Sealing fireproof door
By designing reinforcement frames and sealing frames in fire doors, and using the cooperation of support plates, positioning plates and limiting plates, the problem of reducing sealing effect caused by aging of existing fire door seals is solved, and the sealing performance of fire doors is significantly improved. and security.
Patent Information
- Application Number
- CN202421152529.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing fire door seal strips are prone to aging after long-term use, resulting in a reduction in the sealing effect and the inability to replace them in time, affecting the sealing and safety of the fire doors.
A sealed fire door is designed. By setting a reinforcement frame and a sealing frame on the side of the fire door frame, and using the cooperation of the support plate, positioning plate and limiting plate, sealing protection between the fire door frame and the fire door body is achieved.
Through the tight fit of the reinforcement frame and the sealing frame, the positioning fit of the support plate and the positioning plate, and the locking effect of the limiting plate, the sealing and safety of the fire door are significantly improved, and the problem of aging of the seal strip is avoided.
Smart Images

Figure CN222501546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fireproof doors, in particular to a sealed fireproof door. Background Art
[0002] A fire door usually refers to a door that, together with its frame, can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. Fire doors are usually installed on fire partition walls, as well as evacuation stairwells, vertical shafts, etc., to prevent the spread of fire and smoke and to evacuate personnel.
[0003] The fireproof door in the prior art usually includes a fireproof door frame, a fireproof door body, a fireproof handle, fireproof glass and fireproof hinges. The fireproof door body is connected to the fireproof door frame by a fireproof hinge, the fireproof handle is located on the fireproof door body, and the fireproof glass is embedded in the fireproof door body. When the fireproof door body is used, the fireproof handle is turned to push the fireproof door body to rotate, and then the fireproof door body is opened for fire escape.
[0004] A sealing strip is usually installed between the fire door body and the fire door frame to seal the fire door. However, after being used externally for a long time, the sealing strip will age and cannot be replaced in time. During the waiting period for replacement, the sealing effect of the fire door body will be affected in the event of an emergency. It is not convenient to reinforce the sealing protection between the fire door body and the fire door frame, and there are certain limitations. Utility Model Content
[0005] The purpose of the utility model is to provide a sealed fireproof door to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solution: a sealed fire door, comprising:
[0007] A fireproof door frame, wherein the fireproof door body is rotatably connected inside the fireproof door frame;
[0008] The side of the fireproof door frame is provided with a protection mechanism for enclosing the connection between the fireproof door frame and the fireproof door body, and the protection mechanism includes:
[0009] A reinforcement frame, wherein the reinforcement frame is located on the side of the fire door frame;
[0010] A sealing frame, wherein the sealing frame is slidably disposed on the reinforcement frame, and the sealing frame and the reinforcement frame are used to provide sealing protection between the fireproof door frame and the fireproof door body;
[0011] A support plate, the support plate is located outside the reinforcement frame, and the support plate is used to support the installation position of the reinforcement frame;
[0012] A positioning plate, the positioning plate is slidably disposed on the support plate, and the positioning plate is used to position the installation of the support plate;
[0013] The limiting plate is slidably arranged on the supporting plate, and is used to lock the relative position of the supporting plate and the positioning plate.
[0014] Preferably, the sealing frame is fixedly connected to the side of the fire door body, a square groove is opened on the side of the reinforcement frame, the sealing frame is slidably and interlacedly connected to the inner cavity of the square groove, and the side of the support plate is fixedly connected to the fire door frame.
[0015] Preferably, the exterior of the reinforcement frame is fixedly connected to the support plate, the side of the fireproof door frame is fixedly connected with a positioning column, the side of the reinforcement frame is provided with a positioning groove, and the positioning column is slidably and interlacedly connected with the inner cavity of the positioning groove.
[0016] Preferably, a mounting groove is provided on the side of the support plate, the positioning plate is slidably and interlacedly connected with the inner cavity of the mounting groove, an operating plate for pulling the limiting plate to slide is provided on the side of the support plate, and the side of the operating plate is fixedly connected to the limiting plate.
[0017] Preferably, a first sliding groove is provided on the side of the support plate, a limiting groove is provided on the side of the positioning plate, the limiting plate is slidably and interlacedly connected with the inner cavity of the first sliding groove and the limiting groove, and a card groove is provided on the side of the limiting plate.
[0018] Preferably, a second slide groove is provided on the front side of the support plate, and a clip plate for locking the installation position of the limit plate is slidably provided in the inner cavity of the second slide groove, and the clip plate is slidably and interlacedly connected with the inner cavity of the second slide groove, and an operating frame for pulling the clip plate to move is provided on the front side of the fireproof door frame, and the side of the operating frame is fixedly connected to the clip plate.
[0019] Preferably, a sliding groove is provided on the side of the inner wall of the second sliding groove, and a sliding plate for driving the clamping plate to slide is fixedly connected to the side of the clamping plate, and the sliding plate is slidably and interlacedly connected to the inner cavity of the sliding groove, and a fixing rod is fixedly connected to the side of the inner wall of the sliding groove, and the outer wall of the fixing rod is slidably and interlacedly connected to the sliding plate.
[0020] Preferably, a through groove is opened on the side of the inner wall of the sliding groove, a bearing plate is embedded in the inner cavity of the through groove, and the outer wall of the fixing rod is sleeved with a spring for driving the sliding plate to move, one end of the spring is fixedly connected to the sliding plate, and the other end of the spring is in contact with the bearing plate.
[0021] Technical effects and advantages of the utility model:
[0022] The utility model utilizes the mutual cooperation of the fireproof door frame, the fireproof door body, the reinforcement frame, the sealing frame, the support plate, the positioning plate, the limit plate and the operating plate; the fireproof door body is connected to the reinforcement frame through the sealing frame, the sealing frame and the reinforcement frame are tightly fitted, the support plate and the positioning plate are used to position the reinforcement frame for installation, and the limit plate is used to limit the relative position of the positioning plate and the support plate, which is beneficial to reinforce the sealing protection between the fireproof door frame and the fireproof door body, so as to increase the sealing performance of the fireproof door body and improve the safety of the fireproof door. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0024] Figure 2 It is a schematic diagram of the top structure of the reinforcement frame of the utility model.
[0025] Figure 3 It is a schematic diagram of the top cross-sectional structure of the reinforcement frame of the utility model.
[0026] Figure 4 It is a schematic diagram of the top cross-sectional structure of the support plate of the utility model.
[0027] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.
[0028] Figure 6 It is a structural schematic diagram of the operation frame of the utility model.
[0029] In the figure: 1. Fire door frame; 2. Fire door body; 3. Protection mechanism; 31. Reinforcement frame; 32. Sealing frame; 33. Support plate; 34. Positioning plate; 35. Limiting plate; 36. Operating plate; 37. Snap-on plate; 38. Operating frame; 39. Load-bearing plate; 310. Sliding plate; 311. Fixing rod; 312. Spring; 4. Positioning column. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] The utility model provides Figure 1-6 A sealed fireproof door shown includes a fireproof door frame 1, and a fireproof door body 2 is rotatably connected to the interior of the fireproof door frame 1.
[0032] Furthermore, a protection mechanism 3 for enclosing the connection between the fire door frame 1 and the fire door body 2 is provided on the side of the fire door frame 1. The protection mechanism 3 includes a reinforcement frame 31, a sealing frame 32, a support plate 33, a positioning plate 34 and a limit plate 35. The reinforcement frame 31 is arranged in a mouth shape. The reinforcement frame 31 is made of a fireproof material. The reinforcement frame 31 is conducive to cooperating with the sealing frame 32 to provide sealing protection between the fire door frame 1 and the fire door body 2. The fire door body 2 drives the sealing frame 32 to rotate so that the sealing The frame 32 is slidably connected to the reinforcement frame 31, and the outer part of the sealing frame 32 is tightly fitted with the inner wall of the groove above the reinforcement frame 31, which is conducive to increasing the sealing of the connection between the fire door frame 1 and the fire door body 2. There are two sealing frames 32, and both are U-shaped. The two sealing frames 32 are respectively located on the fire door body 2. The sealing frame 32 is conducive to tightly fitting with the reinforcement frame 31 after the fire door body 2 is rotated, which is conducive to sealing protection between the fire door frame 1 and the fire door body 2, which is convenient for increasing the fire door Sealing, there are multiple support plates 33, which are respectively located at the top and bottom and both sides of the reinforcement frame 31, the support plates 33 are conducive to supporting the installation of the reinforcement frame 31, the positioning plates 34 are conducive to positioning the installation of the support plates 33, and the limiting plates 35 are conducive to limiting the relative positions of the support plates 33 and the positioning plates 34, thereby facilitating the installation and disassembly of the reinforcement frame 31, so as to remove and replace the reinforcement frame 31. The reinforcement frame 31 is located on the side of the fireproof door frame 1, and the sealing frame 3 2 is slidably arranged on the reinforcement frame 31, the sealing frame 32 and the reinforcement frame 31 are used to seal and protect the fire door frame 1 and the fire door body 2, the support plate 33 is located outside the reinforcement frame 31, the support plate 33 is used to support the installation position of the reinforcement frame 31, the positioning plate 34 is slidably arranged on the support plate 33, the positioning plate 34 is used to position the installation of the support plate 33, and the limiting plate 35 is slidably arranged on the support plate 33, and the limiting plate 35 is used to lock the relative position of the support plate 33 and the positioning plate 34.
[0033] Specifically, the sealing frame 32 is fixedly connected to the side of the fire door body 2, and a square groove is opened on the side of the reinforcement frame 31, which is conducive to connecting with the sealing frame 32, and is convenient for connecting and supporting the sealing frame 32 after rotation. The sealing frame 32 is slidably inserted and connected with the inner cavity of the square groove, and the side of the support plate 33 is fixedly connected to the fire door frame 1. The outside of the reinforcement frame 31 is fixedly connected to the support plate 33. The side of the fire door frame 1 is fixedly connected with a positioning column 4, which is conducive to connecting with the reinforcement frame 31, and then facilitating the positioning of the installation of the reinforcement frame 31. In order to increase the installation stability of the support plate 33 and the reinforcement frame 31, a positioning groove is opened on the side of the reinforcement frame 31, and the positioning column 4 is slidably and interlacedly connected with the inner cavity of the positioning groove; an installation groove is opened on the side of the support plate 33, and the positioning plate 34 is slidably and interlacedly connected with the inner cavity of the installation groove; an operating plate 36 for pulling the limiting plate 35 to slide is provided on the side of the support plate 33, which is conducive to pulling the limiting plate 35 and facilitating this operation, so that the limiting plate 35 is connected or disconnected with the positioning plate 34, and the side of the operating plate 36 is fixedly connected to the limiting plate 35.
[0034] Specifically, a first slide groove is provided on the side of the support plate 33, a limiting groove is provided on the side of the positioning plate 34, the limiting plate 35 is slidably connected with the inner cavity of the first slide groove and the limiting groove, a card slot is provided on the side of the limiting plate 35, a second slide groove is provided on the front of the support plate 33, and a snap plate 37 for locking the installation position of the limiting plate 35 is slidably provided in the inner cavity of the second slide groove, and a slope is provided on the side of the snap plate 37, which is conducive to limiting the position of the limiting plate 35 to avoid limiting The random sliding of the positioning plate 35 facilitates the installation and removal of the reinforcement frame 31. The clamping plate 37 is slidably and interlacedly connected with the inner cavity of the second slide groove. The front of the fire door frame 1 is provided with an operating frame 38 for pulling the clamping plate 37 to move. The operating frame 38 is U-shaped, which is conducive to pulling multiple clamping plates 37 to move, and is convenient for pulling the clamping plates 37. The side of the operating frame 38 is fixedly connected to the clamping plate 37. The side of the inner wall of the second slide groove is provided with a sliding groove. The cam 312 is a block diagram of a method for activating the cam 310 of the present invention, which is convenient for the user to operate the cam 310 and to operate the cam 310 in a controlled manner.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A sealed fire door, comprising: A fireproof door frame (1), wherein the fireproof door body (2) is rotatably connected inside the fireproof door frame (1); The invention is characterized in that a protection mechanism (3) for enclosing the connection between the fireproof door frame (1) and the fireproof door body (2) is provided on the side of the fireproof door frame (1), and the protection mechanism (3) comprises: A reinforcement frame (31), wherein the reinforcement frame (31) is located on a side of the fireproof door frame (1); A sealing frame (32), wherein the sealing frame (32) is slidably disposed on the reinforcement frame (31), and the sealing frame (32) and the reinforcement frame (31) are used to provide sealing protection between the fireproof door frame (1) and the fireproof door body (2); A support plate (33), the support plate (33) being located outside the reinforcement frame (31), and the support plate (33) being used to support the installation position of the reinforcement frame (31); A positioning plate (34), wherein the positioning plate (34) is slidably disposed on the support plate (33), and the positioning plate (34) is used to position the installation of the support plate (33); A limiting plate (35), wherein the limiting plate (35) is slidably disposed on the supporting plate (33), and the limiting plate (35) is used to lock the relative position of the supporting plate (33) and the positioning plate (34).
2. A sealed fire door according to claim 1, characterized in that: The sealing frame (32) is fixedly connected to the side of the fireproof door body (2), a square groove is provided on the side of the reinforcement frame (31), the sealing frame (32) is slidably connected to the inner cavity of the square groove, and the side of the support plate (33) is fixedly connected to the fireproof door frame (1).
3. A sealed fire door according to claim 1, characterized in that: The exterior of the reinforcement frame (31) is fixedly connected to the support plate (33), the side of the fireproof door frame (1) is fixedly connected with a positioning column (4), the side of the reinforcement frame (31) is provided with a positioning groove, and the positioning column (4) is slidably inserted and connected with the inner cavity of the positioning groove.
4. A sealed fire door according to claim 1, characterized in that: The side of the support plate (33) is provided with a mounting groove, the positioning plate (34) is slidably connected with the inner cavity of the mounting groove, and the side of the support plate (33) is provided with an operating plate (36) for pulling the limiting plate (35) to slide, and the side of the operating plate (36) is fixedly connected with the limiting plate (35).
5. A sealed fire door according to claim 1, characterized in that: The side of the support plate (33) is provided with a first sliding groove, the side of the positioning plate (34) is provided with a limiting groove, the limiting plate (35) is slidably connected with the inner cavity of the first sliding groove and the limiting groove, and the side of the limiting plate (35) is provided with a clamping groove.
6. A sealed fire door according to claim 1, characterized in that: A second slide groove is provided on the front side of the support plate (33), and a snap-in plate (37) for locking the installation position of the limit plate (35) is slidably provided in the inner cavity of the second slide groove, and the snap-in plate (37) is slidably connected with the inner cavity of the second slide groove. An operating frame (38) for pulling the snap-in plate (37) to move is provided on the front side of the fireproof door frame (1), and the side of the operating frame (38) is fixedly connected with the snap-in plate (37).
7. A sealed fire door according to claim 6, characterized in that: A sliding groove is provided on the side of the inner wall of the second sliding groove, and a sliding plate (310) is fixedly connected to the side of the clamping plate (37) for driving the clamping plate (37) to slide, and the sliding plate (310) is slidably connected to the inner cavity of the sliding groove, and a fixing rod (311) is fixedly connected to the side of the inner wall of the sliding groove, and the outer wall of the fixing rod (311) is slidably connected to the sliding plate (310).
8. A sealed fire door according to claim 7, characterized in that: A through groove is provided on the side of the inner wall of the sliding groove, a bearing plate (39) is embedded in the inner cavity of the through groove, and a spring (312) for driving the sliding plate (310) to move is sleeved on the outer wall of the fixing rod (311), one end of the spring (312) is fixedly connected to the sliding plate (310), and the other end of the spring (312) is in contact with the bearing plate (39).