CN114382389B

CN114382389B - Earthquake refuge emergency escape door

Info

Publication number: CN114382389B
Application number: CN202111429979.0A
Authority: CN
Inventors: 程佳佳
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-12-09
Anticipated expiration: 2041-11-29
Also published as: CN114382389A

Abstract

The invention discloses an earthquake shelter emergency escape door which comprises a door body and a door lock arranged on one side of the door body, wherein a first door plate, a second door plate, an upper side, a lower side, a left side and a right side of the door body enclose to form a mounting cavity, a lock breaking device and a pry bar for opening the door in an emergency mode are arranged in the mounting cavity, the lock breaking device is in linkage arrangement with the pry bar, and the door lock is arranged on the lock breaking device. Through broken lock device and the pinch bar that sets up the linkage, utilize gear drive, break the effect of lock when the pinch bar prizes the door body to avoid leading to the unable problem of opening of door because the deformation of the door body, shortened the time that personnel fleed, improved the probability of fleing.

Description

Earthquake refuge emergency escape door

Technical Field

The invention relates to the technical field of buildings, in particular to an earthquake shelter emergency escape door.

Background

The earthquake is a natural phenomenon that the earth crust quickly releases energy to generate earthquake waves, and the main reason of the earthquake is that the plate blocks on the earth are mutually extruded and collided to cause the dislocation and the fracture of the plate block edges and the inner part of the plate blocks.

When an earthquake occurs, the door body of the house is easy to deform due to the damage of external force, so that the door cannot be opened, the escape time is prolonged, the safety risk of personnel is increased, and the escape probability is reduced.

Disclosure of Invention

The embodiment of the application provides an earthquake shelter emergency escape door, which solves the problems that when an earthquake occurs, due to the damage of external force, a door body of a house is easy to deform, the door cannot be opened, the escape time is prolonged, the safety risk of people is increased, and the escape probability is reduced.

The embodiment of the application provides an earthquake emergency escape door of taking refuge, including the door body and set up the lock in door body one side, four sides of the first door plant of the door body, second door plant and about from top to bottom enclose into the installation cavity, are provided with broken lock device and the pinch bar that is used for the urgent door that opens in the installation cavity, broken lock device and pinch bar linkage setting, the lock is installed on broken lock device, and the pinch bar setting is opened direction one side at the door body.

Furthermore, a gear is arranged in the installation cavity, the gear is installed between the first door plate and the second door plate through a rotating shaft, one end of the rotating shaft extends out of the second door plate and is connected with the rotating wheel, the lock breaking device is meshed on one side of the gear through a first rack, and the pry bar is meshed on the other side of the gear through a second rack.

Furthermore, the lock breaking device is a frame with a single-side opening, the opening of the frame faces outwards, the door lock is accommodated in the frame, one end, far away from the opening, of the frame is connected with the first rack, and the frame can horizontally move under the driving of the first rack.

Furthermore, one end of the prying bar is wedge-shaped, the other end of the prying bar is connected with the second rack, and the prying bar can horizontally move under the action of the second rack.

Furthermore, a plurality of limiting blocks are arranged on the upper side and the lower side of the lock breaking device and the pry bar, and limit the lock breaking device and the pry bar to move only in the horizontal direction.

Furthermore, a rotating wheel is embedded in the second door plate, and a stop device is arranged on the rotating wheel.

Furthermore, the pry bar is provided with a hollowed-out hole at the vertical projection of the left side, and a decorative cover is arranged at the hollowed-out hole.

And reinforcing ribs are arranged on the first door plate and the second door plate.

The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:

through broken lock device and the pinch bar that sets up the linkage, utilize gear drive, break the effect of lock when the pinch bar prizes the door body to avoid leading to the unable problem of opening of door because the deformation of the door body, shortened the time that personnel fleed, improved the probability of fleing.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a side view of a rotating wheel structure according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic view of a rotating wheel structure;

FIG. 5 is a schematic view of a lock breaking device, a pry bar and a gear connection according to an embodiment of the present application;

fig. 6 is a schematic view of a door breaking principle according to an embodiment of the present application.

In the drawings, there is shown: 1. a door body; 11. a first door panel; 12. a second door panel; 13. a left side; 14. a mounting cavity; 2. a door lock; 3. a lock breaking device; 4. a pry bar; 5. a gear; 51. a rotating shaft; 6. a rotating wheel; 61. rotating the rod; 62. a stopper; 7. a first rack; 8. a second rack; 9. and a limiting block.

Detailed Description

For better understanding of the above technical solutions, the following detailed descriptions will be made in conjunction with the drawings and the detailed description of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An earthquake refuge emergency escape door as shown in fig. 1 and fig. 2 comprises a door body 1 and a door lock 2 arranged on the left side of the door body, wherein a first door plate 11, a second door plate 12, an upper side edge, a lower side edge, a left side edge 13 and a right side edge of the door body 1 form an installation cavity 14 in a surrounding mode, a lock breaking device 3 and a pry bar 4 for opening the door in an emergency mode are arranged in the installation cavity 14, the lock breaking device 3 and the pry bar 4 are arranged in a linkage mode, the door lock 2 is installed on the lock breaking device 3, and the pry bar 4 is arranged on one side of the opening direction of the door body 1.

As shown in fig. 2 and 4, a gear 5 is disposed in the mounting cavity 14, the gear 5 is mounted between the first door panel 11 and the second door panel 12 through a rotating shaft 51, one end of the rotating shaft 51 extends out of the second door panel 12 and is connected with the rotating wheel 6, and the gear 5 can be driven to rotate by rotating the rotating wheel 6. The rotating wheel 6 is embedded in the second door panel 12 to ensure the aesthetic property of the second door panel 12; the rotating wheel 6 is provided with a foldable rotating rod 61, the side wall of the rotating wheel 6 is provided with a stop piece 62, when the rotating rod 61 is folded, the stop piece 62 is pushed out by utilizing the lever principle, so that the stop piece 62 is tightly attached to the second door panel 12, and the gear 5 is prevented from rotating.

As shown in fig. 1, 3, and 5, the lock breaking device 3 is a frame with a single-sided opening, the opening of the frame faces to the left side 13, the door lock 2 is accommodated in the frame, the right side of the frame is welded and fixed to the first rack 7, the first rack 7 is engaged with the upper side of the gear 5, and when the gear 5 is rotated clockwise, the first rack 7 moves rightward, so that the door lock 2 can be disengaged from the lock hole on the door frame, and the unlocking purpose is achieved.

As shown in fig. 1, 3 and 5, three pry bars 4 are sequentially distributed at the upper, middle and lower parts of the door body 1, the pry bars 4 are arranged at one side of the opening direction of the door body, namely the outward opening pry bar 4 is positioned at the second door body side, and the inward opening pry bar 4 is positioned at the first door body side; one end of the pry bar 4 close to the left side edge 13 is wedge-shaped so as to be conveniently cut into the edge of the door frame; the left side of the pry bar 4 is meshed with the lower side of the gear 5 through the second rack 8, and when the gear 5 rotates clockwise, the second rack 8 drives the pry bar 4 to move left, so that the pry bar 4 extends out of the left side 13 and is cut into the edge of the door frame; preferably, the pry bar 4 is provided with a hollow hole at the extending position of the left side edge 13 so as to facilitate the pry bar 4 to extend out, and the decorative cover 131 is covered at the hollow hole for ensuring the attractiveness of the door body.

As shown in fig. 1, a plurality of limit blocks 9 are disposed on the upper and lower sides of the lock breaking device 3 and the pry bar 4, and the limit blocks 9 limit the lock breaking device 3 and the pry bar 4 to move only in the horizontal direction.

Preferably, all be provided with the strengthening rib on first door plant 11, the second door plant 12 to it leads to broken lock device 3, pinch bar 4 card to avoid the deformation of the door body.

The principle of the invention is as follows:

as shown in fig. 1 to 5 and fig. 6 (a), in normal use, the lock breaking device 3 is positioned at the left side 13, the pry bar 4 is positioned in the door body 1, the rotating lever 61 is housed in the rotating wheel 6, and the stopper 62 abuts against the second door panel 12 to fix the lock breaking device and the pry bar.

As shown in fig. 1-5 and fig. 6 (b), when the door body cannot be opened in an emergency, the rotating rod 61 is pulled out, the stopper 62 retracts to enable the rotating wheel 6 to rotate, the rotating wheel 6 rotates clockwise to drive the gear 5 to rotate, and the gear 5 drives the lock breaking device 3 to move right through the first rack 7 to separate the door lock from the lock hole, so that the unlocking function is realized; meanwhile, the second rack 8 drives the pry bar 4 to move leftwards, the left side edge 13 is ejected out to cut into the edge of the doorframe, and the door body is pried open by utilizing the lever principle, so that escape is realized.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An earthquake shelter emergency escape door comprises a door body and a door lock arranged on one side of the door body, and is characterized in that a first door plate, a second door plate, an upper side, a lower side, a left side and a right side of the door body enclose to form an installation cavity, a gear, a lock breaking device for opening the door in an emergency mode and a pry bar are arranged in the installation cavity, the gear is installed between the first door plate and the second door plate through a rotating shaft, and one end of the rotating shaft extends out of the second door plate and is connected with a rotating wheel; the lock breaking device is meshed with one side of the gear through a first rack, and the door lock is installed on the lock breaking device; the prying bar is arranged on one side of the opening direction of the door body, and the prying bar is meshed with the other side of the gear through the second rack, so that the lock breaking device is arranged in a linkage mode with the prying bar.

2. The earthquake shelter emergency escape door as claimed in claim 1, wherein the breaking device is a frame with a single-sided opening, the opening of the frame faces outward, the door lock is accommodated in the frame, one end of the frame far away from the opening is connected with the first rack, and the frame can move horizontally under the driving of the first rack.

3. An earthquake shelter emergency escape door as claimed in claim 1, wherein one end of the pry bar is wedge-shaped, the other end of the pry bar is connected with the second rack, and the pry bar can move horizontally under the action of the second rack.

4. The earthquake shelter emergency escape door as claimed in claim 1, wherein a plurality of limiting blocks are arranged on the upper and lower sides of the lock breaking device and the pry bar, and limit the lock breaking device and the pry bar to move only in the horizontal direction.

5. An earthquake shelter emergency escape door as claimed in claim 1, wherein the rotating wheel is embedded in the second door panel, and a stop device is arranged on the rotating wheel.

6. The emergency escape door for earthquake shelter as claimed in claim 1, wherein a hollow hole is formed in the vertical projection of the left side of the pry bar, and a decorative cover is arranged at the hollow hole.

7. The emergency escape door for earthquake shelter as claimed in claim 1, wherein the first door panel and the second door panel are both provided with reinforcing ribs.