CN216290386U - Armature core structure of brushless DC motor - Google Patents
Armature core structure of brushless DC motor Download PDFInfo
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- CN216290386U CN216290386U CN202123023309.7U CN202123023309U CN216290386U CN 216290386 U CN216290386 U CN 216290386U CN 202123023309 U CN202123023309 U CN 202123023309U CN 216290386 U CN216290386 U CN 216290386U
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Abstract
The utility model discloses an armature core structure of a brushless direct current motor, which comprises an iron core, wherein bearings penetrate through and are fixedly connected with the middle positions of the left side and the right side of the iron core, and a commutator is fixedly connected with the middle position of the left side of the iron core. When the motor is used, the iron core is integrally installed inside the motor, the group of copper wires inside is electrified firstly, the copper wires and the rotor iron core are in a magnet effect, the first group of copper wires drives the rotor iron core to rotate with the rotor inside, the other two groups of copper wires are started while the rotor rotates, the rotor iron core and the rotor inside rotate at a high speed under the same effect, the bearings on the two sides can assist the rotor to rotate at a high speed, so that the iron core is prevented from being abraded due to long-time work of the rotor, the service life of the iron core is greatly shortened, the radiating fins have a radiating effect, and the radiating fins can assist in radiating heat generated inside the iron core.
Description
Technical Field
The utility model relates to the technical field of motor equipment, in particular to an armature core structure of a direct-current brushless motor.
Background
And in the process of realizing the mutual conversion of mechanical energy and electric energy by the motor, the component plays a key role and a pivot role. For a generator, it is a component that generates an electromotive force, such as a rotor in a dc generator, a stator in an ac generator; in the case of a motor, which is a component generating electromagnetic force, such as a rotor in a dc motor, an armature includes an armature core and an armature winding, the armature winding is a circuit portion of the dc motor, and is also a portion that induces electric potential and generates electromagnetic torque to perform electromechanical energy conversion (the generator converts mechanical energy into electrical energy), the armature core is a portion of a main circuit and is a supporting component of the armature winding, and the armature winding is embedded in a slot of the armature core.
Chinese patent document 202022814233.9 discloses an armature core structure of a dc brushless motor, which includes an end steel plate and a silicon steel sheet; the number of the silicon steel sheets is multiple, the number of the end steel plates is two, the silicon steel sheets and the end steel plates are arranged together in a laminating manner, and the end steel plates are positioned at two ends of the integral structure after the silicon steel sheets are laminated; tooth structures are arranged on the surfaces of the end steel plate and the silicon steel sheet, the tooth width of the end steel plate is smaller than or equal to that of the silicon steel sheet, and an internal space is reserved for installing a coil assembly; before the laminating process of the end steel plate and the silicon steel sheet, chamfering or rounding the teeth on the outer side of the end steel plate; after the integral structure of the laminated end steel plate and the silicon steel sheet is laminated through a tool, the outer surface of the laminated end steel plate and the laminated silicon steel sheet is welded into a whole; the technical problem to be solved by the utility model is as follows: the problems of end deformation and tooth tension of the welded armature core of the medium and large direct current brushless motors are solved. This patent does not possess the heat dissipation function, uses for a long time to cause inside high temperature easily, causes the internals damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides an armature core structure of a brushless direct current motor.
In order to achieve the purpose, the utility model adopts the following technical scheme: a direct current brushless motor armature core structure comprises an iron core, wherein bearings are fixedly connected to the middle positions of the left side and the right side of the iron core in a penetrating manner, a commutator is fixedly connected to the middle position of the left side of the iron core in a penetrating manner, a rotor is connected to the middle position of the left side of the commutator in a rotating manner, one end of the rotor penetrates through the left side bearing and is fixedly connected with the left side bearing, one end of the rotor penetrates through the right side bearing and is fixedly connected with the right side bearing, a rotor core is fixedly connected to the middle position of the outer diameter of the rotor, three fixed blocks are arranged on the inner diameter of the iron core, a support plate is fixedly connected to the middle position of the bottom of the three fixed blocks, a second mounting bolt is fixedly connected to the right side position of the outer diameter of the iron core in a penetrating manner and is in threaded connection with the first mounting bolt, an expansion rotor is slidably connected to the right side of the rotor in a penetrating manner, and is fixedly connected with a first threaded ring, and the outer diameter of the iron core is fixedly connected with a radiating fin.
As a further description of the above technical solution:
the rotor core is located inside the core.
As a further description of the above technical solution:
and the outer diameters of the three support plates are fixedly connected with copper wires.
As a further description of the above technical solution:
and one end of each second mounting bolt penetrates through the fixing block and is in threaded connection with the fixing block.
As a further description of the above technical solution:
and one end of each first mounting bolt penetrates through the fixing block and is in threaded connection with the fixing block.
As a further description of the above technical solution:
and a second thread ring is fixedly connected to the left position of the outer diameter of the expansion rotor.
As a further description of the above technical solution:
and the outer diameters of the first thread ring and the second thread ring are in threaded connection with an installation cylinder.
The utility model has the following beneficial effects:
1. when the motor is used, the iron core is integrally installed inside the motor, the group of copper wires inside the motor is electrified firstly, the copper wires and the rotor iron core are under the action of the magnet, the first group of copper wires drives the rotor iron core to rotate with the rotor inside the motor, the other two groups of copper wires are started while the rotor rotates, the rotor iron core and the rotor inside the motor rotate at a high speed under the same action, and the bearings on the two sides can assist the rotor to rotate at a high speed so as to prevent the rotor from being abraded due to long-time work, and the service life of the iron core is greatly shortened.
2. According to the utility model, the expansion rotor is connected to the right side of the rotor in a sliding manner, the mounting cylinder with the outer diameter can be disassembled by screwing the first threaded ring and the second threaded ring, the expansion rotor can be replaced later by the device, the service life of the rotor is greatly prolonged, the situation that the rotor cannot be replaced when the rotor is damaged later is avoided, if internal accessories need to be replaced later, the first mounting bolt and the second mounting bolt can be disassembled, then an internal fixing plate, a supporting plate and copper wires with the outer diameter are taken out, the replaced accessories can be installed, the outer diameter of the iron core is provided with the radiating fins, when each part in the iron core works at a high speed, the radiating fins play a radiating role, and the radiating fins can be used for assisting in radiating heat generated in the iron core, and the device is simple to operate, convenient to install and very convenient to use.
Drawings
Fig. 1 is a perspective view of an iron core of an armature core structure of a dc brushless motor according to the present invention;
fig. 2 is a side perspective view of an iron core of an armature core structure of a dc brushless motor according to the present invention;
fig. 3 is an internal structural view of an iron core of an armature core structure of a dc brushless motor according to the present invention;
fig. 4 is an exploded view of a rotor and an expanded rotor of an armature core structure of a dc brushless motor according to the present invention;
fig. 5 is a perspective view of an armature core structure of a dc brushless motor according to the present invention.
Illustration of the drawings:
1. an iron core; 2. a first mounting bolt; 3. a second mounting bolt; 4. a commutator; 5. a rotor; 6. mounting the cylinder; 7. expanding the rotor; 8. a bearing; 9. a fixed block; 10. a support plate; 11. a copper wire; 12. a rotor core; 13. a first thread turn; 14. a second thread turn; 15. and (4) radiating fins.
Detailed Description
Referring to fig. 1-5, one embodiment of the present invention is provided: a direct current brushless motor armature core structure comprises an iron core 1, wherein the middle positions of the left side and the right side of the iron core 1 are both penetrated and fixedly connected with bearings 8, the middle position of the left side of the iron core 1 is fixedly connected with a commutator 4, the middle position of the left side of the commutator 4 is penetrated and rotatably connected with a rotor 5, one end of the rotor 5 is penetrated through the left side bearing 8 and fixedly connected with the left side bearing and one end of the rotor 5 is penetrated through the right side bearing 8 and fixedly connected with the right side bearing, the middle position of the outer diameter of the rotor 5 is fixedly connected with a rotor core 12, the inner diameter of the iron core 1 is provided with three fixed blocks 9, the middle positions of the bottoms of the three fixed blocks 9 are all fixedly connected with a support plate 10, the right position of the outer diameter of the iron core 1 is penetrated and threadedly connected with a second mounting bolt 3, the left position of the outer diameter of the iron core 1 is penetrated and threadedly connected with a first mounting bolt 2, and the right side of the rotor 5 is slidably connected with an expansion rotor 7, 5 external diameter right side position fixedly connected with of rotor 13, 1 external diameter fixedly connected with radiating fin 15 of iron core, when using, with 1 integral erection of iron core to inside the motor, switch on a set of copper line 11 of inside earlier, copper line 11 is the magnet effect with rotor core 12, first set of copper line 11 drives rotor core 12 and rotates with inside rotor 5, other two sets of copper lines 11 are started to the pivoted while, under the same effect, make inside rotor core 12 and rotor 5 rotate at a high speed, the bearing 8 of both sides can assist rotor 5 to carry out high-speed rotation, make iron core 1 receive wearing and tearing in order to avoid rotor 5 long-time work, the life of iron core 1 has significantly reduced.
The rotor core 12 is positioned in the iron core 1, the outer diameters of the three support plates 10 are fixedly connected with copper wires 11, one ends of the three second mounting bolts 3 penetrate through the fixing block 9 and are in threaded connection, one ends of the three first mounting bolts 2 penetrate through the fixing block 9 and are in threaded connection, the left side of the outer diameter of the expanding rotor 7 is fixedly connected with a second threaded ring 14, the outer diameters of the first threaded ring 13 and the second threaded ring 14 are in threaded connection with the mounting cylinder 6, the right side of the rotor 5 is slidably connected with the expanding rotor 7, the mounting cylinder 6 with the outer diameter can be screwed and disassembled through the first threaded ring 13 and the second threaded ring 14, the expanding rotor 7 can be replaced in the later stage through the device, the service life of the rotor 5 is greatly prolonged, the situation that the rotor 5 cannot be replaced when the rotor 5 is damaged in the later stage is avoided, if accessories in the later stage need to be replaced, the first mounting bolts 2 and the second mounting bolts 3 can be disassembled, then take out inside fixed plate 9 and extension board 10 and the copper line 11 of external diameter, at this moment will be changed the accessory installation of new can, 1 external diameter of iron core is provided with radiating fin 15, each part of 1 inside of iron core is at high-speed during operation, radiating fin 15 plays a radiating effect, radiating fin 15 assists the heat dissipation with the heat that 1 inside of iron core produced, this equipment operation is simple, it is comparatively convenient to install, it is very convenient to use.
The working principle is as follows: when the device is used, the iron core 1 is integrally installed inside the motor, the internal copper wires 11 are firstly electrified, the copper wires 11 and the rotor core 12 are in a magnet action, the first copper wires 11 drive the rotor core 12 and the internal rotor 5 to rotate, the other copper wires 11 are started while rotating, under the same action, the internal rotor core 12 and the rotor 5 rotate at a high speed, the bearings 8 on the two sides can assist the rotor 5 to rotate at a high speed, so that the iron core 1 is prevented from being worn due to long-time work of the rotor 5, the service life of the iron core 1 is greatly reduced, the expansion rotor 7 is slidably connected to the right side of the rotor 5, the installation cylinder 6 with the outer diameter can be unscrewed through the first threaded ring 13 and the second threaded ring 14 to be disassembled, the expansion rotor 7 can be replaced in the later period of the device, the service life of the rotor 5 is greatly prolonged, so that the rotor 5 cannot be replaced when the rotor 5 is damaged in the later period, need change inside accessory like the later stage, can demolish first construction bolt 2 and second construction bolt 3, then take out inside fixed plate 9 and extension board 10 and the copper line 11 of external diameter, at this moment with the accessory installation of renewal can, 1 external diameter of iron core is provided with radiating fin 15, 1 inside each part of iron core is at high-speed during operation, radiating fin 15 plays a radiating effect, radiating fin 15 assists the heat dissipation with the heat of 1 inside production of iron core, the equipment operation is simple, the installation is comparatively convenient, it is very convenient to use.
Claims (7)
1. The utility model provides a brushless DC motor armature core structure, includes iron core (1), its characterized in that: the iron core (1) left and right sides intermediate position all runs through and fixedly connected with bearing (8), iron core (1) left side intermediate position fixedly connected with commutator (4), commutator (4) left side intermediate position runs through and rotates and is connected with rotor (5), rotor (5) one end runs through left side bearing (8) and fixedly connected and rotor (5) one end runs through right side bearing (8) and fixedly connected, rotor (5) external diameter intermediate position fixedly connected with rotor core (12), iron core (1) internal diameter all is provided with three fixed block (9), three fixed block (9) bottom intermediate position all fixedly connected with extension board (10), iron core (1) external diameter right side position all runs through and threaded connection has second construction bolt (3), iron core (1) external diameter left side position runs through and threaded connection has first construction bolt (2), rotor (5) right side sliding connection has expansion rotor (7), rotor (5) external diameter right side position fixedly connected with first thread circle (13), iron core (1) external diameter fixedly connected with radiating fin (15).
2. The structure of the armature core of the brushless dc motor according to claim 1, wherein: the rotor iron core (12) is positioned inside the iron core (1).
3. The structure of the armature core of the brushless dc motor according to claim 1, wherein: the outer diameters of the three support plates (10) are fixedly connected with copper wires (11).
4. The structure of the armature core of the brushless dc motor according to claim 1, wherein: one end of each of the three second mounting bolts (3) penetrates through the fixing block (9) and is in threaded connection.
5. The structure of the armature core of the brushless dc motor according to claim 1, wherein: and one end of each first mounting bolt (2) penetrates through the fixing block (9) and is in threaded connection.
6. The structure of the armature core of the brushless dc motor according to claim 1, wherein: and a second thread ring (14) is fixedly connected to the left side of the outer diameter of the expansion rotor (7).
7. The structure of the armature core of the brushless dc motor according to claim 1, wherein: the outer diameters of the first thread ring (13) and the second thread ring (14) are in threaded connection with an installation cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123023309.7U CN216290386U (en) | 2021-12-03 | 2021-12-03 | Armature core structure of brushless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123023309.7U CN216290386U (en) | 2021-12-03 | 2021-12-03 | Armature core structure of brushless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216290386U true CN216290386U (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123023309.7U Active CN216290386U (en) | 2021-12-03 | 2021-12-03 | Armature core structure of brushless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216290386U (en) |
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2021
- 2021-12-03 CN CN202123023309.7U patent/CN216290386U/en active Active
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