Heat insulation fireproof door
By designing sealing mechanism and heat insulation plates in double-open steel insulation fire doors, the heat and smoke inflow problems caused by the gaps in the steel doors are solved, and better insulation effect and internal safety of the shelter are achieved.
Patent Information
- Application Number
- CN202420727620.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-10
AI Technical Summary
After closing, the existing double-open steel heat-insulating fire doors are closed, due to the gap caused by the steel material, the heat source and smoke flow into the shelter through the gap, causing the heat inside the shelter to rise sharply and the smoke and dust, affecting the health of refugees.
A heat-insulating fire-proof door is designed, and a sealing mechanism includes a rotating handle, driving gear, tooth plate, guide block and push rod. Through the cooperation of these components, the sealing plate and sealing block can effectively block the gaps in the door and prevent heat and smoke. , and the heat insulation panels number one and number two are installed inside the door body to enhance the insulation effect.
Effectively prevent heat and smoke from flowing into the shelter through the gap, keeping the inside of the shelter safe and healthy, and enhancing the thermal insulation performance of the door.
Smart Images

Figure CN222207674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, in particular to a heat-insulating fireproof door. Background Art
[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are fireproof partitions with certain fire resistance, located between fire compartments, evacuation stairwells, vertical shafts, etc. In some shelters, they are specifically used to isolate fire sources and play a huge role in firefighting work.
[0003] For example, a double-opening steel insulated fire door disclosed in Chinese patent publication number CN219158821U includes a door frame and a hollow steel door body, the inner wall of the door frame is rotatably connected to a pair of hollow steel door bodies, the inner cavity of the hollow steel door body is filled with insulating rock wool, one side of the hollow steel door body is rotatably connected to a steel sealing plate, one side of the hollow steel door body is fixedly connected to a pair of pin sleeves, and one side of the steel sealing plate is fixedly connected to a first connecting rod.
[0004] At present, after the double doors are closed, the two doors will contact each other. However, since the double doors are made of steel, a gap will appear between the two doors after closing. At this time, the fire source will continuously generate heat and smoke, and flow into the shelter along the gap, causing the heat inside the shelter to rise sharply. At the same time, the smoke will gradually increase, thereby causing harm to the refugees inside the shelter and affecting the health of the refugees. Therefore, an insulated fire door is proposed. Utility Model Content
[0005] The purpose of the utility model is to solve the problem in the prior art that the two doors of the double door will contact each other after closing, but since the double door is made of steel, a gap will appear between the two doors after closing, at which time the fire source will continuously generate heat and smoke, and flow into the shelter through the gap, causing the heat inside the shelter to rise sharply, and the smoke will gradually increase, thereby causing harm to the refugees inside the shelter and affecting the health of the refugees, and thus a heat-insulating fireproof door is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a heat-insulating fireproof door, comprising a No. 1 door and a No. 2 door, a sealing mechanism is arranged inside the No. 1 door, the sealing mechanism comprises a rotating handle and two groups of guide rails, a square groove is arranged inside the No. 1 door, and a placement groove is arranged at one end of the No. 1 door and the No. 2 door, a sealing plate is arranged inside one group of the placement grooves, a sealing block is welded to the upper end of the sealing plate, a driving gear is rotatably installed inside the square groove, a push rod is welded to one end of the sealing plate and near the upper and lower edge positions, a stabilizing frame is arranged inside the square groove, a guide block is welded to one end of the stabilizing frame and located at the lower edge position, a tooth plate is welded to one end of the stabilizing frame and located at the upper edge position, a part of the driving gear is located inside the stabilizing frame, the protruding portion of the rotating handle passes through the No. 1 door and is fixed to the other end of the driving gear, the guide block is slidably installed inside one group of the guide rails, and the tooth plate is slidably installed inside the other group of the guide rails.
[0007] Preferably, storage slots are provided inside the No. 1 door and the No. 2 door, and a No. 1 insulation board is fixedly installed inside the two groups of storage slots, and a No. 2 insulation board is fixedly installed inside the two groups of storage slots and at one end of the two groups of No. 1 insulation boards.
[0008] Preferably, an assembly mechanism is fixedly installed at one end of the door No. 1 and the door No. 2 and at the upper and lower edge positions, the door No. 2 is located at one end of the door No. 1, and one end of the door No. 2 is in contact with one end of the door No. 1.
[0009] Preferably, sliding grooves are provided at the upper and lower ends of the door No. 1.
[0010] Preferably, one end of one group of the push rods passes through the inner wall of the placement groove and is fixed to one end of the guide block, and one end of the other group of the push rods passes through the inner wall of the placement groove and is fixed to one end of the toothed plate.
[0011] Preferably, the two groups of guide rails are symmetrically installed inside the square groove with respect to the driving gear, and the widths of the two groups of sealing blocks are respectively the same as the widths of the two groups of sliding grooves.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, a sealing mechanism is provided, and under the cooperation of the rotating handle, the active gear and the toothed plate, the rotating handle can drive the toothed plate to move through the active gear, and then under the cooperation of the toothed plate, the stabilizing frame and the guide block, the toothed plate drives the guide block to move through the stabilizing frame, so that the long plate and the guide block slide inside the two sets of guide rails respectively, which can play a guiding role for the guide block and the toothed plate, and improve the stability of the guide block and the toothed plate when they move. At the same time, the guide block and the toothed plate both push the push rods fixed thereto to move, so that the two sets of push rods push the sealing plate into the placement groove in the No. 2 door, and also drive the sealing blocks at the upper and lower ends, so as to block the gap between the No. 1 door and the No. 2 door, prevent heat and smoke from flowing into the shelter from the gap, prevent the heat inside the shelter from rising sharply and the smoke from gradually increasing, and ensure the health of the refugees inside the shelter, and prevent harm to the refugees.
[0014] 2. In the present invention, two groups of No. 1 insulation boards and two groups of No. 2 insulation boards are provided. The two groups of No. 1 insulation boards can play an insulation role, so that the No. 1 door and the No. 2 door can block the heat. At the same time, the two groups of No. 2 insulation boards are used to further improve the insulation effect and the insulation effect of the No. 1 and No. 2 doors. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional structural schematic diagram of a heat-insulating fireproof door is proposed for the utility model;
[0016] Figure 2 A schematic diagram of a partially cutaway structure of a heat-insulating fireproof door is provided for the utility model;
[0017] Figure 3 A three-dimensional diagram of a sealing mechanism of a heat-insulating fireproof door is provided for the utility model;
[0018] Figure 4 The utility model provides a top partial cross-sectional view of a heat-insulating fireproof door.
[0019] Legend: 1. Door No. 1; 11. Door No. 2; 12. Storage slot; 13. Heat insulation board No. 1; 14. Heat insulation board No. 2; 2. Sealing mechanism; 21. Turn handle; 22. Guide rail; 23. Square groove; 24. Sealing plate; 25. Sliding groove; 26. Sealing block; 27. Driving gear; 28. Guide block; 29. Tooth plate; 210. Storage slot; 211. Push rod; 212. Stabilizing frame; 3. Assembly mechanism. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0022] Embodiment 1
[0023] like Figure 1 As shown in Figure 4, the utility model provides a heat-insulating fireproof door, including a No. 1 door 1 and a No. 2 door 11. A sealing mechanism 2 is arranged inside the No. 1 door 1. The sealing mechanism 2 includes a handle 21 and two groups of guide rails 22. A square groove 23 is opened inside the No. 1 door 1. One end of the No. 1 door 1 and the No. 2 door 11 are both provided with a placement groove 210. A sealing plate 24 is arranged inside one group of the placement grooves 210. A sealing block 26 is welded to the upper end of the sealing plate 24. A driving gear 27 is rotatably installed inside the square groove 23. A push rod 211 is welded to one end of the sealing plate 24 and near the upper and lower edges. A stabilizing frame 212 is arranged inside the square groove 23. A guide block 28 is welded to one end of the stabilizing frame 212 and located at the lower edge. A tooth plate 29 is welded at the upper edge, a part of the driving gear 27 is located inside the stabilizing frame 212, the protruding portion of the handle 21 passes through the No. 1 door 1 and is fixed to the other end of the driving gear 27, the guide block 28 is slidably installed inside one set of guide rails 22, the tooth plate 29 is slidably installed inside the other set of guide rails 22, and sliding grooves 25 are provided at the upper and lower ends of the No. 1 door 1, one end of one set of push rods 211 passes through the inner wall of the placement groove 210 and is fixed to one end of the guide block 28, and one end of the other set of push rods 211 passes through the inner wall of the placement groove 210 and is fixed to one end of the tooth plate 29, the two sets of guide rails 22 are symmetrically installed inside the square groove 23 about the driving gear 27, and the width of the two sets of sealing blocks 26 is the same as the width of the two sets of sliding grooves 25.
[0024] The specific configuration and function of this embodiment are described in detail below. By providing a sealing mechanism 2, the handle 21 is rotated, one end of the handle 21 passes through the No. 1 door 1 to drive the driving gear 27 to rotate, and the protruding portion of one end of the driving gear 27 rotates on the inner wall of the square groove 23. Under the meshing of the driving gear 27 and the toothed plate 29, the driving gear 27 drives the toothed plate 29 to move. Under the limit of the stabilizing frame 212, the toothed plate 29 drives the guide block 28 to move through the stabilizing frame 212. At the same time, the toothed plate 29 and the guide block 28 respectively drive the push rods 211 fixed thereto to move, so that both sets of push rods 211 pass through the placement groove 210 to push the sealing plate 24 to move, and then push a part of the sealing plate 24 to the No. 2 door 1. 1, and at the same time, the sealing plate 24 will also drive the sealing blocks 26 at the upper and lower ends to move, so that the two groups of sealing blocks 26 are respectively moved out from the inside of the two groups of sliding grooves 25, thereby blocking the gap between the No. 1 door 1 and the No. 2 door 11, preventing heat and smoke from flowing into the shelter from the gap, preventing the heat inside the shelter from rising sharply and the smoke from gradually increasing, and ensuring the health of the refugees inside the shelter and preventing harm to the refugees. At the same time, when the guide block 28 and the tooth plate 29 are moving, the guide block 28 and the tooth plate 29 will slide inside the two groups of guide rails 22 respectively, which can play a guiding role for the guide block 28 and the tooth plate 29, and improve the stability of the guide block 28 and the tooth plate 29 when moving.
[0025] Embodiment 2
[0026] like Figure 1 and Figure 4 As shown, storage slots 12 are provided inside door No. 1 and door No. 2, 11, and heat insulation boards No. 1 13 are fixedly installed inside the two groups of storage slots 12. Heat insulation boards No. 2 14 are fixedly installed inside the two groups of storage slots 12 and at one end of the two groups of heat insulation boards No. 1 13, and assembly mechanisms 3 are fixedly installed at one end of door No. 1 and door No. 2, 11 and at the upper and lower edge positions, and door No. 2 11 is located at one end of door No. 1, and one end of door No. 2 11 is in contact with one end of door No. 1.
[0027] The effect achieved by the entire embodiment is that by setting two groups of No. 1 insulation boards 13 and two groups of No. 2 insulation boards 14, the two groups of No. 1 insulation boards 13 can play an insulation role, so that the No. 1 door 1 and the No. 2 door 11 can block the heat, and at the same time cooperate with the two groups of No. 2 insulation boards 14 to further improve the insulation effect and the insulation effect of the No. 1 door 1 and the No. 2 door 11. By setting four groups of assembly mechanisms 3, the No. 1 door 1 and the No. 2 door 11 can be installed, which is convenient for installing the No. 1 door 1 and the No. 2 door 11 at the shelter, which has a fire-blocking effect for the shelter and prevents heat from entering the shelter.
[0028] The use method and working principle of the device are as follows: First, the No. 1 door 1 and the No. 2 door 11 are installed at the shelter through four groups of assembly mechanisms 3. When a fire occurs, the No. 1 door 1 and the No. 2 door 11 are closed, and then the handle 21 is rotated. One end of the handle 21 passes through the No. 1 door 1 to drive the driving gear 27 to rotate, and the protruding part of one end of the driving gear 27 rotates on the inner wall of the square groove 23. Under the meshing of the driving gear 27 and the toothed plate 29, the driving gear 27 will drive the toothed plate 29 to move. Under the limit of the stabilizing frame 212, the toothed plate 29 drives the guide block 28 to move through the stabilizing frame 212, and at the same time, the toothed plate 29 and the guide block 28 respectively drive the push rod 211 fixed thereto to move. At the same time, when the guide block 28 and the toothed plate 29 move, The guide block 28 and the tooth plate 29 will slide inside the two sets of guide rails 22 respectively, which can play a guiding role for the guide block 28 and the tooth plate 29, and the two sets of push rods 211 will pass through the placement groove 210 to push the sealing plate 24 to move, and then push a part of the sealing plate 24 into the placement groove 210 on the second door 11. At the same time, the sealing plate 24 will also drive the sealing blocks 26 at the upper and lower ends to move, so that the two sets of sealing blocks 26 are respectively moved out from the inside of the two sets of sliding grooves 25, which can block the gap between the first door 1 and the second door 11, and prevent heat and smoke from flowing into the shelter from the gap. Finally, the first insulation board 13 and the second insulation board 14 inside the first door 1 and the second door 11 can block the heat and prevent heat from entering the shelter.
[0029] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A heat-insulating fireproof door, comprising a first door (1) and a second door (11), Features: The first door (1) is provided with a sealing mechanism (2) inside, the sealing mechanism (2) comprising a rotating handle (21) and two groups of guide rails (22), the first door (1) is provided with a square groove (23), one end of the first door (1) and the second door (11) are provided with a placement groove (210), a sealing plate (24) is provided inside one group of the placement grooves (210), the upper end of each sealing plate (24) is welded with a sealing block (26), a driving gear (27) is rotatably installed inside the square groove (23), and a push rod (211) is welded at one end of each sealing plate (24) and near the upper and lower edges. A stabilizing frame (212) is arranged inside the square groove (23), a guide block (28) is welded at one end of the stabilizing frame (212) and located at the lower edge, a tooth plate (29) is welded at one end of the stabilizing frame (212) and located at the upper edge, a part of the driving gear (27) is located inside the stabilizing frame (212), a protruding portion of the turning handle (21) passes through the No. 1 door (1) and is fixed to the other end of the driving gear (27), the guide block (28) is slidably mounted inside one group of the guide rails (22), and the tooth plate (29) is slidably mounted inside the other group of the guide rails (22).
2. A heat-insulating fireproof door according to claim 1, Features: The first door (1) and the second door (11) are each provided with a storage slot (12), the first heat insulation board (13) is fixedly installed inside the two groups of the storage slots (12), and the second heat insulation board (14) is fixedly installed inside the two groups of the storage slots (12) and at one end of the two groups of the first heat insulation board (13).
3. A heat-insulating fireproof door according to claim 1, Features: An assembly mechanism (3) is fixedly installed at one end of the first door (1) and the second door (11) and at the upper and lower edge positions; the second door (11) is located at one end of the first door (1), and one end of the second door (11) is in contact with one end of the first door (1).
4. A heat-insulating fireproof door according to claim 1, Features: The upper and lower ends of the first door (1) are both provided with sliding grooves (25).
5. The heat-insulating fireproof door according to claim 1, Features: One end of one group of the push rods (211) passes through the inner wall of the placement groove (210) and is fixed to one end of the guide block (28), and one end of the other group of the push rods (211) passes through the inner wall of the placement groove (210) and is fixed to one end of the toothed plate (29).
6. A heat-insulating fireproof door according to claim 4, Features: The two groups of guide rails (22) are symmetrically installed inside the square groove (23) with respect to the driving gear (27), and the widths of the two groups of sealing blocks (26) are respectively the same as the widths of the two groups of sliding grooves (25).
