CN209088713U - A kind of outer rotor EC motor - Google Patents
A kind of outer rotor EC motor Download PDFInfo
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- CN209088713U CN209088713U CN201821855326.2U CN201821855326U CN209088713U CN 209088713 U CN209088713 U CN 209088713U CN 201821855326 U CN201821855326 U CN 201821855326U CN 209088713 U CN209088713 U CN 209088713U
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- end cap
- spiral case
- motor
- outer rotor
- boss
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Abstract
The utility model provides a kind of outer rotor EC motor, including motor body and spiral case, it further include the end cap to connect motor body and spiral case, end cap include to be connected with motor body end cap ontology, the connecting shaft to be connected with spiral case, the first boss to install connecting shaft, and the second boss to connection end cap ontology and first boss；End cap is the rotary structure being coaxially disposed with motor body and spiral case.Outer rotor EC motor provided by the utility model, structure are simple, easy to connect reliable, it can be ensured that motor body and spiral case concentricity with higher, it is possible thereby to promote the transmission efficiency between motor body and spiral case, reduce starting noise.
Description
Technical field
The utility model relates to rotor electric machine technical fields, more specifically to a kind of outer rotor EC motor.
Background technique
It is well known that motor is the powering device for being widely used in ventilation industry.In the prior art, shaft coupling is mostly used greatly
EC motor and spiral case are connected, due to connecting using shaft coupling, the concentricity between spiral case and EC motor is unable to get effective guarantor
Card, is also easy to produce starting noise.
Therefore, how to realize EC motor and spiral case it is coaxially connected, improve transmission efficiency between the two, reduce starting and make an uproar
The technical issues of sound is those skilled in the art's urgent need to resolve.
Utility model content
The purpose of the utility model is to provide a kind of outer rotor EC motor, structure is simple, is convenient to mount and dismount, it can be ensured that electricity
Machine ontology and spiral case are coaxially connected.
The utility model provides a kind of outer rotor EC motor, including motor body and spiral case, further includes described to connect
The end cap of motor body and the spiral case, the end cap include to be connected with the motor body end cap ontology, to
The connected connecting shaft of the spiral case, the first boss to install the connecting shaft, and to connect the end cap ontology with
The second boss of the first boss；The end cap is the revolving body knot being coaxially disposed with the motor body and the spiral case
Structure.
Preferably, the end cap ontology is integrated and connect with the connecting shaft, the first boss and the second boss.
Preferably, the outer peripheral surface of the connecting shaft is installed at least three mounting blocks, and all the mounting blocks are along the company
The circumferential direction of spindle is uniformly distributed.
Preferably, the end cap ontology is split type structure, including body and cap, the body pass through with the cap
Screw is detachably connected.
Preferably, the inside of the end cap is equipped with circuit board installation cavity and heat dissipation cavity, and the circuit board installation cavity is to pacify
Device, circuit board and it is set to the end cap body interior, the heat dissipation cavity is set to the connecting shaft, the first boss and described the
The inside of two boss, the circuit board installation cavity are communicated with the heat dissipation cavity.
Preferably, the end cap ontology is equipped with the multiple U-shaped deep gouges being uniformly distributed circumferentially, the bottom surface of the U-shaped deep gouge
Equipped with the screw hole to be connected by screw with the motor body.
Preferably, rectangular deep gouge, the institute immediately below the rectangular deep gouge are additionally provided between the adjacent two U-shaped deep gouges
State the radiating aluminium sheet being equipped in circuit board installation cavity to radiate to the circuit board.
Compared with above-mentioned background technique, the utility model provides a kind of outer rotor EC motor, including motor body, spiral case and
To connect the end cap of motor body and spiral case, end cap is the rotary structure being coaxially disposed with motor body and spiral case, packet
Connecting shaft, first boss, second boss and end cap ontology are included, connecting shaft is inserted in the inner cavity of spiral case connecting pin, utilizes flat key
Or realize the connection between connecting shaft and spiral case by the way that link block is arranged in connecting shaft, thus assure that end cap ontology with
Motor body coaxial arrangement, the connection of end cap ontology and motor body is realized by connectors such as screws.So, work as motor
When ontology operates, under the connection function of end cap, so that spiral case and motor body rotate synchronously.It can be seen that the utility model
Provided outer rotor EC motor, structure is simple, easy to connect reliable, may insure that motor body and spiral case have after installation
Higher concentricity, it is possible thereby to promote the transmission efficiency between motor body and spiral case, reduce starting noise.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of outer rotor EC motor provided by the utility model；
Fig. 2 is the structural schematic diagram of end cap in Fig. 1；
Fig. 3 is the main view of Fig. 2.
Wherein, 1- motor body, 2- spiral case, 3- end cap, 31- end cap ontology, 311- body, 312- cap, 313-U shape
Deep gouge, 314- screw hole, the rectangular deep gouge of 315-, 32- connecting shaft, 321- mounting blocks, 33- first boss, 34- second boss.
Specific embodiment
The core of the utility model is to provide a kind of outer rotor EC motor, solves and connects knot between motor body and spiral case
The problem that structure is complicated, concentricity is poor, starting noise is big.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is the structural schematic diagram of outer rotor EC motor provided by the utility model；
Fig. 2 is the structural schematic diagram of end cap in Fig. 1；Fig. 3 is the main view of Fig. 2.
The utility model, which provides, turns EC motor, including motor body 1, spiral case 2 and end cap 3 outside one kind, end cap 3 is set to motor
Between ontology 1 and spiral case 2, act to connect motor body 1 and spiral case 2, end cap 3 include end cap ontology 31, first boss 33,
Second boss 34 and connecting shaft 32, end cap ontology 31 are connected with motor body 1 by connectors such as bolts, and connecting shaft 32 inserts
In the inner casing of spiral case 2, it is connected by the mounting blocks 321 on flat key or connecting shaft 32 with spiral case 2, connecting shaft 32 is installed on
In first boss 33, second boss 34 is connected between end cap ontology 31 and first boss 33, end cap 3 be with motor body 1 and
The rotary structure that spiral case 2 is coaxially disposed.
During installation, 3 one end of end cap is connected by connecting shaft 32 with spiral case 2, and the other end passes through end cap ontology 31 and motor
Ontology 1 is connected, by guaranteeing the concentricity of end cap 3 and motor body 1 and spiral case 2, may be implemented end cap 3 and motor body 1 and
Spiral case 2 it is coaxially connected, which thereby enhance the concentricity that end cap 3 is connect with motor body 1 and spiral case 2, improve transmission efficiency,
It improves the stationarity of transmitting, reduce starting noise.In addition, end cap 3 is only by connecting shaft 32, first boss 33, second boss 34
And end cap ontology 31 is constituted, simple structure and convenient processing, use cost are low.
For considering for raising 3 intensity of end cap, above-mentioned end cap ontology 31, connecting shaft 32, first boss 33 and second boss
34 are integrated connection, the processing that is, end cap ontology 31 and connecting shaft 32, first boss 33 and second boss 34 are integrally formed.
It is connected between above-mentioned connecting shaft 32 and spiral case 2 by mounting blocks 321, specifically, the outer peripheral surface of connecting shaft 32 is set
There are at least three mounting blocks 321, mounting blocks 321 are preferably rectangular configuration, the outer peripheral surface of connecting shaft 32 are fixedly arranged on, that is, even
Spindle 32 is an integral structure with each mounting blocks 321, and whole mounting blocks 321 are along the circumferentially distributed of connecting shaft 32, preferably along even
The circumferential direction of spindle 32 is uniformly distributed.Corresponding, it is equipped in the inner hole of spiral case 2 along its circumferential equally distributed slot, it is excellent
It is selected as the rectangular slot matched with rectangle mounting blocks 321, so, mounting blocks 321 are equivalent to flat key, and the connection for playing key is made
With under the action of mounting blocks 321, being able to that spiral case 2 and motor body 1 is driven to rotate synchronously when motor body 1 rotates.
Above-mentioned end cap ontology 31 is split type structure comprising body 311 and cap 312, cap 312 and body 311 are logical
It crosses screw to be detachably connected, the split type structure of end cap ontology 31, it not only can be high to avoid the scrappage caused by overall structure
The problem of, and can be convenient the inside that circuit board is installed on to end cap ontology 31.
Specifically, the inside of end cap 3 is equipped with circuit board installation cavity and heat dissipation cavity, and circuit board installation cavity is set to end cap ontology
31 inside, heat dissipation cavity are the inner cavity opened up through connecting shaft 32, first boss 33 and second boss 34, heat dissipation cavity and electricity
Road plate installation cavity is connected.Circuit board installation cavity is equipped with circuit board, and circuit board is specifically installed on the inner wall of circuit board installation cavity
On, each conducting wire on circuit board is pierced by inside end cap 3 by heat dissipation cavity, and heat dissipation cavity also has the function of heat dissipation, to reduce
The surface temperature of circuit board extends the service life of circuit board.
That is, circuit board enters body 311 and is mounted in circuit board installation cavity via the opening of end cap 3
On wall, the electric wire on circuit board is pierced by inside end cap 3 by heat dissipation cavity, and heat dissipation cavity is the heat generated when circuit board works
Heat dissipation channel is provided, the heat gathered in heat dissipation cavity can rapidly be distributed into ambient enviroment, to reduce circuit board
Heat, the service life for extending circuit board.
Above-mentioned motor body 1 is connected by screw to end cap ontology 31, and specifically, end cap ontology 31 is equipped with multiple U-shapeds
Deep gouge 313, the bottom surface of U-shaped deep gouge 313 offers screw hole 314, corresponding, and motor body 1 is equipped with and U-shaped deep gouge 313
Multiple screw holes of coaxial arrangement, when installation, the screw hole 314 on end cap ontology 31 corresponds to the screw hole on motor body 1,
End cap ontology 31 is connected with motor body 1 using screw.It, can be with by opening up screw hole 314 in the bottom surface of U-shaped deep gouge 313
Reduce reach, the integral strength for improving end cap ontology 31, the weight for mitigating end cap ontology 31.In addition, U-shaped deep gouge 313 and
Screw hole 314, the preferably circumferential direction along end cap ontology 31 are uniformly distributed, with facilitate U-shaped deep gouge 313 and screw hole 314 plus
Work, and improve the aesthetics of 31 external form of end cap ontology.
In order to further increase the radiating efficiency to circuit board, rectangular deep gouge can be further opened up on end cap ontology 31
315, the structure of the rectangular deep gouge 315 can also be the shapes such as round, U-shaped, polygon, rectangular deep gouge 315 can reduce wall thickness,
Improve heat dissipation performance.In addition, being additionally provided with radiating aluminium sheet in the underface of rectangular deep gouge 315, circuit board installation cavity, being attached at
The inner wall of circuit board installation cavity can be distributed the heat on circuit board in time to outer using the good heat transfer property of aluminium flake
In boundary's environment, so that circuit board maintains good performance.
It can be seen from the above, the utility model utilizes the end cap 3 with integral type rotary structure, Lai Shixian motor body 1
With being co-axially mounted for spiral case 2；By the detachable structure for being designed to be made of body 311 and cap 312 by end cap ontology 31, and
And the circuit board installation cavity communicated and heat dissipation cavity are opened up inside end cap 3, to meet the installation and radiating requirements of circuit board, and
The cabling demand of conducting wire.
Outer rotor EC motor provided by the utility model is described in detail above.It is used herein specifically a
Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand
With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this
Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen
Enter in the protection scope of the utility model claims.
Claims (7)
1. a kind of outer rotor EC motor, including motor body (1) and spiral case (2), which is characterized in that further include described to connect
The end cap (3) of motor body (1) and the spiral case (2), the end cap (3) include to be connected with the motor body (1)
End cap ontology (31), the connecting shaft (32), first to install the connecting shaft (32) convex to be connected with the spiral case (2)
Platform (33), and the second boss (34) to connect the end cap ontology (31) Yu the first boss (33)；The end cap
(3) rotary structure to be coaxially disposed with the motor body (1) and the spiral case (2).
2. outer rotor EC motor according to claim 1, which is characterized in that the end cap ontology (31), the connecting shaft
(32), the first boss (33) and the second boss (34) are integrated connection.
3. outer rotor EC motor according to claim 2, which is characterized in that the outer peripheral surface of the connecting shaft (32) is installed with
At least three mounting blocks (321), all the mounting blocks (321) are uniformly distributed along the circumferential direction of the connecting shaft (32).
4. outer rotor EC motor according to claim 3, which is characterized in that the end cap ontology (31) is split type knot
Structure, including body (311) and cap (312), the body (311) are detachably connected with the cap (312) by screw.
5. outer rotor EC motor according to claim 4, which is characterized in that the inside of the end cap (3) is equipped with circuit board
Installation cavity and heat dissipation cavity, the circuit board installation cavity is to mounting circuit boards and is set to end cap ontology (31) inside, described
Circuit board installation cavity is communicated with the heat dissipation cavity.
6. outer rotor EC motor according to claim 5, which is characterized in that the end cap ontology (31) is equipped with circumferentially
The bottom surface of multiple U-shaped deep gouges (313) of even distribution, the U-shaped deep gouge (313) is equipped with to by screw and the motor body
(1) connected screw hole (314).
7. outer rotor EC motor according to claim 6, which is characterized in that the U-shaped deep gouge (313) of adjacent two it
Between be additionally provided with rectangular deep gouge (315), in the circuit board installation cavity immediately below the rectangular deep gouge (315) be equipped with to institute
State the radiating aluminium sheet that circuit board radiates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855326.2U CN209088713U (en) | 2018-11-12 | 2018-11-12 | A kind of outer rotor EC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855326.2U CN209088713U (en) | 2018-11-12 | 2018-11-12 | A kind of outer rotor EC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088713U true CN209088713U (en) | 2019-07-09 |
Family
ID=67123594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821855326.2U Active CN209088713U (en) | 2018-11-12 | 2018-11-12 | A kind of outer rotor EC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088713U (en) |
-
2018
- 2018-11-12 CN CN201821855326.2U patent/CN209088713U/en active Active
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