CN212536706U - Fire prevention valve with sealing strip - Google Patents
Fire prevention valve with sealing strip Download PDFInfo
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- CN212536706U CN212536706U CN202021186211.6U CN202021186211U CN212536706U CN 212536706 U CN212536706 U CN 212536706U CN 202021186211 U CN202021186211 U CN 202021186211U CN 212536706 U CN212536706 U CN 212536706U
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- sealing strip
- fire
- fire prevention
- side edge
- blade
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Abstract
The utility model relates to a fire prevention valve with sealing strip, including framework, two at least pivots, two at least fire prevention blades and at least one sealing strip. The frame body is provided with two opposite inner top walls; one end of each rotating shaft is rotatably connected with one inner top wall, the other end of each rotating shaft is rotatably connected with the other inner top wall, and the rotating shafts are parallel to each other; each fireproof blade is connected with a rotating shaft, so that the fireproof blades rotate along with the rotating shaft; the sealing strip is located between two adjacent fire prevention blades, and the sealing strip has relative first side and second side, and first side is connected with a fire prevention blade, and the sealing strip be used for with the adjacent side edge of second side with another fire prevention blade's side edge activity butt. Foretell fire prevention valve with sealing strip does not have the gap between two fire prevention blades, and after the fire prevention blade warp under high temperature moreover, the sealing strip still can play the effect of sealing the gap between two fire prevention blades, has consequently promoted the sealing performance of the fire prevention valve with sealing strip, has promoted the fire prevention performance of the fire prevention valve with sealing strip promptly.
Description
Technical Field
The utility model relates to a fire-proof equipment technical field especially relates to a fire prevention valve with sealing strip.
Background
The fire damper is installed in an air duct system of the air conditioner, and when a fire disaster occurs, the fire damper is closed to seal an air duct, so that the effects of smoke isolation and fire resistance are achieved. For guaranteeing fire behavior, the valve body and the blade of fire prevention valve all adopt the PLASTIC LAMINATED preparation, and the valve body of turning over the board-like fire prevention valve is the frame shape, and the blade is rotatable through the pivot that is connected installs on the inner wall of valve body, mutual butt between the blade in order to realize sealed effect. However, the blade and the blade are connected with each other in an abutting mode to form a gap, the blade is prone to deforming at high temperature, air leakage between two adjacent blades is greater, and the sealing performance of the fireproof valve blade is not high.
Disclosure of Invention
In view of the above, it is necessary to provide a fire damper having a weather strip in order to solve the problem that the sealing performance of the conventional fire damper blade is not high.
A fire damper with a sealing strip, comprising:
a frame having two opposing interior top walls;
one end of each rotating shaft is rotatably connected with one inner top wall, the other end of each rotating shaft is rotatably connected with the other inner top wall, and the rotating shafts are parallel to each other;
each fireproof blade is connected with one rotating shaft, so that the fireproof blades rotate along with the rotating shaft;
at least one sealing strip, the sealing strip is located adjacent two between the fire prevention blade, the sealing strip has relative first side and second side, first side with one the fire prevention blade is connected, the sealing strip be used for with the adjacent side edge of second side and another the side edge activity butt of fire prevention blade.
In one embodiment, the extending direction of the rotating shaft is parallel to the extending direction of the fireproof blades, and the extending direction of the rotating shaft and the extending direction of the fireproof blades are respectively perpendicular to a plane where the rotating direction of the rotating shaft is located.
In one embodiment, each of the rotation shafts is disposed in the middle of one of the fire protection flaps, so that two sides of the fire protection flap are symmetrical with respect to the rotation shaft.
In one embodiment, when the side edges of every two adjacent fire-proof blades are abutted, each fire-proof blade seals the inner space of the frame body.
In one embodiment, the shaft is welded to the fire vane.
In one embodiment, the first side edge is provided with a clamping space, the side edge of one fireproof blade is inserted into the clamping space, and the side edge of the sealing strip, which is adjacent to the second side edge, is movably abutted against the side edge of the other fireproof blade.
In one embodiment, the fireproof blade is abutted with the outer edge of the clamping space and welded at the abutted position.
In one embodiment, the second side edge is provided with a sealing sheet which is movably abutted with the side edge of the other fireproof vane.
In one embodiment, the second side edge is provided with a clamping space, and the sealing sheet is at least partially clamped in the clamping space.
In one embodiment, the clamping walls on the two sides of the clamping space are movably close to each other, and the sealing sheet is an elastic sheet.
Foretell fire prevention valve with sealing strip, set up the sealing strip between two adjacent fire prevention blades, the sealing strip is connected as an organic wholely with one of them fire prevention blade, and with another fire prevention blade butt, the adjacent side edge of the second side edge of sealing strip and the side edge butt of fire prevention blade, make like this and do not have the gap between two fire prevention blades, and fire prevention blade warp the back under high temperature, the sealing strip still can play the effect of closing the gap between two fire prevention blades, consequently, the sealing performance of the fire prevention valve with sealing strip has been promoted, the fire prevention performance of the fire prevention valve with sealing strip has been promoted promptly.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a fire damper having a sealing strip;
FIG. 2 is a schematic view of another angle of a fire damper having a sealing strip according to an embodiment;
fig. 3 is an enlarged partial view of the fire damper with the sealing strip shown in fig. 2 at a point a.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
In one embodiment, the fire damper with the sealing strip comprises a frame body, at least two rotating shafts, at least two fire-resisting vanes and at least one sealing strip. The frame body is provided with two opposite inner top walls; one end of each rotating shaft is rotatably connected with one inner top wall, the other end of each rotating shaft is rotatably connected with the other inner top wall, and the rotating shafts are parallel to each other; each fireproof blade is connected with one rotating shaft, so that the fireproof blades rotate along with the rotating shafts; the sealing strip is located adjacent two between the fire prevention blade, the sealing strip has relative first side and second side, first side with one the fire prevention blade is connected, the sealing strip be used for with the adjacent side edge in second side and another the side edge activity butt of fire prevention blade.
As shown in fig. 1 to 3, the fire damper 10 with a sealing strip of an embodiment includes a frame 100, at least two rotating shafts 200, at least two fire protection vanes 300, and at least one sealing strip 400. The frame 100 has two opposing inner top walls 110. One end of the rotating shaft 200 is rotatably connected to one of the inner top walls 110, and the other end is rotatably connected to the other of the inner top walls 110, and the rotating shafts 200 are parallel to each other. Each of the fire protection flaps 300 is connected to one of the shafts 200 such that the fire protection flaps 300 rotate with the shafts 200. The sealing strip 400 is located adjacent two between the fire prevention blade 300, sealing strip 400 has relative first side 410 and second side 420, first side 410 with one fire prevention blade 300 is connected, sealing strip 400 be used for with the adjacent side edge of second side 420 and another fire prevention blade 300's side edge activity butt. In this embodiment, when the side edges of two adjacent fire protection flaps 300 abut against each other, each fire protection flap 300 encloses the inner space of the frame 100. Further, when each of the fire protection vanes 300 encloses the inner space of the frame 100, the fire protection vanes 300 are arranged in parallel, and the planes of the fire protection vanes 300 are overlapped. It will be appreciated that the side edge of the sealing strip 400 adjacent to the second side edge 420 is movably abutted against the side edge of another fire protection vane 300, that is, when the fire protection vane 300 of the fire protection valve 10 with the sealing strip closes the inner space of the frame body, the side edge of the sealing strip 400 is abutted against the side edge of another fire protection vane 300, and when the fire protection vane 300 of the fire protection valve 10 with the sealing strip rotates to open the inner space of the frame body 100, the side edge of the sealing strip 400 is not abutted against the side edge of another fire protection vane 300.
Foretell fire prevention valve 10 with sealing strip, sealing strip 400 has been set up between two adjacent fire prevention blades 300, sealing strip 400 is connected as an organic wholely with one of them fire prevention blade 300, and with another fire prevention blade 300 butt, the adjacent side edge of the second side 420 of sealing strip 400 and the side edge butt of fire prevention blade 300, make like this not have the gap between two fire prevention blades 300, and after fire prevention blade 300 warp under high temperature, sealing strip 400 still can play the effect of closing the gap between two fire prevention blades 300, consequently, the sealing performance of fire prevention valve 10 with sealing strip has been promoted, the fire prevention performance of fire prevention valve 10 with sealing strip has been promoted promptly.
In one embodiment, the extending direction of the rotating shaft 200 is parallel to the extending direction of the fire-proof vanes 300, and the extending direction of the rotating shaft 200 and the extending direction of the fire-proof vanes 300 are respectively perpendicular to the plane where the rotating direction of the rotating shaft 200 is located, so that each fire-proof vane 300 can rotate along with the corresponding rotating shaft 200, and the interior space of the frame 100 enclosed by the fire-proof vanes 300 can be controlled. In one embodiment, each of the rotation shafts 200 is disposed in the middle of one of the fire protection flaps 300, such that two sides of the fire protection flap 300 are symmetrical with respect to the rotation shaft 200, and thus the fire protection flaps 300 do not touch each other when rotating, thereby preventing the opening or closing of the inner space of the frame 100. In one embodiment, the fire damper with seal 10 further includes a driving mechanism for driving the rotation shaft 200 to rotate.
In order to make the fire prevention vane 300 stably rotate along with the rotation shaft 200, in one embodiment, the rotation shaft 200 is welded with the fire prevention vane 300, so that the fire prevention vane 300 is fixedly connected with the corresponding rotation shaft 200, when the rotation shaft 200 rotates, the fire prevention vane 300 stably rotates along with the rotation shaft, the effectiveness of sealing or opening a channel is improved, and the structure of the whole fire prevention valve 10 with the sealing strip is stable. In other embodiments, the hinge 200 is integrally formed with the fire protection flap 300, so that the fire protection valve 10 with the sealing strip is compact and firm.
In one embodiment, the first side 410 is provided with a fastening space, a side of one fire protection blade 300 is inserted into the fastening space, and an adjacent side edge of the second side 420 abuts against a side edge of another fire protection blade 300. The card has been seted up to first side 410 of sealing strip 400 and has been established the space, and when the side of fire prevention blade 300 was inserted and is located in the card is established the space, and the adjacent side edge of the second side 420 of sealing strip 400 and the side edge butt of another fire prevention blade 300, sealing strip 400 and the side butt department of another fire prevention blade 300 have the coincidence, make the gap between two fire prevention blades 300 sealed like this, have promoted fire prevention blade 300's sealed degree greatly. Specifically, the sealing strip 400 includes two metal sheets, one of which is bent at one end to form a first bend, so as to form a clamping space with the other metal sheet, when the fire protection blade 300 is inserted into the clamping space, the first bend is pressed back, so that the fire protection blade 300 can be stably inserted into the clamping space.
In one embodiment, the fire vane 300 abuts against the outer edge of the fastening space and is welded at the abutting position, so that the fire vane 300 is further stably inserted into the fastening space of the sealing strip 400. For example, a plurality of welding points are arranged on the line of the abutting position of the fireproof blade 300 and the outer edge of the clamping space, so that the fireproof blade 300 is ensured to be stably inserted in the clamping space of the sealing strip 400 and the subsequent dismounting of the sealing strip 400 is facilitated.
In one embodiment, the second side edge 420 is provided with a sealing sheet, which abuts against a side edge of the other fire protection vane 300. Make sealing strip 400 and the butt coincidence area of the side of fire prevention blade 300 can adjust through setting up the sealing gasket, promoted the flexibility that sealed degree was adjusted.
In one embodiment, as shown in fig. 3, the second side edge 420 is provided with a clamping space 421, and the sealing sheet is at least partially clamped in the clamping space 421, so that the sealing sheet is convenient to arrange and can be replaced, and the sealing time of the sealing strip 400 is prolonged. In one embodiment, the two side walls of the clamping space 421 are movably close to each other, the sealing sheet is an elastic sheet, the width of the clamping space 421 can be adjusted, and the elastic sealing sheet is clamped in the clamping space 421, so that the elastic sealing sheet can extrude the two side walls of the clamping space 421, the sealing strip 400 is abutted to the side edge of the fire-proof vane 300 more tightly, the sealing performance of the sealing strip 400 is further improved, and the sealing performance of the fire-proof vane 300 on the inner channel of the frame 100 is further improved. Specifically, two sheetmetals of sealing strip 400, one of them sheetmetal is buckled at the other end and is formed the second and buckle to form between and press from both sides the space with another sheetmetal, press from both sides the gasket and locate to press from both sides when establishing the space, press back the second bending, with the gasket compaction, make the gasket can comparatively insert firmly and establish in pressing from both sides and establishing the space, promoted sealed effect.
In one embodiment, the fire damper 10 with a sealing strip further includes at least two sealing ribs, the frame 100 has two opposite inner side walls 120, at least one sealing rib is disposed between one of the fire protection flaps 300 and one of the inner side walls 120 for sealing a gap therebetween, and at least one sealing rib is disposed between the other fire protection flap 300 and the other inner side wall 120 for sealing a gap therebetween, so as to further seal the fire protection flap 300 against the inner channel of the frame 100.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fire damper with a sealing strip, comprising:
a frame having two opposing interior top walls;
one end of each rotating shaft is rotatably connected with one inner top wall, the other end of each rotating shaft is rotatably connected with the other inner top wall, and the rotating shafts are parallel to each other;
each fireproof blade is connected with one rotating shaft, so that the fireproof blades rotate along with the rotating shaft;
at least one sealing strip, the sealing strip is located adjacent two between the fire prevention blade, the sealing strip has relative first side and second side, first side with one the fire prevention blade is connected, the sealing strip be used for with the adjacent side edge of second side and another the side edge activity butt of fire prevention blade.
2. The fire damper with the sealing strip as claimed in claim 1, wherein the extending direction of the rotating shaft is parallel to the extending direction of the fire-proof vane, and the extending direction of the rotating shaft and the extending direction of the fire-proof vane are perpendicular to the plane where the rotating direction of the rotating shaft is located.
3. The fire damper with seal strip according to claim 1, wherein each of said rotation shafts is disposed at a middle portion of one of said fire protection flaps such that both side edges of said fire protection flap are symmetrical with respect to said rotation shaft.
4. The fire damper with the sealing strip as claimed in claim 1, wherein each of the fire protection flaps seals an inner space of the frame body when side edges of two adjacent fire protection flaps are abutted.
5. The fire damper with the sealing strip as claimed in claim 1, wherein the rotation shaft is welded to the fire protection flap.
6. The fire damper with the sealing strip as claimed in claim 1, wherein the first side edge is provided with a clamping space, the side edge of the fire protection blade is inserted into the clamping space, and the side edge of the sealing strip adjacent to the second side edge is movably abutted against the side edge of the other fire protection blade.
7. The fire damper with seal strip of claim 6, wherein said fire protection flap abuts an outer edge of said mounting space and is welded thereto.
8. The fire damper with the sealing strip as claimed in claim 6, wherein the second side edge is provided with a sealing sheet which is movably abutted against the side edge of the other fire protection blade.
9. The fire damper with the sealing strip according to claim 8, wherein a clamping space is formed at the second side edge, and at least part of the sealing strip is clamped in the clamping space.
10. The fire damper with the sealing strip according to claim 9, wherein the clamping walls on two sides of the clamping space are movably close to each other, and the sealing strip is an elastic strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186211.6U CN212536706U (en) | 2020-06-23 | 2020-06-23 | Fire prevention valve with sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021186211.6U CN212536706U (en) | 2020-06-23 | 2020-06-23 | Fire prevention valve with sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536706U true CN212536706U (en) | 2021-02-12 |
Family
ID=74546420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021186211.6U Active CN212536706U (en) | 2020-06-23 | 2020-06-23 | Fire prevention valve with sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212536706U (en) |
-
2020
- 2020-06-23 CN CN202021186211.6U patent/CN212536706U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230928 Address after: B-5-1, Jinlu Industrial Park, 199 Haiyu Middle Line, Haikou City, Hainan Province, 570100 Patentee after: Hainan Xinshengyuan Air Conditioning and HVAC Engineering Co.,Ltd. Patentee after: Haikou Shengyuan fire fighting equipment Co.,Ltd. Address before: 570100 B-5, Jinlu Industrial Zone, 199 Haiyu midline, Xiuying District, Haikou City, Hainan Province Patentee before: Haikou Shengyuan fire fighting equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |