CN208723638U - Intelligent AC is brushless angle grinder stator module - Google Patents

Abstract

The utility model proposes the brushless angle grinder stator modules of intelligent AC, stating stator core including stator core and bobbin winder bracket component includes the ring body as made from silicon steel stamping sheets, ring body is interconnected to form by four arc linkage sections, it is smoothly connected in section by being smoothly connected section in being connected smoothly between arc linkage section two-by-two and is provided with locating slot；The thickness for being smoothly connected section is less than the thickness of arc linkage section, the application is interconnected to form ring body by four arc linkage sections, and two-by-two between arc linkage section by being smoothly connected section in the material for reducing stator core production that is connected smoothly, the raised rate of temperature can be reduced simultaneously, bobbin winder bracket component plays the role of insulation.

Description

Intelligent AC is brushless angle grinder stator module

Technical field

The utility model belongs to electric tool manufacturing field, particularly relates to the brushless angle grinder stator module of intelligent AC.

Background technique

Brushless single phase motor only has the small machine of small-power, the slow-speed of revolution on existing market, can be only applied to the production such as phonograph It on product, and can not be applied to Power Tools Industries, and the raised rate of temperature is too fast, cause heat dissipation effect bad, cause motor Damage.

Utility model content

The utility model proposes the brushless angle grinder stator module of intelligent AC is to provide, solve above-mentioned in the prior art Defect existing for angle grinder stator module.

The technical solution of the utility model is achieved in that

Intelligent AC is brushless angle grinder stator module, including stator core and bobbin winder bracket component, the stator core packet The ring body as made from silicon steel stamping sheets is included, ring body is interconnected to form by four arc linkage sections, and arc connects two-by-two It connects between section by being smoothly connected section in being connected smoothly, is smoothly connected in section and is provided with locating slot；It is smoothly connected the thickness of section Degree is less than the thickness of arc linkage section；

This structure can reduce the material of stator core production, while can reduce the raised rate of temperature；

It being smoothly connected on section inner wall to center of circle direction and extends there are four tooth, the extension side of each tooth is equipped with circular arc pole shoe, Each circular arc pole shoe of each tooth is mutually not connected to but each circular arc pole shoe of each tooth constitutes central ring, and the circular arc pole shoe is ladder Formula, You Yigao boots body and a low boots body are constituted；Circular arc pole shoe and ring body inner wall form the cavity of opening；

The bobbin winder bracket component includes wire reeling rack shell and inserting rack shell, and wire reeling rack shell includes upper bed-plate and is connected to Four the first insulation connectors on upper bed-plate, the inserting rack shell include lower bottom base and be connected on lower bottom base four the Two insulation connectors, first insulation connector and the second insulation connector are plugged in the cavity and tight with cavity inner wall Contiguity touching, so that cavity inner wall forms insulating layer, upper bed-plate and lower bottom base are connected in the upper and lower ends of the stator core respectively On；

The top of two adjacent first insulation connectors is respectively connected with one first extension ear, and the first extension ear is connected in circular arc pole The top of boots, the bottom of two adjacent second insulation connectors are respectively connected with one second extension ear, and second extends ear, and second extends ear It is placed in the lower section of circular arc pole shoe.

Preferably, the bobbin winder bracket component, which is adopted, is made from an insulative material.

Preferably, the outer diameter of the arc linkage section is 50mm, internal diameter 43mm.

The inner circle internal diameter being made of circular arc pole shoe is 25.4mm, and the outer diameter of bobbin winder bracket is 7mm, and the length for being smoothly connected section is 17.1mm。

In conclusion utility model has the advantages that

The intelligent AC of the utility model is brushless angle grinder stator module, the application are mutually interconnected by four arc linkage sections It connects to form ring body, and reduces stator core system in being connected smoothly by being smoothly connected section between arc linkage section two-by-two The material of work, while the raised rate of temperature can be reduced, bobbin winder bracket component plays the role of insulation.

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, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the brushless angle grinder stator module of the utility model intelligent AC；

Fig. 2 is the fractionation structural representation of Fig. 1；

Fig. 3 is the structural schematic diagram of the stator core in Fig. 1.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the brushless angle grinder stator module of intelligent AC, including stator core 33,6 and of bobbin winder bracket component Rotor (not shown), the stator core include ring body 7 as made from silicon steel stamping sheets, and ring body is connected by four arcs It connects section 8 to be interconnected to form, is smoothly connected section by being smoothly connected section 9 in being connected smoothly between arc linkage section two-by-two On be provided with locating slot 10；The thickness for being smoothly connected section is less than the thickness of arc linkage section；This structure can reduce stator core The material of production, while the raised rate of temperature can be reduced；Tooth there are four extending to center of circle direction is smoothly connected on section inner wall 11, the extension side of each tooth is equipped with circular arc pole shoe 12, and each circular arc pole shoe of each tooth is mutually not connected to but each circular arc pole of each tooth Boots constitute central ring, and the circular arc pole shoe is staged, and You Yigao boots body and a low boots body are constituted；Circular arc pole shoe and annular Inner body wall forms the cavity 19 of opening；The bobbin winder bracket component includes wire reeling rack shell 13 and inserting rack shell 14, wire reeling rack Shell includes upper bed-plate 15 and four the first insulation connectors 16 being connected on upper bed-plate, and the inserting rack shell includes bottom Seat 17 and four the second insulation connectors 18 being connected on lower bottom base, first insulation connector and the second insulation connector It is plugged in the cavity 19 and is in close contact with cavity inner wall, so that cavity inner wall forms insulating layer, upper bed-plate and lower bottom base It is connected in the upper and lower ends of the stator core respectively；The top of two adjacent first insulation connectors is respectively connected with one first and prolongs Stretch ear 20, the first extension ear is connected in the top of circular arc pole shoe, and the bottom of two adjacent second insulation connectors is respectively connected with one the Two extend ear, and the second extension ear is placed in the lower section of circular arc pole shoe, and the bobbin winder bracket component, which is adopted, to be made from an insulative material.

The outer diameter of the arc linkage section is 50mm, internal diameter 43mm.The inner circle internal diameter being made of circular arc pole shoe is 25.4mm, the outer diameter of bobbin winder bracket are 7mm, and the length for being smoothly connected section is 17.1mm.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (4)

1. intelligent AC is brushless angle grinder stator module, it is characterised in that: described fixed including stator core and bobbin winder bracket component Sub- iron core includes the ring body as made from silicon steel stamping sheets, and ring body is interconnected to form by four arc linkage sections, and two By being smoothly connected section in being connected smoothly between two arc linkage sections, it is smoothly connected in section and is provided with locating slot；Smoothly connect The thickness for connecing section is less than the thickness of arc linkage section；Tooth there are four extending to center of circle direction, Mei Gechi are smoothly connected on section inner wall Extension side be equipped with circular arc pole shoe, each circular arc pole shoe of each tooth is mutually not connected to but each circular arc pole shoe of each tooth constitutes center Circle, the circular arc pole shoe are staged, and You Yigao boots body and a low boots body are constituted；Circular arc pole shoe is formed with ring body inner wall The cavity of opening；The bobbin winder bracket component includes wire reeling rack shell and inserting rack shell, and wire reeling rack shell includes upper bed-plate and company Four the first insulation connectors being connected on upper bed-plate, the inserting rack shell include lower bottom base and be connected on lower bottom base four A second insulation connector, first insulation connector and the second insulation connector be plugged in the cavity and in cavity Wall is in close contact, so that cavity inner wall forms insulating layer, upper bed-plate and lower bottom base are connected in the upper and lower of the stator core respectively On both ends.

2. the brushless angle grinder stator module of intelligent AC according to claim 1, it is characterised in that: two adjacent first absolutely The top of edge plug connector is respectively connected with one first extension ear, and the first extension ear is connected in the top of circular arc pole shoe, and two adjacent second The bottom of insulation connector is respectively connected with one second extension ear, and second extends ear, and the second extension ear is placed in the lower section of circular arc pole shoe.

3. the brushless angle grinder stator module of intelligent AC according to claim 1, it is characterised in that: the bobbin winder bracket Component, which is adopted, to be made from an insulative material.

4. the brushless angle grinder stator module of intelligent AC according to claim 1, it is characterised in that: the arc connection The outer diameter of section is 50mm, internal diameter 43mm.