CN214591013U - Outer rotor assembly device of direct current ceiling fan motor - Google Patents
Outer rotor assembly device of direct current ceiling fan motor Download PDFInfo
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- CN214591013U CN214591013U CN202120228647.5U CN202120228647U CN214591013U CN 214591013 U CN214591013 U CN 214591013U CN 202120228647 U CN202120228647 U CN 202120228647U CN 214591013 U CN214591013 U CN 214591013U
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- end cover
- ceiling fan
- bearing
- motor end
- rotor assembly
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Abstract
The utility model discloses a direct current ceiling fan motor external rotor assembly device, including motor end cover, protective housing and pivot, first bearing groove has been seted up to the interior roof of motor end cover, the inner wall in first bearing groove is provided with first bearing, the first shaft cover of bolt fixedly connected with is passed through to the interior roof of motor end cover, the pivot is the stepped shaft structure, the surface of pivot upper end and the interior anchor ring fixed connection of first bearing, the fixed surface of pivot installs electromagnetic winding, the fixed surface of pivot installs the impeller dish, protective housing's inner wall fixedly connected with permanent magnet. According to the outer rotor assembly device of the direct current ceiling fan motor, the impeller disc is arranged on the rotating shaft, the heat dissipation round holes and the fan-shaped heat dissipation grooves are formed in the surfaces of the motor end cover and the protection shell respectively, when the rotating shaft rotates, the impeller disc can be driven to rotate, heat generated when an electromagnetic winding converts electric energy into mechanical energy is taken away, and the ceiling fan motor is guaranteed to operate well.
Description
Technical Field
The utility model relates to the technical field of motors, specifically be a direct current ceiling fan motor external rotor assembly device.
Background
The outer rotor motor has large torque, small volume and light weight, and is widely applied in recent years, particularly in the field of small and medium-sized permanent magnet motors.
The existing direct current ceiling fan motor is not internally provided with a heat radiating device, the outer rotor can generate heat when converting electric energy into mechanical energy, and the heat inside the motor is redundant due to untimely heat radiation, so that the normal use of the motor is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct current ceiling fan motor external rotor assembly device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an outer rotor assembly device of a direct current ceiling fan motor comprises a motor end cover, a protective shell and a rotating shaft, wherein a first bearing groove is formed in the inner top wall of the motor end cover, a first bearing is arranged on the inner wall of the first bearing groove, a first shaft cover is fixedly connected to the inner top wall of the motor end cover through a bolt, the rotating shaft is of a stepped shaft structure, the surface of the upper end of the rotating shaft is fixedly connected with the inner ring surface of the first bearing, an electromagnetic winding is fixedly arranged on the surface of the rotating shaft, an impeller disc is fixedly arranged on the surface of the rotating shaft, a permanent magnet is fixedly connected to the inner wall of the protective shell, a second shaft cover is fixedly connected to the inner bottom wall of the protective shell through a bolt, a second bearing is arranged on the inner wall of the second shaft cover, a fan-shaped heat dissipation groove is formed in the lower surface of the protective shell, and a dustproof mesh plate is fixedly arranged on the inner wall of the fan-shaped heat dissipation groove, a plurality of heat dissipation round holes are formed in the side face of the motor end cover.
Preferably, the surfaces of the motor end cover and the protective shell are provided with connecting ring plates, the upper surfaces of the two connecting ring plates are provided with through holes matched with each other, the inner walls of the through holes are inserted with connecting bolts, and the motor end cover and the protective shell are fixedly connected through the connecting bolts.
Preferably, the surface of the lower end of the rotating shaft is fixedly connected with the inner annular surface of the second bearing, a round hole is formed in the lower surface of the protective shell, and the lower end of the rotating shaft penetrates through the round hole and extends to the lower surface of the protective shell.
Preferably, the upper surface of the motor end cover is fixedly provided with a traction tube through a bolt.
Preferably, the heat dissipation round holes are arranged on the surface of the motor end cover in a circumferential array mode, and the inner walls of the heat dissipation round holes are fixedly connected with filter screens.
Preferably, the number of the connecting bolts is six, and six connecting bolts are circumferentially arranged on the surface of the connecting ring plate at equal intervals.
Advantageous effects
The utility model provides a direct current ceiling fan motor external rotor assembly device possesses following beneficial effect:
1. according to the outer rotor assembly device of the direct current ceiling fan motor, the impeller disc is arranged on the rotating shaft, the heat dissipation round holes and the fan-shaped heat dissipation grooves are formed in the surfaces of the motor end cover and the protection shell respectively, when the rotating shaft rotates, the impeller disc can be driven to rotate, the exchange between the air inside the motor end cover and the protection shell and the outside air is accelerated, the heat generated when the electromagnetic winding converts electric energy into mechanical energy is taken away, and the good operation of the ceiling fan motor is guaranteed.
2. The outer rotor assembly device of the direct current ceiling fan motor can limit the first bearing and the second bearing and is convenient to disassemble the first bearing and the second bearing by arranging the first shaft cover and the second shaft cover, so that the outer rotor assembly of the motor has the advantage of convenience in installation and disassembly.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic top view of an impeller disk.
In the figure: the device comprises a motor end cover 1, a protective shell 2, a rotating shaft 3, a first bearing 4, a first shaft cover 5, an electromagnetic winding 6, a permanent magnet 7, a second shaft cover 8, a second bearing 9, a connecting bolt 10, a traction pipe 11, a dustproof mesh plate 12 and an impeller disc 13.
Detailed Description
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. 1-3, the present invention provides a technical solution: the utility model provides a direct current ceiling fan motor external rotor assembly device, including motor end cover 1, protective housing 2 and pivot 3, the surface of motor end cover 1 and protective housing 2 all is provided with the connecting ring board, the through-hole of looks adaptation is all seted up to the upper surface of two connecting ring boards, the inner wall of through-hole is inserted and is equipped with connecting bolt 10, pass through connecting bolt 10 fixed connection between motor end cover 1 and the protective housing 2, connecting bolt 10's quantity is six, six connecting bolt 10 circumference equidistance set up the surface at the connecting ring board.
First bearing groove has been seted up to the interior roof of motor end cover 1, and the inner wall in first bearing groove is provided with first bearing 4, and the first shaft cover 5 of bolt fixedly connected with is passed through to the interior roof of motor end cover 1, and pivot 3 is the step shaft structure, and the surface of 3 upper ends of pivot and the interior anchor ring fixed connection of first bearing 4, the fixed surface of pivot 3 installs electromagnetic winding 6, and the fixed surface of pivot 3 installs impeller dish 13.
Inner wall fixedly connected with permanent magnet 7 of protective housing 2, protective housing 2's interior diapire passes through bolt fixedly connected with second shaft cover 8, the inner wall of second shaft cover 8 is provided with second bearing 9, the surface of 3 lower extremes of pivot and the interior anchor fixed connection of second bearing 9, the round hole has been seted up to protective housing 2's lower surface, the lower extreme of pivot 3 passes the round hole and extends to protective housing 2's lower surface, through setting up first shaft cover 5 and second shaft cover 8, can restrict first bearing 4 and second bearing 9, conveniently dismantle first bearing 4 and second bearing 9 again, make this motor outer rotor assembly have the advantage of being convenient for install and dismantling.
Fan-shaped radiating groove has been seted up to protective housing 2's lower surface, and fan-shaped radiating groove's inner wall fixed mounting has dustproof otter board 12, and a plurality of heat dissipation round hole has been seted up to motor end cover 1's side, and a plurality of heat dissipation round hole is the surface that the circumference array set up at motor end cover 1, the equal fixedly connected with filter screen of inner wall of a plurality of heat dissipation round hole.
Through setting up impeller dish 13 on pivot 3 to set up heat dissipation round hole and fan-shaped radiating groove respectively on motor end cover 1 and protective housing 2 surface, when pivot 3 rotates, can drive impeller dish 13 and rotate for the exchange of motor end cover 1 and protective housing 2 inside air and outside air takes away the heat that produces when electromagnetic winding 6 converts the electric energy into mechanical energy, guarantees that this ceiling fan motor well operates.
The upper surface of the motor end cover 1 is fixedly provided with a traction tube 11 through bolts.
The working principle is as follows: when the outer rotor assembly device of the direct current ceiling fan motor is used, the rotating shaft 3 is driven to rotate under the action of a magnetic field force when the electromagnetic winding 6 is electrified, electric energy is converted into mechanical energy, the rotating shaft 3 drives the impeller disc 13 on the rotating shaft 3 to rotate, the impeller disc 13 discharges air in the motor end cover 1 and the protective shell 2 through the fan-shaped heat dissipation grooves, fresh cold air enters the motor end cover 1 and the protective shell 2 through the heat dissipation holes, heat is dissipated from the ceiling fan motor, and good operation of the ceiling fan motor is guaranteed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a direct current ceiling fan motor outer rotor assembly device, includes motor end cover (1), protective housing (2) and pivot (3), its characterized in that: the inner wall of the motor end cover (1) is provided with a first bearing groove, the inner wall of the first bearing groove is provided with a first bearing (4), the inner wall of the motor end cover (1) is fixedly connected with a first shaft cover (5) through a bolt, the rotating shaft (3) is of a stepped shaft structure, the surface of the upper end of the rotating shaft (3) is fixedly connected with the inner annular surface of the first bearing (4), the surface of the rotating shaft (3) is fixedly provided with an electromagnetic winding (6), the surface of the rotating shaft (3) is fixedly provided with an impeller disc (13), the inner wall of the protective shell (2) is fixedly connected with a permanent magnet (7), the inner bottom wall of the protective shell (2) is fixedly connected with a second shaft cover (8) through a bolt, the inner wall of the second shaft cover (8) is provided with a second bearing (9), and the lower surface of the protective shell (2) is provided with a fan-shaped heat dissipation groove, the inner wall of the fan-shaped heat dissipation groove is fixedly provided with a dustproof screen plate (12), and the side surface of the motor end cover (1) is provided with a plurality of heat dissipation round holes.
2. The external rotor assembly device of the DC ceiling fan motor of claim 1, wherein: the motor end cover (1) and the surface of the protective shell (2) are provided with connecting ring plates, the upper surfaces of the connecting ring plates are provided with through holes matched with each other, the inner walls of the through holes are inserted with connecting bolts (10), and the motor end cover (1) is fixedly connected with the protective shell (2) through the connecting bolts (10).
3. The external rotor assembly device of the DC ceiling fan motor of claim 1, wherein: the surface of pivot (3) lower extreme and the interior anchor ring fixed connection of second bearing (9), the round hole has been seted up to the lower surface of protective housing (2), the lower extreme of pivot (3) passes the round hole and extends to the lower surface of protective housing (2).
4. The external rotor assembly device of the DC ceiling fan motor of claim 1, wherein: the upper surface of the motor end cover (1) is fixedly provided with a traction pipe (11) through a bolt.
5. The external rotor assembly device of the DC ceiling fan motor of claim 1, wherein: the heat dissipation circular holes are arranged on the surface of the motor end cover (1) in a circumferential array mode, and the inner walls of the heat dissipation circular holes are fixedly connected with filter screens.
6. The external rotor assembly device of a DC ceiling fan motor of claim 2, wherein: the number of the connecting bolts (10) is six, and the connecting bolts (10) are circumferentially arranged on the surface of the connecting ring plate at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120228647.5U CN214591013U (en) | 2021-01-27 | 2021-01-27 | Outer rotor assembly device of direct current ceiling fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120228647.5U CN214591013U (en) | 2021-01-27 | 2021-01-27 | Outer rotor assembly device of direct current ceiling fan motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214591013U true CN214591013U (en) | 2021-11-02 |
Family
ID=78348395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120228647.5U Active CN214591013U (en) | 2021-01-27 | 2021-01-27 | Outer rotor assembly device of direct current ceiling fan motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214591013U (en) |
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2021
- 2021-01-27 CN CN202120228647.5U patent/CN214591013U/en active Active
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