CN206878564U

CN206878564U - Stator structure

Info

Publication number: CN206878564U
Application number: CN201720538801.2U
Authority: CN
Inventors: 申猛
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2017-05-16
Filing date: 2017-05-16
Publication date: 2018-01-12
Anticipated expiration: 2027-05-16

Abstract

A kind of stator structure, the beam barrel being arranged at including one on a pedestal, one bearing, one silicon steel sheet group and a rolled-up stock, the beam barrel has an accommodation space so that the bearing is installed with, the bearing one end stretches out to form an extension, the silicon steel sheet group is sheathed on the outside of the beam barrel and the silicon steel sheet group has a upper surface and a lower surface, the rolled-up stock is correspondingly mounted on the beam barrel top and side protrudes out to form one first pressing part and one second pressing part, first pressing part corresponds to pressure and sets the extension, second pressing part corresponds to pressure and sets the upper surface, through the design of this structure of the utility model, concentricity and the assembling position degree of accuracy of silicon steel sheet group and bearing can be substantially improved, and the problem that silicon steel sheet group and bearing can be avoided to be deformed during group is set.

Description

Stator structure

【Technical field】

The invention relates to a kind of stator structure, espespecially one kind can be substantially improved silicon steel sheet group and bearing concentricity and Group sets position accuracy, and silicon steel sheet group and bearing can be avoided to be deformed the stator structure of problem during group is set.

【Background technology】

Press, electronics information product（Such as：Computer etc.）Use it is increasingly widespread and application is more extensive, because demand drives Electronics IT industry technology is quickly grown, and promotes electronics information towards the trend hair for performing arithmetic speed lifting, access capability increase Exhibition, causes the spare part in aforementioned electronic information product to have high temperature to supervene often in working at high speed.

By taking host computer as an example, its internal central processing unit（CPU）Produced heat accounts for major part, in addition, central Processing unit can cause to perform efficiency reduction when heat gradually rises, and when accumulation of heat is higher than its allowable limit, it will compel Computer is set to work as machine, severe patient can more likely cause to damage phenomenon；Also, to solve the problem of electromagenetic wave radiation, generally with cabinet Housing closes the host computer, so that how by CPU and other heating spare parts（Or element）Heat energy it is fast Speed export, turns into an important topic.

And general CPU is solving the radiator of setting above it and radiating that the mode of radiating is taken Fan, some fins have been set up in the side of radiator, with the opposite side of the radiator（Not there is no fin）Surface directly connect Premise central processing unit is touched to make heat energy to conduct to above-mentioned fin end, and by heat loss through radiation with coordinating fan to force to drive Air-flow makes the heat energy dissipate rapidly.

And the radiator fan 1 of known technology has a pedestal 10, a hollow beam barrel 11, the axle are convexly equipped with the pedestal 10 A bearing 12 is provided with cylinder 11, is pressed between the bearing 12 and beam barrel 11 using a copper ring 13 with close-fitting combination to increase it Tight ness rating, and a silicon steel sheet group 14 is provided with outside the beam barrel 11, with radial interference fit side between the silicon steel sheet group 14 and beam barrel 11 Formula is pressed into increase its tight ness rating, and therefore, in operation process, the concentricity of the silicon steel sheet group 14 and bearing 12 is difficult to control, And in assembling process, it is relatively low that the group of the silicon steel sheet group 14 and bearing 12 sets position accuracy, and because using being interference fitted Group set mode and cause silicon steel sheet group 14 and bearing 12 in be also easy to produce deformation during group is set the problems such as.

It is described above, it is known that there is following shortcoming：

1. silicon steel sheet group and bearing concentricity are difficult to control；

It is low that 2. silicon steel sheet group and bearing group set position accuracy；

3. silicon steel sheet group and bearing are also easy to produce deformation during group is set.

Therefore how to solve the above-mentioned problem commonly used and missing, as phase of the inventor of this case with being engaged in the industry Shutout business desires most ardently the direction place person of research improvement.

【The content of the invention】

Therefore, effectively to solve above-mentioned problem, the main purpose of the present invention is that silicon steel can be substantially improved by providing one kind The stator structure of piece group and the concentricity of bearing.

The secondary objective of the present invention, is to provide that silicon steel sheet group is significantly increased in one kind and bearing group sets determining for position accuracy Minor structure.

The secondary objective of the present invention, is to provide one kind and can exempt known silicon steel sheet and utilize interference fit group with beam barrel If the and stator structure being deformed.

The secondary objective of the present invention, it is to provide the stator knot that one kind can avoid bearing from being deformed during group is set Structure.

For the above-mentioned purpose, the present invention provides a kind of stator structure, including a beam barrel, a bearing, a silicon steel sheet group and one Rolled-up stock, the beam barrel are arranged on a pedestal, and there is the beam barrel accommodation space to be installed with the bearing, and the bearing one end is outside Extension forms an extension, and the silicon steel sheet group is set in the outside of the beam barrel, and just silicon steel sheet group has a upper surface and one Lower surface, the rolled-up stock are correspondingly mounted on the top of the beam barrel, and the rolled-up stock side protrudes out to form one first pressing part and one Second pressing part, first pressing part correspond to the extension that pressure sets the bearing, and second pressing part corresponds to pressure and sets the silicon steel The upper surface of piece group.

Through the design of this structure of the invention, by the structure of the rolled-up stock, make first pressing part to correspond to and press The extension of bearing is stated in residence processed, and second pressing part can correspond to the upper surface that silicon steel sheet group is stated in compacting residence, change speech It, the rolled-up stock can suppress simultaneously and the fixed bearing and silicon steel sheet group, consequently, it is possible to can be when motor is operated significantly Increase the concentricity of silicon steel sheet group and bearing, and in assembling process, be significantly increased silicon steel sheet group and bearing group to set position accurate Degree.

In addition, through the structure of the present invention, it can also exempt used radial interference when known silicon steel sheet is combined with beam barrel Fit system and causing easily produces the problem that extruding causes silicon steel sheet and crimp occurs for beam barrel when being assembled, then Person, use to reach located at the extension opening position of the bearing due to rolled-up stock pressure and fix the bearing, i.e. the body of the bearing Axial compressive force can't be directly born, therefore bearing damage rate can be greatly reduced.

【Brief description of the drawings】

Fig. 1 is the three-dimensional cutaway view of known stator structure；

Fig. 2A is the three-dimensional exploded view of the first embodiment of stator structure of the present invention；

Fig. 2 B are the three-dimensional combination figure of the first embodiment of stator structure of the present invention；

Fig. 2 C are the three-dimensional cutaway view of the first embodiment of stator structure of the present invention；

Fig. 2 D are the enlarged drawing of the first embodiment of stator structure of the present invention.

Primary symbols explanation：

Stator structure 2

Pedestal 20

Beam barrel 21

Accommodation space 211

Supporting part 212

Bearing 22

Extension 221

Flange 2211

Silicon steel sheet group 23

Silicon steel sheet 231

Upper surface 2311

Lower surface 2312

Rolled-up stock 24

First pressing part 241

Second pressing part 242

Groove 243

Elastic component 25

Upper side 251

Downside 252

Wearing piece 26.

【Embodiment】

The above-mentioned purpose and its structure of the present invention and characteristic functionally, will give according to the preferred embodiment of institute's accompanying drawings Explanation.

Refer to Fig. 2A, 2B, 2C, 2D, be stator structure of the present invention first embodiment three-dimensional exploded view and three-dimensional group Figure and three-dimensional cutaway view and enlarged drawing are closed, as illustrated, a kind of stator structure 2, including a beam barrel 21, a bearing 22, a silicon steel 231 group 23 of piece and a rolled-up stock 24, the beam barrel 21 is arranged on a pedestal 20 and has an accommodation space 211, and the beam barrel 21 Bottom up extension forms a supporting part 212, and the bearing 22 is located in the accommodation space 211 and is arranged at the supporting part 212 On, and the one end of bearing 22 stretches out formed with an extension 221, is in the shape similar to the convex 〞 fonts of 〝 to make the bearing 22 Shape, the silicon steel sheet group 23 are made up of plural silicon steel sheet 231, and the silicon steel sheet group 23 is sheathed on the outside of the beam barrel 21 and had There are a upper surface 2311 and a lower surface 2312, the side of rolled-up stock 24 protrudes out to form one first pressing part 241 and one second Pressing part 242, and a groove 243 is formed between the pressing part 242 of first pressing part 241 and second, the groove 243 is corresponding to be blocked Located at the top of the beam barrel 21, and the corresponding pressure of first pressing part 241 sets the extension 221 of the bearing 22, second pressure The corresponding pressure in portion 242 processed sets the upper surface 2311 of the silicon steel sheet group 23.

Foregoing structure is located in the accommodation space 211 with more an elastic component 25, and the elastic component 25 has a upside The downside 252 of face 251 and one, first pressing part 241 corresponding pressure is on the upper side 251, and the bearing 22 prolongs Extending portion 221 forms a flange 2211 more up, the flange 2211 with the downside 252 of the elastic component 25 is corresponding contacts, institute State elastic component 25 absorption vibration can use the effect for reaching absorbing when motor produces operating.

In addition, in the present embodiment, the stator structure 2 has more a wearing piece 26, and it is located in the accommodation space 211 Interior, the wearing piece 26 is relatively arranged between the supporting part 212 and bearing 22, and its effect avoids the bearing 22 and the beam barrel 21 Be in contact the caused infringement of friction, with the stator structure 2 there is wearing piece 26 to explain in the present embodiment, but in actual implementation When, it can be adjusted according to the demand of user.

Through the design of this structure of the invention, when the stator structure 2 is assembled, by the knot of the rolled-up stock 24 Structure, the corresponding compacting of first pressing part 241 is made to stay on the upper side 251 of the elastic component 25, the downside of the elastic component 25 The flange 2211 of the bearing 22 is then suppressed in face 252, and the corresponding compacting residence of second pressing part 242 state silicon steel sheet group 23 it Upper surface 2311, in other words, the rolled-up stock 24 can simultaneously suppress and secure the above bearing 22 and silicon steel sheet group 23, in this way, The concentricity of silicon steel sheet group 23 and bearing 22 can be substantially improved when motor is operated, and in assembling process, be significantly increased 22 groups of silicon steel sheet group 23 and bearing set position accuracy.

In addition, through the structure of the present invention, it can also exempt used radial interference when known silicon steel sheet is combined with beam barrel Fit system and causing easily produces the problem that extruding causes silicon steel sheet and crimp occurs for beam barrel when being assembled, then Person, use to reach located at the opening position of extension 221 of the bearing 22 due to the rolled-up stock 24 pressure and fix the bearing 22, i.e. should The body of bearing 22 can't directly bear axial compressive force, therefore the spoilage of bearing 22 can be greatly reduced.

Described above, the present invention has following advantages compared to known：

1. silicon steel sheet group and the concentricity of bearing is substantially improved；

2. silicon steel sheet group is significantly increased and bearing group sets position accuracy；

3. silicon steel sheet is set and caused deformation with beam barrel using interference fit group known to exempting；

4. bearing is avoided to be deformed during group is set.

The present invention is described in detail above, only as described above, only preferable embodiment, When the scope that can not limit implementation of the invention.I.e. all equivalent changes and modifications made according to the present patent application scope etc., all should be still Belong to the patent covering scope of the present invention.

Claims

A kind of 1. stator structure, it is characterised in that including：

One beam barrel, it is arranged on a pedestal, the beam barrel has an accommodation space；

One bearing, it is located in the accommodation space, the bearing one end stretches out to form an extension；

One silicon steel sheet group, the outside of the beam barrel is sheathed on, the silicon steel sheet group has a upper surface and a lower surface；And

One rolled-up stock, the corresponding top for being mounted on the beam barrel, the rolled-up stock side protrudes out to form one first pressing part and one second Pressing part, first pressing part correspond to the extension that pressure sets the bearing, and second pressing part corresponds to pressure and sets the silicon steel sheet group Upper surface.
2. stator structure according to claim 1, it is characterised in that be located in the accommodation space with more an elastic component Interior, the elastic component has a upper side and a downside, and the corresponding pressure of first pressing part is on the upper side, the downside It is relative to be attached on the extension of the bearing.
3. stator structure according to claim 2, it is characterised in that it is convex that the extension of the bearing forms one more up Edge, the flange with the downside of the elastic component is corresponding contacts.
4. stator structure according to claim 1, it is characterised in that shape between first pressing part and the second pressing part Into a groove, the groove is correspondingly arranged in the top of the beam barrel.
5. stator structure according to claim 1, it is characterised in that the silicon steel sheet group is made up of plural silicon steel sheet.
6. stator structure according to claim 1, it is characterised in that the bottom up extension of beam barrel forms a support Portion, the bearing are arranged on the supporting part.
7. stator structure according to claim 6, it is characterised in that be located in the accommodation space with more a wearing piece Interior, the wearing piece is relatively arranged between the supporting part and bearing.
8. stator structure according to claim 1, it is characterised in that the bearing is in convex.