A lightweight explosion-proof door

Abstract

The utility model relates to the technical field of explosion-proof doors, and in particular to a lightweight explosion-proof door, which is provided with a door body, a rotating closed door is rotatably provided on the left side of the front end face of the door body, a closed working box is fixedly provided on the right end face of the rotating closed door, and a limit frame is fixedly provided on the rear end face of the door body. The utility model drives the locking connecting blocks to move forward and backward by rotating the locking rotating shafts on both sides, so that the connecting frames on both sides move toward the side away from the connecting motor, so that the connecting frames enter the matching cavity. At this time, the rotating closed door is fixed to the door body, which can effectively prevent the rotating closed door from being damaged due to external impact. In addition, since a high-strength closed locking effect is achieved by relying on the connection between the connecting frame and the matching cavity, the rotating closed door does not need to use thicker metal materials, so that the utility model has the advantages of low working cost and long working life.

Description

Technical Field

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

[0002] In order to resist accidental explosions of equipment outside industrial buildings, ensure the safety of personnel and the integrity of equipment inside industrial buildings, protect the interior of the building from the harm of explosion shock waves, and reduce the continuation of explosion hazards, explosion-proof doors are usually installed in the passages connecting the inside and outside of the building.

[0003] Traditional explosion-proof doors mostly increase the explosion-proof strength by increasing the thickness of metal plates. Therefore, the weight of the door body is very heavy. Not only is the cost high, but when working for a long time, the opening and closing transmission mechanism ages, which will cause the door body to be unable to rotate and the explosion-proof door cannot be opened. Utility Model Content

[0004] The purpose of the utility model is to provide a lightweight explosion-proof door to overcome the above-mentioned defects in the prior art.

[0005] According to the utility model, a lightweight explosion-proof door comprises a door body, a rotating closed door is rotatably provided on the left side of the front end face of the door body, a closed working box is fixedly provided on the right end face of the rotating closed door, and a limiting frame is fixedly provided on the rear end face of the door body;

[0006] Two closed matching blocks are fixedly provided on the left and right end surfaces of the door body, two front-to-back symmetrical connecting and moving cavities are provided in the closed working box, a connecting frame that can move forward and backward is provided in the connecting and moving cavity, and a movable connecting cavity connected to the left and right is provided on the right wall of the connecting and moving cavity.

[0007] In some embodiments, a connecting motor is fixedly provided on the right end face of the closed working box, and the right end face of the closed working box is symmetrical in front and back and rotatably provided with two locking rotating shafts, and the thread directions of the locking rotating shafts on both sides are opposite, and the end face of the locking rotating shaft close to the center is dynamically connected to the connecting motor.

[0008] In some embodiments, a locking connection block that can move forward and backward is provided in the movable connecting cavity, the left end face of the locking connection block is fixedly connected to the right end face of the connecting frame, and the outer cylindrical surface of the locking rotating shaft is threadedly connected to the locking connection block.

[0009] In some embodiments, three matching cavities are provided in the closed matching block, and the matching cavities and the connecting frame are made to cooperate with each other.

[0010] In some embodiments, a control panel is fixedly provided on the rear end surface of the door body, and the control panel can input a password and control the start and stop of the connection motor.

[0011] Compared with the prior art, the advantages of the utility model are:

[0012] 1. The utility model rotates the locking rotating shafts on both sides, thereby driving the locking connecting blocks to move forward and backward, so that the connecting frames on both sides move toward the side away from the connecting motor, so that the connecting frames enter the matching cavity. At this time, the rotating closed door is fixed to the door body, which can effectively prevent the rotating closed door from being damaged due to external impact.

[0013] 2. The utility model can also effectively improve the explosion-proof performance of the utility model by fitting the limit frame and the rotating closed door. Since the utility model relies on the connection frame and the matching cavity to achieve a high-strength closed locking effect, the rotating closed door does not need to use thicker metal materials, thereby making the utility model have the advantages of low working cost and long working life. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a top view of the utility model;

[0016] Figure 3 It is a right view of the utility model;

[0017] Figure 4 It is a bottom view of the utility model;

[0018] Figure 5 It is a rear view of the utility model;

[0019] Figure 6 It is a schematic diagram of the overall structure of a lightweight explosion-proof door of the utility model.

[0020] In the figure:

[0021] 11. Door body; 12. Rotating closed door; 13. Limiting frame; 14. Closed working box; 15. Connecting frame; 16. Connecting moving cavity; 17. Connecting motor; 18. Locking rotating shaft; 19. Locking connecting block; 20. Moving connecting cavity; 21. Matching cavity; 22. Control panel; 23. Closed matching block. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 6 , which is the first embodiment of the utility model, and provides an embodiment of a lightweight explosion-proof door, comprising a door body 11, a rotating closed door 12 is rotatably provided on the left side of the front end face of the door body 11, a closed working box 14 is fixedly provided on the right end face of the rotating closed door 12, and a limiting frame 13 is fixedly provided on the rear end face of the door body 11;

[0025] Two closed matching blocks 23 are fixedly provided on the left and right end surfaces of the door body 11, and two front-to-back symmetrical connecting movable cavities 16 are provided in the closed working box 14. A connecting frame 15 capable of moving forward and backward is provided in the connecting movable cavity 16, and a movable connecting cavity 20 connected to the left and right is provided on the right wall of the connecting movable cavity 16.

[0026] A connecting motor 17 is fixedly disposed on the right end face of the closed working box 14. Two locking rotating shafts 18 are symmetrically arranged in the front and rear and rotatably disposed on the right end face of the closed working box 14. The thread directions of the locking rotating shafts 18 on both sides are opposite. The end face of the locking rotating shaft 18 close to the center is dynamically connected to the connecting motor 17.

[0027] A locking connection block 19 that can move forward and backward is disposed in the movable connecting cavity 20 . The left end surface of the locking connection block 19 is fixedly connected to the right end surface of the connecting frame 15 . The outer circumferential surface of the locking rotating shaft 18 is threadedly connected to the locking connection block 19 .

[0028] The closed matching block 23 is provided with three matching cavities 21 , and the matching cavities 21 and the connecting frame 15 are made to match each other.

[0029] A control panel 22 is fixedly disposed on the rear end surface of the door body 11 . The control panel 22 can input a password and control the start and stop of the connection motor 17 .

[0030] Specific workflow:

[0031] When the explosion-proof door is in use, the door body 11 can be placed in the passage area, and the rotating closed door 12 can be rotated to fit with the limit frame 13, and then the connecting motor 17 is started to drive the locking rotating shaft 18 on both sides to rotate, thereby driving the locking connecting block 19 to move forward and backward, so that the connecting frames 15 on both sides move toward the side away from the connecting motor 17, so that the connecting frame 15 enters the matching cavity 21. At this time, the rotating closed door 12 is fixed to the door body 11, which can effectively prevent the rotating closed door 12 from being damaged due to external impact. At the same time, the limit frame 13 and the rotating closed door 12 fit together, which can also effectively improve the explosion-proof performance of the utility model. Since the utility model relies on the connection between the connecting frame 15 and the matching cavity 21 to achieve a high-strength closed locking effect, the rotating closed door 12 does not need to use thicker metal materials, so that the utility model has the advantages of low working cost and long working life.

[0032] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A lightweight explosion-proof door, comprising a door body (11), characterized in that: A rotating closed door (12) is rotatably provided on the left side of the front end surface of the door body (11), a closed working box (14) is fixedly provided on the right end surface of the rotating closed door (12), and a limiting frame (13) is fixedly provided on the rear end surface of the door body (11); Two closed matching blocks (23) are fixedly provided on the left and right end surfaces of the door body (11); two front-to-back symmetrical connecting movable cavities (16) are provided in the closed working box (14); a connecting frame (15) capable of moving forward and backward is provided in the connecting movable cavity (16); and a movable connecting cavity (20) connected to the left and right is provided on the right wall of the connecting movable cavity (16).

2. A lightweight explosion-proof door according to claim 1, characterized in that: A connecting motor (17) is fixedly provided on the right end surface of the closed working box (14); two locking rotating shafts (18) are symmetrically arranged on the right end surface of the closed working box (14) for rotation; the thread directions of the locking rotating shafts (18) on both sides are opposite; the end surface of the locking rotating shaft (18) close to the center is dynamically connected to the connecting motor (17).

3. A lightweight explosion-proof door according to claim 2, characterized in that: A locking connection block (19) capable of moving forward and backward is provided in the movable connecting cavity (20); the left end surface of the locking connection block (19) is fixedly connected to the right end surface of the connecting frame (15); and the outer circumferential surface of the locking rotating shaft (18) is threadedly connected to the locking connection block (19).

4. The lightweight explosion-proof door according to claim 1, characterized in that: Three matching cavities (21) are arranged in the closed matching block (23).

5. The lightweight explosion-proof door according to claim 1, characterized in that: A control panel (22) is fixedly provided on the rear end surface of the door body (11).

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