CN110323882A - A kind of electric machine structure of dish-style motor - Google Patents
A kind of electric machine structure of dish-style motor Download PDFInfo
- Publication number
- CN110323882A CN110323882A CN201910760249.5A CN201910760249A CN110323882A CN 110323882 A CN110323882 A CN 110323882A CN 201910760249 A CN201910760249 A CN 201910760249A CN 110323882 A CN110323882 A CN 110323882A
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- CN
- China
- Prior art keywords
- bearing
- fan
- shaft
- section
- close
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
A kind of electric machine structure of dish-style motor, it includes front bearing retainer, drive end bearing bracket, fore bearing, rotor, shaft, rear bearing, rear bearing baffle, shell, terminal box, stator, rear end cap, fan, fan housing, it is characterized in that: shaft is by fore bearing, rear bearing dual-gripper, rotor is placed on the axle stretch end of shaft, close to fore bearing, stator close to rear bearing, and with the close face contact of rear end cap.Motor of the invention uses forward and backward bearing dual-support structure.Rotor is placed on nearly axle stretch end, close to fore bearing, the connection Distance Shortened with power output interface (axle stretch end), while load is mainly distributed on fore bearing.Motor stator close to rear bearing, and with the close face contact of rear end cap, shorten the distance with the link position of power output interface (axle stretch end), maximumlly reduce vibration, the noise of motor.
Description
Technical field
The present invention relates to a kind of motors, refer in particular to a kind of electric machine structure of dish-style motor.
Background technique
Dish (disk) formula motor is a kind of high starting torque, path length than big motor in axial magnetic field, and motor body mostly uses greatly
Be rotor postposition single-cantilever structure, farther out, rotating shaft deflection is big for the link position apart from power output interface (axle stretch end), hold
It is also easy to produce vibration.Application domestic at present is short time duty mostly, therefore motor body is dissipated using shell naturally mostly
The hot type of cooling, but with the expansion of application, this mode is no longer satisfied requirement.
A kind of dish-style motor with air-cooled structure disclosed in 208955808 U of Chinese patent literature CN, which employs turn
Sub- postposition, the preposition design of stator, i.e. stator closer to output shaft, due to motor output shaft (axle stretch end) apart from rotor farther out,
In the rotation of shaft on-load, degree of disturbing is big, it is easier to so that motor generates vibration, while also will affect the reliability of motor and make
Use the service life.This electric machine structure and existing practical problem are more universal, and the above problem can be eliminated or improve by being badly in need of one kind
New structural motor.
Summary of the invention
The purpose of the present invention is to provide a kind of electric machine structures of dish-style motor, solve the deficiencies in the prior art, can be most
The vibration and noise of the reduction motor changed greatly in the process of running, while the main heating source of motor is also arranged in effectively cooling lead to
On air duct.
In order to achieve the above objectives, the solution that the present invention takes is: a kind of electric machine structure of dish-style motor, before it includes
Bearing cap, drive end bearing bracket, fore bearing, rotor, shaft, rear bearing, rear bearing baffle, shell, terminal box, stator, rear end cap, wind
Fan, fan housing, it is characterized in that: shaft, by fore bearing, rear bearing dual-gripper, rotor is placed on the axle stretch end of shaft, close to front axle
Hold, stator close to rear bearing, and with the close face contact of rear end cap.
The stator is fixed on rear end cap, and rear end cap is in the non-shaft stretching end side of shaft.
The non-shaft stretching end side fan attachment of the shaft, be before fan rear end cap, after have fan housing.
The fan housing is provided with air holes close to axis center.
The fan uses centrifugal structure.
The shaft is divided into first segment, second segment, third section, the 4th section, the 5th section, the 6th section, has there are five step,
First segment is extension end, and fore bearing is filled on second segment, and cartridge rotor in third section, the 4th section is above stator, after the 5th section of upper dress
Bearing, the 6th section of upper dress fan, fore bearing, rotor, rear bearing, fan are resisted against on corresponding step end face.
Compared with prior art, the present invention having the positive effect that: using forward and backward bearing dual-support structure.Motor turns
Son is placed on nearly axle stretch end, close to fore bearing, the connection Distance Shortened with power output interface (axle stretch end), while load is main
It is distributed in fore bearing.Motor stator close to rear bearing, and with the close face contact of rear end cap.Cooling structure mainly by fan, fan housing,
Close fan and the end cap and motor housing composition for installing fixed stator iron core.Fan uses centrifugal structure.Fan housing is by paraxial
There is aperture at center.Stator is fixed on the end cap (rear end cap) of non-shaft stretching end side, effectively increases maximum heat-conducting area.Outside motor
Shell designs the ventilating duct for having sandwich, can use aluminium section.The heat dissipation performance for maximumlly improving motor, improves electricity
The efficiency of machine.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment.
Fig. 2 is the schematic diagram of the section structure of the present embodiment.
Fig. 3 is the perspective view of the explosion of the present embodiment.
Fig. 4 is the perspective view of the shaft of the present embodiment.
In figure: 1, front bearing retainer, 2, drive end bearing bracket, 3, fore bearing, 4, rotor, 5, shaft, 6, rear bearing, 7, rear bearing gear
Plate, 8, shell, 9, terminal box, 10, stator, 11, rear end cap, 12, fan, 13, fan housing, 14, air holes, 51, first segment, 52,
Two sections, 53, third section, 54, the 4th sections, 55, the 5th sections, 56, the 6th sections.
Specific embodiment
The present invention is described again below with reference to embodiment and its attached drawing.
Referring to figures 1-4, a kind of electric machine structure of dish-style motor, it includes front bearing retainer 1, drive end bearing bracket 2, fore bearing 3, turns
Sub 4, shaft 5, rear bearing 6, rear bearing baffle 7, shell 8, terminal box 9, stator 10, rear end cap 11, fan 12 and fan housing 13, institute
2 centre of drive end bearing bracket stated is equipped with stepped hole, and the front bearing retainer 1 is arranged close on the first step hole of axle stretch end,
The fore bearing 3 is placed in the diameter second step hole small compared with first step hole, and the rear bearing 6 is placed on rear end cap
In the cavity in 11 centre, rear bearing baffle 7, the front end are provided between the rear bearing 6 and rear end cap 11
Lid 2 and rear end cap 11 are separately fixed at the both ends of shell 8, and the stator 10 is fixed on rear end cap 11, the drive end bearing bracket 2
Rotor 4 is equipped between stator 10, the rotor 4 is compared with stator 10 close to axle stretch end, close to fore bearing 3, and stator 10 is after
Bearing 6.
Referring to figs. 2 and 3, the fan 12 is arranged between rear end cap 11 and fan housing 13, and is set in the non-of shaft 5
Axle stretch end, the fan 12 and shaft 5 are keyed, and the end card that the shaft 5 is arranged has circlip, prevent fan 12 de-
Out.
Referring to figures 1-4, the shaft 5 includes first segment 51, second segment 52, third section 53, the 4th section 54, the 5th section
55, the 6th section 56；The first segment 51 is axle stretch end, i.e. extension end, for connecting load；It is arranged on the second segment 52
Front bearing retainer 1 and fore bearing 3；It is arranged rotor 4 in the third section 53, and is connected by key, the fore bearing 3 is resisted against
The end face of third section 53；There is stator 10 on described the 4th section 54, the rotor 4 is resisted against the 4th section 54 of end face；It is described
The 5th section 55 on be arranged rear bearing 6, the side of the rear bearing 6 is against the 4th section 54 of end face, and the other side is against rear axle
Hold baffle 7；It is arranged fan 12 on described the 6th section 56, the fan 12 is against the 5th section 55 of end face, and the described the 6th
There is circlip in the outside of section 56 close to endface card, prevents fan 12 from deviating from.
Referring to fig. 4, the fan housing 13 is provided with air holes 14 close to axis center, is uniformly distributed close to axis part periphery several
Air holes 14.
- Fig. 3 referring to fig. 2, the fan 12 use centrifugal fan impeller structure, and fan 12 sucks air from air holes 14, and
To its surrounding air blast, the moving air that air blast generates flows through corresponding cooling duct, to play cooling purpose.
- Fig. 3 referring to fig. 2, the rear bearing 6 are thrust roller bearing, and outer ring is contacted with rear bearing baffle 7, in
Circle is resisted against on the 4th section 54 of end face of shaft 5.
The above, only presently preferred embodiments of the present invention, be not limiting the present invention, it is all according to the present invention
Technical spirit trickle amendment to the above embodiments, equivalent replacement and improvement should be included in technical solution of the present invention
Within protection scope.
Claims (6)
1. a kind of electric machine structure of dish-style motor, it includes front bearing retainer (1), drive end bearing bracket (2), fore bearing (3), rotor (4), turns
Axis (5), rear bearing (6), rear bearing baffle (7), shell (8), terminal box (9), stator (10), rear end cap (11), fan (12),
Fan housing (13), it is characterized in that: shaft (5), by fore bearing (3), rear bearing (6) dual-gripper, rotor (4) is placed on the axis of shaft (5)
Stretch end it is upper, close to fore bearing (3), stator (10) close to rear bearing (3), and with rear end cap (11) close face contact.
2. a kind of electric machine structure of dish-style motor according to claim 1, it is characterised in that: the stator (10) is fixed
On rear end cap (11), rear end cap (11) is in the non-shaft stretching end side of shaft (5).
3. a kind of electric machine structure of dish-style motor according to claim 2, it is characterised in that: the shaft (5) it is non-
Axle stretch end side fan attachment (12), be before fan (12) rear end cap (11), after have fan housing (13).
4. a kind of electric machine structure of dish-style motor according to claim 3, it is characterised in that: the fan housing (13) is close
Axis center is provided with air holes (14).
5. a kind of electric machine structure of dish-style motor according to claim 3, it is characterised in that: the fan (12) uses
Centrifugal structure.
6. a kind of electric machine structure of dish-style motor according to claim 1, it is characterised in that: the shaft (5) is divided into
First segment (51), second segment (52), third section (53), the 4th section (54), the 5th section (55), the 6th section (56), there are five platforms for tool
Rank, first segment (51) they are extension end, fill fore bearing (3) on second segment (52), cartridge rotor (4) in third section (53), the 4th section
(54) it is stator (10) above, fills rear bearing (6) on the 5th section (55), fill fan (12) on the 6th section (56), fore bearing (3),
Rotor (4), rear bearing (6), fan (12) are resisted against on corresponding step end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760249.5A CN110323882A (en) | 2019-08-16 | 2019-08-16 | A kind of electric machine structure of dish-style motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910760249.5A CN110323882A (en) | 2019-08-16 | 2019-08-16 | A kind of electric machine structure of dish-style motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110323882A true CN110323882A (en) | 2019-10-11 |
Family
ID=68126285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910760249.5A Pending CN110323882A (en) | 2019-08-16 | 2019-08-16 | A kind of electric machine structure of dish-style motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110323882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114465407A (en) * | 2022-03-29 | 2022-05-10 | 宁波朝一电子有限公司 | Novel fan motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030072035A (en) * | 2002-03-05 | 2003-09-13 | (주)에스티아이 | Roller Conveyer Equipped with Separated Disk Type Motor |
| CN201369663Y (en) * | 2009-03-16 | 2009-12-23 | 常州高尔登科技有限公司 | Disk-type brushless motor |
| CN209994202U (en) * | 2019-08-16 | 2020-01-24 | 浙江盛泰防务科技有限公司 | Motor structure of disc type motor |
-
2019
- 2019-08-16 CN CN201910760249.5A patent/CN110323882A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030072035A (en) * | 2002-03-05 | 2003-09-13 | (주)에스티아이 | Roller Conveyer Equipped with Separated Disk Type Motor |
| CN201369663Y (en) * | 2009-03-16 | 2009-12-23 | 常州高尔登科技有限公司 | Disk-type brushless motor |
| CN209994202U (en) * | 2019-08-16 | 2020-01-24 | 浙江盛泰防务科技有限公司 | Motor structure of disc type motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114465407A (en) * | 2022-03-29 | 2022-05-10 | 宁波朝一电子有限公司 | Novel fan motor |
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