CN203857607U - Clean air replacement machine - Google Patents
Clean air replacement machine Download PDFInfo
- Publication number
- CN203857607U CN203857607U CN201420270665.XU CN201420270665U CN203857607U CN 203857607 U CN203857607 U CN 203857607U CN 201420270665 U CN201420270665 U CN 201420270665U CN 203857607 U CN203857607 U CN 203857607U
- Authority
- CN
- China
- Prior art keywords
- air
- clean air
- air duct
- groove
- clean
- 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
Abstract
The utility model relates to a device for clean air, in particular to a clean air replacement machine comprising a motor, a housing, an air tube and a blade. The outer edge of the blade is provided with an annular ring with a groove, and the inner wall of the air tube is connected to a projection structure embedded into the groove to form a labyrinth type air duct. Compared with the prior art, the clean air replacement machine has the advantages that the labyrinth type air duct is capable of preventing dirty air from reflux, and the clean air replacement efficiency is improved.
Description
Technical field
The utility model relates to a kind of clean air with arranging, particularly a kind of clean air replacing machine.
Background technology
Existing air displacement machine exists gap between fan page and air duct, when needs are during by air displacement, if there is in external force (under such as the effect of wind-force likely) phenomenon that intercommunication between clean air and dirty gas or foul atmosphere reflux.In this case, the effect of air displacement machine reduces, and efficiency obviously declines.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of clean air replacing machine that can prevent that foul atmosphere backflow phenomenon from occurring.
The utility model adopts following technical scheme:
A clean air replacing machine, comprises motor, shell, air duct, and fan page is equipped with the annular ring with groove in the outer rim of fan page, and air duct inwall is connected with the bulge-structure embedding in groove; Projection forms labyrinth type air duct with groove.
Compared with prior art, labyrinth type air duct can effectively stop the backflow phenomenon of foul atmosphere to occur to the utility model; Improve the displacement efficiency of clean air.
Preferred version of the present utility model is:
The air intake of air duct is equipped with screen pack.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail:
A clean air replacing machine, referring to accompanying drawing 1, in figure: screen pack 1, fan page 2, motor 3, shell 4, air duct 5, panel 6, catch net 7, annular ring 8, annular groove 9, bulge-structure 10.
In the present embodiment, the annular ring 8 with annular groove 9 is housed in the outer rim of fan page 2, air duct 5 inwalls are connected with the annular projection structure 10 embedding in groove; Bulge-structure 10 forms labyrinth type air duct with annular groove 9.Bulge-structure 10 is connected with the inwall of air duct 5.
The air intake of air duct 5 is equipped with screen pack 1.
The present embodiment, labyrinth type air duct can effectively stop the backflow phenomenon of foul atmosphere to occur; Improve the displacement efficiency of clean air.
Claims (2)
1. a clean air replacing machine, comprises motor, shell, air duct, and fan page, is characterized in that: the annular ring with groove is housed in the outer rim of fan page, and air duct inwall is connected with the bulge-structure embedding in groove; Projection forms labyrinth type air duct with groove.
2. clean air replacing machine according to claim 1, is characterized in that: the air intake of air duct is equipped with screen pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270665.XU CN203857607U (en) | 2014-05-26 | 2014-05-26 | Clean air replacement machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270665.XU CN203857607U (en) | 2014-05-26 | 2014-05-26 | Clean air replacement machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203857607U true CN203857607U (en) | 2014-10-01 |
Family
ID=51607454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420270665.XU Expired - Fee Related CN203857607U (en) | 2014-05-26 | 2014-05-26 | Clean air replacement machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203857607U (en) |
-
2014
- 2014-05-26 CN CN201420270665.XU patent/CN203857607U/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: 20141001 Termination date: 20150526 |
|
| EXPY | Termination of patent right or utility model |