CN209375260U - Stator core, stator structure, compressor and air-conditioning - Google Patents

Abstract

The utility model provides a kind of stator core, stator structure, compressor and air-conditioning, it is related to Compressor Technology field, the elastic conjunction for solving stator existing in the prior art and compressor housing component easily leads to stator deformability, influences the technical issues of concentricity of rotor.The stator core is in the rounding mesa-shaped of inner hollow, wherein, the outer diameter of the stator core is gradually reduced to the direction of the end far from stator winding lead-out wire and is greater than on the stator core close to the outer diameter of the end of stator winding lead-out wire the internal diameter of compressor housing along the end close to stator winding lead-out wire.The utility model improves the concentricity of stator for reducing stator core inner wall radial deformation.

Description

Stator core, stator structure, compressor and air-conditioning

Technical field

The utility model relates to Compressor Technology field, more particularly, to a kind of stator core, stator structure, compressor with And air-conditioning.

Background technique

Currently, in compressor assembling process, assembly between stator and compressor housing component mainly passes through hot jacket (elastic conjunction) is realized, and stator is generally fixed chip formation, and excircle configuration is typically approximately cylinder.

Applicants have discovered that at least there is following technical problem in the prior art:

As depicted in figs. 1 and 2, stator (including stator core 1 and stator winding 2) is filled with 3 component of compressor housing The degree of interference fit of both timing, stator and compressor housing 3 is difficult to hold: the excessive then diameter of stator bore radial deformation of magnitude of interference compared with Greatly, it often results between rotor that concentricity is bad, influences product quality；If being easy on the contrary, magnitude of interference is too small in operational process In there is stator downslide, adverse effect equally caused to properties of product, therefore design rationally efficient cooperation assembly method, reduced Diameter of stator bore radial deformation improves rotor concentricity, while it is necessary to guarantee that stator does not glide.

Utility model content

The purpose of this utility model is to provide a kind of stator core, stator structure, compressor and air-conditioning, solve existing The concentricity for thering is the elastic conjunction of stator present in technology and compressor housing component to easily lead to stator deformability, influence rotor The technical issues of.Many technical effects that optimal technical scheme in many technical solutions provided by the utility model can be generated Elaboration as detailed below.

To achieve the above object, the utility model provides following technical scheme:

Stator core provided by the utility model, the stator core are in the rounding mesa-shaped of inner hollow, wherein described fixed The outer diameter of sub- iron core gradually subtracts along the end close to stator winding lead-out wire to the direction of the end far from stator winding lead-out wire It is greater than the internal diameter of compressor housing on the small and described stator core close to the outer diameter of the end of stator winding lead-out wire.

Preferably, the outer diameter of the end on the stator core far from stator winding lead-out wire is no more than compressor housing Internal diameter.

Preferably, the diameter in the section perpendicular to stator core axis at the stator core largest outside diameter compares compressor The big 20um of the internal diameter of shell.

Preferably, the end face on the stator core close to stator winding lead-out wire is less than apart from the stator core outer diameter The distance in the section of compressor housing inner radius is at least the stator core along 1/10th of its axis direction height.

A kind of stator structure, including stator core and the stator winding being mounted on the stator core, wherein described fixed Sub- iron core is the stator core.

Preferably, the stator core is provided with the stator winding along the both ends of its axis direction, wherein one end institute It states and is connected with stator winding lead-out wire on stator winding.

A kind of compressor, including the stator structure.

Preferably, the compressor further includes compressor housing, and the stator structure is located in the compression case body, institute Stator core is stated to be cooperatively connected by way of hot jacket with the compressor housing.

Preferably, the compressor housing is the tubular structure of inner hollow.

A kind of air-conditioning, including the compressor.

Stator core provided by the utility model is in the rounding mesa-shaped of inner hollow, and the outer diameter of stator core is along close to stator The direction of the end of winding leading-out wire to the end far from stator winding lead-out wire is gradually reduced and on stator core close to stator The outer diameter of the end of winding leading-out wire is greater than the internal diameter of compressor housing, due to being determined during hot jacket caused by elastic conjunction Sub- inner wall radial deformation occurs mainly in the end on stator core far from stator winding lead-out wire, and this bigger deformation of magnitude of interference It is bigger, therefore stator is made into round table-like, when stator core and compressor housing are installed, stator core is tipped upside down in tooling, pressure Contracting casing body passes through stator core, stator iron provided by the utility model far from the end of stator winding lead-out wire from stator core Core is compared with traditional stator core shape, and the outer diameter of end of the stator core far from stator winding lead-out wire reduces, to subtract Small magnitude of interference between end of the stator core far from stator winding lead-out wire and compressor housing inner wall, so can reduce it is fixed Sub- iron core inner wall radial deformation improves the concentricity between rotor.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the front sectional view of stator structure and compressor housing cooperation in the prior art；

Fig. 2 is the overhead sectional view of stator structure and compressor housing cooperation in the prior art；

Fig. 3 is the cross-sectional view of stator structure provided by the embodiment of the utility model；

Fig. 4 is the front sectional view of stator structure provided by the embodiment of the utility model and compressor housing cooperation.

1- stator core in figure；2- stator winding；3- compressor housing.

Specific embodiment

To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.

Referring to Fig. 3-Fig. 4, the utility model provides a kind of stator core, in the rounding mesa-shaped of inner hollow, wherein fixed The outer diameter of sub- iron core 1 gradually subtracts along the end close to stator winding lead-out wire to the direction of the end far from stator winding lead-out wire It is greater than the internal diameter of compressor housing 3 on small and stator core 1 close to the outer diameter of the end of stator winding lead-out wire.Due in hot jacket In the process, stator inner wall radial deformation caused by elastic conjunction occurs mainly on stator core 1 far from stator winding lead-out wire End, and this bigger deformation of magnitude of interference is bigger, therefore stator is made into round table-like, and stator core 1 and compressor housing 3 are installed When, stator core 1 is tipped upside down in tooling, compressor housing 3 is passed through from stator core 1 far from the end of stator winding lead-out wire Stator core 1, stator core 1 provided by the utility model is compared with traditional 1 shape of stator core, and stator core 1 is far from fixed The outer diameter of the end of sub- winding leading-out wire reduces, to reduce end and pressure of the stator core 1 far from stator winding lead-out wire Magnitude of interference between 3 inner wall of contracting casing body, and then 1 inner wall radial deformation of stator core can be reduced, improve same between rotor Axis degree.

As the utility model embodiment optionally embodiment, the end far from stator winding lead-out wire on stator core 1 The outer diameter in portion is not more than the internal diameter of compressor housing 3, that is to say, that stator core 1 is certainly close to the end of stator winding lead-out wire It is gradually reduced or disappears to the magnitude of interference between end and compressor housing 3 far from stator winding lead-out wire, can reduce in this way The difficulty of entire stator structure and 3 hot jacket assembling process of compressor housing.

As the utility model embodiment optionally embodiment, at 1 largest outside diameter of stator core perpendicular to stator iron The diameter in the section of 1 axis of core is 20um bigger than the internal diameter of compressor housing 3, and the setting of the stator core 1 of rounding mesa-shaped can also be It in compressor operational process, prevents stator from gliding, improves reliability.

As the utility model embodiment optionally embodiment, close to the end of stator winding lead-out wire on stator core 1 Identity distance is at least stator core 1 along its axis side with a distance from the section that 1 outer diameter of stator core is less than 3 inner radius of compressor housing To 1/10th of height, guarantee the reliability assembled between stator core 1 and compressor housing 3.

Embodiment 1:

A kind of stator core is present embodiments provided, in the rounding mesa-shaped of inner hollow, wherein the outer diameter of stator core 1 Edge is gradually reduced close to the end of stator winding lead-out wire to the direction of the end far from stator winding lead-out wire and stator core 1 The outer diameter of the upper end close to stator winding lead-out wire is greater than the internal diameter of compressor housing 3, hanging down at 1 largest outside diameter of stator core Diameter directly in the section of 1 axis of stator core is 20um bigger than the internal diameter of compressor housing 3, on stator core 1 far from stator around The outer diameter of the end of group lead-out wire is not more than the internal diameter of compressor housing 3, herein it should be noted that leaning on stator core 1 The end face of nearly stator winding lead-out wire apart from 1 outer diameter of stator core be less than 3 inner radius of compressor housing section distance at least It is stator core 1 along 1/10th of its axis direction height.

Embodiment 2:

Present embodiments provide a kind of stator structure, including embodiment 1 describe stator core 1 and be mounted on stator core Stator winding 2 on 1.Stator core 1 is provided with stator winding 2 along the both ends of its axis direction, wherein one end stator winding 2 On be connected with stator winding lead-out wire.Therefore having both all technical effects of said stator iron core 1, repeats no more herein.

Embodiment 3:

Present embodiments provide a kind of compressor, including stator structure described in embodiment 2.In addition, compressor also wraps Include compressor housing 3, stator structure is located in compressor housing 3, stator core 1 by way of hot jacket with compressor housing 3 It is cooperatively connected.Wherein, compressor housing 3 is the tubular structure of inner hollow.

Embodiment 4:

Present embodiments provide a kind of air-conditioning, including compressor described in embodiment 3.

More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto, Anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation or replace It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim Subject to protection scope.

Claims (10)

1. a kind of stator core, which is characterized in that the stator core (1) is in the rounding mesa-shaped of inner hollow, wherein

The outer diameter of the stator core (1) is along the end close to stator winding lead-out wire to the end far from stator winding lead-out wire Direction be gradually reduced and on the stator core (1) close to stator winding lead-out wire end outer diameter be greater than compressor housing (3) internal diameter.

2. stator core according to claim 1, which is characterized in that on the stator core (1) far from the stator around The outer diameter of the end of group lead-out wire is not more than the internal diameter of the compressor housing (3).

3. stator core according to claim 1, which is characterized in that vertical at stator core (1) largest outside diameter Diameter in the section of the stator core (1) axis is 20um bigger than the internal diameter of compressor housing (3).

4. stator core according to claim 1, which is characterized in that on the stator core (1) close to the stator around The end face of group lead-out wire is less than the distance in the section of the compressor housing (3) inner radius apart from the stator core (1) outer diameter At least described stator core (1) is along 1/10th of its axis direction height.

5. a kind of stator structure, which is characterized in that including stator core (1) and the stator being mounted on the stator core (1) Winding (2), wherein the stator core (1) is the described in any item stator cores of Claims 1 to 4 (1).

6. stator structure according to claim 5, which is characterized in that the stator core (1) is along the two of its axis direction End is provided with the stator winding (2), is wherein connected with stator winding lead-out wire on stator winding described in one end (2).

7. a kind of compressor, which is characterized in that including the described in any item stator structures of claim 5~6.

8. compressor according to claim 7, which is characterized in that the compressor further includes compressor housing (3), described Stator structure is located in the compressor housing (3), the stator core (1) by way of hot jacket with the compressor housing (3) it is cooperatively connected.

9. compressor according to claim 8, which is characterized in that the compressor housing (3) is the tubular of inner hollow Structure.

10. a kind of air-conditioning, which is characterized in that including the described in any item compressors of claim 7~9.