assist being positioned, and be convenient for the overlapping of ring segment, with good, the convenient for assembly advantage of polarization.
For the ease of assembling magnetic shoe 13, the outside of the ring segment 121 is equipped with multiple boss 1211, adjacent two
The groove 1212 of magnetic shoe 13 can be accommodated by being equipped between boss 1211, and the side of the boss 1211 is equipped with and can be inserted for magnetic shoe 13
The card slot 1213 entered.
In order to reinforce the bonding strength between ring segment, avoid loose, the shape of the ring segment 121 of the multi-disc is identical,
One end face of ring segment 121 is equipped with protrusion 1214, another end face of the ring segment 121 is equipped with and the protrusion
The concave portion 1215 being equipped at 1214 opposite position of portion, the multi-disc ring segment 121 are superimposed on together, the annular of adjacent two panels
The protrusion 1214 of one of piece 121 is embedded into addition a piece of concave portion 1215.
In order to further strengthen the bonding strength between ring segment, avoid loosely, folding on the end face of the annular core 12
Conjunction has the second ring segment 122, and the second ring segment 122 is equipped with receiving hole 1221, convex on the end face of the annular core 12
Go out portion 1214 to be in the receiving hole 1221.
It is further preferred that magnetic shoe 13 is assembled on iron core by personnel easy to operation, 13 thick middle of magnetic shoe, both sides
It is thin, the installation rib 131 for being inserted into card slot 1213 is designed on the both sides featheredge of the magnetic shoe 13.
It is further preferred that the magnetic shoe 13 is more than magnetic shoe 13 along shaft along the length of the axis direction of shaft
The width of circumferential direction, in this way design can be under identical material contexts so that magnetic shoe volume most has optimization, so that magnetic shoe
Magnetic field intensity maximize.
It is further preferred that in order to make rotor smooth rotation, ring segment 121 not include the diameter of boss 1211
It is less than the radius for that section of shaft 11 that shaft 11 coordinates with annular core 12 to width.
It is further preferred that design more rationalizes, the quantity of the groove 1212 is 8 to 12, the magnetic shoe
13 quantity is 8 to 12.
It is further preferred that the protrusion 1214 is and connecting bridge 1216, institute made of 121 integrated punching of ring segment
Two opposite openings 1217, the back shape of the connecting bridge 1216 are formed between the connecting bridge 1216 stated and ring segment 121
At the concave portion 1215, since the ring segment is generally fabricated as thin slice, lug boss makes the structure of connecting bridge, by institute
It states connecting bridge and only has both ends and connect with ring segment, thus the height of connecting bridge can be drawn as far as possible in the case where material allows
Height, to ensure that lug boss and concave portion have enough engagement heights to make it combine closely, so that the knot between ring segment
It closes close.In addition, the structure of connecting bridge is but also lug boss is not easy to wash out fracture and semi-finished product is caused to scrap in blanking process.
A kind of includes the sewing machine of the rotor for electrical motor of sewing machine, including workbench 2, is provided on the workbench 2
Sewing machine main body 3, the sewing machine main body are equipped with suture needle 31, and the sewing machine further includes being provided to the sewing machine main body 3
The electrical motor of sewing machine 4 of power, the electrical motor of sewing machine include electric machine casing 41, be equipped in the electric machine casing rotor and
Stator.
Claims (10)
1. a kind of rotor for electrical motor of sewing machine, it is characterised in that：The rotor (1) includes shaft (11) and is set in
Magnetic shoe (13), the annular is distributed in the peripheral surface of annular core (12) in shaft (11), the annular core (12)
The ring segment (121) that iron core (12) is equipped with multi-disc same profile shape is formed by stacking, and is set on the ring segment (121) of the multi-disc
There is the positioning through hole (1210) being mutually aligned.
2. a kind of rotor for electrical motor of sewing machine according to claim 1, it is characterised in that：The ring segment
(121) outside is equipped with multiple boss (1211), and magnetic shoe (13) can be accommodated by being equipped between adjacent two boss (1211)
Groove (1212), the side of the boss (1211) are equipped with the card slot (1213) that can be inserted into for magnetic shoe (13).
3. a kind of rotor for electrical motor of sewing machine according to claim 1, it is characterised in that：The ring segment of the multi-disc
(121) shape is identical, and an end face of ring segment (121) is equipped with protrusion (1214), the ring segment (121) it is another
A end face is equipped with and the concave portion (1215) that is equipped at the protrusion (1214) opposite position, the multi-disc ring segment
(121) it is superimposed on together, the protrusion (1214) of the ring segment (121) of adjacent two panels is embedded into addition a piece of concave portion
(1215) in.
4. a kind of rotor for electrical motor of sewing machine according to claim 3, it is characterised in that：The annular core (12)
End face on be superimposed with the second ring segment (122), second ring segment (122) is equipped with receiving hole (1221), described
Protrusion (1214) on the end face of annular core (12) is in the receiving hole (1221).
5. a kind of rotor for electrical motor of sewing machine according to claim 2, it is characterised in that：In the magnetic shoe (13)
Between it is thick, both sides are thin, the installation rib (131) for being inserted into card slot (1213) is designed on the both sides featheredge of the magnetic shoe (13).
6. a kind of rotor for electrical motor of sewing machine according to claim 1, it is characterised in that：Described magnetic shoe (13) edge
The width that the length of the axis direction of shaft (11) is more than magnetic shoe (13) along the circumferential direction of shaft (11).
7. a kind of rotor for electrical motor of sewing machine according to claim 1, it is characterised in that：Ring segment (121) does not wrap
The radial width for including boss (1211) is less than the radius of shaft (11) and that section of shaft (11) of annular core (12) cooperation.
8. a kind of rotor for electrical motor of sewing machine according to claim 2, it is characterised in that：The groove (1212)
Quantity be 8 to 12, the quantity of the magnetic shoe (13) is 8 to 12.
9. a kind of rotor for electrical motor of sewing machine according to claim 3, it is characterised in that：The protrusion
(1214) it is and connecting bridge (1216), the connecting bridge (1216) and ring segment made of ring segment (121) integrated punching
(121) it is set between there are two opposite opening (1217), the back of the connecting bridge (1216) forms the concave portion
(1215)。
10. a kind of sewing machine including the rotor for electrical motor of sewing machine described in any claim in claim 1 to 9,
It is characterized in that：Including workbench (2), it is provided with sewing machine main body (3) on the workbench (2), on the sewing machine main body
Equipped with suture needle (31), the sewing machine further includes the electrical motor of sewing machine (4) that power is provided to the sewing machine main body (3), described
Electrical motor of sewing machine includes electric machine casing (41), and the rotor and stator are equipped in the electric machine casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249425.XU CN207853587U (en) | 2018-02-10 | 2018-02-10 | A kind of rotor and sewing machine of electrical motor of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820249425.XU CN207853587U (en) | 2018-02-10 | 2018-02-10 | A kind of rotor and sewing machine of electrical motor of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207853587U true CN207853587U (en) | 2018-09-11 |
Family
ID=63409553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820249425.XU Expired - Fee Related CN207853587U (en) | 2018-02-10 | 2018-02-10 | A kind of rotor and sewing machine of electrical motor of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207853587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199514A (en) * | 2018-02-10 | 2018-06-22 | 中山市科艺电机有限公司 | The rotor and sewing machine of a kind of electrical motor of sewing machine |
-
2018
- 2018-02-10 CN CN201820249425.XU patent/CN207853587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199514A (en) * | 2018-02-10 | 2018-06-22 | 中山市科艺电机有限公司 | The rotor and sewing machine of a kind of electrical motor of sewing machine |
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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: 20180911 Termination date: 20200210 |