CN220325401U - High-rotation-speed brushless motor - Google Patents
High-rotation-speed brushless motor Download PDFInfo
- Publication number
- CN220325401U CN220325401U CN202321860472.5U CN202321860472U CN220325401U CN 220325401 U CN220325401 U CN 220325401U CN 202321860472 U CN202321860472 U CN 202321860472U CN 220325401 U CN220325401 U CN 220325401U
- Authority
- CN
- China
- Prior art keywords
- connecting part
- sheet
- heat conducting
- groove
- cylinder body
- 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.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000741 silica gel Substances 0.000 claims abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 8
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Abstract
The utility model relates to the technical field of motors, in particular to a high-rotation-speed brushless motor, which comprises a shell with an accommodating space, a stator iron core and a rotor iron core, wherein the stator iron core and the rotor iron core are coaxially arranged, the rotor iron core is arranged in the stator iron core, magnetic steel is arranged on the rotor iron core, a plurality of openings are formed in a cylinder body, a heat conducting piece is connected to the openings and made of a heat conducting silica gel sheet, the heat conducting piece comprises an inner connecting part, an outer connecting part and a connecting part, the two ends of the connecting part are connected with the inner connecting part and the outer connecting part, the inner connecting part is abutted against the stator iron core, the outer connecting part is abutted against the outer wall of the cylinder body, and sheets for connecting the heat conducting piece with the cylinder body are arranged on the outer connecting part.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a high-rotation-speed brushless motor.
Background
The brushless motor is composed of a motor main body and a driver, and is a typical electromechanical integrated product. In the popularization process of smart home nowadays, brushless motors are mainstream power output devices, such as massage devices, hair dryers, sweeping robots and the like.
Such as one disclosed in publication No. CN213783018,
the inside of the rotor core is provided with radiating fins, the upper end plate and the lower end plate are provided with radiating holes, the inside of the rotor core is radiated, the heat of the structure is led out slowly, the overheat condition exists, and the rotating speed of the motor is affected.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the high-rotation-speed brushless motor with reasonable and simple structure, strong practicability and strong heat dissipation performance.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the high-rotation-speed brushless motor comprises a housing with an accommodating space, a stator core and a rotor core, wherein the stator core and the rotor core are coaxially arranged in the housing, the rotor core is arranged in the stator core, magnetic steel is arranged on the rotor core, the housing comprises a top cover, a cylinder body and a bottom cover, a circuit board and a first bearing are arranged on the top cover, a second bearing is arranged on the bottom cover, two ends of the shaft core of the rotor core are respectively and rotatably connected with the first bearing and the second bearing, a plurality of openings are formed in the cylinder body, a heat conducting piece is connected on the openings, the heat conducting piece is made of a heat conducting silica gel sheet,
the heat conducting piece comprises an inner connecting part, an outer connecting part and a connecting part, wherein the inner connecting part and the outer connecting part are connected at two ends of the connecting part, the inner connecting part is in conflict with the stator core, the outer wall of the outer connecting part is in conflict with the outer wall of the cylinder body, the connecting part is arranged in the opening, the width of the outer connecting part and the inner connecting part is larger than that of the connecting part, and the outer connecting part is provided with a sheet for connecting the outer connecting part and the cylinder body.
The utility model is further provided with: the outer peripheral wall of the cylinder body is provided with a groove communicated with the opening, the external connection part is connected with the sheet, and the sheet is arranged in the groove.
The utility model is further provided with: the sheet is provided with a plugging groove along the length direction, the bottom surface of the sheet is provided with a notch communicated with the plugging groove, the external connection part is arranged in the plugging groove, the connection part is arranged in the notch, and the sheet is provided with threaded holes along four vertex angle positions.
The utility model is further provided with: and a through hole communicated with the groove is formed in the position, corresponding to the threaded hole, of the groove, so that the groove and the threaded hole are in butt joint by the screw.
Compared with the defects in the prior art, the utility model has the beneficial effects that:
the internal connection part of the heat conducting piece is arranged in the cylinder and is contacted with the stator core, heat is conducted out of the cylinder by utilizing the heat conducting property of the heat conducting silica gel piece, and finally, the heat is dissipated outside the cylinder through the external connection part, so that the overall heat dissipation effect of the motor is improved, the energy consumption of the motor is reduced, and the working efficiency of the motor is ensured.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the cylinder of the present utility model;
FIG. 3 is a schematic view of the assembly of the heat conducting member and the cylinder according to the present utility model;
fig. 4 is a schematic structural view of the heat conductive member of the present utility model.
The heat-conducting member comprises a shell 1, a top cover 11, a cylinder 2, a bottom cover 12, a stator core 4, a rotor core 5, a circuit board 3, a first bearing 13, a second bearing 14, an opening 20, a groove 201, a through hole 202, a heat-conducting member 6, an inner joint 61, an outer joint 62, a joint 63, a sheet 7, an insertion groove 71, a notch 72 and a screw 8.
Description of the embodiments
Embodiments of the present utility model will be further described with reference to fig. 1 to 4.
The specific structure of the embodiment is as follows: including having accommodation space's shell 1, arranging stator core 4 and rotor core 5 in shell 1 in, stator core 4 and the coaxial setting of rotor core 5, rotor core 5 arranges in stator core 4, is equipped with the magnet steel on the rotor core 5, and shell 1 includes top cap 11, barrel 2 and bottom 12, installs circuit board 3 and first bearing 13 on the top cap 11, installs second bearing 14 on the bottom 12, and rotor core 5's axle core both ends and respectively with first bearing 13 and second bearing 14 rotate to be connected.
Three openings 20 uniformly distributed on the peripheral wall are formed in the cylinder body 2, the openings 20 are connected with heat conducting pieces 6, and the heat conducting pieces are made of heat conducting silica gel sheets. The heat conductive member 6 includes an inner joint portion 61, an outer joint portion 62, and an engagement portion 63, which are integrally formed. The two ends of the connecting portion 63 are connected with the inner connecting portion 61 and the outer connecting portion 62, and the section of the heat conducting member 6 is in an I shape. The width of the external portion 62 and the internal portion 61 is larger than the width of the engagement portion 63.
The inner joint portion 61 abuts against the stator core 4, and during this time, when the stator core 4 is pressed, the inner joint portion 61 is stretched, and the outer joint portion 62 abuts against the outer wall of the cylinder 2. The engagement portion 63 is disposed in the opening 20, and the sheet 7 is attached to the external portion 62. The sheet 7 is made of aluminum material, and the heat dissipation efficiency is improved by utilizing the heat dissipation property.
The outer peripheral wall of the cylinder 2 is provided with a groove 201 communicating with the opening 20, the external connection portion 62 is connected to the sheet 7, and the sheet 7 is placed in the groove 201.
The sheet 7 is provided with a plugging groove 71 along the length direction thereof, the bottom surface of the sheet 7 is provided with a notch 72 communicated with the plugging groove 71, the combined cross section of the notch 72 and the plugging groove 71 is T-shaped, and then the external connection part 62 is arranged in the plugging groove 71, and the connection part 63 is arranged in the notch 72. Threaded holes are formed in the sheet 7 along the four vertex angles. Through holes 202 communicated with the grooves 201 are formed in positions corresponding to the threaded holes 202, so that the screws 8 butt against the grooves.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.
Claims (4)
1. The utility model provides a high rotational speed brushless motor, includes shell (1) that has accommodation space, arranges stator core (4) and rotor core (5) in shell (1), stator core (4) and rotor core (5) coaxial setting, stator core (4) are arranged in to rotor core (5), are equipped with the magnet steel on rotor core (5), shell (1) include top cap (11), barrel (2) and bottom (12), install circuit board and first bearing (13) on top cap (11), install second bearing (14) on bottom (12), the axle core both ends of rotor core (5) rotate with first bearing (13) and second bearing (14) respectively and are connected, its characterized in that: a plurality of openings (20) are arranged on the cylinder body (2), the openings (20) are connected with heat conducting pieces (6), the heat conducting pieces (6) are made of heat conducting silica gel sheets,
the heat conducting piece (6) comprises an inner joint (61), an outer joint (62) and a connecting part (63), wherein the inner joint (61) and the outer joint (62) are connected to the two ends of the connecting part (63), the inner joint (61) is in conflict with the stator core (4), the outer joint (62) is in conflict with the outer wall of the cylinder body (2), the connecting part (63) is arranged in the opening (20), the width of the outer joint (62) and the inner joint (61) is larger than the width of the connecting part (63), and the outer joint (62) is provided with a sheet (7) for connecting the outer joint with the cylinder body (2).
2. A high rotational speed brushless motor as defined in claim 1, wherein: a groove (201) communicated with the opening (20) is formed in the peripheral wall of the cylinder body (2), the external connection part (62) is connected to the sheet (7), and the sheet (7) is arranged in the groove (201).
3. A high rotational speed brushless motor as defined in claim 2, wherein: the sheet (7) is provided with a plug-in groove (70) along the length direction, the bottom surface of the sheet (7) is provided with a notch (72) communicated with the plug-in groove (70), the external connection part (62) is arranged in the plug-in groove (70), the connection part (63) is arranged in the notch (72), and the sheet (7) is provided with threaded holes along four vertex angles.
4. A high rotational speed brushless motor according to claim 3, wherein: through holes (202) communicated with the grooves (201) are formed in positions corresponding to the threaded holes, so that the screws (8) butt the grooves and the threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860472.5U CN220325401U (en) | 2023-07-14 | 2023-07-14 | High-rotation-speed brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321860472.5U CN220325401U (en) | 2023-07-14 | 2023-07-14 | High-rotation-speed brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325401U true CN220325401U (en) | 2024-01-09 |
Family
ID=89419032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321860472.5U Active CN220325401U (en) | 2023-07-14 | 2023-07-14 | High-rotation-speed brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325401U (en) |
-
2023
- 2023-07-14 CN CN202321860472.5U patent/CN220325401U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |