Limiting mechanism for fixing stator core

Abstract

The utility model discloses a limiting mechanism for fixing a stator core, which relates to the technical field of stator core fixing and limiting, and comprises an annular shell, a plurality of heat dissipation holes are equidistantly arranged on the side surface of the annular shell in the vertical direction, the heat dissipation holes penetrate through the annular shell and are distributed on the equidistant side surface of the annular shell, and limiting grooves are arranged on the periphery of the annular shell. T-shaped grooves are formed in the inner sides of the limiting grooves in an inward penetrating mode, and the annular shells are fixed through clamping. According to the utility model, locking is carried out through the locking and fixing mechanisms among the annular shell, the annular bottom plate and the annular cover plate, so that the stator core on the inner side can be prevented from moving, the stability of the stator core is improved, the function of fixing the stator core can be realized, and a T-shaped groove formed in the inner side of the annular shell is clamped with a stator core plate, so that the stability of the stator core is improved. The stator iron core can be conveniently limited, the use efficiency of the stator iron core is improved, the function of limiting the stator iron core can be further achieved, and finally the problems of fixing and limiting the stator iron core are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of stator core fixing and limiting, in particular to a stator core fixing and limiting mechanism. Background Art

[0002] Initially, the limiting mechanism for fixing the stator core usually adopts a simple mechanical direct fixing method, such as bolts or other fasteners, and the stator core structure includes fan-shaped pieces, ventilation slots, positioning ribs, upper and lower tooth pressure plates, tension bolts and support plates. When the existing stator core is fixed with bolts, it is easy for the stator core to be used for too long, resulting in the bolts being difficult to remove due to environmental or self-reasons. Secondly, the existing stator core limiting mechanism only adopts bolt screwing to fix the limit. Once the bolt fails, it is easy to cause accidents. Therefore, it is necessary to solve the above technical problems. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a limiting mechanism for fixing a stator core.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a limiting mechanism for fixing a stator core, comprising an annular shell, a plurality of heat dissipation holes are evenly spaced on the side surface of the annular shell in the vertical direction, the heat dissipation holes penetrate the annular shell, and the heat dissipation holes are distributed on the evenly spaced side surfaces of the annular shell, limiting grooves are provided on all four sides of the annular shell, a T-shaped groove is provided inwardly through the inner side of the limiting groove, the annular shells are fixed by clamping, and through holes are evenly spaced on the inner side of the annular shell.

[0005] Preferably, an annular base plate is installed at the lower end of the annular shell, the inner side of the upper end of the annular base plate is recessed inward to form a fixing groove, and a plurality of hexagon socket bolt holes are equidistantly provided on the annular base plate, the hexagon socket bolt holes match the through holes on the inner side of the annular shell, and the bottom surface of the annular shell fits tightly with the upper end of the annular base plate.

[0006] Preferably, an annular cover plate is installed on the upper end of the annular shell, the lower end surface of the annular cover plate is tightly fitted with the upper end surface of the annular shell, and hexagonal fixing holes are opened around the upper end of the annular cover plate, and hexagonal nuts are installed on the inner side of the hexagonal fixing holes, and a locking and fixing mechanism is installed between the annular shell, the annular bottom plate and the annular cover plate.

[0007] Preferably, the locking and fixing mechanism includes a through hole, a fixing hole, a connecting fixing hole and a connecting rod, a hexagon socket bolt is installed on the inside of the fixing hole, a connecting rod is fixedly connected to the tail end of the hexagon socket bolt, the connecting rod passes through the inside of the through hole, and a threaded groove is provided at the tail end of the connecting rod, a hexagonal nut is installed on the inside of the connecting fixing hole, and the hexagonal nut is screwed together with the connecting rod.

[0008] Preferably, the inner side of the annular shell is provided with equidistant limiting grooves, the limiting grooves are T-shaped limiting grooves, the inner side of the limiting grooves is clamped with a stator core plate, grooves are equidistantly provided between the stator core plates, and a core coil limiting plate is fixedly connected to the inner end surface of the stator core plate.

[0009] Preferably, T-shaped grooves are provided inside the limiting grooves around the outer sides of the annular shell, the annular bottom plate and the annular cover plate, an I-shaped fixing block is sleeved and installed inside the T-shaped groove, and limiting blocks are installed in an annular manner between the annular shells.

[0010] Compared with the prior art, the beneficial effect of the utility model is as follows: in the utility model, the locking and fixing mechanism between the annular shell and the annular bottom plate and the annular cover plate is tightened to prevent the inner stator core from moving, thereby improving the stability of the stator core, and thus realizing the function of fixing the stator core; and then the T-slot opened on the inner side of the annular shell is clamped with the stator core plate to facilitate limiting the stator core, thereby improving the efficiency of the use of the stator core, and thus realizing the function of limiting the stator core, and finally solving the problem of fixing and limiting 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 It is a side view schematic diagram of the partial structure 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 It is a side cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 This is a schematic diagram of the top cross-sectional structure proposed by the utility model.

[0017] Serial numbers in the figure: 1, annular shell; 2, heat dissipation holes; 3, annular bottom plate; 4, annular cover plate; 5, connecting rod; 6, I-shaped fixing block; 7, stator core plate; 8, core coil limit plate; 9, limit block. 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 discloses a stator core fixing limiting mechanism, comprising an annular shell 1, a plurality of heat dissipation holes 2 are evenly spaced on the side of the annular shell 1 in the vertical direction, the heat dissipation holes 2 penetrate the annular shell 1, and the heat dissipation holes 2 are distributed on the equidistant side of the annular shell 1, and a limiting groove is formed around the annular shell 1, and a T-shaped groove is formed inside the limiting groove, and the annular shells 1 are fixed by clamping, and the inner side of the annular shell 1 is evenly spaced. Through the heat dissipation holes 2 opened on the side of the annular shell 1, the stator can be effectively prevented from overheating during operation; an annular bottom plate 3 is installed at the lower end of the annular shell 1, and the inner side of the upper end of the annular bottom plate 3 is recessed inward to form a fixing groove, and a plurality of hexagon socket bolt holes are evenly spaced on the annular bottom plate 3, and the hexagon socket bolt holes match the through holes inside the annular shell 1, and the bottom surface of the annular shell 1 is tightly fitted with the upper end of the annular bottom plate 3, and the fixing groove between the annular shell 1 and the annular bottom plate 3 is mutually clamped, so as to fix the position of the annular shell 1 and the annular bottom plate 3.

[0020] In the utility model, an annular cover plate 4 is installed on the upper end of the annular shell 1, and the lower end surface of the annular cover plate 4 is tightly fitted with the upper end surface of the annular shell 1, and hexagonal fixing holes are opened around the upper end of the annular cover plate 4, and hexagonal nuts are installed on the inner sides of the hexagonal fixing holes. A locking and fixing mechanism is installed between the annular shell 1, the annular bottom plate 3 and the annular cover plate 4, and the annular shell 1, the annular bottom plate 3 and the annular cover plate 4 cooperate with each other with the locking and fixing mechanism, so that the annular shell 1, the annular bottom plate 3 and the annular cover plate 4 are conveniently tightened and fixed; the locking and fixing mechanism includes a through hole, a fixing hole, a connecting fixing hole and a connecting rod 5, an inner hexagon socket bolt is installed on the inner side of the fixing hole, and a connecting rod 5 is fixedly connected to the tail end of the inner hexagon socket bolt, the connecting rod 5 passes through the inner side of the through hole, and a threaded groove is opened on the tail end of the connecting rod 5, a hexagonal nut is installed on the inner side of the connecting fixing hole, and the hexagonal nut is screwed and connected with the connecting rod 5, and the connecting rod 5 is driven to rotate by rotating the inner hexagon socket bolt, so that the plates can be tightened and fixed.

[0021] In the utility model, limiting grooves are equidistantly arranged in an annular shape on the inner side of the annular shell 1, and the limiting grooves are T-shaped limiting grooves. A stator core plate 7 is clamped and installed on the inner side of the limiting grooves. Grooves are equidistantly arranged between the stator core plates 7, and a core coil limiting plate 8 is fixedly connected to the inner end surface of the stator core plate 7. The stator core plate 7 and the annular shell 1 are conveniently clamped together through the T-shaped block at one end of the stator core plate 7; T-shaped grooves are arranged on the inner side of the limiting grooves around the outer side of the annular shell 1, the annular bottom plate 3 and the annular cover plate 4, and an I-shaped fixing block 6 is sleeved and installed on the inner side of the T-shaped grooves. A limiting block 9 is annularly installed between the annular shells 1, and is clamped with the I-shaped fixing block 6 through the T-shaped groove on the outer side of the annular shell 1, so as to facilitate the fixing and limiting of the annular shell.

[0022] Working principle: When the utility model is used, first, the heat of the stator core during operation is discharged through the heat dissipation holes 2 passing through the outside of the annular shell 1, and then the annular bottom plate 3 and the annular cover plate 4 are tightened and fixed by the tension bolts through the through holes on the inside of the annular shell 1, and then the nut on one side of the inner connecting rod 5 is rotated inward and contracted, and then the stator core is positioned and fixed through the T-slot and I-shaped fixing block 6 on the inner side of the limiting groove of the annular shell 1; secondly, the position of the stator core plate 7 is fixed through the stator core plate 7 on the inside of the annular shell 1, and then the core coil limiting plate 8 on the stator core plate 7 can effectively prevent the core coil from detaching from the stator core plate 7 when winding, and then the annular shell 1 is fixed and limited through the limiting blocks 9 between the annular shells 1.

[0023] 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 fixing limiting mechanism, comprising an annular housing (1), characterized in that: The side surface of the annular shell (1) is provided with a plurality of heat dissipation holes (2) at equal intervals in the vertical direction, the heat dissipation holes (2) penetrate the annular shell (1), and the heat dissipation holes (2) are distributed on the side surface of the annular shell (1) at equal intervals, the annular shell (1) is provided with limiting grooves on all sides, the inner side of the limiting groove is provided with a T-shaped groove penetrating inwards, the annular shells (1) are fixed by snapping, and the inner side of the annular shell (1) is provided with through holes at equal intervals.

2. A stator core fixing limiting mechanism according to claim 1, characterized in that: An annular bottom plate (3) is mounted at the lower end of the annular housing (1); the inner side of the upper end of the annular bottom plate (3) is recessed inwards to form a fixing groove; and a plurality of hexagon socket bolt holes are equidistantly provided on the annular bottom plate (3); the hexagon socket bolt holes match the through holes on the inner side of the annular housing (1); and the bottom surface of the annular housing (1) fits tightly with the upper end of the annular bottom plate (3).

3. A stator core fixing limiting mechanism according to claim 2, characterized in that: An annular cover plate (4) is mounted on the upper end of the annular housing (1); the lower end surface of the annular cover plate (4) is tightly fitted with the upper end surface of the annular housing (1); and hexagonal fixing holes are provided around the upper end of the annular cover plate (4); hexagonal nuts are mounted inside the hexagonal fixing holes; and a locking and fixing mechanism is mounted between the annular housing (1), the annular bottom plate (3) and the annular cover plate (4).

4. A stator core fixing limiting mechanism according to claim 3, characterized in that: The locking and fixing mechanism comprises a through hole, a fixing hole, a connecting and fixing hole and a connecting rod (5); a hexagon socket bolt is installed inside the fixing hole; the connecting rod (5) is fixedly connected to the tail end of the hexagon socket bolt; the connecting rod (5) passes through the inside of the through hole; a threaded groove is provided at the tail end of the connecting rod (5); a hexagon nut is installed inside the connecting and fixing hole; and the hexagon nut is screwed and connected to the connecting rod (5).

5. The stator core fixing limiting mechanism according to claim 3, characterized in that: The inner side of the annular housing (1) is provided with limiting grooves at equal intervals in an annular manner, the limiting grooves are T-shaped limiting grooves, the inner side of the limiting grooves is provided with stator core plates (7) clamped and mounted thereon, grooves are provided between the stator core plates (7) at equal intervals, and an iron core coil limiting plate (8) is fixedly connected to the inner end surface of the stator core plate (7).

6. A stator core fixing limiting mechanism according to claim 5, characterized in that: T-shaped grooves are provided inside the limiting grooves around the outer sides of the annular housing (1), the annular bottom plate (3) and the annular cover plate (4), and an I-shaped fixing block (6) is sleeved and installed inside the T-shaped groove. A limiting block (9) is annularly installed between the annular housings (1).

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