CN207234615U - Beneficial to the brushless electric machine of heat dissipation - Google Patents
Beneficial to the brushless electric machine of heat dissipation Download PDFInfo
- Publication number
- CN207234615U CN207234615U CN201721354574.4U CN201721354574U CN207234615U CN 207234615 U CN207234615 U CN 207234615U CN 201721354574 U CN201721354574 U CN 201721354574U CN 207234615 U CN207234615 U CN 207234615U
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- electric machine
- bearing bracket
- rear end
- drive end
- end cap
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Abstract
The purpose of this utility model is to provide the brushless electric machine that a kind of heat dissipation effect is significantly beneficial to heat dissipation.To achieve the above object, the utility model adopts the following technical solution：A kind of brushless electric machine for being beneficial to heat dissipation, including electric machine casing, drive end bearing bracket and rear end cap, the drive end bearing bracket and rear end cap are individually fixed in the wherein side of the axial both sides of the electric machine casing, formed with some drive end bearing bracket windows in the axial face and/or circumferential surface of the drive end bearing bracket, formed with some rear end cap windows in the axial face and/or circumferential surface of the rear end cap.The motor front and back end of the utility model is respectively equipped with drive end bearing bracket window and rear end cap window, can improve ventilation effect, to increase heat dissipation effect.
Description
Technical field
It the utility model is related to a kind of brushless electric machine.
Background technology
Existing brushless electric machine, some motor speeds are very fast, radiate if mismatching wind turbine, motor is easily burnt
Ruin.
The content of the invention
The purpose of this utility model is to provide the brushless electric machine that a kind of heat dissipation effect is significantly beneficial to heat dissipation.
To achieve the above object, the utility model adopts the following technical solution：A kind of brushless electric machine for being beneficial to heat dissipation, including
Electric machine casing, drive end bearing bracket and rear end cap, the drive end bearing bracket and rear end cap are individually fixed in the axial both sides of the electric machine casing
Wherein side, formed with some drive end bearing bracket windows, the axial direction of the rear end cap in the axial face and/or circumferential surface of the drive end bearing bracket
Formed with some rear end cap windows on face and/or circumferential surface.
The motor front and back end of the utility model is respectively equipped with drive end bearing bracket window and rear end cap window, can improve ventilation effect,
To increase heat dissipation effect.
Preferably, being equipped with motor shaft in the electric machine casing, the drive end bearing bracket and rear end cap are equipped with for coordinating institute
State the bearing chamber of motor shaft, the both ends of motor shaft both pass through bearing chamber to extend on the outside of motor, one end of motor shaft with it is other
Axis links, and the other end of motor shaft is fixed with fan blade, and the motor shaft rotates and makes the fan blade to electric machine casing cross air blasting.This
Utility model motor carries fan blade, and heat dissipation effect is more preferable, and need not additionally set wind turbine, and cost is lower.
Preferably, the drive end bearing bracket, electric machine casing and rear end cap at least three mounting holes corresponded, described
Drive end bearing bracket, electric machine casing and rear end cap are fixed at least through three fasteners, and the mounting hole is engaged with fastener.It is above-mentioned
The concentricity of two bearing chambers can be ensured by setting so that the air gap between the stator in rotor and electric machine casing on motor shaft is equal
It is even.
Preferably, the rear end cap window includes some rear end cap axial face windows for being arranged at axial face, is arranged at
The rear end cap circumferential surface window of circumferential surface, the rear end cap axial face window are connected with rear end cap circumferential surface window, the fan blade
It is arranged at the motor shaft rear end.Above-mentioned setting causes air-flow to more easily pass motor, makes the heat dissipation effect of motor more preferable.
Preferably, the drive end bearing bracket window includes some drive end bearing bracket axial face windows for being arranged at axial face, is arranged at
The drive end bearing bracket circumferential surface window of circumferential surface, the quantity of the drive end bearing bracket axial face window and the quantity one of drive end bearing bracket circumferential surface window
Cause, the drive end bearing bracket axial face window is located relatively between two drive end bearing bracket circumferential surface windows, the drive end bearing bracket circumferential surface window
It is located relatively between two drive end bearing bracket axial face windows.The above-mentioned air-flow that is configured so that more easily passes motor, makes dissipating for motor
Thermal effect is more preferable.
Preferably, the fan blade includes fan blade bottom plate, the motor shaft ends are fixed with the fan blade bottom plate, the wind
Tea residue plate is equipped with some fan blade fan blades towards the face of electric machine casing, and some fan blade fan blades are set in the form of sheets, some blade fans
Uniform intervals are arranged on fan blade bottom plate piece in a ring, and some fan blade fan blades form the radial knot centered on motor shaft
Structure.Above-mentioned setting is so that the circulation of air is more smooth.
Preferably, the drive end bearing bracket and rear end cap include the rib knot identical with electric machine casing outer rim planform
Structure, the mounting hole on the electric machine casing extend with through the peripheral outer wall of the electric machine casing, the rib structure laterally
The position of corresponding mounting hole extends to motor casing side and formed with protection protrusion.Above-mentioned setting is so that the motor of the utility model
Assemble more convenient, make the manufacture of electric machine casing more convenient.
The utility model has the advantages that raising motor radiating effect can be made.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the utility model；
Fig. 2 is another structure diagram of the utility model.
Embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, a kind of brushless electric machine for being beneficial to heat dissipation of the utility model, including electric machine casing 1, drive end bearing bracket
2 and rear end cap 3, drive end bearing bracket 2 and rear end cap 3 are individually fixed in the wherein side of the axial both sides of electric machine casing 1, on drive end bearing bracket 2
Formed with some drive end bearing bracket windows, formed with some rear end cap windows on rear end cap 3.Drive end bearing bracket window is arranged at axis including four
The drive end bearing bracket circumferential surface window 22 for being arranged at circumferential surface to the drive end bearing bracket axial face window 21, four in face, drive end bearing bracket axial direction face-port
The quantity of mouth 21 is consistent with the quantity of drive end bearing bracket circumferential surface window 22, and drive end bearing bracket axial face window 21 is located relatively at two drive end bearing brackets
Between circumferential surface window 22, drive end bearing bracket circumferential surface window 22 is located relatively between two drive end bearing bracket axial face windows 21.Rear end cap
Window includes four rear end cap axial face windows 31 4 for being arranged at axial face, is arranged at the rear end cap circumferential direction face-port of circumferential surface
Mouth 32, rear end cap axial face window 31 is corresponded with rear end cap circumferential surface window 32, and each rear end cap axial face window 31
Connected with corresponding rear end cap circumferential surface window 32,
Motor shaft 11 is equipped with electric machine casing 1, drive end bearing bracket 2 and rear end cap 3 are equipped with the bearing for coordinating motor shaft 11
Room, the both ends of motor shaft 11 both pass through bearing chamber to extend on the outside of motor, and the front end of motor shaft is linked with other axis, motor shaft
11 rear end is fixed with fan blade 4, and motor shaft 11 rotates and makes fan blade 4 to 1 cross air blasting of electric machine casing.Fan blade 4 includes fan blade bottom plate
41,11 end of motor shaft is fixed with fan blade bottom plate 41, and fan blade bottom plate 41 is equipped with some fan blade fan blades towards the face of electric machine casing 1
42, some fan blade fan blades 42 are set in the form of sheets, and uniform intervals are arranged on fan blade bottom plate 41 some fan blade fan blades 42 in a ring,
And some fan blade fan blades 42 form the radial structure centered on motor shaft 11.
Drive end bearing bracket 2, electric machine casing 1 and rear end cap 3 have three mounting holes corresponded 5, drive end bearing bracket 2, electric machine casing 1
And rear end cap 3 is fixed by three fasteners, mounting hole 5 is engaged with fastener.Drive end bearing bracket 2 and rear end cap 3 include with
The identical rib structure 6 of 1 outer rim planform of electric machine casing, the mounting hole 5 on electric machine casing 1 extend with through motor laterally
The peripheral outer wall of housing, the position that rib structure 6 corresponds to mounting hole extend to motor casing side and formed with protection protrusions 61.
The motor front and back end of the utility model is respectively equipped with drive end bearing bracket window and rear end cap window, motor internal can be made to divulge information
Heat dissipation, and the motor of the utility model carries fan blade, can be blowed by fan blade, to increase substantially heat dissipation effect.
Claims (7)
- A kind of 1. brushless electric machine for being beneficial to heat dissipation, it is characterised in that including electric machine casing, drive end bearing bracket and rear end cap, the drive end bearing bracket The wherein side of the axial both sides of the electric machine casing, the axial face of the drive end bearing bracket and/or week are individually fixed in rear end cap Formed with some drive end bearing bracket windows on to face, formed with some rear end cap windows in the axial face and/or circumferential surface of the rear end cap Mouthful.
- 2. the brushless electric machine according to claim 1 for being beneficial to heat dissipation, it is characterised in that be equipped with motor in the electric machine casing Axis, the drive end bearing bracket and rear end cap are equipped with the bearing chamber for coordinating the motor shaft, and the both ends of motor shaft both pass through bearing To extend on the outside of motor, one end of motor shaft is linked with other axis for room, and the other end of motor shaft is fixed with fan blade, the motor Axis rotates and makes the fan blade to electric machine casing cross air blasting.
- 3. it is according to claim 2 be beneficial to heat dissipation brushless electric machine, it is characterised in that the drive end bearing bracket, electric machine casing and after End cap at least three mounting holes corresponded, the drive end bearing bracket, electric machine casing and rear end cap are tight at least through three Firmware is fixed, and the mounting hole is engaged with fastener.
- 4. the brushless electric machine according to claim 2 for being beneficial to heat dissipation, it is characterised in that the rear end cap window includes some It is arranged at the rear end cap axial face window of axial face, is arranged at the rear end cap circumferential surface window of circumferential surface, the rear end cap is axial Face-port mouth is connected with rear end cap circumferential surface window, and the fan blade is arranged at the motor shaft rear end.
- 5. the brushless electric machine according to claim 2 for being beneficial to heat dissipation, it is characterised in that the drive end bearing bracket window includes some It is arranged at the drive end bearing bracket axial face window of axial face, is arranged at the drive end bearing bracket circumferential surface window of circumferential surface, the drive end bearing bracket is axial The quantity of face-port mouth is consistent with the quantity of drive end bearing bracket circumferential surface window, and the drive end bearing bracket axial face window is located relatively at two front ends Between lid circumferential surface window, the drive end bearing bracket circumferential surface window is located relatively between two drive end bearing bracket axial face windows.
- 6. the brushless electric machine according to claim 2 for being beneficial to heat dissipation, it is characterised in that the fan blade includes fan blade bottom plate, institute State motor shaft ends to fix with the fan blade bottom plate, the fan blade bottom plate is equipped with some blade fans towards the face of electric machine casing Piece, some fan blade fan blades are set in the form of sheets, and uniform intervals are arranged on fan blade bottom plate some fan blade fan blades in a ring, and some Fan blade fan blades forms the radial structure centered on motor shaft.
- 7. the brushless electric machine according to claim 3 for being beneficial to heat dissipation, it is characterised in that the drive end bearing bracket and rear end cap wrap Include the rib structure identical with electric machine casing outer rim planform, the mounting hole on the electric machine casing extend laterally with through The peripheral outer wall of the electric machine casing, the position that the rib structure corresponds to mounting hole extend to motor casing side and formed with guarantor Shield is raised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354574.4U CN207234615U (en) | 2017-10-20 | 2017-10-20 | Beneficial to the brushless electric machine of heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354574.4U CN207234615U (en) | 2017-10-20 | 2017-10-20 | Beneficial to the brushless electric machine of heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234615U true CN207234615U (en) | 2018-04-13 |
Family
ID=61850691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721354574.4U Active CN207234615U (en) | 2017-10-20 | 2017-10-20 | Beneficial to the brushless electric machine of heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234615U (en) |
-
2017
- 2017-10-20 CN CN201721354574.4U patent/CN207234615U/en active Active
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