CN203463732U - Combined check valve capable of preventing smoke back flow - Google Patents
Combined check valve capable of preventing smoke back flow Download PDFInfo
- Publication number
- CN203463732U CN203463732U CN201320490537.1U CN201320490537U CN203463732U CN 203463732 U CN203463732 U CN 203463732U CN 201320490537 U CN201320490537 U CN 201320490537U CN 203463732 U CN203463732 U CN 203463732U
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- CN
- China
- Prior art keywords
- check valve
- valve spool
- antireverse
- base
- air door
- 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 - Lifetime
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Abstract
The utility model relates to a combined check valve which is mounted on a public flue and used for preventing smoke back flow. The combined check valve mainly comprises a cylindrical check valve element. One end of the check valve element is nested into a cylindrical base. Two air door hinge plates made by semicircular metal plates or plastic plates are obliquely disposed in the inner cavity of the check valve. The two air door hinge plates incline from the upper end at an air inlet towards the lower end at an air outlet. The inner side of each air door hinge plate is fixed in the upper clamping groove and the lower clamping groove in the check valve element through a through shaft. The combined check valve is novel in design concept, simple in structure, convenient to mount, good in smoke back flow prevention effect, convenient to clean, low in cost and easy to popularize.
Description
Technical field
The utility model relates to the auxiliary products of exhaustor for kitchen, is specifically related to the backstop on a kind of flue of smoke-backflow-proof non-return wind, belongs to International Classification of Patents F16K technical field.
Background technique
Along with the raising of living standards of the people, range hood is widely used, and people more and more pay attention to domestic environment and indoor air quality.But it is still very general that the family kitchen common flue causing due to a variety of causes falls taste, taint of odour phenomenon, fails effectively to be solved always, had a strong impact on resident's quality of life.Mounted smoke-backflow-proof device in the new residential building of paying, some complex structures are impracticable; What have is poorly sealed, and using effect is poor; The illusory function having, few of practical use.Deficiency in the design of smoke-backflow-proof device has directly affected the air quality of household.
Summary of the invention
The purpose of this utility model is to provide a kind of smoke-backflow-proof on flue, anti-taint of odour, anti-filling wind, smoke-backflow-proof non-return wind facility---combined type smoke back proof check valve smoothly of discharging fume of being arranged on.
The purpose of this utility model is achieved through the following technical solutions:
A combined type smoke back proof check valve, main body is an antireverse valve spool cylindraceous, it is in base cylindraceous equally that antireverse valve spool one end is sleeved on; The inner chamber of antireverse valve spool is equipped with the air door page plate of being made by two semicircle sheet metals or plastic board; Air door page plate is skewed installation, by the upper end that is positioned at air intake place, to the lower end that is positioned at place, air outlet, is tilted; Every block of air door page plate is fixed in two clamp bar slots up and down in antireverse valve spool by an axis of inner side.
In base inner wall upper end, have a longitudinal raised line, there is a keyway matching with raised line antireverse valve spool upper end, and antireverse valve spool and base are located.
Outer rim in air door page plate front is provided with annular seal ring, and there are two silica gel points at the back side of air door page plate in the position near axis.
One end of base cylinder is a square plate, and base is comprised of square plate and cylinder.
Base is connected with antireverse valve spool by cylinder one side, or is connected with antireverse valve spool by square plate one side.
With respect to base, be positioned at the antireverse valve spool the other end, be set with connecting leg, the hollow bushing-like communicating before and after connecting leg is.Connecting leg is reducer pipe, and reducer pipe one end is connected with the airduct of lampblack exhauster, and the other end and antireverse valve spool are faucet type socket.
Combined type smoke back proof check valve of the present utility model, smoke-backflow-proof, anti-taint of odour, anti-filling wind, cooking-fume discharging is smooth and easy.And easy for installation, to be convenient to clean, cost is lower, is easy to promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is valve core structure schematic diagram;
Fig. 3 be in Fig. 2 A to schematic diagram (being air door page plate front schematic view);
Fig. 4 is air door page plate reverse side schematic diagram;
Fig. 5 is the side schematic view (from the right direction of Fig. 1) of base;
In figure:
1. base, 2. antireverse valve spool, 3. connecting leg, 4. raised line, 5. keyway, 6. in the middle of wind-guiding post, 7. air door page plate, 8. axis, 9. draw-in groove, 10. seal ring, 11. silica gel points.
Embodiment
Referring to Fig. 1, Fig. 2, the main body of the utility model combined type smoke back proof check valve is an antireverse valve spool 2 cylindraceous, and it is in base 1 cylindraceous equally that its one end is sleeved on.In base 1 inwall upper end, have a longitudinal raised line 4, there is a keyway 5 matching with raised line 4 antireverse valve spool 2 upper ends, by antireverse valve spool 2 and base 1 location.In conjunction with Fig. 3, the inner chamber of antireverse valve spool 2 is equipped with the air door page plate 7 of being made by two semicircle sheet metals or plastic board again.Air door page plate 7 is skewed installation, by the upper end that is positioned at air intake place, to the lower end that is positioned at place, air outlet, is tilted.Every block of air door page plate 7 is fixed on 9 li of two clamp bar slots up and down in antireverse valve spool 2 by an axis 8 of inner side.Outer rim in air door page plate 7 fronts is provided with annular seal ring 10, and it makes antireverse valve spool 2 keeping sealing when closed condition (prevent waste gas from returning stay), plays the effect that improves tightness.Antireverse valve spool 2 is as the direction of arrow indication in Fig. 2, without sliding without boss.One of the design's object is to improve to greatest extent air quantity, reduces wind and makes an uproar.Referring to Fig. 4, there are two silica gel points 11 at the back side of air door page plate 7 in the position near axis 8, and silica gel point 11 closes on the stud at the interior middle wind-guiding post of antireverse valve spool 26 back sides.
One end of base 1 cylinder is a square plate, and base 1 is comprised of square plate and cylinder.The shape of plate one end, the side of being that Fig. 5 shows.Base 1 can be connected with antireverse valve spool 2 by cylinder one side, also can be connected with antireverse valve spool 2 by square plate one side.Referring to Fig. 1, with respect to base 1, be positioned at antireverse valve spool 2 the other ends again, be set with connecting leg 3, the hollow bushing-like communicating before and after connecting leg 3 is.Connecting leg 3 is generally reducer pipe, and reducer pipe one end is connected with the plurality of specifications airduct of lampblack exhauster, and the other end and antireverse valve spool 2 are faucet type socket.
When lampblack exhauster is started working, the wind-force of lampblack exhauster is opened the air door page plate 7 in antireverse valve spool 2.When air door page plate 7 is opened to maximum angle, in the middle of silica gel point 11 is subject to, the pressure of wind-guiding post 6 back side studs shrinks.When lampblack exhauster quits work, the impact of silica gel point 11 reaction force by compression pushes back air door page plate 7, air door page plate 7 can be under the effect of gravity return, be closed to voluntarily the junction with antireverse valve spool 2, by annular seal ring 10, realize sealing (prevent waste gas from returning stay).
Claims (6)
1. a combined type smoke back proof check valve, main body is an antireverse valve spool cylindraceous (2), it is characterized in that: it is in base cylindraceous (1) equally that antireverse valve spool (2) one end is sleeved on; The inner chamber of antireverse valve spool (2) is equipped with the air door page plate (7) of being made by two semicircle sheet metals or plastic board; Air door page plate (7) is skewed installation, by the upper end that is positioned at air intake place, to the lower end that is positioned at place, air outlet, is tilted; Two clamp bar slots up and down (9) that every block of air door page plate (7) is fixed in antireverse valve spool (2) by the axis (8) of inner side are inner.
2. combined type smoke back proof check valve according to claim 1, it is characterized in that: in base (1) inwall upper end, have a longitudinal raised line (4), there is a keyway (5) matching with raised line (4) antireverse valve spool (2) upper end, by antireverse valve spool (2) and base (1) location.
3. combined type smoke back proof check valve according to claim 1, it is characterized in that: the outer rim positive at air door page plate (7) is provided with annular seal ring (10), there are two silica gel points (11) at the back side of air door page plate (7) in the position near axis (8).
4. combined type smoke back proof check valve according to claim 1, is characterized in that: one end of base (1) cylinder is a square plate, and base (1) is comprised of square plate and cylinder.
5. combined type smoke back proof check valve according to claim 4, is characterized in that: base (1) is connected with antireverse valve spool (2) by cylinder one side, or is connected with antireverse valve spool (2) by square plate one side.
6. combined type smoke back proof check valve according to claim 1 or 5, is characterized in that: with respect to base (1), be positioned at antireverse valve spool (2) the other end, be set with connecting leg (3), the hollow bushing-like communicating before and after connecting leg (3) is; Connecting leg (3) is reducer pipe, and reducer pipe one end is connected with the airduct of lampblack exhauster, and the other end and antireverse valve spool (2) are faucet type socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490537.1U CN203463732U (en) | 2013-08-13 | 2013-08-13 | Combined check valve capable of preventing smoke back flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490537.1U CN203463732U (en) | 2013-08-13 | 2013-08-13 | Combined check valve capable of preventing smoke back flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463732U true CN203463732U (en) | 2014-03-05 |
Family
ID=50176099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490537.1U Expired - Lifetime CN203463732U (en) | 2013-08-13 | 2013-08-13 | Combined check valve capable of preventing smoke back flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089075A (en) * | 2014-08-01 | 2014-10-08 | 杭州西蒙电器设备有限公司 | Electromagnetic check valve of common flue |
-
2013
- 2013-08-13 CN CN201320490537.1U patent/CN203463732U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104089075A (en) * | 2014-08-01 | 2014-10-08 | 杭州西蒙电器设备有限公司 | Electromagnetic check valve of common flue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
|
| CX01 | Expiry of patent term |