CN2475964Y - Scavenger fan - Google Patents
Scavenger fan Download PDFInfo
- Publication number
- CN2475964Y CN2475964Y CN 01235465 CN01235465U CN2475964Y CN 2475964 Y CN2475964 Y CN 2475964Y CN 01235465 CN01235465 CN 01235465 CN 01235465 U CN01235465 U CN 01235465U CN 2475964 Y CN2475964 Y CN 2475964Y
- Authority
- CN
- China
- Prior art keywords
- ventilation fan
- filter screen
- rack
- motor
- shell
- 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, a ventilation fan belongs to air conditioning field, composed of a ventilation fan shell, a motor, a filter screen and a wind wheel. A baffle with a hole is arranged inside the shell. The motor is fixed on the hole of the baffle while the wind wheel is arranged on the motor. An inlet port is provided with a coarse filter screen and an outlet port with a grid structure which is arranged with an active carbon filter screen and a fine screen. With a simple structure and novel design, the utility model overcomes urban air pollution's influence on indoor air. The ventilation fan is totally inhaled with low noise, which is a new health-care ventilation fan combining ventilation fan products with health care.
Description
The utility model ventilation fan belongs to filed of air conditioning, particularly relates to a kind of ventilation fan.
Existing ventilation fan is that indoor air is extracted out, simultaneously that outdoor air suction is indoor, formation is to the convection current displacement of room air, but raising along with people's living standard, need a kind of single ventilation fan to indoor conveying air, it is indoor that outdoor contaminated air is filtered the back suction, keeps the sanitation and hygiene of room air.
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides a kind of and have that outdoor contaminated air can be filtered the back suction indoor, the health ventilation fan of with fresh air in the holding chamber, sanitation and hygiene.
The purpose of this utility model reaches by following measure, it is by the ventilation fan shell, motor, filter screen, fan blade is formed, in the ventilation fan shell, be provided with a dividing plate, the ventilation fan shell is divided into air intake duct and gas off-take, a hole is arranged on dividing plate, fixed electrical machinery on the hole of dividing plate, fan blade is installed on the motor, and air intake duct is provided with coarse strainer, and rack is set on gas off-take, rack is provided with the activated carbon filter screen, fie screen is set on rack, in use, when in the air inlet chamber outside the suction chamber, fan blade rotates the suction that forms outdoor air is sucked from air intake duct, air enters gas off-take by the coarse strainer that is provided with by fan blade on air intake duct, activated carbon filter screen that is provided with on by rack and fie screen filter, and it is indoor that outdoor air is filtered the back suction.
The utility model is provided with rack on the panel enclosure of ventilation fan, rack is provided with the activated carbon filter screen, and fie screen is set on rack, and panel enclosure can be dismantled, convenient fie screen and the replacing activated carbon filter screen of cleaning.
The coarse strainer that is provided with on air intake duct is to adopt the slot mode, and a slot is arranged on air intake duct, and coarse strainer inserts from slot, the convenient cleaning and the replacing coarse strainer.
The utility model fan blade adopts unidirectional, and ventilation fan is full suction-type, does not think outer exhaust, adopts the Chiba fan blade, and noise is low.
The utility model is simple in structure, and modern design has effectively solved the influence of urban air pollution to room air, and the protection people are healthy, is the ventilation fan product and the combining of health care, and is a kind of novel health care ventilation fan.
Accompanying drawing 1 is a structural representation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model is by ventilation fan shell 3, motor 4, coarse strainer 1, fie screen 6, activated carbon filter screen 7, fan blade slightly becomes for 5 groups, in the ventilation fan shell, be provided with a dividing plate 2, one hole is arranged on dividing plate, the ventilation fan shell is divided into air intake duct 9 and gas off-take 8, fixed electrical machinery on the hole of dividing plate, fan blade is installed on the motor, air intake duct is provided with coarse strainer, and rack 10 is set on the panel enclosure on the gas off-take of ventilation fan, and rack is provided with the activated carbon filter screen, behind the activated carbon filter screen, fie screen is set, panel enclosure can be dismantled, and a slot is arranged on air intake duct, and coarse strainer inserts from slot, fan blade adopts unidirectional, and fan blade rotates the suction that forms outdoor air is sucked from air intake duct.
Claims (4)
1, a kind of ventilation fan, it is by ventilation fan shell, motor, filter screen, fan blade is formed, and it is characterized in that being provided with in the ventilation fan shell dividing plate, the ventilation fan shell is divided into air intake duct and gas off-take, one hole is arranged on dividing plate, and fixed electrical machinery on the hole of dividing plate, fan blade are installed on the motor, air intake duct is provided with coarse strainer, rack is set on gas off-take, and rack is provided with the activated carbon filter screen, and fie screen is set on rack.
2, ventilation fan according to claim 1 is characterized in that on the panel enclosure of ventilation fan rack being set, and rack is provided with the activated carbon filter screen, and fie screen is set on rack.
3, ventilation fan according to claim 1 is characterized in that a slot is arranged on air intake duct, coarse strainer inserts from slot.
4, ventilation fan according to claim 1, it is unidirectional to it is characterized in that fan blade adopts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01235465 CN2475964Y (en) | 2001-04-12 | 2001-04-12 | Scavenger fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01235465 CN2475964Y (en) | 2001-04-12 | 2001-04-12 | Scavenger fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2475964Y true CN2475964Y (en) | 2002-02-06 |
Family
ID=33648593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01235465 Expired - Fee Related CN2475964Y (en) | 2001-04-12 | 2001-04-12 | Scavenger fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2475964Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237155A (en) * | 2021-04-17 | 2021-08-10 | 李萌萌 | Central air conditioning fresh air unit convenient to wash |
-
2001
- 2001-04-12 CN CN 01235465 patent/CN2475964Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237155A (en) * | 2021-04-17 | 2021-08-10 | 李萌萌 | Central air conditioning fresh air unit convenient to wash |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |