CN112398274A - Inner rotor permanent magnet motor and winding drum - Google Patents
Inner rotor permanent magnet motor and winding drum Download PDFInfo
- Publication number
- CN112398274A CN112398274A CN202011441975.XA CN202011441975A CN112398274A CN 112398274 A CN112398274 A CN 112398274A CN 202011441975 A CN202011441975 A CN 202011441975A CN 112398274 A CN112398274 A CN 112398274A
- Authority
- CN
- China
- Prior art keywords
- end cover
- motor
- permanent magnet
- stator core
- winding drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/165—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2207/00—Specific aspects not provided for in the other groups of this subclass relating to arrangements for handling mechanical energy
- H02K2207/03—Tubular motors, i.e. rotary motors mounted inside a tube, e.g. for blinds
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention relates to the technical field of motors, in particular to an inner rotor permanent magnet motor and a winding drum. Permanent-magnet machine includes the rotor shaft, the stator core that has the winding, motor casing, be provided with the permanent magnet on the rotor shaft and be provided with the biography torsion shaft on its one end and stretch, the stator core suit is on the rotor shaft, motor casing suit is on stator core and both interference fit, the one end that the epaxial biography torsion shaft that sets up of rotor stretched is connected with quiet end cover through the bearing, its other end is connected with the biography torsion end cover through the bearing, quiet end cover and biography torsion end cover are connected with motor casing through flange and bolt respectively. The permanent magnet motor is arranged in the winding drum shell, the torque transmission end cover is connected with the front end cover through a bearing, the rotor shaft extends through the torque transmission shaft to be connected with the rear end cover, and two ends of the winding drum shell are connected with the front end cover and the rear end cover through flanges and bolts respectively. The inner space of the winding drum is fully utilized, the difficulty of workpiece manufacturing is reduced, and modularization, serialization management and batch production of motor products are facilitated.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an inner rotor permanent magnet motor and a winding drum.
Background
The existing drum motor usually adopts a structure that a rotor is arranged in an outer stator, the motor design has the characteristics of low speed and large torque, a speed reducer can be omitted, and the purposes of high efficiency, low fault point, less maintenance and the like are achieved, and the motor is called as an outer rotor motor; the stator of the outer rotor motor is arranged on a fixed central shaft, and the rotor is in a reel shape and is coated on the outer side of the stator; the two ends of the outer cylinder rotor are provided with flange end covers which are connected with the central shaft through bearings, and the inner wall of the outer cylinder rotor is embedded with permanent magnets which act with a rotating magnetic field generated by the stator winding after being electrified to drive the outer cylinder rotor to rotate; the scheme is well applied in partial fields, but has the advantages of complex structure, high manufacturability, high processing difficulty, high manufacturing cost and difficult maintenance; and the motor is difficult to form modularization and serialization under the influence of application conditions, space size and the like.
Disclosure of Invention
The invention aims to solve the problems, and provides an inner rotor permanent magnet motor and a winding drum, wherein the inner space of the winding drum is fully utilized, the motor is arranged in the winding drum, and a plurality of mounting structural members required by the motor arranged outside the winding drum are eliminated, so that the integral structure is compact, the size is small, the weight is light, the difficulty of an assembly process and the difficulty of workpiece manufacture are reduced, the production and manufacturing cost is reduced, the maintenance and the maintenance of a product are simple, the loss caused by miswork is reduced, meanwhile, the modularization, the serialization management and the batch production of motor products are facilitated, the material cost is effectively controlled, and the inner rotor permanent magnet motor and the winding drum are suitable for occasions with limited winding drum mounting space.
The invention solves the problems and adopts the technical scheme that:
the utility model provides a permanent magnet motor, including the rotor spindle, the stator core that has the winding, motor casing, the epaxial permanent magnet that is provided with of rotor is and be provided with the biography torsion shaft on its one end and stretch, stator core suit is on the rotor spindle, motor casing suit is on stator core and both interference fit, the epaxial one end that sets up the biography torsion shaft and stretch is connected with quiet end cover through the bearing of rotor, its other end is connected with the biography torsion end cover through the bearing, quiet end cover and biography torsion end cover are connected with motor casing through flange and bolt respectively.
Preferably, the inner wall of the motor shell is provided with a limiting step matched with the stator core; the limiting step has a limiting effect on the stator core.
Preferably, two ends of the stator core are respectively provided with a temperature sensor; the temperature acquisition device is used for acquiring the temperature of the stator core.
The utility model provides a winding drum, includes winding drum casing, front end housing, rear end cap, still includes as above permanent-magnet machine, permanent-magnet machine sets up in the winding drum casing, and the biography is turned round the end cover and is connected with the front end housing through the bearing, and the rotor shaft stretches through the biography and is connected with the rear end cap, and the both ends of winding drum casing are connected with front end housing and rear end cap through flange and bolt respectively.
Preferably, the outer circumferential surface of the drum housing is provided with an anti-slip structure.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the invention fully utilizes the internal space of the winding drum, installs the motor in the winding drum, removes a plurality of installation structural members required by the installation of the motor outside the winding drum, has compact integral structure, small volume and light weight, reduces the difficulty of assembly process and workpiece manufacture, reduces the production and manufacturing cost, simplifies the maintenance of products, reduces the loss caused by error work, is convenient for the modularization, the serialization management and the batch production of motor products, effectively controls the material cost, and is suitable for the occasions with limited winding drum installation space.
Drawings
FIG. 1 is a schematic structural view of a permanent magnet motor and a reel installation according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a front view of a motor housing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a front view of a torque transmission end cap according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a front view of a stationary end cap according to an embodiment of the present invention;
fig. 5 is a schematic view of a front view structure of a stator core according to an embodiment of the present invention;
FIG. 6 is a schematic view of a front view of a rotor shaft in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a front view of a permanent magnet motor according to an embodiment of the present invention;
FIG. 8 is a schematic view of a front view of a spool housing in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a front end cap in front elevation according to an embodiment of the present invention;
FIG. 10 is a schematic illustration of a front view of a rear end cap according to an embodiment of the present invention;
in the figure: a rotor shaft 1; a permanent magnet 1-1; 1-2 parts of a first torque transmission shaft extension; positioning the shaft 1-3; a stator core 2; a motor housing 3; a limiting step 3-1; a first flange 3-2; a second flange 3-3; a temperature sensor 4; a static end cover 5; a fourth flange 5-1; a torque transmission end cover 6; a second torque transmission shaft extends by 6-1; a third flange 6-2; a spool housing 7; a front end cap 8; a rear end cap 9; positioning holes 9-1; a torque transmission hole extends by 9-2; 9-3 of a support shaft extension; a rope groove 10.
Detailed Description
The invention will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the invention to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the invention.
Referring to fig. 1 to 10, the technical solution of the present invention is as follows:
a permanent magnet motor comprises a rotor shaft 1, a stator core 2 with windings and a motor shell 3, wherein a permanent magnet 1-1 is arranged in the middle of the rotor shaft 1, a first torque transmission shaft extension 1-2 and a positioning shaft 1-3 are arranged at one end of the rotor shaft 1, the stator core 2 is sleeved on the rotor shaft 1, the motor shell 3 is sleeved on the stator core 2 and is in interference fit with the stator core 2, one end of the rotor shaft 1, provided with the first torque transmission shaft extension 1-2, is connected with a static end cover 5 through a bearing, the other end of the rotor shaft is connected with a torque transmission end cover 6 through a bearing, and the static end cover 5 and the torque transmission end cover 6 are respectively connected with the motor shell 3 through a flange; a first flange 3-2 and a second flange 3-3 are respectively arranged at two ends of the motor shell 3, and two ends of the motor shell 3 are respectively connected with a torque transmission end cover 6 and a static end cover 5 through bolts through the first flange 3-2 and the second flange 3-3; the outer side of the torque transmission end cover 6 is provided with a second torque transmission shaft extension 6-1 and a bearing position, the inner side of the torque transmission end cover 6 is provided with a third flange 6-2 and a bearing chamber which are connected with the motor shell 3, and the inner side of the static end cover 5 is provided with the bearing chamber and a fourth flange 5-1 which is connected with the motor shell 3.
The inner wall of the motor shell 3 is provided with a limiting step 3-1 matched with the stator core 2; the limiting step 3-1 has a limiting effect on the stator core 2.
Two ends of the stator core 2 are respectively provided with a temperature sensor 4; for collecting the temperature of the stator core 2.
A winding drum comprises a winding drum shell 7 and a front end cover 8, the rear end cover 9 further comprises the permanent magnet motor as described above, the permanent magnet motor is installed in the drum shell 7, the torque transmission end cover 6 is connected with the front end cover 8 through a bearing, the rotor shaft 1 is connected with the rear end cover 9 through the first torque transmission shaft extension 1-2, two ends of the drum shell 7 are connected with the front end cover 8 and the rear end cover 9 through flanges and bolts respectively, the inner side of the front end cover 8 is provided with a bearing chamber and a flange connected with the drum shell 7, the inner side of the rear end cover 9 is provided with a positioning hole 9-1, a torque transmission hole extension 9-2 and a flange connected with the drum shell 7, the positioning hole 9-1 and the torque transmission hole extension 9-2 are connected with a positioning shaft 1-3 and a first torque transmission shaft extension 1-2 on the rotor shaft 1 respectively, and the inner side of the rear end cover 9 is provided with a bearing position and a.
The drum housing 7 is provided with a rope groove 10 on the outer circumferential surface thereof.
The working principle is as follows: the torque transmission end cover 6 acts on the winding drum shell 7 in a static reaction mode, the stator core 2 forms a rotating magnetic field after being electrified to act with the permanent magnet 1-1 on the rotor shaft 1 to drive the rotor shaft 1 to rotate, and rotating power is transmitted to the rear end cover 9 through the first torque transmission shaft extension 1-2 on the rotor shaft 1 and then to the winding drum shell 7 to achieve rotation.
The invention fully utilizes the internal space of the winding drum, installs the motor in the winding drum, removes a plurality of installation structural members required by the installation of the motor outside the winding drum, has compact integral structure, small volume and light weight, reduces the difficulty of assembly process and workpiece manufacture, reduces the production and manufacturing cost, simplifies the maintenance of products, reduces the loss caused by error work, is convenient for the modularization, the serialization management and the batch production of motor products, effectively controls the material cost, and is suitable for the occasions with limited winding drum installation space.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (5)
1. The utility model provides a permanent-magnet machine, includes rotor shaft, stator core, motor casing that has the winding, its characterized in that: the permanent magnet is arranged on the rotor shaft, a torque transmission shaft extension is arranged at one end of the permanent magnet, the stator core is sleeved on the rotor shaft, the motor shell is sleeved on the stator core and is in interference fit with the stator core, a static end cover is connected to one end, provided with the torque transmission shaft extension, of the rotor shaft through a bearing, a torque transmission end cover is connected to the other end of the rotor shaft through a bearing, and the static end cover and the torque transmission end cover are connected with the motor shell through flanges and bolts respectively.
2. The permanent magnet electric machine of claim 1, wherein: the inner wall of the motor shell is provided with a limiting step matched with the stator core.
3. The permanent magnet electric machine of claim 1, wherein: and two ends of the stator core are respectively provided with a temperature sensor.
4. The utility model provides a reel, includes reel casing, front end housing, rear end cap, its characterized in that: the permanent magnet motor is arranged in a winding drum shell, a torque transmission end cover is connected with a front end cover through a bearing, a rotor shaft is connected with a rear end cover through a torque transmission shaft extension, and two ends of the winding drum shell are respectively connected with the front end cover and the rear end cover through flanges and bolts.
5. The spool as claimed in claim 4, characterized in that: an anti-slip structure is arranged on the outer circumferential surface of the reel shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441975.XA CN112398274A (en) | 2020-12-11 | 2020-12-11 | Inner rotor permanent magnet motor and winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441975.XA CN112398274A (en) | 2020-12-11 | 2020-12-11 | Inner rotor permanent magnet motor and winding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112398274A true CN112398274A (en) | 2021-02-23 |
Family
ID=74625222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011441975.XA Pending CN112398274A (en) | 2020-12-11 | 2020-12-11 | Inner rotor permanent magnet motor and winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112398274A (en) |
-
2020
- 2020-12-11 CN CN202011441975.XA patent/CN112398274A/en active Pending
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