CN2426243Y - Rotator and shaft assembly structure for permanent magnet motor - Google Patents
Rotator and shaft assembly structure for permanent magnet motor Download PDFInfo
- Publication number
- CN2426243Y CN2426243Y CN 00209629 CN00209629U CN2426243Y CN 2426243 Y CN2426243 Y CN 2426243Y CN 00209629 CN00209629 CN 00209629 CN 00209629 U CN00209629 U CN 00209629U CN 2426243 Y CN2426243 Y CN 2426243Y
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- China
- Prior art keywords
- axle
- rotor body
- permanent magnet
- group
- magnet motor
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model comprises a rotor body which is provided with a shaft hole and a rotor main body, wherein, the rotor main body is distributed with an axial magnet groove and embedded with a permanent magnet, and both ends of the rotor main body are provided with openings; a shaft section which is penetrated and assembled with the shaft hole is provided with a spindle provided with an assembly section and a dent section, wherein, the magnet groove corresponding to the dent section is formed with an open groove; two positioning covers provided with shaft holes are arranged on the assembly sections on both ends of the spindle and correspondingly combined with the end surface of the rotor body; inlay parts are arranged on the end surfaces of the positioning covers at corresponding combining positions. The utility model provides an easy and reliable assembly structure which can block a magnetism leakage circuit between the permanent magnets and the spindle to make the magnetic force of a main pole concentrated and enhanced; the positioning covers and the rotor main body are inlaid to make the positioning covers provide the torque force output effect of the spindle.
Description
The utility model relates to the group-setting structure of a kind of permanent magnet motor rotor body and axle.
In general the rotor body of permanent magnet motor is to lay to be embedded with permanent magnet, its two adjacent permanent magnets are able to magnetic flux and synthesize and the formation main pole, cooperate the stator energization excitation to produce magnetic field effect and make rotor rotation, for making permanent magnet unlikely embedded location that flies off when rotor high-speed rotates, existing structure is to use two cappings that are planar end surface to seal two ends of rotor body, this capping only provides permanent magnet must be in the magnet groove unlikely effect of deviating from, the axle of this structure must become with the rotor body axis hole with aperture joint group to establish, promptly form the leakage field magnetic flux between permanent magnet that this joint group is established and axle and then weaken main pole magnetic force, diminish motor operation efficient, this capping simultaneously there is no the rotary torsion effect of transmitting rotor body; Existing structure is (as the United States Patent (USP) the 5th of Fig. 9 in addition, 939, No. 810) be that a plurality of axial open-works are set on rotor body 10, and this capping 40,50 that is planar end surface also has opposed open-work, penetrating combination by gim peg 20 makes capping must give with rotor body to combine, because of capping is to combine with rotor body, the rotary torsion of its rotor body also is transmitted to axle 30 outputs in the lump for capping, when only its group is established the gim peg element need be arranged, and many groups are established operation, therefore, known group-setting structure has multicomponent, multiple operation and shortcoming such as expensive.
The purpose of this utility model is to provide the group-setting structure of a kind of permanent magnet motor rotor body and axle, it has fitting portion to permanent magnet in the location of the chimeric location of rotor body lid, make the location lid except that the location that permanent magnet is provided, also establish simultaneously and must can transmit torsion and export with the chimeric rotation of rotor body by axle in group, but the simplified structure element, raising produces efficient and motor operation efficient.
The purpose of this utility model is realized by following technical scheme.According to a kind of permanent magnet motor rotor body that the utility model proposes and the group-setting structure of axle, it is made of rotor body, axle and two location lid institutes, and this rotor body is to have to wear for axle to hold axis hole that group establishes and the magnet groove that is embedded with permanent magnet; It is characterized in that: two location lids have the axis hole knot and are located at axle two sides, and the end face of this location lid is provided with fitting portion, the corresponding chimeric rotor body end face of fitting portion.
The purpose of this utility model can also further realize by following technical measures.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, wherein said axle and rotor body axis hole are worn and are held the shaft part established of group and have concave section, and the magnet groove of the corresponding position of concave section is formed with open slot.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, wherein said axle and rotor body axis hole are worn and are held the shaft part that group is established, and one is distolateral to extend by holding the ring section of face, in addition the distolateral packing adapter section that then extended.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, the packing adapter section of wherein said axle is a thread segment.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, the fitting portion of wherein said location lid end face is formed with the projection that just can embed in the magnet groove.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, the fitting portion of wherein said location lid end face forms just and the chimeric groove in permanent magnet protruding end.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, wherein said location are placed on the axis hole place and are connected with another larger axis hole.
The group-setting structure of aforesaid permanent magnet motor rotor body and axle, wherein said location lid is connected with the axial region of less external diameter.
The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the group-setting structure of the utility model permanent magnet motor rotor body and axle,
It comprises having axis hole and being laid with two ends and is the rotor body of the axial magnetic metal trough of opening with chimeric permanent magnet, and and this axis hole wear hold that group is established and Yu Zushe between the axle of shaft part with the group section of establishing and concave section constitute, wherein, can to two location that permanent magnet two ends form positioning action cover end face have can with the fitting portion of the chimeric rotation of rotor body, by a packing element rotor body and two is located and to be placed on the axle group and to establish intersegmental formation packing group and establish; Again, concave section provides the magnetic resistance space, and the magnet groove of its contraposition more offers open slot, and the leakage field path between permanent magnet and axle can effectively be blocked, and synthetic being concentrated of magnetic flux of main pole arranged and strengthens main pole magnetic force.
This novel mainly group between the rotor body of permanent magnet motor and axle is established, its rotor body two side end faces are chimerism respectively and cover with the location that the axle knot is established, this location lid is except that the location that permanent magnet is provided, also the rotary torsion that transmits rotor body is in the lump exported by axle, thus, shaft part between axle and rotor body group are established is provided with concave section, make permanent magnet form the magnetic resistance space in concave section, flux paths between permanent magnet capable of blocking and axle (being leakage path) and strengthen main pole magnetic force, and then improve motor operation efficient.This is novel to provide a kind of easy and certain group-setting structure, and the leakage field path between permanent magnet capable of blocking and axle makes main pole magnetic force be concentrated and strengthen, and location lid and rotor body chimeric makes the output effect that the location is covered also provides axle torsion.
Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the decomposition texture stereogram of the utility model embodiment.
Fig. 2 is the axial cutaway view of Fig. 1.
Fig. 3 is the axial cutaway view of the utility model rotor body.
Fig. 4 is the radial cross-section of the utility model one location lid.
Fig. 5 is the cutaway view of the A-A section of Fig. 2.
Fig. 6 is the cutaway view of the B-B section of Fig. 2.
Fig. 7 and Fig. 8 are the cutaway view of another embodiment of the utility model.
Fig. 9 is the existing structure schematic diagram.
The figure number brief description:
1 rotor body, 11 end faces, 12 magnet grooves
13 axis holes, 121 open slots, 2 permanent magnets
3 axles, 31 packing adapter sections are established shaft part for 32 groups
322 groups of sections of establishing of 321 concave sections, 33 ring sections
331 by holding face
4,41,51,44,54 fitting portions are covered in 5 location
43,53 axis holes, 42 big axis hole 52 axial regions
55 keyways, 6 packing elements, 7 keys
10 rotor bodies, 20 gim pegs, 30 axles
40,50 cappings
Below in conjunction with accompanying drawing and preferred embodiment, to according to the permanent magnet motor rotor body that the utility model proposes and the group-setting structure of axle, its concrete structure, feature and effect thereof, describe in detail as after.
See also illustrated in figures 1 and 2, the axis hole 13 of the utility model rotor body 1 is to establish 32 one-tenth tight groups of shaft part with the group of axle 3 to establish, wherein, rotor body 1 is for the moulding of silicon steel sheet stack and be laid with two ends and be the axial magnetic metal trough 12 of opening with chimeric permanent magnet 2, make two adjacent permanent magnets 2 constitute main pole magnetic field, cooperate the stator energization excitation to produce galvanomagnetic effect and make rotor rotation, magnet groove 12 of the present utility model is provided with local and axis hole 13 is the open slot 121 (seeing also Fig. 3 and Fig. 5) that UNICOM interrupts, interrupt setting by the UNICOM of open slot 121 and improve the magnetic resistance of open slot position, and then block the leakage field magnetic flux of this groove position.Axle 3 of the present utility model is established shaft part 32 with the group of rotor body axis hole 13 and is provided with concave section 321 and the group section of establishing 322,13 one-tenth of this group section of establishing 322 and axis holes are established with tight group of aperture, wherein, the one distolateral group section of establishing is to extend by holding the ring section 33 of face 331, and in addition distolateral group is established Duan Ze and has been extended packing adapter section 31, and this two distolateral group section of establishing 322 is also located by two and covered 4,5 and set firmly.
Two location are covered 4,5 and are had axis hole 43,53 one-tenth setting firmly with two distolateral groups of sections of establishing 322 with the diameter of axle, have the effect of permanent magnet 2 in the chimeric location of rotor body, as shown in Figure 1 and Figure 2, the location is covered 4 and is connected with larger axis hole 42 (seeing also Fig. 4) at axis hole 43 places, be provided with forming by holding the state of pulling that pushes up of hole wall between connection and this group section of establishing by holding face 331, big axis hole 42 just forms with ring section 33 and closely combines, and has the location and covers 4 in the optimum tight combo architectures of the axle group section of establishing; The location is covered 5 and is had keyway 55, forming the bonding group by key 7 in the axle group section of establishing establishes, this location lid 5 is connected with the axial region 52 of less external diameter simultaneously, combining of one packing element 6 and axle packing adapter section 31 can constitute packing to the end face of this axial region 52, and rotor body 1 and two location are covered 4,5 and are provided with the axle group section of establishing formation packing group and establish; As shown in Figure 2, be that the chimeric rotor body 1 that permanent magnet 2 arranged covers 4,5 axial cut-away views of establishing with 3 groups of axles in two location.Wherein, the axle group is established 121 one-tenth aaset bit of open slot of concave section 321 with the rotor body 1 of shaft part 32, please consult Fig. 5 simultaneously, 3 of the permanent magnet 2 of this aaset bit and axles promptly form the magnetic resistance space, the leakage field path of permanent magnet 2 capable of blocking and axle 3, make the main pole magnetic force of motor rotor be concentrated and strengthen, and then improve motor operation efficient.
Two location of the present utility model cover 4,5 end face is provided with fitting portion 41,51 and can with the end face of rotor body 1 become corresponding chimeric, Fig. 1 and Fig. 2 show that the location cover 4 fitting portion, 41 formation projections, the fitting portion 41 of this projection forms chimeric with the magnet groove of rotor body 1 12, and 5 fitting portion 51 formation grooves are covered in another location, make the fitting portion 51 of groove just chimeric to permanent magnet 2 protruding ends, in other words, when this illustrated permanent magnet 2 is embedded in the magnet groove 12 of rotor body 1, contracting in addition in the one end forms, end then forms protrusion, cooperate the location lid 4 of projection fitting portion and the location lid 5 of groove fitting portion to form packing interaction in rotor body 1 two ends, two location of the present utility model cover 4,5 not only provide permanent magnet 2 in the embedded positioning function of the magnet groove 12 of rotor body, also provide the chimeric rotation of rotor body 1 simultaneously and can transmit the effect of torsion, make the torsion output of axle 3 more stable by axle 3 outputs; Fig. 7 and Fig. 8 show another embodiment cross-sectional schematic of the utility model, and wherein the permanent magnet 2 of Fig. 7 contracts in two ends of magnet groove form, and two location covers 4,5 fitting portion, 41,54 formation projections and are embedded in the magnet groove; 2 of Fig. 8 permanent magnets form in two ends of magnet groove and protrude, and 4,5 44,51 of fitting portions covers in two location, and to form groove just chimeric to the protruding end of permanent magnet 2, and this embodiment also provides permanent magnet to locate and the same effect of chimeric rotation.
The utility model two location cover 4, the fitting portion of 5 end faces is to form packing interactions with existing magnet groove 12 or the permanent magnet 2 of rotor body 1, embedded structure is simplified and improve and produce efficient, this location lid is except that the location that permanent magnet is provided, also establish and to transmit the effect of torsion simultaneously with the chimeric rotation of rotor body by axle output in group, and the magnet groove of rotor body and the axle group shaft part between establishing with concave section and aaset bit is formed with the magnetic resistance space of open slot, leakage field path between permanent magnet and axle can effectively be blocked, synthetic being concentrated of magnetic flux of main pole arranged and strengthen main pole magnetic force, and then improving motor operation efficient, its structure kenel novelty and effect are remarkable.
Claims (8)
1. the group-setting structure of permanent magnet motor rotor body and axle, it is made of rotor body, axle and two location lid institutes, and this rotor body is to have to wear for axle to hold axis hole that group establishes and the magnet groove that is embedded with permanent magnet; It is characterized in that: two location lids have the axis hole knot and are located at axle two sides, and the end face of this location lid is provided with fitting portion, the corresponding chimeric rotor body end face of fitting portion.
2. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle is characterized in that: described axle and rotor body axis hole are worn and are held the shaft part established of group and have concave section, and the magnet groove of the corresponding position of concave section is formed with open slot.
3. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle, it is characterized in that: described axle and rotor body axis hole are worn and are held the shaft part that group is established, one is distolateral to extend by holding the ring section of face, in addition the distolateral packing adapter section that then extended.
4. the group-setting structure of permanent magnet motor rotor body according to claim 3 and axle is characterized in that: the packing adapter section of described axle is a thread segment.
5. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle is characterized in that: the fitting portion of described location lid end face is formed with the projection that just can embed in the magnet groove.
6. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle is characterized in that: the fitting portion of described location lid end face forms just and the chimeric groove in permanent magnet protruding end.
7. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle is characterized in that: described location is placed on the axis hole place and is connected with another larger axis hole.
8. the group-setting structure of permanent magnet motor rotor body according to claim 1 and axle is characterized in that described location lid is connected with the axial region of less external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209629 CN2426243Y (en) | 2000-04-26 | 2000-04-26 | Rotator and shaft assembly structure for permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00209629 CN2426243Y (en) | 2000-04-26 | 2000-04-26 | Rotator and shaft assembly structure for permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2426243Y true CN2426243Y (en) | 2001-04-04 |
Family
ID=33576702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00209629 Expired - Lifetime CN2426243Y (en) | 2000-04-26 | 2000-04-26 | Rotator and shaft assembly structure for permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2426243Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019294B (en) * | 2004-06-07 | 2010-06-16 | 惠而浦股份有限公司 | A process for mounting magnets in an electric motor rotor and electric motor rotor |
-
2000
- 2000-04-26 CN CN 00209629 patent/CN2426243Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101019294B (en) * | 2004-06-07 | 2010-06-16 | 惠而浦股份有限公司 | A process for mounting magnets in an electric motor rotor and electric motor rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010404 |