CN204089388U - Novel permanent magnetic Magnmet rotor - Google Patents
Novel permanent magnetic Magnmet rotor Download PDFInfo
- Publication number
- CN204089388U CN204089388U CN201420478145.8U CN201420478145U CN204089388U CN 204089388 U CN204089388 U CN 204089388U CN 201420478145 U CN201420478145 U CN 201420478145U CN 204089388 U CN204089388 U CN 204089388U
- Authority
- CN
- China
- Prior art keywords
- permanent magnetic
- bonding
- shirt rim
- magnetic core
- armature spindle
- 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 - Lifetime
Links
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 50
- 229910052742 iron Inorganic materials 0.000 abstract description 25
- 230000005540 biological transmission Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 230000036461 convulsion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of novel permanent magnetic Magnmet rotor, it comprises permanent magnetic core, armature spindle and mould-injection part, and described permanent magnetic core center is provided with the round rotor shaft through-hole for installing armature spindle; Described mould-injection part integrally extends to form the bonding shirt rim, upper surface covering permanent magnetic core upper surface in the upper surface of permanent magnetic core, and mould-injection part integrally extends to form the bonding shirt rim, lower surface covering permanent magnetic core lower surface in the lower surface of permanent magnetic core; Be provided with the upper bonding cover for bonding rotor axle upper end above bonding shirt rim, described upper surface, and below bonding shirt rim, described lower surface, be provided with the lower bonding cover for bonding rotor axle lower end.Permanent magnetic core of the present utility model arranges round rotor shaft through-hole, and mould-injection part increase bonding shirt rim, upper and lower end face and up and down on bonding overlap, it can keep permanent magnetic iron rotor turns to balance while raising permanent magnetic iron rotor torsion, eliminate transverse vibration, ensure the normal operation of permanent magnetic iron rotor.
Description
Technical field
The utility model relates to a kind of rotor, is specifically related to a kind of permanent magnetic iron rotor.
Background technology
The rotor that existing magneto micro-drainage pump uses is permanent magnetic iron rotor, see shown in Fig. 1 and 2, existing permanent magnetic iron rotor is made up of permanent magnetic core 1, armature spindle 2 and the mould-injection part 3 connected between permanent magnetic core 1 and armature spindle 2, described permanent magnetic core 1 is cylindrical, and its inside is provided with the armature spindle through hole for installing armature spindle.When existing permanent magnetic iron rotor manufactures, generally the armature spindle through hole of armature spindle 2 through permanent magnetic core 1, between permanent magnetic core 1 and armature spindle 2, form mould-injection part 3 by injection molding, thus realize bonding composition one rotor.For the torsion after raising injection moulding between permanent magnetic core 1 and armature spindle 2, traditional technique is oval armature spindle through hole 11` by the armature spindle via design of permanent magnetic core 1, but after oval armature spindle through hole 11` mould filling mould-injection part 3 is combined into one with armature spindle 2, jerk value during permanent magnetic iron rotor turns can be increased, jerk value can cause the transverse vibration of rotor, and making rotor be subject to unnecessary dynamic loading, this is unfavorable for that rotor runs well.Simultaneously owing to only relying on cohesive force during injection moulding to be combined between mould-injection part 3 with armature spindle 2, under rotating load most cases, easily depart from and generation rotation is skidded, cause rotor fails.
Utility model content
The purpose of this utility model is for the problems referred to above weak point, a kind of novel permanent magnetic iron rotor is provided, it can keep permanent magnetic iron rotor turns to balance while raising permanent magnetic iron rotor torsion, eliminates jerk value and transverse vibration, ensures the normal operation of permanent magnetic iron rotor.
In order to achieve the above object, the utility model is by the following technical solutions:
Novel permanent magnetic Magnmet rotor, the mould-injection part comprising permanent magnetic core, armature spindle and connect between permanent magnetic core and armature spindle, described permanent magnetic core center is provided with the round rotor shaft through-hole for installing armature spindle; Described mould-injection part integrally extends to form the bonding shirt rim, upper surface covering permanent magnetic core upper surface in the upper surface of permanent magnetic core, and mould-injection part integrally extends to form the bonding shirt rim, lower surface covering permanent magnetic core lower surface in the lower surface of permanent magnetic core; Be provided with the upper bonding cover for bonding rotor axle upper end above bonding shirt rim, described upper surface, and below bonding shirt rim, described lower surface, be provided with the lower bonding cover for bonding rotor axle lower end.
Particularly, the large 1 ~ 3mm of radius of the radius ratio armature spindle of described round rotor shaft through-hole.
Particularly, the thickness of bonding shirt rim, described upper surface is 1 ~ 3mm.
Particularly, the thickness of bonding shirt rim, described lower surface is 1 ~ 3mm.
Particularly, the height of described upper bonding cover is 5 ~ 20mm.
Concrete further, the height of described lower bonding cover is 5 ~ 20mm.
Occur rotating to prevent permanent magnetic core and mould-injection part and skid, uniform at least three the end face pits in upper surface of described permanent magnetic core, bonding shirt rim, described upper surface is provided with the shirt rim head face hump suitable with end face pit; And uniform at least three the end face pits in the lower surface of described permanent magnetic core, bonding shirt rim, described lower surface is provided with the shirt rim head face hump suitable with end face pit.
Occur rotating to prevent armature spindle and mould-injection part and skid, on described armature spindle on the position of bonding shirt rim, corresponding upper and lower end face circumference uniform at least three armature spindle pits; It is protruding that bonding shirt rim, described upper and lower end face is provided with the shirt rim armature spindle suitable with armature spindle pit.
Permanent magnetic core of the present utility model arranges round rotor shaft through-hole, and mould-injection part increase bonding shirt rim, upper and lower end face and up and down on bonding overlap, it can keep permanent magnetic iron rotor turns to balance while raising permanent magnetic iron rotor torsion, eliminate transverse vibration, ensure the normal operation of permanent magnetic iron rotor.
Accompanying drawing explanation
Fig. 1 is the vertical view of existing permanent magnetic iron rotor.
Fig. 2 is the A-A cutaway view of existing permanent magnetic iron rotor.
Fig. 3 is the vertical view of permanent magnetic core described in the utility model embodiment 1.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5 is the stereogram of permanent magnetic core described in the utility model embodiment 1.
Fig. 6 is permanent magnetic iron rotor cutaway view described in the utility model embodiment 1.
Fig. 7 is permanent magnetic iron rotor stereogram described in the utility model.
Fig. 8 is the vertical view of permanent magnetic core described in the utility model embodiment 2.
Fig. 9 is the C-C cutaway view of Fig. 8.
Figure 10 is permanent magnetic iron rotor cutaway view described in the utility model embodiment 2.
Below by way of the drawings and specific embodiments, the utility model is further described:
Embodiment
Embodiment 1
As shown in FIG. 3 to 7, novel permanent magnetic Magnmet rotor described in the utility model, the mould-injection part 3 comprising permanent magnetic core 1, armature spindle 2 and connect between permanent magnetic core 1 and armature spindle 2, described permanent magnetic core 1 center is provided with the round rotor shaft through-hole 11 for installing armature spindle 2, and the two ends up and down of described round rotor shaft through-hole 11 are respectively equipped with the guiding flare openings 111 for facilitating injecting glue; Described mould-injection part 3 integrally extends to form the bonding shirt rim, upper surface 31 covering permanent magnetic core 1 upper surface in the upper surface of permanent magnetic core 1, and mould-injection part 3 integrally extends to form the bonding shirt rim, lower surface 32 covering permanent magnetic core 1 lower surface in the lower surface of permanent magnetic core 1, described upper and lower end face bonding shirt rim (31,32) covers the upper and lower end face of permanent magnetic core 1 respectively completely.Be provided with the upper bonding cover 33 for bonding rotor axle 2 upper end above bonding shirt rim, described upper surface 31, and below bonding shirt rim, described lower surface 32, be provided with the lower bonding cover 34 for bonding rotor axle 2 lower end.The effect of described upper and lower end face bonding shirt rim (31,32) increases mould-injection part 3 and the contact area of permanent magnetic core 1, improves bond area and cohesive force, increase transmission torsion; And the effect of upper and lower bonding cover (33,34) be increase mould-injection part 3 and armature spindle 2 contact area, improve bond area and cohesive force, increase transmission torsion.
Particularly, the large 1 ~ 3mm of radius of the radius ratio armature spindle 2 of described round rotor shaft through-hole 11; The thickness D1 of bonding shirt rim, described upper surface is 1 ~ 3mm; The thickness D2 of bonding shirt rim, described lower surface is 1 ~ 3mm; The height H 1 of described upper bonding cover is 5 ~ 20mm; The height H 2 of described lower bonding cover is 5 ~ 20mm.The height of upper and lower bonding cover (33,34) can only be the part that parcel armature spindle 2 exposes permanent magnetic core 1, instead of parcel armature spindle 2 exposes the whole of permanent magnetic core 1.
When permanent magnetic iron rotor described in the utility model manufactures, according to the planform designing mould in advance of mould-injection part 3, during injection molding, permanent magnetic core 1 is put into mould, armature spindle 2 puts into permanent magnetic core 1 by round rotor shaft through-hole 11, then injection moulding is shape all-in-one-piece permanent magnetic iron rotor (see Fig. 6 and 7) after cooling.
Embodiment 2
As shown in Fig. 7 to 10, the present embodiment adds and prevents permanent magnetic core 1 and mould-injection part 3 from occurring rotating and skid and prevent armature spindle 2 and mould-injection part 3 from occurring rotating the structure of skidding on the basis of embodiment 1, thus increase transmission torsion further, concrete structure is as follows:
Skid to prevent permanent magnetic core 1 and mould-injection part 3 from occurring rotating, uniform at least three the end face pits 12 in upper surface of described permanent magnetic core 1, bonding shirt rim, described upper surface 31 is provided with the shirt rim head face hump 35 suitable with end face pit 12; And uniform at least three the end face pits 13 in the lower surface of described permanent magnetic core 1, bonding shirt rim, described lower surface 32 is provided with the shirt rim head face hump 35 suitable with end face pit 12.By end face pit 12 mating reaction with shirt rim head face hump 35, effectively prevent permanent magnetic core 1 and mould-injection part 3 from occurring rotating and skid, further increase transmission torsion.
Skid to prevent armature spindle 2 and mould-injection part 3 from occurring rotating, on described armature spindle 2 on the position of bonding shirt rim, corresponding upper and lower end face (31,32) circumferential uniform at least three armature spindle pits 21; Bonding shirt rim, described upper and lower end face (31,32) is provided with the shirt rim armature spindle projection 36 suitable with armature spindle pit 21.By armature spindle pit 21 mating reaction with shirt rim armature spindle projection 36, effectively prevent armature spindle 2 and mould-injection part 3 from occurring rotating and skid, further increase transmission torsion.
Other structures of the present embodiment as described in Example 1, are no longer gone to live in the household of one's in-laws on getting married at this and are said.
Permanent magnetic core of the present utility model arranges round rotor shaft through-hole, and mould-injection part increase bonding shirt rim, upper and lower end face and up and down on bonding overlap, realize the bond area of mould-injection part and permanent magnetic core and armature spindle, it can keep permanent magnetic iron rotor turns to balance while raising permanent magnetic iron rotor torsion, eliminate transverse vibration, ensure the normal operation of permanent magnetic iron rotor.Increase uniform end face pit and shirt rim head face hump structure and armature spindle pit and shirt rim armature spindle bulge-structure simultaneously, effectively prevent the rotation of mould-injection part and permanent magnetic core and armature spindle from skidding, increase transmission torsion further.
Claims (10)
1. novel permanent magnetic Magnmet rotor, the mould-injection part comprising permanent magnetic core, armature spindle and connect between permanent magnetic core and armature spindle, is characterized in that: described permanent magnetic core center is provided with the round rotor shaft through-hole for installing armature spindle; Described mould-injection part integrally extends to form the bonding shirt rim, upper surface covering permanent magnetic core upper surface in the upper surface of permanent magnetic core, and mould-injection part integrally extends to form the bonding shirt rim, lower surface covering permanent magnetic core lower surface in the lower surface of permanent magnetic core; Be provided with the upper bonding cover for bonding rotor axle upper end above bonding shirt rim, described upper surface, and below bonding shirt rim, described lower surface, be provided with the lower bonding cover for bonding rotor axle lower end.
2. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, the large 1 ~ 3mm of radius of the radius ratio armature spindle of described round rotor shaft through-hole.
3. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, the thickness of bonding shirt rim, described upper surface is 1 ~ 3mm.
4. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, the thickness of bonding shirt rim, described lower surface is 1 ~ 3mm.
5. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, the height of described upper bonding cover is 5 ~ 20mm.
6. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, the height of described lower bonding cover is 5 ~ 20mm.
7. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, uniform at least three the end face pits in upper surface of described permanent magnetic core, bonding shirt rim, described upper surface is provided with the shirt rim head face hump suitable with end face pit.
8. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, uniform at least three the end face pits in lower surface of described permanent magnetic core, bonding shirt rim, described lower surface is provided with the shirt rim head face hump suitable with end face pit.
9. novel permanent magnetic Magnmet rotor according to claim 1, is characterized in that, on described armature spindle on the position of bonding shirt rim, corresponding upper and lower end face circumference uniform at least three armature spindle pits.
10. novel permanent magnetic Magnmet rotor according to claim 9, is characterized in that, it is protruding that bonding shirt rim, described upper and lower end face is provided with the shirt rim armature spindle suitable with armature spindle pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478145.8U CN204089388U (en) | 2014-08-22 | 2014-08-22 | Novel permanent magnetic Magnmet rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478145.8U CN204089388U (en) | 2014-08-22 | 2014-08-22 | Novel permanent magnetic Magnmet rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089388U true CN204089388U (en) | 2015-01-07 |
Family
ID=52182057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478145.8U Expired - Lifetime CN204089388U (en) | 2014-08-22 | 2014-08-22 | Novel permanent magnetic Magnmet rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391054A (en) * | 2016-11-02 | 2019-02-26 | 日本电产株式会社 | Rotor assembly and motor with the rotor assembly |
-
2014
- 2014-08-22 CN CN201420478145.8U patent/CN204089388U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391054A (en) * | 2016-11-02 | 2019-02-26 | 日本电产株式会社 | Rotor assembly and motor with the rotor assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191014 Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: HANYU GROUP Co.,Ltd. Address before: Mian Duruan Town Village in Pengjiang District of Guangdong city in Jiangmen province 529050 Shun King Road 2 District No. 19 Patentee before: JIANGMEN CENTRAL MAGNET CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |
|
| CX01 | Expiry of patent term |