Explosion door with good protection effect

Abstract

The utility model relates to the field of explosion-proof doors, in particular to an explosion-proof door with a good protection effect, which comprises an explosion-proof door body and a door frame, a plurality of hinges are fixedly arranged on one side of the explosion-proof door body, the explosion-proof door body is hinged with the door frame through the hinges, a plurality of bolts are fixedly arranged on the inner side of the door frame, and a reinforcing plate is fixedly arranged on one side of the explosion-proof door body. A cavity is formed in the reinforcing plate, a locking assembly is arranged in the cavity, a transmission assembly is fixedly arranged on one side of the locking assembly, a square hole is formed in one side of the cavity, a lock hole is fixedly formed in the inner side of the door frame, and the locking assembly is controlled by the transmission assembly to penetrate through the square hole to slide into the lock hole. According to the anti-explosion door, locking is conducted in a manual mode, the situation that the door lock is damaged after the anti-explosion door body bears explosion or a fire disaster is avoided, the transmission assembly can improve the locking efficiency of the locking assembly, and the locking assembly can improve the stability of the door frame and the anti-explosion door body and improve the strength of the anti-explosion door body.

Description

Technical Field

[0001] The utility model relates to the field of explosion-proof doors, in particular to an explosion-proof door with good protective effect. Background Art

[0002] Explosion-proof doors, as a type of door suitable for industrial protection scenarios, are widely used in scenarios such as civil air defense, mines, and warehouses. When unexpected situations such as explosions and fires occur in the above scenarios, explosion-proof doors can be used to effectively isolate dangerous areas and prevent the spread of fire or explosion, thereby expanding losses. However, in actual use, when an explosion or fire occurs suddenly, the explosion-proof door may be deformed after being impacted, resulting in the problem of being unable to open or close normally. Therefore, an explosion-proof door with good protection effect is used to solve the above problems.

[0003] A Chinese patent with publication number CN219344515U discloses an explosion-proof door, comprising a door frame and a door body, wherein the door body is rotatably arranged inside the door frame, a plurality of latches are arranged on the door body, and a plurality of sockets are correspondingly arranged on the door frame; a locking assembly is arranged on the door body, and the locking assembly is used to drive the latches to be inserted into the sockets and fixed; a reinforcement assembly is also arranged on the door frame, and the reinforcement assembly is used to reduce the deformation of the door body when it is impacted. The device has the effect of reducing the deformation of the door body when it is impacted.

[0004] The above-mentioned patent uses devices such as electric push rods to fix the door body and the door frame. However, in the event of an unexpected situation, electronic equipment such as electric push rods have poor strength and are easily damaged, resulting in the door body being unable to be closed or opened. Utility Model Content

[0005] The purpose of the utility model is to provide an explosion-proof door with good protective effect. The device realizes locking of the door frame and the door body by manual drive, avoiding the problem that the door body cannot be opened or closed normally in the event of an accident. The device has the advantages of simple structure, good protective effect and simple installation.

[0006] The utility model aims to provide an explosion-proof door with good protective effect, comprising an explosion-proof door body and a door frame, a plurality of hinges are fixedly arranged on one side of the explosion-proof door body, the explosion-proof door body and the door frame are hinged by the hinges, a plurality of bolts are fixedly arranged on the inner side of the door frame, a reinforcement plate is fixedly arranged on one side of the explosion-proof door body, a cavity is opened in the reinforcement plate, a locking assembly is arranged in the cavity, a transmission assembly is fixedly arranged on one side of the locking assembly, a square hole is opened on one side of the cavity, a lock hole is fixedly opened on the inner side of the door frame, the locking assembly slides into the lock hole through the square hole through the control of the transmission assembly, a turntable is rotatably arranged on the other side of the explosion-proof door body, and the turntable is fixedly connected to the transmission assembly.

[0007] Furthermore, the transmission assembly includes a threaded rod, a threaded sleeve and a locking block. One end of the threaded rod is fixedly connected to the transmission assembly, and the other end is rotatably connected to the side wall of the cavity. The threaded sleeve is rotatably sleeved on the threaded rod. Connecting rods are rotatably arranged on the top and bottom of the threaded sleeve. Two locking blocks can be provided. Both locking blocks are rotatably connected to the threaded sleeve through the connecting rod. A rotating shaft 1 is rotatably arranged at the center position of the connecting rod, and the connecting rod is rotatably arranged in the cavity through the rotating shaft 1.

[0008] Furthermore, a T-shaped slide groove is provided on the rear side of the locking block, a T-shaped slider is fixedly arranged in the cavity, and the T-shaped slider is slidably arranged in the T-shaped slide groove.

[0009] Furthermore, the transmission assembly includes bevel gear 1 and bevel gear 2, bevel gear 1 is fixedly connected to one end of the threaded rod, one side of bevel gear 2 is meshed with bevel gear 1, and the other side is fixedly provided with a rotating shaft 4, and the other end of rotating shaft 4 passes through the reinforcing plate and is fixedly connected to the turntable.

[0010] Furthermore, a second rotating shaft is rotatably provided at one end of the connecting rod, and a third rotating shaft is rotatably provided at the other end. One end of the connecting rod is rotatably connected to the locking block through the second rotating shaft, and the other end is rotatably connected to the threaded sleeve through the third rotating shaft.

[0011] The working principle and use principle of the utility model are as follows: the device is provided with threaded holes on the side walls on the inner side of the door frame, the door frame is fixed by rotating bolts set in the threaded holes and then rotating them into the wall, the door frame and the explosion-proof door body are hinged by three hinges, a reinforcing plate is fixedly provided on the rear side of the explosion-proof door body, the reinforcing plate can increase the strength of the explosion-proof door body, a locking assembly and a transmission assembly are provided in the explosion-proof plate body, the transmission assembly is fixedly connected to the turntable, the transmission assembly controls the locking assembly to slide in the square hole and the lock hole, the transmission assembly controls the locking assembly to slide by rotating the turntable, and the sliding locking assembly realizes the locking of the explosion-proof door body and the door frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the device is locked manually to prevent the explosion-proof door body from being damaged after an explosion or fire, resulting in the explosion-proof door body being unable to open or close normally; the transmission component can improve the locking efficiency of the locking component and reduce the difficulty of opening and closing the door lock; the locking component can improve the stability of the door frame and the explosion-proof door body and improve the strength of the explosion-proof door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0014] Figure 2 This is a schematic diagram of the door frame structure of an embodiment of the utility model;

[0015] Figure 3 A cross-sectional view of a reinforcing plate structure according to an embodiment of the utility model;

[0016] Figure 4 This is a schematic diagram of the transmission assembly structure of an embodiment of the utility model;

[0017] Figure 5 This is a schematic diagram of the locking block structure of an embodiment of the utility model.

[0018] Explanation of the accompanying drawings: 1. explosion-proof door body; 2. door frame; 21. lock hole; 22. hinge; 3. bolt; 4. turntable; 5. reinforcement plate; 51. square hole; 6. cavity; 7. locking assembly; 71. threaded rod; 72. threaded sleeve; 73. connecting rod; 731. rotating shaft one; 74. locking block; 741. T-shaped slide groove; 742. T-shaped slide block; 75. rotating shaft two; 76. rotating shaft three; 8. transmission assembly; 81. bevel gear one; 82. bevel gear two; 83. rotating shaft four. DETAILED DESCRIPTION

[0019] according to Figure 1 and Figure 2 As shown: an explosion-proof door with good protection effect, comprising an explosion-proof door body 1 and a door frame 2, a plurality of hinges 22 are fixedly arranged on one side of the explosion-proof door body 1, the explosion-proof door body 1 and the door frame 2 are hinged through the hinges 22, a plurality of bolts 3 are fixedly arranged on the inner side of the door frame 2, a reinforcing plate 5 is fixedly arranged on one side of the explosion-proof door body 1, a cavity 6 is opened in the reinforcing plate 5, a locking assembly 7 is arranged in the cavity 6, a transmission assembly 8 is fixedly arranged on one side of the locking assembly 7, a square hole 51 is opened on one side of the cavity 6, a lock hole 21 is fixedly opened on the inner side of the door frame 2, the locking assembly 7 slides into the lock hole 21 through the square hole 51 under the control of the transmission assembly 8, and a turntable 4 is rotatably arranged on the other side of the explosion-proof door body 1, and the turntable 4 is fixedly connected to the transmission assembly 8.

[0020] In a specific implementation, the bolts 3 can be set to eight, wherein four are set in each side door frame 2, and the door frame 2 is fixedly installed in a desired place by means of the bolts 3, the hinges 22 can be set to three, and the three hinges 22 are respectively fixedly set at the top, middle and bottom of one side of the door frame 2, and the hinges 22 are convenient for rotating the explosion-proof door body 1 on the inner side of the door frame 2, the reinforcing plate 5 can be made of industrial steel plate, and the size of the reinforcing plate 5 is consistent with the size of the door frame 2, and the reinforcing plate 5 is used to increase the strength of the explosion-proof door, the locking assembly 7 and the transmission assembly 8 are set in the cavity 6 of the reinforcing plate 5, and the transmission assembly 8 is controlled to rotate by the turntable 4 to make the locking assembly 7 slide from the cavity 6 and slide into the lock hole 21 of the door frame 2 to fix the door frame 2 and the explosion-proof door body 1.

[0021] according to Figures 3 to 5As shown: the locking assembly 7 includes a threaded rod 71, a threaded sleeve 72 and a locking block 74. One end of the threaded rod 71 is fixedly connected to the transmission assembly 8, and the other end is rotatably connected to the side wall of the cavity 6. The threaded sleeve 72 is rotatably sleeved on the threaded rod 71. The top and bottom of the threaded sleeve 72 are rotatably provided with a connecting rod 73. The locking block 74 can be provided with two, and the two locking blocks 74 are rotatably connected to the threaded sleeve 72 through the connecting rod 73. A rotating shaft 1 731 is rotatably provided at the center position of the connecting rod 73. The connecting rod 73 is rotatably provided in the cavity 6 through the rotating shaft 1 731; the transmission assembly 8 includes a bevel gear 1 81 and a bevel gear 2 82. The bevel gears One 81 is fixedly connected to one end of the threaded rod 71, one side of the bevel gear two 82 is meshed with the bevel gear one 81, and the other side is fixedly provided with a rotating shaft four 83, the other end of the rotating shaft four 83 passes through the reinforcing plate 5 and is fixedly connected to the turntable 4, a T-shaped slide groove 741 is opened on the rear side of the locking block 74, a T-shaped slider 742 is fixedly provided in the cavity 6, and the T-shaped slider 742 is slidably set in the T-shaped slide groove 741; a rotating shaft two 75 is rotatably provided at one end of the connecting rod 73, and a rotating shaft three 76 is rotatably provided at the other end, one end of the connecting rod 73 is rotatably connected to the locking block 74 through the rotating shaft two 75, and the other end is rotatably connected to the threaded sleeve 72 through the rotating shaft three 76.

[0022] In specific implementation, both the connecting rod 73 and the locking block 74 can be set as two, one end of the threaded rod 71 is rotatably connected to the side wall of one side of the cavity 6, and the other end is fixedly connected to the bevel gear 1 81, the connecting rod 73 rotates around the rotating shaft 1 731 as the center of the circle, and the locking block 74 and the threaded sleeve 72 rotatably set on the threaded rod 71 are rotatably connected through the connecting rod 73, the rotating shaft 4 83 is rotatably embedded in the explosion-proof door body 1 and the reinforcing plate 5, and the turntable 4 is fixedly connected to the bevel gear 2 82 through the rotating shaft 4 83. When in use, the rotating shaft 4 83 is rotated to control the rotation of the bevel gear 2 82, and the rotating bevel gear 2 82 drives the bevel gear 1 81 meshing with it to rotate, and the rotating bevel gear 1 81 controls the rotation of the threaded rod 71. The rotating threaded rod 71 drives the threaded sleeve 72 to slide left and right on the threaded rod 71. When the explosion-proof door body 1 and the door frame 2 are not locked, the threaded rod 71 is rotated and set on the threaded rod 71 at one end of the principle transmission assembly 8. When the explosion-proof door body 1 and the door frame 2 need to be locked, the threaded sleeve 72 slides toward one end of the transmission assembly 8 through the rotation of the threaded rod 71. The sliding threaded sleeve 72 causes the two connecting rods 73 to rotate about the rotating shaft 731. The rotating two connecting rods 73 drive the two locking blocks 74 to slide in the direction of the T-shaped slider 742 and the T-shaped slot 741. The sliding locking block 74 first slides out from the square hole 51 on one side of the reinforcement plate 5, and the sliding locking block 74 slides into the locking hole 21 on the inner side of the door frame 2 again to be locked.

Claims

1. An explosion-proof door with good protective effect, comprising an explosion-proof door body (1) and a door frame (2), characterized in that: A plurality of hinges (22) are fixedly arranged on one side of the explosion-proof door body (1), the explosion-proof door body (1) and the door frame (2) are hingedly connected via the hinges (22), a plurality of bolts (3) are fixedly arranged on the inner side of the door frame (2), a reinforcing plate (5) is fixedly arranged on one side of the explosion-proof door body (1), a cavity (6) is provided in the reinforcing plate (5), a locking assembly (7) is provided in the cavity (6), a transmission assembly (8) is fixedly arranged on one side of the locking assembly (7), a square hole (51) is provided on one side of the cavity (6), a locking hole (21) is fixedly provided on the inner side of the door frame (2), the locking assembly (7) passes through the square hole (51) and slides into the locking hole (21) under the control of the transmission assembly (8), and a turntable (4) is rotatably arranged on the other side of the explosion-proof door body (1), the turntable (4) is fixedly connected to the transmission assembly (8).

2. According to claim 1, an explosion-proof door with good protection effect is characterized in that: The locking assembly (7) comprises a threaded rod (71), a threaded sleeve (72) and a locking block (74); one end of the threaded rod (71) is fixedly connected to the transmission assembly (8), and the other end is rotatably connected to the side wall of the cavity (6); the threaded sleeve (72) is rotatably sleeved on the threaded rod (71); a connecting rod (73) is rotatably arranged at the top and bottom of the threaded sleeve (72); two locking blocks (74) can be provided, and the two locking blocks (74) are rotatably connected to the threaded sleeve (72) via the connecting rod (73); a rotating shaft (731) is rotatably arranged at the center of the connecting rod (73); and the connecting rod (73) is rotatably arranged in the cavity (6) via the rotating shaft (731).

3. According to claim 2, an explosion-proof door with good protection effect is characterized in that: A T-shaped slide groove (741) is provided on the rear side of the locking block (74), a T-shaped slide block (742) is fixedly provided in the cavity (6), and the T-shaped slide block (742) is slidably provided in the T-shaped slide groove (741).

4. An explosion-proof door with good protection effect according to claim 2 or 3, characterized in that: The transmission assembly (8) comprises a bevel gear 1 (81) and a bevel gear 2 (82); the bevel gear 1 (81) is fixedly connected to one end of the threaded rod (71); one side of the bevel gear 2 (82) is meshed with the bevel gear 1 (81); a rotating shaft 4 (83) is fixedly provided on the other side; the other end of the rotating shaft 4 (83) passes through the reinforcing plate (5) and is fixedly connected to the rotating disk (4).

5. An explosion-proof door with good protection effect according to claim 2 or 3, characterized in that: One end of the connecting rod (73) is rotatably provided with a second rotating shaft (75), and the other end is rotatably provided with a third rotating shaft (76). One end of the connecting rod (73) is rotatably connected to the locking block (74) through the second rotating shaft (75), and the other end is rotatably connected to the threaded sleeve (72) through the third rotating shaft (76).

6. The explosion-proof door with good protection effect according to claim 4, characterized in that: One end of the connecting rod (73) is rotatably provided with a second rotating shaft (75), and the other end is rotatably provided with a third rotating shaft (76). One end of the connecting rod (73) is rotatably connected to the locking block (74) through the second rotating shaft (75), and the other end is rotatably connected to the threaded sleeve (72) through the third rotating shaft (76).

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