CN219241749U

CN219241749U - Air defense door airtight structure

Info

Publication number: CN219241749U
Application number: CN202223480729.2U
Authority: CN
Inventors: 宋月根; 冉锦亭
Original assignee: Shanghua Junqian Protection Equipment Co ltd
Current assignee: Shanghua Junqian Protection Equipment Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-23
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a civil air defense door airtight structure, relates to the technical field of civil air defense door airtight structures, and aims to solve the problems that the existing joint of the civil air defense door is airtight in a surface clinging mode, the tightness of the joint is insufficient, the connection strength is insufficient and the safety is to be improved. The novel air defense door comprises a door frame, and is characterized in that a sealing groove is formed in the front end face of the door frame, a sealing clamping strip and an inner limiting plate are arranged on the rear end face of the door frame, a mounting substrate is arranged at the rear end of the door frame, first limiting grooves are formed in the upper end face and the lower end face of the inner limiting plate, second limiting grooves are formed in the two side faces of the inner limiting plate, the second limiting grooves are identical to the first limiting grooves in size, a first driving base is arranged above and below the rear end face of the mounting substrate, a second driving base is arranged on two sides of the rear end face of the mounting substrate, the second driving base is identical to the first driving base in size, and the first driving base comprises a first limiting clamping plate.

Description

Air defense door airtight structure

Technical Field

The utility model relates to the technical field of air defense door sealing structures, in particular to an air defense door sealing structure.

Background

Civil air defense, also known as civil air defense, is an activity of government mobilization and organization of masses, taking anti-air attack, disaster-fighting and relief measures, implementing rescue actions, and preventing and relieving disaster damage. The civil air defense door belongs to civil air defense protection equipment, is called as a civil air defense door at an entrance and an exit of civil air defense engineering, is divided into a common single-leaf protection airtight door, a common double-leaf protection airtight door and a common airtight door, is a door at the entrance and the exit of the civil air defense, has a fight time protection function, and generally has the functions of gas protection, explosion protection and the like. Therefore, strict requirements are imposed on the tightness of the civil air defense door;

however, the existing air defense door joint is sealed by adopting a surface clinging mode, the sealing performance of the joint is insufficient, the joint strength is insufficient, and the safety is to be improved, so that the existing requirements are not met, and an air defense door sealing structure is provided.

Disclosure of Invention

The utility model aims to provide a civil air defense door airtight structure, which solves the problems that the existing civil air defense door joint provided in the background art is airtight in a surface clinging mode, the tightness of the joint is insufficient, the connection strength is insufficient and the safety is to be improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a people's air defense door airtight structure, includes door frame and people's air defense door plant, be provided with sealed recess on the preceding terminal surface of door frame, be provided with sealed card strip and interior limiting plate on the rear end face of people's air defense door plant, the rear end of door frame is provided with the mounting substrate.

Preferably, the upper end surface and the lower end surface of the inner limiting plate are provided with first limiting grooves, the two side surfaces of the inner limiting plate are provided with second limiting grooves, and the second limiting grooves and the first limiting grooves are the same in size.

Preferably, the upper part and the lower part of the rear end face of the mounting substrate are respectively provided with a first driving base, the two sides of the rear end face of the mounting substrate are respectively provided with a second driving base, and the second driving bases and the first driving bases are the same in size.

Preferably, the first driving base comprises a first limiting clamping plate, the second driving base comprises a second limiting clamping plate, the second limiting clamping plate and the first limiting clamping plate are identical in size, the second driving base and the first driving base are both provided with multistage electric cylinders, the multistage electric cylinders comprise electric push rods, and the electric push rods are fixedly connected with the first limiting clamping plate and the second limiting clamping plate.

Preferably, the civil air defense door plate comprises an arc-shaped panel.

Preferably, the sealing groove comprises a plurality of arc grooves, the arc grooves are symmetrically distributed on two sides of the sealing groove, the sealing clamping strip comprises a plurality of arc convex strips, and the arc convex strips are symmetrically distributed on two sides of the sealing clamping strip.

Preferably, a hinge connection base is arranged on one side of the door frame, and a connection hinge is arranged on one side of the civil air defense door plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the civil air defense door plate is closed, the sealing clamping strips of the civil air defense door plate are embedded into the sealing grooves of the door frame, so that the tightness of the joint is ensured, and the tightness and the connection strength of the whole civil air defense door structure are improved;

2. according to the utility model, the arc grooves and the arc convex strips increase the contact area between the sealing grooves and the sealing clamping strips, namely, the tightness and the connection strength between the sealing grooves and the sealing clamping strips are further improved;

3. according to the utility model, the first driving base and the second driving base are both internally provided with the multi-stage electric cylinders, the multi-stage electric cylinders can drive the first limiting clamping plate and the second limiting clamping plate to move, the first limiting clamping plate is embedded into the first limiting groove, the second limiting clamping plate is embedded into the second limiting groove, and the connection tightness of the civil air defense door after being closed is improved.

Drawings

FIG. 1 is a front top plan three dimensional perspective view of the door frame and air defense door panel of the present utility model;

FIG. 2 is an enlarged partial view of area A of the present utility model;

FIG. 3 is a rear top plan three-dimensional perspective view of the civil air defense door sheet of the present utility model;

FIG. 4 is an enlarged view of a portion of zone B of the present utility model;

fig. 5 is a rear view connection relation diagram of the door frame and the civil air defense door plate of the present utility model.

In the figure: 1. a door frame; 2. a civil air defense door plate; 3. sealing the groove; 4. sealing clamping strips; 5. an inner limiting plate; 6. a first limit groove; 7. the second limit groove; 8. a first drive base; 9. a second driving base; 10. the first limiting clamping plate; 11. the second limiting clamping plate; 12. an arc panel; 13. an arc-shaped groove; 14. arc convex strips; 15. a hinge connecting the base; 16. a connecting hinge; 17. and (3) mounting a substrate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a people's air defense door airtight structure, includes door frame 1 and people's air defense door plant 2, is provided with sealed recess 3 on the preceding terminal surface of door frame 1, is provided with sealed card strip 4 and interior limiting plate 5 on the rear end face of people's air defense door plant 2, and the rear end of door frame 1 is provided with mounting substrate 17.

During the use, the installation between whole people's air defense door and the wall body is fixed through mounting substrate 17 convenience, and when closing people's air defense door plant 2, the sealed clamping strip 4 of people's air defense door plant 2 imbeds the inside of the sealed recess 3 of door frame 1, guarantees the seal of junction to improve the seal of whole people's air defense door structure, solved current people's air defense door junction and adopted the mode of surface hugging closely to realize airtight more, the seal of junction is insufficient, the joint strength is not enough, the security remains the problem that improves.

Further, first spacing groove 6 has all been seted up on the up end of interior limiting plate 5 and the lower terminal surface, second spacing groove 7 has all been seted up on the both sides face of interior limiting plate 5, and second spacing groove 7 is the same with first spacing groove 6 size, the inside of first spacing groove 6 is embedded to first spacing cardboard 10, the inside of second spacing groove 7 is embedded to second spacing cardboard 11, play spacing reinforcement's effect, further improve the seal of whole people's air defense door structure, further improve joint strength, thereby further improve the security of people's air defense door.

Further, the top and the below of mounting substrate 17 rear end face all are provided with first drive base 8, and the both sides of mounting substrate 17 rear end face all are provided with second drive base 9, and second drive base 9 and first drive base 8 size are the same, and first drive base 8 and second drive base 9 all have built-in multistage electronic jar, and multistage electronic jar can drive the motion of first spacing cardboard 10 and the spacing cardboard 11 of second, through the inside with the spacing cardboard 10 embedding of first spacing cardboard 6, the inside with the spacing cardboard 11 embedding second spacing groove 7 of second, improves the connection seal after the people's air defense door closes.

Further, first drive base 8 includes first spacing cardboard 10, second drive base 9 includes spacing cardboard 11 of second, and spacing cardboard 11 of second and first spacing cardboard 10 size are the same, the inside of second drive base 9 and first drive base 8 all is provided with multistage electronic jar, and multistage electronic jar includes electric putter, and equal fixed connection between electric putter and the spacing cardboard of first spacing cardboard 10 and the spacing cardboard of second 11, multistage electronic jar work drive electric putter, through the spacing cardboard 11 of electric putter drive second and the spacing cardboard 10 of first, the inside of first spacing cardboard 10 embedding first spacing groove 6, the spacing reinforcement of spacing cardboard 11 embedding second spacing groove 7 of second realizes spacing board 5 in, thereby consolidate the joint strength between door frame 1 and the civil air defense door plant 2, guarantee the seal of whole civil air defense door structure.

Further, people's air defense door plant 2 includes arc panel 12, and arc panel 12 is arc structure, and arc structure possesses good shock resistance to guaranteed the shock resistance of people's air defense door plant 2, improve the shock resistance of people's air defense door plant 2, can bear certain impact force, thereby further guarantee the seal of whole people's air defense door structure.

Further, the sealing groove 3 comprises a plurality of arc grooves 13, the plurality of arc grooves 13 are symmetrically distributed on two sides of the sealing groove 3, the sealing clamping strip 4 comprises a plurality of arc convex strips 14, the plurality of arc convex strips 14 are symmetrically distributed on two sides of the sealing clamping strip 4, and the contact area between the sealing groove 3 and the sealing clamping strip 4 is increased by the plurality of arc grooves 13 and the plurality of arc convex strips 14, namely, the tightness and the connection strength between the sealing groove 3 and the sealing clamping strip 4 are improved.

Further, one side of door frame 1 is provided with hinge connection base 15, and one side of people's air defense door plant 2 is provided with link hinge 16, and the one end of door frame 1 passes through the hinge rotation with the one end of people's air defense door plant 2 to be connected, so people's air defense door plant 2 can rotate for door frame 1, and connected mode is simple, opens and close the convenience to people's air defense door plant 2.

Working principle: when the anti-theft door is used, the anti-theft door plate 2 is rotated, the whole anti-theft door structure is closed, the sealing clamping strips 4 of the anti-theft door plate 2 are embedded into the sealing grooves 3 of the door frame 1, tightness and connection strength of the connection are guaranteed, the contact area between the sealing grooves 3 and the sealing clamping strips 4 is increased by the arc-shaped grooves 13 and the arc-shaped protruding strips 14, the tightness and connection strength between the sealing grooves 3 and the sealing clamping strips 4 are further improved, after the anti-theft door plate 2 is closed, the multistage electric cylinder in the first driving base 8 works to drive the electric push rod, the first limiting clamping plate 10 is driven by the electric push rod, the first limiting clamping plate 10 is embedded into the inner limiting plate 5, the inner limiting plate 5 is subjected to limiting reinforcement, the multistage electric cylinder in the second driving base 9 works to drive the electric push rod, the second limiting clamping plate 11 is embedded into the inner limiting grooves 7 on two sides of the inner limiting plate 5, limiting reinforcement of the inner limiting plate 5 is achieved, and accordingly the connection strength between the door frame 1 and the anti-theft door plate 2 is reinforced, and the anti-theft door structure is guaranteed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a people's air defense door airtight structure, includes door frame (1) and people's air defense door plant (2), its characterized in that: the novel civil air defense door is characterized in that a sealing groove (3) is formed in the front end face of the door frame (1), a sealing clamping strip (4) and an inner limiting plate (5) are arranged on the rear end face of the civil air defense door plate (2), and a mounting substrate (17) is arranged at the rear end of the door frame (1).

2. The air defense door containment structure of claim 1 wherein: the upper end face and the lower end face of the inner limiting plate (5) are respectively provided with a first limiting groove (6), the two side faces of the inner limiting plate (5) are respectively provided with a second limiting groove (7), and the second limiting grooves (7) and the first limiting grooves (6) are the same in size.

3. The air defense door containment structure of claim 1 wherein: the upper portion and the below of mounting substrate (17) rear end face all are provided with first drive base (8), the both sides of mounting substrate (17) rear end face all are provided with second drive base (9), second drive base (9) and first drive base (8) size are the same.

4. A civil air defense door closing structure according to claim 3 wherein: the first drive base (8) comprises a first limiting clamping plate (10), the second drive base (9) comprises a second limiting clamping plate (11), the second limiting clamping plate (11) and the first limiting clamping plate (10) are identical in size, the second drive base (9) and the first drive base (8) are both internally provided with a multistage electric cylinder, the multistage electric cylinder comprises an electric push rod, and the electric push rod is fixedly connected with the first limiting clamping plate (10) and the second limiting clamping plate (11) respectively.

5. The air defense door containment structure of claim 1 wherein: the civil air defense door plate (2) comprises an arc-shaped panel (12).

6. The air defense door containment structure of claim 1 wherein: the sealing groove (3) comprises a plurality of arc grooves (13), the arc grooves (13) are symmetrically distributed on two sides of the sealing groove (3), the sealing clamping strip (4) comprises a plurality of arc convex strips (14), and the arc convex strips (14) are symmetrically distributed on two sides of the sealing clamping strip (4).

7. The air defense door containment structure of claim 1 wherein: one side of the door frame (1) is provided with a hinge connection base (15), and one side of the civil air defense door plate (2) is provided with a connection hinge (16).