CN205017135U - Motor, rotor core and compressor - Google Patents
Motor, rotor core and compressor Download PDFInfo
- Publication number
- CN205017135U CN205017135U CN201520754790.2U CN201520754790U CN205017135U CN 205017135 U CN205017135 U CN 205017135U CN 201520754790 U CN201520754790 U CN 201520754790U CN 205017135 U CN205017135 U CN 205017135U
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- Prior art keywords
- rotor core
- groove
- rotor
- draw
- sliver
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- Expired - Fee Related
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- 238000004080 punching Methods 0.000 claims abstract description 49
- 230000006978 adaptation Effects 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000397426 Centroberyx lineatus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a rotor core is formed by a plurality of mutual insulated's rotor punching coincide to arbitrary adjacent two all be provided with the same and at the rotor core axial opening draw-in groove that corresponds of shape on the excircle of rotor punching, it is a plurality of the last opening draw-in groove of rotor punching forms the edge the positioning groove of rotor core axial extension inlays to be established in the positioning groove, and both ends are fixed location conducting bar on the rotor core is with a plurality of the rotor punching is even as whole. This rotor core makes the fixed of rotor punching more firm to the operation is simple and easy convenient, in addition, owing to do not set up the knot point on the rotor punching, therefore can not destroy rotor core's magnetic circuit, this loss that has just effectively reduced rotor core has promoted the efficiency of motor. The utility model also discloses a motor and compressor that contain above-mentioned rotor core.
Description
Technical field
The utility model relates to motor production technical field, particularly a kind of motor, rotor core and compressor.
Background technology
As everyone knows, in order to reduce area of passage, reduce heating, reduce eddy current loss and magnetic hysteresis loss, the rotor core in current motor is all adopt the silicon steel sheet of multilayer mutually insulated (or claiming rotor punching) to be built up, in the process that rotor core manufactures, need to consider the problem that interfixes between adjacent silicon steel disc, in current rotor core, adjacent two panels silicon steel sheet is pressed together from button point slices fastening with it by being arranged on, the whole rotor core of final formation.
Fixing between adjacent silicon steel disc can be realized in this way although adopt, but buckle a little because needs are arranged on silicon steel sheet, this will destroy the magnetic circuit of rotor, increase the eddy current loss in silicon steel sheet and magnetic hysteresis loss, cause the temperature of rotor core to raise, and finally affect the efficiency of motor.
Therefore, how can either realize fixing between adjacent silicon steel disc, the loss that effectively can reduce again rotor core is the technical problem that current those skilled in the art need solution badly.
Utility model content
One of the purpose of this utility model is to provide a kind of rotor core, can either realize fixing between adjacent rotor punching, effectively can reduce again the loss of rotor core.
Another object of the present utility model is also to provide a kind of motor with above-mentioned rotor core.
An object more of the present utility model is also to provide a kind of compressor with above-mentioned motor.
For achieving the above object, the rotor core that the utility model provides, be built up by the rotor punching of multiple mutually insulated, and it is identical and at the axially corresponding opening draw-in groove of rotor core the cylindrical of arbitrary neighborhood two described rotor punchings to be provided with shape, open card groove on multiple described rotor punching is formed along the axially extended locating groove of described rotor core, be embedded in described locating groove, and multiple described rotor punching is linked as entirety by the location sliver that two ends are fixed on described rotor core.
Preferably, rotor punching described in any one is provided with the identical multiple described opening draw-in groove of quantity in self circumference, and the open card groove on multiple described rotor punching forms the multiple described locating groove along the distribution of described rotor core circumference.
Preferably, the number of described locating groove is equal with the number of poles of described rotor core, and described locating groove is uniformly distributed along the circumference of described rotor core.
Preferably, the two ends of described location sliver and described rotor core are riveted fixing, or are fastened by cramp.
Preferably, described opening draw-in groove is circular open draw-in groove, and the central angle corresponding to its opening is less than 180 °, and described location sliver is the cylindrical location sliver with described circular open draw-in groove adaptation.
Preferably, described opening draw-in groove is dovetail groove, and described location sliver is locate sliver with the dovetail shaped of described dovetail groove adaptation.
Preferably, described opening draw-in groove is elliptical openings draw-in groove, and described location sliver is locate sliver with the ellipse of described elliptical openings draw-in groove adaptation.
Motor disclosed in the utility model, comprises rotor core, and described rotor core is the rotor core as above disclosed in any one.
Compressor disclosed in the utility model comprises motor, and described motor is above-mentioned motor.
As can be seen from above technical scheme, rotor core disclosed in the utility model, the cylindrical of each rotor punching is all provided with shape identical, and at the opening draw-in groove that rotor core is axially corresponding, bayonet socket draw-in groove on rotor punching defines along the axially extended locating groove of rotor core, be embedded with location sliver in locating groove, rotor punching is linked as entirety by location sliver.
Rotor core rotor punching disclosed in the utility model is connected as a single entity by location sliver, and to locate sliver be embedded in the locating groove formed by the opening draw-in groove on each rotor punching, two ends and the rotor core of location sliver are fixed, this kind of form makes the fixing more firm of rotor punching, and operate simple and convenient, in addition, owing to not arranging button point on rotor punching, thus the magnetic circuit of rotor core can not be destroyed, this just effectively reduces the loss of rotor core, improves the efficiency of motor.
Due in motor disclosed in the utility model and compressor, all contain above-mentioned rotor core, thus motor and compressor also should have the corresponding technological merit of rotor core concurrently, no longer repeat herein to this.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of rotor core disclosed in the utility model embodiment;
Fig. 2 is the structural representation of the rotor punching disclosed in a kind of embodiment of the utility model;
Fig. 3 is the structural representation of the rotor punching disclosed in another embodiment of the utility model;
Fig. 4 is the structural representation of the rotor punching of the utility model again disclosed in an embodiment.
Wherein, 1 is rotor core, and 2 is location sliver, and 3 is through flow hole, and 4 is rotor punching, and 5 is magnet steel, and 41 is opening draw-in groove.
Embodiment
One of core of the present utility model is to provide a kind of rotor core, can either realize fixing between adjacent rotor punching, effectively can reduce again the loss of rotor core.
Another core of the present utility model is also to provide a kind of motor adopting above-mentioned rotor core.
A core more of the present utility model is also to provide a kind of compressor adopting above-mentioned motor.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please first referring to figs. 1 to Fig. 4, Fig. 1 is the overall structure schematic diagram of rotor core disclosed in the utility model embodiment, Fig. 2 is the structural representation of the rotor punching disclosed in a kind of embodiment of the utility model, Fig. 3 for the structural representation of the rotor punching disclosed in another embodiment of the utility model, Fig. 4 be the structural representation of the rotor punching of the utility model again disclosed in an embodiment.
Rotor core 1 disclosed in the utility model is built up by the rotor punching 4 of multiple mutually insulated, and it is identical that the cylindrical of two of arbitrary neighborhood rotor punchings 4 is provided with shape, and at the axially corresponding opening draw-in groove 41 of rotor core 1, opening draw-in groove 41 set on the rotor punching 4 of all formation rotor cores 1 is formed along the axially extended locating groove of rotor core 1, be embedded in locating groove, and all rotor punchings 4 are linked as entirety by the location sliver 2 that two ends are fixed on rotor core 1, as shown in fig. 1.
Can be learnt by technical scheme disclosed in above-described embodiment, rotor punching 4 in rotor core 1 is linked as entirety by location sliver 2, location sliver 2 is embedded in the locating groove formed by the opening draw-in groove 41 on each rotor punching 4, and two ends and the rotor core 1 of locating sliver 2 are fixed, this just can ensure that all rotor punchings 4 reliably hold together by location sliver 2, and this kind of connected mode also has advantage easy and simple to handle in actual production process; More it is advantageous that owing to adopting the rotor core 1 of this kind of connected mode, without the need to arranging button point on each rotor punching 4, the magnetic circuit of rotor core 1 thus also would not be destroyed, thus effectively reduce the loss of rotor core 1, improve the efficiency of motor.
It is emphasized that, the quantity of opening draw-in groove 41 set on rotor punching 4 is not limited in the utility model, one or more opening draw-in groove 41, certainly, in order to ensure the reliability connected between rotor punching 4, recommend any one rotor punching 4 in self circumference, be provided with the identical multiple opening draw-in grooves 41 of quantity in the present embodiment, as in Fig. 2 to Fig. 4, the open card groove on multiple rotor punching 41 is so just made to define multiple locating groove along the distribution of rotor core 1 circumference, as shown in fig. 1, location sliver 2 is all embedded with in each locating groove, guarantee each rotor punching 4 to be connected as a single entity reliably.In actual production process, can, according to the number of poles of rotor core 1, opening draw-in groove 41 number on every sheet rotor punching 4 be set to equal with the number of poles of rotor core 1, in order to the convenience of processing, locating groove also can be made to be uniformly distributed along the circumference of rotor core 1, as shown in fig. 1.
Need to carry out it is emphasised that, the location sliver 2 be embedded in locating groove should higher than the external diameter of rotor core 1, and it can be concordant with the external diameter of rotor core 1, can slightly lower than the external diameter of rotor core 1 yet, impacts to avoid the rotation of locating sliver 2 pairs of rotors.
The mode that the two ends of location sliver 2 and rotor core 1 are fixed can have multiple choices, and the fixed form at the two ends and rotor core 1 of locating sliver 2 in the utility model embodiment is rivet to fix, or is fastened by cramp.
The shape of opening draw-in groove 41 also can have multiple choices, please refer to Fig. 2 to Fig. 4, in fig. 2, opening draw-in groove 41 is specially circular opening draw-in groove, and the central angle corresponding to its opening is less than 180 °, close up to be formed, location sliver 2 is specially the cylindrical location sliver with circular open draw-in groove adaptation; In figure 3, opening draw-in groove 41 is specially dovetail groove, and locates sliver 2 and be specially and locate sliver with the dovetail shaped of dovetail groove adaptation, and so-called dovetail shaped location sliver is that the shape of cross section of specific bit sliver is in the swallow-tail form with dovetail groove adaptation; In the diagram, opening draw-in groove 41 is specially elliptical openings draw-in groove, and locates sliver 2 and be specially and locate sliver with the ellipse of elliptical openings draw-in groove adaptation, preferably, the opening projection of elliptical openings draw-in groove is less than oval major axis, closes up to make opening be formed, thus clamping location sliver 2.
In addition, opening draw-in groove 41 also can be designed to other various shapes, as long as can ensure that location sliver 2 can block by its locating groove formed, will not enumerate in present specification to this.
No matter rotor core disclosed in the utility model 1 is to determining frequency motor or variable-frequency motor is all applicable.
Also disclose a kind of motor in the utility model embodiment, comprise rotor core, and this rotor core is rotor core disclosed in above-mentioned any embodiment.
Also disclose a kind of compressor in the utility model embodiment, this compressor comprises motor, and this motor is motor disclosed in above-described embodiment.
Owing to all containing rotor core disclosed in above-described embodiment in motor disclosed in the utility model embodiment and compressor, thus this motor and compressor also should have the corresponding technological merit of above-mentioned rotor core concurrently, no longer repeat in present specification to this.
Above motor provided by the utility model, rotor core and compressor are described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (9)
1. a rotor core, be built up by the rotor punching (4) of multiple mutually insulated, it is characterized in that, the cylindrical of arbitrary neighborhood two described rotor punchings (4) is provided with shape identical and at the axially corresponding opening draw-in groove (41) of rotor core, opening draw-in groove (41) on multiple described rotor punching (4) is formed along described rotor core (1) axially extended locating groove, be embedded in described locating groove, and multiple described rotor punching (4) is linked as entirety by the location sliver (2) that two ends are fixed on described rotor core (1).
2. rotor core according to claim 1, it is characterized in that, rotor punching described in any one (4) is provided with the identical multiple described opening draw-in groove (41) of quantity in self circumference, and the opening draw-in groove (41) on multiple described rotor punching (4) forms the multiple described locating groove along the distribution of described rotor core circumference.
3. rotor core according to claim 2, is characterized in that, the number of described locating groove is equal with the number of poles of described rotor core (1), and described locating groove is uniformly distributed along the circumference of described rotor core.
4. rotor core according to claim 1, is characterized in that, the two ends of described location sliver (2) and described rotor core (2) are riveted fixing, or are fastened by cramp.
5. rotor core according to claim 1, it is characterized in that, described opening draw-in groove (41) is circular open draw-in groove, and the central angle corresponding to its opening is less than 180 °, and described location sliver (2) is the cylindrical location sliver with described circular open draw-in groove adaptation.
6. rotor core according to claim 1, is characterized in that, described opening draw-in groove (41) is dovetail groove, and described location sliver (2) is locate sliver with the dovetail shaped of described dovetail groove adaptation.
7. rotor core according to claim 1, is characterized in that, described opening draw-in groove (41) is elliptical openings draw-in groove, and described location sliver (2) is locate sliver with the ellipse of described elliptical openings draw-in groove adaptation.
8. a motor, comprises rotor core, it is characterized in that, described rotor core is the rotor core as described in claim 1-7 any one.
9. a compressor, comprises motor, it is characterized in that, described motor is motor as described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754790.2U CN205017135U (en) | 2015-09-25 | 2015-09-25 | Motor, rotor core and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520754790.2U CN205017135U (en) | 2015-09-25 | 2015-09-25 | Motor, rotor core and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017135U true CN205017135U (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520754790.2U Expired - Fee Related CN205017135U (en) | 2015-09-25 | 2015-09-25 | Motor, rotor core and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119409A (en) * | 2015-09-25 | 2015-12-02 | 珠海凌达压缩机有限公司 | Motor, rotor core and compressor |
-
2015
- 2015-09-25 CN CN201520754790.2U patent/CN205017135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105119409A (en) * | 2015-09-25 | 2015-12-02 | 珠海凌达压缩机有限公司 | Motor, rotor core and compressor |
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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: 20160203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |