CN202300040U

CN202300040U - Exit door

Info

Publication number: CN202300040U
Application number: CN2011203644197U
Authority: CN
Inventors: 贾元盛
Original assignee: Individual
Current assignee: Beijing Fali Sports Facilities Engineering Co Ltd
Priority date: 2011-09-27
Filing date: 2011-09-27
Publication date: 2012-07-04
Anticipated expiration: 2021-09-27

Abstract

The utility model relates to a door and discloses an exit door. The exit door comprises a door frame, a door leaf, an auxiliary door leaf, a first spring hinge and a second spring hinge, wherein the door leaf is arranged on the inner side of the door frame and the auxiliary door leaf is arranged at the connected clearance of the door leaf and the door frame; the auxiliary door leaf is connected with the door leaf by the first spring hinge; and the secondary door leaf is connected with the door frame by the second spring hinge. According to the technical scheme provided by the embodiment of the utility model, the opening speed of the door leaf is controllable and the door leaf can be automatically closed, and thus, higher safety is obtained.

Description

A kind of exit door

Technical field

The utility model relates to door, relates in particular to a kind of exit door.

Background technology

Exit door is claimed emergency evacuation door, escape, passageway for fire apparatus door again, is a kind of door that is mainly used in the express passway of emergency escape and fire-fighting relief.

Aerated film building be with special building film material as shell, be equipped with one and overlap intelligentized electromechanical equipment and the malleation of air is provided, a kind of architectural structural system that supports building body at the aerated film building interior.Aerated film building has that the span area is big, flexible characteristic, can make to measure to be used for heavy construction, and like airport, waiting hall for airplanes, industrial premises, warehouse etc., broader applications are in cultural tour industry, sports industry, environmental protection industry and military industry.

Existing exit door mainly is made up of doorframe, door leaf, push rod lock; When application and aerated film were built, normal condition was the state from interior locking, and when needs are opened exit door; Open push rod lock; This moment since the positive pressure of aerated film building interior on door leaf, the speed that door leaf is opened is exceedingly fast and can not controls, and causes personnel outdoors wounded easily.Door leaf is in opening, because the outside air-flow effect of aerated film building, makes door leaf self-return timely, and shutoff operation is inconvenient, and because door leaf can not cut out automatically, makes the aerated film building produce the danger on the top of collapsing easily.

The utility model content

The goal of the invention of the utility model is to provide a kind of and can closes automatically, and the door leaf opening speed can be controlled, and is applicable to the exit door of aerated film building.

In order to realize the foregoing invention purpose, the technical scheme of the utility model is:

A kind of exit door comprises doorframe, door leaf, secondary door leaf, spring hinge, door-hinge, and said door leaf is installed in the inboard of doorframe, comprises that said secondary door leaf is installed in the slit that door leaf is connected with doorframe; Said secondary door leaf is connected through spring hinge with door leaf; Said secondary door leaf is connected through door-hinge with doorframe.

Alternatively, on said door leaf, push rod lock is installed.

Alternatively, on door leaf, offer window; On said window, observation port is installed.

The utility model is installed secondary door leaf in the slit that door leaf is connected with doorframe; And secondary door leaf is connected with spring hinge with door leaf, and is same, and secondary door leaf also is connected with spring hinge with doorframe; Pass through said structure; Make the utility model door leaf opening speed to control, make simultaneously and can live the outside pressure of aerated film building interior surely when door leaf cuts out, and make door leaf can be repositioned to locking states.

The utility model makes that through push rod lock is installed the utility model safety is higher on door leaf.

The utility model is installed on window simultaneously and is observed biography through on door leaf, offering window, makes the utility model can observe personnel outdoors, prevents that further door leaf from crushing personnel outdoors.Improved safety.

Therefore, the technical scheme of application the utility model embodiment, the door leaf opening speed is controlled, and door leaf can cut out automatically, and safety is higher.

Description of drawings

Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, does not constitute the improper qualification to the utility model, in the accompanying drawings:

A kind of elevation that Fig. 1 provides for the utility model;

A kind of vertical view that is in closed condition that Fig. 2 provides for the utility model;

A kind of vertical view that is in open mode that Fig. 3 provides for the utility model.

The specific embodiment

To combine accompanying drawing and specific embodiment to specify the utility model below, be used for explaining the utility model in the illustrative examples and the explanation of this utility model, but not as the qualification to the utility model.

Embodiment 1:

Like Fig. 1, shown in Figure 2; Present embodiment discloses a kind of exit door, and it comprises doorframe 100, door leaf 200, secondary door leaf 300, push rod lock 400, spring hinge 310, door-hinge, and a side of door leaf 300 is connected the inboard of doorframe 100; With the slit that is connected of doorframe 100 secondary door leaf 300 is installed at door leaf 300; The right side of secondary door leaf 300 is connected through spring hinge 310 with door leaf 200, and the left side of secondary door leaf 300 is connected through door-hinge 320 with doorframe 100, and push rod lock 400 is installed on the door leaf 200.

Present embodiment uses step following:

As shown in Figure 3, when opening present embodiment, door leaf 200 is in the parallel state of drawing close with secondary door leaf 300; At first need open push rod lock 400, because the outside effect of the malleation of aerated film building interior cooperates the promotion of manpower again; Door leaf 200 can outwards be opened, and this moment, spring hinge 310 twisted door-hinge 320 clockwise shearings counterclockwise; Make door leaf 200 and secondary door leaf 300 be brought to once more parallel folding drawing close from parallel, this moment, present embodiment was in the state of opening fully.Wherein remaining reaction force at process medi-spring hinge 310, the door-hinge 320 of opening present embodiment, making the door leaf 200 outside speed of opening of present embodiment reduce greatly, is controlled thereby make the speed of unlatching.

In conjunction with Fig. 1, Fig. 2, when closing present embodiment, the spring hinge 310 of present embodiment, the reaction force of door-hinge 320 make present embodiment in the promotion that loses manpower, can at the uniform velocity close automatically greater than the outside malleation of aerated film building interior.The push rod lock 400 that is installed on the door leaf 200 cooperates with doorframe 100, makes present embodiment to close internally, prevents to open from the outside, has improved safety, because push rod lock 400 is easy to open internally, has prevented potential safety hazard simultaneously.

Embodiment 2:

As shown in Figure 1, present embodiment is that with embodiment 1 different place present embodiment offers window (not indicating) on door leaf 200; And go up installation observation port 210 at window (indicating); When present embodiment was installed in passageway for fire apparatus or emergency exit, situation about in door, observe outdoors through observation port 210 prevented because the unlatching of door leaf 200 is wounded or crushed personnel outdoors; Make present embodiment practical more, improved safety simultaneously.

More than technical scheme that the utility model embodiment is provided carried out detailed introduction; Used concrete example among this paper principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.

Claims

1. an exit door comprises doorframe, door leaf, and said door leaf is installed in the inboard of doorframe, it is characterized in that:

Comprise secondary door leaf, spring hinge, door-hinge;

Said secondary door leaf is installed in the slit that door leaf is connected with doorframe;

Said secondary door leaf is connected through spring hinge with door leaf;

Said secondary door leaf is connected through door-hinge with doorframe.

2. a kind of exit door according to claim 1 is characterized in that:

On said door leaf, push rod lock is installed.

3. a kind of exit door according to claim 1 is characterized in that:

On door leaf, offer window;

On said window, observation port is installed.