CN208209769U - A kind of ac three-phase asynchronous motor - Google Patents
A kind of ac three-phase asynchronous motor Download PDFInfo
- Publication number
- CN208209769U CN208209769U CN201820409701.4U CN201820409701U CN208209769U CN 208209769 U CN208209769 U CN 208209769U CN 201820409701 U CN201820409701 U CN 201820409701U CN 208209769 U CN208209769 U CN 208209769U
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- CN
- China
- Prior art keywords
- shell
- phase asynchronous
- asynchronous motor
- short
- conducting sleeve
- Prior art date
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Abstract
The utility model discloses a kind of ac three-phase asynchronous motors, including shell, shell is internally provided with shaft, stator and the rotor being set in shaft, one end of shell is connected with drive end bearing bracket, the other end is connected with rear end cap, the both ends of rotor are respectively connected with short-circuited conducting sleeve, encoder is connected on rear end cap, the outer wall of shell outwardly protrudes to form multiple lugs, one end of lug is connected with drive end bearing bracket, the other end is connected with rear end cap, multiple heat sinks are additionally provided on outer shell outer wall between adjacent lugs, the cross-sectional area of heat sink is gradually increased from the outside to the core, short-circuited conducting sleeve is in coniform, multiple blades are provided on the small end face of short-circuited conducting sleeve.The utility model is easily installed disassembly, is conducive to improve installation effectiveness, and have preferable heat dissipation effect, can be effectively reduced motor temperature, extend motor service life.
Description
Technical field
The utility model relates to technical field of motors, and in particular to a kind of ac three-phase asynchronous motor.
Background technique
Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction.Motor generally comprises
Shell and the rotor being installed in shell, but to be not easy to installing and dismounting, heat dissipation effect poor for existing motor housing, uses effect
Fruit is bad, influences the service life of motor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of ac three-phase asynchronous motors, are easily installed disassembly, benefit
In raising installation effectiveness, and there is preferable heat dissipation effect, can be effectively reduced motor temperature, extends motor service life.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows:
A kind of ac three-phase asynchronous motor, including shell, being internally provided with shaft, stator and being set in for the shell turn
Rotor on axis, one end of the shell are connected with drive end bearing bracket, and the other end is connected with rear end cap, and the both ends of the rotor are all connected with
There is short-circuited conducting sleeve, encoder is connected on the rear end cap, the outer wall of the shell outwardly protrudes to form multiple lugs, the lug
One end be connected with the drive end bearing bracket, the other end is connected with the rear end cap, on the outer shell outer wall between adjacent lugs also
Multiple heat sinks are provided with, the cross-sectional area of the heat sink is gradually increased from the outside to the core, and the short-circuited conducting sleeve is described in coniform
Multiple blades are provided on the small end face of short-circuited conducting sleeve.
The heat sink includes first side and second side, and the length of first side is less than the length of second side.
The heat sink is identical as the length of the shell along the length of shaft axial direction.
Multiple heat dissipation grooves are provided on the circular conical surface of the short-circuited conducting sleeve.
The cross section of the blade is in oblong or S-shaped.
The coning angle of the short-circuited conducting sleeve is 8 °~15 °.
The shaft is integral type splined shaft.
It is provided with mounting plate on the shell, terminal plate and waterproof wire bushing are connected on the mounting plate.
The junction of the shell and drive end bearing bracket is provided with waterproof grommet, and the junction of the shell and rear end cap is also set
It is equipped with the waterproof grommet.
The utility model has the following beneficial effects: the ac three-phase asynchronous motor of the utility model, is easily installed disassembly,
Conducive to raising installation effectiveness, and there is preferable heat dissipation effect, can be effectively reduced motor temperature, extends motor service life.
Detailed description of the invention
Fig. 1 is the three dimensional structure diagram of the utility model；
Fig. 2 is the two-dimensional structure schematic diagram of the utility model；
Fig. 3 is the schematic cross-sectional view in the direction A-A of Fig. 2；
Fig. 4 is the left view structural representation of Fig. 2；
Fig. 5 is the right side structural representation of Fig. 2；
Fig. 6 is the partial enlargement structural representation in Fig. 5 at B；
In figure: 1, shaft, 2, shell, 21, lug, 3, stator, 4, rotor, 5, waterproof grommet 6, drive end bearing bracket, 61, limit
Ring, 62, groove, 7, rear end cap, 8, short-circuited conducting sleeve, 81, blade, 9, encoder, 10, heat sink, 101, first side, 102, second
Side, 11, mounting plate, 12, terminal plate, 121, plate body, 122, connector, 13, waterproof wire bushing.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As Figure 1-Figure 5, a kind of ac three-phase asynchronous motor, including shell 2, shell 2 be internally provided with shaft 1,
Stator 3 and the rotor 4 being set in shaft 1, one end of shell 2 are connected with drive end bearing bracket 6, and the other end is connected with rear end cap 7, rotor
4 both ends are respectively connected with short-circuited conducting sleeve 8, and rear end 7, which covers, is connected with encoder 9, and the outer wall of shell 2 outwardly protrudes to form multiple lugs
21, one end of lug 21 is connected with drive end bearing bracket 6, and the other end is connected with rear end cap 7, outside the shell 2 between adjacent lugs 21
Multiple heat sinks 10 are additionally provided on wall, the cross-sectional area of heat sink 10 is gradually increased from the outside to the core, to be more conducive to dissipating for motor
Heat, it is possible to understand that ground refers to from the outside to the core herein from outside motor towards 2 outer wall direction of shell.
As shown in figure 3, short-circuited conducting sleeve 8 is in coniform, with installation positioning of the short-circuited conducting sleeve 8 on rotor 4 of being more convenient for, short-circuited conducting sleeve 8
Small end face (the lesser end face of diameter) on be provided with multiple blades 81, multiple blades 81 are in circumferential uniformly distributed, in rotor motion
When play preferable heat dissipation effect.
Further, multiple taper counterweight columns are additionally provided on the small end face of short-circuited conducting sleeve 8, to be more conducive to guarantee dynamic balancing.
Wherein, the setting of lug 21, the installation and removal of be more convenient for shell and drive end bearing bracket 6, rear end cap 7.
Further, as shown in fig. 6, heat sink 10 includes first side 101 and second side 102, first side 101
Length L1 is less than the length L2 of second side 102, and the unsymmetric structure design of this heat sink 10 can preferably increase heat dissipation
Area improves heat dissipation performance.
Further, heat sink 10 is identical along the length of the axial direction of shaft 1 and the length of shell, to better ensure that
Heat dissipation area, improving radiating effect are also conducive to the intensity and uniform force of enhancing shell 2.
Further, multiple heat dissipation grooves are provided on the circular conical surface of short-circuited conducting sleeve 8, with improving radiating effect.
Further, the cross section of blade 81 is in oblong or S-shaped, and heat dissipation effect is preferable.
Further, the coning angle of short-circuited conducting sleeve 8 is 10 °~17 °, more conducively positions and installs.
Wherein, shaft 1 is integral type splined shaft, and integral strength is preferable, is easily installed, and running effect is preferable.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, it is additionally provided with mounting plate 11 on shell 2, is connected with terminal plate on mounting plate 11
12 and waterproof wire bushing 13.
Terminal plate 12 is u-shaped, so that easier for installation and save installation space, terminal plate 12 includes plate body 121,
The both side ends of plate body 121 are provided with connector 122, and connector 122 is mutually fixed with mounting plate 11.
Further, as shown in figure 3, the junction of shell 2 and drive end bearing bracket 6 is provided with waterproof grommet 5, shell 2 is with after
The junction of end cap 7 is also equipped with waterproof grommet 5.Preferably, shell 2 is annular in shape, is respectively provided on drive end bearing bracket 6 and rear end cap 7
Restraining position ring block 61, stop collar 61 are socketed in shell 2, and annular groove is provided on stop collar 61, is connected in annular groove anti-
Waterstop ring 5.
Further, as shown in figure 4, drive end bearing bracket 6 is in rectangle, it is provided with groove 62 on four edges of drive end bearing bracket 6, it is recessed
The slot bottom of slot 62 is arc-shaped.
The motor of the present embodiment is easily installed disassembly, is conducive to improve installation effectiveness, has preferable heat dissipation effect, can
Motor temperature is effectively reduced, extends motor service life.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of ac three-phase asynchronous motor, including shell, the shell is internally provided with shaft, stator and is set in shaft
On rotor, one end of the shell is connected with drive end bearing bracket, and the other end is connected with rear end cap, characterized in that the two of the rotor
End is respectively connected with short-circuited conducting sleeve, and encoder is connected on the rear end cap, and the outer wall of the shell outwardly protrudes to form multiple lugs,
One end of the lug is connected with the drive end bearing bracket, and the other end is connected with the rear end cap, the shell between adjacent lugs
Multiple heat sinks are additionally provided on outer wall, the cross-sectional area of the heat sink is gradually increased from the outside to the core, and the short-circuited conducting sleeve is in circle
Cone cell is provided with multiple blades on the small end face of the short-circuited conducting sleeve.
2. ac three-phase asynchronous motor as described in claim 1, characterized in that the heat sink includes first side and second
Side, the length of first side are less than the length of second side.
3. ac three-phase asynchronous motor as described in claim 1, characterized in that length of the heat sink along shaft axial direction
It spends identical as the length of the shell.
4. ac three-phase asynchronous motor as described in claim 1, characterized in that be provided on the circular conical surface of the short-circuited conducting sleeve more
A heat dissipation groove.
5. ac three-phase asynchronous motor as described in claim 1, characterized in that the cross section of the blade is in oblong or S
Shape.
6. ac three-phase asynchronous motor as described in claim 1, characterized in that the coning angle of the short-circuited conducting sleeve is 8 °~15 °.
7. ac three-phase asynchronous motor as described in claim 1, characterized in that the shaft is integral type splined shaft.
8. ac three-phase asynchronous motor as described in claim 1, characterized in that mounting plate is provided on the shell, it is described
Terminal plate and waterproof wire bushing are connected on mounting plate.
9. ac three-phase asynchronous motor as described in claim 1, characterized in that the setting of the junction of the shell and drive end bearing bracket
There is a waterproof grommet, the junction of the shell and rear end cap is also equipped with the waterproof grommet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409701.4U CN208209769U (en) | 2018-03-23 | 2018-03-23 | A kind of ac three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409701.4U CN208209769U (en) | 2018-03-23 | 2018-03-23 | A kind of ac three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208209769U true CN208209769U (en) | 2018-12-07 |
Family
ID=64527809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820409701.4U Expired - Fee Related CN208209769U (en) | 2018-03-23 | 2018-03-23 | A kind of ac three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208209769U (en) |
-
2018
- 2018-03-23 CN CN201820409701.4U patent/CN208209769U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20210323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |