CN211405694U - Outer rotor electric machine rotor waterproof construction - Google Patents
Outer rotor electric machine rotor waterproof construction Download PDFInfo
- Publication number
- CN211405694U CN211405694U CN202020496478.9U CN202020496478U CN211405694U CN 211405694 U CN211405694 U CN 211405694U CN 202020496478 U CN202020496478 U CN 202020496478U CN 211405694 U CN211405694 U CN 211405694U
- Authority
- CN
- China
- Prior art keywords
- waterproof
- rotor
- circle
- motor
- cup
- 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.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses an external rotor electric machine rotor waterproof construction, including the rotor cup, waterproof circle and with waterproof circle to the motor cabinet of inserting, have integrative tensile rotor flange on the rotor cup, be equipped with the screw hole on the mounting surface of rotor flange, waterproof circle bottom surface indent is provided with the round mounting groove, the sealing washer is equipped with in the mounting groove, waterproof circle passes through bolted connection with the rotor cup, waterproof circling is provided with many circles of waterproof circle beads, it is provided with many circles of motor cabinet beads to correspond on the motor cabinet, waterproof circle bead and motor cabinet bead are to inserting formation waterproof maze each other. The utility model discloses the effectual problem of having solved external rotor electric motor rotor waterproof installation difficulty has realized easy operation, functions such as water-proof effects is good.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to an external rotor electric motor rotor waterproof construction.
Background
As shown in fig. 1 and 2, at present, most of external rotor motors include a rotor cup a and a motor base D, and the waterproof structure of the rotor of the external rotor motor mainly includes the following:
the structure is convenient to install and low in cost, but the waterproof effect is extremely poor, and water vapor can easily enter the rotor cup to erode the motor; secondly, assembling a flange B on the rotor cup A, assembling a waterproof ring C on the flange B, and inserting the convex circle of the waterproof ring C and the convex circle of the motor base to form a multi-layer labyrinth waterproof structure, wherein the waterproof effect of the structure is greatly improved compared with that of the scheme I, but the process is complex, the jumping of the outer wall of the rotor needs to be ensured, then pressing and installing the flange and the waterproof ring, and water vapor is possibly introduced between the waterproof ring and the flange surface between the flange and the outer wall of the rotor cup, so that the waterproof effect is still to be improved; in summary, how to effectively and simply solve the problem of waterproof installation of the rotor cup is a problem which needs to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses an external rotor electric machine rotor waterproof construction.
The utility model adopts the following technical scheme:
the utility model provides an external rotor electric machine rotor waterproof construction, including the rotor cup, waterproof circle and with waterproof motor cabinet that encloses the opposite plug, the rotor cup is last to have integrative tensile rotor flange, be equipped with the screw hole on the mounting surface of rotor flange, waterproof circle bottom surface indent is provided with the round mounting groove, the sealing washer is equipped with in the mounting groove, waterproof circle passes through bolted connection with the rotor cup, waterproof circling is provided with many circles waterproof circle convex circles, it is provided with many circles of motor cabinet convex circles to correspond on the motor cabinet, waterproof circle convex circle and the mutual opposite plug of motor cabinet convex circle form waterproof maze.
Preferably, six threaded holes are formed in the mounting plane of the rotor flange and are uniformly distributed along the circumference.
Preferably, the waterproof ring is provided with two circles of convex circles of the waterproof ring, the motor base is correspondingly provided with three circles of convex circles of the motor base, and the convex circle of the waterproof ring at the outer side is provided with a plurality of grooves.
Preferably, the number of the grooves formed in the convex circle of the outer waterproof ring is more than two, and the grooves are uniformly distributed along the circumference.
Preferably, the waterproof ring convex circle and the motor base convex circle are inserted oppositely to form a waterproof labyrinth, and the gap between the waterproof ring convex circle and the motor base convex circle after the insertion is 2-4 mm.
Preferably, the rotor cup is integrally formed by stamping, and the waterproof ring is formed by injection molding.
Preferably, the height of the sealing ring is larger than the depth of the mounting groove.
The utility model has the advantages that: (1) the utility model provides an external rotor electric machine rotor waterproof construction, rotor cup top have rotor flange, and rotor flange and rotor cup body integrated into one piece are seamless, can effectually prevent that steam from getting into the rotor cup inside from the axial. (2) The waterproof ring bottom surface has the mounting groove, is equipped with the sealing washer in the mounting groove, and waterproof ring and rotor cup pass through the screw connection, and it is waterproof to connect back extrusion sealing washer, can prevent effectively that steam from radially getting into the rotor cup from waterproof ring and rotor flange mounting plane's gap inside. (3) Meanwhile, the inner side of the waterproof ring is provided with two circles of waterproof ring convex circles, the motor base is provided with three circles of motor base convex circles, and the waterproof ring convex circles and the motor base convex circles are mutually inserted to form a multi-layer waterproof labyrinth, so that water vapor is not easy to enter. (4) The waterproof circle bulge outside of waterproof circle is equipped with the recess, and steam throws away from the recess when can making the outer steam of waterproof maze of entering pass through the rotor rotation, makes motor cabinet and rotor waterproof effectively, the utility model discloses effectual problem of having solved external rotor electric machine rotor waterproof installation difficulty has realized easy operation, functions such as water-proof effects are good.
Drawings
Fig. 1 and 2 are schematic diagrams of two kinds of outer rotor motor rotor waterproof structures in the prior art;
fig. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view of the present invention without the motor base;
FIG. 5 is a schematic structural view of a rotor cup according to the present invention;
in the figure: 1-rotor cup, 2-waterproof circle, 3-sealing washer, 4-motor cabinet, 11-rotor flange, 12-mounting plane, 13-rotor cup body, 21-waterproof circle bulge, 22-waterproof circle recess, 23-mounting groove, 41-motor cabinet bulge.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example (b): as shown in the attached figures 3-5, the outer rotor motor rotor waterproof structure comprises a rotor cup 1, a waterproof ring 2 and a motor seat 4 matched with the waterproof ring, wherein a rotor flange 11 is arranged at the top of the rotor cup, the rotor flange 11 and a rotor cup body 13 are integrally formed and have no gap, water vapor can be effectively prevented from entering the interior of the rotor cup from the axial direction, six threaded holes are formed in a mounting plane 12 of the rotor flange 11 and are uniformly distributed along the circumference, a mounting groove 23 is formed in the bottom surface of the waterproof ring 2, a sealing ring 3 is arranged in the mounting groove 23, the waterproof ring 2 is connected with the rotor cup 1 through a bolt, the sealing ring 3 is extruded to be waterproof after connection, the water vapor can be effectively prevented from radially entering the interior of the rotor cup from the gap between the waterproof ring 2 and the mounting plane 12, two waterproof ring convex circles 21 are arranged on the inner side of the waterproof ring, the motor seat has three motor seat convex circles 41, the waterproof ring, the water vapor is not easy to enter, the groove 22 is arranged on the convex circle of the waterproof ring outside the waterproof ring, the water vapor entering the outer layer of the waterproof labyrinth can be thrown out from the groove 22 through the rotation of the rotor, and the motor base and the rotor are effectively waterproof. The utility model discloses the effectual problem of having solved external rotor electric motor rotor waterproof installation difficulty has realized easy operation, functions such as water-proof effects is good.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (7)
1. The utility model provides an external rotor electric machine rotor waterproof construction, includes rotor cup, waterproof circle and with waterproof circle to the motor cabinet of inserting, characterized by, the rotor cup is last to have integrative tensile rotor flange, is equipped with the screw hole on rotor flange's the mounting surface, waterproof circle bottom surface indent is provided with the round mounting groove, is equipped with the sealing washer in the mounting groove, waterproof circle passes through bolted connection with the rotor cup, is provided with many circles waterproof circle convex circles on the waterproof circle, corresponds on the motor cabinet to be provided with many circles motor cabinet convex circles, waterproof circle convex circle and the mutual waterproof maze of inserting formation of motor cabinet convex circle.
2. The waterproof structure for the rotor of the external rotor motor as claimed in claim 1, wherein six threaded holes are formed in the mounting plane of the rotor flange, and the six threaded holes are uniformly distributed along the circumference.
3. The waterproof structure of the rotor of the external rotor motor as claimed in claim 1, wherein the waterproof ring is provided with two rings of beads, the motor base is correspondingly provided with three rings of beads, and the outer beads are provided with a plurality of grooves.
4. The rotor waterproof structure of the external rotor electric machine according to claim 3, wherein the number of the grooves formed on the convex circle of the outer waterproof ring is more than two, and the grooves are uniformly distributed along the circumference.
5. The rotor waterproof structure of the external rotor motor as claimed in claim 1, wherein the waterproof ring bead and the motor base bead are inserted into each other to form a waterproof labyrinth, and the gap between the waterproof ring bead and the motor base bead is 2-4mm after the waterproof labyrinth is inserted into each other.
6. The waterproof structure for the rotor of the external rotor motor as claimed in claim 1, wherein the rotor cup is integrally formed by punching, and the waterproof ring is formed by injection molding.
7. The rotor waterproof structure of the external rotor motor as claimed in claim 1, wherein the height of the sealing ring is greater than the depth of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496478.9U CN211405694U (en) | 2020-04-08 | 2020-04-08 | Outer rotor electric machine rotor waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496478.9U CN211405694U (en) | 2020-04-08 | 2020-04-08 | Outer rotor electric machine rotor waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211405694U true CN211405694U (en) | 2020-09-01 |
Family
ID=72232060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496478.9U Active CN211405694U (en) | 2020-04-08 | 2020-04-08 | Outer rotor electric machine rotor waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211405694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550967A (en) * | 2021-06-28 | 2021-10-26 | 河北远东通信系统工程有限公司 | Waterproof screw and manufacturing method thereof |
-
2020
- 2020-04-08 CN CN202020496478.9U patent/CN211405694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550967A (en) * | 2021-06-28 | 2021-10-26 | 河北远东通信系统工程有限公司 | Waterproof screw and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211405694U (en) | Outer rotor electric machine rotor waterproof construction | |
| CN103062224A (en) | Grease-leakage-prevention wind electricity turntable bearing | |
| CN109114201A (en) | A kind of labyrinth seal structure and gear box structure | |
| CN203607963U (en) | Motor flange end cap | |
| CN216489953U (en) | Waterproof structure of external rotor motor and motor | |
| CN104539082B (en) | The waterproof sealing structure and plastic packaging motor of plastic packaging stator and bearing (ball) cover | |
| CN217401179U (en) | Rotor subassembly and electronic water pump | |
| CN207098816U (en) | Motor case and motor | |
| CN209130156U (en) | A kind of labyrinth seal structure and gear box structure | |
| CN218482736U (en) | Micromotor lead-out wire assembly with high sealing performance | |
| CN214124258U (en) | Fast-assembling type connector socket | |
| CN203554160U (en) | A lubricating structure of a bearing assembly of a vertical motor for water conservancy and biochemistry | |
| CN208209742U (en) | Water proof type structure of installing encoders | |
| CN208589861U (en) | A kind of plastic packaging motor for kitchen ventilator | |
| CN218494003U (en) | Iron tower locknut combination | |
| CN213942139U (en) | Desolventizing kettle sealing device | |
| CN218352312U (en) | Novel motor output shaft oil seal protection device | |
| CN209881536U (en) | Sealing structure of brake end of special gear motor for stereo garage | |
| CN216751413U (en) | Sealing structure of motor shaft lead wire | |
| CN205724057U (en) | A kind of threaded openings plug | |
| CN211019649U (en) | Cover plate sealing structure of motor controller | |
| CN209462172U (en) | The I-shaped flange of the direct-connected motor special of speed reducer | |
| CN215452644U (en) | Front end cover of generator | |
| CN220963839U (en) | Via hole connector | |
| CN213717747U (en) | Bearing support mechanism and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |