CN209419338U - A kind of permanent magnet rotor component and motor - Google Patents
A kind of permanent magnet rotor component and motor Download PDFInfo
- Publication number
- CN209419338U CN209419338U CN201920363295.7U CN201920363295U CN209419338U CN 209419338 U CN209419338 U CN 209419338U CN 201920363295 U CN201920363295 U CN 201920363295U CN 209419338 U CN209419338 U CN 209419338U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnetic inductive
- several
- plastic
- magnet rotor
- 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.)
- Active
Links
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of permanent magnet rotor component and motors, the permanent magnet rotor component includes several permanent magnets, rotor core component, shaft and plastic-sealed body, rotor core component includes mounting bracket and several magnetic inductive blocks, the mounting bracket includes annular endplate and from the axial raised several fixture blocks in one end face of annular endplate, several fixture blocks are spaced apart around annular endplate, card slot is provided on magnetic inductive block, several magnetic inductive blocks are coupled by fixture block and card slot and form centre bore, radial groove is formed between adjacent two magnetic inductive block, permanent magnet is nested in inside radial groove, shaft passes through centre bore, plastic-sealed body is by shaft, several permanent magnets, mounting bracket and several magnetic inductive block plastic packagings are integral.It fixes several magnetic inductive blocks and permanent magnet using mounting bracket, and whole structural strength is good, is unlikely to deform, and is molded high-quality, high production efficiency, and waste product is very low.
Description
Technical field:
The utility model relates to a kind of permanent magnet rotor component and motors.
Background technique:
As shown in Figure 1, traditional permanent magnet rotor component includes: including permanent magnet 1a and rotor core 2a, rotor core 2a
Including several pieces of magnetic inductive block 23a for being provided with the annular ring 22a of central shaft hole 21a and being protruded on the outside of annular ring 22a, adjacent
Radial groove 24a is formed between two magnetic inductive block 23a, permanent magnet 1a is embedded in radial groove 24a.There is following lack in this structure
Point: 1) shaft is mounted on central shaft hole 21a, shaft and annular ring 22a rigid connection, and damping effect is poor；2) rotor core 2a is straight
Diameter is big, and consumptive material is more, and weight is big, leads to high expensive.
In view of this, in order to solve existing technical problem, the rotor core part of present permanent magnet rotor component is direct
Annular ring 22a is omitted, it is by direct injection molding manner that magnetic inductive block 23a, permanent magnet 1a and the direct plastic packaging of shaft is integral.It can be with
Cost is greatly reduced and obtains certain damping effect.But magnetic inductive block 23a structure is because of independent reason, with permanent magnet (magnetic shoe)
After cooperation, although can also form, this molding less stable is easy to loosen, and is not easy to be put into the note that next step is carried out in mold
Modeling influences the quality of injection molding, and high rejection rate, production efficiency is low, is unfavorable for being mass produced.
Utility model content:
The purpose of the utility model is to provide a kind of permanent magnet rotor component and motors, solve p-m rotor in the prior art
The magnetic inductive block of component is insecure in conjunction with permanent magnet to lead to be molded that of poor quality and production efficiency is low, and the higher technology of rejection rate is asked
Topic.
The purpose of this utility model is achieved by following technical proposals:
A kind of permanent magnet rotor component, including several permanent magnets, rotor core component, shaft and plastic-sealed body, it is characterised in that:
Rotor core component includes mounting bracket and several magnetic inductive blocks, and the mounting bracket includes annular endplate and from annular endplate
The axial raised several fixture blocks in one end face, several fixture blocks are spaced apart around annular endplate, and card slot is provided on magnetic inductive block, several
Magnetic inductive block passes through the centre bore for being coupled and being formed of fixture block and card slot, forms radial groove between adjacent two magnetic inductive block,
Permanent magnet is nested in inside radial groove, and shaft passes through centre bore, if plastic-sealed body by shaft, several permanent magnets, mounting bracket and
Dry magnetic inductive block plastic packaging is integral.
Above-mentioned fixture block is V-arrangement fixture block, and notch is arranged among V-arrangement fixture block.
Above-mentioned mounting bracket is a plastic part.
Above-mentioned fixture block is flat bulk, and the section of card slot is flat rectangle.
The two sides magnetic inductive block in the outer openings portion of above-mentioned radial groove protrudes above the first stop hook, in the inside of radial groove
The two sides magnetic inductive block of opening portion protrudes above the second stop hook, and permanent magnet is installed between the first stop hook and the second stop hook.
Above-mentioned annular endplate is also axially projecting annular convex platform, and annular convex platform and fixture block are located at the two of annular endplate
Side, magnet ring are sleeved on the outside of annular convex platform, plastic-sealed body by mounting bracket, magnet ring plastic packaging together.
Plastic-sealed body described above includes upper head plate, bottom plate and center connecting column, and upper head plate, bottom plate, which are located at, to be turned
The both ends of sub- core assembly, center connecting column are connected between shaft and magnetic inductive block, permanent magnet, and center connecting column both ends connect respectively
Connect end plate, bottom plate.
Above-mentioned plastic-sealed body further includes peripheral dowel, and the both ends of peripheral dowel are separately connected upper head plate, bottom plate, outside
It encloses dowel and blocks opening portion on the outside.
The lateral surface of above-mentioned magnetic inductive block exposes plastic-sealed body, and annular endplate is bonded with the end face of magnetic inductive block.
A kind of motor, including stator module, permanent magnet rotor component and motor housing, it is characterised in that: permanent magnet rotor component
It is permanent magnet rotor component described above.
The utility model compared with prior art, has the effect that
1) the rotor core component of the utility model includes mounting bracket and several magnetic inductive blocks, the mounting bracket packet
It includes annular endplate and from the axial raised several fixture blocks in one end face of annular endplate, several fixture blocks is spaced apart around annular endplate, leads
Card slot is provided on magnetic patch, several magnetic inductive blocks are coupled and are formed centre bore by fixture block and card slot, lead adjacent two
Form radial groove between magnetic patch, permanent magnet is nested in inside radial groove, and shaft passes through centre bore, if plastic-sealed body by shaft,
Dry permanent magnet, mounting bracket and several magnetic inductive block plastic packagings are integral.Several magnetic inductive blocks and permanent magnetism are fixed using mounting bracket
Body, whole structural strength is good, is unlikely to deform, and is conveniently put into mold and is molded, and is molded high-quality, high production efficiency, gives up
Product are very low.
2) further advantage of the utility model is in the partially unfolded detailed description of embodiment.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of permanent magnet rotor component in the prior art；
Fig. 2 is the perspective view of the permanent magnet rotor component of the utility model embodiment one；
Fig. 3 is the exploded view of the permanent magnet rotor component of the utility model embodiment one；
Fig. 4 is the main view of the permanent magnet rotor component of the utility model embodiment one；
Fig. 5 is the A-A cross-sectional view of Fig. 4；
Fig. 6 is the B-B cross-sectional view of Fig. 4；
Fig. 7 is that the utility model embodiment one omits the exploded view after plastic-sealed body；
Fig. 8 is that the utility model embodiment one omits perspective view after plastic-sealed body and shaft；
Fig. 9 is that the utility model embodiment one omits the top view after plastic-sealed body and shaft.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment one:
Embodiment one: as shown in Fig. 2 to Fig. 9, the utility model is a kind of permanent magnet rotor component, including several permanent magnets 1,
Rotor core component 2, shaft 3 and plastic-sealed body 4, rotor core component 2 includes mounting bracket 21 and several magnetic inductive blocks 22, described
Mounting bracket 21 include annular endplate 210 and from the axial raised several fixture blocks 211 in 210 1 end face of annular endplate, several cards
Block 211 is spaced apart around annular endplate 210, and card slot 221 is provided on magnetic inductive block 22, several magnetic inductive blocks 22 pass through fixture block 211
It is coupled and is formed centre bore 24 with card slot 221, forms radial groove 23, permanent magnet 1 between adjacent two magnetic inductive block 22
It is nested in the inside of radial groove 23, shaft 3 passes through centre bore 24, and plastic-sealed body 4 is by shaft 3, several permanent magnets 1, mounting bracket 21
It is integral with several 22 plastic packagings of magnetic inductive block.Several magnetic inductive blocks 22 and permanent magnet 1, whole knot are fixed using mounting bracket 21
Structure intensity is good, is unlikely to deform, and is conveniently put into mold and is molded, and is molded high-quality, high production efficiency, and waste product is very low.
Above-mentioned fixture block 211 is V-arrangement fixture block, and notch 2110 is arranged among V-arrangement fixture block, and mounting bracket 21 is a plastic part,
Notch 2110 is easily deformed fixture block 211 to squeeze into card slot 221, and fixed magnetic inductive block 22, is not easy to loosen, fixture block 211 is flat very well
Bulk, the section of card slot 221 is flat rectangle, and structure is simple, easily manufactured, is easy installation.
The two sides magnetic inductive block 22 in the outer openings portion 25 of above-mentioned radial groove 23 protrudes above the first stop hook 26, radial recessed
The two sides magnetic inductive block 22 in the inside opening portion 27 of slot 23 protrudes above the second stop hook 28, and permanent magnet 1 is installed in the first stop hook 26 and
Between two stop hooks 28,1 fixation of permanent magnet is reliable, facilitates and is molded.
Above-mentioned annular endplate 210 is also axially projecting annular convex platform 212, and annular convex platform 212 is located at fixture block 211
The two sides of annular endplate 210, magnet ring 5 are sleeved on the outside of annular convex platform 212, and plastic-sealed body 4 is by mounting bracket 21,5 plastic packaging of magnet ring
Together.Structure is simple, and globality is strong, easy for installation, is convenient for integral molded plastic.
Plastic-sealed body 4 described above includes upper head plate 41, bottom plate 42 and center connecting column 43, upper head plate 41, bottom plate
42 are located at the both ends of rotor core component 2, and center connecting column 43 is connected between shaft 3 and magnetic inductive block 22, permanent magnet 1,
Connecting column 43 both ends in center are separately connected upper head plate 41 and bottom plate 42.Shaft 3 and magnetic conduction are connected to using center connecting column 43
Between block 22, permanent magnet 1, good damping effect, and manufacturing cost is low, while can substantially reduce 2 radial ruler of rotor core component
It is very little, manufacturing cost is greatly reduced.
Above-mentioned plastic-sealed body 4 further includes peripheral dowel 44, the both ends of peripheral dowel 44 be separately connected upper head plate 41, under
End plate 42, peripheral dowel 44 block opening portion 25 on the outside, and structural strength is more preferable, more preferable to the fixed effect of permanent magnet 1.
The lateral surface 220 of above-mentioned magnetic inductive block 22 exposes plastic-sealed body 4, and annular endplate 210 is bonded with the end face of magnetic inductive block 22, pacifies
Dress is easy.
Embodiment two:
Provided in this embodiment is a kind of motor, including stator module, permanent magnet rotor component and motor housing, feature exist
In: permanent magnet rotor component is permanent magnet rotor component described in embodiment one.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of permanent magnet rotor component, including several permanent magnets (1), rotor core component (2), shaft (3) and plastic-sealed body (4),
It is characterized by: rotor core component (2) includes mounting bracket (21) and several magnetic inductive blocks (22), the mounting bracket
It (21) include annular endplate (210) and from the axial raised several fixture blocks (211) in (210) one end face of annular endplate, several fixture blocks
(211) it is spaced apart around annular endplate (210), card slot (221) is provided on magnetic inductive block (22), several magnetic inductive blocks (22) pass through
Fixture block (211) and card slot (221) being coupled and being formed centre bore (24), is formed between adjacent two magnetic inductive block (22) radial
Groove (23), permanent magnet (1) are nested in inside radial groove (23), and shaft (3) passes through centre bore (24), and plastic-sealed body (4) will turn
Axis (3), several permanent magnets (1), mounting bracket (21) and several magnetic inductive block (22) plastic packagings are integral.
2. a kind of permanent magnet rotor component according to claim 1, it is characterised in that: fixture block (211) is V-arrangement fixture block, V-arrangement card
Notch (2110) are set among block.
3. a kind of permanent magnet rotor component according to claim 2, it is characterised in that: mounting bracket (21) is a plastics
Part.
4. a kind of permanent magnet rotor component according to claim 3, it is characterised in that: fixture block (211) is flat bulk, card
The section of slot (221) is flat rectangle.
5. a kind of permanent magnet rotor component according to claim 1 or 2 or 3 or 4, it is characterised in that: radial groove (23)
The two sides magnetic inductive block (22) in outer openings portion (25) protrudes above the first stop hook (26), in the inside opening portion of radial groove (23)
(27) two sides magnetic inductive block (22) protrudes above the second stop hook (28), and permanent magnet (1) is installed in the first stop hook (26) and the second stop hook
(28) between.
6. a kind of permanent magnet rotor component according to claim 5, it is characterised in that: annular endplate (210) is also axially projecting
Have annular convex platform (212), annular convex platform (212) is located at the two sides of annular endplate (210), magnet ring (5) set with fixture block (211)
Mounted in the outside of annular convex platform (212), plastic-sealed body (4) by mounting bracket (21), magnet ring (5) plastic packaging together.
7. a kind of permanent magnet rotor component according to claim 6, it is characterised in that: the plastic-sealed body (4) includes upper end
Plate (41), bottom plate (42) and center connecting column (43), upper head plate (41), bottom plate (42) are located at rotor core component
(2) both ends, center connecting column (43) are connected between shaft and magnetic inductive block (22), permanent magnet (1), center connecting column (43) two
End is separately connected upper head plate (41), bottom plate (42).
8. a kind of permanent magnet rotor component according to claim 7, it is characterised in that: plastic-sealed body (4) further includes peripheral connection
Muscle (44), the both ends of peripheral dowel (44) are separately connected upper head plate (41), bottom plate (42), and peripheral dowel (44) blocks
Outer openings portion (25).
9. a kind of permanent magnet rotor component according to claim 8, it is characterised in that: the lateral surface (220) of magnetic inductive block (22)
Expose plastic-sealed body (4), annular endplate (210) is bonded with the end face of magnetic inductive block (22).
10. a kind of motor, including stator module, permanent magnet rotor component and motor housing, it is characterised in that: permanent magnet rotor component is
Permanent magnet rotor component described in claim 1 to 9 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363295.7U CN209419338U (en) | 2019-03-21 | 2019-03-21 | A kind of permanent magnet rotor component and motor |
| PCT/CN2019/105354 WO2020186706A1 (en) | 2019-03-21 | 2019-09-11 | Permanent magnet rotor assembly and electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363295.7U CN209419338U (en) | 2019-03-21 | 2019-03-21 | A kind of permanent magnet rotor component and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209419338U true CN209419338U (en) | 2019-09-20 |
Family
ID=67945449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920363295.7U Active CN209419338U (en) | 2019-03-21 | 2019-03-21 | A kind of permanent magnet rotor component and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209419338U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768647A (en) * | 2019-03-21 | 2019-05-17 | 中山大洋电机股份有限公司 | A kind of permanent magnet rotor component and motor |
| CN113489198A (en) * | 2021-08-03 | 2021-10-08 | 珠海格力电器股份有限公司 | Motor rotor, motor and air conditioner |
-
2019
- 2019-03-21 CN CN201920363295.7U patent/CN209419338U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768647A (en) * | 2019-03-21 | 2019-05-17 | 中山大洋电机股份有限公司 | A kind of permanent magnet rotor component and motor |
| CN113489198A (en) * | 2021-08-03 | 2021-10-08 | 珠海格力电器股份有限公司 | Motor rotor, motor and air conditioner |
| CN113489198B (en) * | 2021-08-03 | 2022-07-26 | 珠海格力电器股份有限公司 | Motor rotor, motor and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109768647A (en) | A kind of permanent magnet rotor component and motor | |
| CN103227519B (en) | Motor stator and there is the external rotor electric machine of this motor stator | |
| CN209419338U (en) | A kind of permanent magnet rotor component and motor | |
| CN210041470U (en) | Embedded type injection molding rotor assembly and motor using same | |
| CN104836357B (en) | Stator winding end Insulating frame, plastic packaging stator assembly and plastic packaging motor | |
| CN104753217B (en) | A kind of assembled damping rotor structure of motor | |
| CN201230310Y (en) | Novel mobile phone vibration device | |
| CN208226708U (en) | Rotor assembly and motor | |
| CN209692451U (en) | A kind of damping rotor assembly and its motor of application | |
| CN111431371A (en) | Flat vibration motor and manufacturing method thereof | |
| CN203278409U (en) | Motor stator and external rotor motor having the motor stator | |
| CN105207387B (en) | Plastic packaging coil pipe motor | |
| CN108711980A (en) | A kind of sectional type iron core IPM plastic packaging forming rotors | |
| CN206100386U (en) | Movable coil loudspeaker and package assembly and earphone that move indisputable loudspeaker | |
| CN203278429U (en) | External rotor of direct-drive (DD) motor | |
| KR101668660B1 (en) | Rotor for Motor | |
| CN202840737U (en) | Motor rotor assembly | |
| CN110138136A (en) | Sound wave motor and its electric toothbrush | |
| CN209692449U (en) | A kind of rotor assembly and its motor of application | |
| CN203423556U (en) | Automobile trunk-used miniature motor end cover | |
| CN210693596U (en) | Rotor ferromagnetic punching sheet, rotor assembly and liquid cooling pump | |
| CN209435084U (en) | A kind of DC Brushless Motor | |
| CN208707411U (en) | Rotor and motor with it | |
| CN112636508A (en) | Motor rotor structure | |
| CN209313547U (en) | A kind of oblique pole injection molding rotor and the motor using it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |