CN210744855U - Mounting structure of motor rotor - Google Patents
Mounting structure of motor rotor Download PDFInfo
- Publication number
- CN210744855U CN210744855U CN201921869082.8U CN201921869082U CN210744855U CN 210744855 U CN210744855 U CN 210744855U CN 201921869082 U CN201921869082 U CN 201921869082U CN 210744855 U CN210744855 U CN 210744855U
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- rotor
- motor shaft
- clamping
- wall
- ring
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- 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.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Good the utility model discloses an electric motor rotor's mounting structure, include: a rotor and a motor shaft; the rotor comprises an iron core and a plurality of coils wound inside the iron core, the motor shaft penetrates through the inside of the rotor, and the outer wall of the motor shaft is in interference fit with the inner wall of the rotor. The utility model discloses in, this electric motor rotor's mounting structure is through the structure of the adoption grip ring and the bearing frame combination formula of setting up connection, can play the fixed effect of dual centre gripping to the motor shaft that runs through the rotor, thereby ensure that the motor shaft can be in relative dynamic balance's state, avoided the motor shaft to influence the vibrations that the rotor caused after long-time rotation, the seal structure of backing ring cooperation sealing washer simultaneously, can play the effect of sealed protection to the junction of rotor and motor shaft, prevent that dust or oil stain from entering into the junction of rotor and motor shaft and produce the phenomenon of pollution, thereby the relative smoothness degree of rotor and motor shaft junction has been improved.
Description
Technical Field
The utility model relates to an electric motor rotor technical field especially relates to an electric motor rotor's mounting structure.
Background
The rotor of the motor is also a rotating part in the motor, the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the rotor of the motor is divided into a rotor of the motor and a rotor of the generator, so that the rotor plays an important role in the motor and needs to be properly installed and fixed.
However, the mounting structure of the existing motor rotor usually only adopts a single bearing seat structure to fix the working state and the position of the rotor, so that the mounting structure of the rotor is not stable enough, and after the motor rotates at a high speed for a long time, the rotor can deviate or shake under the action of inertia force, so that the motor can shake or even break down, and the running safety and stability of the motor are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an electric motor rotor mounting structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a mounting structure of a rotor of an electric machine, comprising: a rotor and a motor shaft;
the rotor consists of an iron core and a plurality of coils wound inside the iron core;
the motor shaft penetrates through the interior of the rotor;
the outer wall of the motor shaft is in interference fit with the inner wall of the rotor.
As a further description of the above technical solution:
also comprises a backing ring;
the number of the backing rings is two, and the two backing rings are respectively arranged on the outer walls of the two sides of the rotor;
a sealing ring is arranged on the inner wall of the backing ring;
the upper side and the lower side of the outer wall of the sealing ring are symmetrically provided with clamping heads, and the clamping heads are of cylindrical structures.
As a further description of the above technical solution:
the bearing seat is also included;
a bearing is embedded in the inner wall of the bearing seat and is rotatably connected to the outer wall of the motor shaft;
the upper side and the lower side of the bearing seat are symmetrically provided with clamping grooves, and the cross sections of the clamping grooves are of arc structures.
As a further description of the above technical solution:
the clamping ring is also included;
the clamping ring is sleeved on the outer wall of the motor shaft;
clamping pieces are symmetrically arranged on the upper side and the lower side of the clamping ring, and the cross sections of the clamping pieces are arc-shaped structures;
the clamping ring is connected with the bearing seat through the embedded clamping connection of the clamping sheet and the clamping groove.
As a further description of the above technical solution:
the device also comprises a base;
the base is welded at the bottom of the clamping ring;
the width of the base is consistent with the thickness of the clamping ring;
the outer wall of both sides of base has fixed ear frame in the symmetrical welding.
As a further description of the above technical solution:
the fan mounting plate is also included;
the inner wall of the fan mounting plate is welded with a connector;
the outer wall of one end of the motor shaft is provided with a connecting groove;
the fan mounting plate is connected with the motor shaft through the screw thread rotary connection of the connector and the connecting groove.
Advantageous effects
The utility model provides an electric motor rotor's mounting structure. The method has the following beneficial effects:
(1): this electric motor rotor's mounting structure can play the fixed effect of dual centre gripping to the motor shaft that runs through the rotor through the structure of the adoption grip ring and the bearing frame built-up connection that sets up to ensure that the motor shaft can be in relative dynamic balance's state, avoided the motor shaft to the vibrations influence that the rotor caused after long-time rotation, the maximize has improved electric motor rotor's operating condition stability.
(2): this electric motor rotor's mounting structure is through the backing ring that sets up, and the seal structure of cooperation sealing washer can play sealed protection's effect to the junction of rotor and motor shaft, prevents that dust or oil stain from entering into the junction of rotor and motor shaft and producing the phenomenon of pollution to rotor and motor shaft junction's relative smoothness degree has been improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an installation structure of a motor rotor according to the present invention;
FIG. 2 is a schematic structural view of a middle grommet according to the present invention;
FIG. 3 is a schematic side view of the clamp ring of the present invention;
FIG. 4 is a schematic side view of the bearing seat of the present invention;
fig. 5 is a schematic structural view of the joint between the motor shaft and the fan mounting plate of the present invention.
Illustration of the drawings:
1. a rotor; 11. an iron core; 12. a coil; 2. a backing ring; 21. a seal ring; 22. clamping a head; 3. a motor shaft; 31. connecting grooves; 4. a clamp ring; 41. a clamping piece; 42. a base; 43. fixing the ear rack; 5. a bearing seat; 51. a clamping groove; 52. a bearing; 6. a fan mounting plate; 61. a connecting head.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1, a mounting structure of a rotor of an electric motor includes: a rotor 1 and a motor shaft 3;
the rotor 1 consists of an iron core 11 and a plurality of coils 12 wound inside the iron core 11;
the motor shaft 3 penetrates through the inside of the rotor 1;
the outer wall of the motor shaft 3 is in interference fit with the inner wall of the rotor 1.
As shown in fig. 1 and 2, still include backing ring 2, the quantity of backing ring 2 is two, two backing rings 2 set up the both sides outer wall at rotor 1 respectively, the inner wall of backing ring 2 is provided with sealing washer 21, bilateral symmetry is provided with dop 22 about the outer wall of sealing washer 21, and dop 22 is cylindric structure, backing ring 2 is fixed with rotor 1's outer wall joint through the dop 22 of protruding structure, and cooperate the sealed effect of sealing washer 21, can play sealed protection's effect to rotor 1 and motor shaft 3 junction, prevent that dust or oil stain from entering into rotor 1 and motor shaft 3's junction and producing the phenomenon of pollution.
As shown in fig. 1 and 4, the motor shaft support further comprises a bearing seat 5, a bearing 52 is embedded in the inner wall of the bearing seat 5, the bearing 52 is rotatably connected to the outer wall of the motor shaft 3, clamping grooves 51 are symmetrically formed in the upper side and the lower side of the bearing seat 5, the cross section of each clamping groove 51 is of an arc-shaped structure, and the bearing 52 can play a role in limiting and clamping the motor shaft 3, so that the motor shaft 3 rotates on the inner wall of the bearing 52.
As shown in fig. 1, fig. 3 and fig. 4, still include grip ring 4, grip ring 4 cup joints the outer wall at motor shaft 3, the upper and lower bilateral symmetry of grip ring 4 is provided with clamping piece 41, and the cross section of clamping piece 41 is the arc structure, through the embedded joint of clamping piece 41 and centre gripping groove 51, be connected grip ring 4 and bearing frame 5, can play the fixed effect of dual centre gripping to motor shaft 3 that runs through rotor 1, thereby ensure that motor shaft 3 can be in relative dynamic balance's state, avoided motor shaft 3 to the vibrations influence that rotor 1 caused after long-time rotation, the maximize has improved motor rotor 1's operating condition stability.
As shown in fig. 3, the clamping device further comprises a base 42, the base 42 is welded at the bottom of the clamping ring 4, the width of the base 42 is consistent with the thickness of the clamping ring 4, fixing lugs 43 are symmetrically welded on the outer walls of two sides of the base 42, and the base 42 can be fixed on the inner wall of the motor shell by penetrating through the fixing lugs 43 through screws, so that the stability of the clamping ring 4 is ensured, and the phenomenon that the clamping ring 4 shakes is prevented.
As shown in fig. 1 and 5, the fan mounting plate comprises a fan mounting plate 6, a connector 61 is welded on the inner wall of the fan mounting plate 6, a connecting groove 31 is formed in the outer wall of one end of a motor shaft 3, the fan mounting plate 6 and the motor shaft 3 are connected through the connector 61 and the connecting groove 31 in a screwed connection mode, the fan mounting plate 6 is conveniently dismounted and mounted, the motor fan is replaced and maintained quickly and flexibly, and dismounting and mounting operation burden is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A mounting structure of a rotor of an electric motor, characterized by comprising: a rotor (1) and a motor shaft (3);
the rotor (1) consists of an iron core (11) and a plurality of coils (12) wound inside the iron core (11);
the motor shaft (3) penetrates through the inside of the rotor (1);
the outer wall of the motor shaft (3) is in interference fit with the inner wall of the rotor (1);
the bearing seat (5) is also included;
a bearing (52) is embedded in the inner wall of the bearing seat (5), and the bearing (52) is rotatably connected to the outer wall of the motor shaft (3);
clamping grooves (51) are symmetrically formed in the upper side and the lower side of the bearing seat (5), and the cross section of each clamping groove (51) is of an arc-shaped structure;
also comprises a clamping ring (4);
the clamping ring (4) is sleeved on the outer wall of the motor shaft (3);
clamping pieces (41) are symmetrically arranged on the upper side and the lower side of the clamping ring (4), and the cross sections of the clamping pieces (41) are arc-shaped structures;
the clamping ring (4) is connected with the bearing seat (5) through the embedded clamping connection of the clamping sheet (41) and the clamping groove (51).
2. A mounting structure of a rotor of an electric machine according to claim 1, further comprising a backing ring (2);
the number of the backing rings (2) is two, and the two backing rings (2) are respectively arranged on the outer walls of the two sides of the rotor (1);
a sealing ring (21) is arranged on the inner wall of the backing ring (2);
the upper side and the lower side of the outer wall of the sealing ring (21) are symmetrically provided with clamping heads (22), and the clamping heads (22) are of cylindrical structures.
3. A mounting structure of a rotor of an electric machine according to claim 1, further comprising a base (42);
the base (42) is welded at the bottom of the clamping ring (4);
the width of the base (42) is consistent with the thickness of the clamping ring (4);
the outer walls of the two sides of the base (42) are symmetrically welded with fixing ear frames (43).
4. A mounting structure of a rotor of an electric motor according to claim 1, further comprising a fan mounting plate (6);
the inner wall of the fan mounting plate (6) is welded with a connector (61);
the outer wall of one end of the motor shaft (3) is provided with a connecting groove (31);
the fan mounting plate (6) is connected with the motor shaft (3) through the threaded screwing of the connecting head (61) and the connecting groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869082.8U CN210744855U (en) | 2019-11-01 | 2019-11-01 | Mounting structure of motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869082.8U CN210744855U (en) | 2019-11-01 | 2019-11-01 | Mounting structure of motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210744855U true CN210744855U (en) | 2020-06-12 |
Family
ID=71009272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869082.8U Expired - Fee Related CN210744855U (en) | 2019-11-01 | 2019-11-01 | Mounting structure of motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210744855U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600331A (en) * | 2020-11-27 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Small-sized motor rotor preventing rotor winding from being thrown out |
-
2019
- 2019-11-01 CN CN201921869082.8U patent/CN210744855U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600331A (en) * | 2020-11-27 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Small-sized motor rotor preventing rotor winding from being thrown out |
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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: 20200612 Termination date: 20201101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |