CN206595836U - Rotor assembly on micromachine - Google Patents
Rotor assembly on micromachine Download PDFInfo
- Publication number
- CN206595836U CN206595836U CN201720250012.9U CN201720250012U CN206595836U CN 206595836 U CN206595836 U CN 206595836U CN 201720250012 U CN201720250012 U CN 201720250012U CN 206595836 U CN206595836 U CN 206595836U
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- Prior art keywords
- insulation board
- convex portion
- hole
- free end
- rear insulation
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- 238000009413 insulation Methods 0.000 claims abstract description 88
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model is related to a kind of rotor assembly on micromachine, including rotating shaft, the rotor core being fixed in rotating shaft, the rear insulation board for being fixed on the preceding insulation board of rotating shaft front end, being fixed on rotating shaft rear end, the commutator and fan blade that are fixed on rotating shaft front end；Insulation board includes the second bottom and the second convex portion coupled with the second bottom afterwards;The second convex portion of insulation board includes with the joining end in the second bottom and the free end away from the second bottom afterwards, and the end of the second convex portion of rear insulation board is cylinder, and the free end of the second convex portion of rear insulation board is Polygonal column shape；Fan blade is provided with the Polygonal column shape central through hole being adapted with the free end of the second convex portion of rear insulation board, and the Polygonal column shape central through hole of fan blade is inserted and secured on the free end of the second convex portion of rear insulation board.The utility model rotor assembly has the advantages that simple in construction, easy to assembly and fixed.
Description
【Technical field】
The utility model is related to small-sized or micromachine, the rotor assembly more particularly on micromachine.
【Background technology】
Prior art be used for micromachine on rotor assembly include rotating shaft, be fixed in rotating shaft rotor core, it is preceding absolutely
Listrium, rear insulation board, commutator and fan blade；The shape of preceding insulation board and rear insulation board all be in convex, including bottom and with the bottom
Circular protrusions of portion's connection, and through bottom and the central through hole of circular protrusions, the bottom of preceding insulation board and rear insulation board
Bottom is respectively equipped with the V-shaped groove with rotor core equivalent amount；Preceding insulation board and rear insulation board are separately fixed at the front and rear of rotating shaft
The bottom of two ends, the bottom of preceding insulation board and rear insulation board touch the rear and front end of rotor core respectively, and commutator, which is fixed on, to be turned
The front end of axle, fan blade is fixed on the rear end of rotating shaft using interference fit；The rotor assembly of this structure has following weak point：
First, fan blade is assembled and pulled down all relatively difficult；2nd, when micromachine works, substantial amounts of heat can be produced, and heat can pass through
Rotating shaft is transmitted to fan blade, and their temperature all can be very high when micromachine works, and their temperature is in micromachine not work
Normal room temperature is reduced to when making again, so just occurs and expands with heat and contract with cold so that is changed into gap cooperation between rotating shaft and fan blade,
The long fan blade of time one is skidded, and radiating effect is had a greatly reduced quality, and play before and after fan blade, is existed and is wiped the hidden danger touched with other parts.
【Utility model content】
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and provide a kind of use
In the rotor assembly on micromachine, have the advantages that simple in construction, easy to assembly and fixed.
The utility model solves the technical scheme that the technical problem uses：
A kind of rotor assembly on micromachine is provided, including rotating shaft, be fixed in the rotating shaft rotor core,
Preceding insulation board, rear insulation board, commutator and fan blade；The shape of the preceding insulation board is in convex, including the first bottom and with this
First convex portion of one bottom connection, and the first central through hole through first bottom and the first convex portion, the preceding insulation
First bottom of plate is provided with the V-shaped groove with the rotor core equivalent amount；The shape of the rear insulation board is also in convex, including
Second bottom and the second convex portion coupled with second bottom, and through second bottom and the second center of the second convex portion
Through hole, the second bottom of the rear insulation board also is provided with the V-shaped groove with the rotor core equivalent amount；The preceding insulation board and
Insulation board is separately fixed at the rear and front end of the rotating shaft, the first bottom of the preceding insulation board and the second bottom of rear insulation board afterwards
Portion touch the rear and front end of the rotor core respectively, and the commutator is fixed on the front end of the rotating shaft;The rear insulation board
The second convex portion include with the joining end in the second bottom and away from second bottom free end, it is described after insulate
The end of second convex portion of plate is cylinder, and the free end of the second convex portion of the rear insulation board is Polygonal column shape；The fan blade
The Polygonal column shape central through hole being adapted provided with the free end with the second convex portion of the rear insulation board, the fan blade it is polygon
Cylindrical central through hole is inserted and secured on the free end of the second convex portion of the rear insulation board.
The free end of second convex portion of the rear insulation board is the Polygonal column shape of equilateral Polygonal column shape, the accordingly fan blade
Central through hole is equilateral Polygonal column shape central through hole.
The free end of second convex portion of the rear insulation board is many side columns of equilateral eight side columns shape, the accordingly fan blade
Shape central through hole is equilateral octagon central through hole.
In order that fan blade fixes more firm and limitation fan blade axial float, the free end of the second convex portion of the rear insulation board
It is raised and be designed with strip breach in each raised both sides to being externally provided with a pair on outer surface;Accordingly, many side columns of the fan blade
Provided with the groove being adapted with the projection at shape central through hole;After assembling, the Polygonal column shape central through hole of the fan blade is fixed
It is each raised in corresponding groove in the rear during the free end of the second convex portion of insulation board.
Compared with the existing technology compared with the beneficial effect for the rotor assembly that the utility model is used on micromachine is：
The free end of second convex portion of rear insulation board is specially designed as Polygonal column shape by the utility model, and by fan blade
Heart via design is Polygonal column shape central through hole, so can be convex by the second of the Polygonal column shape central through hole of fan blade and rear insulation board
The matching design of the free end in portion is into gap or interference fits, during assembling, it is only necessary to by blade sleeve in the rear insulation board
The free end of two convex portions, and make each raised groove for being located at corresponding fan blade of the free end of the second convex portion of the rear insulation board
It is interior, fan blade in operation process will not axial float, will not also be rotated relative to rear insulation board；This structure causes this
The rotor assembly that utility model is used on micromachine has the advantages that simple in construction, easy to assembly and fixed.
【Brief description of the drawings】
Fig. 1 is the axonometric projection schematic diagram for the rotor assembly that the utility model is used on micromachine；
Fig. 2 is the axonometric projection schematic diagram after the rotor assembly decomposed；
Fig. 3 is the axonometric projection schematic diagram of insulation board after the rotor assembly；
Fig. 4 is the axonometric projection schematic diagram in rear another direction of insulation board；
Fig. 5 is the orthographic projection schematic front view of the rear insulation board；
Fig. 6 is the orthographic projection schematic rear view of the rear insulation board；
Fig. 7 is that the orthographic projection right side of the rear insulation board regards schematic diagram；
Fig. 8 is the axonometric projection schematic diagram of the fan blade of the rotor assembly；
Fig. 9 is the orthographic projection schematic front view of the fan blade；
Figure 10 is the orthographic projection schematic rear view of the fan blade.
【Embodiment】
The utility model is described in further detail with reference to each accompanying drawing.
Referring to Fig. 1 to Figure 10, a kind of rotor assembly on micromachine, including rotating shaft 21, it is fixed on the rotating shaft 21
On rotor core 22, preceding insulation board 23, rear insulation board 24, commutator 25 and fan blade 26；The shape of the preceding insulation board 23 is in
Convex, including the first bottom and the first convex portion for coupling with first bottom, and through first bottom and the first convex portion
The first central through hole, the first bottom of the preceding insulation board 23 is provided with the V-shaped groove with the equivalent amount of rotor core 22；Institute
It is also in convex to state the shape of rear insulation board 24, including the second bottom 241 and the second convex portion 242 for coupling with second bottom 241,
And the second central through hole 243 through the convex portion 242 of the second bottom 241 and second, the second bottom of the rear insulation board 24
Portion 241 also is provided with the V-shaped groove 2419 with the equivalent amount of rotor core 22；The preceding insulation board 23 and rear insulation board 24 are distinguished
It is fixed on the rear and front end of the rotating shaft 21, the first bottom of the preceding insulation board 23 and the second bottom 241 of rear insulation board 24
The rear and front end of the rotor core 22 is touched respectively, and the commutator 25 is fixed on the front end of the rotating shaft 21;After described absolutely
Second convex portion 242 of listrium 24 is included with the joining end 2428 in second bottom 241 and away from second bottom 241
Free end 2429, the end 2428 of the second convex portion 242 of the rear insulation board 24 is cylinder, the of the rear insulation board 24
The free end 2429 of two convex portions 242 is Polygonal column shape；The fan blade 26 be provided with the second convex portion 242 of the rear insulation board 24 it
The Polygonal column shape central through hole 261 that free end 2429 is adapted, the Polygonal column shape central through hole 261 of the fan blade 26 is inserted simultaneously
The free end 2429 of fixed second convex portion 242 of insulation board 24 in the rear.The concrete structure of preceding insulation board 23 is not drawn, can
With referring to all cylinders in the first convex portion of the concrete structure of rear insulation board 24, simply preceding insulation board 23.
Referring to Fig. 2 to Figure 10, the free end 2429 of the second convex portion 242 of the rear insulation board 24 is equilateral Polygonal column shape,
Accordingly the Polygonal column shape central through hole 261 of the fan blade 26 is equilateral Polygonal column shape central through hole.
Referring to Fig. 2 to Figure 10, the free end 2429 of the second convex portion 242 of the rear insulation board 24 is equilateral eight side columns shape,
Accordingly the Polygonal column shape central through hole 261 of the fan blade 26 is equilateral octagon central through hole.
Referring to Fig. 2 to Figure 10, in order that fan blade 26 fixes the more firm and limitation axial float of fan blade 26, the rear insulation board
On the outer surface of free end 2429 of 24 the second convex portion 242 to be externally provided with a pair of projection 24299 and in each raised 24299 both sides all
Provided with strip breach 24298;Accordingly, it is provided with and the projection at the Polygonal column shape central through hole 261 of the fan blade 26
24299 grooves 2619 being adapted;After assembling, the Polygonal column shape central through hole 261 of the fan blade 26 is fixed to insulate in the rear
During the free end 2429 of the second convex portion 242 of plate 24, each raised 24299 are located in corresponding groove 2619.
The Polygonal column shape central through hole 261 of the fan blade 26 for the rotor assembly that the utility model is used on micromachine with it is rear absolutely
The cooperation of the free end 2429 of second convex portion 242 of listrium 24 can be gap or interference fits, during assembling, it is only necessary to by fan blade
The free end 2429 of 26 sets of second convex portions 242 of insulation board 24 in the rear, and make the second convex portion 242 of the rear insulation board 24
Free end 2429 each raised 24299 be located at corresponding fan blade 26 groove 2619 in, fan blade 26 is in operation process
Will not axial float, will not also be rotated relative to rear insulation board 24., only need to be by rear insulation board if necessary to which fan blade 26 is taken off
Each raised the 24299 of the free end 2429 of 24 the second convex portion 242 are pressed toward the direction of rotating shaft 21, you can easily take fan blade 26
Go out.
Embodiment described above only expresses preferred embodiment of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model the scope of the claims;It should be appreciated that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model;Therefore, all equivalents done with the utility model right and modification,
The covering scope of the utility model claim should be belonged to.
Claims (4)
1. a kind of rotor assembly on micromachine, including rotating shaft（21）, be fixed on the rotating shaft（21）On rotor core
（22）, preceding insulation board（23）, rear insulation board（24）, commutator（25）And fan blade（26）；The preceding insulation board（23）Shape be in
Convex, including the first bottom and the first convex portion for coupling with first bottom, and through first bottom and the first convex portion
The first central through hole, the preceding insulation board（23）The first bottom be provided with and the rotor core（22）The V-arrangement of equivalent amount
Groove；The rear insulation board（24）Shape be also in convex, including the second bottom（241）With with second bottom（241）Connection
Second convex portion（242）, and through second bottom（241）With the second convex portion（242）The second central through hole (243), institute
State rear insulation board（24）The second bottom（241）It also is provided with and the rotor core（22）The V-shaped groove of equivalent amount（2419）；Institute
State preceding insulation board（23）With rear insulation board（24）It is separately fixed at the rotating shaft（21）Rear and front end, the preceding insulation board（23）
The first bottom and rear insulation board（24）The second bottom（241）The rotor core is touched respectively（22）Rear and front end, institute
State commutator（25）It is fixed on the rotating shaft（21）Front end；It is characterized in that：
The rear insulation board（24）The second convex portion（242）Including with second bottom（241）Joining end (2428)
With remote second bottom（241）Free end (2429), the rear insulation board（24）The second convex portion（242）End
(2428) it is cylinder, the rear insulation board（24）The second convex portion（242）Free end (2429) be Polygonal column shape；The wind
Leaf（26）Provided with the rear insulation board（24）The second convex portion（242）The Polygonal column shape center that is adapted of free end (2429)
Through hole（261）, the fan blade（26）Polygonal column shape central through hole（261）It is inserted and secured on the rear insulation board（24）
Two convex portions（242）Free end (2429).
2. the rotor assembly according to claim 1 on micromachine, it is characterised in that：
The rear insulation board（24）The second convex portion（242）Free end (2429) be equilateral Polygonal column shape, the accordingly wind
Leaf（26）Polygonal column shape central through hole（261）For equilateral Polygonal column shape central through hole.
3. the rotor assembly according to claim 2 on micromachine, it is characterised in that：
The rear insulation board（24）The second convex portion（242）Free end (2429) be equilateral eight side columns shape, the accordingly wind
Leaf（26）Polygonal column shape central through hole（261）For equilateral octagon central through hole.
4. the rotor assembly being used on micromachine according to any one of claims 1 to 3, it is characterised in that：
The rear insulation board（24）The second convex portion（242）Free end (2429) outer surface on it is raised to being externally provided with a pair
(24299) and in each raised (24299) both sides it is designed with strip breach (24298)；Accordingly, the fan blade（26）Many side columns
Shape central through hole（261）Place is provided with the groove (2619) being adapted with raised (24299)；After assembling, the fan blade（26）
Polygonal column shape central through hole（261）Fixed insulation board in the rear（24）The second convex portion（242）Free end (2429) when,
Each projection (24299) is located in corresponding groove (2619).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250012.9U CN206595836U (en) | 2017-03-15 | 2017-03-15 | Rotor assembly on micromachine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720250012.9U CN206595836U (en) | 2017-03-15 | 2017-03-15 | Rotor assembly on micromachine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595836U true CN206595836U (en) | 2017-10-27 |
Family
ID=60123379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720250012.9U Active CN206595836U (en) | 2017-03-15 | 2017-03-15 | Rotor assembly on micromachine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391069A (en) * | 2018-11-26 | 2019-02-26 | 孙绍武 | A kind of oil field asynchronous motor |
-
2017
- 2017-03-15 CN CN201720250012.9U patent/CN206595836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391069A (en) * | 2018-11-26 | 2019-02-26 | 孙绍武 | A kind of oil field asynchronous motor |
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Date of cancellation: 20181124 Granted publication date: 20171027 |
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| DD01 | Delivery of document by public notice |
Addressee: Zhu Bairui Document name: Notice of Termination of Procedure |
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