CN217545745U - Motor device and motor housing - Google Patents
Motor device and motor housing Download PDFInfo
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- CN217545745U CN217545745U CN202220688317.9U CN202220688317U CN217545745U CN 217545745 U CN217545745 U CN 217545745U CN 202220688317 U CN202220688317 U CN 202220688317U CN 217545745 U CN217545745 U CN 217545745U
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Abstract
The utility model discloses a motor device and motor casing, motor device includes: the stator comprises a shell, a rotating shaft, a movable impeller, a fixed impeller and a stator core body, wherein the movable impeller is arranged on the rotating shaft; two areas of the rotating shaft are respectively provided with a first bearing and a second bearing; a first bearing chamber and a second bearing chamber are arranged in the shell, and the first bearing and the second bearing are respectively arranged in the first bearing chamber and the second bearing chamber; the first bearing chamber or/and the second bearing chamber comprises a bearing groove area and a flaring area, and the flaring area is connected with the bearing groove area; the size of the position, close to the bearing groove area, of the flaring area corresponds to the size of the bearing groove area; the size of the flaring region is gradually increased from a position close to the corresponding bearing groove region to a position far away from the corresponding bearing groove region. The utility model provides a motor device and motor casing can be for casing bearing room design guide structure for the bearing of rotor gets into more easily, avoids receiving the damage.
Description
Technical Field
The utility model belongs to the technical field of electromechanical device, a motor device is related to, especially relate to a motor casing.
Background
The rotor assembly of the present dust collector motor mainly comprises a rotating shaft, magnetic steel and a bearing, wherein the rotor bearing needs a bearing chamber formed on a shell structure and the like to fix different outer rings of the bearing, and an inner ring rotates along with the rotor. Because the design of the bearing chamber is too simple, the bearing is a very precise and fragile part, the bearing inner ring tension and the bearing outer ring tension are limited, and the bearing chamber is not provided with a guide structure, the bearing is slightly damaged, and the noise of the motor is further reduced or the service life of the motor is shortened.
In view of the above, there is an urgent need to design a new motor device to overcome at least some of the above-mentioned disadvantages of the existing motor devices.
SUMMERY OF THE UTILITY MODEL
The utility model provides a motor device and motor casing can be for casing bearing room design guide structure for the bearing of rotor gets into more easily, avoids receiving the damage.
In order to solve the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an electric machine arrangement, the electric machine arrangement comprising: the rotating shaft, the movable impeller, the fixed impeller and the stator core are arranged in the shell;
the movable impeller is arranged on the rotating shaft; the fixed impeller and the stator core body are fixed on the shell, and the movable impeller and the fixed impeller are arranged oppositely;
a first bearing and a second bearing are respectively arranged in two areas of the rotating shaft; correspondingly, a first bearing chamber and a second bearing chamber are arranged in the shell, and the first bearing and the second bearing are respectively arranged in the first bearing chamber and the second bearing chamber;
the first bearing chamber or/and the second bearing chamber comprises a bearing groove area and a flaring area, and the flaring area is connected with the bearing groove area;
the size of the position, close to the bearing groove area, of the flaring area corresponds to the size of the bearing groove area; the size of the flaring region is sequentially increased from the position close to the corresponding bearing groove region to the position far away from the corresponding bearing groove region; so that the corresponding bearing can smoothly enter the corresponding bearing groove area when being placed into the corresponding flaring area.
As an embodiment of the present invention, the flaring region includes two portions, which are a hollow cylinder portion and a hollow cone portion respectively.
As an embodiment of the present invention, the inner diameter of the hollow cylindrical portion is D1, the inner diameter of the bearing groove area is D2, and the outer diameter of the corresponding bearing is D3; wherein D1 > D2 > D3.
As an implementation mode of the utility model, D1-D3 is more than or equal to 0.3mm and less than or equal to 0.7mm.
As an embodiment of the utility model, the clearance between the bearing groove region and the corresponding bearing is 0.01-0.03 mm.
As an embodiment of the present invention, the first bearing is disposed at a first end of the rotating shaft; the second bearing is arranged between the middle part and the second end of the rotating shaft.
As an embodiment of the present invention, the stator core is a stator core.
As an embodiment of the present invention, the housing includes a housing body and a fan housing, and the housing body is spliced with the fan housing to form an external structure of the motor device; a space is formed in the outer structure of the motor device, and the rotating shaft, the movable impeller, the fixed impeller and the stator core body are arranged in the space; the movable impeller is arranged on the fan cover.
According to another aspect of the utility model, adopt following technical scheme: a motor shell is provided with a first bearing chamber and a second bearing chamber, wherein the first bearing and the second bearing are respectively arranged in the first bearing chamber and the second bearing chamber;
the first bearing chamber or/and the second bearing chamber comprises a bearing groove area and a flaring area, and the flaring area is connected with the bearing groove area;
the size of the position, close to the bearing groove area, of the flaring area corresponds to the size of the bearing groove area; the size of the flaring region is sequentially increased from the position close to the corresponding bearing groove region to the position far away from the corresponding bearing groove region; so that the corresponding bearing can smoothly enter the corresponding bearing groove area when being placed into the corresponding flaring area.
As an embodiment of the present invention, the flaring region includes two portions, which are a hollow cylinder portion and a hollow cone portion respectively;
the inner diameter of the hollow cylindrical part is D1, the inner diameter of the bearing groove area is D2, and the outer diameter of the corresponding bearing is D3; wherein D1 > D2 > D3.
The beneficial effects of the utility model reside in that: the utility model provides a motor device and motor casing can be for casing bearing room design guide structure for the bearing of rotor gets into more easily, avoids receiving the damage.
Drawings
Fig. 1 is a schematic structural diagram of an electric machine device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an electric machine device according to an embodiment of the present invention.
Fig. 3 is a schematic view of a portion of the structure of the region a in fig. 2.
Fig. 4 is a partial structural diagram of the region a in fig. 2.
Fig. 5 is a schematic structural diagram of a first bearing chamber according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For a further understanding of the invention, reference will now be made to the following description of the preferred embodiments of the invention taken in conjunction with the examples, but it is understood that the description is only intended to further illustrate the features and advantages of the invention, and not to limit the scope of the invention as claimed.
The description in this section is for exemplary embodiments only and the invention is not limited to the described embodiments. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
The term "connected" in the specification includes both direct connection and indirect connection.
The utility model discloses a motor device, and fig. 1 and fig. 2 are schematic structural diagrams of the motor device in an embodiment of the utility model; referring to fig. 1 and 2, the motor apparatus includes: the device comprises a shell, a rotating shaft 6, a movable impeller 4, a fixed impeller 5 and a stator core 10; the rotating shaft 6, the movable impeller 4, the fixed impeller 5 and the stator core 10 are arranged in the shell.
In an embodiment of the present invention, the housing includes a housing body 1, a fan housing 2, and a rear cover 3, and the housing body 1, the fan housing 2, and the rear cover 3 are spliced to form an external structure of the motor apparatus; a space is formed in the outer structure of the motor device, and the rotating shaft 6, the movable impeller 4, the fixed impeller 5 and the stator core 10 are arranged in the space; the stator core 10 may be a stator core. The movable impeller 4 is arranged on the fan housing 2, and a fan housing sealing ring 15 is arranged in the fan housing 2. The movable impeller 4 is fixed at one end of the rotating shaft 6, and a transition piece 16 can be arranged between the movable impeller 4 and the rotating shaft 6; the transition piece 16 is in interference fit with the rotating shaft 6 and is connected to the movable impeller 4. The movable impeller 4 is arranged opposite to the fixed impeller 5.
The rotating shaft 6 is externally fixed with a first balance ring 8, a magnetic steel 7 and a second balance ring 9, and the first balance ring 8 and the second balance ring 9 are respectively arranged on two sides of the magnetic steel 7. The radial sections of the main areas (the areas for fixing the first balance ring 8, the magnetic steel 7 and the second balance ring 9) of the rotating shaft 6 are the same; the production cost can be reduced.
In an embodiment of the present invention, the two regions of the rotating shaft 6 are respectively provided with a first bearing 11 and a second bearing 12; the first bearing 11 is arranged at the first end of the rotating shaft; the second bearing 12 is disposed between the middle portion and the second end of the rotating shaft. Correspondingly, a first bearing chamber and a second bearing chamber are arranged in the shell, and the first bearing 11 and the second bearing 12 are respectively arranged in the first bearing chamber 17 and the second bearing chamber.
Fig. 3 to 5 show a schematic structural view of a first bearing chamber according to an embodiment of the present invention; referring to fig. 3 to 5, in an embodiment of the present invention, the first bearing chamber 17 includes a bearing groove region 1701 and a flared region 1702, and the flared region 1702 is connected to the bearing groove region 1701.
The size of the location of the flared region 1702 near the bearing groove region 1701 corresponds to the size of the bearing groove region 1701; the size of the flared region 1702 becomes larger in order from a position close to the corresponding bearing groove region 1701 to a position far from the corresponding bearing groove region 1701; so that the corresponding bearing (e.g., first bearing 11) may smoothly enter the corresponding bearing groove region 1701 when placed in the corresponding flared region 1702. The second bearing chamber can also adopt the structure; of course, the flared region 1702 is disposed below the bearing pocket region 1701, and the second bearing may be placed into the second bearing chamber from below.
In an embodiment of the present invention, the flaring region includes 1702 two portions, respectively a hollow cylinder portion 17021 and a hollow frustum portion 17022. In one embodiment, the hollow cylindrical portion 17021 has an inner diameter D1, the bearing groove region 1701 has an inner diameter D2, and the corresponding bearing has an outer diameter D3; wherein D1 > D2 > D3. In a use scene of the utility model, D1-D3 is more than or equal to 0.3mm and less than or equal to 0.7mm; the gap between the bearing groove region 1701 and the corresponding bearing may be 0.01 to 0.03mm.
One end of the rotating shaft 6 is provided with a flange 14, and the flange 14 is used for fixing the second bearing 12. The motor arrangement may further comprise a control circuit 13, the control circuit 13 being arranged in the housing. The control circuit 13 is connected with the plug-in unit on the stator assembly, and then is conducted with the copper wire of the motor to provide current for the stator of the motor.
The present invention further discloses a motor housing, which can be combined with fig. 1 to 5, wherein a first bearing chamber 17 and a second bearing chamber are arranged in the motor housing, and the first bearing 11 and the second bearing 12 are respectively arranged in the first bearing chamber 17 and the second bearing chamber; the first bearing chamber 17 includes a bearing groove region 1701 and a flared region 1702, the flared region 1702 being connected to the bearing groove region 1701.
The size of the location of the flared region 1702 near the bearing groove region 1701 corresponds to the size of the bearing groove region 1701; the size of the flared region 1702 increases in order from a position close to the corresponding bearing groove region 1701 to a position far from the corresponding bearing groove region 1701; such that a corresponding bearing (e.g., second bearing 12) may be able to successfully enter the corresponding bearing groove region 1701 when placed in the corresponding flared region 1702. Alternatively, or in addition, the second bearing chamber may adopt the above structure; of course, the flared region 1702 is disposed below the bearing pocket region 1701, and the second bearing may be placed into the second bearing chamber from below.
In an embodiment of the present invention, the flaring region includes 1702 two portions, respectively a hollow cylinder portion 17021 and a hollow cone portion 17022. In one embodiment, the hollow cylindrical portion 17021 has an inner diameter D1, the bearing groove region 1701 has an inner diameter D2, and the corresponding bearing has an outer diameter D3; wherein D1 > D2 > D3. In a use scene of the utility model, D1-D3 is more than or equal to 0.3mm and less than or equal to 0.7mm; the gap between the bearing groove region 1701 and the corresponding bearing may be 0.01 to 0.03mm.
To sum up, the utility model provides a motor device and motor casing can be for shell bearing room design guide structure for the bearing of rotor gets into more easily, avoids receiving the damage.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Effects or advantages referred to in the embodiments may not be reflected in the embodiments due to interference of various factors, and the description of the effects or advantages is not intended to limit the embodiments. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.
Claims (10)
1. An electric motor apparatus, characterized in that the electric motor apparatus comprises: the rotating shaft, the movable impeller, the fixed impeller and the stator core are arranged in the shell;
the movable impeller is arranged on the rotating shaft; the fixed impeller and the stator core are fixed on the shell, and the movable impeller and the fixed impeller are arranged oppositely;
a first bearing and a second bearing are respectively arranged in two areas of the rotating shaft; correspondingly, a first bearing chamber and a second bearing chamber are arranged in the shell, and the first bearing and the second bearing are respectively arranged in the first bearing chamber and the second bearing chamber;
the first bearing chamber or/and the second bearing chamber comprises a bearing groove area and a flaring area, and the flaring area is connected with the bearing groove area;
the size of the position, close to the bearing groove area, of the flaring area corresponds to the size of the bearing groove area; the size of the flaring region is sequentially increased from the position close to the corresponding bearing groove region to the position far away from the corresponding bearing groove region; so that the corresponding bearing can smoothly enter the corresponding bearing groove area when being placed in the corresponding flaring area.
2. The electric machine arrangement according to claim 1, characterized in that:
the flaring region comprises two parts, namely a hollow cylinder part and a hollow cone part.
3. The electric machine arrangement of claim 2, wherein:
the inner diameter of the hollow cylinder part is D1, the inner diameter of the bearing groove area is D2, and the outer diameter of the corresponding bearing is D3; wherein D1 > D2 > D3.
4. The electric machine arrangement of claim 3, wherein:
0.3mm≤D1-D3≤0.7mm。
5. the electric machine arrangement of claim 1, wherein:
the clearance between the bearing groove area and the corresponding bearing is 0.01-0.03 mm.
6. The electric machine arrangement according to claim 1, characterized in that:
the first bearing is arranged at the first end of the rotating shaft; the second bearing is arranged between the middle part and the second end of the rotating shaft.
7. The electric machine arrangement according to claim 1, characterized in that:
the stator core body is a stator core.
8. The electric machine arrangement according to claim 1, characterized in that:
the shell comprises a shell body and a fan cover, and the shell body and the fan cover are spliced to form an external structure of the motor device; a space is formed in the outer structure of the motor device, and the rotating shaft, the movable impeller, the fixed impeller and the stator core body are arranged in the space; the movable impeller is arranged on the fan cover.
9. A motor shell is characterized in that a first bearing chamber and a second bearing chamber are arranged in the motor shell, and a first bearing and a second bearing are respectively arranged in the first bearing chamber and the second bearing chamber;
the first bearing chamber or/and the second bearing chamber comprises a bearing groove area and a flaring area, and the flaring area is connected with the bearing groove area;
the size of the position, close to the bearing groove area, of the flaring area corresponds to the size of the bearing groove area; the size of the flaring region is sequentially increased from the position close to the corresponding bearing groove region to the position far away from the corresponding bearing groove region; so that the corresponding bearing can smoothly enter the corresponding bearing groove area when being placed into the corresponding flaring area.
10. The motor housing of claim 9, wherein:
the flaring region comprises two parts, namely a hollow cylindrical part and a hollow truncated cone part;
the inner diameter of the hollow cylinder part is D1, the inner diameter of the bearing groove area is D2, and the outer diameter of the corresponding bearing is D3; wherein D1 > D2 > D3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688317.9U CN217545745U (en) | 2022-03-28 | 2022-03-28 | Motor device and motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220688317.9U CN217545745U (en) | 2022-03-28 | 2022-03-28 | Motor device and motor housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217545745U true CN217545745U (en) | 2022-10-04 |
Family
ID=83430314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220688317.9U Active CN217545745U (en) | 2022-03-28 | 2022-03-28 | Motor device and motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217545745U (en) |
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2022
- 2022-03-28 CN CN202220688317.9U patent/CN217545745U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230630 Address after: 321017 Zhejiang province Jinhua Jinpan road 420. Patentee after: Jinhua Hongkai Intelligent Manufacturing Co.,Ltd. Address before: 215159 Room 201, building 2, No. 101, Fuli village, Guangfu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Decheng Yongdao motor (Suzhou) Co.,Ltd. |