CN201601541U - Motor rotor and motor - Google Patents
Motor rotor and motor Download PDFInfo
- Publication number
- CN201601541U CN201601541U CN2009202644898U CN200920264489U CN201601541U CN 201601541 U CN201601541 U CN 201601541U CN 2009202644898 U CN2009202644898 U CN 2009202644898U CN 200920264489 U CN200920264489 U CN 200920264489U CN 201601541 U CN201601541 U CN 201601541U
- Authority
- CN
- China
- Prior art keywords
- magnet ring
- armature spindle
- rotor
- area
- moulding
- 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
- 238000000465 moulding Methods 0.000 claims abstract description 26
- 230000005389 magnetism Effects 0.000 abstract 2
- 241000555745 Sciuridae Species 0.000 abstract 1
- 239000004819 Drying adhesive Substances 0.000 description 12
- 229910000859 α-Fe Inorganic materials 0.000 description 7
- 230000006698 induction Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides an electric motor rotor and motor, this electric motor rotor have the rotor shaft, and the cover is equipped with squirrel cage rotor and magnetic ring on the rotor shaft, and the magnetic ring suit is on the first region of rotor shaft, and wherein, this magnetic ring is for moulding the magnetism magnetic ring, and moulds magnetism magnetic ring and rotor shaft interference fit. The utility model discloses a magnetic ring toughness is moulded to electric motor rotor is better, difficult breakage to mould the magnetic ring and can firmly fix on the rotor shaft, difficult not hard up reduces electric motor rotor's quality hidden danger.
Description
Technical field
The utility model relates to a kind of tape pulse generator that has the rotor of magnet ring and use this rotor (Pulse Generator) and exchanges single-phase asynchronous motor (hereinafter to be referred as the PG motor).
Background technology
The PG motor generally is made up of motor stator and rotor, and motor stator is provided with installing hole mostly, and rotor is releasably attached in the installing hole, and behind the PG electrical power, the PG motor stator produces the magnetic field of rotation, thus the rotation of pushing motor rotor.Magnet ring is housed on the rotor, and magnet ring is the permanent magnet with N south, north magnetic pole, drives magnet ring during the rotor rotation and rotates together, and the induction Hall IC produces rectangular pulse, and number of pulses is directly proportional with rotating speed, and the structure chart of existing a kind of PG rotor as shown in Figure 1.
On armature spindle 11, also be set with two bearings 17,18, be used for rotor is bearing in motor stator and motor cover.
But, because ferrite bead 16 characteristics that existing PG rotor uses are more crisp, there are frangible, easy cracking, shortcoming such as damaged, and what adopt between magnet ring 16 and the armature spindle 11 is matched in clearance, and use the instant drying adhesive connection that is adhesively fixed, easily because of operator's holiday instant drying adhesive or be coated with instant drying adhesive less and cause magnet ring 16 to be bonded in securely on the armature spindle 11, magnet ring 16 is rotated relative to armature spindle 11 during batch process, cause rotor to have bigger hidden danger of quality.
And, in PG motor transportation,, cause magnet ring 16 to break easily because vibrations or collision often take place the PG motor, also influence the operate as normal of motor.Simultaneously, during owing to manufacturing PG rotor, the operator needs manually be stained with instant drying adhesive to each magnet ring 16, and manipulation strength is big, and inefficiency also is unfavorable for the batch process of PG rotor.
Summary of the invention
Main purpose of the present utility model provides a kind of magnet ring can fixedly secure rotor on armature spindle;
Another purpose of the present utility model provides the non-damageable rotor of a kind of magnet ring;
A purpose more of the present utility model provides a kind of stay-in-grade motor.
For realizing above-mentioned main purpose, the rotor that the utility model provides has armature spindle, is set with cage rotor and magnet ring on the armature spindle, and magnet ring is sleeved on the first area of armature spindle, wherein, and interference fit between this magnet ring and the armature spindle.
Because interference fit between magnet ring and the armature spindle, magnet ring after the compacting is fixedlyed connected with armature spindle after being sleeved on armature spindle, do not need by instant drying adhesive bonding, effectively avoid causing magnet ring to be connected the generation of insecure situation, the hidden danger of quality of reduction motor with armature spindle because of leaking sticking or sticking less instant drying adhesive.Simultaneously, when making rotor, do not need to use instant drying adhesive bonding magnet ring, operator's labour intensity is little, high efficiency.
A preferred scheme is, magnet ring is for moulding the magnetic magnet ring, and the perisporium of the first area of armature spindle is provided with the rib to outer lug.
Because moulding the magnetic magnet ring is formed by plastics and the compacting of bonded ferrite magnetic powder process high temperature, make magnet ring both have the characteristics of plastics good toughness, magnet ring is difficult for broken, has the magnetic property identical with ferrite bead again, its magnetic pole induction Hall IC produces rectangular pulse, and number of pulses is directly proportional with rotating speed.And because the perisporium of the first area of armature spindle is provided with the rib to outer lug, magnet ring is to be compressed on the armature spindle, to realize moulding the interference fit between magnetic magnet ring inwall and the armature spindle.
Further scheme is, the rib on the armature spindle first area extends axially along armature spindle, and the quantity of rib is more than three or three, and the week that many ribs are evenly distributed in armature spindle upwards.Like this, the rib contact area is bigger on magnet ring and the armature spindle, and the magnet ring inwall is stressed evenly, helps magnet ring and is fixed on the armature spindle.
Further scheme is again, is set with bearing and back-up ring on the armature spindle, bearing and an end adjacency of moulding the magnetic magnet ring, back-up ring and the other end adjacency of moulding the magnetic magnet ring.Like this, mould the magnetic magnet ring and be clamped between back-up ring and the bearing, promptly mould the magnetic magnet ring and on armature spindle, locate, and mould the magnetic magnet ring, make and mould the magnetic magnet ring and be sleeved on the armature spindle more securely by bearing and back-up ring clamping by back-up ring and bearing.
For realizing an above-mentioned purpose again, the motor that the utility model provides has motor stator, motor stator has an installing hole, rotor is releasably attached in the installing hole, rotor has armature spindle, is set with cage rotor and magnet ring on the armature spindle, and magnet ring is sleeved on the first area of armature spindle, wherein, interference fit between this magnet ring and the armature spindle.
By such scheme as seen, mould the magnetic magnet ring and be compressed on the first area of armature spindle, and be connected with armature spindle, avoid to coat the step of instant drying adhesive, thereby prevent because of holiday or be coated with the quality problems that instant drying adhesive causes less by interference fit.
Description of drawings
Fig. 1 is the structure chart of existing PG rotor;
Fig. 2 is the part-structure schematic diagram of the utility model motor embodiment;
Fig. 3 is the structure chart of the utility model rotor embodiment rotor axle.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 2, omitted the PG electric motor end cap of spring bearing 42 among Fig. 2 and produced the Hall IC of pulse with the magnet ring induction, PG motor according to present embodiment has motor stator 20 and rotor 30, motor stator 20 has stator core 21, and being provided with an installing hole 22, rotor 30 is releasably attached in the installing hole 22.Rotor 30 has a roots rotor axle 31, is set with cage rotor 41 on armature spindle 31, moulds magnetic magnet ring 45, bearing 42,43 and back-up ring 44,48, and the structure of armature spindle 31 as shown in Figure 3.
Be provided with eight ribs 34 to outer lug on 32 perisporiums of first area, each extends with the axis direction of rib 34 along armature spindle 31, and the identical length of each rib 34 etc.Preferably, in the present embodiment, eight ribs 34 arrange evenly that along circumferential distance between promptly adjacent two ribs 34 equates on the perisporium of first area 32.
In the same manner, also be provided with eight ribs 35 on the perisporium of second area 33, and each also is circumferential extension along armature spindle 31 with rib 35, the equal in length of each rib 35 to outer lug.Preferably, eight ribs 35 also are circumferentially to be arranged in equably on the perisporium of second area 35 along armature spindle 31.
Review Fig. 2, mould magnetic magnet ring 45 and be sleeved on the first area 32 of armature spindle 31.In the present embodiment, moulding magnetic magnet ring 45 is formed by plastics and the compacting of bonded ferrite magnetic powder process high temperature, mould magnetic magnet ring 45 and both had the advantage of plastics, it is good toughness, be difficult for broken, the advantage that has ferrite bead again, its magnetic pole can be responded to Hall IC and produce rectangular pulse, and number of pulses is directly proportional with motor speed.
Moulding magnetic magnet ring 45 covers installs on the first area 32 of armature spindle 31, mould rib 34 interference fit on magnetic magnet ring 45 inwalls and the first area 32, after moulding magnetic magnet ring 45 and being compressed on the first area 32 of armature spindle 31, moulding magnetic magnet ring 45 promptly is securely fixed on the armature spindle 31, do not need to use instant drying adhesive bonding, can avoid leaking sticking or sticking less instant drying adhesive because of the operator causes moulding magnetic magnet ring 45 and is connected unsettled phenomenon with armature spindle 31, the hidden danger of quality of reduction motor.
And, during owing to the manufacturing rotor, having saved the step of bonding instant drying adhesive, operator's labour intensity is little, and the manufacturing efficient of rotor is improved.
In the same manner, cage rotor 41 is sleeved on the second area 33 of armature spindle 31 and since second area 33 perisporiums on also be provided with eight ribs 35, cage rotor 41 also with rib 35 interference fit, cage rotor 41 also can be securely fixed on the armature spindle 31.
Review Fig. 3, between armature spindle 31 first areas 32 and second area 33, offer a circle groove 36, also offer a circle groove 37 on the right side of second area 33, as shown in Figure 2, back-up ring 44 and back-up ring 48 are respectively installed in groove 36 and the groove 37, bearing 42 is positioned at the right side of back-up ring 48, and by back-up ring 48 location.
Mould magnetic magnet ring 45 and be step-like, promptly mould magnetic magnet ring 45 and become the diameter design vertically, the end that its diameter is bigger is located at the side near cage rotor 41, and it moulds the right-hand member and back-up ring 44 adjacency of magnetic magnet ring 45.
Be fixed with bearing 43 in the left side of moulding magnetic magnet ring 45, mould the left end and bearing 43 adjacency of magnetic magnet ring 45.When making the PG rotor, bearing 43 is compressed on the armature spindle 31 with moulding magnetic magnet ring 45, and is connected to the two ends, the left and right sides of moulding magnetic magnet ring 45 respectively by bearing 43 and back-up ring 44, will mould magnetic magnet ring 45 relative armature spindle 31 axial location.
Owing to mould magnetic magnet ring 45 diameters than facet and bearing 43 direct adjacency, can save moulding between magnetic magnet ring 45 and the bearing 43 back-up ring is set, also be convenient to mould the location between magnetic magnet ring 45 and the bearing 43.
This shows, mould rib 34 interference fit on magnetic magnet ring 45 and armature spindle 31 first areas, can be securely fixed on the armature spindle 31, avoid moulding magnetic magnet ring 45 loosening phenomenon takes place.And, will mould magnetic magnet ring 45 by bearing 45 and back-up ring 44 clampings and be fixed on the first area, avoid moulding magnetic magnet ring 45 slide relative on armature spindle 31.
Certainly, the foregoing description only is the utility model preferred implementation, during practical application, also has more the variation, and for example, rib can be the circumferential extension along armature spindle, and promptly rib is the bulge loop of circle projection on the surface, first area; Perhaps, rib does not extend along the axis direction of armature spindle, but the extension etc. of spiraling on the surface, first area also can realize the purpose of this utility model.
It is emphasized that at last the utility model is not limited to above-mentioned execution mode, also should be included in the protection range of the utility model claim as the change of rib quantity on first area and the second area, the small variations such as change of moulding magnetic magnet ring shape.
Claims (10)
1. rotor comprises
Armature spindle is set with cage rotor and magnet ring on the described armature spindle, described magnet ring is sleeved on the first area of described armature spindle;
It is characterized in that:
Interference fit between described magnet ring and the described armature spindle.
2. rotor according to claim 1 is characterized in that:
Described magnet ring is for moulding the magnetic magnet ring;
The perisporium of described first area is provided with the rib (34) to outer lug.
3. rotor according to claim 2 is characterized in that:
Described rib (34) is more than three or three, and the week that described rib (34) is evenly distributed in armature spindle makes progress.
4. according to each described rotor of claim 1 to 3, it is characterized in that:
The described magnetic magnet ring of moulding becomes diameter vertically, and the described bigger end of magnetic magnet ring diameter of moulding is located at a side near described cage rotor.
5. according to each described electronics rotor of claim 1 to 3, it is characterized in that:
Be set with bearing and back-up ring on the described armature spindle;
Along described armature spindle axially, described bearing and a described end adjacency of moulding the magnetic magnet ring, described back-up ring and described other end adjacency of moulding the magnetic magnet ring.
6. according to each described rotor of claim 1 to 3, it is characterized in that:
Described cage rotor is sleeved on the second area of described armature spindle, and the perisporium of described second area is provided with many ribs to outer lug (35), interference fit between described cage rotor and the described second area.
7. motor comprises
Motor stator, described motor stator has an installing hole;
Rotor is installed in the described installing hole, and described rotor has armature spindle, is set with cage rotor and magnet ring on the described armature spindle, and described magnet ring is sleeved on the first area of armature spindle;
It is characterized in that:
Interference fit between described magnet ring and the described armature spindle.
8. motor according to claim 7 is characterized in that:
Described magnet ring is for moulding the magnetic magnet ring;
The perisporium of described first area is provided with the rib (34) to outer lug.
9. motor according to claim 8 is characterized in that:
Described rib (34) is more than three or three, and the week that described many ribs (34) are evenly distributed in armature spindle makes progress.
10. according to each described motor of claim 7 to 9, it is characterized in that:
Be set with bearing and back-up ring on the described armature spindle;
Along described armature spindle axially, described bearing and a described end adjacency of moulding the magnetic magnet ring, described back-up ring and described other end adjacency of moulding the magnetic magnet ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202644898U CN201601541U (en) | 2009-12-02 | 2009-12-02 | Motor rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202644898U CN201601541U (en) | 2009-12-02 | 2009-12-02 | Motor rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201601541U true CN201601541U (en) | 2010-10-06 |
Family
ID=42812601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202644898U Expired - Lifetime CN201601541U (en) | 2009-12-02 | 2009-12-02 | Motor rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201601541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300707A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnetic ring and motor |
| CN104300708A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnet and motor |
| CN104979968A (en) * | 2015-07-07 | 2015-10-14 | 广东威灵电机制造有限公司 | Motor magnetic ring, motor and washing machine |
-
2009
- 2009-12-02 CN CN2009202644898U patent/CN201601541U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300707A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnetic ring and motor |
| CN104300708A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnet and motor |
| CN104300708B (en) * | 2014-08-19 | 2018-09-11 | 广东威灵电机制造有限公司 | The mounting structure and motor of motor magnet |
| CN104979968A (en) * | 2015-07-07 | 2015-10-14 | 广东威灵电机制造有限公司 | Motor magnetic ring, motor and washing machine |
| CN104979968B (en) * | 2015-07-07 | 2018-05-29 | 广东威灵电机制造有限公司 | Motor magnet ring, motor and washing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101006 |