CN205226163U - Fan, motor element and centrifugation friction clutch thereof - Google Patents
Fan, motor element and centrifugation friction clutch thereof Download PDFInfo
- Publication number
- CN205226163U CN205226163U CN201520682809.7U CN201520682809U CN205226163U CN 205226163 U CN205226163 U CN 205226163U CN 201520682809 U CN201520682809 U CN 201520682809U CN 205226163 U CN205226163 U CN 205226163U
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- centrifugal
- friction clutch
- positioning
- load wheel
- motor
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- 238000005119 centrifugation Methods 0.000 title abstract 7
- 238000010276 construction Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 230000004323 axial length Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a fan, motor element and centrifugation friction clutch thereof, centrifugal friction clutch includes: centrifugation part (24), centrifugal part (24) have the cover that is used for fixing in axis of rotation (11) to be established ring (241) and sets up a plurality of centrifugation pieces (242) on ring (241) are established to the cover, and the end of centrifugation piece (242) is the free end, centrifugal part (24) outlying load wheels (26) are located to the cover, and when centrifugal part (24) was rotatory along with axis of rotation (11), the free end of centrifugation piece was along radially outwards opening to the inner wall of butt load wheel, it is rotatory to utilize frictional force to drive the load wheel. Frictional force between the above -mentioned centrifugal friction clutch, centrifugal parts and load wheel and the rotational speed of axis of rotation square be the direct radio, when the slow -speed of revolution, relative slip between centrifugation piece and the load wheel reduces the inertia that the axis of rotation received and starts load torque, vibration, noise and starting failure's during the start -up of reduction motor the circumstances.
Description
Technical Field
The utility model relates to a fan equipment technical field, in particular to fan, motor element and centrifugal friction clutch thereof.
Background
In the fan, a motor is connected with an impeller, and the impeller is driven to rotate by the operation of the motor. However, when the single-phase motor is started, the motor torque is small and the fluctuation is large, and the impeller is in a static state, so that the motor needs to bear larger rotational inertia and starting load torque, and the motor vibrates when being started, and even the motor is in a failed starting condition when being serious.
The starting method of the single-phase motor generally uses a friction starting device, firstly, the motor is rotated, and then, the impeller is gradually driven to rotate. Currently, a friction starting device consists of an arc-shaped plate and an annular spring. The plurality of arc plates are arranged on the impeller and positioned on the same circle, and the annular spring surrounds the outer sides of the plurality of arc plates; the end of the rotating shaft of the motor extends into a hole formed by the arc plates. As the rotating shaft of the motor rotates, the annular spring applies constraint force to the arc plates so as to generate friction force between the arc plates and the rotating shaft. However, the friction force generated by such a structure does not change much with the increase of the rotation speed, which is not beneficial to adjusting the rotational inertia and the starting load torque, and the conditions of vibration, noise and starting failure existing when the motor is started cannot be effectively improved, so that the damage to the motor is large.
Therefore, how to reduce the rotational inertia and the start load torque received by the rotating shaft and reduce the vibration, noise and start failure when the motor is started is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a centrifugal friction clutch to reduce the load of the inertia that the axis of rotation received and start-up torque, vibration noise when reducing the motor start-up and avoid the start-up failure. The utility model also discloses a motor element and fan with above-mentioned centrifugal friction clutch.
In order to achieve the above object, the utility model provides a following technical scheme:
a centrifugal friction clutch comprising:
the centrifugal part is provided with a sleeving ring for being fixed on the rotating shaft and a plurality of centrifugal sheets arranged on the sleeving ring, and the tail ends of the centrifugal sheets are free ends;
and the load wheel is sleeved on the periphery of the centrifugal part, when the centrifugal part rotates along with the rotating shaft, the free end of the centrifugal sheet is radially outwards opened and is abutted against the inner wall of the load wheel, and the load wheel is driven to rotate by using friction force.
Preferably, the centrifugal friction clutch further includes a positioning member for axially positioning the load sheave.
Preferably, in the centrifugal friction clutch, the positioning member includes a positioning sleeve fixed to the rotating shaft and a first baffle fixedly connected to the positioning sleeve.
Preferably, in the above centrifugal friction clutch, an inner hole of the load wheel is a cylindrical hole, and the positioning element further includes a second baffle disposed at an end of the load wheel away from the first baffle and fixed to the rotating shaft.
Preferably, in the centrifugal friction clutch, the positioning member further includes a positioning ring fixedly connected to the second baffle, and an outer wall of the positioning ring contacts with an inner wall of the centrifugal plate.
Preferably, in the centrifugal friction clutch, the second baffle and the positioning ring are of an integral structure.
Preferably, in the centrifugal friction clutch, the centrifugal member is fixedly provided on the positioning sleeve.
Preferably, in the centrifugal friction clutch, the positioning sleeve and the first baffle are of an integral structure.
Preferably, in the centrifugal friction clutch, an inner hole of the load wheel is a stepped hole, the centrifugal part is located in a large-diameter hole of the stepped hole, and a stepped end face of the stepped hole is in positioning contact with an end face, far away from the first baffle, of the centrifugal part.
Preferably, in the centrifugal friction clutch, a positioning pressing block is arranged on the inner side of a centrifugal sheet of the centrifugal component; one end face of the positioning pressing block is in contact with the stepped end face of the stepped hole of the centrifugal part, and the other end face of the positioning pressing block is in contact with the end face of the centrifugal piece connected with the sleeving ring.
Preferably, in the centrifugal friction clutch, the centrifugal plates are uniformly arranged on the sleeve ring in a plurality of numbers.
Preferably, in the centrifugal friction clutch, an elastic groove is provided at a connection portion of the centrifugal plate and the sleeve ring.
The utility model also provides a motor element, including single phase motor, still include centrifugal friction clutch, centrifugal friction clutch is as above-mentioned arbitrary centrifugal friction clutch.
Preferably, the motor assembly further includes a limiting member disposed on the rotating shaft of the motor and used for limiting the axial movement of the impeller, and the limiting member is located on a side of the centrifugal friction clutch facing away from the main body of the motor.
The utility model also provides a fan, including impeller and motor element, motor element be as above-mentioned arbitrary motor element.
According to the technical scheme, when the motor is started, the centrifugal part rotates along with the rotating shaft. When the rotating speed of the rotating shaft is low, because the centrifugal force applied to the centrifugal sheet is low, the degree of outward opening of the free end of the centrifugal sheet along the radial direction is low, the friction force between the centrifugal sheet and the load wheel is low or even 0, and the centrifugal part slides relative to the load wheel; along with the increase of the rotating speed of the rotating shaft, the centrifugal sheet is increased under the action of centrifugal force, the free end of the centrifugal sheet tilts towards the direction of the axis far away from the sleeving ring, the centrifugal part is sleeved in the inner hole of the load wheel, the tilted centrifugal sheet is contacted with the hole wall of the inner hole, so that the friction force between the centrifugal part and the load wheel is increased, and when the friction force is large enough, the centrifugal part drives the load wheel to synchronously rotate.
Through the structure, when the motor is started, the rotating speed of the rotating shaft is low, the centrifugal friction force between the centrifugal part and the load wheel is small or even no friction force exists, and the load wheel is directly or indirectly fixedly connected with the impeller, so that the impeller is in a static state when the motor is started, the centrifugal part and the load wheel form a sliding friction pair when the motor is started, and the fixing part and the load wheel slide relatively; when the rotating speed of the rotating shaft of the motor is increased, the centrifugal force of the centrifugal sheet is increased, the friction force between the centrifugal part and the load wheel is also increased, and the relative sliding quantity between the centrifugal part and the load wheel is reduced until the centrifugal part and the load wheel are relatively static, so that the motor drives the load wheel to synchronously rotate through the centrifugal friction clutch. The utility model provides a centrifugal friction clutch, frictional force between centrifugal part and the load wheel is directly proportional with the square of the rotational speed of axis of rotation, and when low rotational speed (motor start), relative slip between centrifugal piece and the load wheel has reduced the inertia and the start load torque that the axis of rotation received, vibration, noise and the condition of start failure when having reduced the motor start.
The utility model provides a motor element and fan owing to have above-mentioned centrifugal friction clutch, also should have same technological effect, no longer states in a tired manner one by one here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of a motor assembly according to an embodiment of the present invention;
fig. 2 is a first schematic cross-sectional view of an electric machine assembly according to an embodiment of the present invention;
fig. 3 is an assembly view of the second baffle and the centrifugal part according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a centrifugal part in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fan in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second structure of the motor assembly in the embodiment of the present invention.
Wherein,
the centrifugal friction clutch comprises a motor-1, a rotating shaft-11, a limiting piece-12, a centrifugal friction clutch-2, a positioning piece-20, a first baffle-21, a positioning shaft sleeve-22, a second baffle-23, a centrifugal part-24, a sleeving ring-241, a centrifugal sheet-242, an elastic groove-243, a positioning pressing block-25, a load wheel-26, a positioning ring-27 and an impeller-3.
Detailed Description
The utility model discloses a centrifugal friction clutch to reduce inertia and the start load torque that the axis of rotation received, vibration noise when reducing the motor and starting failure of avoiding the motor. The utility model also discloses a motor element and fan with above-mentioned centrifugal friction clutch.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, fig. 1 is a first structural schematic diagram of a motor assembly according to an embodiment of the present invention; fig. 2 is a first schematic cross-sectional view of an electric machine assembly according to an embodiment of the present invention; fig. 3 is an assembly view of the second baffle and the centrifugal part according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a centrifugal part in an embodiment of the present invention.
An embodiment of the present invention provides a centrifugal friction clutch, which includes a centrifugal component 24 and a load wheel 26. The centrifugal part 24 has a sleeve ring 241 and a centrifugal plate 242, the sleeve ring 241 is used for being fixed on the rotating shaft 11, the centrifugal plate 242 is arranged on the sleeve ring 241, and the end of the centrifugal plate 242 is a free end. When the rotating shaft 11 rotates, the centrifugal member 24 rotates, and the centrifugal plate 242 is tilted away from the axial direction of the cover ring 241 by the centrifugal force. The loading wheel 26 is sleeved on the periphery of the centrifugal part 24, that is, the loading wheel 26 has an inner hole, and the centrifugal part 24 is accommodated in the inner hole. When the centrifugal member 24 rotates with the rotating shaft 11, the free ends of the centrifugal blades 242 are radially outwardly opened and abut against the inner wall of the load wheel 26, so that the load wheel 26 is driven to rotate by friction.
The embodiment of the utility model provides a centrifugal friction clutch, when motor 1 starts, centrifugal part 24 rotates along with axis of rotation 11. When the rotation speed of the rotating shaft 11 is low, because the centrifugal force applied to the centrifugal blades 242 is low, the degree of outward opening of the free ends of the centrifugal blades 242 in the radial direction is small, the friction force between the centrifugal blades 242 and the load wheel 26 is small or even 0, and the centrifugal part 24 slides relative to the load wheel 26; with the increase of the rotation speed of the rotating shaft 11, the centrifugal sheet 242 is increased by the centrifugal force, the free end of the centrifugal sheet 242 tilts in the direction away from the axis of the sleeve ring 241, the centrifugal member 24 is sleeved in the inner hole of the load wheel 26, and the tilted centrifugal sheet 242 contacts with the hole wall of the inner hole, so that the friction force between the centrifugal member 24 and the load wheel 26 is increased, and when the friction force is large enough, the centrifugal member 24 drives the load wheel 26 to rotate synchronously.
Through the structure, when the motor 1 is started, the rotating speed of the rotating shaft 11 is low, the centrifugal friction force between the centrifugal part 24 and the load wheel 26 is small or even no friction force exists, and the load wheel 26 is directly or indirectly fixedly connected with the impeller 3, so that the impeller 3 is in a static state when the motor is started, and the centrifugal part 24 and the load wheel 26 relatively slide to form a sliding friction pair when the motor is started; when the rotation speed of the rotating shaft 11 of the motor 1 is increased, the centrifugal force of the centrifugal plate 242 is increased, the friction force between the centrifugal part 24 and the load wheel 26 is also increased, the relative sliding amount between the centrifugal part 24 and the load wheel 26 is reduced until the two are relatively static, and thus the motor drives the load wheel 26 to synchronously rotate through the centrifugal friction clutch. The embodiment of the utility model provides a centrifugal friction clutch, frictional force between centrifugal part 24 and the load wheel 26 is the proportion with the square of the rotational speed of axis of rotation 11, and when low rotational speed (motor 1 starts), relative slip between centrifugal piece 242 and the load wheel 26 has reduced the inertia and the start load torque that axis of rotation 11 received, and the vibration noise when having reduced motor 1 and having started and has avoided the condition of start failure.
It is understood that the centrifugal plate 242 ends at the end where the centrifugal plate 242 is not connected to the sleeve ring 241. Preferably, one end of the centrifugal plate 242 is connected to one end of the sleeve ring 241, and one end of the centrifugal plate 242 away from the sleeve ring 241 is the end of the centrifugal plate 242. Of course, the centrifugal plate 242 may be disposed on the outer surface of the sleeve ring 241.
Further, the embodiment of the present invention provides that the positioning member 20 is further included for axially positioning the load wheel 26. By arranging the positioning member 20, the axial positioning of the load wheel 26 is realized, and the shaking of the load wheel 26 is avoided.
As shown in fig. 1 and fig. 2, in the first embodiment, the positioning member 20 includes a positioning sleeve 22 fixed on the rotating shaft 11 and a first baffle 21 fixedly connected to the positioning sleeve 22. Through the arrangement, the first baffle plate 21 and the positioning shaft sleeve 22 realize axial positioning of the load wheel 26, and installation of the fixing piece is facilitated. When the load sheave 26 is fitted to the rotating shaft 11, an end surface of the load sheave 26 on the side facing the fitting direction comes into contact with the first shutter 21.
In this embodiment, the inner hole of the load wheel 26 is a cylindrical hole, and in order to prevent the load wheel 26 from moving back to the assembling direction, the positioning member 20 further includes a second blocking plate 23 for being fixed on the rotating shaft 11, and the second blocking plate 23 is disposed at an end of the load wheel 26 away from the first blocking plate 21. A first baffle 21 is arranged at one end of the load wheel 26, and a second baffle 23 is arranged at the other end of the load wheel 26, so that the load wheel 26 is axially positioned. Preferably, the axial length of the inner bore of the load wheel 26 is the same as the axial length of the centrifugal part 24, so that the centrifugal part 24 can be positioned axially by the first and second baffles 21 and 23.
The positioning member 20 further comprises a positioning ring 27 fixedly connected to the second baffle 23, and an outer wall of the positioning ring 27 contacts with an inner wall of the centrifugal plate 242. Due to the positioning ring 27, the centrifugal sheet 242 is supported, and the centrifugal sheet 242 is prevented from bending toward the center of the centrifugal part 24.
Preferably, the positioning ring 27 is of one-piece construction with the second shutter 23. With the above arrangement, only one of the positioning ring 27 and the second baffle 23 needs to be fixed relative to the rotating shaft 11. Moreover, the positioning ring 27 and the second baffle plate 23 are prevented from being processed and installed respectively, and the assembly is convenient.
In this embodiment, the centrifugal part 24 is fixedly disposed on the positioning shaft sleeve 22, and the centrifugal part 24 and the positioning shaft sleeve 22 are sleeved to shorten the axial length and reduce the overall length of the centrifugal friction clutch. The centrifugal part 24 can also be fastened directly to the rotary shaft 11, which is not described in detail here and is within the scope of protection.
Further, the positioning boss 22 and the first baffle 21 are of an integral structure. The positioning shaft sleeve 22 and the first baffle plate 21 are arranged into an integral structure, and only one of the positioning shaft sleeve 22 and the first baffle plate 21 needs to be fixed relative to the rotating shaft 11. Moreover, the positioning shaft sleeve 22 and the first baffle plate 21 are prevented from being processed and installed respectively, and assembly is facilitated.
In a second embodiment, as shown in fig. 5 and 6, the inner bore of the load wheel 26 is a stepped bore having a large diameter bore and a small diameter bore coaxially disposed. The centrifugal part 24 is located in the large-diameter hole of the stepped hole, and the stepped end face of the stepped hole is in positioning contact with the end face of the centrifugal part 24 away from the first baffle plate 21. Since the inner hole of the load wheel 26 is a stepped hole, and a small diameter hole is passed through by the rotating shaft 11.
The positioning member 20 in this embodiment also includes a positioning sleeve 22 fixed on the rotating shaft 11 and a first baffle 21 fixedly connected to the positioning sleeve 22.
In the present embodiment, the positioning pressing block 25 is arranged inside the centrifugal sheet 242 of the centrifugal part 24; one end face of the positioning pressing block 25 is in contact with the step end face of the step hole, and the other end face of the positioning pressing block 25 is in contact with the end face of the sleeve ring 241 connected with the centrifugal sheet 242. The positioning pressing block 25 is arranged to support the centrifugal sheet 242, so as to prevent the centrifugal sheet 242 from bending towards the center of the centrifugal part 24.
As shown in fig. 4, an elastic groove 243 is disposed at the connection position of the centrifugal plate 242 and the sleeve ring 241. By providing the elastic groove 243, the thickness of the connection portion between the centrifugal vane 242 and the sleeve ring 241 is reduced, which is more beneficial for the centrifugal vane 242 to tilt under the centrifugal force.
In this embodiment, the elastic groove 243 is located inside the connection between the centrifugal plate 242 and the sleeve ring 241. The elastic groove 243 may also be disposed outside the connection point of the centrifugal plate 242 and the sleeve ring 241.
Further, a plurality of centrifugal plates 242 are uniformly disposed on the sleeve ring 241. With the above arrangement, the friction force between the centrifugal part 24 and the load wheel 26 is uniformly distributed. At least one centrifugal vane 242 may also be provided.
The embodiment of the utility model provides a still provide a motor element, including single phase machine 1, still include centrifugal friction clutch 2, centrifugal friction clutch 2 is as above-mentioned any kind of centrifugal friction clutch. Since the centrifugal friction clutch has the technical effects, the motor assembly with the centrifugal friction clutch also has the same technical effects, and the technical effects are not repeated.
In order to facilitate the axial positioning of impeller 3, the embodiment of the utility model provides a motor element is still including setting up in motor 1's axis of rotation 11 for 3 axial displacement's of restriction impeller locating part 12, locating part 12 are located one side of the main part of centrifugal friction clutch 2 dorsad motor 1.
As shown in fig. 2, the stopper 12 is provided as a nut, and a screw thread that fits the nut is provided at an end of the rotating shaft 11. The limiting member 12 can also be fixed on the rotating shaft 11 by a clamping screw; the limiting member 12 may also be a snap spring, and the end of the rotating shaft 11 is provided with a snap groove and the like which are matched with each other, so that the description is not repeated one by one and the limiting member and the snap groove are all within the protection range.
The embodiment of the utility model provides a fan is still provided, including impeller 3 and motor element, motor element is as above-mentioned any kind of motor element. Because above-mentioned motor element has above-mentioned technological effect, the fan that has above-mentioned motor element also should have same technological effect, does not bear all over one by one here again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (17)
1. A centrifugal friction clutch, comprising:
the centrifugal part (24) is provided with a sleeving ring (241) fixed on the rotating shaft (11) and a plurality of centrifugal sheets (242) arranged on the sleeving ring (241), and the tail ends of the centrifugal sheets (242) are free ends;
and the load wheel (26) is sleeved on the periphery of the centrifugal part (24), when the centrifugal part (24) rotates along with the rotating shaft (11), the free end of the centrifugal sheet (242) is outwards opened along the radial direction and is abutted against the inner wall of the load wheel (26), and the load wheel (26) is driven to rotate by using friction force.
2. The centrifugal friction clutch according to claim 1, further comprising a positioning member (20) for axially positioning the load wheel (26).
3. The centrifugal friction clutch according to claim 2, characterized in that the positioning element (20) comprises a positioning sleeve (22) for fixing to the rotating shaft (11) and a first stop (21) fixedly connected to the positioning sleeve (22).
4. The centrifugal friction clutch according to claim 3, characterized in that the spacer (20) further comprises a second stop (23) arranged at the end of the load wheel (26) remote from the first stop (21) for fixing to the rotating shaft (11).
5. The centrifugal friction clutch according to claim 4, characterized in that the positioning element (20) further comprises a positioning ring (27) fixedly connected to the second baffle plate (23), the outer wall of the positioning ring (27) being in contact with the inner wall of the centrifugal plate (242).
6. The centrifugal friction clutch according to claim 5, characterized in that the second baffle (23) is of one-piece construction with the retaining ring (27).
7. The centrifugal friction clutch according to claim 3, characterized in that the centrifugal part (24) is fixedly arranged on the locating bush (22).
8. The centrifugal friction clutch according to claim 3, characterized in that the locating bush (22) is of one-piece construction with the first shutter (21).
9. The centrifugal friction clutch according to claim 3, characterized in that the inner bore of the load wheel (26) is a stepped bore, the centrifugal part (24) being located in the large diameter bore of the stepped bore, the stepped end face of the stepped bore being in locating contact with the end face of the centrifugal part (24) remote from the first shutter (21).
10. The centrifugal friction clutch as claimed in claim 9, characterized in that a positioning pressure piece (25) is arranged inside the centrifugal plate (242) of the centrifugal part (24); one end face of the positioning pressing block (25) is in contact with the stepped end face of the stepped hole of the centrifugal part (24), and the end face, connected with the centrifugal sheet (242), of the sleeve ring (241) is in contact with the other end face of the positioning pressing block (25).
11. The centrifugal friction clutch according to claim 1, characterized in that the centrifugal plate (242) is provided in plurality and uniformly on the sleeve ring (241).
12. The centrifugal friction clutch according to one of claims 1 to 11, characterized in that the connection of the centrifugal plate (242) and the sleeve ring (241) is provided with an elastic groove (243).
13. An electric machine assembly comprising a single-phase electric machine (1), characterized by further comprising a centrifugal friction clutch (2), the centrifugal friction clutch (2) being a centrifugal friction clutch according to any one of claims 1-12.
14. A fan comprising an impeller (3) and a motor assembly, characterized in that the motor assembly is a motor assembly according to claim 13.
15. The fan according to claim 14, further comprising a limiting member (12) disposed on the rotating shaft (11) of the motor (1) for limiting the axial movement of the impeller (3), wherein the limiting member (12) is located on a side of the centrifugal friction clutch (2) facing away from the main body of the motor (1).
16. An electric motor assembly comprising a single phase electric motor including a rotor, and further comprising a centrifugal friction clutch including a centrifugal member fixed relative to the rotor of the single phase electric motor and rotating therewith, and a load connection member, the centrifugal member including a centrifugal body that is axially or radially displaced by centrifugal force when the rotor rotates, whereby the centrifugal body exerts pressure on the load connection member and the load connection member is rotated by the frictional force exerted by the pressure.
17. A fan comprising an impeller and a motor assembly, wherein the motor assembly is the motor assembly of claim 16, the impeller is connected to the single-phase motor via the centrifugal friction clutch, and the impeller is connected to or is of unitary construction with the load connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682809.7U CN205226163U (en) | 2015-09-02 | 2015-09-02 | Fan, motor element and centrifugation friction clutch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682809.7U CN205226163U (en) | 2015-09-02 | 2015-09-02 | Fan, motor element and centrifugation friction clutch thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226163U true CN205226163U (en) | 2016-05-11 |
Family
ID=55901231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682809.7U Expired - Fee Related CN205226163U (en) | 2015-09-02 | 2015-09-02 | Fan, motor element and centrifugation friction clutch thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481694A (en) * | 2015-09-02 | 2017-03-08 | 德昌电机(深圳)有限公司 | Fluid drive apparatus, electric machine assembly and its centrifugal friction clutch |
| CN113142657A (en) * | 2021-04-08 | 2021-07-23 | 三明学院 | Rotary friction assembly, device for heating non-burning tobacco and control method thereof |
-
2015
- 2015-09-02 CN CN201520682809.7U patent/CN205226163U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481694A (en) * | 2015-09-02 | 2017-03-08 | 德昌电机(深圳)有限公司 | Fluid drive apparatus, electric machine assembly and its centrifugal friction clutch |
| CN113142657A (en) * | 2021-04-08 | 2021-07-23 | 三明学院 | Rotary friction assembly, device for heating non-burning tobacco and control method thereof |
| CN113142657B (en) * | 2021-04-08 | 2024-05-03 | 三明学院 | Rotary friction assembly, heating non-combustion tobacco device and control method of heating non-combustion tobacco device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20200902 |