CN213117536U - Flue fire prevention valve - Google Patents
Flue fire prevention valve Download PDFInfo
- Publication number
- CN213117536U CN213117536U CN202020887761.4U CN202020887761U CN213117536U CN 213117536 U CN213117536 U CN 213117536U CN 202020887761 U CN202020887761 U CN 202020887761U CN 213117536 U CN213117536 U CN 213117536U
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- valve
- valve plate
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- filter screen
- guide cylinder
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Abstract
The utility model discloses a flue fire prevention valve, be provided with the draft tube on the valve body mount pad, the left end of the tight connecting rod in top sets up on pivot A, pivot A sets up in the lower part of gag lever post, the upper portion of gag lever post is provided with pivot B, pivot B sets up in closing mechanism's right-hand member, closing mechanism sets up in the right-hand member of first valve plate, first valve plate sets up in the right part of draft tube, the filter screen sets up in the inside of draft tube, the second valve plate sets up in the left part of draft tube, the fix with screw is on the valve body mount pad. The utility model discloses have and improve the filter effect, can adjust the distance between the filter screen through the telescopic link rod structure that sets up, conveniently dismantle the washing, two butt joint valve plates can effectively improve along with the time of using longer its airtight under the normal ventilation condition or open the performance worse more, the shorter problem of life, increase of service life beneficial effect, its mainly used flue fire prevention, fire-retardant use.
Description
Technical Field
The utility model belongs to the technical field of the fire prevention valve, especially, relate to a flue fire prevention valve.
Background
In a kitchen using a longitudinal public flue, in order to prevent oil smoke in the flue from flowing back into the kitchen, a fireproof valve such as a rubber flue check valve is arranged between an air outlet pipe orifice of the range hood and the public flue. The smoke flue fire-proof valve can also be a smoke flue check valve, and is generally used in a smoke exhaust channel of a household range hood, wherein the smoke flue fire-proof valve comprises a range hood check valve, a plastic telescopic smoke pipe and a smoke flue check valve, the fire-proof valve provided with the rubber smoke flue check valve mainly comprises a valve body, a rocker, a valve cover and the like, the smoke channel is provided with an air inlet and an air outlet which are opposite, the air inlet is connected with an air outlet pipe orifice of the range hood, the air outlet extends into a public smoke channel, the air outlet of the smoke channel is provided with a valve plate which can be opened and closed, and the valve plate is rotatably arranged on the inner wall. When the range hood is not used, the valve plate is in a closed position due to the gravity of the valve plate, and the valve plate covers the air outlet part; when the range hood is used, the valve plate is in the opening position, and the valve plate is far away from the air outlet. The filter screen in the existing flue fire damper is difficult to clean and cumbersome to replace, and the sealing or opening performance of the fire damper under the normal ventilation condition is poorer as the using time is longer, so that the service life is shorter.
Therefore, a durable fire damper for flue, which is easy to replace and clean, is proposed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a flue fire prevention valve aims at solving the above-mentioned current flue fire prevention valve's that exists inside filter screen is difficult to wash, changes loaded down with trivial details, and along with the time of using longer its airtight or opening the performance under the normal ventilation condition is worse more, the shorter problem of life moreover.
The utility model discloses a realize like this, a flue fire prevention valve, including valve body mount pad, draft tube, the tight connecting rod in top, pivot A, gag lever post, pivot B, closing mechanism, first valve plate, filter screen, second valve plate and screw, its characterized in that: the novel air-conditioning valve is characterized in that a guide cylinder is arranged on the valve body mounting seat, the left end of the jacking connecting rod is arranged on a rotating shaft A, the rotating shaft A is arranged on the lower portion of a limiting rod, a rotating shaft B is arranged on the upper portion of the limiting rod, the rotating shaft B is arranged on the right end of a closing mechanism, the closing mechanism is arranged on the right end of a first valve plate, the first valve plate is arranged on the right portion of the guide cylinder, the filter screen is arranged inside the guide cylinder, a second valve plate is arranged on the left portion of the guide cylinder, and the screw is fixed on the valve body mounting seat.
Furthermore, mounting holes are formed in four corners of the valve body mounting seat.
Furthermore, a fireproof strip is arranged between the valve body mounting seat and the guide cylinder.
Furthermore, the number of the screws corresponds to the number of the mounting holes of the valve body mounting seat one by one.
Further, the first valve plate is a fixed valve plate, and the left end of the first valve plate is fixed on the guide cylinder.
Furthermore, the second valve plate is arranged as a movable valve plate, and the right end of the second valve plate is arranged on the guide cylinder.
Further, the filter screen adopts the oil gathering filter screen, the quantity that the filter screen set up is 2, just the filter screen passes through the connecting rod and connects.
Further, the connecting rod is arranged to be an adjustable connecting rod.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of flue fire prevention valve is provided with two-layer collection oil filter screen, improves the filter effect, can adjust the distance between the filter screen through the telescopic link rod structure that sets up, conveniently dismantles the washing, and the two butt joint valve boards that set up can effectively improve along with the time of using longer its airtight under the normal ventilation condition or open the performance worse more, the shorter problem of life, increase of service life.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the present invention;
in the figure: the valve comprises a valve body mounting seat 1, a guide cylinder 2, a jacking connecting rod 3, a rotating shaft A4, a limiting rod 5, a rotating shaft B6, a closing mechanism 7, a first valve plate 8, a filter screen 9, a second valve plate 10, screws 11 and a connecting rod 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a flue fire prevention valve, including valve body mount pad 1, draft tube 2, top tight connecting rod 3, pivot A4, gag lever post 5, pivot B6, closing mechanism 7, first valve board 8, filter screen 9, second valve board 10 and screw 11, be provided with draft tube 2 on the valve body mount pad 1, the left end of top tight connecting rod 3 sets up on pivot A4, pivot A4 sets up in the lower part of gag lever post 5, the upper portion of gag lever post 5 is provided with pivot B6, pivot B6 sets up in the right-hand member of closing mechanism 7, closing mechanism 7 sets up in the right-hand member of first valve board 8, first valve board 8 sets up in the right part of draft tube 2, filter screen 9 sets up in the inside of draft tube 2, second valve board 10 sets up in the left part of draft tube 2, screw 11 is fixed in on valve body mount pad 1.
Further, the four corners department of valve body mount pad 1 is provided with the mounting hole for match 11 fixed mounting valve body mount pads 1 of screw, increase the use intensity of fire prevention valve, increase of service life.
Further, a fireproof strip is arranged between the valve body mounting seat 1 and the guide cylinder 2, so that effective flame retardance can be realized.
Further, the number of the screws 11 corresponds to the number of the mounting holes of the valve body mounting seat 1, and the screws are used for fixedly mounting the valve body mounting seat 1, so that the use strength of the fire damper is increased, and the service life of the fire damper is prolonged.
Further, the first valve plate 8 is a fixed valve plate, and the left end of the first valve plate 8 is fixed on the guide cylinder 2 and is used for flame retarding when the valve is in butt joint and closed.
Further, the second valve plate 10 is configured as a movable valve plate, and the right end of the second valve plate 10 is disposed on the guide cylinder 2, and is used for cooperating with the closing mechanism 7 to close the valve and meanwhile, abutting against the first valve plate 8 to forcibly close the valve.
Further, the filter screen 9 adopts the oil collecting filter screen, and the quantity that filter screen 9 set up is 2, and filter screen 9 passes through connecting rod 12 to be connected, and connecting rod 12 sets up to adjustable connecting rod, and effective filtration is convenient for connect and dismantle the facilitate use through connecting rod 12 moreover.
The utility model discloses a theory of operation be: the fire-proof valve is arranged in a flue, and the limiting rod 5 arranged drives the closing mechanism 7 to move the first valve plate 8 to be in butt joint with the second valve plate 10 through the rotating shaft B6 so as to realize fire-proof closing of the valve. The utility model discloses be provided with two-layer collection oil filter screen, improve the filter effect, can adjust the distance between the filter screen through the telescopic link rod structure that sets up, the washing is conveniently dismantled, and the two butt joint valve boards that set up can effectively improve along with the time of using longer its airtight under the normal ventilation condition or open the performance worse more, the shorter problem of life, increase of service life.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a flue fire prevention valve, includes valve body mount pad, draft tube, the tight connecting rod in top, pivot A, gag lever post, pivot B, closing mechanism, first valve plate, filter screen, second valve plate and screw, its characterized in that: the novel air-conditioning valve is characterized in that a guide cylinder is arranged on the valve body mounting seat, the left end of the jacking connecting rod is arranged on a rotating shaft A, the rotating shaft A is arranged on the lower portion of a limiting rod, a rotating shaft B is arranged on the upper portion of the limiting rod, the rotating shaft B is arranged on the right end of a closing mechanism, the closing mechanism is arranged on the right end of a first valve plate, the first valve plate is arranged on the right portion of the guide cylinder, the filter screen is arranged inside the guide cylinder, a second valve plate is arranged on the left portion of the guide cylinder, and the screw is fixed on the valve body mounting seat.
2. A flue damper as claimed in claim 1, wherein: and mounting holes are formed in the four corners of the valve body mounting seat.
3. A flue damper as claimed in claim 1, wherein: and a fireproof strip is arranged between the valve body mounting seat and the guide cylinder.
4. A flue damper as claimed in claim 1, wherein: the number of the screws corresponds to the number of the mounting holes of the valve body mounting seat one by one.
5. A flue damper as claimed in claim 1, wherein: the first valve plate is set to be a fixed valve plate, and the left end of the first valve plate is fixed on the guide cylinder.
6. A flue damper as claimed in claim 1, wherein: the second valve plate is a movable valve plate, and the right end of the second valve plate is arranged on the guide cylinder.
7. A flue damper as claimed in claim 1, wherein: the filter screen adopts the oil gathering filter screen, the quantity that the filter screen set up is 2, just the filter screen passes through the connecting rod and connects.
8. A flue damper as claimed in claim 7, wherein: the connecting rod sets up to adjustable connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887761.4U CN213117536U (en) | 2020-05-25 | 2020-05-25 | Flue fire prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887761.4U CN213117536U (en) | 2020-05-25 | 2020-05-25 | Flue fire prevention valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117536U true CN213117536U (en) | 2021-05-04 |
Family
ID=75669133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020887761.4U Active CN213117536U (en) | 2020-05-25 | 2020-05-25 | Flue fire prevention valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117536U (en) |
-
2020
- 2020-05-25 CN CN202020887761.4U patent/CN213117536U/en active Active
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