CN200986043Y - Air duct back valve - Google Patents
Air duct back valve Download PDFInfo
- Publication number
- CN200986043Y CN200986043Y CN 200620165156 CN200620165156U CN200986043Y CN 200986043 Y CN200986043 Y CN 200986043Y CN 200620165156 CN200620165156 CN 200620165156 CN 200620165156 U CN200620165156 U CN 200620165156U CN 200986043 Y CN200986043 Y CN 200986043Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- utility
- seat
- model
- 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 provides an air course inverted valve, comprising body of the valve, a valve seat, a valve plate. An included angle exists between the valve seat and the vertical flat board, and the valve board is arranged in the body of the valve by being articulated. A rubber obturating ring is placed on the valve seat, and the angle ranging from 15 to 20 degrees exists between the valve seat and the vertical flat board. The utility model is simple in structure, low price in the production cost, and effective in the seal.
Description
Affiliated technical field
The utility model relates to a kind of valve, especially the air channel check valve.
Background technique
Use the valve plate of the check valve that in the air channel, uses to adopt louvered at present,, can not realize reliable sealing because there is the gap in structural reason between valve plate and the valve plate.
Summary of the invention
Seal insecure deficiency in order to overcome existing air channel check valve, the utility model provides a kind of air channel check valve.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of air channel check valve, comprise valve body, valve seat, valve plate, and an angle is arranged between valve seat and the vertical plane, valve plate is installed in the valve body by hinge, also has a rubber seal on valve seat.Angle between valve seat and the vertical plane is 15 to 20 degree.
The beneficial effects of the utility model are that product structure is simple, and cost is low, good sealing effect.
Description of drawings
Fig. 1 is embodiment's a sectional structural map
Among the figure: 1. valve body; 2. hinge; 3. valve seat; 4. rubber seal; 5. valve plate.
Embodiment
As shown in Figure 1, a kind of air channel check valve comprises valve body 1, valve seat 3, valve plate 5, and an angle is arranged between valve seat 3 and the vertical plane, and valve plate 5 is installed in the valve body 1 by hinge 2, also has a rubber seal 4 on valve seat 3.Angle between valve seat 3 and the vertical plane is 15 to 20 degree.
Claims (2)
1, a kind of air channel check valve comprises valve body, valve seat, valve plate, and it is characterized in that: an angle is arranged between described valve seat and the vertical plane, and described valve plate is installed in the valve body by hinge, also has a rubber seal on described valve seat.
2, air channel according to claim 1 check valve is characterized in that: the angle between described valve seat and the vertical plane is 15 to 20 degree.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620165156 CN200986043Y (en) | 2006-12-07 | 2006-12-07 | Air duct back valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620165156 CN200986043Y (en) | 2006-12-07 | 2006-12-07 | Air duct back valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN200986043Y true CN200986043Y (en) | 2007-12-05 |
Family
ID=38915499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620165156 Expired - Fee Related CN200986043Y (en) | 2006-12-07 | 2006-12-07 | Air duct back valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN200986043Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102748507A (en) * | 2012-07-19 | 2012-10-24 | 格朗富(苏州)集团有限公司 | Check valve |
CN103335472A (en) * | 2013-07-15 | 2013-10-02 | 合肥华凌股份有限公司 | Refrigerator and return airway thereof |
CN104235439A (en) * | 2013-06-13 | 2014-12-24 | 上海熊猫机械(集团)有限公司 | Anti-backflow valve |
CN104235437A (en) * | 2013-06-13 | 2014-12-24 | 上海熊猫机械(集团)有限公司 | One-way device |
-
2006
- 2006-12-07 CN CN 200620165156 patent/CN200986043Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102748507A (en) * | 2012-07-19 | 2012-10-24 | 格朗富(苏州)集团有限公司 | Check valve |
CN104235439A (en) * | 2013-06-13 | 2014-12-24 | 上海熊猫机械(集团)有限公司 | Anti-backflow valve |
CN104235437A (en) * | 2013-06-13 | 2014-12-24 | 上海熊猫机械(集团)有限公司 | One-way device |
CN103335472A (en) * | 2013-07-15 | 2013-10-02 | 合肥华凌股份有限公司 | Refrigerator and return airway thereof |
CN103335472B (en) * | 2013-07-15 | 2016-07-06 | 合肥华凌股份有限公司 | Refrigerator and air-return duct thereof |
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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 |