CN205407437U - Stator core , motor and compressor - Google Patents
Stator core , motor and compressor Download PDFInfo
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- CN205407437U CN205407437U CN201620149123.6U CN201620149123U CN205407437U CN 205407437 U CN205407437 U CN 205407437U CN 201620149123 U CN201620149123 U CN 201620149123U CN 205407437 U CN205407437 U CN 205407437U
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- location structure
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- connecting rod
- stator core
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Abstract
The utility model provides a stator core, motor and compressor. Stator core includes: a plurality of stators towards the piece of superpose in proper order, the stator has the connect the via hole who link up the stator and set up, two adjacent stators towards the coaxial setting of the connect the via hole on the piece towards the thickness direction of piece towards the piece, connectivity structure that connect the via hole that connecting rod, connecting rod passed coaxial setting constitutes so that all stators establish on the connecting rod towards the piece cover, a location structure, a location structure sets up the first end at the connecting rod, the 2nd location structure, the 2nd location structure set up the second end at the connecting rod, and all stators are fixed between a location structure and the 2nd location structure towards the piece. The poor problem of stator core radiating effect among the prior art has been solved in this application.
Description
Technical field
This utility model relates to electromechanical equipment technical field, in particular to a kind of stator core, motor and compressor.
Background technology
At present, when the stator core of assembling motor, first have to be sequentially stacked multiple stator punchings, then pass through to arrange on the outer peripheral edge of stator core and copy plate, or adopt the mode of cylindrical welding to be fixed by all of stator punching.Whether adopt welding or the mode copying plate is set, being required for offering groove at the outer peripheral edge place of stator punching, in order to embedding and copy plate or weldering muscle.
Owing to being provided with spiralling coolant flow channel on the periphery of stator core, and the groove offered can be arranged in a crossed manner with coolant flow channel, and this can make coolant flow channel short circuit, is unfavorable for the heat radiation of stator core.And the mode copying plate tension or weldering muscle easily produces iron core deformation for leptosomatic motor.
Utility model content
Main purpose of the present utility model is in that to provide a kind of stator core, motor and compressor, to solve the problem of stator core radiating effect difference in prior art.
To achieve these goals, according to an aspect of the present utility model, it is provided that a kind of stator core, including: the multiple stator punchings being sequentially stacked, stator punching has the connection through hole that the thickness direction of through stator punching is arranged, and the connection through hole on adjacent two stator punchings is coaxially disposed；Connecting rod, connecting rod is through the connectivity structure connecting through hole composition being coaxially disposed so that all stator punchings are set in connecting rod；First location structure, the first location structure is arranged on the first end of connecting rod；Second location structure, the second location structure is arranged on the second end of connecting rod, and all stator punchings are fixed between the first location structure and the second location structure.
Further, each stator punching has multiple connection through hole, same stator punching connects through hole being provided at circumferentially spaced around stator punching, and the multiple equal one_to_one corresponding of connection through hole on adjacent two stator punchings are coaxially disposed, so that all stator punchings are formed multiple connectivity structure；Connecting rod is multiple, and multiple connecting rod one_to_one corresponding are plugged on multiple connectivity structure place.
Further, the multiple connection through holes on same stator punching are equally spaced.
Further, on same stator punching, connect the number of through hole less than or equal to 10 and be more than or equal to 4.
Further, connection through hole is circular port, connects the diameter D of through hole be more than or equal to 6 millimeters and less than or equal to 20 millimeters.
Further, at stator punching in the radial direction, the central point of the through hole ratio to the first distance L1 between second distance L2 and the outer peripheral edge of the central point being connected through hole to stator punching between the central point of stator punching is connected be more than or equal to 8 and less than or equal to 10.
Further, the first location structure and/or the second location structure are fixing with stator punching after being mounted in connecting rod is connected.
Further, the first location structure and/or the second location structure are tooth support, and tooth support is connected on the end face of stator punching.
Further, tooth support welds with stator punching.
Further, at least one end of connecting rod has thread segment, and the first location structure and/or the second location structure are lock nut, and lock nut is connected on the end face of stator punching after threadeding with thread segment.
Further, at least one end of connecting rod offers draw-in groove, is connected on the end face of stator punching after the first location structure and/or the second location structure and draw-in groove clamping.
Further, the first location structure and/or the second location structure are positioning checkpoint.
Further, first location structure is the limiting plate of the first end being fixed on connecting rod, second end of connecting rod is through connectivity structure so that limiting plate is connected on the end face of stator punching, and the second location structure is arranged on the second end of connecting rod so that all stator punchings are clamped between limiting plate and the second location structure.
According to another aspect of the present utility model, it is provided that a kind of motor, including stator core, stator core is above-mentioned stator core.
Further, motor is permagnetic synchronous motor.
According to another aspect of the present utility model, it is provided that a kind of compressor, including motor, motor is above-mentioned motor.
Application the technical solution of the utility model, multiple stator punchings are sequentially stacked, stator punching has the connection through hole that the thickness direction of through stator punching is arranged, connection through hole on adjacent two stator punchings is coaxially disposed, connecting rod is through the connectivity structure connecting through hole composition being coaxially disposed so that all stator punchings are set in connecting rod, first location structure and the second location structure are arranged on the two ends of connecting rod, so that all stator punchings are fixed between the first location structure and the second location structure.The stator core so arranged, it not be used on the periphery of stator core and preset for welding or the fixing groove copying plate, because of the structure without destroying coolant flow channel, coolant flow channel short circuit will not be made, thus being conducive to improving the radiating effect of stator core, and then ensure the functional reliability of motor.Meanwhile, the stator core adopting connecting rod fixed form to be formed, also there is on-deformable feature.
Accompanying drawing explanation
The Figure of description constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 illustrates the structural representation of the stator punching according to an alternative embodiment of the present utility model；And
Fig. 2 illustrates the assembly relation schematic diagram of the stator punching in Fig. 1 and connecting rod, the first location structure and the second location structure.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, stator punching；11, through hole is connected；20, connecting rod；30, the first location structure；40, the second location structure.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
It it is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless otherwise, all technology used herein and scientific terminology have the identical meanings being generally understood that with the application person of an ordinary skill in the technical field.
In this utility model, when not making contrary explanation, the noun of locality of use as " inside and outside " refer to relative to the profile of each parts itself inside and outside, but the above-mentioned noun of locality is not limited to this utility model.
In order to solve the problem of the difference of stator core radiating effect in prior art, this utility model provides a kind of stator core, and has the motor of this stator core, and has the compressor of this motor.
As depicted in figs. 1 and 2, stator core includes connecting rod the 20, first location structure the 30, second location structure 40 and the multiple stator punchings 10 being sequentially stacked, stator punching 10 has the connection through hole 11 that the thickness direction of through stator punching 10 is arranged, and the connection through hole 11 on adjacent two stator punchings 10 is coaxially disposed；Connecting rod 20 is through the connectivity structure connecting through hole 11 composition being coaxially disposed so that all stator punchings 10 are set in connecting rod 20；First location structure 30 is arranged on the first end of connecting rod 20；Second location structure 40 is arranged on the second end of connecting rod 20, and all stator punchings 10 are fixed between the first location structure 30 and the second location structure 40.
The stator core so arranged, it not be used on the periphery of stator core and preset for welding or the fixing groove copying plate, because of the structure without destroying coolant flow channel, coolant flow channel short circuit will not be made, thus being conducive to improving the radiating effect of stator core, and then ensure the functional reliability of motor.Meanwhile, the stator core adopting connecting rod 20 fixed form to be formed, also there is on-deformable feature.
Meanwhile, adopting this structure fixed stator iron core, the cylindrical making stator core is smooth, neat, and the cooling effect making spiral type coolant flow channel on the cylindrical of stator core is better.Moreover, owing to the cylindrical of stator core not having groove and weldering muscle so that when stator core coordinates with casing hot cover process, the internal stress distribution ratio of interference fit is more uniform, and assembly process process is good.
As shown in Figure 1, each stator punching 10 has multiple connection through hole 11, connection through hole 11 being provided at circumferentially spaced around stator punching 10 on same stator punching 10, and the equal one_to_one corresponding of multiple connection through holes 11 on adjacent two stator punchings 10 is coaxially disposed, so that all stator punchings 10 are formed multiple connectivity structure；Connecting rod 20 is multiple, and multiple connecting rod 20 one_to_one corresponding are plugged on multiple connectivity structure place.Owing to being provided with multiple connectivity structure and multiple connecting rod 20, thus it is effectively increased assembly reliability and the bonding strength of stator core.
Specifically, the multiple connection through holes 11 on same stator punching 10 are equally spaced.So, during assembling stator iron core, be conducive to making assembly force distribution more uniform, improve assembly process process.
Alternatively, on same stator punching 10, connect the number of through hole 11 less than or equal to 10 and be more than or equal to 4.Within the scope of this, the assembly reliability of stator core can not only be ensured, also be prevented effectively from the number because connecting through hole 11 too much, and cause that the structural strength of stator core is impaired.
Alternatively, connecting through hole 11 is circular port, connects the diameter D of through hole 11 be more than or equal to 6 millimeters and less than or equal to 20 millimeters.Similarly, the connection through hole 11 within the scope of this, processing and manufacturing can not only be easy to, it is simple to assemble with connecting rod 20, moreover it is possible to avoid the structural strength to stator core to produce deleterious effect.
Alternatively, at stator punching 10 in the radial direction, the central point of through hole 11 ratio to the first distance L1 between second distance L2 and the outer peripheral edge of the central point being connected through hole 11 to stator punching 10 between the central point of stator punching 10 is connected be more than or equal to 8 and less than or equal to 10.Connection through hole 11 within the scope of this, both can ensure that between stator punching 10, reliability connected, moreover it is possible to avoids connecting the through hole 11 magnetic flux density on stator core and produces impact, it is ensured that the job stability of stator core.
Certainly, through hole 11 is connected except adopting circular port, it is also possible to select slotted eye or mounting hole.It is primarily to facilitate processing and manufacturing.
In the detailed description of the invention shown in Fig. 2, the first location structure 30 and/or the second location structure 40 are tooth support, and tooth support is connected on the end face of stator punching 10.Tooth support and connecting rod 20 have the advantages that to be easy to assemble, connection reliability is good.And be respectively provided with tooth support at the two ends of stator punching 10 and be also beneficial to the fixing of stator punching 10.
Alternatively, the first location structure 30 and/or the second location structure 40 are fixing with stator punching 10 after being mounted in connecting rod 20 is connected.So, be conducive to improving further the connection reliability of stator core.
Still optionally further, it is welded and fixed with stator punching 10 after the first location structure 30 and/or the second location structure 40 are mounted in connecting rod 20.First location structure 30 and/or the second location structure 40 are welded and fixed with stator punching 10, the overall structural strength of stator core and connection reliability can not only be improved, also there is the advantage being easy to processing and manufacturing.
Specifically, in the detailed description of the invention shown in Fig. 2, tooth support welds with stator punching 10.
In a not shown optional embodiment, at least one end of connecting rod 20 has thread segment, and the first location structure 30 and/or the second location structure 40 are lock nut, and lock nut is connected on the end face of stator punching 10 after threadeding with thread segment.Owing to lock nut and thread segment axially have certain backstop action in connecting rod 20, thus stator core is made to be not only convenient for assembling, moreover it is possible to improve the connection reliability of stator punching 10.
In the optional embodiment that another is not shown, at least one end of connecting rod 20 offers draw-in groove, is connected on the end face of stator punching 10 after the first location structure 30 and/or the second location structure 40 and draw-in groove clamping.The mode of clamping, is not only convenient for dismounting, can also reduce the processing and manufacturing requirement to first location structure the 30, second location structure 40 and connecting rod 20, is conducive to improving the production efficiency of stator core.
Specifically, the first location structure 30 and/or the second location structure 40 are positioning checkpoint.
In the optional embodiment that another is not shown, first location structure 30 is the limiting plate of the first end being fixed on connecting rod 20, second end of connecting rod 20 is through connectivity structure so that limiting plate is connected on the end face of stator punching 10, and the second location structure 40 is arranged on the second end of connecting rod 20 so that all stator punchings 10 are clamped between limiting plate and the second location structure 40.Contact as such, it is possible to first make one end with limiting plate of connecting rod 20 position with the end face of stator punching 10, then the advantage just when installing the second location structure 40 on the second end of connecting rod 20 with manipulation easy and simple to handle, easy.
Certainly, the first location structure 30 of said structure and the second location structure 40 are installed after putting in place, and the mode of welding and stator punching 10 can be adopted adaptively to be fixed.
Alternatively, motor is permagnetic synchronous motor.The permagnetic synchronous motor of said structure can adapt to application demand high-power, high-revolving, improves the use scope of motor.
Alternatively, compressor is centrifugal refigerating compressor.
As can be seen from the above description, this utility model the above embodiments achieve following technique effect:
When 1, solving permagnetic synchronous motor high-power, high-revolving employing slender type stator core, easily there is rigidity deficiency, it is easy to the problem of deformation.
2, rotating speed permagnetic synchronous motor high-power, high is solved when applying on centrifugal refigerating compressor, spiral flow channel cooling circuit short circuit on the outer peripheral face of stator core and the problem that causes radiating effect difference.
It should be noted that term used herein above merely to describe detailed description of the invention, and be not intended to the restricted root illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative is also intended to include plural form, in addition, it is to be further understood that, when using term " comprising " and/or " including " in this manual, it indicates existing characteristics, step, work, device, assembly and/or their combination.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to presently filed embodiment described herein can with except here diagram or describe those except order implement.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (16)
1. a stator core, it is characterised in that including:
The multiple stator punchings (10) being sequentially stacked, described stator punching (10) has the connection through hole (11) that the thickness direction of through described stator punching (10) is arranged, and the described connection through hole (11) on adjacent two described stator punchings (10) is coaxially disposed；
Connecting rod (20), the connectivity structure that the described connection through hole (11) that described connecting rod (20) traverse is coaxially disposed is constituted is so that all described stator punchings (10) are set in described connecting rod (20)；
First location structure (30), described first location structure (30) is arranged on the first end of described connecting rod (20)；
Second location structure (40), described second location structure (40) is arranged on the second end of described connecting rod (20), and all described stator punchings (10) are fixed between described first location structure (30) and described second location structure (40).
2. stator core according to claim 1, it is characterised in that
Each described stator punching (10) has multiple connection through hole (11), described connection through hole (11) being provided at circumferentially spaced around described stator punching (10) on same described stator punching (10), and all one_to_one corresponding of the multiple described connection through hole (11) on adjacent two described stator punchings (10) are coaxially disposed, so that all described stator punchings (10) are upper forms multiple described connectivity structures；
Described connecting rod (20) is for multiple, and multiple described connecting rod (20) one_to_one corresponding are plugged on multiple described connectivity structure place.
3. stator core according to claim 2, it is characterised in that the multiple described connection through hole (11) on same described stator punching (10) is equally spaced.
4. stator core according to claim 2, it is characterised in that on same described stator punching (10), the number of described connection through hole (11) is less than or equal to 10 and be more than or equal to 4.
5. stator core according to claim 1, it is characterised in that described connection through hole (11) is circular port, the diameter D of described connection through hole (11) is be more than or equal to 6 millimeters and less than or equal to 20 millimeters.
6. stator core according to claim 1, it is characterized in that, at described stator punching (10) in the radial direction, the ratio of the first distance L1 between second distance L2 and the outer peripheral edge of the described central point extremely described stator punching (10) being connected through hole (11) between the central point of the central point of described connection through hole (11) extremely described stator punching (10) is be more than or equal to 8 and less than or equal to 10.
7. stator core according to claim 1, it is characterized in that, described first location structure (30) and/or described second location structure (40) are mounted to upper rear the fixing with described stator punching (10) of described connecting rod (20) and are connected.
8. stator core according to any one of claim 1 to 7, it is characterized in that, described first location structure (30) and/or described second location structure (40) are tooth support, and described tooth support is connected on the end face of described stator punching (10).
9. stator core according to claim 8, it is characterised in that described tooth support welds with described stator punching (10).
10. stator core according to any one of claim 1 to 7, it is characterized in that, at least one end of described connecting rod (20) has thread segment, described first location structure (30) and/or described second location structure (40) are lock nut, and described lock nut is connected on the end face of described stator punching (10) after threadeding with described thread segment.
11. stator core according to any one of claim 1 to 7, it is characterized in that, at least one end of described connecting rod (20) is connected on the end face of described stator punching (10) after offering draw-in groove, described first location structure (30) and/or described second location structure (40) and described draw-in groove clamping.
12. stator core according to claim 11, it is characterised in that described first location structure (30) and/or described second location structure (40) are positioning checkpoint.
13. stator core according to any one of claim 1 to 7, it is characterized in that, described first location structure (30) is the limiting plate of the first end being fixed on described connecting rod (20), second end of described connecting rod (20) is through described connectivity structure so that described limiting plate is connected on the end face of described stator punching (10), and described second location structure (40) is arranged on the second end of described connecting rod (20) so that all described stator punchings (10) are clamped between described limiting plate and described second location structure (40).
14. a motor, including stator core, it is characterised in that described stator core is the stator core according to any one of claim 1 to 13.
15. motor according to claim 14, it is characterised in that described motor is permagnetic synchronous motor.
16. a compressor, including motor, it is characterised in that described motor is the motor described in claims 14 or 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149123.6U CN205407437U (en) | 2016-02-26 | 2016-02-26 | Stator core , motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149123.6U CN205407437U (en) | 2016-02-26 | 2016-02-26 | Stator core , motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407437U true CN205407437U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620149123.6U Active CN205407437U (en) | 2016-02-26 | 2016-02-26 | Stator core , motor and compressor |
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| CN (1) | CN205407437U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208483A (en) * | 2016-08-24 | 2016-12-07 | 六安强力电机有限公司 | A kind of motor being easy to stator maintenance |
| CN107645213A (en) * | 2016-07-22 | 2018-01-30 | 阿尔斯通运输科技公司 | Rotor frame and related manufacture method for the welding of motor |
| CN108110914A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | Stator core and motor |
-
2016
- 2016-02-26 CN CN201620149123.6U patent/CN205407437U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645213A (en) * | 2016-07-22 | 2018-01-30 | 阿尔斯通运输科技公司 | Rotor frame and related manufacture method for the welding of motor |
| CN107645213B (en) * | 2016-07-22 | 2021-05-11 | 阿尔斯通运输科技公司 | Welded stator frame for an electric machine and associated production method |
| CN106208483A (en) * | 2016-08-24 | 2016-12-07 | 六安强力电机有限公司 | A kind of motor being easy to stator maintenance |
| CN108110914A (en) * | 2018-01-25 | 2018-06-01 | 博远机电（嘉兴）有限公司 | Stator core and motor |
| CN108110914B (en) * | 2018-01-25 | 2024-02-06 | 博远机电（嘉兴）有限公司 | Stator core and motor |
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