CN216490168U - Novel motor sealing structure - Google Patents
Novel motor sealing structure Download PDFInfo
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- CN216490168U CN216490168U CN202120707250.4U CN202120707250U CN216490168U CN 216490168 U CN216490168 U CN 216490168U CN 202120707250 U CN202120707250 U CN 202120707250U CN 216490168 U CN216490168 U CN 216490168U
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Abstract
The utility model relates to a novel motor sealing structure which comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a shell, a winding, a stator core and a stator sleeve, the rotor assembly comprises a rotating shaft, a rotor sleeve and a rotor core, the stator sleeve is installed on the inner circular surface of the stator core, two ends of the stator sleeve are fixedly connected with two ends of the stator core, stator epoxy glue is arranged on two sides of the stator core, the stator epoxy glue wraps the winding and then seals with two sides of the stator core, magnetic steel is uniformly installed on the outer side of the rotor core, the rotor sleeve is installed on the outer side of the magnetic steel, and rotor epoxy glue is arranged on two side faces of the rotor core. The structure of the stator shielding sleeve is simplified, the process difficulty of the stator shielding sleeve can be reduced through the combination of the stator sleeve and the stator epoxy glue, the process difficulty of the rotor shielding sleeve can be reduced through the combination of the rotor sleeve and the rotor epoxy glue, meanwhile, the convenience of the design of the motor body can be improved, and the manufacturing cost of the motor is reduced.
Description
Technical Field
The utility model relates to the technical field of motor manufacturing, in particular to a novel motor sealing structure.
Background
The sealing solutions for electric machines have various forms depending on the application, combined with the production experience of the various factories. Such as an externally sealed isolation pump, separates the fluid or gas flow conduit from the motor body. There are also circulation pumps that use an internal shroud structure to allow liquid or gas to flow only within the shroud. The purpose of these schemes is to ensure that the motor will not be corroded or the electrical insulation performance will not be reduced because the above-mentioned medium enters into the motor body during the use process.
When the external sealing scheme is adopted, the sealing cavity is completely isolated from the motor body, so that the sealing structure is large in size and suitable for occasions with large installation space. And when the volume requirement is stricter, the scheme of the shielding sleeve is adopted more, so that the medium circulates in the motor. In order to improve the reliability of the shielding sleeve, the generally adopted scheme is that the stator lining is a semi-closed shielding sleeve, the material is generally plastic or stainless steel, and the rotor adopts a mode of welding two ends so as to ensure that a medium does not flow into the motor. However, the existing shielding sleeve is difficult to process, the cost of a single piece is high, and the manufacturing cost of the motor is also high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a novel motor sealing structure to solve the above-mentioned problems encountered in the background art.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a novel motor sealing structure comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a shell, a winding, a stator core and a stator sleeve, the rotor assembly comprises a rotating shaft, a rotor sleeve and a rotor core, and the stator sleeve is arranged on the inner circular surface of the stator core and seals the inner circular surface of the stator core; the two ends of the stator sleeve are fixedly connected with the two ends of the stator core, stator epoxy glue is arranged on the two sides of the stator core, the stator epoxy glue wraps the winding and then seals the two sides of the stator core, and the two sides of the stator core, the outer side of the winding and the two ends of the stator sleeve are sealed; the utility model discloses a rotor, including rotor core, rotor cover, rotor core and rotor cover, the magnet steel is evenly installed in rotor core's the outside, the rotor cover is installed in the outside of magnet steel, keeps apart rotor core and magnet steel's outer disc, rotor core's both sides face is equipped with rotor epoxy and glues, seals rotor core's both sides face and rotor cover's both ends.
In the scheme, two ends of the stator sleeve are bent into a hook shape.
In the scheme, the magnetic steel is of a half-moon-shaped structure, and the inner side surface of the magnetic steel is matched with the outer circular surface of the rotor core.
In the scheme, the rotor sleeve and the stator sleeve are both made of stainless steel.
In the above scheme, the motor formed by the stator assembly and the rotor assembly comprises a permanent magnet motor.
Compared with the prior art, the utility model has the beneficial effects that: the structure of stator housing has been simplified to this scheme, through the combination of stator housing and stator epoxy glue, can reduce the technology degree of difficulty of stator housing, through the combination of rotor housing and rotor epoxy glue, can reduce the technology degree of difficulty of rotor housing, also can promote the facility of motor body design simultaneously, reduces the manufacturing cost of motor.
Drawings
The disclosure of the present invention is illustrated with reference to the accompanying drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. In the drawings, like reference numerals are used to refer to like parts. Wherein:
FIG. 1 is a schematic view of the overall internal structure of the present invention;
FIG. 2 is a schematic view of the internal structure of a stator assembly according to the present invention;
FIG. 3 is a side view of the structure of FIG. 2;
FIG. 4 is a schematic view of a rotor assembly according to the present invention;
FIG. 5 is a side view of the structure of FIG. 4;
reference numbers in the figures: 1-rotating shaft, 2-machine shell, 3-winding, 4-rotor epoxy glue, 5-stator iron core, 6-rotor sleeve, 7-magnetic steel, 8-rotor iron core, 9-stator sleeve and 10-stator epoxy glue.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described in detail with reference to the attached drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution to which the present invention relates.
According to the technical scheme of the utility model, a plurality of alternative structural modes and implementation modes can be provided by a person with ordinary skill in the art without changing the essential spirit of the utility model. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as all of the present invention or as limitations or limitations on the technical aspects of the present invention.
The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, a novel motor sealing structure comprises a stator assembly and a rotor assembly, wherein the stator assembly comprises a casing 2, a winding 3, a stator core 5 and a stator sleeve 9, the winding 3 is installed in the stator core 5 and protrudes out of two sides of the stator core 5, and the stator core 5 is fixed in the casing 2. The rotor subassembly includes pivot 1, rotor cover 6 and rotor core 8, and rotor core 8's axle center department and pivot 1 fixed connection. The rotor sleeve 6 and the stator sleeve 9 are both made of stainless steel, and the inner circular surface of the stator core 5 and the outer circular surface of the rotor core 8 are matched after the rotor sleeve and the stator sleeve are conveniently machined and manufactured.
The stator sleeve 9 is installed at the inner circumferential surface of the stator core 5 for sealing the inner circumferential surface of the stator core 5, so that the entire inner circumferential surface of the stator core 5 is isolated. The two ends of the stator sleeve 9 are bent to be hook-shaped, so that the two ends of the stator sleeve 9 are fixedly connected with the two ends of the stator core 5, the stator sleeve 9 is ensured to be firmly contacted with the stator core 5, and meanwhile, the contact area of the stator sleeve 9 and the stator epoxy glue 10 is increased. Therefore, the two sides of the stator core 5 are provided with the stator epoxy glue 10, the stator epoxy glue 10 wraps the winding 3 and then seals the two sides of the stator core 5, and the two sides of the stator core 5, the outer side of the winding 3 and the two ends of the stator sleeve 9 are sealed.
The stator assembly is internally lined with a stainless steel stator sleeve 9 and is in close contact with the inner circular surface of the stator core 5, two ends of the stator assembly form a hook shape by a riveting method to firmly fix the stator sleeve 9 on the stator core 5, and then other parts of the stator assembly are sealed by stator epoxy glue 10. Stator core 5 among the stator module, stator cover 9 through stainless steel keeps apart the outer disc of stator and outside to keep apart other parts of stator module through stator epoxy 10.
The outer side of the rotor core 8 is uniformly provided with magnetic steel 7, the magnetic steel 7 is of a half-moon-shaped structure, and the inner side surface of the magnetic steel 7 is matched with the outer circular surface of the rotor core 8. Rotor cover 6 installs in the outside of magnet steel 7, keeps apart rotor core 8 and the outer disc of magnet steel 7, and rotor core 8's both sides face is equipped with rotor epoxy 4, seals rotor core 8's both sides face and rotor cover 6's both ends.
The rotor assembly also adopts rotor cover 6 to fix rotor core 8 and the excircle of magnet steel 7 back, also carries out sealing process with other parts through rotor epoxy glue 4. Rotor core 8 in the rotor subassembly, through stainless steel's rotor cover 6, keep apart rotor core 8 and magnet steel 7's outer disc and outside to keep apart all the other parts through rotor epoxy 4.
In practice, the electric machine formed by the stator assembly and the rotor assembly according to the above embodiments includes, but is not limited to, a permanent magnet electric machine, and may be other types of electric machines. The motor is sealed, and can be used in occasions with corrosive gas inside.
Compared with the existing structural scheme, the stator shielding sleeve structure is simplified, the process difficulty of the stator shielding sleeve can be reduced through the combination of the stator sleeve 9 and the stator epoxy glue 10, the process difficulty of the rotor shielding sleeve can be reduced through the combination of the rotor sleeve 6 and the rotor epoxy glue 4, the convenience of the design of the motor body can be improved, and the manufacturing cost of the motor is reduced.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a novel motor seal structure which characterized in that: including stator module and rotor subassembly, stator module includes casing (2), winding (3), stator core (5) and stator cover (9), the rotor subassembly includes pivot (1), rotor cover (6) and rotor core (8), its characterized in that: the stator sleeve (9) is arranged on the inner circular surface of the stator core (5) and seals the inner circular surface of the stator core (5); two ends of the stator sleeve (9) are fixedly connected with two ends of the stator core (5), stator epoxy glue (10) is arranged on two sides of the stator core (5), the stator epoxy glue (10) wraps the winding (3) and then seals two sides of the stator core (5), and two sides of the stator core (5), the outer side of the winding (3) and two ends of the stator sleeve (9) are sealed; magnet steel (7) are evenly installed in the outside of rotor core (8), rotor cover (6) are installed in the outside of magnet steel (7), keep apart the outer disc of rotor core (8) and magnet steel (7), the both sides face of rotor core (8) is equipped with rotor epoxy (4), seals the both ends of the both sides face of rotor core (8) and rotor cover (6).
2. The novel motor sealing structure according to claim 1, wherein: two ends of the stator sleeve (9) are bent into a hook shape.
3. The novel motor sealing structure according to claim 1, wherein: the magnetic steel (7) is of a half-moon-shaped structure, and the inner side face of the magnetic steel (7) is matched with the outer circular face of the rotor core (8).
4. The novel motor sealing structure according to claim 1, wherein: the rotor sleeve (6) and the stator sleeve (9) are both made of stainless steel.
5. The novel motor sealing structure according to claim 1, wherein: the motor formed by the stator assembly and the rotor assembly comprises a permanent magnet motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707250.4U CN216490168U (en) | 2021-04-08 | 2021-04-08 | Novel motor sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707250.4U CN216490168U (en) | 2021-04-08 | 2021-04-08 | Novel motor sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216490168U true CN216490168U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707250.4U Active CN216490168U (en) | 2021-04-08 | 2021-04-08 | Novel motor sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216490168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254639A (en) * | 2023-11-20 | 2023-12-19 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
-
2021
- 2021-04-08 CN CN202120707250.4U patent/CN216490168U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254639A (en) * | 2023-11-20 | 2023-12-19 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
| CN117254639B (en) * | 2023-11-20 | 2024-02-13 | 张家港华捷电子有限公司 | Water-cooling type brushless inner rotor water pump motor and water pump |
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