CN211819066U

CN211819066U - Hidden fireproof door and window

Info

Publication number: CN211819066U
Application number: CN201922450433.8U
Authority: CN
Inventors: 严文兵
Original assignee: Anhui Haoji Door Manufacturing Co Ltd
Current assignee: Anhui Haoji Door Manufacturing Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-30
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a hidden fire prevention door and window, it relates to fire prevention door and window technical field. The hidden fireproof door and window comprises a window frame, wherein a hidden hinge is embedded in one inner side wall of the window frame, one side of the hidden hinge is hinged with a window body, and the window body is connected with the window frame in an openable and closable manner through a hidden window latch mechanism. The utility model discloses the hidden window catch mechanism that sets up can only see the apron that pastes mutually with the window frame in the outside, has low identifiability, also changes the hinge between window frame and the window form into hidden simultaneously, and whole fire window looks near totally enclosed construction outside like this, can reduce children and open the probability of fire window at will.

Description

Hidden fireproof door and window

Technical Field

The utility model relates to a fire door and window technical field, concretely relates to hidden fire door and window.

Background

With the increasing quality of people's lives and the emphasis of national public security fire departments on disaster prevention and reduction in public areas, fire doors and windows are increasingly applied to the outer walls of buildings, and can be used for blocking flames and smoke when a fire breaks out. In the prior art, most of the fireproof windows with single doors adopt external handle type window latches to realize the opening and closing of the window body, the design is too obvious, the fireproof windows are easy to be recognized by children to open and forget to close in a public area, when a fire disaster happens, the unclosed fireproof windows cannot play a role in blocking flames and smoke, and great potential safety hazards exist; however, in order to make the fire window have the function of an escape passage at the later stage, the fire window cannot be completely designed into a fully-closed structure. It is therefore desirable to design a fire resistant window incorporating a low-identifiability latch.

SUMMERY OF THE UTILITY MODEL

To the not enough of existence on the prior art, the utility model provides a hidden fire prevention door and window.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

a hidden fireproof door and window comprises a window frame, wherein a hidden hinge is embedded in one inner side wall of the window frame, a window body is hinged to one side of the hidden hinge, and the window body is connected with the window frame in an openable and closable manner through a hidden window latch mechanism; the hidden window latch mechanism comprises a groove arranged on the outer wall of the window frame, a through hole is vertically arranged on the inner wall of the groove facing to one side of the window body, the through hole penetrates through the side wall of the window frame, the bottom surface of the through hole is flush with the bottom surface of the groove, a latch groove is arranged on the side wall of the window body opposite to the through hole, a window latch with an L-shaped cross section is movably inserted in the through hole, the horizontal part of the window latch passes through the through hole, the end part of the window latch can be inserted into the latch groove, the vertical part of the window latch is fixedly connected with the inner wall of the groove through a return spring, the return spring is positioned at the bottom of the groove, the return spring can keep the vertical part of the window latch to be attached to the inner wall of the groove under the natural state, the top surface of the vertical part of the window latch is flush with the surface of the outer wall of the, the bottom surface of the cover plate is attached to the surface of the window frame.

Furthermore, a guide groove is vertically formed in the inner wall of the groove above the return spring, a guide rod is movably inserted into the guide groove, and one end of the guide rod is fixedly connected with the vertical part of the window latch; when the guide rod extends into the bottom of the guide groove under the action of external force, the horizontal part of the window latch is separated from the latch groove.

Further, the inner dimension of the guide groove is matched with the outer dimension of the guide rod.

Further, the through hole and the latch groove have inner dimensions that match the outer dimensions of the horizontal portion of the window latch.

Further, the cover plate is made of the same material as the window frame.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses the hidden window catch mechanism that sets up can only see the apron that pastes mutually with the window frame in the outside, has low identifiability, also changes the hinge between window frame and the window form into hidden simultaneously, and whole fire window looks near totally enclosed construction outside like this, can reduce children and open the probability of fire window at will.

Drawings

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

FIG. 3 is a cross-sectional view of an exploded portion of the reveal and window of FIG. 2;

fig. 4 is a cross-sectional view of the window latch of fig. 2 open.

Description of reference numerals: 1-a window frame; 2-window body; 3-a hidden window latch mechanism; 301-grooves; 302-a via; 303-a latch slot; 304-a guide slot; 305-a window latch; 306-a guide rod; 307-a return spring; 308-cover plate; 4-hidden hinge.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, the hidden fireproof door and window of the present invention includes a window frame 1, a hidden hinge 4 is embedded on an inner side wall of the window frame 1, a window body 2 is hinged on one side of the hidden hinge 4, and the window body 2 is connected with the window frame 1 through a hidden window latch mechanism 3 in an openable and closable manner; the hidden window latch mechanism 3 comprises a groove 301 arranged on the outer wall of the window frame 1, a through hole 302 is vertically formed in the inner wall of one side, facing the window body 2, of the groove 301, the through hole 302 penetrates through the side wall of the window frame 1, the bottom surface of the through hole 302 is flush with the bottom surface of the groove 301, a latch groove 303 is formed in the side wall, opposite to the through hole 302, of the window body 2, a window latch 305 with an L-shaped cross section is movably inserted in the through hole 302, the horizontal part of the window latch 305 penetrates through the through hole 302, the end part of the window latch 305 can be inserted into the latch groove 303, and the inner sizes of the through hole; the vertical part of the window latch 305 is fixedly connected with the inner wall of the groove 301 through a return spring 307, the return spring 307 is positioned at the bottom of the groove 301, the return spring 307 can keep the vertical part of the window latch 305 attached to the inner wall of the groove 301 in a natural state, the top surface of the vertical part of the window latch 305 is flush with the surface of the outer wall of the window frame 1, the top surface of the vertical part of the window latch 305 is fixedly connected with a cover plate 308 covering the top opening of the groove 301, and the bottom surface of the cover plate 308 is attached to the surface of the window frame 1; preferably, the cover plate 308 is made of the same material as the window frame 1, so that the cover plate 308 is made of the same material as the window frame 1, which can confuse the view and prevent the child from thinking that the cover plate 308 is the handle for pushing the window latch 305.

As shown in fig. 2 and 4, as a preferable technical solution, a guide groove 304 is vertically formed on the inner wall of the groove 301 above the return spring 307, a guide rod 306 is movably inserted in the guide groove 304, and one end of the guide rod 306 is fixedly connected with the vertical part of the window latch 305; when the guide bar 306 is extended into the bottom of the guide groove 304 by an external force, the horizontal part of the window latch 305 is separated from the latch groove 303, and the inner dimension of the guide groove 304 is matched with the outer dimension of the guide bar 306; the guide rod 306 can prevent the return spring 307 from popping out, keep the return spring 307 stably extending and retracting, and the window 2 can be opened by the guide rod 306 extending into the bottom of the guide groove 304, so that clear prompt is given to people.

According to the above structure, the utility model discloses when using, when needing to open window form 2, only need artifical promotion apron 308, until guide bar 306 stretches guide groove 304 bottom, the horizontal part of window latch 305 is taken out from latch groove 303 this moment, can open window form 2.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hidden fire door and window which characterized in that: the window comprises a window frame, wherein a hidden hinge is embedded in one inner side wall of the window frame, one side of the hidden hinge is hinged with a window body, and the window body is connected with the window frame in an openable and closable manner through a hidden window latch mechanism; the hidden window latch mechanism comprises a groove arranged on the outer wall of the window frame, a through hole is vertically arranged on the inner wall of the groove facing to one side of the window body, the through hole penetrates through the side wall of the window frame, the bottom surface of the through hole is flush with the bottom surface of the groove, a latch groove is arranged on the side wall of the window body opposite to the through hole, a window latch with an L-shaped cross section is movably inserted in the through hole, the horizontal part of the window latch passes through the through hole, the end part of the window latch can be inserted into the latch groove, the vertical part of the window latch is fixedly connected with the inner wall of the groove through a return spring, the return spring is positioned at the bottom of the groove, the return spring can keep the vertical part of the window latch to be attached to the inner wall of the groove under the natural state, the top surface of the vertical part of the window latch is flush with the surface of the outer wall of the, the bottom surface of the cover plate is attached to the surface of the window frame.

2. The concealed fire door or window of claim 1, wherein: a guide groove is vertically formed in the inner wall of the groove above the reset spring, a guide rod is movably inserted into the guide groove, and one end of the guide rod is fixedly connected with the vertical part of the window latch; when the guide rod extends into the bottom of the guide groove under the action of external force, the horizontal part of the window latch is separated from the latch groove.

3. The concealed fire door or window of claim 2, wherein: the inner size of the guide groove is matched with the outer size of the guide rod.

4. The concealed fire door or window of claim 1, wherein: the through hole and the latch groove have inner dimensions which are matched with the outer dimensions of the horizontal part of the window latch.

5. The concealed fire door or window of claim 1, wherein: the cover plate is made of the same material as the window frame.