CN219931995U - Steel fireproof door - Google Patents
Steel fireproof door Download PDFInfo
- Publication number
- CN219931995U CN219931995U CN202320354570.5U CN202320354570U CN219931995U CN 219931995 U CN219931995 U CN 219931995U CN 202320354570 U CN202320354570 U CN 202320354570U CN 219931995 U CN219931995 U CN 219931995U
- Authority
- CN
- China
- Prior art keywords
- door
- fireproof door
- frame
- clamping
- sealing
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 206010041349 Somnolence Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model relates to the field of fire-fighting equipment, in particular to a steel fireproof door which comprises a door frame, a fireproof door main body and a door closer arranged between the door frame and the fireproof door main body, wherein the top of the fireproof door main body is provided with vent holes, and the front surface and the rear surface of the fireproof door main body are respectively provided with a sealing mechanism for automatically sealing the vent holes; the utility model can realize good ventilation effect when the daily fire-free fireproof door is in a closed state for a long time, and can automatically close the ventilation mechanism once the fire occurs, thereby blocking the spread of the fire without additional power energy.
Description
Technical Field
The utility model relates to the field of fire-fighting equipment, in particular to a steel fireproof door.
Background
Fireproof doors are one of the important application devices in fire fighting devices, and can effectively block fire spreading and protect life and property safety of people. The fire-fighting channels of the corridor and the commercial office building are important positions for installing the fireproof doors, and the fireproof doors are in a closed state for a long time in order to ensure the fire-fighting effect; when no fire occurs, the fireproof door is also in a closed state, for office staff positioned in the office building for office work, the closed fireproof door enables indoor ventilation to be unsmooth, air is turbid, the head of the office staff is very easy to sleepy, office efficiency is seriously affected, and in order to solve the problem, the conventional solution of the office staff is to remove a door closer on the fireproof door or prevent automatic closing of the fireproof door by articles, so that the problem of indoor ventilation can be solved, but once the fire occurs, the staff is in a panic and escapes without taking care of closing the fireproof door, and the fireproof door is completely lost.
Therefore, at present, a novel fireproof door is urgently needed, and the novel fireproof door can be in a closed state for a long time in daily fire-free fireproof doors, has a good ventilation effect, can automatically close a ventilation mechanism once a fire occurs, and can prevent the spread of the fire without additional power energy.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the steel fireproof door which can realize good ventilation effect when the daily fire-free fireproof door is in a closed state for a long time, and can automatically close the ventilation mechanism once the fire occurs, so that the spread of the fire is blocked, and no additional power energy is needed.
The utility model adopts the following technical scheme:
the steel fireproof door comprises a door frame, a fireproof door main body and a door closer arranged between the door frame and the fireproof door main body, wherein the top of the fireproof door main body is provided with a vent hole, and the front surface and the rear surface of the fireproof door main body are respectively provided with a sealing mechanism for automatically sealing the vent hole; the sealing mechanism comprises a fixing frame which is fixedly arranged on the surface of the fireproof door main body and is in a square frame structure, a chute which is arranged on the inner side surface of the fixing frame in the vertical direction, a sealing plate which is in sliding connection with the chute and is used for sealing the vent hole, a clamping block which is arranged on the outer surface of the sealing plate, and a clamping mechanism which is arranged on the outer surface of the fixing frame and is used for movably clamping the clamping block; the clamping mechanism comprises a mounting plate fixedly arranged on the outer surface of the fixed frame, a mounting frame which is fixedly arranged on the mounting plate and is in a square frame structure, a rotating shaft which is vertically arranged in the mounting frame in a rotating mode, a rotating clamping body which is horizontally fixedly arranged on the rotating shaft and is in a square body structure, the upper surface of which is clamped with the lower surface of the clamping block, a compression spring which is fixedly arranged on the inner side surface of the mounting frame and is connected with the end part of the rotating clamping body in the horizontal direction, and a temperature sensing glass tube which is fixedly arranged on the inner side surface of the mounting frame and is clamped with the end part of the rotating clamping body in the horizontal direction; the compression spring and the temperature sensing detection glass tube are in the same horizontal direction; the sealing plate adopts a solid fireproof steel plate, and the action temperature of the temperature sensing detection glass tube is 68 ℃.
Further, in order to filter dust and foreign matter in the air, a filter layer for filtering and purifying the air is arranged in the vent hole in a clamping mode, and the filter layer adopts PP filter cotton.
Further, in order to avoid damage to external personnel or objects, the mounting plate adopts an arc-shaped structure.
Preferably, in order to promote the mechanical strength of mounting panel, be equipped with the reinforcement strip between mounting panel upper surface and fixed frame, mounting panel and reinforcement strip are integrated into one piece and all adopt the fire prevention steel sheet material.
As can be seen from the above description of the structure of the present utility model, compared with the prior art, the present utility model has the following advantages: 1. according to the utility model, the vent holes are formed in the fireproof door main body, so that even if the fireproof door is in a closed state in daily no fire condition, the indoor and outdoor air can be ensured to flow, and the situation that the indoor air does not flow for a long time to reduce the office efficiency of indoor office staff is avoided; 2. the utility model is provided with the sealing mechanism for sealing the vent hole, once a fire occurs, the temperature sensing detection glass tube of the clamping mechanism in the sealing mechanism bursts, the rotary clamping body rotates around the rotating shaft under the pushing of the compression spring, the rotary clamping body is separated from the abutting clamping block, the sealing plate provided with the clamping block slides downwards along the sliding groove under the action of gravity to seal the vent hole, and the spreading of smoke and the fire is blocked.
Drawings
FIG. 1 is a schematic perspective view of FIG. 1 of the present utility model;
FIG. 2 is a schematic perspective view of FIG. 2 of the present utility model;
FIG. 3 is an enlarged partial perspective view of the present utility model shown in FIG. 1;
FIG. 4 is a partially enlarged schematic perspective view 2 of the present utility model;
FIG. 5 is a partially enlarged schematic perspective view of FIG. 3 of the present utility model;
FIG. 6 is a partially enlarged schematic perspective view of FIG. 4 of the present utility model;
FIG. 7 is a partially enlarged schematic perspective view 5 of the present utility model;
FIG. 8 is an enlarged schematic perspective view 1, partially in section, of the present utility model;
FIG. 9 is an enlarged partial cross-sectional schematic perspective view of FIG. 2 of the present utility model;
fig. 10 is an enlarged schematic perspective view in partial section of the present utility model, shown in fig. 3.
Description of the embodiments
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 10, the steel fireproof door comprises a door frame 1, a fireproof door main body 2 and a door closer 3 arranged between the door frame 1 and the fireproof door main body 2, wherein a vent 4 is formed in the top of the fireproof door main body 2, and sealing mechanisms 5 for automatically sealing the vent 4 are arranged on the front surface and the rear surface of the fireproof door main body 2; the sealing mechanism 5 comprises a fixed frame 51 which is fixedly arranged on the surface of the fireproof door main body 2 and is in a square frame structure, a chute 52 which is arranged on the inner side surface of the fixed frame 51 in the vertical direction, a sealing plate 53 which is in sliding connection with the chute 52 and is used for sealing the vent hole 4, a clamping block 531 which is arranged on the outer surface of the sealing plate 53, and a clamping mechanism 6 which is arranged on the outer surface of the fixed frame 51 and is used for movably clamping the clamping block 531; the clamping mechanism 6 comprises a mounting plate 61 fixedly arranged on the outer surface of the fixed frame 51, a mounting frame 62 fixedly arranged on the mounting plate 61 and having a square frame structure, a rotating shaft 63 rotationally arranged in the mounting frame 62 in a vertical direction, a rotating clamping body 64 having a square body structure and fixedly arranged on the rotating shaft 63 in a horizontal direction, the upper surface of the rotating clamping body is clamped with the lower surface of a clamping block 531, a compression spring 65 fixedly arranged on the inner side of the mounting frame 62 and connected with the end part of the rotating clamping body 64 in the horizontal direction, and a temperature sensing glass tube 66 fixedly arranged on the inner side of the mounting frame 62 and clamped with the end part of the rotating clamping body 64 in the horizontal direction; the compression spring 65 and the temperature sensing glass tube 66 are in the same horizontal direction; the closing plate 53 is made of a solid fireproof steel plate, and the operation temperature of the temperature sensing glass tube 66 is 68 ℃.
Referring to fig. 1 to 10, in order to filter dust and foreign matter in air, a filter layer 7 for filtering and purifying air is installed in the vent hole 4 in a clamped manner, clamping ring pieces 71 with circular structures are connected to edges of front and rear end faces of the filter layer 7 through clamping, and displacement of the filter layer 7 in the vent hole 4 can be effectively avoided through the arrangement of the clamping ring pieces 71, and meanwhile, in order to avoid secondary pollution to air in the air filtering process, the filter layer 7 is made of PP filter cotton. Meanwhile, in order to avoid damage to external personnel or objects due to the acute angle structural design, the mounting plate 61 adopts a circular arc structure; in order to improve the mechanical strength of the mounting plate 61, a reinforcing strip 8 is arranged between the upper surface of the mounting plate 61 and the fixed frame 51, and in order to further enhance the mechanical strength of the sealing mechanism 5, the fixed frame 51, the mounting plate 61 and the reinforcing strip 8 are integrally formed and all made of fireproof steel plates.
Working principle: when no fire occurs in daily life, the ventilation holes 4 are opened by the sealing plates 53 in the sealing mechanism 5, and indoor and outdoor air flows through the ventilation holes 4, so that the freshness of indoor air is ensured, and the office efficiency of indoor office staff is ensured; when the rotary clamping body 64 is separated from the clamping block 531, the sealing plate 53 provided with the clamping block 531 falls down along the chute 52 under the action of gravity to seal the vent hole 4, and at the moment, the smoke cannot diffuse through the vent hole 4; the utility model not only ensures the circulation of indoor and outdoor air in daily no fire condition, but also can seal the vent hole 4 under the condition of no extra power energy source once the fire condition occurs, and ensures the function of fireproof and smoke-isolating of the fireproof door, and has simple and reliable structure.
The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.
Claims (6)
1. The steel fireproof door comprises a door frame, a fireproof door body and a door closer arranged between the door frame and the fireproof door body, and is characterized in that: the top of the fireproof door main body is provided with a vent hole, and the front surface and the rear surface of the fireproof door main body are provided with sealing mechanisms for automatically sealing the vent hole; the sealing mechanism comprises a fixing frame which is fixedly arranged on the surface of the fireproof door main body and is in a square frame structure, a chute which is arranged on the inner side surface of the fixing frame in the vertical direction, a sealing plate which is in sliding connection with the chute and is used for sealing the vent hole, a clamping block which is arranged on the outer surface of the sealing plate, and a clamping mechanism which is arranged on the outer surface of the fixing frame and is used for movably clamping the clamping block; the clamping mechanism comprises a mounting plate fixedly arranged on the outer surface of the fixing frame, a mounting frame fixedly arranged on the mounting plate and having a square frame structure, a rotating shaft which is vertically arranged in the mounting frame in a rotating mode, a rotating clamping body which is horizontally fixedly arranged on the rotating shaft and has a square structure, the upper surface of which is clamped with the lower surface of the clamping block, a compression spring which is fixedly arranged on the inner side of the mounting frame and is connected with the end part of the rotating clamping body in the horizontal direction, and a temperature sensing glass tube which is fixedly arranged on the inner side of the mounting frame and is clamped with the end part of the rotating clamping body in the horizontal direction; the compression spring and the temperature sensing detection glass tube are in the same horizontal direction.
2. The steel fire rated door of claim 1 wherein: and a filter layer for filtering and purifying air is arranged in the vent hole in a clamping way.
3. The steel fire rated door of claim 2 wherein: the filter layer adopts PP filter cotton.
4. The steel fire rated door of claim 1 wherein: the mounting plate adopts an arc-shaped structure.
5. The steel fire rated door according to claim 1 or 4 wherein: and a reinforcing strip is arranged between the upper surface of the mounting plate and the fixed frame.
6. The steel fire rated door of claim 5 wherein: the fixing frame, the mounting plate and the reinforcing strip are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354570.5U CN219931995U (en) | 2023-03-01 | 2023-03-01 | Steel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354570.5U CN219931995U (en) | 2023-03-01 | 2023-03-01 | Steel fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219931995U true CN219931995U (en) | 2023-10-31 |
Family
ID=88499254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320354570.5U Active CN219931995U (en) | 2023-03-01 | 2023-03-01 | Steel fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219931995U (en) |
-
2023
- 2023-03-01 CN CN202320354570.5U patent/CN219931995U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219931995U (en) | Steel fireproof door | |
| JP6436438B2 (en) | Differential pressure relief quick action double door | |
| CN218761462U (en) | Fireproof valve for tunnel exhaust duct | |
| CN208056314U (en) | A kind of simple building with wind-shielding function | |
| CN214997311U (en) | Quick fire-proof gray double-opening rolling door | |
| CN216381109U (en) | Detachable escape heat-insulation fireproof window | |
| CN114562191A (en) | Composite fire door with bidirectional shock wave resisting function | |
| CN108005317A (en) | A kind of movable roof structure | |
| CN210178231U (en) | Wooden heat-insulation fireproof door | |
| CN212958314U (en) | Sealed effectual purification airtight steel door | |
| CN210858501U (en) | Emergency entrance and exit of fireproof rolling shutter door | |
| CN209662487U (en) | A kind of high-performance glass smoke-proof pendant wall | |
| CN220565979U (en) | Safety protection fireproof door | |
| CN210123195U (en) | Building energy-saving environment-friendly ventilator | |
| CN208330110U (en) | A kind of fire resisting shutter convenient for escape | |
| CN216866505U (en) | Bottom sealing device for fireproof rolling shutter door | |
| CN219177017U (en) | Fireproof valve | |
| CN217501503U (en) | Fire prevention glass door of two-way opening | |
| CN215379635U (en) | Smoke blocking vertical wall controller | |
| CN211230057U (en) | Plug-in water retaining sealing structure of sliding door and window sash | |
| CN219101054U (en) | Curtain wall smoke exhausting window | |
| CN213953422U (en) | Inorganic double-track double-curtain fireproof rolling door | |
| CN216923224U (en) | Valve sealing structure of fire damper | |
| CN217420985U (en) | Fireproof door with smoke-proof structure | |
| CN213175399U (en) | Stainless steel fireproof door with smoke exhaust function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |