CN209692451U - A kind of damping rotor assembly and its motor of application - Google Patents
A kind of damping rotor assembly and its motor of application Download PDFInfo
- Publication number
- CN209692451U CN209692451U CN201920731881.2U CN201920731881U CN209692451U CN 209692451 U CN209692451 U CN 209692451U CN 201920731881 U CN201920731881 U CN 201920731881U CN 209692451 U CN209692451 U CN 209692451U
- Authority
- CN
- China
- Prior art keywords
- iron core
- rotor assembly
- several
- groove
- injection molding
- 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.)
- Withdrawn - After Issue
Links
- 238000013016 damping Methods 0.000 title claims abstract description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 230000001939 inductive effect Effects 0.000 claims abstract description 22
- 230000035939 shock Effects 0.000 claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims abstract description 12
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 7
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000000243 solution Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of damping rotor assembly and motors, the damping rotor assembly includes several permanent magnets, external iron core, inner iron core, injection molding body, shock absorbing ring and shaft, external iron core includes several magnetic inductive blocks, several magnetic inductive blocks are circumferentially laid out, several permanent magnets and several magnetic inductive blocks surround cyclic structure and to be injection molding body plastic packaging integral, injection molding body includes upper head plate, bottom plate, it is axially projecting on upper head plate and/or bottom plate to have annular convex platform, a groove is formed among annular convex platform, in the inner wall of groove, several first convex blocks are circumferentially set, inner iron core is mounted in shaft, inner iron core is embedded into inside groove, inner iron core lateral surface is circumferentially provided with several double wedges, shock absorbing ring is installed between inner iron core and the inner wall of groove, annular convex platform is located at the side of external iron core so that external iron core and inner iron core axially offset distribution.It is larger in shaft diameter size, and integral, with strong applicability, structure novel can be also molded when the interior circular diameter of external iron core is smaller.
Description
Technical field
The utility model relates to a kind of damping rotor assembly and its motors of application.
Background technique
The technical solution of existing rotor assembly is: rotor assembly includes shaft, outer rotor iron core, shock reducing structure, internal rotor
Iron core and permanent magnet, internal rotor iron core are mounted in shaft, and shock reducing structure is outer to turn between outer rotor iron core and internal rotor iron core
For sub- iron core sleeve outside interior rotor core, it is exactly the interior circular diameter and shaft of outer rotor iron core that this structure, which has the characteristics that common,
Between need gap is bigger could be embedded in internal rotor iron core, if gap is smaller, this structure just be cannot achieve.Such as name
Referred to as: application number: CN201720381324.3, a kind of vibration damping rotor of band enhancing connection structure openly (is announced) number:
The utility patent of CN206619976U.In some cases, when shaft is larger, and the interior circular diameter of outer rotor iron core is limited
When processed, this rotor assembly with shock-damping structure cannot be realized.
Summary of the invention
The utility model provides the motor of a kind of damping rotor assembly and its application, turns to solve damping in the prior art
Sub-component is limited the technical issues of leading to not manufacture by shaft diameter and outer rotor iron core size.
The technical solution of the utility model is achieved in that
A kind of damping rotor assembly, including several permanent magnets, external iron core, inner iron core, injection molding body, shock absorbing ring and shaft, institute
The external iron core stated includes several magnetic inductive blocks, and several magnetic inductive blocks are circumferentially laid out, and forms radial groove, permanent magnetism between adjacent two magnetic inductive block
Body is nested in inside radial groove, and several permanent magnets and several magnetic inductive blocks surround cyclic structure and to be injection molding body plastic packaging integral,
Axially extending bore is formed among injection molding body, it is characterised in that: the injection molding body include upper head plate, bottom plate and connection upper head plate with
The plastic packaging interconnecting piece of bottom plate, it is axially projecting on upper head plate and/or bottom plate to have annular convex platform, one is formed among annular convex platform
Several first convex blocks are circumferentially arranged in the inner wall of groove in a groove, and two neighboring first convex block forms first pit, interior iron
It feels at ease in shaft, inner iron core is embedded into inside groove, and inner iron core lateral surface is circumferentially provided with several double wedges, two neighboring convex
Second dimple is formed between tooth, shock absorbing ring is installed between inner iron core and the inner wall of groove, and annular convex platform is located at external iron core
Side axially offsets distribution so as to external iron core and inner iron core.
Above-mentioned shock absorbing ring is embedded into inside the first pit and second dimple.
First convex block described above is aligned or is staggered with double wedge.
Above-mentioned that annular groove is arranged in the superior endplate surface of annular convex platform periphery, reaction magnetic ring is embedded into annular groove.
Protrude annular groove in above-mentioned reaction magnetic ring part.
Reaction magnetic ring and permanent magnet described above and several magnetic inductive blocks, which surround, to be injection molding body and separates between cyclic structure.
The lateral surface of reaction magnetic ring described above is protruding with several positioning protrusion, and the positioning protrusion of part is embedded in injection molding body
It is interior.
The medial surface of reaction magnetic ring described above is protruding with several fixing lug boss, and fixing lug boss is corresponding with permanent magnet to be set
It sets, fixing lug boss is embedded in injection molding body.
Above-mentioned plastic packaging interconnecting piece includes the sleeve part positioned at axially extending bore periphery, and sleeve part both ends are separately connected upper head plate
And bottom plate.
Plastic packaging interconnecting piece described above further includes connecting column, and the magnetic inductive block sets axial through hole, the connecting column
It is filled in through hole, connecting column one end is connect with upper head plate, and the connecting column other end is connect with bottom plate.
A kind of motor, including stator module, rotor assembly and casing, it is characterised in that: the rotor assembly is above-mentioned institute
The damping rotor assembly stated.
The utility model compared with prior art, has the advantage that
1, the damping rotor assembly of the utility model includes several permanent magnets, external iron core, inner iron core, injection molding body, shock absorbing ring
And shaft, the external iron core include several magnetic inductive blocks, it is axially projecting on upper head plate and/or bottom plate to have annular convex platform, ring
A groove is formed among shape boss, several first convex blocks is circumferentially set in the inner wall of groove, two neighboring first convex block is formed
One the first pit, inner iron core are mounted in shaft, and inner iron core is embedded into inside groove, if inner iron core lateral surface is circumferentially provided with
Dry double wedge forms second dimple between two neighboring double wedge, shock absorbing ring is equipped between inner iron core and the inner wall of groove, annular
Boss is located at the side of external iron core so that external iron core and inner iron core axially offset distribution.In this way, even if shaft diameter size is larger,
And the interior circular diameter of external iron core it is smaller when, can also be molded integral, with strong applicability, structure novel.
2, further advantage is detailed in specific embodiment.
Detailed description of the invention
Fig. 1 is the perspective view of an angle of one damping rotor assembly of the utility model embodiment；
Fig. 2 is the perspective view of another angle of one damping rotor assembly of the utility model embodiment；
Fig. 3 is the exploded view of one damping rotor assembly of the utility model embodiment；
Fig. 4 is that one damping rotor assembly of the utility model embodiment omits the exploded view after shaft；
Fig. 5 is that one damping rotor assembly of the utility model embodiment omits the exploded view after shaft, interior iron core and shock absorbing ring；
Fig. 6 is the top view of one damping rotor assembly of the utility model embodiment；
Fig. 7 is the A-A cross-sectional view of Fig. 6；
Fig. 8 is the C-C cross-sectional view of Fig. 7；
Fig. 9 is the B-B cross-sectional view of Fig. 7.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Embodiment one:
As shown in Figures 1 to 9, provided in this embodiment is a kind of damping rotor assembly, including several permanent magnets 1, outer iron
The heart 2, inner iron core 3, injection molding body 4, shock absorbing ring 5 and shaft 6, the external iron core 2 include several magnetic inductive blocks 20, several magnetic inductive blocks 20
It is circumferential to be laid out, radial groove 21 is formed between adjacent two magnetic inductive block 20, permanent magnet 1 is nested in 21 the inside of radial groove, Ruo Ganyong
Magnet 1 and several magnetic inductive blocks 20 surround cyclic structure and to be injection molding 4 plastic packaging of body integral, are formed among injection molding body 4 axial logical
Hole 41, it is characterised in that: the injection molding body 4 includes upper head plate 42, bottom plate 43 and the modeling for connecting upper head plate 42 and bottom plate 43
Interconnecting piece is sealed, it is axially projecting on upper head plate 42 and/or bottom plate 43 to have annular convex platform 44, one is formed among annular convex platform 44
Several first convex blocks 442 are circumferentially arranged in the inner wall of groove 441 in groove 441, and two neighboring first convex block 442 forms one the
One pit 443, inner iron core 3 are mounted in shaft 6, and inner iron core 3 is embedded into 441 the inside of groove, and 3 lateral surface of inner iron core is circumferentially arranged
There are several double wedges 31, forms second dimple 32 between two neighboring double wedge 31, pacify between inner iron core 3 and the inner wall of groove 441
Equipped with shock absorbing ring 5, annular convex platform 44 is located at the side of external iron core 2 so that external iron core 2 and inner iron core 3 axially offset distribution.In this way,
Even if shaft diameter size is larger, and when the interior circular diameter of external iron core is smaller, it can also be molded integral, with strong applicability, structure
It is novel.
Shock absorbing ring 5 described above is embedded into the first pit 443 and the second recessed 32 the inside, is conducive to power transmitting and reaches
More preferable damping effect, structure are more compact.
First convex block 442 described above is aligned or is staggered with double wedge 31.
Described above that annular groove 45 is arranged on 42 surface of upper head plate of 44 periphery of annular convex platform, reaction magnetic ring 7 is embedded in
To annular groove 45, structure is simply small in size, and reaction magnetic ring is inlaid in groove the manufacture height for reducing rotor assembly, guarantees
The qualification rate of product guarantees that upper head plate is reliable in conjunction with reaction magnetic ring and ring-shaped magnetic component.
Protrude annular groove 45, the essence of mold when the reaction magnetic ring 5 of protrusion can facilitate injection molding in above-mentioned 7 part of reaction magnetic ring
Certainly position and effectively reduce injection molding material burr.
Above-mentioned reaction magnetic ring 7 and permanent magnet 1 and several magnetic inductive blocks 20, which surround, is injection molding the separation of body 4 between cyclic structure
It opens.
The lateral surface of reaction magnetic ring 7 described above is protruding with several positioning protrusion 71, and the positioning protrusion 71 of part is embedded in
In injection molding body 4, convenient for accurate fixed reaction magnetic ring 7.
The medial surface of reaction magnetic ring 7 described above is protruding with several fixing lug boss 72, and fixing lug boss 72 and permanent magnet 1 are right
Should be arranged, fixing lug boss 72 is embedded in injection molding body 4, positioning protrusion 56 for position reaction magnetic ring 5 and ring-shaped magnetic component 11 it
Between magnetic field position relationship.
Above-mentioned plastic packaging interconnecting piece includes the sleeve part 46 positioned at 41 periphery of axially extending bore, and 46 both ends of sleeve part are separately connected
Upper head plate 42 and bottom plate 43 reinforce degree before rotor assembly connection.
Plastic packaging interconnecting piece described above further includes connecting column 47, and the magnetic inductive block 2 sets axial through hole 22, the company
It connects column 47 to be filled in through hole 22,47 one end of connecting column is connect with upper head plate 42, and 47 other end of connecting column and bottom plate 43 connect
It connects, reinforces the structural strength of rotor assembly connection.
Embodiment two:
Provided in this embodiment is a kind of motor, including stator module, rotor assembly and casing, it is characterised in that: described
Rotor assembly is rotor assembly described in embodiment one.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (11)
1. a kind of damping rotor assembly, including several permanent magnets (1), external iron core (2), inner iron core (3), injection molding body (4), shock absorbing ring
(5) and shaft (6), the external iron core (2) they include several magnetic inductive blocks (20), and several magnetic inductive blocks (20) are circumferentially laid out, and adjacent two
Radial groove (21) are formed between magnetic inductive block (20), permanent magnet (1) is nested in inside radial groove (21), several permanent magnets (1)
Cyclic structure is surrounded with several magnetic inductive blocks (20) and to be injection molding body (4) plastic packaging integral, is formed among injection molding body (4) axial logical
Hole (41), it is characterised in that: the injection molding body (4) includes upper head plate (42), bottom plate (43) and connection upper head plate (42) under
The plastic packaging interconnecting piece of end plate (43), axially projecting on upper head plate (42) and/or bottom plate (43) to have annular convex platform (44), annular
A groove (441) is formed among boss (44), and in the inner wall of groove (441), several first convex blocks (442) are circumferentially set, it is adjacent
Two the first convex blocks (442) form first pit (443), and inner iron core (3) is mounted on shaft (6), inner iron core (3) insertion
Inside to groove (441), inner iron core (3) lateral surface is circumferentially provided with several double wedges (31), shape between two neighboring double wedge (31)
It at second dimple (32), is equipped between inner iron core (3) and the inner wall of groove (441) shock absorbing ring (5), annular convex platform (44) position
In the side of external iron core (2) so that external iron core (2) and inner iron core (3) axially offset distribution.
2. a kind of damping rotor assembly according to claim 1, it is characterised in that: shock absorbing ring (5) is embedded into the first pit
(443) and inside second dimple (32).
3. a kind of damping rotor assembly according to claim 2, it is characterised in that: the first convex block (442) and double wedge (31)
It is aligned or is staggered.
4. a kind of damping rotor assembly according to claim 1 or 2 or 3, it is characterised in that: in annular convex platform (44) periphery
Upper head plate (42) surface on annular groove (45) are set, reaction magnetic ring (7) is embedded into annular groove (45).
5. a kind of damping rotor assembly according to claim 4, it is characterised in that: protrude annular in reaction magnetic ring (7) part
Groove (45).
6. a kind of damping rotor assembly according to claim 5, it is characterised in that: reaction magnetic ring (7) and permanent magnet (1) and
Several magnetic inductive blocks (20), which surround, to be injection molding body (4) and separates between cyclic structure.
7. a kind of damping rotor assembly according to claim 6, it is characterised in that: the lateral surface of the reaction magnetic ring (7)
It is protruding with several positioning protrusion (71), in positioning protrusion (71) insertion injection molding body (4) of part.
8. a kind of damping rotor assembly according to claim 7, it is characterised in that: the medial surface of the reaction magnetic ring (7)
It is protruding with several fixing lug boss (72), fixing lug boss (72) is correspondingly arranged with permanent magnet (1), and fixing lug boss (72) is embedded in injection molding body
(4) in.
9. a kind of damping rotor assembly according to claim 8, it is characterised in that: plastic packaging interconnecting piece includes being located at axial lead to
The sleeve part (46) of hole (41) periphery, sleeve part (46) both ends are separately connected upper head plate (42) and bottom plate (43).
10. a kind of damping rotor assembly according to claim 9, it is characterised in that: the plastic packaging interconnecting piece further includes
Connecting column (47), the magnetic inductive block (20) set axial through hole (22), and the connecting column (47) is filled in through hole (22),
Connecting column (47) one end is connect with upper head plate (42), and connecting column (47) other end is connect with bottom plate (43).
11. a kind of motor, including stator module, rotor assembly and casing, it is characterised in that: the rotor assembly is claim
Damping rotor assembly described in any one of 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731881.2U CN209692451U (en) | 2019-05-21 | 2019-05-21 | A kind of damping rotor assembly and its motor of application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731881.2U CN209692451U (en) | 2019-05-21 | 2019-05-21 | A kind of damping rotor assembly and its motor of application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692451U true CN209692451U (en) | 2019-11-26 |
Family
ID=68609021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920731881.2U Withdrawn - After Issue CN209692451U (en) | 2019-05-21 | 2019-05-21 | A kind of damping rotor assembly and its motor of application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692451U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980821A (en) * | 2019-05-21 | 2019-07-05 | 中山大洋电机股份有限公司 | A kind of damping rotor assembly and its motor of application |
| CN111884369A (en) * | 2020-06-16 | 2020-11-03 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| WO2021253767A1 (en) * | 2020-06-16 | 2021-12-23 | 广东威灵电机制造有限公司 | Rotor assembly and motor having same |
| CN113839486A (en) * | 2021-10-12 | 2021-12-24 | 珠海凯邦电机制造有限公司 | Anti-cutting damping rotor |
-
2019
- 2019-05-21 CN CN201920731881.2U patent/CN209692451U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980821A (en) * | 2019-05-21 | 2019-07-05 | 中山大洋电机股份有限公司 | A kind of damping rotor assembly and its motor of application |
| CN109980821B (en) * | 2019-05-21 | 2024-01-09 | 中山大洋电机股份有限公司 | Damping rotor assembly and motor using same |
| CN111884369A (en) * | 2020-06-16 | 2020-11-03 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| WO2021253767A1 (en) * | 2020-06-16 | 2021-12-23 | 广东威灵电机制造有限公司 | Rotor assembly and motor having same |
| KR20220098224A (en) * | 2020-06-16 | 2022-07-11 | 광동 웰링 모터 매뉴팩처링 컴퍼니, 리미티드 | Rotor assembly and motor having same |
| CN111884369B (en) * | 2020-06-16 | 2023-01-17 | 广东威灵电机制造有限公司 | Rotor assembly and motor |
| EP4064525A4 (en) * | 2020-06-16 | 2023-07-12 | Guangdong Welling Motor Manufacturing Co., Ltd. | Rotor assembly and motor having same |
| KR102667263B1 (en) | 2020-06-16 | 2024-05-17 | 광동 웰링 모터 매뉴팩처링 컴퍼니, 리미티드 | Rotor assembly and motor having the same |
| CN113839486A (en) * | 2021-10-12 | 2021-12-24 | 珠海凯邦电机制造有限公司 | Anti-cutting damping rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209692451U (en) | A kind of damping rotor assembly and its motor of application | |
| CN109980821A (en) | A kind of damping rotor assembly and its motor of application | |
| US20130038161A1 (en) | Permanent magnet rotor | |
| US20130187740A1 (en) | Rotating Power Transformer | |
| CN109768647A (en) | A kind of permanent magnet rotor component and motor | |
| CN111490612B (en) | Motor rotor, motor and electronic water pump | |
| CN110535265B (en) | Motor rotor | |
| US20200403489A1 (en) | Rotor assembly and motor comprising the same | |
| KR101604902B1 (en) | Stator of Motor for Washing Machine | |
| CN109565206A (en) | Rotating electric machine | |
| CN203840089U (en) | Electromotor rotor and electromotor employing same | |
| CN111769664A (en) | Vibration reduction rotor assembly and motor | |
| CN111769666A (en) | Rotor assembly and motor with same | |
| CN108711980B (en) | Block type iron core IPM plastic package forming rotor | |
| CN203632511U (en) | Permanent magnet brushless motor | |
| KR101668660B1 (en) | Rotor for Motor | |
| CN209419338U (en) | A kind of permanent magnet rotor component and motor | |
| JP2006187176A (en) | Manufacturing method of outer rotor | |
| CN113595279A (en) | Motor rotor and motor | |
| CN213243661U (en) | Vibration reduction rotor assembly and motor | |
| CN214543845U (en) | Rotor subassembly, motor and domestic appliance | |
| CN209692449U (en) | A kind of rotor assembly and its motor of application | |
| CN108616179B (en) | Shock attenuation rotor and motor thereof | |
| CN211530875U (en) | Electric machine | |
| CN111884370A (en) | Rotor assembly and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191126 Effective date of abandoning: 20240109 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191126 Effective date of abandoning: 20240109 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |