CN215980983U - Adjustable non-return fire-proof valve - Google Patents
Adjustable non-return fire-proof valve Download PDFInfo
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- CN215980983U CN215980983U CN202122155264.2U CN202122155264U CN215980983U CN 215980983 U CN215980983 U CN 215980983U CN 202122155264 U CN202122155264 U CN 202122155264U CN 215980983 U CN215980983 U CN 215980983U
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- strip
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- 230000004888 barrier function Effects 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable non-return fireproof valve which comprises a frame, a first valve plate and a second valve plate, wherein a first connecting roller is rotatably installed on one side inside the frame, a second connecting roller is rotatably installed on the other side inside the frame, the first valve plate is fixed on the first connecting roller, a second valve plate is fixed on the second connecting roller, triangular plates are respectively fixed on opposite sides of the first valve plate and the second valve plate, a second inclined barrier strip is fixed at the front end of one side, away from the second valve plate, of the first valve plate, a first fixing strip is fixed on one side inside the frame, a first inclined barrier strip is fixed on one side of the first fixing strip, a fourth inclined barrier strip is fixed at the rear end of one side, away from the first valve plate, of the second valve plate, a second fixing strip is fixed on the other side inside the frame, and a third inclined barrier strip is fixed on one side of the second fixing strip. The utility model has the advantages of inclined plane sealing and better sealing effect.
Description
Technical Field
The utility model relates to the technical field of fire valves, in particular to an adjustable non-return fire valve.
Background
The fire damper is a valve type closed by the temperature control of memory alloy and the action of gravity and a spring mechanism. The novel product also utilizes the memory alloy to generate deformation to close the valve. When the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the flue gas discharge is not realized, and the valve is automatically closed when the fire is brought in the flue gas, so that the fire is prevented from spreading.
When a valve plate on a general fireproof valve is closed, the sealing between the valve plate and the inner wall of a frame is not complete enough, so that the sealing performance of the fireproof valve is not good enough.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an adjustable non-return fireproof valve, which solves the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: an adjustable non-return fireproof valve comprises a frame, a first valve plate and a second valve plate, wherein a first connecting roller is rotatably installed on one side inside the frame, a second connecting roller is rotatably installed on the other side inside the frame, the first valve plate is fixed on the first connecting roller, a second valve plate is fixed on the second connecting roller, triangular plates are respectively fixed on the opposite sides of the first valve plate and the second valve plate, a second oblique baffle strip is fixed at the front end of one side, away from the second valve plate, of the first valve plate, a first fixing strip is fixed at the corresponding position of one side inside the frame, a first oblique baffle strip is fixed on one side of the first fixing strip, the first oblique baffle strip is in butt joint with the second oblique baffle strip, a fourth oblique baffle strip is fixed at the rear end of one side, away from the first valve plate, of the second valve plate, a second fixing strip is fixed at the corresponding position of the other side inside the frame, a third oblique baffle strip is fixed on one side of the second fixing strip, and the third oblique retaining strip is butted with the fourth oblique retaining strip.
Preferably, the bottom ends of the first connecting roller and the second connecting roller rotate relative to the bottom end in the frame through rotating shafts respectively, and the first connecting roller and the second connecting roller are symmetrically distributed on the central axis in the frame.
Preferably, the triangular plates on the opposite sides of the first valve plate and the second valve plate are butted to form a square plate.
Preferably, the contact surfaces of the two triangular plates, the contact surfaces of the second oblique barrier strip and the first oblique barrier strip, and the contact surfaces of the fourth oblique barrier strip and the third oblique barrier strip are inclined surfaces.
Preferably, a control box is fixed in the middle of the top end of the frame, a handle is rotatably mounted on one side of the top end of the control box, and the first connecting roller and the second connecting roller penetrate through the top end of the frame and are connected with a transmission mechanism arranged in the control box.
Preferably, the upper and lower end surfaces of the first valve plate and the second valve plate are respectively in contact with but not fixed to the upper and lower end surfaces inside the frame.
Compared with the prior art, the utility model has the beneficial effects that: when the fire valve is closed, a transmission mechanism arranged in the control box drives the first connecting roller and the second connecting roller to rotate along the pointer to drive the first valve plate and the second valve plate to rotate clockwise to seal the interior of the frame, and when the first valve plate and the second valve plate are completely closed, two triangular plates on the opposite sides of the first valve plate and the second valve plate are butted to form a square plate to seal a gap on the opposite sides of the first valve plate and the second valve plate; the second inclined barrier strip on one side of the first valve plate is in contact with the first inclined barrier strip, and the second inclined barrier strip and the first inclined barrier strip seal a gap between one side of the first valve plate and one side of the inner wall of the frame; and a gap between one side of the second valve plate and the other side of the inner wall of the frame is sealed by the fourth oblique barrier strip and the third oblique barrier strip. The contact surface of the two triangular plates, the contact surface of the second oblique barrier strip and the contact surface of the first oblique barrier strip and the contact surface of the fourth oblique barrier strip and the contact surface of the third oblique barrier strip are inclined planes, so that the sealing effect is better.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the inner connection structure of the frame of the present invention;
FIG. 3 is an enlarged schematic view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of the utility model at B of FIG. 2;
fig. 5 is a schematic view of the connection structure of the first valve plate and the second valve plate in the top view inside the frame after the first valve plate and the second valve plate are opened.
In the figure: 1. a frame; 2. a rotating shaft; 3. a first connecting roller; 4. a first valve plate; 5. a handle; 6. a control box; 7. a second valve plate; 8. a second connecting roller; 9. a set square; 10. a first fixing strip; 11. a first diagonal barrier strip; 12. a second oblique barrier strip; 13. a second fixing strip; 14. a third oblique barrier strip; 15. and a fourth oblique barrier strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, an embodiment of the present invention: the utility model provides a non return fire prevention valve with adjustable, including frame 1, first valve plate 4 and second valve plate 7, 1 inside one side of frame is rotated and is installed first connection roller 3, 1 inside opposite side of frame is rotated and is installed second connection roller 8, the bottom of first connection roller 3 and second connection roller 8 rotates for 1 inside bottom of frame through pivot 2 respectively, first connection roller 3 and second connection roller 8 are with 1 inside axis symmetric distribution of frame, the upper and lower terminal surface of first valve plate 4 and second valve plate 7 respectively with the frame 1 inside upper and lower terminal surface contact but unfixed.
The control box 6 is fixed in the middle of the top end of the frame 1, and as is well known to those skilled in the art, the control box 6 is provided commonly and conveniently by conventional means or common knowledge, and will not be described herein in detail, and those skilled in the art can make any choice according to their needs or convenience. A handle 5 is rotatably arranged on one side of the top end of the control box 6, and the first connecting roller 3 and the second connecting roller 8 penetrate through the top end of the frame 1 and are connected with a transmission mechanism arranged in the control box 6. The first valve plate 4 is fixed on the first connecting roller 3, and the second valve plate 7 is fixed on the second connecting roller 8. When the fire prevention valve is closed, the built-in transmission mechanism of the control box 6 drives the first connecting roller 3 and the second connecting roller 8 to rotate along the pointer, and drives the first valve plate 4 and the second valve plate 7 to rotate clockwise to seal the inside of the frame 1.
Example 2
Referring to fig. 2 to 5, an embodiment of the present invention includes: the utility model provides a non return fire prevention valve with adjustable, includes frame 1, first valve plate 4 and second valve plate 7, first valve plate 4 and the relative one side of second valve plate 7 are fixed with set-square 9 respectively, constitute square board after the set-square 9 butt joint of the relative one side of first valve plate 4 and second valve plate 7, when first valve plate 4 and second valve plate 7 were closed completely, two set-square 9 butt joints of the relative one side of first valve plate 4 and second valve plate 7 constitute square board and seal the space of the relative one side of first valve plate 4 and second valve plate 7. The front end of one side of first valve plate 4 that deviates from second valve plate 7 is fixed with oblique blend stop 12 of second, and the department of correspondence of 1 inside one side of frame is fixed with first fixed strip 10, and first fixed strip 10 one side is fixed with first blend stop 11 to one side, and first blend stop 11 to one side is with the 12 butt joints of oblique blend stop of second, and the second blend stop 12 and first blend stop 11 to one side seal the space of 4 one side of first valve plate and 1 inner wall one side of frame. The rear end of one side of the second valve plate 7 departing from the first valve plate 4 is fixed with a fourth oblique barrier strip 15, the corresponding position of the other side in the frame 1 is fixed with a second fixing strip 13, one side of the second fixing strip 13 is fixed with a third oblique barrier strip 14, the third oblique barrier strip 14 is in butt joint with the fourth oblique barrier strip 15, and the fourth oblique barrier strip 15 and the third oblique barrier strip 14 seal the gap between one side of the second valve plate 7 and the other side of the inner wall of the frame 1. The contact surfaces of the two triangular plates 9, the contact surfaces of the second oblique barrier strips 12 and the first oblique barrier strips 11 and the contact surfaces of the fourth oblique barrier strips 15 and the third oblique barrier strips 14 are inclined planes, and the inclined planes are adopted for sealing, so that the sealing effect is better.
The working principle is as follows: a transmission mechanism arranged in the control box 6 drives the first connecting roller 3 and the second connecting roller 8 to rotate along the pointer, and drives the first valve plate 4 and the second valve plate 7 to rotate clockwise to seal the inside of the frame 1. Two triangular plates 9 at the opposite sides of the first valve plate 4 and the second valve plate 7 are butted to form a square plate so as to seal a gap at the opposite sides of the first valve plate 4 and the second valve plate 7; the second inclined barrier strip 12 and the first inclined barrier strip 11 seal a gap between one side of the first valve plate 4 and one side of the inner wall of the frame 1; the fourth inclined barrier strip 15 and the third inclined barrier strip 14 close the gap between one side of the second valve plate 7 and the other side of the inner wall of the frame 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a non return fire prevention valve with adjustable, includes frame (1), first valve plate (4) and second valve plate (7), its characterized in that: a first connecting roller (3) is rotatably installed on one side inside the frame (1), a second connecting roller (8) is rotatably installed on the other side inside the frame (1), a first valve plate (4) is fixed on the first connecting roller (3), a second valve plate (7) is fixed on the second connecting roller (8), a triangular plate (9) is respectively fixed on one side opposite to the first valve plate (4) and the second valve plate (7), a second oblique barrier strip (12) is fixed at the front end of one side of the first valve plate (4) departing from the second valve plate (7), a first fixing strip (10) is fixed at the corresponding position of one side inside the frame (1), a first oblique barrier strip (11) is fixed on one side of the first fixing strip (10), the first oblique barrier strip (11) is in butt joint with the second oblique barrier strip (12), and a fourth oblique barrier strip (15) is fixed at the back of one side of the second valve plate (7) departing from the first valve plate (4), the frame (1) inside opposite side department of correspondence is fixed with second fixed strip (13), second fixed strip (13) one side is fixed with oblique blend stop (14) of third, blend stop (14) and the oblique blend stop (15) butt joint of fourth to one side.
2. The adjustable check fire valve as claimed in claim 1, wherein: the bottom of first connection roller (3) and second connection roller (8) rotates for the inside bottom of frame (1) through pivot (2) respectively, and first connection roller (3) and second connection roller (8) are with the inside axis symmetric distribution of frame (1).
3. The adjustable check fire valve as claimed in claim 1, wherein: the triangular plates (9) on the opposite sides of the first valve plate (4) and the second valve plate (7) are butted to form a square plate.
4. The adjustable check fire valve as claimed in claim 1, wherein: the contact surfaces of the two triangular plates (9), the second oblique barrier strips (12) and the first oblique barrier strips (11) and the contact surfaces of the fourth oblique barrier strips (15) and the third oblique barrier strips (14) are inclined planes.
5. The adjustable check fire valve as claimed in claim 1, wherein: the middle of the top end of the frame (1) is fixed with a control box (6), one side of the top end of the control box (6) is rotatably provided with a handle (5), and the first connecting roller (3) and the second connecting roller (8) penetrate through the top end of the frame (1) respectively and are connected with a transmission mechanism arranged in the control box (6).
6. The adjustable check fire valve as claimed in claim 1, wherein: the upper end face and the lower end face of the first valve plate (4) and the upper end face and the lower end face of the second valve plate (7) are respectively in contact with the upper end face and the lower end face in the frame (1) but are not fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155264.2U CN215980983U (en) | 2021-09-06 | 2021-09-06 | Adjustable non-return fire-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155264.2U CN215980983U (en) | 2021-09-06 | 2021-09-06 | Adjustable non-return fire-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980983U true CN215980983U (en) | 2022-03-08 |
Family
ID=80467531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122155264.2U Active CN215980983U (en) | 2021-09-06 | 2021-09-06 | Adjustable non-return fire-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980983U (en) |
-
2021
- 2021-09-06 CN CN202122155264.2U patent/CN215980983U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An adjustable check fire damper Effective date of registration: 20220425 Granted publication date: 20220308 Pledgee: Bank of Dezhou Co.,Ltd. Wucheng sub branch Pledgor: Shandong Xingheng Environmental Science and Technology Group Co.,Ltd. Registration number: Y2022980004728 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 253000 Luquantun Town Development Zone, Wucheng County, Dezhou City, Shandong Province Patentee after: Xingheng Environmental Technology Group Co.,Ltd. Address before: 253000 Luquantun Town Development Zone, Wucheng County, Dezhou City, Shandong Province Patentee before: Shandong Xingheng Environmental Science and Technology Group Co.,Ltd. |
|
| CP03 | Change of name, title or address |