CN212002894U

CN212002894U - Protective airtight door

Info

Publication number: CN212002894U
Application number: CN202020389246.3U
Authority: CN
Inventors: 季云云
Original assignee: Beijing Dingdun Civil Air Defense Equipment Co ltd
Current assignee: Beijing Dingdun Civil Air Defense Equipment Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-24
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a protective airtight door, including door frame, dodge gate and fly leaf, the inboard of door frame articulates there is protective airtight door main part, and the inboard of protective airtight door main part is provided with the dodge gate, be provided with the high strength water pocket between protective airtight door main part and the dodge gate, and the outside nestification of protective airtight door main part has first elasticity water pocket, the guide way has been seted up to the inboard of protective airtight door main part, the outside of dodge gate is provided with the direction sideboard to the inside of blind groove is provided with the fly leaf, the draw-in groove has been seted up to the side of fly leaf, the spout has been seted up to the inside of fly gate, and the inside of spout is provided with the fixture block, second elasticity water pocket has been cup jointed in the outside of fixture. This protective airtight door has good shock-absorbing function, avoids protective airtight door to receive the impact force and takes place to warp and the card is dead, can protect the observation window automatically simultaneously, has improved the practicality of device.

Description

Protective airtight door

Technical Field

The utility model relates to a protective airtight door technical field specifically is a protective airtight door.

Background

Protective airtight door is a steel construction door body that has protection, airtight function, is applied to places such as civil air defense engineering usually, can close, seal to the inside passageway of civil air defense engineering during the war to can keep out the explosion and strike and the invasion of radioactive substance, can play effective guard action to the inside personnel of civil air defense engineering, but protective airtight door on the existing market still has some not enoughly, for example:

1. the blast wave generated after the bomb explodes is huge in power, but the protective airtight door in the current market is single in structure, so that the protective airtight door is easy to deform under the influence of the blast wave, a deformed door body is clamped with a door frame, and the door body is inconvenient to open in the later period;

2. some protective airtight doors in the existing market are provided with observation window structures, but the observation window is easy to be broken under the action of external force, so that the sealing performance of the protective airtight door is influenced, and certain use defects exist.

We therefore propose a protective and airtight door in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective airtight door to solve the easy problem that takes place to warp, the card is dead and sealed protective effect is not good of protective airtight door on the current market that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a protective airtight door comprises a door frame, a movable door and a movable plate, wherein a protective airtight door main body is hinged to the inner side of the door frame, the inner side of the protective airtight door main body is provided with the movable door, a first spring is connected between the protective airtight door main body and the movable door, a high-strength water bag is arranged between the protective airtight door main body and the movable door, a first elastic water bag is nested on the outer side of the protective airtight door main body, observation windows are arranged in the protective airtight door main body and the movable door, a guide groove is formed in the inner side of the protective airtight door main body, a guide side plate is arranged on the outer side of the movable door, a blind groove and a limiting groove are formed in the inner side of the movable door, the movable plate is arranged in the blind groove, a clamping groove is formed in the side face of the movable plate, a sliding groove is formed in the inner side of the, and a second spring is connected between the clamping block and the movable door, and a second elastic water bag is sleeved on the outer side of the clamping block.

Preferably, the protective airtight door main body is in clearance fit with the movable door, and the movable door and the protective airtight door main body form an elastic structure through a first spring.

Preferably, the first elastic water bag is of a rectangular annular structure, the first elastic water bag and the protective airtight door main body form a clamping and embedding structure, and the first elastic water bag is communicated with the high-strength water bag.

Preferably, the guiding sideboard and the dodge gate are of an integrated structure, balls are embedded in the guiding sideboard at equal intervals, and the guiding sideboard and the guiding groove form a clamping sliding structure.

Preferably, the movable plate is in clearance fit with the blind groove, and the lower end of the movable plate is in concave-convex fit with the limiting groove.

Preferably, the clamping block and the clamping groove form a clamping structure, the clamping block and the movable door form an elastic structure through a second spring, and a second elastic water bag sleeved outside the clamping block is communicated with the high-strength water bag.

Compared with the prior art, the beneficial effects of the utility model are that: this protective airtight door:

1. the protective airtight door is provided with a protective airtight door main body, a movable door and a first spring, when the outer side of the protective airtight door main body is influenced by explosion shock waves, the movable door can slide along the guide groove, and the first spring can be continuously extruded in the sliding process of the movable door, so that the damping and protection effects can be achieved;

2. be provided with the high strength water pocket, first elasticity water pocket and fly leaf, when the dodge gate takes place to remove under the exogenic action, the dodge gate can extrude the high strength water pocket, make during the liquid in the high strength water pocket gets into first elasticity water pocket, make first elasticity water pocket take place deformation, and fill rapidly between door frame and protective airtight door main part, partial liquid in the high strength water pocket can get into in the second elasticity water pocket simultaneously, make second elasticity water pocket promote the fixture block and remove, thereby it is spacing to make the fly leaf break away from the block, the fly leaf can fall automatically under the action of gravity and close this moment, but the fly leaf is automatic to be closed and protect the observation window when making protective airtight door receive external force through this structure and assault, can effectively improve protective airtight door's leakproofness simultaneously.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

fig. 3 is a schematic view of the main body of the protective airtight door of the present invention;

FIG. 4 is a schematic view of the structure of the guiding side plate of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a door frame; 2. a protective containment door body; 3. a movable door; 4. a first spring; 5. a high strength water bladder; 6. an observation window; 7. a first elastic water bladder; 8. a guide groove; 9. a guide side plate; 901. a ball bearing; 10. a hidden groove; 11. a movable plate; 12. a limiting groove; 13. a card slot; 14. a chute; 15. a clamping block; 16. a second elastic water bag; 17. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a protective airtight door comprises a door frame 1, a protective airtight door main body 2, a movable door 3, a first spring 4, a high-strength water bag 5, an observation window 6, a first elastic water bag 7, a guide groove 8, a guide sideboard 9, a hidden groove 10, a movable plate 11, a limit groove 12, a clamping groove 13, a sliding groove 14, a clamping block 15, a second elastic water bag 16 and a second spring 17, wherein the inner side of the door frame 1 is hinged with the protective airtight door main body 2, the inner side of the protective airtight door main body 2 is provided with the movable door 3, the first spring 4 is connected between the protective airtight door main body 2 and the movable door 3, the high-strength water bag 5 is arranged between the protective airtight door main body 2 and the movable door 3, the outer side of the protective airtight door main body 2 is nested with the first elastic water bag 7, the observation window 6 is arranged inside both the protective airtight door main body 2 and the movable door 3, the guide groove 8 is arranged inside the protective airtight door main body 2, a guide side plate 9 is arranged on the outer side of the movable door 3, a hidden groove 10 and a limiting groove 12 are formed in the inner side of the movable door 3, a movable plate 11 is arranged inside the hidden groove 10, a clamping groove 13 is formed in the side surface of the movable plate 11, a sliding groove 14 is formed in the movable door 3, a clamping block 15 is arranged inside the sliding groove 14, a second spring 17 is connected between the clamping block 15 and the movable door 3, and a second elastic water bag 16 is sleeved on the outer side of the clamping block 15;

the protective airtight door main body 2 is in clearance fit with the movable door 3, the movable door 3 and the protective airtight door main body 2 form an elastic structure through the first spring 4, the movable door 3 can move along the inner side of the protective airtight door main body 2 under the action of shock waves and external force through the structure, the first spring 4 is extruded, the movable door 3 can be damped, and deformation and clamping caused by overlarge external force applied to the protective airtight door are avoided;

the first elastic water bag 7 is in a rectangular annular structure, the first elastic water bag 7 and the protective airtight door main body 2 form a clamping and embedding structure, the first elastic water bag 7 is communicated with the high-strength water bag 5, and water in the high-strength water bag 5 can be squeezed into the first elastic water bag 7 through the movement of the movable door 3, so that the first elastic water bag 7 is expanded and deformed, and the sealing performance between the protective airtight door main body 2 and the door frame 1 can be improved;

the guide side plate 9 and the movable door 3 are of an integrated structure, the balls 901 are embedded in the guide side plate 9 at equal intervals, and the guide side plate 9 and the guide groove 8 form a clamping sliding structure, so that the movable door 3 can be guided by the structure, and the movable door 3 is prevented from being inclined and bent in the movement process;

the movable plate 11 is in clearance fit with the blind groove 10, the lower end of the movable plate 11 is in concave-convex fit with the limiting groove 12, the lower end of the movable plate 11 is clamped into the limiting groove 12 by sliding the movable plate 11 along the blind groove 10, and the movable plate 11 can shield and protect the observation window 6;

the clamping block 15 and the clamping groove 13 form a clamping structure, the clamping block 15 and the movable door 3 form an elastic structure through the second spring 17, the second elastic water bag 16 sleeved outside the clamping block 15 is communicated with the high-strength water bag 5, the movable door 3 is enabled to extrude the high-strength water bag 5 in the moving process through the structure, part of water enters the second elastic water bag 16, the second elastic water bag 16 is enabled to deform, the clamping block 15 is pushed to slide, the clamping block 15 and the movable plate 11 can be automatically separated from the clamping state, at the moment, the movable plate 11 can be automatically closed under the action of gravity, and manual control is not needed.

The working principle is as follows: when the protective airtight door is used, firstly, as shown in fig. 1-4, when the outer side of the protective airtight door main body 2 is impacted by external force, the movable door 3 can move along the inner side of the protective airtight door main body 2, and meanwhile, the guide side plate 9 slides along the guide groove 8, at the moment, the movable door 3 can extrude the first spring 4 and the high-strength water bag 5, the first spring 4 can play a role in shock absorption, so that the situation that the protective airtight door main body 2 is deformed and clamped due to overlarge stress is effectively avoided, and when the high-strength water bag 5 is extruded, part of liquid can be extruded into the first elastic water bag 7, so that the first elastic water bag 7 is expanded and deformed, thereby a gap between the door frame 1 and the protective airtight door main body 2 is filled, and the sealing performance when the protective airtight door main body 2 is closed is effectively improved;

as shown in fig. 1-2 and 5, when the movable door 3 presses the high-strength water bag 5, a part of liquid inside the high-strength water bag 5 also enters the second elastic water bag 16, so that the second elastic water bag 16 deforms and expands, thereby pushing the fixture block 15 to move along the sliding groove 14, so that the fixture block 15 is drawn out of the clamping groove 13, at this time, the movable plate 11 is disengaged from the clamping state, so that the movable plate 11 automatically falls along the blind groove 10 under the action of its own gravity and is clamped into the limiting groove 12, so that the movable plate 11 can be automatically lowered to protect the observation window 6 when the door body is subjected to an external force, thereby completing a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a protective airtight door, includes door frame (1), dodge gate (3) and fly leaf (11), its characterized in that: the inner side of the door frame (1) is hinged with a protective airtight door main body (2), the inner side of the protective airtight door main body (2) is provided with a movable door (3), a first spring (4) is connected between the protective airtight door main body (2) and the movable door (3), a high-strength water bag (5) is arranged between the protective airtight door main body (2) and the movable door (3), the outer side of the protective airtight door main body (2) is nested with a first elastic water bag (7), the inner parts of the protective airtight door main body (2) and the movable door (3) are both provided with an observation window (6), the inner side of the protective airtight door main body (2) is provided with a guide groove (8), the outer side of the movable door (3) is provided with a guide side plate (9), the inner side of the movable door (3) is provided with a blind groove (10) and a limit groove (12), and the inner part of the blind groove (10) is provided with a movable, the side of the movable plate (11) is provided with a clamping groove (13), the inside of the movable door (3) is provided with a sliding groove (14), a clamping block (15) is arranged inside the sliding groove (14), a second spring (17) is connected between the clamping block (15) and the movable door (3), and the outer side of the clamping block (15) is sleeved with a second elastic water bag (16).

2. A containment door in accordance with claim 1, wherein: the protective airtight door is characterized in that the protective airtight door main body (2) is in clearance fit with the movable door (3), and the movable door (3) and the protective airtight door main body (2) form an elastic structure through a first spring (4).

3. A containment door in accordance with claim 1, wherein: the first elastic water bag (7) is of a rectangular annular structure, the first elastic water bag (7) and the protective airtight door main body (2) form a clamping and embedding structure, and the first elastic water bag (7) is communicated with the high-strength water bag (5).

4. A containment door in accordance with claim 1, wherein: the guide side plate (9) and the movable door (3) are of an integrated structure, balls (901) are embedded in the guide side plate (9) at equal intervals, and the guide side plate (9) and the guide groove (8) form a clamping sliding structure.

5. A containment door in accordance with claim 1, wherein: the movable plate (11) is in clearance fit with the blind groove (10), and the lower end of the movable plate (11) is in concave-convex fit with the limiting groove (12).

6. A containment door in accordance with claim 1, wherein: the clamping block (15) and the clamping groove (13) form a clamping structure, the clamping block (15) and the movable door (3) form an elastic structure through a second spring (17), and a second elastic water bag (16) sleeved on the outer side of the clamping block (15) is communicated with the high-strength water bag (5).