CN218934181U

CN218934181U - Access door safety structure

Info

Publication number: CN218934181U
Application number: CN202220877207.7U
Authority: CN
Inventors: 徐康康; 江利民
Original assignee: Huangshan Xinbeiteke Industry And Trade Co ltd
Current assignee: Huangshan Xinbeiteke Industry And Trade Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2023-04-28
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses an access door safety structure, which comprises a square frame and a cover plate positioned at the inner ring of the square frame, wherein square grooves are formed in the peripheral edges of the square frame and the cover plate, angle irons are arranged at four corners of the square grooves, one ends of two angle irons positioned at the same side of the square frame are connected with horizontal limiting plates.

Description

Access door safety structure

Technical Field

The utility model relates to the technical field of access doors, in particular to an access door safety structure.

Background

The access door safety structure comprises a square frame and a cover plate positioned at the inner ring of the square frame, wherein square grooves are formed in the edges of the periphery of the square frame and the cover plate, angle irons are arranged at four corners of the square grooves, and one ends of two angle irons positioned at the same side of the square frame are connected with horizontal limiting plates; an access door for installing on the roof is due to lack of a limiting structure, so that the cover plate slides randomly and is easy to separate, and potential danger exists.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an access door safety structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an access door safety structure, includes the shape frame that returns and is located the apron of its inner circle, the edge all around of shape frame and apron returns and is equipped with the groove, and angle bar is installed in the four corners in groove that returns, and two angle bar one ends that are located shape frame and one side are connected with horizontal limiting plate, and the other end is connected with vertical limiting plate, and door bump A part is installed to two angle bar tip of opposite side, and the end connection of two angle bars that are located apron and one side has the lapping plate, and the lapping plate is located between horizontal limiting plate and the vertical limiting plate, and the end connection of two angle bars of opposite side has the door bump B part.

Preferably, T-shaped connecting blocks are arranged in the return grooves on the return frame and the cover plate, the T-shaped connecting blocks are arranged close to the door bump A component, connecting holes are formed in the T-shaped connecting blocks, and the two connecting holes are connected through a steel wire rope.

Preferably, the upper end of the steel wire rope is bound with the connecting hole above, the lower end of the steel wire rope is connected with a climbing buckle, and the climbing buckle is connected with the connecting hole below.

Preferably, the door bump A component is connected to the connecting plate through a screw, and the connecting plate is connected with the angle iron.

Preferably, the connecting plate, the horizontal limiting plate, the vertical limiting plate and the lapping plate are all integrally formed with the corresponding angle iron in a punching mode.

Compared with the prior art, the utility model has the beneficial effects that: the door stopper is simple in structure, when the cover plate is closed with the door stopper B, the door stopper A component is connected with the door stopper B component, the lapping plate is lapped on the door stopper B component, the horizontal limiting plate is pressed on the cover plate, at the moment, the door stopper A component is separated from the door stopper B component by limiting the cover plate to move upwards by limiting the cover plate by the lapping plate when the door stopper A component is closed with the door stopper B component, the cover plate can be opened, and the vertical limiting plate is limited to slide on the door stopper B component without limit, so that the stability and safety of the door stopper are improved.

Drawings

In order to more particularly and intuitively illustrate an embodiment of the present utility model or a technical solution in the prior art, a brief description of the drawings is provided below, which are required to be used in the description of the embodiment or the prior art.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

fig. 3 is a schematic diagram of a third embodiment of the present utility model.

In the figure: the door stopper comprises a square frame 1, a cover plate 2, a square groove 3, angle irons 4, a door stopper A component 5, a T-shaped connecting block 6, a steel wire rope 7, a door stopper B component 8, a horizontal limiting plate 9, a vertical limiting plate 10 and a lapping plate 11.

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. 1-3, an access door safety structure comprises a square frame 1 and a cover plate 2 positioned at the inner ring of the square frame 1, square grooves 3 are formed in the peripheral edges of the square frame 1 and the cover plate 2, angle irons 4 are installed at four corners of the square grooves 3, one ends of two angle irons 4 positioned at the same side of the square frame 1 are connected with a horizontal limiting plate 9, the other ends of the two angle irons are connected with a vertical limiting plate 10, door bump A parts 5 are installed at the end parts of the two angle irons 4 positioned at the other side, a lapping plate 11 is connected with the end parts of the two angle irons 4 positioned at the same side of the cover plate 2, the lapping plate 11 is positioned between the horizontal limiting plate 9 and the vertical limiting plate 10, and door bump B parts 8 are connected with the end parts of the two angle irons 4 positioned at the other side.

In this embodiment, all install T type connecting block 6 in the return channel 3 on return shape frame 1 and the apron 2, T type connecting block 6 is close to door bump A part 5 setting, is equipped with the connecting hole on the T type connecting block 6, and two connecting holes pass through wire rope 7 and connect, prevent when door bump A part 5 and door bump B part 8 separation, apron 2 drops in the twinkling of an eye, hurts the maintainer, improves its security.

In this embodiment, the upper end of the wire rope 7 is tied together with the connecting hole above, the lower end is connected with a climbing buckle, the climbing buckle is connected with the connecting hole below, and the cover plate 2 is conveniently separated from the cover plate 2 by utilizing the climbing buckle.

In this embodiment, door bump A part 5 passes through the screw connection on the connecting plate, and the connecting plate is connected with angle bar 4, and connecting plate, horizontal limiting plate 9, vertical limiting plate 10 and overlap plate 11 all with the integrative stamping forming of angle bar 4 that corresponds, improve its intensity.

In the scheme, when the cover plate 2 is closed with the square frame 1, the door bump A part 5 is connected with the door bump B part 8, the lap joint plate 11 is lapped on the square frame 1, the horizontal limiting plate 9 is pressed on the cover plate 2, the square frame 1 is limited to the cover plate 2 to move horizontally, the lap joint plate 11 is limited to the cover plate 2 to move downwards, the horizontal limiting plate 9 is limited to the cover plate 2 to move upwards, the cover plate 2 is fixed, the door bump A part 5 is separated from the door bump B part 8, the lap joint plate 11 is lapped on the square frame 1, the cover plate 2 can be opened, and the vertical limiting plate 10 is limited to the lap joint plate 11 to slide on the square frame 1 without limit, so that the stability and the safety of the door bump B part are improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an access door safety structure, includes shape frame (1) and is located apron (2) of its inner circle, its characterized in that, shape frame (1) and apron (2) all are equipped with back groove (3) all around the edge, angle bar (4) are installed in the four corners of back groove (3), two angle bar (4) one end that are located shape frame (1) and one side are connected with horizontal limiting plate (9), the other end is connected with vertical limiting plate (10), door bump A part (5) are installed to two angle bar (4) tip of opposite side, the end connection who is located two angle bars (4) of apron (2) and one side has overlap plate (11), overlap plate (11) are located between horizontal limiting plate (9) and vertical limiting plate (10), the end connection of two angle bars (4) of opposite side has door bump B part (8).

2. The access door safety structure according to claim 1, wherein the T-shaped connecting blocks (6) are arranged in the return grooves (3) on the return frames (1) and the cover plates (2), the T-shaped connecting blocks (6) are arranged close to the door bump A component (5), connecting holes are formed in the T-shaped connecting blocks (6), and the two connecting holes are connected through the steel wire ropes (7).

3. An access door safety structure according to claim 2, characterized in that the upper end of the steel wire rope (7) is tied together with the upper connecting hole, the lower end is connected with a climbing buckle, and the climbing buckle is connected with the lower connecting hole.

4. An access door safety arrangement according to claim 3, characterized in that the door strike a part (5) is connected to the connection plate by means of screws, the connection plate being connected to the angle iron (4).

5. The access door safety structure according to claim 4, wherein the connecting plate, the horizontal limiting plate (9), the vertical limiting plate (10) and the lapping plate (11) are formed by stamping integrally with the corresponding angle iron (4).