Fireproof door and mounting structure thereof
By designing the connecting block, mounting shell, and adjustment unit structure of the fire door, the problem of inconvenient adjustment of the fire door was solved, enabling rapid adjustment and improving sealing and protective effects.
Patent Information
- Application Number
- CN202520057253.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Adjusting the hinges of existing fire doors is inconvenient during installation or after prolonged use, affecting adjustment efficiency.
Design a fire door and its installation structure, which adopts a connecting block, a mounting shell, an adjusting block and an adjusting unit. The position of the connecting block in the mounting shell is adjusted by the adjusting unit to realize the rapid adjustment of the door panel, and the protective effect is improved by the support ring and the fireproof layer.
It enables rapid adjustment of fire doors and improves their sealing and protective effects, enhancing the convenience of adjustment and overall protective performance.
Smart Images

Figure CN223767402U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire door technology, and in particular to a fire door and its installation structure. Background Technology
[0002] Fire doors are doors that can meet the requirements of fire resistance stability, integrity, and thermal insulation within a certain period of time. They are fire-resistant partitions with a certain degree of fire resistance, installed in fire-resistant compartments, evacuation stairwells, vertical shafts, and other similar locations.
[0003] Fire doors are specifically designed to isolate fire sources in buildings and play a vital role in fire prevention. In the event of a fire, people can use fire doors to escape.
[0004] During installation, fire doors often require adjustments to the door panel, either as needed or after prolonged use. These adjustments necessitate opening the fire door to adjust or reinstall the connecting hinges, which is inconvenient and affects the efficiency of door adjustment. Therefore, we propose a fire door and its installation structure to solve these problems. Utility Model Content
[0005] The purpose of this utility model is to solve the shortcomings of existing fire doors, which require adjustments to the door panel during installation or after long-term use. These adjustments require opening the fire door to adjust or reinstall the connecting hinges, which is inconvenient and affects the adjustment efficiency of the fire door. Therefore, this utility model proposes a fire door and its installation structure.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] Design a fire door and its installation structure, including a door frame and two door panels, the two door panels being located inside the door frame, and further comprising:
[0008] Several connecting blocks are evenly distributed and rotatably connected to the door panel via hinges;
[0009] A plurality of mounting shells are provided, a connecting plate is mounted on the rear side of each mounting shell, a connecting block is slidable between the inner side of the mounting shell and the connecting plate, and a plurality of mounting slots are provided on the inner side of the door frame, and the mounting shells can be installed in the inner side of the mounting slots;
[0010] Several adjusting blocks are provided, and two of the connecting blocks are provided with adjusting grooves on the upper and lower sides, and the adjusting blocks can slide inside the adjusting grooves;
[0011] Several adjustment units are located between the adjustment block and the mounting housing.
[0012] Preferably, the adjustment unit includes two adjustment bolts, a driving block is fixed on the side of the adjustment block away from the connecting block, an auxiliary block is provided on the side of the adjustment block facing the door panel, the auxiliary block is fixedly connected to the connecting block, a threaded hole is provided on one side of the driving block, the adjustment bolt is connected to the inner side of the threaded hole through threaded engagement, two A through holes are provided on both the front and rear sides of the mounting shell, the adjustment bolt is rotatably connected to the inner side of the A through holes, and several auxiliary holes are provided on the rear side of the door frame, the auxiliary holes communicate with the mounting groove, and the adjustment bolt can rotate inside the auxiliary holes.
[0013] By adopting the above technical solution, the adjustment unit can adjust the position of the adjustment block, thereby adjusting the position of the connecting block inside the mounting shell, and realizing the rapid adjustment of the door panel.
[0014] Preferably, the mounting housing has a positioning groove on its inner side, a positioning plate is fixed on one side of the connecting block, the positioning plate can slide inside the positioning groove, two guide strips are fixed on the side of the driving block away from the connecting block, a limit strip slides on the inner side of the two guide strips, a support strip is fixed on the side of the limit strip away from the connecting block, and the support strip is fixedly connected to the inner side of the mounting housing.
[0015] By adopting the above technical solutions, the support strip, limit strip, and guide strip make the operation of the adjustment unit more stable.
[0016] A fire door includes two fire door cores, and further includes an installation structure for the fire door as described in any one of claims 1-3:
[0017] Two support rings, with the fireproof door core installed inside the support rings;
[0018] The fireproof layer is a cavity inside the door panel, and it wraps around the support ring, the outer side of the fireproof door core, and the inner side of the cavity.
[0019] Preferably, a through hole is provided on one side of the fireproof layer, and an installation block is provided inside the through hole. The installation block is fixedly connected to the support ring and the door panel.
[0020] By adopting the above technical solution, the mounting block facilitates the installation of door locks.
[0021] Preferably, the door panel is provided with a sealing strip A on the rear side, and a driving plate is installed on the rear side of the sealing strip A. The driving plate is rotatably connected to the rear side of the door frame by a torsion spring.
[0022] By adopting the above technical solution, the A sealing strip improves the overall sealing performance of the fire door.
[0023] The fire door and its installation structure proposed in this utility model have the following advantages:
[0024] 1. By setting up connecting blocks, mounting shells, adjusting blocks, and adjusting units, the door panel can be adjusted directly on one side of the door, and the adjustment range is large, which improves the convenience of adjusting the fire door.
[0025] 2. By setting fire door core, support ring, fireproof layer and mounting block, the fireproof layer has a larger overall area than the fire door core, which can improve the protective effect of the door. Attached Figure Description
[0026] Figure 1 This is a three-dimensional structural diagram of the front side of a fire door and its installation structure proposed in this utility model;
[0027] Figure 2 This is a front sectional three-dimensional structural diagram of a fire door and its installation structure proposed in this utility model;
[0028] Figure 3 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of area A in the middle;
[0029] Figure 4 The present utility model proposes Figure 2 A magnified three-dimensional structural diagram of a portion of area B in the middle section;
[0030] Figure 5 This is a three-dimensional cross-sectional view of the fire door and its installation structure proposed in this utility model.
[0031] Figure 6 The present utility model proposes Figure 5 A magnified three-dimensional structural diagram of a portion of the central C region.
[0032] In the diagram: 1. Door frame; 2. Door panel; 3. Connecting block; 4. Mounting shell; 5. Connecting plate; 6. Adjusting block; 7. Adjusting unit; 71. Adjusting bolt; 72. Driving block; 73. Auxiliary block; 74. Positioning plate; 75. Guide strip; 76. Limiting strip; 77. Support strip; 8. Fireproof door core; 9. Support ring; 10. Fireproof layer; 11. Mounting block; 13. A sealing strip; 14. Driving plate. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0034] Reference Figure 1-6A fire door and its installation structure include a door frame 1 and two door panels 2, the two door panels 2 being located inside the door frame 1, and also include: a plurality of connecting blocks 3, a plurality of mounting shells 4, a plurality of adjusting blocks 6, and a plurality of adjusting units 7.
[0035] The inner side of the door frame 1 is provided with several mounting slots. The mounting shell 4 can be installed inside the mounting slots. A connecting plate 5 is installed on the rear side of the mounting shell 4. The connecting block 3 can slide between the inner side of the mounting shell 4 and the connecting plate 5. Several connecting blocks 3 are evenly distributed and rotatedly connected to the door panel 2 through hinges.
[0036] Both connecting blocks 3 have adjustment grooves on their upper and lower sides, and the adjustment block 6 can slide inside the adjustment grooves;
[0037] The adjustment unit 7 is located between the adjustment block 6 and the mounting shell 4. The adjustment unit 7 includes two adjustment bolts 71. The mounting shell 4 has a positioning groove on its inner side. A positioning plate 74 is fixed to one side of the connecting block 3. The positioning plate 74 can slide inside the positioning groove. The positioning plate 74 guides and limits the movement of the connecting block 3, making the movement of the connecting block 3 more stable. A driving block 72 is fixed to the side of the adjustment block 6 away from the connecting block 3. An auxiliary block 73 is provided on the side of the adjustment block 6 facing the door panel 2. The auxiliary block 73 is fixedly connected to the connecting block 3. A threaded hole is provided on one side of the driving block 72. The adjustment bolts 71 are connected to the inner side of the threaded hole through threaded engagement. Two guide strips 75 are fixed to the side of the driving block 72 away from the connecting block 3. A limit strip 76 slides inside the two guide strips 75. A support strip 77 is fixed to one side of the connecting block 3. The support strip 77 is fixedly connected to the inside of the mounting shell 4. The guide strip 75 and the limiting strip 76 guide and limit the movement of the adjusting block 6, making the movement of the block 6 more stable. There are two A through holes on the front and rear sides of the mounting shell 4. The adjusting bolt 71 is rotatably connected to the inside of the A through hole. There are several auxiliary holes on the rear side of the door frame 1. The auxiliary holes are connected to the mounting groove. The adjusting bolt 71 can rotate inside the auxiliary hole. By rotating the adjusting bolt 71, the adjusting block 6 can move in the adjusting groove, so that the contact surface between the adjusting block 6 and the adjusting groove is inclined. By adjusting the position of the adjusting blocks 6 on the upper and lower sides of the connecting block 3, the position of the connecting block 3 in the mounting shell 4 can be adjusted, so that the connecting block 3 moves with the door panel 2, realizing the rapid adjustment of the door panel 2.
[0038] A fire door includes two fire door cores 8, and also includes an installation structure for the fire door according to any one of claims 1-3: two support rings 9 and a fireproof layer 10;
[0039] Fire door core 8 is installed inside the support ring 9;
[0040] The inner side of the door panel 2 is a cavity. The fireproof layer 10 is wrapped around the outside of the support ring 9 and the fireproof door core 8 and the inside of the cavity. The fireproof layer 10 can increase the protection area and improve the fireproof effect of the fire door. A through hole is provided on one side of the fireproof layer 10. An installation block 11 is provided inside the through hole. The installation block 11 is fixedly connected to the support ring 9 and the door panel 2. The installation block 11 facilitates the installation of the door lock. The front side of the door panel 2 has two front plates of different widths to assist the door panel 2 in closing, etc.
[0041] A sealing strip 13 is provided on the rear side of the door panel 2. A driving plate 14 is installed on the rear side of the sealing strip 13. The driving plate 14 is rotatably connected to the rear side of the door frame 1 through a torsion spring. The sealing strip 13 improves the overall sealing performance of the fire door.
[0042] In the description of this patent, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two components. For those skilled in the art, the specific meaning of the above terms in this patent can be understood according to the specific circumstances.
[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A mounting structure of a fire door comprising a door frame (1) and two door panels (2), the two door panels (2) being located inside the door frame (1), characterized in that, Also include: A plurality of connecting blocks (3), a plurality of the connecting blocks (3) are uniformly distributed with the door panel (2) through the hinge to rotate connected; A plurality of installation shell (4), so the rear side of the installation shell (4) is provided with a connecting plate (5), the connecting block (3) can be slidably arranged between the inside of the installation shell (4) and the connecting plate (5), the inside of the door frame (1) is provided with a plurality of installation slot, the installation shell (4) can be installed in the inside of the installation slot; A plurality of adjusting block (6), both sides of the two connecting blocks (3) are provided with adjusting slot, the adjusting block (6) can be slidably arranged in the adjusting slot; A plurality of adjusting unit (7), the adjusting unit (7) is located between the adjusting block (6) and the installation shell (4).
2. The fire door mounting structure of claim 1, wherein The adjusting unit (7) includes two adjusting bolts (71), the adjusting block (6) is fixed with a driving block (72) away from one side of the connecting block (3), the adjusting block (6) is provided with an auxiliary block (73) facing one side of the door panel (2), the auxiliary block (73) is fixedly connected between the connecting block (3), one side of the driving block (72) is provided with a threaded hole, the adjusting bolt (71) is in threaded engagement with the inside of the threaded hole, both sides of the installation shell (4) are provided with two A through holes, the adjusting bolt (71) is rotatably connected with the inside of the A through hole, the rear side of the door frame (1) is provided with a plurality of auxiliary holes, the auxiliary hole is communicated with the installation slot, the adjusting bolt (71) can be rotatably arranged in the inside of the auxiliary hole.
3. A fire door mounting structure according to claim 2, wherein The inside of the installation shell (4) is provided with a positioning slot, one side of the connecting block (3) is fixedly provided with a positioning plate (74), the positioning plate (74) can be slidably arranged in the inside of the positioning slot, the driving block (72) is fixedly provided with two guide strips (75) away from one side of the connecting block (3), the inside of the two guide strips (75) is slidably provided with a limiting strip (76), the limiting strip (76) is fixedly provided with a supporting strip (77) away from one side of the connecting block (3), the supporting strip (77) is fixedly connected with the inside of the installation shell (4).
4. A fire door comprising two fire door cores (8), characterized in that Also include the mounting structure of the fireproof door in any one of claims 1-3: Two support rings (9), the fireproof door core (8) is installed in the inside of the support ring (9); Fireproof layer (10), the inside of the door panel (2) is a cavity, the fireproof layer (10) is wrapped outside the support ring (9), the fireproof door core (8) and the inside of the cavity.
5. A fire door according to claim 4, wherein, One side of the fireproof layer (10) is provided with a through hole, the inside of the through hole is provided with an installation block (11), the installation block (11) is fixedly connected between the support ring (9) and the door panel (2).
6. A fire door according to claim 4, wherein, The rear side of the door panel (2) is provided with an A sealing strip (13), the rear side of the A sealing strip (13) is provided with a driving plate (14), the driving plate (14) is rotatably connected with the rear side of the door frame (1) through the torsional spring.