A waterproof and airtight door for mines

Abstract

The utility model belongs to the technical field of mining industry, and discloses a waterproof and airtight door for mining, including a door frame assembly for supporting and fixing, and also including a door body assembly for locking and closing installed on the door frame assembly, wherein a sealing assembly for multi-layer annular compression sealing is arranged on the door body assembly, and the sealing assembly and the door body assembly are pasted together; the door body assembly includes a door panel body, a hinge shaft is arranged on one side of the door panel body, a boss is arranged in the middle of the door panel body, and the boss is in the shape of a frustum. The waterproof and airtight door for mining described in the utility model has enhanced automatic centering and balancing performance and ensured uniformity of force and reliability of sealing through the arrangement of inclined meshing compression sealing; ensured tightness of sealing through the arrangement of multi-layer annular compression sealing; ensured tightness of sealing through the arrangement of multi-layer annular compression sealing; ensured reliability of locking and fixing through the arrangement of wedge-shaped locking blocks.

Description

Technical Field

[0001] The utility model belongs to the technical field of mining, in particular to a waterproof and airtight door for mining. Background Art

[0002] Waterproof sealing door is a kind of door used in underground places, generally used in mines, underground tunnels, air-raid shelters and other areas, its function is to prevent water seepage and ground water leakage. This door can protect underground personnel and equipment from being submerged by water.

[0003] In contrast, the Chinese patent with announcement number CN207436797U discloses a fully automatic waterproof and airtight door for mining, including a door frame, a door leaf, a drive cylinder for opening and closing the door, a hand wheel, a locking cylinder, and a linkage rod. The door leaf is hinged to the door frame through a bearing, the front end of the drive cylinder for opening and closing the door is connected to the door leaf through a lug, and the rear end of the drive cylinder for opening and closing the door is connected to the door frame through a support. A sealing pad is bonded around the door frame. A hand wheel is provided in the door leaf, the hand wheel is meshed with a transmission gear, the transmission gear is connected to the linkage rod, and a door lock is provided at the end of the linkage rod. One end of the locking cylinder is connected to the linkage rod, and the other end is fixed to a bracket in the door leaf. The drive cylinder for opening and closing the door and the locking cylinder are connected to a drive hydraulic pump station through an oil connection line, and the drive hydraulic pump station is connected to an intelligent control host through an electrical connection line. The intelligent control host has a built-in communication interface, which is connected to an underground substation and can be uploaded to a host computer for control, and the host computer realizes remote control of the opening and closing of the airtight door.

[0004] However, the above patent only adopts plane compression sealing, which easily causes uneven force and affects the reliability and tightness of the seal. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a waterproof and airtight door for mining, 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 waterproof and airtight door for mining, comprising a door frame assembly for supporting and fixing, and also comprising a door body assembly installed on the door frame assembly for locking and closing, wherein the door body assembly is provided with a sealing assembly for multi-layer annular compression sealing, and the sealing assembly and the door body assembly are pasted together; the door body assembly comprises a door panel body, a hinge shaft is provided on one side of the door panel body, a boss is provided in the middle of the door panel body, the boss is in the shape of a cone, a hand wheel is installed in the boss, and locking blocks are provided on both sides of the boss; the sealing assembly comprises a sealing ring, the sealing ring is in the shape of a hollow cone, a plurality of sealing rings are evenly distributed on the circumference of the sealing ring, and avoidance holes are provided on both sides of the sealing ring.

[0008] Furthermore, the door frame assembly includes a door frame body, four reinforcing ribs are evenly arranged at the four corners of the door frame body, a hinge seat is arranged on one side of the door frame body, four sides of the door frame body are arranged with slope surfaces, and lock holes are arranged on the slope surfaces.

[0009] Furthermore, the reinforcing rib and the door frame are welded together, and the hinge seat and the door frame are connected by bolts.

[0010] Furthermore: the boss is connected to the door panel body by bolts, and the hinge shaft is connected to the door panel body by bolts.

[0011] Furthermore: the locking block is wedge-shaped.

[0012] Furthermore: the sealing ring is made of natural rubber material, and the sealing ring and the sealing ring are integrally formed.

[0013] Compared with the prior art, the beneficial effects are:

[0014] The setting of bevel meshing and pressing seal enhances the automatic centering balance performance, ensuring the uniformity of force and the reliability of sealing.

[0015] The tightness of the seal is ensured by setting up multi-layer annular compression seals;

[0016] The reliability of locking and fixing is ensured by the setting of the wedge-shaped locking block. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a waterproof and airtight door for mining described in the utility model;

[0018] Figure 2 It is a schematic diagram of a door frame assembly of a waterproof and airtight door for mining described in the utility model;

[0019] Figure 3 It is a schematic diagram of a door body assembly of a waterproof and airtight door for mining described in the utility model;

[0020] Figure 4 It is a schematic diagram of a sealing component of a waterproof and airtight door for mining described in the utility model.

[0021] In the accompanying drawings, 101, door frame; 102, reinforcing rib; 103, hinge seat; 104, slope surface; 105, lock hole; 201, door panel body; 202, boss; 203, hinge shaft; 204, hand wheel; 205, lock block; 301, sealing ring; 302, sealing ring; 303, avoidance hole. 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] See also Figure 1-Figure 4 A waterproof and airtight door for mining includes a door frame assembly for supporting and fixing, and also includes a door body assembly installed on the door frame assembly for locking and closing. The door body assembly is provided with a sealing assembly for multi-layer annular compression sealing, and the sealing assembly and the door body assembly are pasted together.

[0024] In this embodiment: the door frame assembly includes a door frame body 101, four reinforcing ribs 102 are evenly arranged at the four corners of the door frame body 101, the reinforcing ribs 102 and the door frame body 101 are welded together, a hinge seat 103 is arranged on one side of the door frame body 101, the hinge seat 103 and the door frame body 101 are bolted, four sides of the door frame body 101 are arranged with slope surfaces 104, and the slope surfaces 104 are arranged with lock holes 105, the door frame body 101 is fixed in the mine cave by the reinforcing ribs 102, the hinge seat 103 is used to support the hinge shaft 203 to rotate, the slope surface 104 is used to cooperate with the boss 202 to press the sealing ring 301, and the lock hole 105 is used to insert the lock block 205 for fixing;

[0025] In this embodiment: the door body assembly includes a door panel body 201, a hinge shaft 203 is provided on one side of the door panel body 201, the hinge shaft 203 and the door panel body 201 are bolted, a boss 202 is provided in the middle of the door panel body 201, the boss 202 is a cone-shaped, the boss 202 and the door panel body 201 are bolted, a hand wheel 204 is installed in the boss 202, and locking blocks 205 are provided on both sides of the boss 202. The locking blocks 205 are wedge-shaped, and the door panel body 201 is opened and closed by rotating the hinge shaft 203 and the hinge seat 103. The hand wheel 204 is rotated to push the locking block 205 into the lock hole 105, and the boss 202 is driven to press the sealing ring 301 and the sealing ring 302 on the slope surface 104;

[0026] In this embodiment: the sealing assembly includes a sealing ring 301, which is a hollow frustum shape. The sealing ring 301 is made of natural rubber material. A number of sealing rings 302 are evenly distributed around the circumference of the sealing ring 301. The sealing ring 302 and the sealing ring 301 are integrally formed. Avoidance holes 303 are provided on both sides of the sealing ring 301. The sealing ring 301 is pasted on the surface of the boss 202, and the supporting sealing ring 302 is pressed against the slope surface 104 to form a multi-layer annular seal. The avoidance holes 303 are used to avoid the locking block 205.

[0027] Working principle: The door frame 101 is fixed in the mine through the reinforcing ribs 102, and then the door panel 201 is opened and closed by rotating the hinge shaft 203 and the hinge seat 103, and the hand wheel 204 is turned to push the lock block 205 through the avoidance hole 303 and insert it into the lock hole 105, so as to connect and fix the door panel 201 and the door frame 101, and drive the boss 202 to press the sealing ring 301 and the sealing ring 302 on the slope surface 104 to form a multi-layer annular seal.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof and airtight door for use in mines, comprising a door frame assembly for supporting and fixing, characterized in that: It also includes a door body assembly installed on the door frame assembly for locking and sealing, the door body assembly is provided with a sealing assembly for multi-layer annular compression sealing, and the sealing assembly and the door body assembly are pasted together; The door body assembly comprises a door panel body (201), a hinge shaft (203) is arranged on one side of the door panel body (201), a boss (202) is arranged in the middle of the door panel body (201), the boss (202) is in a frustum shape, a hand wheel (204) is installed in the boss (202), and locking blocks (205) are arranged on both sides of the boss (202); The sealing assembly comprises a sealing ring (301), the sealing ring (301) is in the shape of a hollow frustum, a plurality of sealing rings (302) are evenly distributed on the circumference of the sealing ring (301), and avoidance holes (303) are arranged on both sides of the sealing ring (301).

2. A mine waterproof and airtight door according to claim 1, characterized in that: The door frame assembly comprises a door frame body (101), four reinforcing ribs (102) are evenly arranged at four corners of the door frame body (101), a hinge seat (103) is arranged on one side of the door frame body (101), four sides of the door frame body (101) are provided with inclined surfaces (104), and a lock hole (105) is arranged on the inclined surface (104).

3. A mine waterproof and airtight door according to claim 2, characterized in that: The reinforcing rib (102) and the door frame (101) are welded together, and the hinge seat (103) and the door frame (101) are bolted together.

4. A mine waterproof and airtight door according to claim 1, characterized in that: The boss (202) and the door panel body (201) are connected by bolts, and the hinge shaft (203) and the door panel body (201) are connected by bolts.

5. The waterproof and airtight door for mining according to claim 1, characterized in that: The locking block (205) is wedge-shaped.

6. A mine waterproof and airtight door according to claim 1, characterized in that: The sealing ring (301) is made of natural rubber material, and the sealing ring (302) and the sealing ring (301) are integrally formed.

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