CN205753735U - External rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and apply its fans load - Google Patents
External rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and apply its fans load Download PDFInfo
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- CN205753735U CN205753735U CN201620447578.6U CN201620447578U CN205753735U CN 205753735 U CN205753735 U CN 205753735U CN 201620447578 U CN201620447578 U CN 201620447578U CN 205753735 U CN205753735 U CN 205753735U
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Abstract
nullThe utility model discloses the external rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and the fans load applying it，Including external rotor electric machine，Described external rotor electric machine includes stator module (1)、Rotor assembly (2) and rotating shaft (3)，Rotor assembly (2) is sleeved on the outside of stator module (1)，Stator module (1) the inside is provided with bearing，Rotating shaft (3) is installed and is bearing on bearing，It also includes a mounting bracket (4)，Mounting bracket (4) is sleeved in rotating shaft，Mounting bracket (4) and rotor assembly (2) are separated by certain axial distance，The first circular bosses (13) is protruded in the middle of the end face of described stator module (1)，Mounting bracket (4) protrude above the second circular bosses (41)，The outside of the first circular bosses (13) and the second circular bosses (41) is respectively installed with shock absorbing ring (9)，The two ends of U-shaped support are supported on shock absorbing ring，Shockproof properties is good，Simple in construction，Low cost，Can directly replace the original inner rotor motor of fans load，Versatility is good.
Description
Technical field:
This utility model relates to the external rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and the fans load applying it.
Background technology:
Inside existing fans load, a large amount of use inner rotor motors drive wind wheel, and described inner rotor motor generally comprises stator, internal rotor and casing, and stator sleeve is contained in casing inner wall, and internal rotor is enclosed within bore of stator.As shown in Figure 1 and Figure 2, in order to reduce vibrations, shock absorbing ring 1B is generally installed at the casing 1A two ends of motor inner rotor motor, is then supported on the shock absorbing ring 1B at casing 1A two ends with U-shaped support 1C, and locks with locking device 1D.
External rotor electric machine is big due to output torque, in the case of equal output, inner rotor motor relatively, volume is less and cost is lower, demand widely is had inside fans load, but the structure problem due to external rotor electric machine, shockproof properties after it is installed is poor, demand can not be met, in the case of additionally part producer wishes not change any structure of fans load, directly using external rotor electric machine to replace original inner rotor motor, this requires that designing a kind of external rotor electric function meets above demand.
Utility model content:
The purpose of this utility model is to provide the external rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and the fans load applying it, and it can install shock absorbing ring with axially spaced-apart, and shockproof properties is good, and simple in construction, low cost, as traditional inner rotor motor mounting means, versatility is good.
The purpose of this utility model is achieved by following technical proposals:
The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed, including external rotor electric machine, described external rotor electric machine includes stator module, rotor assembly and rotating shaft, rotor assembly is installed with rotating shaft and is coupled together, rotor assembly is sleeved on the outside of stator module, bearing is installed inside stator module, rotating shaft is installed and is bearing on bearing, it is characterized in that it also includes a mounting bracket, mounting bracket is sleeved in rotating shaft, mounting bracket and rotor assembly are separated by certain axial distance, the first circular bosses is protruded in the middle of the end face of described stator module, mounting bracket protrude above the second circular bosses, the outside of the first circular bosses and the second circular bosses is respectively installed with shock absorbing ring.
Bearing described above includes that inside stator module, axially spaced-apart is provided with clutch shaft bearing and the second bearing, and rotating shaft is installed and is bearing on clutch shaft bearing and the second bearing.
Second circular bosses described above is hollow formation bearing chamber, and the 3rd bearing is installed inside the bearing chamber of the second circular bosses, and rotating shaft is installed and is bearing on the 3rd bearing.
Arranging draw-in groove in rotating shaft described above, draw-in groove is provided with jump ring, jump ring is pressed in the side of the 3rd bearing and axially positions mounting bracket.
Stator module described above, rotor assembly are between the first circular bosses and the second circular bosses.
Stator module described above is plastic packaging stator, including stator core, overhang insulation, coil windings, plastic-sealed body and bearing block, overhang insulation is arranged on the end face of stator core, coil windings is set around on overhang insulation, plastic-sealed body connects to one described stator core, coil windings, overhang insulation and bearing block, and the first described circular bosses protrudes in the middle of plastic-sealed body end face.
Stator module described above is cast aluminium stator, cast aluminium stator includes pedestal, stator core, overhang insulation and coil windings, toward protruding above hollow connection post in the middle of pedestal, stator core utilizes centre bore to be sleeved on the outside connecting post, the first described circular bosses protrudes in the middle of base end face, and pedestal is an aluminum casting.
Rotating shaft described above can be stretched out bottom stator module or stretch out from mounting bracket, or stretches out form Double shaft-extension structure with mounting bracket bottom stator module simultaneously.
A kind of fans load, including wind wheel, load housing, motor and U-shaped support, wind wheel is installed in the end of the rotating shaft of motor, motor is arranged on load housing by U-shaped support, described motor is the external rotor electric machine that above-mentioned any one axially spaced-apart shock absorbing ring is installed, and the two ends of U-shaped support support and are arranged on shock absorbing ring.
This utility model compared with prior art, has the effect that
1) external rotor electric machine of the present utility model includes a mounting bracket, mounting bracket is sleeved in rotating shaft, mounting bracket and rotor assembly are separated by certain axial distance, the first circular bosses is protruded in the middle of the end face of described stator module, mounting bracket protrude above the second circular bosses, the outside of the first circular bosses and the second circular bosses is respectively installed with shock absorbing ring.The two ends of U-shaped support are supported on shock absorbing ring, and it can install shock absorbing ring with axially spaced-apart, and shockproof properties is good, and simple in construction, low cost, as traditional inner rotor motor mounting means, can directly replace the original inner rotor motor of fans load, and versatility is good.
2) side that mounting bracket is pressed in the 3rd bearing by jump ring axially positions, and can regulate the mounting distance between the first circular bosses and the second circular bosses by changing jump ring position, and easy to adjust, adaptability is better.
3) the second circular bosses is hollow formation bearing chamber, and the 3rd bearing is installed inside the bearing chamber of the second circular bosses, and rotating shaft is installed and is bearing on the 3rd bearing, uses three bearings rotating shafts, rotating shaft length can extend, stability is high, operates steadily；
4) stator module is plastic packaging stator, easily manufactured, good integrity, it is simple to install, water proof and dust proof.
5) stator module is to include pedestal and stator core, and toward protruding above hollow connection post in the middle of pedestal, stator core utilizes centre bore to be sleeved on the outside connecting post, and the first described circular bosses protrudes in the middle of base end face.Pedestal is aluminum casting, easy to manufacture, good heat dissipation.
6) rotating shaft can be stretched out bottom stator module or stretch out from the 3rd bearing or be stretched out form Double shaft-extension structure with the 3rd bearing bottom stator module simultaneously, flexible and convenient to use, highly versatile；
Accompanying drawing illustrates:
Fig. 1 is the axonometric chart that existing inner rotor motor is installed by U-shaped support；
Fig. 2 is the boundary figure that existing inner rotor motor is installed by U-shaped support；
Fig. 3 is the axonometric chart of an angle of this utility model external rotor electric machine；
Fig. 4 is the axonometric chart of another angle of this utility model external rotor electric machine；
Fig. 5 is the three-dimensional exploded view of this utility model external rotor electric machine；
Fig. 6 is the front view that this utility model removes the external rotor electric machine after shock absorbing ring；
Fig. 7 is the A-A sectional view of Fig. 6；
Fig. 8 is the B-B sectional view of Fig. 6；
Fig. 9 is the structure sectional view that this utility model external rotor electric machine uses plastic packaging stator；
Figure 10 is the structure sectional view that this utility model external rotor electric machine uses cast aluminium stator；
Figure 11 is that the twin shaft that the rotating shaft of this utility model external rotor electric machine is stretched out with the 3rd bearing bottom stator module stretches out structural representation；
Figure 12 is that structural representation is stretched out in the rotating shaft of this utility model external rotor electric machine bottom stator module；
Figure 13 is the scheme of installation of this utility model external rotor electric machine and load.
Detailed description of the invention:
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
Embodiment one: as shown in Figures 3 to 8, the present embodiment is the external rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed, including external rotor electric machine, described external rotor electric machine includes stator module 1, rotor assembly 2 and rotating shaft 3, rotor assembly 2 is installed with rotating shaft 3 and is coupled together, rotor assembly 2 is sleeved on the outside of stator module 1, inside stator module 1, bearing is installed, rotating shaft 3 is installed and is bearing on bearing, additionally it also includes a mounting bracket 4, mounting bracket 4 is sleeved in rotating shaft, mounting bracket 4 and rotor assembly 2 are separated by certain axial distance, the first circular bosses 13 is protruded in the middle of the end face of described stator module 1, mounting bracket 4 protrude above the second circular bosses 41, the outside of the first circular bosses 13 and the second circular bosses 41 is respectively installed with shock absorbing ring 9.
Described bearing includes that inside stator module 1, axially spaced-apart is provided with clutch shaft bearing 11 and the second bearing 12, and rotating shaft 3 is installed and is bearing on clutch shaft bearing 11 and the second bearing 12.
Above-mentioned second circular bosses 41 is hollow formation bearing chamber 42, and the 3rd bearing 421 is installed inside the bearing chamber 42 of the second circular bosses 41, and rotating shaft 3 is installed and is bearing on the 3rd bearing 421.
Arranging draw-in groove 32 in rotating shaft 3 described above, draw-in groove 32 is provided with jump ring 31, jump ring 31 is pressed in the side of the 3rd bearing 421 and axially positions mounting bracket 4.
Stator module 1 described above, rotor assembly 2 are between the first circular bosses 13 and the second circular bosses 41.
As shown in Figure 9, described stator module 1 can be plastic packaging stator, including stator core 15, overhang insulation 16, coil windings 17, plastic-sealed body 18 and bearing block 19, overhang insulation 16 is arranged on the end face of stator core 15, coil windings 17 is set around on overhang insulation 16, described stator core 15, coil windings 17, overhang insulation 16 and the bearing block 19 of plastic-sealed body 18 connects to one, and the first described circular bosses 14 protrudes in the middle of plastic-sealed body 18 end face.
As shown in Figure 10, described stator module 1 can also be cast aluminium stator, cast aluminium stator includes pedestal 5, stator core 15, overhang insulation 16 and coil windings 17, toward protruding above hollow connection post 51 in the middle of pedestal 5, stator core 15 utilizes centre bore to be sleeved on the outside connecting post 51, the first described circular bosses 13 protrudes in the middle of pedestal 5 end face, and pedestal 5 is an aluminum casting.
As shown in Fig. 3, Figure 11, Figure 12, described rotating shaft 3 can be stretched out bottom stator module 1 or stretch out from mounting bracket 4, or stretches out form Double shaft-extension structure with mounting bracket 4 bottom stator module 1 simultaneously.
Embodiment is two: as shown in figure 13, a kind of fans load, including wind wheel (not shown), load housing (not shown), motor and U-shaped support 100, wind wheel is installed in the end of the rotating shaft 3 of motor, motor is supported by U-shaped support 100 and installs, U-shaped support 100 is arranged on load housing by screw hole 101 and screw, described motor is the external rotor electric machine of a kind of axially spaced-apart shock absorbing ring installation of foregoing description, shock absorbing ring 9 can be set with on first circular bosses 14 and the second circular bosses 41, the two ends of U-shaped support 100 are supported on shock absorbing ring 9 and lock (not shown) with locking device.
Utility model principle: external rotor electric machine of the present utility model increases a mounting bracket 4, the first circular bosses 14 is protruded in the middle of the end face of described stator module 1, the second circular bosses 41 is protruded at the top of mounting bracket 4, first circular bosses 14 and the distribution of the second circular bosses 41 coaxial spaced, shock absorbing ring 9 can be set with on first circular bosses 14 and the second circular bosses 41, the two ends of U-shaped support 100 are supported on shock absorbing ring 9, shockproof properties is good, and simple in construction, low cost, as traditional inner rotor motor mounting means, can directly replace the original inner rotor motor of fans load, versatility is good.Second circular bosses 41 is hollow formation bearing chamber 42, and the 3rd bearing 421 is installed inside the bearing chamber 42 of the second circular bosses 41, and rotating shaft 3 is installed and is bearing on the 3rd bearing 421, three bearings 421 are used to support rotating shaft 3, rotating shaft 3 length can extend, stability is high, operates steadily；Stator module 1 is plastic packaging stator, easily manufactured, good integrity, it is simple to install, water proof and dust proof.The side that mounting bracket 4 is pressed in the 3rd bearing 421 by jump ring 31 axially positions, and can regulate the mounting distance between the first circular bosses 13 and the second circular bosses 41 by changing jump ring 31 position, and easy to adjust, adaptability is better.
Above example is better embodiment of the present utility model; but embodiment of the present utility model is not limited to this; other any without departing from the change made under spirit of the present utility model and principle, modify, substitute, combine, simplify; it is the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (9)
- null1. the external rotor electric machine installed with axially spaced-apart shock absorbing ring，Including external rotor electric machine，Described external rotor electric machine includes stator module (1)、Rotor assembly (2) and rotating shaft (3)，Rotor assembly (2) is installed with rotating shaft (3) and is coupled together，Rotor assembly (2) is sleeved on the outside of stator module (1)，Stator module (1) the inside is provided with bearing，Rotating shaft (3) is installed and is bearing on bearing，It is characterized in that it also includes a mounting bracket (4)，Mounting bracket (4) is sleeved in rotating shaft，Mounting bracket (4) and rotor assembly (2) are separated by certain axial distance，The first circular bosses (13) is protruded in the middle of the end face of described stator module (1)，Mounting bracket (4) protrude above the second circular bosses (41)，The outside of the first circular bosses (13) and the second circular bosses (41) is respectively installed with shock absorbing ring (9).
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 1 is installed, it is characterized in that: described bearing includes that stator module (1) the inside axially spaced-apart is provided with clutch shaft bearing (11) and the second bearing (12), and rotating shaft (3) is installed and is bearing on clutch shaft bearing (11) and the second bearing (12).
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 1 and 2 is installed, it is characterized in that: the second circular bosses (41) is hollow formation bearing chamber (42), bearing chamber (42) the inside of the second circular bosses (41) installed by 3rd bearing (421), and rotating shaft (3) is installed and is bearing on the 3rd bearing (421).
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 3 is installed, it is characterized in that: draw-in groove (32) is set in rotating shaft (3), being provided with jump ring (31) on draw-in groove (32), jump ring (31) is pressed in the side of the 3rd bearing (421) and axially positions mounting bracket (4).
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 3 is installed, it is characterised in that: stator module (1), rotor assembly (2) are positioned between the first circular bosses (13) and the second circular bosses (41).
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 5 is installed, it is characterized in that: described stator module (1) is plastic packaging stator, including stator core, overhang insulation, coil windings, plastic-sealed body and bearing block, overhang insulation is arranged on the end face of stator core, coil windings is set around on overhang insulation, plastic-sealed body connects to one described stator core, coil windings, overhang insulation and bearing block, and the first described circular bosses protrudes in the middle of plastic-sealed body end face.
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 5 is installed, it is characterized in that: described stator module (1) is cast aluminium stator, cast aluminium stator includes pedestal (5), stator core (15), overhang insulation (16) and coil windings (17), toward protruding above hollow connection post (51) in the middle of pedestal (5), stator core (15) utilizes centre bore to be sleeved on the outside connecting post (51), described the first circular bosses (13) protrudes in the middle of pedestal (5) end face, pedestal (5) is an aluminum casting.
- The external rotor electric machine that a kind of axially spaced-apart shock absorbing ring the most according to claim 3 is installed, it is characterized in that: described rotating shaft (3) can be stretched out from stator module (1) bottom or stretch out from mounting bracket (4), or stretches out formation Double shaft-extension structure from stator module (1) bottom and mounting bracket (4) simultaneously.
- 9. a fans load, including wind wheel, load housing, motor and U-shaped support (100), wind wheel is installed in the end of the rotating shaft (3) of motor, motor is arranged on load housing by U-shaped support (100), it is characterized in that: described motor is the external rotor electric machine that any one axially spaced-apart shock absorbing ring described in claim 1 to 8 is installed, the two ends of U-shaped support (100) support and are arranged on shock absorbing ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447578.6U CN205753735U (en) | 2016-05-17 | 2016-05-17 | External rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and apply its fans load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620447578.6U CN205753735U (en) | 2016-05-17 | 2016-05-17 | External rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and apply its fans load |
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| Publication Number | Publication Date |
|---|---|
| CN205753735U true CN205753735U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620447578.6U Active CN205753735U (en) | 2016-05-17 | 2016-05-17 | External rotor electric machine that a kind of axially spaced-apart shock absorbing ring is installed and apply its fans load |
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| CN (1) | CN205753735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566035A (en) * | 2018-06-26 | 2018-09-21 | 广东威灵电机制造有限公司 | The motor of dryer and dryer with it |
-
2016
- 2016-05-17 CN CN201620447578.6U patent/CN205753735U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566035A (en) * | 2018-06-26 | 2018-09-21 | 广东威灵电机制造有限公司 | The motor of dryer and dryer with it |
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