Explosion-proof fireproof door

Abstract

The utility model discloses an explosion-proof fireproof door, and relates to the technical field of fireproof doors, the explosion-proof fireproof door comprises a mounting frame, the outer wall of the mounting frame is rotatably connected with a fireproof door body through hinges, the inner wall of the fireproof door body is provided with an anti-cracking net, the inner wall of the fireproof door body is provided with an explosion-proof plate located on one side of the anti-cracking net, and a clamping rod is arranged, so that the anti-cracking net is clamped on the anti-cracking plate. When the anti-explosion fireproof door is used in daily life, in order to improve the opening stability of the fireproof door when the fireproof door is opened for escape and prevent the situation that the escape space is reduced due to the fact that the fireproof door rotates after being opened, a rotary knob can be rotated to drive a threaded sliding block to slide along the inner wall of a fixing groove through rotation of a threaded rod; and sliding of the threaded sliding block drives the clamping rod fixedly connected with the telescopic rod to do telescopic motion through rotation of the rotating rod, the clamping rod slides into the outer wall of the positioning block rotating along with the fireproof door, the effect of clamping and fixing the opened fireproof door is achieved, and the effect of improving the stability of the fireproof door when the fireproof door is opened for use is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to an explosion-proof fireproof door. Background Art

[0002] At present, some special places need some fire doors with other functions. For example, warehouses where explosive items are stored are prone to explosion in the event of a fire. Fire doors can prevent the flames in the burning warehouse from igniting other places.

[0003] For example, the announcement number CN214740916U discloses a closed fire door with explosion-proof function, which relates to the field of fire doors, and includes a door frame, two door bodies hinged on the door frame, and a positioning mechanism arranged in the door body for limiting the position of the door body; the door body includes a mounting frame and explosion-proof plates arranged on both sides of the mounting frame, and the positioning mechanism includes two support beams arranged in the mounting frame, and a first limiting rod and a second limiting rod are slidably connected on opposite sides of the two support beams; a limiting through hole is provided on the side of the mounting frame close to the door panel near the first limiting rod, and a corresponding limiting sink groove is provided on the door frame; a positioning through hole is provided on the side of the mounting frame away from the door panel near the second limiting rod, and sleeves and plugs are respectively provided on opposite end faces of the second limiting rods arranged in the two door bodies. This application has the effect of increasing the stability of the connection between the two door bodies.

[0004] However, although this explosion-proof fire door can be used for better purposes when in use, when the fire door is opened for use, the locking and fixing effect of the opened fire door is not high, so that the fire door is prone to rotation after opening for use, reducing the escape space for escapees from the fire door.

[0005] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an explosion-proof fire door is proposed. Utility Model Content

[0006] The utility model aims to provide an explosion-proof fire door to solve the problem in the above background technology that the opening fire door has a low snap-fitting and fixing effect, thereby reducing the escape space for escapees from the fire door.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an explosion-proof fire door, comprising a mounting frame, the outer wall of the mounting frame is rotatably connected to the fire door body through a hinge, the inner wall of the fire door body is provided with an anti-cracking net, the inner wall of the fire door body is provided with an explosion-proof plate located on one side of the anti-cracking net, one side of the explosion-proof plate is provided with a fire plate, one side of the fire plate is provided with an explosion-proof net, the bottom of the fire door body is fixedly connected with a positioning block, a connecting groove is provided at the connecting portion between the outer wall of the mounting frame and the positioning block, the outer wall of the mounting frame is rotatably connected with a threaded rod, one end of the threaded rod is fixedly connected with a knob, the outer wall of the threaded rod is threadedly connected with a threaded slider slidably connected to the outer wall of the mounting frame, the connecting portion between the outer wall of the mounting frame and the threaded slider is provided with a fixing groove, the outer wall of the threaded slider is rotatably connected with a rotating rod, one end of the rotating rod is rotatably connected with a clamping rod slidably connected to the outer wall of the positioning block, and the outer wall of the clamping rod is fixedly connected with a telescopic rod telescopically connected to the outer wall of the mounting frame.

[0008] Furthermore, the fireproof plate and the explosion-proof plate are arranged in the middle of the anti-cracking net and the explosion-proof net.

[0009] Furthermore, the inner wall profile of the connecting groove is larger than the movement track of the positioning block.

[0010] Furthermore, the threaded rods are provided in two groups, and the positions of the two groups of threaded rods are distributed symmetrically with respect to the central axis of the mounting frame.

[0011] Furthermore, a clamping groove is provided at the connection portion between the outer wall of the positioning block and the clamping rod.

[0012] Furthermore, the clamping rod is arranged on a movement track of the positioning block after the fire door body is opened.

[0013] Furthermore, the clamping rods and the positioning blocks are arranged in a one-to-one correspondence.

[0014] Furthermore, liquid water is stored inside the buffer tank, and an engaging groove is provided at the connection portion between the outer wall of the fireproof board and the buffer tank.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides a clamping rod, and when the explosion-proof fire door is used in daily life, in order to improve the opening stability of the fire door when it is opened for escape and prevent the fire door from rotating after being opened, thereby reducing the escape space, the knob can be turned to drive the threaded slider to slide along the inner wall of the fixed groove through the rotation of the threaded rod. The sliding of the threaded slider drives the clamping rod fixedly connected to the telescopic rod to perform telescopic movement through the rotation of the rotating rod, and the clamping rod slides into the outer wall of the positioning block that rotates with the fire door, so as to achieve the effect of clamping and fixing the fire door after it is opened, thereby improving the stability of the fire door when it is opened for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The three-dimensional structural diagram of the fire door;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the fire door in another direction;

[0019] Figure 3 It is a schematic diagram of the connection structure between the clamping rod and the positioning block;

[0020] Figure 4 This is a schematic diagram of the internal structure of the fire door;

[0021] Figure 5 This is a schematic diagram of the internal structure of the fireproof board.

[0022] In the figure: 1. Installation frame; 2. Fireproof door body; 3. Anti-crack net; 4. Positioning block; 5. Connection groove; 6. Threaded rod; 7. Knob; 8. Threaded slider; 9. Fixed groove; 10. Rotating rod; 11. Telescopic rod; 12. Clamping rod; 13. Explosion-proof net; 14. Fireproof board; 15. Explosion-proof board; 16. Buffer tank. DETAILED DESCRIPTION

[0023] 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.

[0024] Example: Figure 1-Figure 5As shown, an explosion-proof fire door comprises a mounting frame 1, the outer wall of the mounting frame 1 is rotatably connected to a fire door body 2 through a hinge, the inner wall of the fire door body 2 is provided with an anti-crack net 3, the inner wall of the fire door body 2 is provided with an explosion-proof plate 15 located on one side of the anti-crack net 3, a fire plate 14 is provided on one side of the explosion-proof plate 15, an explosion-proof net 13 is provided on one side of the fire plate 14, a positioning block 4 is fixedly connected to the bottom of the fire door body 2, a connecting groove 5 is provided at the connecting portion between the outer wall of the mounting frame 1 and the positioning block 4, and the mounting frame 1 is rotatably connected to the outer wall of the threaded rod 6, one end of the threaded rod 6 is fixedly connected to the knob 7, the outer wall of the threaded rod 6 is threadedly connected to a threaded slider 8 slidably connected to the outer wall of the mounting frame 1, a fixing groove 9 is provided at the connecting portion between the outer wall of the mounting frame 1 and the threaded slider 8, the outer wall of the threaded slider 8 is rotatably connected to a rotating rod 10, one end of the rotating rod 10 is rotatably connected to a clamping rod 12 slidably connected to the outer wall of the positioning block 4, and the outer wall of the clamping rod 12 is fixedly connected to a telescopic rod 11 telescopically connected to the outer wall of the mounting frame 1.

[0025] Furthermore, the fireproof plate 14 and the explosion-proof plate 15 are arranged in the middle position between the anti-crack net 3 and the explosion-proof net 13, which is beneficial to achieve fire and explosion prevention effects through the fire door in daily use.

[0026] Furthermore, the inner wall profile of the connecting groove 5 is larger than the movement trajectory of the positioning block 4, which is conducive to driving the positioning block 4 to rotate and store conveniently.

[0027] Furthermore, two groups of threaded rods 6 are provided, and the positions of the two groups of threaded rods 6 are symmetrically distributed about the central axis of the mounting frame 1. The threaded slider 8 forms a sliding structure between the threaded rod 6 and the fixed groove 9, which is beneficial to the rotation of the threaded rod 6, driving the threaded slider 8 to slide along the inner wall of the fixed groove 9, thereby driving the rotating rod 10 to rotate effectively.

[0028] Furthermore, a slot is provided at the connection between the outer wall of the positioning block 4 and the clamping rod 12. The positioning block 4 forms a clamping structure with the installation frame 1 through the telescopic rod 11 and the clamping rod 12, which is beneficial to the movement of the telescopic rod 11 through the connection of the clamping rod 12, driving the positioning block 4 to be clamped and fixed at the bottom of the installation frame 1, thereby achieving the effect of improving the opening stability of the fire door.

[0029] Furthermore, the clamping rod 12 is arranged on the movement trajectory of the positioning block 4 after the fire door body 2 is opened, which is beneficial for convenient clamping and fixing of the positioning block 4.

[0030] Furthermore, the one-to-one correspondence between the clamping rod 12 and the positioning block 4 is beneficial for achieving the effect of clamping and fixing the fire door after it is opened, thereby improving the stability of the fire door when it is opened for use.

[0031] Furthermore, liquid water is stored inside the buffer tank 16, and a mating groove is provided at the connection portion between the outer wall of the fireproof panel 14 and the buffer tank 16, which is beneficial to the setting of the internal storage liquid water buffer tank 16, thereby effectively reducing the temperature of the fire area when a fire occurs, and achieving the effect of the fire door assisting in fire extinguishing.

[0032] Working principle: When using this explosion-proof fire door, when the explosion-proof fire door is used daily, in order to improve the opening stability of the fire door when it is opened for escape and prevent the fire door from rotating after opening, causing the escape space to become smaller, the knob 7 can be turned to rotate the threaded rod 6 to drive the threaded slider 8 to slide along the inner wall of the fixed groove 9. The sliding of the threaded slider 8 drives the clamping rod 12 fixedly connected to the telescopic rod 11 to perform telescopic movement through the rotation of the rotating rod 10, and the clamping rod 12 slides into the outer wall of the positioning block 4 that rotates with the fire door, so as to achieve the effect of clamping and fixing the fire door after it is opened, thereby improving the stability of the fire door when it is opened for use.

[0033] This is how an explosion-proof fire door works.

[0034] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An explosion-proof fire door, comprising a mounting frame (1), characterized in that: The outer wall of the installation frame (1) is rotatably connected to a fireproof door body (2) via a hinge; the inner wall of the fireproof door body (2) is provided with an anti-crack net (3); the inner wall of the fireproof door body (2) is provided with an explosion-proof plate (15) located on one side of the anti-crack net (3); a fireproof plate (14) is provided on one side of the explosion-proof plate (15); an explosion-proof net (13) is provided on one side of the fireproof plate (14); a positioning block (4) is fixedly connected to the bottom of the fireproof door body (2); a connecting groove (5) is provided at a connection portion between the outer wall of the installation frame (1) and the positioning block (4); a threaded rod (6) is rotatably connected to the outer wall of the installation frame (1); the threaded rod One end of the threaded rod (6) is fixedly connected to a knob (7), the outer wall of the threaded rod (6) is threadedly connected to a threaded slider (8) slidably connected to the outer wall of the mounting frame (1), a fixing groove (9) is provided at the connection portion between the outer wall of the mounting frame (1) and the threaded slider (8), the outer wall of the threaded slider (8) is rotatably connected to a rotating rod (10), one end of the rotating rod (10) is rotatably connected to a clamping rod (12) slidably connected to the outer wall of the positioning block (4), the outer wall of the clamping rod (12) is fixedly connected to a telescopic rod (11) telescopically connected to the outer wall of the mounting frame (1), and a buffer tank (16) is embedded in the surface of the fireproof board (14).

2. An explosion-proof fire door according to claim 1, characterized in that: The fireproof plate (14) and the explosion-proof plate (15) are arranged in the middle of the anti-cracking net (3) and the explosion-proof net (13).

3. An explosion-proof fire door according to claim 1, characterized in that: The inner wall profile of the connecting groove (5) is larger than the movement trajectory of the positioning block (4).

4. The explosion-proof fire door according to claim 1, characterized in that: Two groups of threaded rods (6) are provided, and the positions of the two groups of threaded rods (6) are symmetrically distributed with respect to the central axis of the mounting frame (1).

5. The explosion-proof fire door according to claim 1, characterized in that: A clamping groove is provided at the connection portion between the outer wall of the positioning block (4) and the clamping rod (12).

6. The explosion-proof fire door according to claim 1, characterized in that: The clamping rod (12) is arranged on the movement track of the positioning block (4) after the fire door body (2) is opened.

7. The explosion-proof fire door according to claim 1, characterized in that: The clamping rod (12) and the positioning block (4) are arranged in a one-to-one correspondence.

8. The explosion-proof fire door according to claim 1, characterized in that: Liquid water is stored inside the buffer tank (16), and a fitting groove is provided at a connection portion between the outer wall of the fireproof board (14) and the buffer tank (16).

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