CN109245372A - A kind of fan brushless motor - Google Patents
A kind of fan brushless motor Download PDFInfo
- Publication number
- CN109245372A CN109245372A CN201811266467.5A CN201811266467A CN109245372A CN 109245372 A CN109245372 A CN 109245372A CN 201811266467 A CN201811266467 A CN 201811266467A CN 109245372 A CN109245372 A CN 109245372A
- Authority
- CN
- China
- Prior art keywords
- coil holder
- stator
- front cover
- casing
- brushless motor
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
A kind of fan brushless motor, including casing, the front cover of buckle closure casing front opening, and setting is formed by the intracorporal stator of motor cavity in casing and front cover, rotor and pcb board, rotor includes shaft, it is attached to the magnet frame of rounded cover shape and the glue magnetic being fixedly mounted on the intrados of magnet frame in shaft, the both ends of shaft are rotatably sleeved on front cover respectively and the bottom of casing, and the frame mouth of magnet frame is consistent with the front opening direction of casing, wherein stator is annular in shape, it passes through shaft and is vacantly arranged in magnet frame, the two sides of stator are respectively equipped with the preceding coil holder and rear coil holder for clamping the stator, the coil with stator insulation is wound between preceding coil holder and rear coil holder, the end of coil holder extends and is fixedly linked with front cover to be used to support stator and preceding coil holder afterwards.The motor stator of fan brushless motor of the present invention no longer needs to coat process, reduces cost, reduces pollution, and after coiling, stable insulation is more reliable, and stationary part can disassemble maintenance repeatedly.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of fan brushless motor.
Background technique
Brushless motor is one kind very typical electrical integrated product for the modern times, with low noise, energy-efficient
And the advantages that durability.
As shown in Figure 1, the stationary part of conventional brush-less motor generally by stator 1, pcb board 2, kirsite bracket 3, motor before
The composition such as lid 4, wherein 1 surface of stator need to be using powder coating on electrostatic, to achieve the purpose that winding coil and stator 1 insulate；It is fixed
Son 1 and pcb board 2 need to be connected by kirsite bracket 3 and the locking of front motor cover 4.The structure has the disadvantage in that
1) by kirsite bracket 3 come fixed stator 1 to connect front motor cover 4, structure is complicated for the kirsite bracket 3, and
Material needs zinc alloy diecasting to form, and assembling procedure is cumbersome, and after being completed, if there is quality problem in pcb board 2 or stator 1,
It can only scrap, not reworkable, cost of manufacture is higher；
2) stator 1 needs powder on electrostatic to coat, and coating is more demanding, is easy to appear local pin hole, and insulation performance is poor after coiling,
Cause disqualification rate higher；
3) coating of stator 1 is there are seriously polluted, not environmentally the problem of.
Summary of the invention
The present invention in order to solve the above problems existing in the present technology, provides a kind of fan brushless motor, existing to solve
There is brushless motor, stator need to be supported by kirsite bracket, so that assembling procedure is cumbersome, quality problem easily occurs, and stator needs
Want the technical problems such as powder coating processing on electrostatic.
To achieve the above object, the present invention provides a kind of fan brushless motors, including casing front end described in casing, buckle closure
The front cover of opening, and setting are formed by the intracorporal stator of motor cavity, rotor and pcb board, the rotor in casing and front cover
Including shaft, the glue for being attached to the magnet frame of rounded cover shape in the shaft and being fixedly mounted on the intrados of the magnet frame
Magnetic, the both ends of the shaft are rotatably sleeved on front cover respectively and the bottom of casing, and before the frame mouth and casing of magnet frame
End opening direction is consistent；The stator is annular in shape, passes through shaft and is vacantly arranged in magnet frame, the two sides difference of the stator
Equipped with the preceding coil holder and rear coil holder for clamping the stator, the coil with stator insulation, institute are wound between the preceding coil holder and rear coil holder
The end for stating rear coil holder extends and is fixedly linked with front cover to be used to support stator and preceding coil holder；The pcb board is set in rear line
The end extension portion of frame, and be fixed on rear coil holder by the first screw.
As present invention further optimization technical solution, the center of the front cover and the bottom centre of casing are respectively equipped with
Bearing chamber is embedded with the bearing for shaft rotation in the bearing chamber.
As present invention further optimization technical solution, the inside that the both ends of the shaft is located at bearing is arranged useful respectively
In the thrust ring of Limit Bearing.
As present invention further optimization technical solution, the rear coil holder is connect with front cover by buckle button bit or screw
It tightens connection or the rear coil holder is connected by handware pre-buried in rear coil holder with front cover.
As present invention further optimization technical solution, the handware structure in a strip shape, the handware of strip structure
It is embedded in the end extension portion of rear coil holder.
As present invention further optimization technical solution, the head of the handware passes through front cover and by laterally rolling over
Curved, bifurcated bending or distortion bending, rear coil holder is fixedly linked with front cover.
As present invention further optimization technical solution, the fan brushless motor further includes vertical core bar, the vertical core
Bar is connected to outside casing and vertical with turn pumping.
As present invention further optimization technical solution, the casing is cylindrical cup-shaped structure.
Fan brushless motor of the invention can achieve it is following the utility model has the advantages that
1) connecting front cover by rear coil holder realizes fixed support to stator, coil around be at the front frame and rear coil holder it
Between, so that be able to maintain good insulating properties between coil and stator, the stator of solution needs the problem of powder coats on electrostatic；
2) it no longer needs to coat process, reduces cost, reduce pollution, and after coiling, stable insulation is more reliable；
3) preceding coil holder is used to combine the structure with fixed stator with rear coil holder, assembling procedure is simple, and stationary part can be repeatedly
Dismantling maintenance, greatly reduces motor product fraction defective.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the stationary part structural schematic diagram of conventional brush-less motor.
In Fig. 1,1, stator, 2, pcb board, 3, kirsite bracket, 4, front motor cover.
Fig. 2 is the decomposition texture schematic diagram for the example that fan brushless motor of the invention provides；
Fig. 3 is the rear wire frame structure schematic diagram with button bit；
Fig. 4 is that rear coil holder and front cover pass through buckle button bit connection schematic diagram；
Fig. 5 is the rear wire frame structure schematic diagram of the first screw hole of band；
Fig. 6 is that rear coil holder and front cover pass through the first screw tightening connection schematic diagram；
Fig. 7 is the structural schematic diagram of handware；
Fig. 8 is the pre-buried structure schematic diagram of handware；
Fig. 9 is the structural schematic diagram that handware lateral bending is fixed；
Figure 10 is the structural schematic diagram that handware distorts that bending is fixed；
Figure 11 is the structural schematic diagram that the bending of handware bifurcated is fixed.
In Fig. 2 Fig. 7: 1, bearing chamber, 2, casing, 3, bearing, 4, glue magnetic, 5, stator, 6, pcb board, 7, front cover, 8, thrust
Ring, the 9, first screw, 10, rear coil holder, 11, preceding coil holder, 12, magnet frame, 13, shaft, 14, vertical core bar, 15, handware, 16, button
Position, 17, screw hole, the 18, second screw.
The object of the invention is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention is described further.Drawn in preferred embodiment
Such as "upper", "lower", "left", "right", " centre " and " one " term, only being illustrated convenient for narration, rather than to limit
The enforceable range of the present invention, relativeness are altered or modified, under the content of no substantial changes in technology, when being also considered as this hair
Bright enforceable scope.
As shown in Fig. 2, fan brushless motor includes the front cover 7 of casing 2,2 front opening of casing described in buckle closure, and setting
It is formed by the intracorporal stator 5 of motor cavity, rotor and pcb board 6 in casing 2 and front cover 7, the rotor includes shaft 13, set company
The magnet frame 12 of rounded cover shape and the glue magnetic 4 being fixedly mounted on the intrados of the magnet frame 12, described in the shaft 13
The both ends of shaft 13 are rotatably sleeved on front cover 7 respectively and the bottom of casing 2, and before the frame mouth of magnet frame 12 and casing 2
End opening direction is consistent；The stator 5 is annular in shape, passes through shaft 13 and is vacantly arranged in magnet frame 12, the two of the stator 5
Side is respectively equipped with the preceding coil holder 11 and rear coil holder 10 for clamping the stator 5, is wound with and determines between the preceding coil holder 11 and rear coil holder 10
The end of the coil of 5 insulation of son, the rear coil holder 10 extends and is fixedly linked with front cover 7 to be used to support stator 5 and preceding coil holder
11；The pcb board 6 is set in the end extension portion of rear coil holder 10, and is fixed on rear coil holder 10 by the first screw 9.Tool
Body, the casing 2 is cylindrical cup-shaped structure.
5 part of stator of the invention is clamped and fixed stator 5 by preceding coil holder 11 and rear coil holder 10, and coil is around being at the front
Between frame 11 and rear coil holder 10, to ensure that the insulating properties between coil and stator 5, so that stator 5 no longer needs to do electrostatic
Coating processing；In assembling process, rear coil holder 10, which can be used, to be done step and limits and pass through 9 Guan County of the first screw mounted in pcb board 6, group
Dress is easy；The end of coil holder 10 has extension afterwards, is connect by extension with front cover 7, to play a left side for support stator 5
The right side greatly drops so that 5 part of stator being made of stator 5, pcb board 6, preceding coil holder 11 and rear coil holder 10, can disassemble maintenance repeatedly
Low motor product fraction defective.
In specific implementation, the center of the front cover 7 and the bottom centre of casing 2 are respectively equipped with bearing chamber 1, the bearing chamber
The bearing 3 rotated for shaft 13 is embedded in 1, the inside that 13 both ends of shaft are located at bearing 3 is arranged with respectively for limiting
The thrust ring 8 of position bearing 3, thrust ring 8 had not only prevented bearing 3 from deviating from from bearing chamber 1, but also can limit entire rotor in motor
Position.
In specific implementation, by buckling, button bit is connect the rear coil holder 10 or screw 9 tightens connection, Huo Zhesuo with front cover 7
Rear coil holder 10 is stated to be connected by handware 15 pre-buried in rear coil holder 10 with front cover 7.As shown in Figure 3 and Figure 4, when using buckle button
When the connection of position, the end of rear coil holder 10 is equipped with button bit 16, and front motor cover 7 is equipped with notch corresponding with button bit 16, when installation
The button bit 16 passes through on front cover 7 notch, then rotates so that button bit clasps front cover 7, finally pressure 7 indentation, there of front cover is preset
Boss can prevent rear coil holder 10 from rotating.As shown in Figure 5 and Figure 6, when using screw tightening connection, the end of rear coil holder 10
It the screw hole 17 is penetrated by the second screw 18 equipped with screw hole 17, when installation is directly locked with front cover 7 and connected.Specific implementation
In, the handware 15 structure in a strip shape, the handware 15 of strip structure is embedded in the end extension portion of rear coil holder 10, such as schemes
Shown in 7 and Fig. 8, the quantity of pre-buried handware 15 is at least three pieces, and the successively interval of all handwares 15 is simultaneously distributed in a ring.Afterwards
When coil holder 10 is molded, hardware terminal is put into die for molding, so that handware 15 is embedded in rear coil holder 10.
The head of the handware 15 passes through front cover 7 and by lateral bending, bifurcated bending or distortion bending, by rear line
Frame 10 is fixedly linked with front cover 7.
As shown in figure 9, it is the embodiment that is fixed of 15 lateral bending of handware, in the embodiment, handware 15 is worn
After crossing front cover 7, the lateral side bending in head, so that it clasps front cover 7.
As shown in Figure 10, the embodiment that is fixed of bending is distorted for handware 15, in the embodiment, handware 15 is passed through
After front cover 7, twisting handware 15 is contacted with rear cover, so that it clasps front cover 7, the head of handware 15 need to do gradient processing,
Not only facilitate installation to twist, but also can guarantee and firmly install；
As shown in figure 11, the embodiment being fixed for 15 bifurcated bending of handware, in the embodiment, handware 15 is passed through
It after front cover 7, will contact to two sides bending and after the bifurcated of head with rear cover, so that it clasps front cover 7, the head of handware 15 is needed
Do bifurcated processing.
In specific implementation, the fan brushless motor further includes vertical core bar 14, and the vertical core bar 14 is connected to outside casing 2
And it is vertical with pumping is turned, when in the mechanism that motor is fitted into the work of fan, the vertical core bar 14 is for limiting and playing fixed motor
Effect.
Fan brushless motor of the invention, the two sides of stator 5 are respectively equipped with the preceding coil holder 11 and rear line for clamping the stator 5
Frame 10, be wound between preceding coil holder 11 and rear coil holder 10 with stator 5 insulate coil, it is described after coil holder 10 end extend and with it is preceding
Lid 7 is fixedly linked to be used to support stator 5 and preceding coil holder 11, forms stator 5 using by stator 5, preceding coil holder 11 and rear coil holder 10
Part can keep good insulation performance between stator 5 by 10 coiling of preceding coil holder 11 and rear coil holder, and it is fixed to solve
Son 5 needs the problem of coating insulation, reduces cost, reduces pollution；For supporting the rear coil holder 10 of stator 5 directly to consolidate with front cover 7
Fixed connection, connection type has the connection of buckle button bit or screw 9 tightens connection, or by handware 15 pre-buried in rear coil holder 10 and
Front cover 7 is connected, by the assembling mode, so that 5 part of stator of motor can disassemble maintenance repeatedly, to greatly reduce motor
Finished product fraction defective.
Although specific embodiments of the present invention have been described above, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and substance of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (8)
1. a kind of fan brushless motor, the front cover including casing front opening described in casing, buckle closure, and setting are in casing with before
Lid is formed by the intracorporal stator of motor cavity, rotor and pcb board, and the rotor includes shaft, is attached in the shaft in circle
The magnet frame of shape cover shape and the glue magnetic being fixedly mounted on the intrados of the magnet frame, the both ends of the shaft rotationally cover respectively
It is located on front cover and the bottom of casing, and the frame mouth of magnet frame is consistent with the front opening direction of casing, which is characterized in that described fixed
It is sub annular in shape, it passes through shaft and is vacantly arranged in magnet frame, the two sides of the stator are respectively equipped with the front for clamping the stator
Frame and rear coil holder, are wound with the coil with stator insulation between the preceding coil holder and rear coil holder, the end of the rear coil holder extends simultaneously
It is fixedly linked with front cover to be used to support stator and preceding coil holder；The pcb board is set in the end extension portion of rear coil holder, and leads to
The first screw is crossed to be fixed on rear coil holder.
2. fan brushless motor according to claim 1, which is characterized in that in the center of the front cover and the bottom of casing
The heart is respectively equipped with bearing chamber, and the bearing for shaft rotation is embedded in the bearing chamber.
3. fan brushless motor according to claim 2, which is characterized in that the both ends of the shaft is located at the inside point of bearing
It is not arranged with the thrust ring for Limit Bearing.
4. fan brushless motor according to claim 3, which is characterized in that coil holder and front cover pass through buckle button bit after described
Connection or screw tightening connection or the rear coil holder are connected by handware pre-buried in rear coil holder with front cover.
5. fan brushless motor according to claim 4, which is characterized in that the handware structure in a strip shape, strip knot
The handware of structure is embedded in the end extension portion of rear coil holder.
6. fan brushless motor according to claim 5, which is characterized in that the head of the handware passes through front cover and leads to
Lateral bending, bifurcated bending or distortion bending are crossed, rear coil holder is fixedly linked with front cover.
7. fan brushless motor according to any one of claims 1 to 6, which is characterized in that the fan brushless motor is also
Including founding core bar, the vertical core bar is connected to outside casing and vertical with turn pumping.
8. fan brushless motor according to claim 7, which is characterized in that the casing is cylindrical cup-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266467.5A CN109245372B (en) | 2018-10-29 | 2018-10-29 | Brushless motor of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266467.5A CN109245372B (en) | 2018-10-29 | 2018-10-29 | Brushless motor of fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109245372A true CN109245372A (en) | 2019-01-18 |
| CN109245372B CN109245372B (en) | 2023-10-20 |
Family
ID=65078829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266467.5A Active CN109245372B (en) | 2018-10-29 | 2018-10-29 | Brushless motor of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245372B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203301249U (en) * | 2013-06-21 | 2013-11-20 | 陈荣纯 | Novel external rotary motor |
| CN203387324U (en) * | 2013-07-18 | 2014-01-08 | 余祖彪 | Sound-wave motor |
| CN203775003U (en) * | 2014-03-24 | 2014-08-13 | 中山大洋电机制造有限公司 | Direct-current brushless outer rotor motor and air blower of application thereof |
| CN204103727U (en) * | 2014-06-27 | 2015-01-14 | 甘琪 | A kind of three-phase brushless DC fan motor |
| KR20160118457A (en) * | 2015-04-01 | 2016-10-12 | 계양전기 주식회사 | Brushless motor having stator with stable arrangement of coil |
| CN106992619A (en) * | 2017-04-26 | 2017-07-28 | 锐奇控股股份有限公司 | A kind of brushless electric machine and its stator |
| CN208835873U (en) * | 2018-10-29 | 2019-05-07 | 深圳市艺峰马达配件有限公司 | A kind of fan brushless motor |
-
2018
- 2018-10-29 CN CN201811266467.5A patent/CN109245372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203301249U (en) * | 2013-06-21 | 2013-11-20 | 陈荣纯 | Novel external rotary motor |
| CN203387324U (en) * | 2013-07-18 | 2014-01-08 | 余祖彪 | Sound-wave motor |
| CN203775003U (en) * | 2014-03-24 | 2014-08-13 | 中山大洋电机制造有限公司 | Direct-current brushless outer rotor motor and air blower of application thereof |
| CN204103727U (en) * | 2014-06-27 | 2015-01-14 | 甘琪 | A kind of three-phase brushless DC fan motor |
| KR20160118457A (en) * | 2015-04-01 | 2016-10-12 | 계양전기 주식회사 | Brushless motor having stator with stable arrangement of coil |
| CN106992619A (en) * | 2017-04-26 | 2017-07-28 | 锐奇控股股份有限公司 | A kind of brushless electric machine and its stator |
| CN208835873U (en) * | 2018-10-29 | 2019-05-07 | 深圳市艺峰马达配件有限公司 | A kind of fan brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109245372B (en) | 2023-10-20 |
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