Stator core structure convenient to assemble

Abstract

The utility model discloses a stator core structure convenient to assemble, which relates to the technical field of stator core assembly and comprises an annular casing, a plurality of radiating holes are equidistantly arranged on the annular casing, the radiating holes penetrate through the annular casing, fixing columns are fixedly connected to the periphery of the outer wall of the annular casing, through holes are arranged in the middles of the fixing columns, and the through holes are communicated with the radiating holes. Fixing bolts are mounted in the through holes, and an annular frame cover plate is mounted at the upper ends of the fixing columns; according to the utility model, through the fixing bolts among the annular shell, the annular frame cover plate and the annular frame bottom plate, the annular shell, the annular frame cover plate and the annular frame bottom plate can be tensioned and fixed conveniently, so that the convenience of assembling the stator core is improved, and the function of convenient assembling can be realized; and the inner side of the annular casing is inserted into the stator core plate, so that the stator core is convenient to replace or maintain, the working efficiency of assembling the stator core is improved, the function of assembling the stator core can be realized, and the problem that the stator core is difficult to assemble is finally solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stator core assembly, in particular to a stator core structure which is easy to assemble. Background Art

[0002] The earliest stator core structure is composed of a large number of parallel stacked silicon steel sheets, which are fixed together by welding or rivets. This method has energy loss and temperature rise problems due to the stacking gap and contact resistance. The existing stator core is usually composed of fan-shaped sheets, ventilation slot sheets, positioning ribs, upper and lower tooth pressure plates, tension bolts and support plates. Although the existing stator core structure does not require welding, it is easy to cause assembly difficulties due to the complexity of the stator core when assembling the stator core. Secondly, although the existing stator core structure cuts longitudinal or transverse grooves on the surface of the silicon steel sheet to hinder the formation of eddy currents, there are still limitations on defining the groove shape. Therefore, the above technical problems need to be solved. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a stator core structure that is easy to assemble.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stator core structure that is easy to assemble, including an annular casing, on which a plurality of heat dissipation holes are equidistantly opened, and the heat dissipation holes penetrate the annular casing, and fixed columns are installed and fixed on the outer wall of the annular casing on all sides, a through hole is opened in the middle of the fixing column, and fixing bolts are installed inside the through hole, an annular frame cover is installed on the upper end of the fixing column, the annular frame cover covers one end of the annular casing, and a plurality of hexagonal fixing nut holes are equidistantly opened on the upper end of the annular frame cover.

[0005] Preferably, the inner wall of the annular housing is provided with a plurality of equidistant limiting grooves, the inner side of the limiting grooves is tightly fitted with a stator core plate, and the stator core plate is provided with equidistant limiting grooves.

[0006] Preferably, a core coil limiting plate is fixedly mounted on the other end of the stator core plate, and winding slots are equidistantly arranged on the core coil limiting plate.

[0007] A through hole is provided between the annular housing, the annular frame cover plate and the annular frame bottom plate, and a tightening and fixing mechanism is installed inside the through hole.

[0008] Preferably, limiting columns are installed on both upper and lower sides of the stator core plate, the bottom of the limiting column is fixedly connected to the stator core plate, and a fixing groove is provided between the limiting column and the stator core plate.

[0009] Preferably, the tightening and fixing mechanism includes a tightening bolt and a fixed hexagonal nut, one end of the tightening bolt is a hexagon socket bolt, and a connecting rod is installed on the tightening bolt, one end of the connecting rod is fixedly connected to the tail of the hexagon socket bolt, and the other end of the connecting rod is provided with a threaded groove, and a fixed hexagonal nut is screwed and connected to the outer side of the threaded groove.

[0010] Compared with the prior art, the beneficial effect of the utility model is as follows: in the utility model, through the fixing bolts between the annular shell, the annular frame cover plate and the annular frame bottom plate, it is convenient to tighten and fix the annular shell, the annular frame cover plate and the annular frame bottom plate, thereby improving the convenience of assembling the stator core, thereby realizing the function of convenient assembly, and then through the inner side of the annular casing and the stator core plate being plugged in, it is convenient to replace or maintain the stator core, thereby improving the work efficiency of the stator core assembly, thereby realizing the function of assembling the stator core, and finally solving the problem of difficult assembly of the stator core. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the other side proposed by the utility model;

[0014] Figure 3 This is a side view schematic diagram of the structure proposed by the utility model;

[0015] Figure 4 This is a schematic diagram of the top view structure proposed by the utility model;

[0016] Figure 5 This is a side cross-sectional structural schematic diagram of the utility model.

[0017] Serial numbers in the figure: 1. annular housing; 2. heat dissipation holes; 3. fixing columns; 4. fixing bolts; 5. annular frame cover; 6. stator core plate; 7. core coil limit plate; 8. tension bolts; 9. annular frame bottom plate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Example: See Figure 1-5 The utility model provides a stator core structure that is easy to assemble, including an annular casing 1, on which a plurality of heat dissipation holes 2 are equidistantly provided, and the heat dissipation holes 2 penetrate the annular casing 1, and fixed columns 3 are fixedly installed on the outer wall of the annular casing 1 all around, and a through hole is provided in the middle of the fixed column 3, and fixing bolts 4 are installed inside the through hole, and an annular frame cover plate 5 is installed on the upper end of the fixing column 3, and the annular frame cover plate 5 covers one end of the annular casing 1, and a plurality of hexagonal fixing nut holes are equidistantly provided on the upper end of the annular frame cover plate 5, and the hexagonal fixing bolt holes at the upper end of the annular frame 1 are convenient for installing and fixing the hexagonal fixing bolts on the inner side; the inner wall of the annular casing 1 is provided with a plurality of equidistant limiting grooves, and the inner side of the limiting grooves is tightly fitted with a stator core plate 6, and the stator core plate 6 is provided with limiting grooves equidistantly provided on the stator core plate 6, and the limiting grooves between the stator core plates 6 facilitate the heat dissipation of the stator core plate 6 during operation.

[0020] In the present invention, a core coil limiting plate 7 is fixedly installed on the other end of the stator core plate 6, and winding slots are equidistantly provided on the core coil limiting plate 7. The core coil limiting plate 7 at one end of the stator core plate 6 can more effectively facilitate coil winding; a through hole is provided between the annular housing 1, the annular frame cover plate 5 and the annular frame bottom plate 9, and a tightening and fixing mechanism is installed inside the through hole. The through hole is provided between the annular housing 1, the annular frame cover plate 5 and the annular frame bottom plate 9, so as to facilitate the assembly and fixing of the stator core; limiting columns are installed on both the upper and lower sides of the stator core plate 6, and the bottom of the limiting column is fixed to the stator. A fixing groove is provided on the core plate 6 and between the limit column and the stator core plate 6. The fixing groove between the limit column and the stator core plate 6 can effectively prevent the core coil from spreading and causing an accident. The tightening and fixing mechanism includes a tightening bolt 8 and a fixed hexagonal nut. One end of the tightening bolt 8 is a hexagonal bolt, and a connecting rod is installed on the tightening bolt 8. One end of the connecting rod is fixedly connected to the tail of the hexagonal bolt, and the other end of the connecting rod is provided with a threaded groove. The outer side of the threaded groove is screwed and connected with a fixed hexagonal nut. By rotating the hexagonal bolt at one end of the tightening bolt 8, the stator core shell is conveniently fixedly connected to the upper and lower base plates.

[0021] Working principle: When the utility model is used, first, the through heat dissipation holes 2 on the annular casing 1 are used to dissipate heat during operation of the stator core, and then the stator core is fixed by the fixing bolts 4 on the inner side of the fixing column 3, and then the annular casing 1, the annular frame cover 5 and the annular frame bottom plate 9 are assembled and fixed by the tensioning bolts 8 through the through holes on the inner sides of the annular frame cover 5 and the annular frame bottom plate 9; secondly, the grooves between the stator core plates 6 on the inner side of the annular casing 1 facilitate the heat dissipation during operation of the stator core, and then the core coil limiting plates 7 on the stator core plates 6 are used to prevent the coil from detaching from the stator core plates 6 when winding, and then the outermost stator core coil limiting plates 7 can be used to prevent the coil from spreading.

[0022] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stator core structure that is easy to assemble, comprising an annular housing (1), characterized in that: The annular housing (1) is provided with a plurality of heat dissipation holes (2) at equal intervals, the heat dissipation holes (2) penetrate the annular housing (1), the outer wall of the annular housing (1) is fixedly mounted with fixing columns (3) on all sides, the middle of the fixing columns (3) is provided with a through hole, and fixing bolts (4) are installed inside the through hole, the upper end of the fixing columns (3) is provided with an annular frame cover plate (5), the annular frame cover plate (5) covers one end of the annular housing (1), and the upper end of the annular frame cover plate (5) is provided with a plurality of hexagonal fixing nut holes at equal intervals.

2. The stator core structure that is easy to assemble according to claim 1, characterized in that: The inner wall of the annular housing (1) is provided with a plurality of equidistant limiting grooves, the inner sides of the limiting grooves are tightly fitted with stator core plates (6), and the stator core plates (6) are provided with equidistant limiting grooves.

3. The stator core structure that is easy to assemble according to claim 2, characterized in that: The other end of the stator iron core plate (6) is fixedly mounted with an iron core coil limiting plate (7), and winding slots are equidistantly provided on the iron core coil limiting plate (7).

4. The stator core structure that is easy to assemble according to claim 1, characterized in that: A through hole is provided between the annular housing (1), the annular frame cover plate (5) and the annular frame bottom plate (9), and a tensioning and fixing mechanism is installed inside the through hole.

5. The stator core structure that is easy to assemble according to claim 2, characterized in that: Limiting columns are installed on both upper and lower sides of the stator core plate (6); the bottom of the limiting column is fixedly connected to the stator core plate (6); and a fixing groove is provided between the limiting column and the stator core plate (6).

6. The stator core structure that is easy to assemble according to claim 4, characterized in that: The tightening and fixing mechanism comprises a tightening bolt (8) and a fixing hexagonal nut, one end of the tightening bolt (8) is a hexagon socket bolt, and a connecting rod is mounted on the tightening bolt (8), one end of the connecting rod is fixedly connected to the tail of the hexagon socket bolt, and the other end of the connecting rod is provided with a threaded groove, and the fixing hexagonal nut is screwed and connected to the outer side of the threaded groove.

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