Firmly-attached durable fireproof door

Abstract

The utility model relates to the technical field of fire prevention, in particular to a firmly-attached durable fireproof door which comprises a door shell, a door closing assembly is fixedly connected to the top end of the front face of the door shell, an induction assembly is fixedly connected to the side, close to a sub-door, of the front face of a door frame, and a rectangular opening is formed in one side of the bottom end of the sub-door. The inner wall of the rectangular opening is slidably connected with an adjusting buckle. Through the arrangement of the door shell, the door frame, the sub-door, the rectangular opening, the adjusting buckle, the adjusting tooth, the fixing tooth, the plug pin and the inserting groove, when the door is used, a worker enables the top end of the door shell to be fixedly connected with the door closing assembly, the sub-door is fixedly connected with the door frame through a hinge, one side of the sub-door is provided with the rectangular opening, and the bottom end of the fixing tooth is fixedly connected with the plug pin; the inserting groove is fixedly connected to the door frame close to the bottom end of the bolt, the front face of the adjusting tooth is fixedly connected with the adjusting buckle, the adjusting buckle is pulled up and down to drive the adjusting tooth, the adjusting tooth moves up and down on the fixing tooth, the fixing tooth drives the bolt to be clamped into the inserting groove, and therefore the effect of fixing the sub-door is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire prevention, in particular to a durable fireproof door which is firmly fitted. Background Art

[0002] Fire doors are a type of door, so their function is like that of ordinary doors, with the function of separation and protection. However, fire doors are different from other doors in that they can prevent the spread of fire and smoke, and can prevent the spread of fire within a certain period of time to ensure the evacuation of personnel. If fire doors are installed, they play an important role in suppressing the spread of fire and protecting the safe evacuation of personnel in the event of a fire.

[0003] A firmly closed fire door disclosed in the Chinese utility model patent application with announcement number CN208934573U is intended to solve the problem of smoke and dust penetrating from the gap between the fire door and the ground when a fire occurs. The key points of its technical solution are: a firmly closed fire door, including a door frame, two door panels connected to the door frame by hinge rotation, a door bolt connecting the two door panels, a door closer connected between the door panel and the door frame, and a hinge connecting the door panel and the door frame, wherein a groove is provided at the bottom of the door panel, and limit grooves are provided on both sides of the groove; an abutment plate is provided in the groove, and limit blocks are provided on both sides of the abutment plate, and a cylinder is provided between the abutment plate and the groove, and the piston rod of the cylinder moves along the length direction of the door panel. The utility model uses the design of the abutment plate so that when the temperature is high, the abutment plate blocks the gap between the fire door and the ground under the push of the cylinder, thereby achieving the purpose of isolating smoke and dust.

[0004] However, the device also lacks the function of fixing the sub-door. When using it, it may be inconvenient to fix the door. Not only that, the device also lacks the function of an observation window. When using it, it may be inconvenient to observe the status inside the door. Utility Model Content

[0005] The purpose of the utility model is to provide a durable fireproof door that fits firmly, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A durable fireproof door that fits firmly comprises a door shell, a door closing assembly is fixedly connected to the top of the front face of the door shell, a door frame is hinged to one side of the outer surface of the door shell by a hinge, a sub-door is hinged to the inner side of the door frame by a hinge, a sensing assembly is fixedly connected to the side of the front face of the door frame close to the sub-door, a rectangular opening is provided on one side of the bottom end of the sub-door, an adjusting buckle is slidably connected to the inner wall of the rectangular opening, an adjusting tooth is fixedly connected to the front face of the adjusting buckle, the adjusting tooth is clamped to the outer surface of the fixing tooth, the fixing tooth is fixedly connected to the inner wall of the rectangular opening, a latch is fixedly connected to the bottom end of the adjusting tooth, and a slot is provided on the inner bottom wall of the door frame; a handle assembly is fixedly connected to one side of the front face of the door shell, a window is provided on the front face of the door shell, a fireproof glass is fixedly connected to the inner wall of the window, and a sealing ring is fixedly connected to the outer surface of the fireproof glass.

[0008] Preferably, the door closing assembly includes a rotating shaft, a fixed plate, a support frame, a first screw, a fixed support and a hydraulic adjustment column. The middle of the support frame is rotatably connected by a rotating shaft, the bottom end of the support frame is fixedly connected to the inner wall of the fixed support, and the top end of the support frame is fixedly connected to the upper surface of the hydraulic adjustment column by a first screw.

[0009] Preferably, the sensing component comprises a sensing block, an air inlet and an alarm light, the air inlet is provided in the middle of the sensing block, one side of the upper surface of the sensing block is fixedly connected to an alarm light, and the sensing block is fixedly connected to one side of the door frame.

[0010] Preferably, the handle assembly includes a door handle, a limiting plate, a lock tongue, a buckle, a counter lock buckle and a second screw. The door handle is fixedly connected to the front side of the door shell close to the long baffle, the limiting plate is fixedly connected to the side of the door shell by the second screw, the inner wall of the limiting plate is slidably connected with a lock tongue and a buckle, and the counter lock buckle is fixedly connected to the back side of the door shell.

[0011] Preferably, a long baffle is fixedly connected to one side of the door shell, and a sealing layer is fixedly connected to the inner wall of the long baffle.

[0012] Preferably, a card plate is fixedly connected to one side of the sub-door, and a patch is fixedly connected to the upper surface of the card plate.

[0013] Preferably, a clamping block is fixedly connected to the inner wall of the door shell, and a fireproof layer is fixedly connected to one side of the clamping block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A durable fireproof door that fits firmly is provided with a door shell, a door frame, a sub-door, a rectangular opening, an adjusting buckle, an adjusting tooth, a fixing tooth, a latch and a slot. When in use, a staff member fixes the top of the door shell to a door closing assembly, and the sub-door is fixedly connected to the door frame through a hinge. A rectangular opening is provided on one side of the sub-door, and the bottom end of the fixing tooth is fixedly connected to the latch, and the door frame is fixedly connected to the slot near the bottom end of the latch, and the front side of the adjusting tooth is fixedly connected to the adjusting buckle. The adjusting buckle is pulled up and down to drive the adjusting tooth, and the adjusting tooth moves up and down on the fixing tooth, and the fixing tooth drives the latch to get stuck in the slot, thereby achieving the function of fixing the sub-door.

[0016] 2. This is a durable fire door that fits firmly. Through the setting of windows, fireproof glass and sealing rings, when in use, the staff will open a window in the middle of the front of the door shell, and then fix the fireproof glass on the inner wall of the window, and use a sealing ring made of fireproof material to seal the connection, so as to facilitate observation of the situation inside the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the fireproof glass and sealing ring structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the long baffle and sealing layer structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the card block and the fireproof layer of the utility model;

[0020] Figure 4 It is a schematic diagram of the adjusting buckle, adjusting teeth and fixing teeth of the utility model.

[0021] In the figure: 1. door shell; 2. door closing assembly; 201. rotating shaft; 202. fixing plate; 203. supporting frame; 204. first screw; 205. fixing support; 206. hydraulic adjustment column; 3. door frame; 4. sub-door; 5. sensing assembly; 501. sensing block; 502. air inlet; 503. alarm light; 6. rectangular opening; 7. adjusting buckle; 8. adjusting tooth; 9. fixing tooth; 10. latch; 12. slot; 13. handle assembly; 1301. door handle; 1302. limiting plate; 1303. lock tongue; 1304. buckle; 1305. anti-lock buckle; 14. window; 15. fireproof glass; 16. sealing ring; 17. long baffle; 18. sealing layer; 19. card board; 20. patch; 21. card block; 22. fireproof layer. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention;

[0023] See also Figure 1-Figure 4As shown, a technical solution provided by the utility model:

[0024] A durable fireproof door that fits firmly comprises a door shell 1, a door closing assembly 2 is fixedly connected to the top of the front face of the door shell 1, a door frame 3 is hingedly connected to one side of the outer surface of the door shell 1 through a hinge, a sub-door 4 is hingedly connected to the inner side of the door frame 3 through a hinge, a sensing assembly 5 is fixedly connected to the side of the front face of the door frame 3 close to the sub-door 4, a rectangular opening 6 is provided on one side of the bottom end of the sub-door 4, an adjusting buckle 7 is slidably connected to the inner wall of the rectangular opening 6, an adjusting tooth 8 is fixedly connected to the front face of the adjusting buckle 7, the adjusting tooth 8 is clamped to the outer surface of the fixing tooth 9, the fixing tooth 9 is fixedly connected to the inner wall of the rectangular opening 6, a latch 10 is fixedly connected to the bottom end of the adjusting tooth 8, a slot 12 is provided on the inner bottom wall of the door frame 3, and a screw thread 12 is provided on the inner bottom wall of the door frame 3. The door shell 1, the door frame 3, the sub-door 4, the rectangular opening 6, the adjustment buckle 7, the adjustment tooth 8, the fixed tooth 9, the latch 10 and the slot 12 are arranged. When in use, the staff fixes the top of the door shell 1 to the door closing assembly 2, and the sub-door 4 is fixedly connected to the door frame 3 through a hinge. A rectangular opening 6 is opened on one side of the sub-door 4, and the bottom end of the fixed tooth 9 is fixedly connected to the latch 10, and the slot 12 is fixedly connected near the bottom end of the latch 10 of the door frame 3, and the front side of the adjustment tooth 8 is fixedly connected to the adjustment buckle 7, and the adjustment buckle 7 is pulled up and down to drive the adjustment tooth 8, and the adjustment tooth 8 moves up and down on the fixed tooth 9, and the fixed tooth 9 drives the latch 11 to get stuck in the slot 12, thereby achieving the function of fixing the sub-door 4;

[0025] A handle assembly 13 is fixedly connected to one side of the front of the door shell 1, a window 14 is opened on the front of the door shell 1, a fireproof glass 15 is fixedly connected to the inner wall of the window 14, and a sealing ring 16 is fixedly connected to the outer surface of the fireproof glass 15. Through the arrangement of the window 14, the fireproof glass 15 and the sealing ring 16, when in use, the staff opens the window 14 in the middle of the front of the door shell 1, and then fixes the fireproof glass 15 to the inner wall of the window 14, and uses the sealing ring 16 of fireproof material to seal a circle at the connection, thereby achieving the effect of conveniently observing the situation inside the door;

[0026] In the present embodiment, preferably, the door closing assembly 2 comprises a rotating shaft 201, a fixing plate 202, a support frame 203, a first screw 204, a fixing support 205 and a hydraulic adjustment column 206. The middle of the support frame 203 is rotatably connected by the rotating shaft 201, the bottom end of the support frame 203 is fixedly connected to the inner wall of the fixing support 205, and the top end of the support frame 203 is fixedly connected to the upper surface of the hydraulic adjustment column 206 by the first screw 204. By setting the rotating shaft 201, the fixing plate 202, the support frame 203, the first screw 204, the fixing support 205 and the hydraulic adjustment column 206, when in use, the staff rotates and connects the middle of the support frame 203 through the rotating shaft 201, and then fixes the fixing support 205 to the top of the door frame 3 through the first screw 204, and rotatably connects one end of the support frame 203 to the top of the hydraulic adjustment column 206. After opening the door, the support column 203 is adjusted by the hydraulic adjustment column 206 to pull the door shell 1 back to the closed state, thereby achieving the effect of convenient door closing;

[0027] In this embodiment, preferably, the sensing component 5 includes a sensing block 501, an air inlet 502 and an alarm light 503. The sensing block 501 is provided with an air inlet 502 in the middle, and an alarm light 503 is fixedly connected to one side of the upper surface of the sensing block 501. The sensing block 501 is fixedly connected to one side of the door frame 3. Through the arrangement of the sensing block 501, the air inlet 502 and the alarm light 503, when in use, the staff opens the air inlet 502 and the alarm light 503 on the front of the sensing block 501, smoke enters the air inlet 502 of the sensing block 501, and the sensing block 501 turns on the alarm light 503 after sensing the smoke, thereby achieving the effect of fire warning;

[0028] In this embodiment, preferably, the handle assembly 13 includes a door handle 1301, a limiting piece 1302, a lock tongue 1303, a buckle 1304, an anti-lock buckle 1305 and a second screw 1306. The door handle 1301 is fixedly connected to the side of the front side of the door shell 1 close to the long baffle 17, the limiting piece 1302 is fixedly connected to the side of the door shell 1 by the second screw 1306, the inner wall of the limiting piece 1302 is slidably connected with the lock tongue 1303 and the buckle 1304, and the anti-lock buckle 1305 is fixedly connected to the back side of the door shell 1. 305 and the second screw 1306 are set. When in use, the staff fixes the limiting plate 1302 to the middle of the upper surface of the long baffle 17 through the second screw 1306, the lock tongue 1303 and the buckle 1304 are respectively connected to the inner wall of the opening of the limiting plate 1302, the door handle 1301 is fixedly connected to the side of the door shell 1 near the limiting plate 1302 on the front side, and the reverse lock buckle 1305 is fixedly connected to the side of the door shell 1 near the limiting plate 1302 on the back side. The door handle 1301 controls the lock tongue 1303 to open and close the door, and the reverse lock buckle 1305 controls the extension and contraction of the buckle 1304, thereby achieving the function of conveniently opening and closing and locking the door;

[0029] In this embodiment, preferably, a long baffle 17 is fixedly connected to one side of the door shell 1, and a sealing layer 18 is fixedly connected to the inner wall of the long baffle 17. Through the arrangement of the long baffle 17 and the sealing layer 18, when in use, the staff opens the long baffle 17 on one side of the door shell 1, and then affixes the sealing layer 18 of the fireproof material on the upper surface of the long baffle 17, and then fixes the card plate 19 on one side of the sub-door 4. The card plate 19 can be sealed and fitted with the long baffle 17 of the door shell 1, thereby achieving the effect of preventing smoke from leaking out of the door during a fire;

[0030] In this embodiment, preferably, a card plate 19 is fixedly connected to one side of the sub-door 4, and a patch 20 is fixedly connected to the upper surface of the card plate 19. Through the arrangement of the sub-door 4 and the card plate 19, when in use, the staff fixes the card plate 19 to one side of the sub-door 4, and then fixes the patch 20 to the outer surface of the card plate 19, thereby achieving the function of closing and sealing the sub-door;

[0031] In the present embodiment, preferably, the inner wall of the door shell 1 is fixedly connected with a block 21, and one side of the block 21 is fixedly connected with a fireproof layer 22. Through the arrangement of the block 21 and the fireproof layer 22, when in use, the staff fixes the inner wall of the door shell 1 to the fireproof layer 22 made of perlite, and the blocks 21 are fixedly connected on both sides of the fireproof layer 22, thereby achieving the effect of facilitating the fixing of fireproof fillers on the fireproof door.

[0032] When the durable fireproof door of the present embodiment is firmly fitted, the staff fixes the top of the door shell 1 to the door closing assembly 2, and the sub-door 4 is fixedly connected to the door frame 3 by a hinge. A rectangular opening 6 is opened on one side of the sub-door 4, and the bottom end of the fixing tooth 9 is fixedly connected to the bolt 10, and the door frame 3 is fixedly connected to the slot 12 near the bottom end of the bolt 10, and the front of the adjusting tooth 8 is fixedly connected to the adjusting buckle 7, and the adjusting buckle 7 is pulled up and down to drive the adjusting tooth 8, and the adjusting tooth 8 moves up and down on the fixing tooth 9, and the fixing tooth 9 drives the bolt 11 to be stuck into the slot 12, and then, the limiting piece 1302 is fixedly connected to the middle of the upper surface of the long baffle 17 by the second screw 1306, and the lock tongue 1303 and the buckle 1304 are respectively clamped on the inner wall of the opening of the limiting piece 1302, and the door handle 1301 is fixedly connected to the side of the front of the door shell 1 near the limiting piece 1302, and then the reverse lock buckle 1305 is fixedly connected to the back of the door shell near the limiting piece On one side of the positioning piece 1302, the door handle 1301 controls the lock tongue 1303 to open and close the door, and the anti-lock buckle 1305 controls the extension and retraction of the buckle 1304. Smoke enters the air inlet 502 of the sensing block 501. After the sensing block 501 senses the smoke, the alarm light 503 is turned on, and then a long baffle 17 is opened on one side of the door shell 1, and then a sealing layer 18 of fireproof material is attached to the upper surface of the long baffle 17, and then a card plate 19 is opened on one side of the sub-door 4, and then the card plate 19 is fixedly connected to one side of the sub-door 4, and then the patch 20 is fixedly connected to the outer surface of the card plate 19, and the card plate 19 can be sealed and fitted to the long baffle 17 of the door shell 1. The staff fixedly connects the inner wall of the door shell 1 with a fireproof layer 22 made of perlite, and the two sides of the fireproof layer 22 are fixedly connected with card blocks 21. Then, a window 14 is opened in the middle of the front of the door shell 1, and then a fireproof glass 15 is fixed to the inner wall of the window 14, and a sealing ring 16 of fireproof material is used to seal the connection.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A durable fire door that fits securely, characterized by: The invention comprises a door shell (1), wherein a door closing assembly (2) is fixedly connected to the top of the front face of the door shell (1), a door frame (3) is hingedly connected to one side of the outer surface of the door shell (1) via a hinge, a sub-door (4) is hingedly connected to the inner side of the door frame (3) via a hinge, a sensing assembly (5) is fixedly connected to the side of the front face of the door frame (3) close to the sub-door (4), a rectangular opening (6) is provided on one side of the bottom end of the sub-door (4), an adjusting buckle (7) is slidably connected to the inner wall of the rectangular opening (6), an adjusting tooth (8) is fixedly connected to the front face of the adjusting buckle (7), and the The adjusting tooth (8) is clamped on the outer surface of the fixing tooth (9), the fixing tooth (9) is fixedly connected to the inner wall of the rectangular opening (6), the bottom end of the adjusting tooth (8) is fixedly connected to a latch (10), and the inner bottom wall of the door frame (3) is provided with a slot (12); a handle assembly (13) is fixedly connected to one side of the front of the door shell (1), a window (14) is provided on the front of the door shell (1), a fireproof glass (15) is fixedly connected to the inner wall of the window (14), and a sealing ring (16) is fixedly connected to the outer surface of the fireproof glass (15).

2. A durable fireproof door that fits securely according to claim 1, characterized in that: The door closing assembly (2) comprises a rotating shaft (201), a fixing plate (202), a support frame (203), a first screw (204), a fixed support (205) and a hydraulic adjustment column (206); the middle of the support frame (203) is rotatably connected via the rotating shaft (201); the bottom end of the support frame (203) is fixedly connected to the inner wall of the fixed support (205); and the top end of the support frame (203) is fixedly connected to the upper surface of the hydraulic adjustment column (206) via the first screw (204).

3. A durable fireproof door that fits securely according to claim 1, characterized in that: The sensing component (5) comprises a sensing block (501), an air inlet (502) and an alarm light (503); the air inlet (502) is provided in the middle of the sensing block (501); the alarm light (503) is fixedly connected to one side of the upper surface of the sensing block (501); and the sensing block (501) is fixedly connected to one side of the door frame (3).

4. A durable fireproof door according to claim 1, characterized in that: The handle assembly (13) comprises a door handle (1301), a limiting plate (1302), a locking tongue (1303), a buckle (1304), an anti-lock buckle (1305) and a second screw (1306); the door handle (1301) is fixedly connected to a side of the front side of the door shell (1) close to the long baffle (17); the limiting plate (1302) is fixedly connected to one side of the door shell (1) via the second screw (1306); the locking tongue (1303) and the buckle (1304) are slidably connected to the inner wall of the limiting plate (1302); and the anti-lock buckle (1305) is fixedly connected to a back side of the door shell (1).

5. A durable fireproof door that fits securely according to claim 1, characterized in that: A long baffle (17) is fixedly connected to one side of the door shell (1), and a sealing layer (18) is fixedly connected to the inner wall of the long baffle (17).

6. A securely fitting durable fireproof door according to claim 1, characterized in that: A clamping plate (19) is fixedly connected to one side of the sub-door (4), and a patch (20) is fixedly connected to the upper surface of the clamping plate (19).

7. A securely fitting durable fireproof door according to claim 1, characterized in that: A clamping block (21) is fixedly connected to the inner wall of the door shell (1), and a fireproof layer (22) is fixedly connected to one side of the clamping block (21).

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