CN201541164U

CN201541164U - Motor structure

Info

Publication number: CN201541164U
Application number: CN2009203125836U
Authority: CN
Inventors: 林其访
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-15
Filing date: 2009-10-15
Publication date: 2010-08-04
Anticipated expiration: 2019-10-15

Abstract

The utility model discloses a motor structure comprising a stator, a rotor and a bearing sleeve arranged between the stator and the rotor, wherein two ends of the bearing sleeve are respectively provided with a circular groove for embedding a ball bearing, and the tail end thereof also extends backwards so as to form a supporting platform body for connecting external equipment; the length of the tail end of a rotating shaft of the rotor is not more than that of the tail end of a shell; and while the rear end surface of the supporting platform body extends outward to be level to the shell of the rotor so as to form a rear cover of the motor structure. The motor structure can effectively prevent dust and the damage of an inner structure, guarantee the service life of a motor and has more attractive and elegant appearance.

Description

Electric machine structure

Technical field

The utility model relates to motor technology, relates in particular to a kind of electric machine structure.

Background technology

Generator is a generating generating equipment commonly used, and generator commonly used generally includes stator 10 and rotor 20, and the described rotor 20 that is made of magnet is positioned at described stator 10 inside, and when generating, rotor 20 rotates in stator 10 inside, and then produces electric current.The generator tail end of prior art is open architecture, outside the tail end of stator 10 is directly exposed to, not only influences attractive in appearancely, makes a mess of but also be easy to make dirty, influences useful life.

With reference to figure 1-Fig. 3, in being 2009203024680 patent application, number of patent application disclosed a kind of new type electric generator, this electric generator structure is simple, compactness and cost are lower, compare with traditional generator, has incomparable superiority, yet,, therefore still have the problems referred to above because the tail end of this generator also is an open architecture.

The utility model content

Technical problem to be solved in the utility model is: a kind of electric machine structure is provided, and this electric machine structure can effectively prevent dust and prevent the internal structure damage, and profile is more elegant in appearance.

For solving the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of electric machine structure, include stator, rotor and be arranged on bearing holder (housing, cover) between described stator and the rotor, the two ends of this bearing holder (housing, cover) offer the circular groove that is used for nested ball bearing respectively, and its tail end also extends back a support stage body that is used to connect external equipment, the rotation axis tail end length of described rotor is no more than the rotor case tail end, the rear end face of described support stage body then extends out to concordant place with rotor case, forms the bonnet of this electric machine structure.

Preferably, also be provided with a wire hole, receive external circuit by described wire hole from the electric wire that stator is drawn in edge near described bonnet.

The beneficial effects of the utility model are:

Embodiment of the present utility model is by being provided with a bonnet, thereby effectively realized dustproof and prevent the internal structure damage effect, guaranteed the useful life of motor, and good looking appearance is generous; And by wire hole is set on bonnet, electric wire is concentrated guide to external circuit, thereby guaranteed the reliability that circuit connects from wire hole.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of drawings

Fig. 1 is the three-dimensional structure diagram of the motor of prior art.

Fig. 2 is the cutaway view of the motor of prior art.

Fig. 3 is the vertical view of the motor of prior art.

Fig. 4 is the cutaway view of the embodiment of electric machine structure that provides of the utility model.

Fig. 5 is the vertical view of the embodiment of electric machine structure that provides of the utility model.

Fig. 6 is the end view of the embodiment of electric machine structure that provides of the utility model.

Fig. 7 is the explosive view of the embodiment of electric machine structure that provides of the utility model.

Embodiment

Describe an embodiment of the electric machine structure that the utility model provides in detail below with reference to Fig. 3 Fig. 7.

As shown in the figure, present embodiment mainly include stator 1, rotor 2 and be arranged on stator 1 and rotor 2 between bearing holder (housing, cover) 3, the two ends of this bearing holder (housing, cover) 3 offer the circular groove 31 that is used for nested ball bearing 4 respectively, and its tail end also extends back a support stage body 32 that is used to connect external equipment, and the rotation axis 21 tail end length of described rotor 2 are no more than rotor case 22 tail ends, the rear end face of described support stage body 32 then extends out to and rotor case 22 concordant places, forms the bonnet 5 of this electric machine structure.

During specific implementation, the end face of described support stage body 32 also offers a

location notch

33,31 one-tenth multidiameter shapes of circular groove adjacency of this location notch 33 and described bearing holder (housing, cover) 3 tail ends, and present embodiment also includes a positioning strip 34, offer two location holes 35 that match respectively on 21 of the rotary shaft end of this positioning strip 34 and described rotor 2, described positioning strip 34 is fixed in the described location notch 33 by the pin 36 that passes described location hole 35.

In addition, also be provided with a wire hole 51, receive external circuit by described wire hole 51 from the electric wire 11 that stator 1 is drawn in edge near bonnet 5.Directly receive circuits outside dispersedly from stator with electric wire in the prior art and compare, the setting of wire hole 51 has improved the reliability that circuit connects significantly.

During specific implementation, the edge of bonnet 5 and rotor case 22 tail end adjoiners also are provided with recessed ring-shaped step 52 in described bonnet 5 inner faces; The tail end of described location notch 33 then is provided with protruding ring-shaped step 53 in described bonnet 5 outer faces.

The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.

Claims

1. electric machine structure, include stator, rotor and be arranged on bearing holder (housing, cover) between described stator and the rotor, the two ends of this bearing holder (housing, cover) offer the circular groove that is used for nested ball bearing respectively, and its tail end also extends back a support stage body that is used to connect external equipment, it is characterized in that: the rotation axis tail end length of described rotor is no more than the rotor case tail end, the rear end face of described support stage body then extends out to concordant place with rotor case, forms the bonnet of this electric machine structure.

2. electric machine structure as claimed in claim 1, it is characterized in that, the end face of described support stage body also offers a location notch, this location notch becomes multidiameter shape adjacency with the circular groove of described bearing holder (housing, cover) tail end, and this electric machine structure also includes a positioning strip, offer two location holes that match respectively on the rotation axis end face of this positioning strip and described rotor, described positioning strip by the dowel fixes of passing described location hole in described location notch.

3. electric machine structure as claimed in claim 1 or 2 is characterized in that, also is provided with a wire hole in the edge near described bonnet, receives external circuit from the electric wire that stator is drawn by described wire hole.

4. electric machine structure as claimed in claim 1 or 2 is characterized in that, the edge of described bonnet and rotor case tail end adjoiner are provided with recessed ring-shaped step in described bonnet inner face.

5. electric machine structure as claimed in claim 2 is characterized in that, the tail end of described location notch is provided with protruding ring-shaped step in described bonnet outer face.