CN204327556U - A kind of fan guard of box type electrical machine - Google Patents
A kind of fan guard of box type electrical machine Download PDFInfo
- Publication number
- CN204327556U CN204327556U CN201420718162.4U CN201420718162U CN204327556U CN 204327556 U CN204327556 U CN 204327556U CN 201420718162 U CN201420718162 U CN 201420718162U CN 204327556 U CN204327556 U CN 204327556U
- Authority
- CN
- China
- Prior art keywords
- fan
- fan guard
- net
- guard
- luffer boards
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005662 electromechanics Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of fan guard of box type electrical machine, comprise electric machine stand, cooler, fan, fan guard, fan to be arranged in rotating shaft and to be positioned at fan guard inside, the circular hole that end face outside fan guard passes for fan when having provided with fan, the external diameter of circular hole is greater than the external diameter of the maximum fan of same center height motor, net luffer boards are installed outside fan guard, net luffer boards are provided with suction nozzle towards the side of fan.This novel practical is that a kind of profile is succinctly attractive in appearance, and generalization degree is high, low cost of manufacture, can improve the fan guard air inlet structure of motor manufacturing efficiency.
Description
Technical field
The utility model relates to a kind of fan guard of box type electrical machine.
Background technique
The rotating shaft of absolutely empty cooling box type electrical machine is provided with external fan, and external fan is positioned at fan guard, and when motor runs, fan rotates generation blasting action together with rotating shaft, and through the guiding function of fan guard, cooling air is blowed to cooler.In order to install external fan, circular hole when fan guard has provided with fan towards an end face of non-support, and as the intake grill of fan.For the security level making motor reach certain, avoid the person and equipment injury, the intake grill of fan is provided with net luffer boards.For improving the drafting efficiency of external fan, intake grill has suction nozzle, reduces the Leakage Gas between wind inlet of fan and net luffer boards.The circular hole when structure that current electromechanics trade is general is provided with fan on fan guard is slightly larger than fan external diameter, and suction nozzle and net luffer boards are fastened on fan guard end face successively.Because the external fan of the motor of the high different number of poles in the same center of box type electrical machine is in different size, cause box type electrical machine same center height to need multiple different fan guard, fan guard versatility is not strong.And it is too large that suction nozzle and net luffer boards are fastened on external diameter fan guard end face causing suction nozzle successively, waste material; And be generally nonmetallic material because of suction nozzle, end face flatness is not high, suction nozzle install after the plane that coordinates with fan guard, net luffer boards of suction nozzle have gap, cause fan guard to leak out, and outward appearance is unsightly.
Model utility content
The utility model provides a kind of fan guard of box type electrical machine, highly versatile, can save suction nozzle material.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme: a kind of fan guard of box type electrical machine, comprise electric machine stand, cooler, fan, fan guard, fan to be arranged in rotating shaft and to be positioned at fan guard inside, the circular hole that end face outside fan guard passes for fan when having provided with fan, the external diameter of circular hole is greater than the external diameter of the maximum fan of same center height motor, is provided with net luffer boards, net luffer boards are provided with suction nozzle towards the side of fan outside fan guard.
Net luffer boards are installed outside the circular hole of fan guard.
The external diameter of suction nozzle is less than the external diameter of net luffer boards.
The beneficial effects of the utility model are:
1. fan guard of the present utility model offers the circular hole passed for fan, circular hole according to the fan determination hole size of the maximum outside diameter of same center height motor, and is greater than the external diameter of fan.The outer side surface of circular hole is provided with net luffer boards.Net luffer boards are provided with suction nozzle towards the side of fan.When the external fan external diameter of the high different number of poles motor in same center is different with width, only changes suction nozzle and net luffer boards, need not fan guard be changed, different motors can be met and use, improve the versatility of fan guard, thus improve the manufacturing efficiency of motor.
2. directly net luffer boards are installed outside fan guard of the present utility model, suction nozzle is fixed on inside net luffer boards, but not the general suction nozzle of electromechanics trade and net luffer boards are fastened on the structure on fan guard end face successively, avoid the plane causing fan guard to coordinate with net luffer boards because suction nozzle end face flatness is not high and have gap, avoid fan guard to leak out, improve the ventilating and cooling efficiency of external fan, improve the apparent mass of motor simultaneously.
3. the external diameter of suction nozzle of the present utility model is much smaller than the external diameter of traditional suction nozzle, can save the material of suction nozzle, reduces motor manufacturing cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment: as shown in Figure 1, a kind of fan guard of box type electrical machine, comprise electric machine stand 1, cooler 2, fan 4, fan guard 3, fan 4 is arranged in rotating shaft 6 and to be positioned at fan guard 3 inner, the circular hole that end face outside fan guard 3 passes for fan 4 when having provided with fan 4, the external diameter of circular hole is greater than the external diameter of the maximum fan of same center height motor, is provided with net luffer boards 7, net luffer boards 7 are provided with suction nozzle 5 towards the side of fan 4 outside the circular hole of fan guard 3.The external diameter of suction nozzle 5 is less than the external diameter of net luffer boards 7.
Circular hole when being used for provided with fan passes fan, and as the intake grill of fan.Circular hole according to the fan determination hole size of the maximum outside diameter of same center height motor, and is greater than the external diameter of fan.The outer side surface of circular hole is provided with net luffer boards.Net luffer boards are provided with suction nozzle towards the side of fan.When the external fan external diameter of the high different number of poles motor in same center is different with width, only changes suction nozzle and net luffer boards, need not fan guard be changed, different motors can be met and use.
Claims (3)
1. the fan guard of a box type electrical machine, it is characterized in that: comprise electric machine stand, cooler, fan, fan guard, fan to be arranged in rotating shaft and to be positioned at fan guard inside, the circular hole that end face outside fan guard passes for fan when having provided with fan, the external diameter of circular hole is greater than the external diameter of the maximum fan of same center height motor, net luffer boards are installed outside fan guard, net luffer boards are provided with suction nozzle towards the side of fan.
2. the fan guard of box type electrical machine according to claim 1, is characterized in that: be provided with net luffer boards outside the circular hole of fan guard.
3. the fan guard of box type electrical machine according to claim 1, is characterized in that: the external diameter of suction nozzle is less than the external diameter of net luffer boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718162.4U CN204327556U (en) | 2014-11-26 | 2014-11-26 | A kind of fan guard of box type electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718162.4U CN204327556U (en) | 2014-11-26 | 2014-11-26 | A kind of fan guard of box type electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327556U true CN204327556U (en) | 2015-05-13 |
Family
ID=53163923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420718162.4U Expired - Fee Related CN204327556U (en) | 2014-11-26 | 2014-11-26 | A kind of fan guard of box type electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327556U (en) |
-
2014
- 2014-11-26 CN CN201420718162.4U patent/CN204327556U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |