CN204967441U

CN204967441U - Stator fixed structure

Info

Publication number: CN204967441U
Application number: CN201520737200.5U
Authority: CN
Inventors: 孙颂伟; 柳认真; 叶泽森
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2015-09-22
Filing date: 2015-09-22
Publication date: 2016-01-13
Anticipated expiration: 2025-09-22

Abstract

The utility model provides a stator fixed structure, include: a pipe and a fixed subassembly in one. Well pipe has a surface cover and establishes certain subunit. Fixed subassembly cover is established the surface of well pipe has a body, the body has a contact surface and an interlock unit, the interlock unit is faced from the body a well cardiac prominence of body is stretched, just the interlock unit has a free end for the butt the surface of well pipe, the contact surface contacts in an axial stator group is with the restriction the axial displacement of stator group, and then at axial fixity stator group.

Description

Fixed structure of stator

Technical field

The utility model relates to field of motors, and more particularly, the utility model relates to the fixed structure of stator of the motor of various output rotation function.

Background technology

Generally speaking, stator sleeve is located at tube outer surface in, described middle pipe is arranged on the center of a base, be located on a base after making the sheathed middle pipe of described stator, middle pipe is that the cylinder of hollow accommodates at least one bearing, one rotor runs through bearing described in grafting via an axostylus axostyle, described rotor is supported on base and corresponding described stator.The glue that puts a spot between described stator and middle pipe and/or base fixes.

But, utilize some glue to fix and produce considerable problem and shortcoming also: 1. the technical process of a glue quite expends man-hour, causes sizable burden on time cost, also easily produces glue phenomenon of overflowing.2., after a glue is fixed, if wherein certain some (such as stator) fault, damage, then wholely must renew, cause the sizable waste of resource.3. in rotor running, stator can generate heat, some glue under long term high temperature easily variation cause stator to come off risk.

Utility model content

Therefore, for effectively solving above-mentioned problem, one of the utility model object to utilize in the tight fit of fixation kit pipe and axially compresses stator pack, in case the fixed structure of stator that fastening subgroup comes off providing.

Another object of the utility model is providing a kind of structure not using a glue to make stator pack fixing, waits for the time of the solid and roasting glue of glue after saving some glue.

For reaching above-mentioned purpose, the utility model system provides a kind of fixed structure of stator, comprising: manage in one, have an outer surface and be arranged with stator group; One fixation kit, be set in the outer surface of described middle pipe, described fixation kit has a body, described body has an occlusion unit and a contact-making surface, described occlusion unit protrudes out from described body towards a center of described body, and described occlusion unit has the outer surface that a free end is used to abut described middle pipe, described contact-making surface then axially compresses described stator pack one.A kind of fixed structure of stator, comprising: manage in one, have the sheathed stator group of an outer surface; One fixation kit, be set in the outer surface of described middle pipe, described fixation kit has a body, described body has an occlusion unit and a contact-making surface, described occlusion unit protrudes out from described body towards a center of described body, and described occlusion unit has the outer surface that a free end abuts described middle pipe, described contact-making surface axially compresses described stator pack one.Implement one, the free end of described occlusion unit defines pass through aperture to be run through by described middle pipe.

Preferably, described through hole has an internal diameter, and the outer surface of described middle pipe has an external diameter, and the internal diameter of described through hole is less than the external diameter of the outer surface of described middle pipe.

Preferably, described stator pack comprises a magnetic conductive part and an insulating part.

Preferably, the contact-making surface system of the body of described fixation kit contacts described magnetic conductive part.

Preferably, the contact-making surface system of the body of described fixation kit contacts described insulating part.Implement one, the occlusion unit of described fixation kit tilts towards the rightabout of the contact-making surface of described body.

Preferably, described occlusion unit comprises plural tongue and groove portion, and each groove location is between adjacent tongue.

Preferably, described tongue and the groove portion of waiting of described occlusion unit forms erose or zigzag or wavy continuously.

Preferably, described fixation kit is an elasticity circular rings or an elasticity C type ring.

Accompanying drawing explanation

Figure 1A is the decomposing schematic representation of the utility model fixed structure of stator;

Figure 1B is the combination schematic diagram of the utility model fixed structure of stator;

Fig. 1 C is the combination close-up schematic view of the utility model fixed structure of stator;

Fig. 2 A is the front view of the utility model fixation kit;

Fig. 2 B is the vertical view of the utility model fixation kit;

Fig. 2 C is the vertical view of another alternative enforcement of the utility model fixation kit;

Fig. 2 D is the vertical view of another alternative enforcement of the utility model fixation kit;

Fig. 2 E is the vertical view of another alternative enforcement of the utility model fixation kit;

Fig. 3 A is the schematic diagram that in the utility model, pipe is arranged on base;

Fig. 3 B is the schematic diagram of another alternative enforcement of the utility model fixed structure of stator;

Fig. 3 C is the close-up schematic view of Fig. 3 B;

Fig. 4 is the application schematic diagram of the utility model fixed structure of stator.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.

Characteristic on the above-mentioned purpose of the utility model and structure and fuction thereof, will be explained according to the preferred embodiment of institute's accompanying drawings.

The utility model provides a kind of fixed structure of stator, comprising: manage in one, have an outer surface and the sheathed stator group of described outer surface; One fixation kit, be set in the outer surface of described middle pipe, described fixation kit has a body, described body has an occlusion unit and a contact-making surface, described occlusion unit protrudes out from described body towards a center of described body, and described occlusion unit has a free end, described free end abuts the outer surface of described middle pipe, and described contact-making surface axially compresses described stator pack one.

Below will describe the various enforcement of the utility model in detail.

Figure 1A is the decomposing schematic representation of the utility model fixed structure of stator; Figure 1B is the combination schematic diagram of the utility model fixed structure of stator; Fig. 1 C is the combination close-up schematic view of the utility model fixed structure of stator.As shown in the figure, fixed structure of stator comprises pipe 11 and a fixation kit 12 in one.Described middle pipe 11 has an outer surface 111, and described outer surface 111 defines the outer surface 111 that outer diameter D 1, stator 13 is set in described middle pipe 11, and described stator 13 comprises magnetic conductive part 131 and an insulating part 132.Described magnetic conductive part 131 can but be not restricted to plural silicon steel sheet storehouse composition, described insulating part 132 to have on one insulating frame 1321 and once insulating frame 1322, and described insulating part 132 is by coiling group 133 winding.Described magnetic conductive part 131 is folded between insulating frame 1321 and lower insulating frame 1322, and is insulated by described insulating part 132 and described coiling group 133 and isolate.

Described insulating part 132 has a centre bore 1325 and is sheathed on described middle pipe 11, and the aperture of described centre bore 1325 is greater than outer diameter D 1, space 16 of described middle pipe 11 between an inner surface of described centre bore 1325 and the outer surface 111 of described middle pipe 11.Described fixation kit 12 is set in the outer surface 111 of described middle pipe 11, and is positioned at described space 16.

Fig. 2 A is the front view of the utility model fixation kit; Fig. 2 B is the vertical view of the utility model fixation kit; Fig. 2 C is the vertical view of another alternate embodiment of the utility model fixation kit; Fig. 2 D is the vertical view of another alternate embodiment of the utility model fixation kit; Fig. 2 E is the vertical view of another alternate embodiment of the utility model fixation kit.As shown in Fig. 2 A-2E, in the lump with reference to shown in figure 1A-1C, described fixation kit 12 has a body 121, described body 121 has an occlusion unit 122 and a contact-making surface 123 and the outer surface 111 of corresponding described middle pipe 11 and described stator pack 13 respectively, described occlusion unit 122 protrudes out from described body 121 towards a center B of described body 121, described contact-making surface 123 is formed on the upside of a bottom side or of described body 121, is expressed as in this diagram the bottom side that described contact-making surface 123 is formed in body 121.Described fixation kit 12 is made for the material with elasticity and intensity, such as metal.During concrete enforcement, described fixation kit 12 is an elasticity circular rings (as shown in Fig. 2 A, 2B, 2C, 2D), or an elasticity C type ring (as shown in Figure 2 E).

Moreover described occlusion unit 122 has a free end 1221 and defines pass through aperture 124 and run through by described middle pipe 11, and through hole 124 has the internal diameter D2 that is less than described middle pipe 11 outer surface 111 outer diameter D 1.When down inserting in described insulating part 132 space 16 above fixation kit 12 therefrom pipe 11, described through hole 124 is caused to be run through by described middle pipe 11, described occlusion unit 122 is stressed to be expanded outwardly, rightabout namely towards the contact-making surface 123 of described body 121 tilts, to take advantage of a situation the outer surface 111 making described free end 1221 abut described middle pipe 11, the contact-making surface 123 of described body 121 contacts the magnetic conductive part 131 of described stator pack 13 simultaneously, and then axially compresses the stator pack 13 be positioned at below fixation kit 12.

Specifically, because described fixation kit 12 has elasticity and structural strength, and the internal diameter D2 of the through hole 124 of fixation kit 12 is less than the outer diameter D 1 of the outer surface 111 of described middle pipe 11, described occlusion unit 122 is made to expand outwardly rear generation retraction inwardly slightly, described free end 1221 abuts the outer surface 111 of described middle pipe 11 closely, and frictional force is produced between free end 1221 and described outer surface 111, described contact-making surface 123 is obtained and axially compresses the stator pack 13 be positioned at below fixation kit 12.

Aforesaid occlusion unit 122 comprises plural tongue 1222 and groove portion 1223, and each groove portion 1223 is between adjacent tongue 1222, and the described tongue 1222 that waits is formed continuously erose (as shown in Fig. 2 A, 2B) with the described groove portion 1223 that waits.Substitute at another and implement, the described tongue 1222 that waits of described occlusion unit 122 forms zigzag (as Fig. 2 C) or wavy (as Fig. 2 D) or protuberance with the described groove portion 1223 that waits.

Fig. 3 A is the schematic diagram that in the utility model, pipe is arranged on base.Aforementioned middle pipe 11 is the hollow tube of the middle position being arranged on a base 21, holds at least one bearing 22 in middle pipe 11.

In addition, as Fig. 3 B be the utility model fixed structure of stator another substitute the schematic diagram of enforcement.The outer diameter D 1 of described middle pipe 11 is equaled, the outer surface 111 of the described middle pipe 11 of inner surface next-door neighbour of described centre bore 1325a in the aperture that this implements the centre bore 1325a of described insulating part 132.Described fixation kit 12 is set in the outer surface 111 of described middle pipe 11 and is arranged in the top (figure represent be positioned on described upper insulating frame 1321) of described insulating part 132, and the contact-making surface 123 of the body 121 of described fixation kit 12 is contact described insulating part 132 (representing the end face of the described upper insulating frame 1321 of contact in figure), makes described contact-making surface 123 axially compress the stator pack 13 be positioned at below fixation kit 12.

Continuation is the application schematic diagram of the utility model fixed structure of stator with reference to figure 4.Aforesaid base 21 is the central authorities of the side being arranged on a fan frame 31 as shown in the figure, and an impeller 32 runs through the bearing 22 in described middle pipe 11 via a central shaft 33, to be supported in described fan frame 31 by described bearing 22.The inner side of described impeller 32 is provided with the corresponding described stator pack 13 of magnet ring 321, during startup, described stator pack 13 produces Magnetic Induction with described magnet ring 321 and drives described impeller 32 to operate, then described stator pack 13 is caused to shake, now due to the contact-making surface 123 axial restraint stator pack 13 of fixation kit 12, and then prevent described stator pack 13 from coming off.

According to above embodiment, the utility model at least possesses following advantage:

Utilize pipe 11 in the tight fit of fixation kit 12 and axially compress stator pack 13, in case fastening subgroup 13 comes off, reach and do not use a glue that stator pack 13 is fixed, wait for glue solid and time of roasting glue after saving some glue and the facts of excessive glue occurs and the advantage of good heavy industry.

Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.

Claims

1. a fixed structure of stator, comprising:

Manage in one, there is the sheathed stator group of an outer surface;

One fixation kit, be set in the outer surface of described middle pipe, described fixation kit has a body, described body has an occlusion unit and a contact-making surface, described occlusion unit protrudes out from described body towards a center of described body, and described occlusion unit has the outer surface that a free end abuts described middle pipe, described contact-making surface axially compresses described stator pack one.

2. fixed structure of stator as claimed in claim 1, the free end of described occlusion unit defines pass through aperture to be run through by described middle pipe.

3. fixed structure of stator as claimed in claim 2, described through hole has an internal diameter, and the outer surface of described middle pipe has an external diameter, and the internal diameter of described through hole is less than the external diameter of the outer surface of described middle pipe.

4. fixed structure of stator as claimed in claim 1, described stator pack comprises a magnetic conductive part and an insulating part.

5. fixed structure of stator as claimed in claim 4, the contact-making surface system of the body of described fixation kit contacts described magnetic conductive part.

6. fixed structure of stator as claimed in claim 4, the contact-making surface system of the body of described fixation kit contacts described insulating part.

7. fixed structure of stator as claimed in claim 3, the occlusion unit of wherein said fixation kit tilts towards the rightabout of the contact-making surface of described body.

8. fixed structure of stator as claimed in claim 7, wherein said occlusion unit comprises plural tongue and groove portion, and each groove location is between adjacent tongue.

9. fixed structure of stator as claimed in claim 8, described tongue and the groove portion of waiting of wherein said occlusion unit forms erose or zigzag or wavy continuously.

10., as the fixed structure of stator of claim 1 to 9 according to any one of it, wherein said fixation kit is an elasticity circular rings or an elasticity C type ring.