CN203251171U - Single phase alternating current asynchronous motor based on sealing structure - Google Patents
Single phase alternating current asynchronous motor based on sealing structure Download PDFInfo
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- CN203251171U CN203251171U CN 201320250810 CN201320250810U CN203251171U CN 203251171 U CN203251171 U CN 203251171U CN 201320250810 CN201320250810 CN 201320250810 CN 201320250810 U CN201320250810 U CN 201320250810U CN 203251171 U CN203251171 U CN 203251171U
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- alternating current
- phase alternating
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Abstract
The utility model relates to a single phase alternating current asynchronous motor based on a sealing structure. The motor comprises a rotor and a stator, wherein the rotor and the stator are arranged in a casing. The stator comprises a four-claw stator tooth body and a stator yoke part. The stator tooth body is L-shaped. The straight end of the L-shaped stator tooth body passes through a shielding baffle to fit the stator yoke part. The hook end of the L-shaped stator tooth body is effectively aligned with the rotor. The shielding baffle, the rear end cover of the casing and the stator yoke part are connected and sealed to form a stator cavity. The stator tooth body is wound with a stator winding. The stator winding is located in the stator cavity. The stator cavity is filled with compressed air. According to the utility model, the stator and the rotor of the motor are completely isolated; simply by using static sealing, the stator winding is protected, and the sealing effect is great; and the motor has the advantages of safe running and less failure.
Description
Technical field
The utility model relates to the submersible motor technical field, particularly relates to a kind of single-phase alternating current asynchronous machine based on hermetically-sealed construction.
Background technology
Along with the expansion in motor application field, the demand of the motors such as extra large motor, submersible motor, dust-proof motor, grease proofing motor, fire-proof motor of diving increases gradually.These motors need good sealing property, the particularly Sealing Technology of motor winding particularly crucial, so this technology also is the emphasis of various countries' research always.
In the existing motor seal technology, in order to protect stator winding, major part is all used the employing dynamic sealing technology, the more complicated so that hermetically-sealed construction becomes, and sealing effectiveness is also undesirable; Along with the variation of the external factor such as pressure, temperature, extraneous moisture, greasy dirt and dust and other impurities are easy to invade in the space at motor winding place, cause coil wearing and tearing, corrosion and aging, have a strong impact on motor useful life.
The utility model content
Technical problem to be solved in the utility model provides a kind of single-phase alternating current asynchronous machine based on hermetically-sealed construction, makes stator winding avoid the impact such as moisture, greasy dirt and dust and cause aging and damaging.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of single-phase alternating current asynchronous machine based on hermetically-sealed construction is provided, comprise installation rotor and stator in the enclosure, described stator comprises stator tooth body and the stator yoke section of four paws, described stator tooth body is L-shaped, the straight end of described L shaped stator tooth body passes shielded partitions and stator yoke section fits, and the hook end of described L shaped stator tooth body effectively aligns with described rotor; The rear end cap of described shielded partitions, shell is connected sealing and forms bore of stator with stator yoke section, described stator tooth is wound with stator winding with it, and described stator winding is positioned at bore of stator.
Described rotor one end links to each other with motor shaft, and the other end passes described bore of stator and links to each other with the rear end cap of shell with bearing cap by bearing.
Described rotor one end links to each other with motor shaft, and the other end links to each other with described shielded partitions.
Described shielded partitions is provided with cylinder, and described cylinder links to each other with described stator yoke section, and is positioned at described bore of stator.
The position of corresponding stator tooth body has installing hole on the described shielded partitions; The straight end of described stator tooth body passes described installing hole and cooperates with described shielded partitions installation, and by O RunddichtringO and epoxy sealing.
The rear end cap of described stator yoke section and described shell is structure as a whole.
Described rear end cap is provided with and is filled with the hole, and described being filled with has seal cover on the hole, and described seal cover is by O RunddichtringO and epoxy sealing.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: the utility model can be realized the fully isolation of motor stator and rotor, only uses static seal just can reach the purpose of protection stator winding, has good sealing effect; The motor safety in operation is good, and fault is few.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model;
Fig. 2 is the structural representation of embodiment 2 in the utility model;
Fig. 3 is the structural representation of stator in the utility model;
Fig. 4 is the structural representation of stator tooth body in the utility model;
Fig. 5 is the structural representation after stator and rotor cooperate in the utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Execution mode of the present utility model relates to a kind of single-phase alternating current asynchronous machine based on hermetically-sealed construction, as shown in Figure 1, comprise installation rotor 1 and stator 2 in the enclosure, described stator 2 comprises stator tooth body 21 and the stator yoke section 22 of four paws, described stator tooth body 21 is L-shaped, the straight end 211 of described L shaped stator tooth body 21 passes shielded partitions 3 and fits with stator yoke section 22, and the hook end 212 of described L shaped stator tooth body 21 effectively aligns with described rotor 1; The rear end cap 4 of described shielded partitions 3, shell is connected with stator yoke section and is connected sealing and form bore of stator 8, is wound with stator winding 213 on the described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8.Wherein, described rotor 1 one ends link to each other with motor shaft 5, and the other end passes described bore of stator 8 and links to each other with the rear end cap 4 of shell with bearing cap 6 by bearing 7.Can select whether filling medium or not filling medium according to different sealing grades in the described bore of stator 8, when the needs filling medium, medium can be compressed air, also can be transformer insulation oil, can also be pure water, to satisfy different sealing grades.
As shown in Figure 3 and Figure 4, stator 2 of the present utility model comprises stator tooth body 21 and stator yoke section 22, stator tooth body 21 is L-shaped, and the straight end 211 of L shaped stator tooth body 21 is very long, 213 of stator winding require on a segment distance of tooth root section according to Electromagnetic Design, and stator winding 213 is positioned at the bore of stator of sealing after the installation.Adopt large, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21 assembles up it and stator tooth body 21 in the above, encapsulates by O RunddichtringO and the epoxy resin binding site to them.Stator yoke section 22 can with rear end cap 4 as one, also can fix separately, after need guaranteeing to assemble, the tail end of stator tooth body 21 and stator yoke section 22 fit fully.Wherein, described rear end cap 4 is provided with and is filled with the hole, and described being filled with has seal cover 41 on the hole, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke section 22 and rear end cap 4 form bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a complete hermetic part, and so the stator winding of motor part is sealed in the bore of stator fully.
As shown in Figure 5, rotor 1 of the present utility model is fixed in (being between the hook end of L shaped stator tooth body) between stator 2 extensions by bearing with rotor 1, so that rotor 1 iron core aligns with stator 2 iron core live parts.
After group of motors of the present utility model installs, because stator winding partly is complete closed, just moisture, greasy dirt and dust and other impurities can not occurs and enter in the motor stator chamber, cause the problems such as coil damage.
Embodiment 2
Execution mode of the present utility model relates to a kind of single-phase alternating current asynchronous machine based on hermetically-sealed construction, as shown in Figure 2, comprise installation rotor 1 and stator 2 in the enclosure, described stator 2 is comprised of stator tooth body 21 and the stator yoke section 22 of four paws, described stator tooth body 21 is L-shaped, the straight end 211 of described L shaped stator tooth body 21 passes shielded partitions 3 and fits with stator yoke section 22, and the hook end 212 of described L shaped stator tooth body 21 effectively aligns with described rotor 1; The rear end cap 4 of described shielded partitions 3, shell is connected with stator yoke section and is connected sealing and form bore of stator 8, is wound with stator winding 213 on the described stator tooth body 21, and described stator winding 213 is positioned at bore of stator 8.Wherein, described rotor 1 one ends link to each other with motor shaft 5, and the other end links to each other with described shielded partitions 3.Described shielded partitions 3 is provided with cylinder, and described cylinder links to each other with described stator yoke section 22, and is positioned at described bore of stator 8.Can select whether filling medium or not filling medium according to different sealing grades in the described bore of stator 8, when the needs filling medium, medium can be compressed air, also can be transformer insulation oil, can also be pure water, to satisfy different sealing grades.
As shown in Figure 3 and Figure 4, stator of the present utility model comprises stator tooth body 21 and stator yoke section 22, stator tooth body 21 is L-shaped, and the straight end of L shaped stator tooth body 21 is very long, 213 of stator winding require on a segment distance of tooth root section according to Electromagnetic Design, and stator winding 213 is positioned at the bore of stator of sealing after the installation.Adopt large, the non-magnetic materials processing of resistivity to become shielded partitions 3, the position perforate of corresponding stator tooth body 21 assembles up it and stator tooth body 21 in the above, encapsulates by O RunddichtringO and the epoxy resin binding site to them.Cylinder is made in the place of the corresponding bore of stator of the another side of shielded partitions 3, to increase the mechanical strength of bore of stator.Stator yoke section 22 can with rear end cap 4 as one, also can fix separately, need to guarantee that the tail end and the stator yoke section 22 that assemble rear stator tooth body 21 fit fully.Wherein, described rear end cap 4 is provided with and is filled with the hole, and described being filled with has seal cover 41 on the hole, and described seal cover 41 is by O RunddichtringO and epoxy sealing.Shielded partitions 3, stator tooth body 21, stator yoke section 22 and rear end cap 4 form bore of stator, and by O RunddichtringO and epoxy sealing, making bore of stator is a complete hermetic part, and so the stator winding of motor part is sealed in the bore of stator fully.
As shown in Figure 5, rotor 1 of the present utility model is fixed in (being between the hook end of L shaped stator tooth body) between stator 2 extensions by bearing with rotor 1, so that rotor core aligns with the stator core live part.
After group of motors of the present utility model installs, because stator winding partly is complete closed, just moisture, greasy dirt and dust and other impurities can not occurs and enter in the motor stator chamber, cause the problems such as coil damage.
It is worth mentioning that, motor of the present utility model can be as the motor that uses under motor, the diving of spinning frame, dive extra large motor and the various environment.
Be not difficult to find, the utility model can be realized the fully isolation of motor stator and rotor, only uses static seal just can reach the purpose of protection stator winding, has good sealing effect; The motor safety in operation is good, and fault is few.Structure of the present utility model has realized the separation configuration of stator winding and rotor in the magnetic structure of motor, can partly carry out as required the sealing of different brackets to stator winding.
Claims (7)
1. single-phase alternating current asynchronous machine based on hermetically-sealed construction, comprise installation rotor (1) and stator (2) in the enclosure, described stator (2) comprises stator tooth body (21) and the stator yoke section (22) of four paws, it is characterized in that, described stator tooth body (21) is L-shaped, the straight end (211) of described L shaped stator tooth body (21) passes shielded partitions (3) and fits with stator yoke section (22), and the hook end (212) of described L shaped stator tooth body (21) effectively aligns with described rotor (1); The rear end cap (4) of described shielded partitions (3), shell is connected 22 with stator yoke section) connect sealing formation bore of stator (8), be wound with stator winding (213) on the described stator tooth body (21), described stator winding (213) is positioned at bore of stator (8).
2. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 1, it is characterized in that, described rotor (1) one end links to each other with motor shaft (5), and the other end passes described bore of stator (8) and links to each other with the rear end cap (4) of shell with bearing cap (6) by bearing (7).
3. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 1 is characterized in that, described rotor (1) one end links to each other with motor shaft (5), and the other end links to each other with described shielded partitions (3).
4. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 3, it is characterized in that, described shielded partitions (3) is provided with cylinder (31), and described cylinder (31) links to each other with described stator yoke section (22), and is positioned at described bore of stator (8).
5. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 1 is characterized in that, the position of the upper corresponding stator tooth body (21) of described shielded partitions (3) has installing hole; The straight end (211) of described stator tooth body (21) passes described installing hole and cooperates with described shielded partitions (3) installation, and by O RunddichtringO and epoxy sealing.
6. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 1 is characterized in that, described stator yoke section (22) is structure as a whole with the rear end cap (4) of described shell.
7. the single-phase alternating current asynchronous machine based on hermetically-sealed construction according to claim 1, it is characterized in that, described rear end cap (4) is provided with and is filled with the hole, and described being filled with has seal cover (41) on the hole, and described seal cover (41) is by O RunddichtringO and epoxy sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250810 CN203251171U (en) | 2013-05-09 | 2013-05-09 | Single phase alternating current asynchronous motor based on sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250810 CN203251171U (en) | 2013-05-09 | 2013-05-09 | Single phase alternating current asynchronous motor based on sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203251171U true CN203251171U (en) | 2013-10-23 |
Family
ID=49377587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320250810 Expired - Fee Related CN203251171U (en) | 2013-05-09 | 2013-05-09 | Single phase alternating current asynchronous motor based on sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203251171U (en) |
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2013
- 2013-05-09 CN CN 201320250810 patent/CN203251171U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20160509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |