Motor shell structure

Abstract

The utility model provides a motor housing structure, which comprises insulation paper, a three-phase copper bar assembly, a stator assembly and a housing, the three-phase copper bar assembly is connected with the stator assembly, and when the distance between a winding and the housing is close or the local distance is close, the outer diameter of the winding cannot be reduced, and the housing cannot make avoidance due to other factors, the insulation paper can be used for insulation. The insulation paper is added between the shell and the winding to achieve the purpose of insulation of the part, so that the insulation effect between the winding and the shell is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field, concretely relates to a motor casing structure. BACKGROUND

[0002] At present, the distance between the stator winding and the casing of some motors is close, the casing in most places is through removing material to increase the avoiding space or reduce the outer diameter of the winding to solve the insulation problem between the stator winding and the casing, but sometimes the outer diameter of the winding cannot be reduced, and there is an assembly relationship with other parts on a certain section of the casing, the assembly position cannot be changed, or the wall thickness of the casing in some positions is thin, and the avoiding cannot be made. SUMMARY

[0003] The utility model aims at providing a motor casing structure, solve one or more of the above prior art problems.

[0004] The utility model provides a motor casing structure, including insulating paper, three -phase copper row subassembly, stator subassembly and casing, three -phase copper row subassembly is connected with stator subassembly, and the insulating paper is set up between stator subassembly and casing, and the distance between the insulating paper setting stator subassembly and casing is greater than 2mm, and less than 3mm.

[0005] In some embodiments, the casing is provided with a connecting piece to connect the stator assembly.

[0006] In some embodiments, the stator assembly includes a stator core and a winding, the winding is wound around the stator core, the three-phase copper row assembly is welded to the winding and fixed on the stator core, the insulating paper is installed on the outer side of the winding, and the stator core is connected to the casing through the connecting piece.

[0007] In some embodiments, the connecting piece is a fastening screw.

[0008] In some embodiments, the insulating paper is bonded to the casing.

[0009] In some embodiments, the insulating paper is tied to the winding.

[0010] The motor casing structure has the following advantages:

[0011] When the distance between the winding and the casing is close or the local distance is close, the outer diameter of the winding cannot be reduced and the casing cannot be avoided due to other factors, the insulating paper is added between the casing and the winding to achieve the purpose of insulation in this part, so as to ensure the insulation effect between the winding and the casing. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is an explosion diagram of the motor casing structure in some embodiments of the utility model;

[0013] Figure 2 For Figure 1 Enlarged view of the A-a part in the middle;

[0014] Figure 3 For the motor housing structure of some embodiments of the present application is a structural schematic diagram. DETAILED DESCRIPTION

[0015] For further clarify the purpose, technical scheme and advantages of the present application, the following will be further described in conjunction with the drawings, the drawings of the present application for simple and easy to read structure framework, and can not limit the true purpose of the present application.

[0016] In combination Figures 1 to 3 The content shown, the present embodiment proposes a kind of motor housing structure, including insulating paper 2, three-phase copper bar assembly 3, stator assembly and shell 6, three-phase copper bar assembly 3 is connected with stator assembly, insulating paper 2 is arranged between stator assembly and shell 6, the spacing L between the stator assembly and shell 6 where insulating paper 2 is arranged is 2-3 mm. Stator assembly includes stator core 5 and winding 4, winding 4 is wound in stator core 5, three-phase copper bar assembly 3 is welded on winding 4 and fixed on stator core 5, insulating paper 2 is installed on the outside of winding 4, stator core 5 is connected shell 6 by connecting piece 1, wherein connecting piece 1 can be fastening screw. The above insulating paper 2 can be glued on the shell, also can be tied on winding 4 using binding rope.

[0017] The above unfinished matters can be directly realized using prior art, therefore, not described here. The above described only is the preferred mode of the present application, it should be pointed out, for the ordinary skill in the art person, without departing from the present application creative concept, can also make a number of similar variations and improvements, these also should be regarded as the protection scope of the present application.

Claims

1. An electric machine housing structure, characterized by, The application relates to a three-phase copper bar assembly, a stator assembly and a shell, wherein the three-phase copper bar assembly is connected with the stator assembly, the insulating paper is arranged between the stator assembly and the shell, the distance between the insulating paper and the stator assembly and the shell is greater than 2mm and less than 3mm.

2. The electric machine housing structure of claim 1, wherein The shell is provided with a connecting piece to connect the stator assembly.

3. The motor housing structure according to claim 2, characterized by The stator assembly comprises a stator core and a winding, the winding is wound on the stator core, the three-phase copper bar assembly is welded on the winding and fixed on the stator core, the insulating paper is arranged outside the winding, and the stator core is connected with the shell through the connecting piece.

4. The motor housing structure according to claim 2 or 3, characterized by The connecting piece is a fastening screw.

5. The motor housing structure according to claim 3, characterized by The insulating paper is bonded on the shell.

6. The motor housing structure of claim 3, wherein The insulating paper is bound on the winding.

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