CN206948083U - Dual-axle motor - Google Patents
Dual-axle motor Download PDFInfo
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- CN206948083U CN206948083U CN201720550202.2U CN201720550202U CN206948083U CN 206948083 U CN206948083 U CN 206948083U CN 201720550202 U CN201720550202 U CN 201720550202U CN 206948083 U CN206948083 U CN 206948083U
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- motor shaft
- end cap
- core
- stator
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Abstract
The utility model discloses a kind of dual-axle motor, including motor shaft and the stator module being fixed on motor shaft and the outer rotor component being set on stator module, stator module includes stator coil and stator core, stator core is fixedly mounted on motor shaft, outer rotor component includes rotor core and the end cap installed in rotor core, end cap is set on motor shaft, and connected between end cap and motor shaft using bearing, dust ring is arranged with motor shaft, dust ring is fixed on motor shaft, and dust ring abuts with end cap.Whole motor can be fixed for motor shaft, by stator module and the outer rotor component being enclosed on stator module, allow outer rotor component to be rotated, in addition, being connected using bearing, end cap can be limited rotor core, can be rotated.Dust ring is arranged on motor shaft, and allows dust ring to be abutted with end cap, the gap formed between motor shaft and end cap can be allowed to be sealed, so as to reach dust-proof purpose.
Description
Technical field
A kind of motor is the utility model is related to, more particularly to a kind of dual-axle motor.
Background technology
Motor refers to realize electric energy conversion or a kind of calutron transmitted according to the law of electromagnetic induction.Its main function
It is to be converted into mechanical energy using electric energy, driving torque is produced, as electrical appliance or various mechanical power sources.And blower fan is mostly
Rotated using motor as power source drive blade, there is provided wind-force carries out the priming of air-flow.
In blower fan in use, general blade is mounted in appearance, thus in order to allow blade when mounted can directly with
Motor connection, motor typically use external rotor electric machine, i.e. the shell of motor is rotated, so as to facilitate the installation of blade.Bulletin
Number disclose a kind of external rotor electric machine for CN2399879Y Chinese patent, it include end cap, outer rotor, motor shaft, bearing and
Stator, stator are fixed on motor shaft, and end cap one end is attached by bearing and motor shaft, and the end cap other end is consolidated with outer rotor
It is fixed, when in use, motor shaft is fixed, outer rotor is rotated, and blade is arranged on outer rotor, realizes the peace of blade
Dress.During the use of reality, because end cap position is directly to be attached using bearing and motor shaft, so as to end cap with
Gap between motor shaft be present, so as to which during use, the dust impurity in environment can be entered in bearing, so as to damage
Bearing, motor service life is allowed to reduce.
Utility model content
The purpose of this utility model is to provide a kind of dual-axle motor, and it can prevent dust from entering in bearing, improve axle
The service life held, and then make motor more robust.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of dual-axle motor, including motor shaft and the stator module that is fixed on motor shaft and it is set in stator module
On outer rotor component, the stator module includes stator coil and stator core, and the stator core is fixedly mounted on electricity
On arbor, the stator coil is looped around on stator core, and the outer rotor component includes rotor core and installed in rotor
The end cap of iron core, the end cap are set on motor shaft, and are connected between end cap and motor shaft using bearing, on the motor shaft
Dust ring is arranged with, the dust ring is fixed on motor shaft, and dust ring abuts with end cap.
By using above-mentioned technical proposal, whole motor can be fixed for motor shaft, pass through stator module and set
Outer rotor component on stator module, allows outer rotor component to be rotated, in addition, being connected using bearing, end cap can be incited somebody to action
Rotor core is limited, and can be rotated.Dust ring is arranged on motor shaft, and allows dust ring to be abutted with end cap, energy
The gap formed between motor shaft and end cap is enough allowed to be sealed, so as to reach dust-proof purpose.
The utility model is further arranged to：The dust ring encloses including first lap, transition part and second, and described first
Circle and the second circle are connected by transition part, and the first lap is set on motor shaft, and second circle contradicts with end cap.
By using above-mentioned technical proposal, first lap can allow whole dust ring to be fixed on motor shaft, and second circle with
The conflict of end cap, on the one hand can be by first lap and using the setting of transition part so as to which dust ring can be abutted with end cap
Two circles are attached, and on the other hand can be carried out dust-proof.
The utility model is further arranged to：The transition part is arranged to wave structure.
By using above-mentioned technical proposal, the transition part of wave structure has certain elastic force, so as in first lap
In the case of being fixed, the conflict of the second circle and end cap can be allowed even closer, so as to which sealing is relatively good, further, since
It is elastic construction, therefore, can be bounced back during rotation, so as to reduce abrasion.
The utility model is further arranged to：Centring ring is provided with the motor shaft, the dust ring supports with centring ring
Touch and set.
By using above-mentioned technical proposal, the effect of centring ring is in order to prevent dust ring from retreating, when causing the motor to rotate
Seal failure, contradicted using centring ring, so as to allow dust ring position to fix.
The utility model is further arranged to：Locating slot is provided with the motor shaft, the dust ring is placed in locating slot
It is interior.
By using above-mentioned technical proposal, the effect of locating slot is identical with the effect of centring ring, can select a use, still
It is outer male structure to centring ring, is easily impacted when installing end cap, allows it cannot pass through, but it will not allow motor shaft
It is thinning, the intensity of motor shaft is not interfered with, although the setting of locating slot is more convenient when installing end cap, it can cause electricity
Shaft portion position is thinning, so as to influence the intensity of motor shaft.
The utility model is further arranged to：The rotor core includes shell and iron-core workpiece, and the shell is set in
On iron-core workpiece, the end cap is connected by screw bolts with iron-core workpiece, and the shell is contradicted with end cap and connected.
By using above-mentioned technical proposal, rotor core is divided into shell and iron-core workpiece, shell can be allowed to be changed, from
And in the installation of varying number and the blade of model, shell can accordingly be changed.
The utility model is further arranged to：The motor shaft is arranged to hollow shaft, is provided with and is used on the motor shaft
The first string holes and the second string holes of electric wire are worn, first string holes is disposed adjacent to stator coil position, and second string holes is put
In motor shaft ends.
By using above-mentioned technical proposal, the setting of hollow shaft can allow electric wire to pass through, and the setting of two string holes
Electric wire can be allowed to pass the wire of the stator coil of inside from the first string holes, enter inside motor shaft, pass through the second string holes
Wire is drawn and carries out connecing electricity.
The utility model is further arranged to：The first stopper slot is offered on the stator core, is opened on the motor shaft
Provided with the second stopper slot, connecting key is set between first stopper slot and the second stopper slot.
By using above-mentioned technical proposal, the setting of the first stopper slot and the second stopper slot conveniently enables connecting key to pacify
Put, by the setting of connecting key, allow stator core to be fixed with motor shaft.
In summary, the utility model has the advantages that：1st, by dust ring by between end cap and motor shaft
Gap is sealed, and so as to prevent dust from entering, and then allows the service life of bearing to be unaffected；2nd, entered using transition part
Row is dust-proof, and transition part is arranged into wave structure, allows it to have certain elastic force, makes sealing effectiveness more preferable.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the present embodiment；
Fig. 2 is the sectional view of the present embodiment；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the enlarged drawing at B in Fig. 2.
In figure：1st, motor shaft；11st, centring ring；12nd, locating slot；13rd, the first string holes；14th, the second string holes；15th, second is spacing
Groove；2nd, stator module；21st, stator coil；22nd, stator core；23rd, the first stopper slot；3rd, outer rotor component；31st, rotor core；
32nd, end cap；33rd, shell；34th, iron-core workpiece；4th, bearing；5th, dust ring；51st, first lap；52nd, transition part；53rd, the second circle；6th, even
Connect key.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of dual-axle motor, it is mainly used in blower fan, as depicted in figs. 1 and 2, it includes motor shaft 1 and is fixed on motor
Stator module 2 on axle 1 and the outer rotor component 3 being set on stator module 2, stator module 2 drive outer rotor component 3 to revolve
Turn, fan blade can be installed on outer rotor component 3, so as to form blower fan.Wherein, stator module 2 include stator coil 21 and
Stator core 22, stator core 22 are fixedly mounted on motor shaft 1, and stator coil 21 is looped around on stator core 22.Outer rotor
Component 3 includes rotor core 31 and the end cap 32 installed in rotor core 31, and end cap 32 is set on motor shaft 1, and end cap
Connected between 32 and motor shaft 1 using bearing 4.After the energization of stator coil 21, driving rotor core 31 rotates.Due to motor shaft
Connected between 1 and end cap 32 using bearing 4, and gap be present between motor shaft 1 and end cap 32, in order to allow bearing 4 will not be by
To the influence of dust, dust ring 5 is arranged with motor shaft 1, dust ring 5 is fixed on motor shaft 1, and dust ring 5 and end cap
32 abut.
Wherein, as shown in Figures 2 and 3, dust ring 5 includes first lap 51, the circle of transition part 52 and second 53, first lap 51
And second circle 53 connected by transition part 52, first lap 51 is set on motor shaft 1, and the second circle 53 contradicts with end cap 32.The
One circle 51 can allow whole dust ring 5 to be fixed on motor shaft 1, and the conflict of the second circle 53 and end cap 32 is so as to allowing dust ring 5
It can be abutted with end cap 32, using the setting of transition part 52, on the one hand first lap 51 and second can be enclosed 53 and be attached, separately
On the one hand can carry out dust-proof.It is even closer in order to allow dust ring 5 to be sealed during use, transition part 52 is arranged to ripple
Striated structure.The transition part 52 of wave structure is flexible, so as to which it 53 can be extruded to the second circle, so as to allow second
Conflict between circle 53 and end cap 32 is even closer.
In order to which dust ring 5 can be fixed in the position of motor shaft 1, as shown in Fig. 2 being provided with centring ring on motor shaft 1
11（Reference picture 3）, dust ring 5 and centring ring 11 are contradicted and set.Contradicted using centring ring 11, so as to allow dust ring 5
Position is fixed.This position limiting structure can also be provided with locating slot 12 on motor shaft 1（Reference picture 4）Form, and will be dust-proof
Circle 5 is placed in locating slot 12.Locating slot 12 and centring ring 11 can select a use, but centring ring 11 its be outer male structure, appearance
Easily impacted when installing end cap 32, allow it cannot pass through, but it will not allow motor shaft 1 thinning, not interfere with motor
The intensity of axle 1, although the setting of locating slot 12 is more convenient when installing end cap 32, it can cause the part position of motor shaft 1
Put it is thinning, so as to influence the intensity of motor shaft 1.
As shown in Fig. 2 rotor core 31 includes shell 33 and iron-core workpiece 34, shell 33 is set on iron-core workpiece 34,
End cap 32 is connected by screw bolts with iron-core workpiece 34, and shell 33 is contradicted with end cap 32 and connected.Rotor core 31 is divided for the He of shell 33
Iron-core workpiece 34, rotor coil can be wound on iron-core workpiece 34, so shell 33 can be allowed to be changed, so as in varying number and
During the installation of the blade of model, shell 33 can accordingly be changed.Motor shaft 1 is arranged to hollow shaft, and supply lines passes through, electricity
The first string holes 13 and the second string holes 14 for wearing electric wire are provided with arbor 1, the first string holes 13 is disposed adjacent to stator coil
21 positions, the second string holes 14 are placed in the end of motor shaft 1, allow motor to be passed from inside by two string holes.In order to facilitate stator iron
The installation of core 22, the first stopper slot 23 is offered on stator core 22, offer the second stopper slot 15 on motor shaft 1, first
Connecting key 6 is set between the stopper slot 15 of stopper slot 23 and second.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of dual-axle motor, including motor shaft (1) and the stator module (2) that is fixed on motor shaft (1) and it is set in
Outer rotor component (3) on stator module (2), it is characterized in that：The stator module (2) includes stator coil (21) and stator
Iron core (22), the stator core (22) are fixedly mounted on motor shaft (1), and the stator coil (21) is looped around stator core
(22) on, the outer rotor component (3) includes rotor core (31) and the end cap (32) installed in rotor core (31), described
End cap (32) is set on motor shaft (1), and is connected between end cap (32) and motor shaft (1) using bearing (4), the motor shaft
(1) dust ring (5) is arranged with, the dust ring (5) is fixed on motor shaft (1), and dust ring (5) supports with end cap (32)
Connect.
2. dual-axle motor according to claim 1, it is characterized in that：The dust ring (5) includes first lap (51), transition part
(52) and the second circle (53), the first lap (51) and the second circle (53) are connected by transition part (52), the first lap
(51) it is set on motor shaft (1), second circle (53) contradicts with end cap (32).
3. dual-axle motor according to claim 2, it is characterized in that：The transition part (52) is arranged to wave structure.
4. dual-axle motor according to claim 1, it is characterized in that：Centring ring (11), institute are provided with the motor shaft (1)
State dust ring (5) and contradict setting with centring ring (11).
5. dual-axle motor according to claim 1, it is characterized in that：Locating slot (12), institute are provided with the motor shaft (1)
Dust ring (5) is stated to be placed in locating slot (12).
6. dual-axle motor according to claim 1, it is characterized in that：The rotor core (31) includes shell (33) and iron
Core body (34), the shell (33) are set on iron-core workpiece (34), and the end cap (32) is connected by screw bolts with iron-core workpiece (34),
The shell (33) contradicts with end cap (32) and connected.
7. dual-axle motor according to claim 1, it is characterized in that：The motor shaft (1) is arranged to hollow shaft, the motor
The first string holes (13) and the second string holes (14) for wearing electric wire are provided with axle (1), first string holes (13), which is placed in, leans on
Nearly stator coil (21) position, second string holes (14) are placed in motor shaft (1) end.
8. dual-axle motor according to claim 1, it is characterized in that：The first stopper slot is offered on the stator core (22)
(23), offer the second stopper slot (15) on the motor shaft (1), first stopper slot (23) and the second stopper slot (15) it
Between set connecting key (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550202.2U CN206948083U (en) | 2017-05-18 | 2017-05-18 | Dual-axle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720550202.2U CN206948083U (en) | 2017-05-18 | 2017-05-18 | Dual-axle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948083U true CN206948083U (en) | 2018-01-30 |
Family
ID=61360124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720550202.2U Active CN206948083U (en) | 2017-05-18 | 2017-05-18 | Dual-axle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948083U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665649A (en) * | 2022-05-10 | 2022-06-24 | 苏州南亚电机科技有限公司 | Waterproof dustproof external rotor electric machine |
-
2017
- 2017-05-18 CN CN201720550202.2U patent/CN206948083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665649A (en) * | 2022-05-10 | 2022-06-24 | 苏州南亚电机科技有限公司 | Waterproof dustproof external rotor electric machine |
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