CN103746511A - Motor outer fan installation structure - Google Patents
Motor outer fan installation structure Download PDFInfo
- Publication number
- CN103746511A CN103746511A CN201410016313.6A CN201410016313A CN103746511A CN 103746511 A CN103746511 A CN 103746511A CN 201410016313 A CN201410016313 A CN 201410016313A CN 103746511 A CN103746511 A CN 103746511A
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- CN
- China
- Prior art keywords
- motor
- external fan
- outer fan
- installation structure
- fan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a motor outer fan installation structure, which comprises an outer fan which is installed at the end part of a motor rotating shaft. The motor outer fan installation structure is characterized in that threaded holes with the same size are correspondingly formed in the center of the outer fan and the end surface of the motor rotating shaft, and a fixing bolt sequentially penetrates through the threaded holes in the outer fan and the end surface of the rotating shaft to fixedly install the outer fan on the motor rotating shaft. The motor outer fan installation structure has the advantages that not only is the structure simple, but also the production cost is low and the production efficiency is high; in practical application, the time for producing and installing the motor outer fan is shortened by one fourth, the outer fan material and production cost is reduced by one third, the length of the motor shaft can be shortened by one eighth and the production cost of a shaft and fan connecting structure is reduced.
Description
Technical field
The present invention relates to a kind of motor, relate in particular to a kind of installation structure of external fan of motor.
Background technology
At present, domestic electric machine manufacturer, during motor in production with external fan, conventionally adopt structure as depicted in figs. 1 and 2, traditional installation structure of external fan of motor comprises external fan 10, and the center of described external fan 10 is provided with fan cover 11, and described fan cover 11 is installed on machine shaft 12, and by key and keyway, radially fix between the two, by the groove and the collar that are opened on machine shaft 12, carry out axial restraint.This structure makes when fan is larger, and fan cover processing consumptive material very consuming time need be with the larger round steel processing of diameter, and axle and fan put and all need to process keyway, and keyway is higher to requirement on machining accuracy.And then causing processing cost higher, working (machining) efficiency is lower.
Summary of the invention
The object of the present invention is to provide a kind of installation structure of external fan of motor, it has feature simple in structure, that processing cost is low and working (machining) efficiency is high.To solve the problems referred to above that in prior art, installation structure of external fan of motor exists.
For reaching this object, the present invention by the following technical solutions:
A kind of installation structure of external fan of motor, it comprises the external fan that is installed on machine shaft end, wherein, the center of described external fan offers with correspondence on the end face of machine shaft the screwed hole that size is identical, and set bolt is fixedly installed in external fan on machine shaft through the screwed hole on external fan and machine shaft end face successively.
Especially, described external fan is formed by whole steel plate cutting, is welded with several fan blade on it.
Especially, the equal correspondence in both sides of the screwed hole on described external fan and machine shaft end face offers at least one screwed hole, and fixes by set bolt, to transmit larger moment of torsion.
Beneficial effect of the present invention is that compared with prior art described installation structure of external fan of motor is installed by screwed hole and set bolt, not only simple in structure; And processing cost is low, working (machining) efficiency is high.In actual applications, produce and mounted motor external fan time shorten 1/4th, external fan material and processing cost have saved 1/3rd, motor shaft nearly also can shorten 1/8th, and reduces the processing cost of axle and fan connecting structure.
Accompanying drawing explanation
Fig. 1 is the front view of traditional installation structure of external fan of motor;
Fig. 2 is the profile of traditional installation structure of external fan of motor;
Fig. 3 is the front view of the installation structure of external fan of motor that provides of the specific embodiment of the invention 1;
Fig. 4 is the profile of the installation structure of external fan of motor that provides of the specific embodiment of the invention 1.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention.
Refer to shown in Fig. 3 and Fig. 4, Fig. 3 is the front view of the installation structure of external fan of motor that provides of the specific embodiment of the invention 1; Fig. 4 is the profile of the installation structure of external fan of motor that provides of the specific embodiment of the invention 1.
In the present embodiment, a kind of installation structure of external fan of motor comprises the external fan 21 that is installed on machine shaft 20 ends, and described external fan 21 is formed by whole steel plate cutting, is welded with several fan blade 22 on it.On the end face of the center of described external fan 21 and machine shaft 20, correspondence offers the screwed hole 23 that size is identical, and full thread set bolt 24 is fixedly installed in external fan 21 on machine shaft 20 through the screwed hole 23 on external fan 21 and machine shaft 20 end faces successively.
For larger motor, the equal correspondence in both sides of the screwed hole 23 on described external fan 21 and machine shaft 20 end faces offers the screwed hole of a smaller aperture due, and fixes by set bolt, to transmit larger moment of torsion.
Above-mentioned installation structure of external fan of motor is not only simple in structure; And processing cost is low, working (machining) efficiency is high.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention is not limited by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various variations and change, and these variations and change all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. an installation structure of external fan of motor, it comprises the external fan that is installed on machine shaft end, it is characterized in that, the center of described external fan offers with correspondence on the end face of machine shaft the screwed hole that size is identical, and set bolt is fixedly installed in external fan on machine shaft through the screwed hole on external fan and machine shaft end face successively.
2. installation structure of external fan of motor according to claim 1, is characterized in that, described external fan is formed by whole steel plate cutting, is welded with several fan blade on it.
3. according to the installation structure of external fan of motor described in claim 1 or 2 any one, it is characterized in that, the equal correspondence in both sides of the screwed hole on described external fan and machine shaft end face offers at least one screwed hole, and fixes by set bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016313.6A CN103746511A (en) | 2014-01-14 | 2014-01-14 | Motor outer fan installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016313.6A CN103746511A (en) | 2014-01-14 | 2014-01-14 | Motor outer fan installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103746511A true CN103746511A (en) | 2014-04-23 |
Family
ID=50503514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410016313.6A Pending CN103746511A (en) | 2014-01-14 | 2014-01-14 | Motor outer fan installation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103746511A (en) |
-
2014
- 2014-01-14 CN CN201410016313.6A patent/CN103746511A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |