CN219061414U

CN219061414U - Steel structure airtight civil air defense door

Info

Publication number: CN219061414U
Application number: CN202222971211.2U
Authority: CN
Inventors: 李波
Original assignee: Tangshan Hengda Civil Air Defense Equipment Co ltd
Current assignee: Tangshan Hengda Civil Air Defense Equipment Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-23
Anticipated expiration: 2032-11-07

Abstract

The utility model relates to the technical field of civil air defense doors, in particular to a steel structure airtight civil air defense door, which comprises: the door comprises a door frame and a door plate, wherein a hinge is arranged on the door frame, and one end of the hinge is fixed with the door plate. According to the utility model, the universal wheels are used for supporting the ground, so that the door plate can be supported after being opened, and the door plate is prevented from falling off due to long-time stress damage of the hinge; the sealing effect of the airtight door can be improved through the arrangement of the first sealing ring and the second sealing ring.

Description

Steel structure airtight civil air defense door

Technical Field

The utility model relates to the technical field of civil air defense doors, in particular to a steel structure airtight civil air defense door.

Background

The civil air defense door is a door at the entrance and the exit of civil protection engineering, has more vivid classification, and comprises common single-leaf and double-leaf protection airtight doors and airtight doors, movable threshold single-leaf and double-leaf protection airtight doors, airtight doors and other various civil air defense equipment, and the common single-leaf and double-leaf protection airtight doors and airtight doors are the earliest in shaping and have been widely selected. The air conditioner is characterized by simple structure, reliable operation and convenient maintenance, and is suitable for entrances and exits of various civil air defense projects.

When the existing airtight civil air defense door is used, the door plate and the door frame are generally connected by adopting a hinge, because the door plate is thick and heavy, the hinge is stressed in the use process, the door plate is easy to be damaged by the hinge to fall off, and the airtight door has the defects of poor airtight effect and inflexible use.

For example, the authorization bulletin number CN211370178U discloses a steel structure airtight civil air defense door, and the utility model relates to the technical field of civil air defense doors. This airtight people's air defense door of steel construction has offered the mounting groove through the inside of people's air defense door body to fixedly connected with acoustic celotex board between the top and the bottom of mounting groove inner wall, the equal fixedly connected with abatvoix in both sides of mounting groove inner wall, and the relative one side of two abatvoix respectively with the both sides fixed connection of acoustic celotex board, utilize the setting of two abatvoix and acoustic celotex board, the sound insulation effect of people's air defense door has been improved effectively, the back fixedly connected with go-between through people's air defense door body, and the fixed surface of go-between is connected with the rubber circle, the spread groove with go-between looks adaptation is offered in the front of wall body, and adopt clearance fit between the inside of spread groove and the surface of go-between, utilize the go-between and the rubber circle to be connected in the spread groove, the airtight effect of people's air defense door when using has been guaranteed.

In the above patent and the prior art, there is a problem that the hinge is stressed and damaged to cause the door plate to drop and the sealing effect is poor in the use process of the airtight door.

There is therefore a need for a steel structure airtight civil air defense door that solves the above mentioned problems.

Disclosure of Invention

The utility model aims to provide a steel structure airtight civil air defense door, which aims to solve the problem that a hinge of the civil air defense door is easy to damage after long-time stress.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a steel structure airtight civil air defense door comprising: the door comprises a door frame and a door plate, wherein a hinge is arranged on the door frame, and one end of the hinge is fixed with the door plate.

Preferably, the door frame is provided with reserved slots, the reserved slots are used for accommodating universal wheels, and the number of the reserved slots is 3.

Preferably, the universal wheel is installed to the lower extreme of door plant, and universal wheel roll connection is on ground, supports the ground through the universal wheel after the door plant is opened and gives the door plant support, can reduce the hinge atress to avoid the door plant to drop, the universal wheel corresponds with the reservation groove, and when the door plant was opened, the universal wheel rolled out from the reservation inslot side, and the universal wheel is received the reservation inslot side again after the door plant is closed.

Preferably, the inner wall of the door frame is provided with a first sealing ring, the first sealing ring is in butt joint with the door plate, and the joint of the door plate and the door frame is sealed by the connection of the first sealing ring and the door plate.

Preferably, the inner wall of the door frame is provided with a second sealing ring, the second sealing ring is in butt joint with the door plate, and the joint of the door plate and the door frame is sealed by the connection of the second sealing ring and the door plate.

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

1. according to the utility model, the universal wheels are used for supporting the ground, so that the door plate can be supported after being opened, and the door plate is prevented from falling off due to long-time stress damage of the hinge.

2. The sealing effect of the airtight door can be improved through the arrangement of the first sealing ring and the second sealing ring.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;

in the figure: 1 door frame, 11 first sealing washer, 12 second sealing washer, 13 reservation groove, 14 hinges, 2 door plant, 21 universal wheels.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 and 2, a steel structure airtight civil air defense door in the drawings includes: door frame 1 and door plant 2 install hinge 14 on the door frame 1, and the one end of hinge 14 is fixed with door plant 2.

The door frame 1 is provided with reservation grooves 13, and reservation grooves 13 are used for accomodating universal wheels 21, and the quantity of reservation grooves 13 is 3.

The universal wheels 21 are installed at the lower extreme of door plant 2, and the quantity of universal wheels 21 is 3, installs the lower terminal surface of door plant 2 through threaded connection, and universal wheels 21 roll connection is on ground, supports ground through universal wheels 21 after door plant 2 opens and gives door plant 2 support, can reduce hinge 14 atress to avoid door plant 2 whereabouts, universal wheels 21 correspond with reservation groove 13, when door plant 2 opens, universal wheels 21 roll out from reservation groove 13 inboard, and door plant 2 is closed back universal wheels 21 and is received reservation groove 13 inboard again.

When the airtight door is used: after the door plate 2 is opened, the universal wheels 21 are abutted against the ground to support the door plate 2, so that the door plate 2 can be prevented from falling off due to the stress damage of the hinge 14.

Example 2

Referring to fig. 2, this embodiment further describes example 1, in which a steel structure airtight civil air defense door includes: door frame 1 and door plant 2 install hinge 14 on the door frame 1, and the one end of hinge 14 is fixed with door plant 2.

The inner wall of door frame 1 is provided with first sealing washer 11, and first sealing washer 11 and door plant 2 butt are met to door plant 2 and are sealed door plant 2 and door frame 1 junction through first sealing washer 11.

The inner wall of the door frame 2 is provided with a second sealing ring 12, the second sealing ring 12 is abutted with the door plate 2, and the joint of the door plate 2 and the door frame 1 is sealed by the connection of the second sealing ring 12 and the door plate 2.

In this embodiment, the junction of door frame 1 and door plant 2 is provided with first sealing washer 11 and second sealing washer 12, when door plant 2 and door frame 1 are connected, can carry out dual seal to the junction through first sealing washer 11 and second sealing washer 12 and improve sealed effect.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steel structure airtight civil air defense door, comprising:

door frame (1) and door plant (2), install hinge (14) on door frame (1), the one end of hinge (14) is fixed with door plant (2), be provided with reservation groove (13) on door frame (1), universal wheel (21) are installed to the lower extreme of door plant (2), and universal wheel (21) correspond with reservation groove (13), the inner wall of door frame (1) is provided with first sealing washer (11), first sealing washer (11) and door plant (2) butt, the inner wall of door frame (1) is provided with second sealing washer (12), second sealing washer (12) and door plant (2) butt.