CN206545716U - A kind of fire-preventing check valve - Google Patents
A kind of fire-preventing check valve Download PDFInfo
- Publication number
- CN206545716U CN206545716U CN201720241175.0U CN201720241175U CN206545716U CN 206545716 U CN206545716 U CN 206545716U CN 201720241175 U CN201720241175 U CN 201720241175U CN 206545716 U CN206545716 U CN 206545716U
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- CN
- China
- Prior art keywords
- valve
- valve block
- fire
- preventing check
- check valve
- 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.)
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Abstract
The utility model is related to a kind of fire-preventing check valve, solve valve block hinder below fire-preventing check valve be vented flue gas and flow up problem.A kind of fire-preventing check valve, wind scooper, valve block and the connecting rod being connected including valve body, with the valve body, the valve body is provided with exhaust outlet, the valve block lid is located on the exhaust outlet, the valve block is connected with the valve body by the connecting rod, the wind scooper includes limiting plate corresponding with the valve block, and the fire-preventing check valve also includes the position-limit mechanism for being used to limit minimum separation distances between the valve block and the limiting plate, and the position-limit mechanism is connected with the valve block and/or the wind scooper.
Description
Technical field
The utility model is related to a kind of fire-preventing check valve.
Background technology
Fire-preventing check valve includes valve body, valve block and the connecting rod for connecting valve block and valve body, and valve body is provided with exhaust outlet, valve
Piece lid is located on exhaust outlet, and connecting rod is rotated relative to valve body, to realize that exhaust outlet is opened or closed to valve block.Existing residential building leads to
Exhaust duct is often installed, fire-preventing check valve is arranged on the premises of different floors, when fire-preventing check valve works, valve block opens row
Gas port is simultaneously moved to exhaust duct direction, in smoke movement to the exhaust duct to realize premises.However, working as to live positioned at different floors
Fire-preventing check valve in residence works simultaneously when, it will hinder to be disposed below fire-preventing check valve positioned at high-rise valve block to discharge cigarette
The speed that gas is flowed up.
Utility model content
Problem to be solved in the utility model is just to provide a kind of fire-preventing check valve, to adjust the aperture of valve block.
To solve the above problems, the utility model provides following technical scheme：
On a kind of fire-preventing check valve, including valve body, the wind scooper being connected with the valve body, valve block and connecting rod, the valve body
Provided with exhaust outlet, the valve block lid is located on the exhaust outlet, and the valve block is connected with the valve body by the connecting rod, described
Wind scooper includes limiting plate corresponding with the valve block, and the fire-preventing check valve also includes being used to limit the valve block and the limit
The position-limit mechanism of minimum separation distances between the plate of position, the position-limit mechanism is connected with the valve block and/or the wind scooper.
Further, the position-limit mechanism includes the adjusting rod being arranged on the valve block, the adjusting rod and the limit
Position plate correspondence.
Further, the position-limit mechanism also includes connector, and the adjusting rod passes through the connector and the valve block
Connection.
Further, the adjusting rod is screw, and the connector is provided with the screwed hole with the screw fit；Or
It is that the adjusting rod is stud, the connector is provided with the screwed hole coordinated with the stud；Either, the adjusting rod
For bolt, the connector is provided with the screwed hole coordinated with the bolt.
Further, the connector is negative and positive stud, and the negative and positive stud includes the internal thread segment being sequentially connected and outer
Thread segment, the screwed hole is arranged in internal thread segment, and the external thread section is connected with the valve block.
Further, the valve block includes valve block body and the connecting plate being connected with the link rotatable, the external screw thread
Section is fixedly connected through the valve block body and with the connecting plate.
Further, the position-limit mechanism includes being arranged on adjusting rod on the limiting plate, the adjusting rod with it is described
Valve block correspondence.
The beneficial effects of the utility model：
The minimum separation distances that fire-preventing check valve of the present utility model includes being used to limit between valve block and limiting plate are spacing
The adjustment structure of different size is arranged on valve block and/or wind scooper by mechanism, user, with realize regulation valve block and limiting plate it
Between minimum separation distances.When the minimum separation distances between valve block and limiting plate change, the aperture of valve block can also be sent out
Raw corresponding change, it means that the area of valve block projection in the horizontal plane will change.It is so designed that, by changing
Become the area of valve block projection in the horizontal plane, to realize that control is located at the speed that flue gas is moved upwards in exhaust duct below the valve block
Degree.
Brief description of the drawings
Fig. 1 is the top view of fire-preventing check valve in the utility model embodiment one；
Fig. 2 is the sectional view at A-A in Fig. 1；
Fig. 3 is the stereogram of negative and positive stud in the utility model embodiment one.
Embodiment
The technical scheme of the utility model embodiment is explained with reference to the accompanying drawing of the utility model embodiment and
Illustrate, but following embodiments are only preferred embodiment of the present utility model, and it is not all.Based on the embodiment in embodiment,
Those skilled in the art obtain other embodiment on the premise of creative work is not made, and belong to of the present utility model
Protection domain.
Embodiment one
Referring to Figures 1 and 2, a kind of fire-preventing check valve, including valve body, the wind scooper 5 being connected with valve body, valve block 3 and connecting rod
4, valve body is provided with exhaust outlet 211, and the lid of valve block 3 is located on exhaust outlet 211, and valve block 3 is connected with valve body by connecting rod 4, wind scooper 5
Including limiting plate 51 corresponding with valve block 3.
Referring to Figures 1 and 2, the fire-preventing check valve of the present embodiment also includes the first fixture block 6, and the valve body includes decoration panel
1 and valve element 2, decoration panel 1 is provided with mounting hole, and mounting hole is provided with step, and valve element 2 is provided with the second fixture block 22, when valve element 2
When inserting mounting hole, the second fixture block 22 is fixed in the cavity that the first fixture block 6 is surrounded with step, to realize that valve body 1 connects with valve element 2
It is integrated.In other embodiment of the present utility model, decoration panel is integrally formed with valve element.
It should be noted that：The wind scooper 5 of the present embodiment also includes the first side plate 52 and the second side plate 53, limiting plate 51
Side is connected with the side of valve body 1 by the first side plate 52, and the opposite side of limiting plate 51 passes through the second side with the opposite side of valve body 1
Plate 53 is connected.
Reference picture 2, difference from prior art is：The fire-preventing check valve of the present embodiment also includes being used to limit valve block
The position-limit mechanism of minimum separation distances between 3 and limiting plate 5, position-limit mechanism is connected with valve block 3.
Reference picture 2, the position-limit mechanism of the present embodiment includes the adjusting rod 20 being arranged on valve block 3, adjusting rod 20 with it is spacing
The correspondence of plate 51.In connecting rod 4 after the rotation of valve element 2, valve block 3 is offseted by adjusting rod 20 with limiting plate 51, when valve block 3 is by adjusting
When pole 20 and limiting plate 51 offset, the spacing distance between valve block 3 and limiting plate 51 be between valve block 3 and limiting plate 51 most
Closely-spaced distance.
Reference picture 2, the position-limit mechanism of the present embodiment also includes connector 30, and adjusting rod 20 passes through connector 30 and valve block 3
Connection.It is so designed that, reduces valve block 3 and the abrasion of position-limit mechanism junction, realizes the service life of increase valve block.In this reality
With in new other embodiment, adjusting rod is fixedly connected with valve block.
Reference picture 2 and Fig. 3, the adjusting rod 20 of the present embodiment is screw, and connector 30 is provided with the screw thread with screw fit
Hole 3011；Either, the adjusting rod 20 of the present embodiment is stud, and connector 30 is provided with the screwed hole 3011 coordinated with stud；
Either, the adjusting rod 20 of the present embodiment is bolt, and connector 30 is provided with the screwed hole 3011 coordinated with bolt.So set
Meter, the convenient disassembly of adjusting rod 20.
Reference picture 2 and Fig. 3, the connector 30 of the present embodiment is negative and positive stud, and negative and positive stud includes the interior spiral shell being sequentially connected
Line section 301 and external thread section 302, screwed hole 3011 are arranged in internal thread segment 301, and external thread section 302 is connected with valve block 3.
Figure it is seen that the valve block 3 of the present embodiment includes valve block body 31 and rotates the connecting plate being connected with connecting rod 4
32, external thread section 302 is fixedly connected through valve block body 31 and with connecting plate 32.It is so designed that, reduces on fire-preventing check valve
Number of parts.
Reference picture 2, one end of connecting rod 4 of the present embodiment is rotated with valve element 2 by first rotating shaft 40 to be connected, the other end of connecting rod 4
Rotated and be connected by the second rotating shaft 50 with connecting plate 32.
Embodiment two
A kind of fire-preventing check valve, including valve body, the wind scooper being connected with valve body, valve block and connecting rod, valve body is provided with exhaust
Mouthful, valve block lid is located on exhaust outlet, and valve block is connected with valve body by connecting rod, and wind scooper includes limiting plate corresponding with valve block.
The fire-preventing check valve of the present embodiment also includes being used to limit the spacing of minimum separation distances between valve block and limiting plate
Mechanism, is with the difference of embodiment one：The position-limit mechanism includes the adjusting rod being arranged on limiting plate, adjusting rod and valve
Piece correspondence.
In the present embodiment, adjusting rod is snapped connection with limiting plate.
Embodiment three
A kind of fire-preventing check valve, including valve body, the wind scooper being connected with valve body, valve block and connecting rod, valve body is provided with exhaust
Mouthful, valve block lid is located on exhaust outlet, and valve block is connected with valve body by connecting rod, and wind scooper includes limiting plate corresponding with valve block.
The fire-preventing check valve of the present embodiment also includes being used to limit the spacing of minimum separation distances between valve block and limiting plate
Mechanism, is with the difference of embodiment one：The position-limit mechanism includes adjusting rod and silencing block, and adjusting rod passes through weldering with valve block
It is integrated in succession, silencing block is connected as a single entity with limiting plate by rivet, valve block is offseted by adjusting rod with silencing block, when valve block is logical
When toning pole offsets with silencing block, the spacing distance between valve block and limiting plate is the minimum interval between valve block and limiting plate
Distance.
In the present embodiment, the silencing block is one of plastics and rubber.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, those skilled in the art should be understood that the utility model includes but is not limited to accompanying drawing and above embodiment
Described in content.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
In scope.
Claims (7)
1. set on a kind of fire-preventing check valve, including valve body, the wind scooper being connected with the valve body, valve block and connecting rod, the valve body
There is exhaust outlet, the valve block lid is located on the exhaust outlet, and the valve block is connected with the valve body by the connecting rod, described to lead
Fan housing includes limiting plate corresponding with the valve block, it is characterised in that the fire-preventing check valve also includes being used to limit the valve
The position-limit mechanism of minimum separation distances between piece and the limiting plate, the position-limit mechanism and the valve block and/or the wind-guiding
Cover connection.
2. fire-preventing check valve as claimed in claim 1, it is characterised in that the position-limit mechanism includes being arranged on the valve block
Adjusting rod, the adjusting rod is corresponding with the limiting plate.
3. fire-preventing check valve as claimed in claim 2, it is characterised in that the position-limit mechanism also includes connector, the regulation
Bar is connected by the connector with the valve block.
4. fire-preventing check valve as claimed in claim 3, it is characterised in that the adjusting rod is screw, the connector is provided with
With the screwed hole of the screw fit；Either, the adjusting rod is stud, and the connector is provided with to be coordinated with the stud
Screwed hole；Either, the adjusting rod is bolt, and the connector is provided with the screwed hole coordinated with the bolt.
5. fire-preventing check valve as claimed in claim 4, it is characterised in that the connector is negative and positive stud, the negative and positive stud
Including the internal thread segment being sequentially connected and external thread section, the screwed hole is arranged in internal thread segment, the external thread section and institute
State valve block connection.
6. fire-preventing check valve as claimed in claim 5, it is characterised in that the valve block includes valve block body and turned with the connecting rod
The connecting plate of dynamic connection, the external thread section is fixedly connected through the valve block body and with the connecting plate.
7. fire-preventing check valve as claimed in claim 1, it is characterised in that the position-limit mechanism includes being arranged on the limiting plate
Adjusting rod, the adjusting rod is corresponding with the valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241175.0U CN206545716U (en) | 2017-03-13 | 2017-03-13 | A kind of fire-preventing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241175.0U CN206545716U (en) | 2017-03-13 | 2017-03-13 | A kind of fire-preventing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206545716U true CN206545716U (en) | 2017-10-10 |
Family
ID=59995776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720241175.0U Active CN206545716U (en) | 2017-03-13 | 2017-03-13 | A kind of fire-preventing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206545716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454594A (en) * | 2018-05-07 | 2019-11-15 | 宁波方太厨具有限公司 | A kind of fire-proof valve for flue |
-
2017
- 2017-03-13 CN CN201720241175.0U patent/CN206545716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454594A (en) * | 2018-05-07 | 2019-11-15 | 宁波方太厨具有限公司 | A kind of fire-proof valve for flue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Denomination of utility model: Fire-proof check valve Granted publication date: 20171010 License type: Exclusive License Record date: 20200727 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Date of cancellation: 20201113 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co., Ltd Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000595 Denomination of utility model: A fire check valve Granted publication date: 20171010 License type: Exclusive License Record date: 20201113 |