CN207766124U - A kind of outer rotor brushless motor - Google Patents
A kind of outer rotor brushless motor Download PDFInfo
- Publication number
- CN207766124U CN207766124U CN201721629813.2U CN201721629813U CN207766124U CN 207766124 U CN207766124 U CN 207766124U CN 201721629813 U CN201721629813 U CN 201721629813U CN 207766124 U CN207766124 U CN 207766124U
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- China
- Prior art keywords
- rotor
- bearing
- central shaft
- outer ring
- brushless motor
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- Brushless Motors (AREA)
Abstract
The utility model proposes a kind of outer rotor brushless motors, including fore bearing, rotor protecgulum, stator coil, rotor outer ring, central shaft, rotor rear cover and rear bearing.The outer ring of fore bearing is closely connected with rotor protecgulum；Rotor protecgulum is closely connected with rotor outer ring；Stator coil is fixedly connected with central shaft；Rotor outer ring is closely connected with rotor rear cover；The inner ring of central shaft and rear bearing is closely connected；Rotor rear cover and the outer ring of rear bearing are closely connected；In this way so that fore bearing, rotor protecgulum, rotor outer ring, central shaft, rotor rear cover and rear bearing form a closed space, so that the motor has good water proof and dust proof characteristic.
Description
Technical field
The utility model is related to a kind of outer rotor brushless motor more particularly to a kind of outer rotors with water proof and dust proof characteristic
Brushless motor.
Background technology
With the continuous development of robot technology, especially unmanned air vehicle technique and industry, the related production such as robot, unmanned plane
Industry is also higher and higher for the performance requirement of motor.For example, in existing unmanned plane product, most of used motor is all
Do not have reliable water proof and dust proof performance so that current unmanned plane product is in application scenarios, performance etc. by non-
Often big restriction, under the weather conditions such as sand and dust, sleet or under the agricultural plant protections scene such as spray insecticide, the motor of unmanned plane
Be very easy to break down, to affect the dynamical system of unmanned plane, cause unmanned plane can not normal use, serious situation
Under possibly even lead to unmanned plane ground out of hand of falling, it is further to damage unmanned plane and its airborne expensive instrument.Cause
This is in order to improve the reliability of robot and unmanned plane and extend its application scenarios, it is necessary to the reliability of used motor is improved,
It is set to have perfect water proof and dust proof performance.
Utility model content
Outer rotor brushless motor generally using Open architecture or has the semi-closed structure in gap to design at present, does not have anti-
The dust-proof ability of water.It is easy to cause the destruction of internal corrosion and insulation with the intrusions such as corrosive salt-containing liquid or soda acid, makes
Decline at performance and damages.Particle foreign matter enters motor and is also easy to cause rotor and stator generation friction or stuck, especially iron
Magnetic particle is easily sucked and can not be discharged by p-m rotor, rapidly results in motor failure.To environmental suitability and product
The occasion that reliability has higher requirements, motor must could meet corresponding requirement with enough dustproof and waterproof grades.
The problem of the utility model is exactly for the above-mentioned prior art, it is proposed that a kind of outer rotor brushless motor,
Because using closed design, therefore the motor has extraordinary water proof and dust proof performance.
One side according to the present utility model, before providing a kind of outer rotor brushless motor, including fore bearing, rotor
Lid, stator coil, rotor outer ring, central shaft, rotor rear cover and rear bearing.The outer ring of fore bearing is fitted close with rotor protecgulum to be connected
It connects；Rotor protecgulum is closely connected with rotor outer ring；Stator coil is fixedly connected with central shaft；Rotor outer ring and rotor
Rear cover is closely connected；The inner ring of central shaft and rear bearing is closely connected；Rotor rear cover and the outer ring of rear bearing are close
It is connected；In this way so that fore bearing, rotor protecgulum, rotor outer ring, central shaft, rotor rear cover and rear bearing form a closure
Space.
Preferably, which further includes stator support, and central shaft is connected with stator support, stator support
It is connected again with stator coil.Preferably, central shaft is a Step Shaft.
Preferably, which further includes power output shaft, the outer ring of power output shaft and fore bearing or
Rotor protecgulum is closely connected.
Preferably, power output shaft further includes flange arrangement, is fitted close by the flange arrangement and rotor protecgulum
Connection closes fore bearing from technique effect.
Preferably, the lead-out wire of stator coil passes through the inner ring of central shaft and rear bearing, and central shaft may be used hollow
Structure.
Preferably, the lead-out wire of stator coil passes through the inner ring of stator support, central shaft and rear bearing.
Preferably, rear bearing is closing bearing, can be sealed-bearing or bearing oiling seal structure.
Hereafter by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, to the above-mentioned of outer rotor brushless motor
Characteristic, technical characteristic, advantage and its realization method are further described.
Description of the drawings
The following drawings only does schematic illustration and explanation to the utility model, does not limit the scope of the utility model.
Fig. 1 is a kind of isometric exploded view of outer rotor brushless motor of one embodiment according to the present utility model.
Fig. 2 is a kind of three-dimensional signal of half assembling of outer rotor brushless motor of one embodiment according to the present utility model
Figure.
Fig. 3 is a kind of sectional view of outer rotor brushless motor of one embodiment according to the present utility model.
Reference numeral
1 power output shaft
2 fore bearings
3 rotor protecgulums
4 stator coils
5 stator supports
6 rotor outer rings
7 central shafts
8 rotor rear covers
Bearing after 9
10 stator coil lead-out wires
Specific implementation mode
In order to which the technical features, objects and effects to utility model are more clearly understood, now control illustrates this
The specific implementation mode of utility model, in the various figures identical label indicate that structure is identical or structure is similar but the identical portion of function
Part.
Herein, " schematic " expression " serving as example, example or explanation " should not will be described herein as " showing
Any diagram, the embodiment of meaning property " are construed to a kind of preferred or more advantageous technical solution.
To make simplified form, only schematically shown in each figure with the relevant part of the utility model, they are not
Represent its practical structures as product.In addition, to make simplified form be easy to understand, there is identical structure or work(in some figures
The component of energy, only symbolically depicts one of those, or only marked one of those.
Herein, "one" not only indicates " only this ", can also indicate the situation of " more than one ".Herein
In, " first ", " second " etc. are only used for mutual differentiation, rather than significance level and the sequence etc. for indicating them.
Fig. 1 is a kind of isometric exploded view of outer rotor brushless motor of one embodiment according to the present utility model.Fig. 2
It is a kind of half assembling schematic perspective view of outer rotor brushless motor of one embodiment according to the present utility model.Fig. 3 is basis
A kind of sectional view of the outer rotor brushless motor of one embodiment of the utility model.With reference to Fig. 1, Fig. 2, Fig. 3 to this reality
It is described in detail with novel specific implementation mode.
As shown, one embodiment according to the present utility model, a kind of outer rotor brushless motor, including stator coil 4,
Central shaft 7 and rotor protecgulum 3, rotor outer ring 6 and rotor rear cover 8 and fore bearing 2 and rear bearing 9.As shown in Figure 1, knot
Fig. 2 and Fig. 3 is closed, stator coil 4, central shaft 7 are grouped together, and constitute stator component.
Rotor protecgulum 3, rotor outer ring 6 and rotor rear cover 8, combine, and constitute rotor part.Rotor protecgulum 3 and turn
Sub- outer ring 6 is closely connected, and rotor outer ring 6 is closely connected with rotor rear cover 8 again.Central shaft 7 also in rear bearing 9
Circle is closely connected.The outer ring of fore bearing 2 is closely connected with rotor protecgulum 3, and inner ring and the central shaft 7 of fore bearing 2 connect
It connects.
In this way, rotor protecgulum 3, rotor outer ring 6 and rear cover 8, combine, rotor part is constituted；Stator coil 4, in
Mandrel 7 is grouped together, and constitutes stator component；Stator component is included in inside by rotor part, and passes through fore bearing 2 and rear bearing
9, constitute the shell of a closure.
Preferably, rear bearing 9 is closing bearing, such as the structure sealed using sealed-bearing or bearing oiling, by motor
Back-end closure.Preferably, motor further includes power output shaft 1, is fitted close with the outer ring of fore bearing 2 or rotor protecgulum 3
Connection, motor export power outward by power output shaft 1.Preferably, power output shaft 1 is fixed on outside the fore bearing 2 of protecgulum,
Fore bearing 2 is completely enclosed.It is highly preferred that power output shaft 1 further includes flange arrangement or similar flange arrangement, by it and turn
Sub- protecgulum 3 is closely connected, and fore bearing 2 is completely enclosed, to prevent water or dust etc. from entering motor by fore bearing 2
It is internal.
In addition, as shown in Fig. 2, the lead-out wire 10 of stator coil 4 passes through hollow central shaft 7, due to central shaft 7 and rear axle
It holds 9 inner ring to be closely connected, therefore is also correspondingly pierced by from rear bearing 9, the threading on lead-out wire 10 and central shaft 7
Hole is completely enclosed using realizations such as rubber components or silica gel.
Preferably, stator coil 4 is connected together by stator support 5 with central shaft 7, constitutes stator component.At this point, fixed
The lead-out wire 10 of subcoil 4 initially passes through stator support 5, then passes through hollow central shaft 7, and be correspondingly pierced by from rear bearing 9,
Threading hole on lead-out wire 10 and central shaft 7 is completely enclosed using realizations such as rubber components or silica gel.Preferably, central shaft 7 is
Step Shaft, as shown in Figure 1.
Preferably, rear bearing 9 is using closing bearing, such as sealed-bearing or bearing oiling envelope etc..
After assembly is completed, the outer rotor brushless motor of one embodiment according to the present utility model is as shown in figure 3, constitute
The structure of one closure, to achieve the purpose that water proof and dust proof.
Be used it should be appreciated that the file being cited herein is only for reference, and not comprising it is any its may be with this paper's
Conflicting content.
It should be appreciated that although this specification describes according to various embodiments, not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiment of understanding.
The series of detailed descriptions listed above only for the utility model possible embodiments it is specific
Illustrate, they are all without departing from made by the utility model skill spirit etc. not to limit the scope of protection of the utility model
Effect embodiment or change should be included within the scope of protection of this utility model such as the combination, segmentation or repetition of feature.
Claims (8)
1. a kind of outer rotor brushless motor, which is characterized in that including fore bearing (2), rotor protecgulum (3), stator coil (4), turn
Sub- outer ring (6), central shaft (7), rotor rear cover (8) and rear bearing (9),
The outer ring of the fore bearing (2) is closely connected with the rotor protecgulum (3)；
The rotor protecgulum (3) is closely connected with the rotor outer ring (6)；
The stator coil (4) is fixedly connected with the central shaft (7)；
The rotor outer ring (6) is closely connected with the rotor rear cover (8)；
The central shaft (7) and the inner ring of the rear bearing (9) are closely connected；
The rotor rear cover (8) and the outer ring of the rear bearing (9) are closely connected；
It is in this way so that the fore bearing (2), the rotor protecgulum (3), the rotor outer ring (6), the central shaft (7), described
Rotor rear cover (8) and the rear bearing (9) form a closed space.
2. brushless motor according to claim 1, which is characterized in that further include stator support (5), the central shaft (7)
It is connected with the stator support (5), the stator support (5) is connected with the stator coil (4) again.
3. brushless motor according to claim 2, which is characterized in that the central shaft (7) is a Step Shaft.
4. according to the brushless motor described in claim 1-3 any one, which is characterized in that further include power output shaft (1), institute
The outer ring or the rotor protecgulum (3) for stating power output shaft (1) and the fore bearing (2) are closely connected.
5. brushless motor according to claim 4, which is characterized in that the power output shaft (1) includes flange arrangement, is led to
The flange arrangement is crossed to be closely connected with the rotor protecgulum (3).
6. brushless motor according to claim 1, which is characterized in that the lead-out wire (10) of the stator coil (4) passes through
The inner ring of the central shaft (7) and the rear bearing (9).
7. brushless motor according to claim 2 or 3, which is characterized in that the lead-out wire (10) of the stator coil (4) is worn
Cross the inner ring of the stator support (5), the central shaft (7) and the rear bearing (9).
8. according to the brushless motor described in claim 1-3 any one, which is characterized in that bearing (9) is closing axis after described
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629813.2U CN207766124U (en) | 2017-11-29 | 2017-11-29 | A kind of outer rotor brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629813.2U CN207766124U (en) | 2017-11-29 | 2017-11-29 | A kind of outer rotor brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766124U true CN207766124U (en) | 2018-08-24 |
Family
ID=63188970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629813.2U Active CN207766124U (en) | 2017-11-29 | 2017-11-29 | A kind of outer rotor brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766124U (en) |
-
2017
- 2017-11-29 CN CN201721629813.2U patent/CN207766124U/en active Active
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