CN2155425Y

CN2155425Y - Ventilation device for theft-proof doors

Info

Publication number: CN2155425Y
Application number: CN 93217412
Authority: CN
Inventors: 钟晓峰; 徐云胜
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-02
Filing date: 1993-07-02
Publication date: 1994-02-09
Anticipated expiration: 2003-07-02

Abstract

The utility model relates to a ventilation device for theft-proof doors, which comprises an outline border, cascades and a support, wherein, the cascades are arranged orderly in a certain space, making the top of each cascade positioned in a connection line at the edge of the rear of the adjacent cascade, a ventilative passageway that can keep off light is formed between two adjacent cascades, the cascades are fixed on the outline border, the support passes through the top of each cascade to steady the cascades, and the both ends of the support are fixed on the outline border. The device is simple in structure and can ventilate and keep off light, and that brings convenience to residents.

Description

Ventilation device for theft-proof doors

The utility model relates to a kind of ventilation installation that is used for security door.

The employed security door of people adopts steel plate bar or reinforcing bar to be welded mostly at present, during the broiling summer, in order to ventilate, then open door, for preventing in the mosquitos and flies inlet chamber, have on security door, mount one deck gauze, and at this moment indoor situation is covering all at one glance outdoors, close and call again hot summer weather unbearably, thereby make troubles to resident family.

The purpose of this utility model is exactly the deficiency that overcomes prior art, and providing a kind of can ventilate, and the ventilation installation of security door that can not the printing opacity line.

The purpose of this utility model realizes by following content, the ventilation installation of security door comprises leaf grating, housing, support, wherein the doorframe of housing and security door is big equally, and can be installed on the security door, the groove of placing leaf grating is arranged on housing, and it is the same with the shape of leaf grating, perhaps there is clamping to install the member of leaf grating, described leaf grating semicircular in shape or " V " font, leaf grating is arranged successively with certain spacing and is put, and the top of each leaf grating is within the rear part edge phase connection of adjacent leaf grating, is formed with ventilation stack like this between two adjacent leaf gratings, but it can obstruct the light

Because leaf grating is to place from top to the bottom of housing, span is bigger, therefore for further firm leaf grating, horizontal direction in the housing is provided with support, be generally the 2-4 root, the top of each leaf grating is passed in described supporting, and two ends are packed on the housing, thereby some leaf gratings that vertical row is put obtain firmly.Described leaf grating can be made by thin metal or plastics.

The utility model is simple in structure, has but played ventilation purpose, and works to block light, bring convenience to resident family, and easy for installation, be a kind of well-adapted security door accessories apparatus.

Further describe structure content of the present utility model below in conjunction with accompanying drawing, wherein:

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 and Fig. 3 are the sectional views that is cutd open along A-A line among Fig. 1, and show the position relation of " V " font and the discharging of semicircle leaf grating.

Referring to Fig. 1 and Fig. 2, the ventilation installation of security door comprises leaf grating 1, housing 2, supporting 3, wherein leaf grating 1 is arranged successively with certain spacing and put, the top 5 of each leaf grating is within adjacent leaf grating rear part edge 4 phase connections (interior Fig. 2 and Fig. 3), between two adjacent leaf gratings, form ventilation stack 6, leaf grating 1 is packed on the housing, for making leaf grating 1 further firm, and being provided with in a lateral direction in housing support 3, and it passes the top 5 of each leaf grating 1.

Claims

1, a kind of ventilation installation of security door is characterized in that it includes leaf grating, housing, support, and wherein the doorframe of housing and security door is big equally, and can be installed on the security door; The groove of placing leaf grating or the member that clamping installs leaf grating are arranged on housing, described leaf grating semicircular in shape or " V " font, leaf grating is arranged successively with certain spacing and is put, the top of each leaf grating is within the continuous wiring of rear part edge of adjacent leaf grating, between two adjacent leaf gratings, ventilation stack is arranged, horizontal direction is provided with support in the housing, and the top of each leaf grating is passed in this support, and the two ends of support are packed on the housing.

2, security door ventilation installation according to claim 1 is characterized in that described leaf grating is to be made by thin metal or plastics, and described support is generally the 2-4 root.