CN209676072U - The rotor assembly of quick shutdown can be achieved - Google Patents
The rotor assembly of quick shutdown can be achieved Download PDFInfo
- Publication number
- CN209676072U CN209676072U CN201920855053.XU CN201920855053U CN209676072U CN 209676072 U CN209676072 U CN 209676072U CN 201920855053 U CN201920855053 U CN 201920855053U CN 209676072 U CN209676072 U CN 209676072U
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- compressed spring
- axial
- bearing
- rotor
- quick shutdown
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Abstract
The purpose of the utility model is to provide a kind of rotor assembly of achievable quick shutdown for being able to achieve quick shutdown.To achieve the above object; the utility model adopts the following technical solution: a kind of rotor assembly of achievable quick shutdown; including armature spindle; rotor core is fixed on the armature spindle; bearing is fixed on the armature spindle; compressed spring is equipped between the rotor core and bearing, one end of the compressed spring is pressed on the outer ring axial direction side of bearing, and the other end of compressed spring is pressed on the axial side of rotor core or fixes with rotor core.When the motor is energized, it is rotated after the lesser spring resistance of rotor customer service；After motor power-off, under the resistance of compressed spring, the trend power of rotor rotation is reduced, and the desired time is rotated to reduce rotor after motor power-off, to realize quick shutdown.
Description
Technical field
The utility model relates to motor fields, and in particular to a kind of rotor assembly of achievable quick shutdown.
Background technique
Due to the relationship of inertia, rotor still can rotate longer time after motor power-off, and motor stopping is slower.
Summary of the invention
The purpose of the utility model is to provide a kind of rotor assembly of achievable quick shutdown for being able to achieve quick shutdown.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of rotor set of achievable quick shutdown
Part, including armature spindle are fixed with rotor core on the armature spindle, bearing, the rotor core are fixed on the armature spindle
Compressed spring is equipped between bearing, one end of the compressed spring is pressed on the outer ring axial direction side of bearing, compressed spring it is another
One end is pressed on the axial side of rotor core or fixes with rotor core.
When the motor is energized, it is rotated after the lesser spring resistance of rotor customer service；After motor power-off, in compressed spring
Resistance under, the trend power of rotor rotation is reduced, and rotates desired time to reduce rotor after motor power-off, fast to realize
Speed is shut down.Wherein, the compressed spring of the utility model is compression, and compressed spring always exerts a force to the outer ring of bearing.Wherein, originally
The bearing of utility model is the bearing in motor bearings shelves.
Preferably, being equipped with annular gasket between the compressed spring and bearing, the annular gasket internal diameter is greater than described
The outer diameter of the inner ring of bearing.Compressed spring squeezes ring washer, so that ring washer is sufficiently in contact with bearing outer ring, to improve
Bearing inner race required resistance when being rotated relative to bearing outer ring.
Preferably, being equipped with block between the compressed spring and annular gasket, the block includes axial part and circumferential direction
Portion, in a ring to be set on armature spindle, the axial part axially outer edge extends to rotor core side to be formed the axial part
The circumferential portion, the compressed spring end are pressed on the axial part axial face, and the circumferential portion is set in the compression bullet
Spring end outer circumferential.Whether compressed spring end contacts with circumferential portion.Above-mentioned setting is for avoiding compressed spring from tilting, to protect
Compressed spring is demonstrate,proved to the force of bearing outer ring.
Preferably, to rotor core side protrusion so that axial part is including axial one and is located at axis in the middle part of the axial part
To axially two of an outer circumferential, the axial direction one circumferential outer rim is located relatively at the extrorse week in bearing inner race week
Outward.
Preferably, the compressed spring is volute spring, the big end of compressed spring is pressed on the axis of the bearing outer ring
To side, the small end of compressed spring is pressed on rotor core axial direction side.
Preferably, the armature spindle is equipped with annular groove and is combined with retaining ring, the annular gasket is set in the gear
The peripheral side of circle.Above-mentioned setting to reduce space occupied by the axial direction of the utility model as far as possible.
The utility model has the advantages that the achievable quick shutdown for being able to achieve quick shutdown.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is a kind of cross-sectional view of the utility model.
Specific embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, a kind of rotor assembly of achievable quick shutdown of the utility model, including armature spindle 1, turn
Rotor core 2 is fixed on sub- axis 1,1 both ends of armature spindle are respectively and fixedly provided with bearing 3, are equipped between rotor core 2 and a bearing 3
Compressed spring 4, one end of compressed spring 4 are pressed on the outer ring axial direction side of bearing 3, and the other end of compressed spring 4 is pressed on rotor
The axial side of iron core 2 is fixed with rotor core 2.The compressed spring 4 of the utility model be volute spring, compressed spring 4 it is big
End is pressed on the axial side of 3 outer ring of bearing, and the small end of compressed spring 4 is pressed on the axial side of rotor core 2.
Annular gasket 5 is equipped between compressed spring 4 and bearing 3,5 internal diameter of annular gasket is greater than the outer diameter of the inner ring of bearing 4.
Block 6 is equipped between compressed spring 4 and annular gasket 5, block 6 includes axial part 61 and circumferential portion 62, axial part
61 in a ring to be set on armature spindle 1, and 61 axially outer edge of axial part extends to 2 side of rotor core to form the circumferential portion
62,4 end of compressed spring is pressed in 61 axial face of axial part, and circumferential portion 62 is set in 4 end outer circumferential of compressed spring.Axis
To the middle part of portion 61 to 2 protrusion of rotor core side so that axial part 61 include axial one 611 and be located at axial one 611 weeks it is outside
Axially two 612 of side, axial one 611 circumferential outer rim are located relatively at bearing 3 inner ring week extrorse outer circumferential.
Bearing 3 is pressed in electric motor end cap, the axial limiting of bearing outer ring is carried out by electric motor end cap, on armature spindle 1
Equipped with annular groove and it is combined with retaining ring 7,5 internal diameter of ring washer is greater than 7 outer diameter of retaining ring, and annular gasket 5 is set in the circumferential direction of retaining ring 7
Side carries out the axial limiting of bearing inner race by annular gasket.
When the motor is energized, it is rotated after the lesser spring resistance of rotor customer service；After motor power-off, in compressed spring
Resistance under, the trend power of rotor rotation is reduced, and rotates desired time to reduce rotor after motor power-off, fast to realize
Speed is shut down.
Claims (6)
1. a kind of rotor assembly of achievable quick shutdown, it is characterised in that including armature spindle, be fixed with and turn on the armature spindle
Sub- iron core is fixed with bearing on the armature spindle, and compressed spring, the compressed spring are equipped between the rotor core and bearing
One end be pressed on the outer ring axial direction side of bearing, the other end of compressed spring be pressed on rotor core axial side or with rotor iron
Core is fixed.
2. the rotor assembly of achievable quick shutdown according to claim 1, it is characterised in that the compressed spring and axis
Annular gasket is equipped between holding, the annular gasket internal diameter is greater than the outer diameter of the inner ring of the bearing.
3. the rotor assembly of achievable quick shutdown according to claim 2, it is characterised in that the compressed spring and ring
Block is equipped between shape gasket, the block includes axial part and circumferential portion, and the axial part is in a ring to be set in armature spindle
On, the axial part axially outer edge extends to rotor core side to form the circumferential portion, and the compressed spring end is pressed on
The axial part axial face, the circumferential portion are set in compressed spring end outer circumferential.
4. the rotor assembly of achievable quick shutdown according to claim 3, it is characterised in that in the middle part of the axial part to
Rotor core side protrusion is so that axial part includes axial one and two axial, the axial direction positioned at an axial outer circumferential
One circumferential outer rim is located relatively at the bearing inner race week extrorse outer circumferential.
5. the rotor assembly of achievable quick shutdown according to claim 1, it is characterised in that the compressed spring is cone
Shape spring, the big end of compressed spring are pressed on the axial side of the bearing outer ring, and the small end of compressed spring is pressed on rotor core
Axial side.
6. the rotor assembly of achievable quick shutdown according to claim 2, it is characterised in that the armature spindle is equipped with
Annular groove is simultaneously combined with retaining ring, and the annular gasket is set in the peripheral side of the retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855053.XU CN209676072U (en) | 2019-06-09 | 2019-06-09 | The rotor assembly of quick shutdown can be achieved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920855053.XU CN209676072U (en) | 2019-06-09 | 2019-06-09 | The rotor assembly of quick shutdown can be achieved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209676072U true CN209676072U (en) | 2019-11-22 |
Family
ID=68575709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920855053.XU Active CN209676072U (en) | 2019-06-09 | 2019-06-09 | The rotor assembly of quick shutdown can be achieved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209676072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212695A (en) * | 2019-06-09 | 2019-09-06 | 横店集团英洛华电气有限公司 | The rotor assembly of quick shutdown can be achieved |
-
2019
- 2019-06-09 CN CN201920855053.XU patent/CN209676072U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212695A (en) * | 2019-06-09 | 2019-09-06 | 横店集团英洛华电气有限公司 | The rotor assembly of quick shutdown can be achieved |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rotor assembly for rapid shutdown Effective date of registration: 20210917 Granted publication date: 20191122 Pledgee: Dongyang sub branch of Bank of China Ltd. Pledgor: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. Registration number: Y2021330001677 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220512 Granted publication date: 20191122 Pledgee: Dongyang sub branch of Bank of China Ltd. Pledgor: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. Registration number: Y2021330001677 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rotor assembly for quick shutdown Effective date of registration: 20220523 Granted publication date: 20191122 Pledgee: Dongyang sub branch of Bank of China Ltd. Pledgor: HENGDIAN GROUP INNUOVO ELECTRIC Co.,Ltd. Registration number: Y2022330000754 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |