CN203321853U - Micro draught fan - Google Patents
Micro draught fan Download PDFInfo
- Publication number
- CN203321853U CN203321853U CN2013203648356U CN201320364835U CN203321853U CN 203321853 U CN203321853 U CN 203321853U CN 2013203648356 U CN2013203648356 U CN 2013203648356U CN 201320364835 U CN201320364835 U CN 201320364835U CN 203321853 U CN203321853 U CN 203321853U
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- CN
- China
- Prior art keywords
- motor
- volute
- spiral case
- impeller
- micro
- 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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a micro draught fan, and relates to the technical field of draught fans. The micro draught fan is characterized in that an air inlet 5 is formed in the lower side of a volute 1, a rubber sealing ring 3 is arranged on the outer side of the air inlet 5, an impeller 4 is arranged inside the volute 1, a motor 7 is connected with the impeller 4 through a motor shaft 2, an air outlet 6 is formed in one side of the volute 1, the volute 1 adopts an integral structure, and a motor safety housing 8 is arranged outside the motor 7 and mounted on the volute 1. With the adoption of the integral structure, the sealing performance is improved, the wind utilization rate of air is increased, the loss of air volume is reduced, the motor can be protected, the service life is prolonged, and the structure is compact and attractive.
Description
Technical field:
The utility model relates to the blower fan technical field, is specifically related to a kind of mini fan.
Background technique:
Use at present cooling fan and the air purification blower fan at various devices such as instrument, instrument, electrical equipment, its case adopts spliced, reduced the utilization ratio of wind, exhaust outlet adopts multistage connection, can cause exhaust outlet to produce resistance, causes noise large, vibration is large, sealing is low, and motor easily is collided, and working life is short.
The model utility content:
The purpose of this utility model is to provide a kind of mini fan, and it adopts all-in-one-piece structure, has improved sealing, has improved the utilization ratio of wind, has reduced the loss of air quantity, can protect motor, increase the service life, and compact structure, attractive in appearance.
In order to solve the existing problem of background technique, the utility model is to adopt following technological scheme: it comprises spiral case 1, motor shaft 2, rubber seal 3, impeller 4, motor 7, it also comprises motor safety case 8, the downside of spiral case 1 is provided with intake grill 5, the arranged outside of intake grill 5 has rubber seal 3, impeller 4 is arranged on the inside of spiral case 1, motor 7 is connected with impeller 4 by motor shaft 2, one side of spiral case 1 is provided with exhaust outlet 6, described spiral case 1 is integrated type, motor safety case 8 is arranged on the outside of motor 7, and is arranged on spiral case 1.
The utility model can be used at instrument, instrument, electrical equipment etc. to be needed on the various device of ventilation and heat, and spiral case 1 adopts all-in-one-piece, its good airproof performance; power is large, and good heat dissipation effect can replace the fan type radiating device; motor safety case 8 can be protected motor, can increase the handling safety performance again.
The utlity model has following beneficial effect: adopt all-in-one-piece structure, improved sealing, improved the utilization ratio of wind, reduced the loss of air quantity, can protect motor, increase the service life, compact structure, attractive in appearance.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model,
The worm's eye view that Fig. 2 is Fig. 1.
Embodiment:
Referring to Fig. 1-Fig. 2, this embodiment adopts following technological scheme: it comprises spiral case 1, motor shaft 2, rubber seal 3, impeller 4, motor 7, it also comprises motor safety case 8, the downside of spiral case 1 is provided with intake grill 5, the arranged outside of intake grill 5 has rubber seal 3, impeller 4 is arranged on the inside of spiral case 1, motor 7 is connected with impeller 4 by motor shaft 2, one side of spiral case 1 is provided with exhaust outlet 6, described spiral case 1 is integrated type, motor safety case 8 is arranged on the outside of motor 7, and is arranged on spiral case 1.
This embodiment can be used at instrument, instrument, electrical equipment etc. to be needed on the various device of ventilation and heat, and spiral case 1 adopts all-in-one-piece, its good airproof performance; power is large, and good heat dissipation effect can replace the fan type radiating device; motor safety case 8 can be protected motor, can increase the handling safety performance again.
This embodiment has following beneficial effect: adopt all-in-one-piece structure, improved sealing, improved the utilization ratio of wind, reduced the loss of air quantity, can protect motor, increase the service life, compact structure, attractive in appearance.
Claims (1)
1. mini fan, it comprises spiral case (1), motor shaft (2), rubber seal (3), impeller (4), motor (7), it is characterized in that it also comprises motor safety case (8), the downside of spiral case (1) is provided with intake grill (5), the arranged outside of intake grill (5) has rubber seal (3), impeller (4) is arranged on the inside of spiral case (1), motor (7) is connected with impeller (4) by motor shaft (2), one side of spiral case (1) is provided with exhaust outlet (6), described spiral case (1) is integrated type, motor safety case (8) is arranged on the outside of motor (7), and be arranged on spiral case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203648356U CN203321853U (en) | 2013-06-17 | 2013-06-17 | Micro draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203648356U CN203321853U (en) | 2013-06-17 | 2013-06-17 | Micro draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321853U true CN203321853U (en) | 2013-12-04 |
Family
ID=49661209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203648356U Expired - Fee Related CN203321853U (en) | 2013-06-17 | 2013-06-17 | Micro draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321853U (en) |
-
2013
- 2013-06-17 CN CN2013203648356U patent/CN203321853U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20210617 |