CN2469227Y - Electric fan for ventilation - Google Patents
Electric fan for ventilation Download PDFInfo
- Publication number
- CN2469227Y CN2469227Y CN 01215476 CN01215476U CN2469227Y CN 2469227 Y CN2469227 Y CN 2469227Y CN 01215476 CN01215476 CN 01215476 CN 01215476 U CN01215476 U CN 01215476U CN 2469227 Y CN2469227 Y CN 2469227Y
- Authority
- CN
- China
- Prior art keywords
- framework
- filter screen
- intake grill
- described ventilation
- slide block
- 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 relates to a vent fan, comprising a shell, a motor arranged in the shell, a wind wheel driven by the motor, and an air inlet and an air outlet arranged on the shell. The device is characterized in that a filter screen device is arranged at the air inlet. Due to the filter screen device arranged at the air inlet of the vent fan, the utility model can prevent insect, dust, and foreign body from getting into the room, which keeps the cleanness of indoor.
Description
The utility model relates to a kind of ventilation fan.
Ventilation fan is generally used for room ventilation and air upgrades, the general unshielded net of the ventilation fan of Xiao Shouing in the market, only at the rear portion of ventilation fan venetian blind is housed, insect, dust and foreign matter can influence people's life in the intake grill inlet chamber of ventilation fan.
The purpose of this utility model is to provide a kind of can discharge indoor muddy air, but can prevent the ventilation fan in outdoor dust, insect and the foreign matter inlet chamber.
The utility model be achieved in that comprise casing, be located in the casing motor and by the fan blade of driven by motor, this casing is provided with intake grill and exhaust outlet; It is characterized in that: the place is provided with filter screen device at intake grill.
Further improvement of the utility model is that filter screen device comprises filter screen and with the housing of its typing; This housing comprises framework and pressure ring, and filter screen is arranged between pressure ring and the framework, is screwed; Also be provided with the locking framework that is fixed in the intake grill place on the framework.Locking framework comprises two positioning blocks and the certain hyte part that is located on the framework; The intake grill place is provided with the annular groove that is interlocked with positioning block and positioning component.Positioning component comprises slide block, spring, be located at the handle on the slide block and be arranged on chute on the framework; Slide block and spring place in the chute, and a side of chute has bar hole, and an end of handle stretches out outside the bar hole.
Have circular groove on the framework, the edge of filter screen places circular groove, and is fixed by screw and pressure ring.The shape of housing is circular or square.
The utility model compared with prior art has following advantage:
Because the filter screen device of fast assembling-disassembling is housed at the intake grill place of ventilation fan, so can stop effectively in insect, dust and the foreign matter inlet chamber, kept indoor cleaning, improved people's quality of life.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the plan view of filter screen device.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the B place amplification view of Fig. 4.
Fig. 6 is the rear view of Fig. 3.
Fig. 7 is the c place amplification view of Fig. 4.
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, 2, it is a kind of ventilation fan, the fan blade 2 that comprises casing, is located at the motor 3 in the casing and drives by motor 3, and this casing is provided with intake grill 1 and exhaust outlet 6; 1 place is provided with filter screen device at intake grill.
Shown in Fig. 3,4,6,7, in the present embodiment, filter screen device comprises filter screen 12 and with the housing 10 of its typing, the shape of housing 10 is circular; This housing 10 comprises framework 5 and pressure ring 11, has circular groove 17 on the framework 5, and the edge of filter screen 12 places circular groove 17, and fixing by screw 16 and pressure ring 11.Also be provided with the locking framework that is fixed in intake grill 1 place on the framework 5, this locking framework comprises two positioning blocks 9 and the certain hyte part that is located on the framework 5; Intake grill 1 place is provided with the annular groove 4 that is interlocked with positioning block 9 and positioning component.As shown in Figure 5, above-mentioned positioning component comprises slide block 7, spring 14, is located at the handle 13 on the slide block 7 and is arranged on chute 15 on the framework 5; Slide block 7 and spring 14 place in the chute 15, and a side of chute 15 has bar hole 8, and an end of handle 13 stretches out outside the bar hole 8; This handle 13 has two kinds of effects, and the one, the function of handle, another is to play a part spacing to slide block 7.
During installation, earlier filter screen 12 is placed the circular groove 17 of framework 5, again pressure ring 11 is placed on it, fixing with screw 16; Then two positioning blocks on the framework 59 are inserted in the grooves 4, press lower handle 13 simultaneously, slide block 7 is placed on corresponding position with groove 4,13 slide blocks 7 of release handle insert fastening in the groove 4 under the effect of spring 14.When needs are changed or clean filter screen 12, by above-mentioned opposite program, take out screw 16 then, unload pressure ring 11 and can take off filter screen 12.
Claims (6)
1, a kind of ventilation fan, comprise casing, be located in the casing motor and by the fan blade of driven by motor, this casing is provided with intake grill and exhaust outlet; It is characterized in that: locate to be provided with filter screen device at intake grill (1).
2, according to claims 1 described ventilation fan, it is characterized in that: filter screen device comprises filter screen (12) and with the housing (10) of its typing; This housing (10) comprises framework (5) and pressure ring (11), and filter screen (12) is arranged between pressure ring (11) and the framework (5), and is fixing with screw (16); Also be provided with on the framework (5) and be fixed in the locking framework that intake grill (1) is located.
3, according to claims 2 described ventilation fans, it is characterized in that: locking framework comprises two positioning blocks (9) and the certain hyte part that is located on the framework (5); Intake grill (1) locates to be provided with the annular groove (4) that is interlocked with positioning block (9) and positioning component.
4, according to claims 2 described ventilation fans, it is characterized in that: positioning component comprises slide block (7), spring (14), be located at the handle (13) on the slide block (7) and be arranged on chute (15) on the framework (5); Slide block (7) and spring (14) place in the chute (15), and a side of chute (15) has bar hole (8), and an end of handle (13) stretches out outside the bar hole (8).
5, according to claims 2 described ventilation fans, it is characterized in that: have circular groove (17) on the framework (5), the edge of filter screen (12) places circular groove (17), and fixing by screw (16) and pressure ring (11).
6, according to claims 2 described ventilation fans, it is characterized in that: the shape of housing (10) is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01215476 CN2469227Y (en) | 2001-02-26 | 2001-02-26 | Electric fan for ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01215476 CN2469227Y (en) | 2001-02-26 | 2001-02-26 | Electric fan for ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2469227Y true CN2469227Y (en) | 2002-01-02 |
Family
ID=33634054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01215476 Expired - Fee Related CN2469227Y (en) | 2001-02-26 | 2001-02-26 | Electric fan for ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2469227Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104517A (en) * | 2012-12-13 | 2013-05-15 | 昆山俊润通风降温设备有限公司 | Negative-pressure fan |
| CN107288914A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Ventilation fan |
-
2001
- 2001-02-26 CN CN 01215476 patent/CN2469227Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104517A (en) * | 2012-12-13 | 2013-05-15 | 昆山俊润通风降温设备有限公司 | Negative-pressure fan |
| CN107288914A (en) * | 2016-03-30 | 2017-10-24 | 建准电机工业股份有限公司 | Ventilation fan |
| CN107288914B (en) * | 2016-03-30 | 2019-10-29 | 建准电机工业股份有限公司 | Ventilation fan |
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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 |