CN206060394U

CN206060394U - Stator

Info

Publication number: CN206060394U
Application number: CN201621113077.0U
Authority: CN
Inventors: 周银霞
Original assignee: Changzhou Lekva Electronics Co Ltd
Current assignee: Changzhou Lekva Electronics Co Ltd
Priority date: 2016-10-10
Filing date: 2016-10-10
Publication date: 2017-03-29
Anticipated expiration: 2026-10-10

Abstract

This utility model provides a kind of stator, including stator core, the stator core includes the yoke of hollow cylindrical and multiple teeth, the tooth includes tooth root and tooth head, the root of the tooth root is fixed on the inwall of the yoke and is uniformly distributed circumferentially, the head of the tooth root is fixedly connected with tooth head, the inwall of the two neighboring tooth and the yoke forms a groove, the insulation system of this stator is two insulation frameworks and multiple interior insulation pipes, two insulation frameworks are located at the axial two ends of stator core, interior insulation pipe is arranged on the operation of stator core, stretch out outside groove at two ends, projection in insulation framework carries out spacing to which, two insulation frameworks are first installed during installation, then by interior insulation pipe insertion groove, the two ends of interior insulation pipe are stuck between the projection in two insulation frameworks simultaneously, integral installation is quick, production efficiency is so as to improving.

Description

Stator

Technical field

This utility model is related to technical field of motors, more particularly to a kind of electronics.

Background technology

Existing stator includes stator core, insulation framework and stator winding, and insulation framework has two, is separately positioned on stator Mandrel has multiple insulation tubes to both sides in one of insulation framework, insulation tube is located in the groove on stator core, from stator core shaft An end face is worn to other end upwards, is then connected with another insulation framework, for axial length determining within 20mm For sub- core, this insulation framework much problems no when mounted, but more than the stator core of 20mm, due to the length of insulation tube Degree is also corresponding to be lengthened, and multiple insulation tubes always occur deflection, is to be difficult para-position when the insulation framework on opposite is fixed, causes to install Difficulty is increased, and reduces production efficiency.

Utility model content

The technical problems to be solved in the utility model is：In order to solve the installation fixation of the insulation framework in existing stator it is Para-position is difficult to, the larger problem of installation difficulty, this utility model provide a kind of stator, by changing insulation system come on solving State problem.

This utility model solves the technical scheme adopted by its technical problem：A kind of stator, including：

Stator core, the stator core include the yoke of hollow cylindrical and multiple teeth, and the tooth includes tooth root and tooth head, institute The root for stating tooth root is fixed on the inwall of the yoke and is uniformly distributed circumferentially, and the head of the tooth root is fixed with tooth head and connected Connect, the inwall of the two neighboring tooth and the yoke forms a groove；

Insulation framework, two insulation frameworks are separately positioned on axially two end faces of the stator core, described exhausted Edge skeleton includes outer diaphysis, multiple interior diaphysis and multiple connection diaphysis, and the outer diaphysis is in annular, the internal diameter of the outer diaphysis Consistent with the internal diameter of yoke, external diameter of the external diameter less than yoke, the quantity of the connection diaphysis are consistent with the quantity of tooth, the connection The root of diaphysis is fixed on the inwall of the outer diaphysis and is corresponded with the tooth root, the head connection of each connection diaphysis One interior diaphysis, the interior diaphysis and tooth head are corresponded, adjacent two connection diaphysis, their connected two The through hole formed by the inwall of interior diaphysis and outer diaphysis is corresponded with the groove；There are two on the outer wall of the interior diaphysis First is raised, raised with multiple second on the inwall of the outer diaphysis；

Interior insulation pipe, arranges an interior insulation pipe, the axial two ends difference of the interior insulation pipe in each described groove Stretch out from the two ends of the groove, the interior insulation pipe with the first side wall being close to the inwall of the outer diaphysis, described first The axial two ends of side wall are spacing in the axial direction by second projection, and the interior insulation pipe is with tight with the outer wall of the interior diaphysis The second sidewall of patch, the first projection on interior diaphysis that the axial two ends of the second sidewall are close to which are limited in the axial direction Position；

Stator winding, the stator winding is on the stator core, insulation framework and interior insulation pipe.

Preferably, the interior diaphysis includes connecting portion and two alar parts, the connecting portion is solid with the head for being connected diaphysis Fixed to connect, two alar parts are fixedly connected on the circumferential both sides of the connecting portion respectively, adjacent two connection diaphysis, it Between two alar parts and the inwall of outer diaphysis form the through hole, there is one on the outer wall of each alar part Described first is raised, and it is raised that the axial two ends of the second sidewall withstand described first.

Preferably, the outer diaphysis includes base ring, inner ring and outer rings, inner ring and outer rings are coaxially fixed on the base ring On, the external diameter of the internal ring is less than the internal diameter of outer shroud, on the inwall of the outer shroud described in each described through hole setting two of correspondence Second is raised, and it is raised that the axial two ends of the first side wall withstand described second.

Preferably, multiple first square grooves are offered on the internal ring, each described through hole it is corresponding two it is second convex There is between rising first square groove, each described first square groove of correspondence offers second square groove on the outer shroud, Space between the internal ring and outer shroud is connected with the first square groove, and the space between the internal ring and outer shroud is connected with the second square groove It is logical.

Preferably, multiple location holes are offered on the axial end of the yoke, it is multiple fixed to be provided with the base ring Position post, the base ring is close to the yoke and the locating dowel is inserted in the location hole.

The beneficial effects of the utility model are that the insulation system of this stator is two insulation frameworks and multiple interior insulations Pipe, two insulation frameworks are located at the axial two ends of stator core, and interior insulation pipe is arranged on the operation of stator core, and two ends are stretched out outside groove, Projection in insulation framework carries out spacing to which, and two insulation frameworks are first installed during installation, then by interior insulation pipe insertion groove, Simultaneously the two ends of interior insulation pipe are stuck between the projection in two insulation frameworks, and integral installation is quick, and production efficiency is so as to improving.

Description of the drawings

With reference to the accompanying drawings and examples this utility model is further illustrated.

Fig. 1 is the structural representation of the optimum embodiment of stator of the present utility model.

Fig. 2 is the structural representation of the insulation framework of the optimum embodiment of stator of the present utility model.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.Conversely, embodiment of the present utility model includes that what is fallen in the range of the spirit and intension of attached claims owns Change, modification and equivalent.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axle To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for It is easy to the description present invention and simplifies description, rather than indicates or imply that the device or element of indication there must be specific side Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or implying relatively important Property.In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " being connected ", " company Connect " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or it is integrally connected；It can be machine Tool connects, or electrically connects；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in this utility model can be understood with concrete condition.Additionally, in this reality With in new description, unless otherwise stated, " multiple " are meant that two or more.

As shown in Figure 1 and 2, this utility model provides a kind of stator, including：

Stator core 1, stator core 1 include the yoke 101 and 12 teeth of hollow cylindrical, and tooth includes tooth root 102 and tooth head The root of 103,12 tooth roots 102 is fixed on the inwall of yoke 101 and is uniformly distributed circumferentially, the head and tooth of tooth root 102 103 are fixedly connected, and the inwall of two neighboring tooth and yoke 101 forms a groove 104；

Insulation framework 2, two insulation frameworks 2 are separately positioned on axially two end faces of stator core 1, and insulation framework 2 is wrapped Include 201,12 interior diaphysis 202 of outer diaphysis and 12 connection diaphysis 203, outer diaphysis 201 be in annular, the internal diameter of outer diaphysis 201 Consistent with the internal diameter of yoke 101, external diameter of the external diameter less than yoke 101, the root for connecting diaphysis 203 are fixed on outer diaphysis 201 Correspond on inwall and with tooth root 102, interior diaphysis 202 is corresponded with tooth head 103, and interior diaphysis 202 includes connecting portion 202a With two alar part 202b, connecting portion 202a is fixedly connected with the head for being connected diaphysis 203, two alar part 202b and connecting portion 202a Circumferential both sides be fixedly connected, adjacent two connections diaphysis 203, two alar part 202b between them and outer diaphysis 201 The through hole 204 that inwall is formed is corresponded with groove 104；There is one first projection 202c, outward on the outer wall of each alar part 202b Diaphysis 201 includes that base ring 201a, internal ring 201b and outer shroud 201c, internal ring 201b and outer shroud 201c are coaxially fixed on base ring 201a On, the internal diameter of the external diameter of internal ring 201b less than outer shroud 201c, on the inwall of outer shroud 201c, each through hole 204 of correspondence arranges two the Two projection 201d；

Interior insulation pipe 3, arranges an interior insulation pipe 3 in each groove 104, the axial two ends of interior insulation pipe 3 are respectively from groove 104 Two ends stretch out, interior insulation pipe 3 is with the first side wall 301 being close to the inwall of outer diaphysis 201, the axial direction of the first side wall 301 The second projection 201d is withstood at two ends, and interior insulation pipe 3 is with the second sidewall 302 being close to the outer wall of interior diaphysis 202, second sidewall Withstand the first projection 202c in 302 axial two ends；

Stator winding（Not shown in figure）, stator winding is on stator core 1, insulation framework 2 and interior insulation pipe 3.

Multiple first square groove 201e are offered on internal ring 201b, 204 corresponding two the second projection 201d of each through hole Between have a first square groove 201e, on outer shroud 201c correspondence each first square groove 201e offer second square groove 201f, the space between internal ring 201b and outer shroud 201c are connected with the first square groove 201e, between internal ring 201b and outer shroud 201c Space is connected with the second square groove 201f, and 8 location hole 101a are offered on the axial end of yoke 101, is arranged on base ring 201a There are 4 locating dowels 201g, base ring 201a is close in yoke 101 and locating dowel 201g insertion location hole 101a.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to the term State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be Combined in one or more any embodiment or example in an appropriate manner.

With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality The content being not limited to new technical scope in description, it is necessary to its technology is determined according to right Property scope.

Claims

1. a kind of stator, it is characterised in that include：

Stator core, the stator core include the yoke of hollow cylindrical and multiple teeth, and the tooth includes tooth root and tooth head, the tooth The root of root is fixed on the inwall of the yoke and is uniformly distributed circumferentially, and the head of the tooth root is fixedly connected with tooth head, The inwall of the two neighboring tooth and the yoke forms a groove；

Insulation framework, two insulation frameworks are separately positioned on axially two end faces of the stator core, the insulation bone Frame includes outer diaphysis, multiple interior diaphysis and multiple connection diaphysis, and the outer diaphysis is in annular, the internal diameter and magnetic of the outer diaphysis The internal diameter of yoke is consistent, and external diameter of the external diameter less than yoke, the quantity of the connection diaphysis are consistent with the quantity of tooth, the connection diaphysis Root be fixed on the inwall of the outer diaphysis and with the tooth root correspond, each connection diaphysis head connect one The interior diaphysis, the interior diaphysis and tooth head are corresponded, adjacent two connection diaphysis, their two internal skeleton being connected The through hole formed by the inwall of body and outer diaphysis is corresponded with the groove；There are two first on the outer wall of the interior diaphysis Projection, it is raised with multiple second on the inwall of the outer diaphysis；

Interior insulation pipe, arranges an interior insulation pipe in each described groove, the axial two ends of the interior insulation pipe are respectively from institute The two ends for stating groove are stretched out, and the interior insulation pipe is with the first side wall being close to the inwall of the outer diaphysis, the first side wall Axial two ends it is spacing in the axial direction by second projection, the interior insulation pipe is with being close to the outer wall of the interior diaphysis Second sidewall, the first projection on interior diaphysis that the axial two ends of the second sidewall are close to which are spacing in the axial direction；

2. stator as claimed in claim 1, it is characterised in that：The interior diaphysis includes connecting portion and two alar parts, the company Socket part is fixedly connected with the head for being connected diaphysis, and two alar parts are fixedly connected on the circumferential both sides of the connecting portion respectively, The inwall of adjacent two the connection diaphysis, two alar parts between them and outer diaphysis forms the through hole, each Described first raised with one on the outer wall of the alar part, it is raised that the axial two ends of the second sidewall withstand described first.

3. stator as claimed in claim 2, it is characterised in that：The outer diaphysis includes base ring, inner ring and outer rings, the internal ring Coaxially it is fixed on the base ring with outer shroud, the external diameter of the internal ring is less than the internal diameter of outer shroud, correspondence on the inwall of the outer shroud Each described through hole arrange two it is described second raised, it is raised that the axial two ends of the first side wall withstand described second.

4. stator as claimed in claim 3, it is characterised in that：Multiple first square grooves are offered on the internal ring, each institute State, each described first party of correspondence on the outer shroud Groove offers second square groove, and the space between the internal ring and outer shroud is connected with the first square groove, the internal ring and outer shroud it Between space connect with the second square groove.

5. stator as claimed in claim 4, it is characterised in that：Multiple location holes are offered on the axial end of the yoke, Multiple locating dowels are provided with the base ring, the base ring is close to the yoke and the locating dowel inserts the location hole In.