CN214740884U - High-strength single-leaf airtight door - Google Patents

Abstract

The application discloses high strength single leaf airtight door, include the door frame and locate the airtight door in the door frame, be equipped with the appearance chamber that is used for holding airtight door in the door frame, airtight door includes the first door body, the second door body and first spring, the first door body sets up with the interval of the second door body, the circumference of the second door body is connected with the door frame through first spring, still be equipped with stop gear between the first door body and the second door body, stop gear limits the removal of the second door body, when the first door body receives external shock, the first door body makes the second door body become active state through stop gear. The application provides a single airtight door of high strength makes the protecting against shock ability promotion of airtight door through simple structural design, and enables airtight door and be difficult to the card after bearing the impact and die, very big reduction the cost.

Description

High-strength single-leaf airtight door

Technical Field

The application relates to the field of airtight doors, in particular to a high-strength single-leaf airtight door.

Background

The protective airtight door is arranged on the outermost side of the entrance and the exit, and the protective airtight door can block shock waves to meet the corresponding resistance requirement. When the protective airtight door is selected, the requirement on the size of a hole and the requirement on design pressure are met, but the existing protective airtight door is expensive in manufacturing cost, and if the protective airtight door needs to be capable of protecting against large impact, more protective materials are needed, so that the cost is linearly increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a high strength single-leaf airtight door makes the protecting against shock ability of airtight door promote through simple structural design, and enables the airtight door to be difficult to the card after bearing the impact and die, very big reduction the cost.

For reaching above purpose, this application provides a high strength single leaf sealed door, include the door frame and locate the sealed door in the door frame, first spring in the door frame with be equipped with and be used for the holding the appearance chamber of sealed door, sealed door includes the first door body, the second door body, the first door body with the second door body interval sets up, the circumference of the second door body is passed through first spring with the door frame is connected, the first door body with still be equipped with stop gear between the second door body, stop gear limits the second door body removes, works as when the first door body receives external force and strikes, the first door body passes through stop gear makes the second door body becomes active state.

Compared with the prior art, the beneficial effect of this application lies in: the two door bodies are arranged in front and back to form a whole, so that the two doors are fixed in a normal use state, and the normal use is not influenced; when the impact comes, the first door body can carry out the buffering of first layer as a buffer layer, weaken the impact force, the first door body can drive stop gear afterwards and make the second door body become active state, bear the impact force and hit the second door body when the first door body, the first spring of second door body accessible is the shake in the door frame and is alleviated the impact force that comes from with the first door body direction, make the impact force of the perpendicular to second door body through first spring dispersion, reach the purpose that weakens layer upon layer, very big impact force of having alleviated, the effect that sealed door shocks resistance has been improved.

As an improvement, the limiting mechanism comprises a limiting block, a through hole is arranged on the second door body, the aperture of the through hole is gradually increased from the first door body to the second door body, one end of the limiting block is fixedly connected with the first door body, the other end of the limiting block penetrates through the through hole, the appearance of the limiting block is matched with the aperture of the through hole, the cross section of the limiting block is gradually increased from the first door body to the second door body, the door frame is further provided with a hole for the limiting block to pass through, through the improvement, the limiting block limits the second door body to move under a normal state, so that the limiting block can be normally used, when the limiting block is impacted, the first door body drives the limiting block to move towards the second door body, the cross section area of the limiting block in the through hole is continuously reduced, and the second door body can also have an increasingly larger moving range by taking the through hole as a center, the moving range of the second door body can be continuously adjusted according to the impact force, so that the impact force resisting capability is enhanced.

As an improvement, the limiting mechanism further comprises a second spring, one end of the second spring is connected with the first door body, the other end of the second spring is connected with the second door body, and through the improvement, the first door body always moves in the direction away from the second door body, so that the first door body and the second door body are fixed in the door frame, and normal use of the airtight door is guaranteed.

As the improvement, the cross section of the through hole is in the shape of a circular truncated cone, the limiting block is in the shape of a cone, and through the improvement, the contact surface of the through hole and the limiting block is an arc surface, so that when the first door body bears impact force, the limiting block moves more smoothly at the through hole, and the phenomenon that the through hole and the limiting block are blocked can be effectively avoided.

As an improvement, the through hole is arranged at the center of the second door body, and the limiting block is arranged at the center of the first door body; through the improvement, when the first door body bears the impact force, the center of the first door body is the maximum stress point, so that the through hole and the limiting block can adjust the moving range of the first door body at the first time of bearing the impact force so as to bear the impact of different sizes.

Drawings

FIG. 1 is a perspective view of the overall structure of the present application;

FIG. 2 is a rear view of the overall structure of the present application;

fig. 3 is a three-dimensional structure view after the door frame is hidden in the present application;

FIG. 4 is a cross-sectional view of the oil tube stopper in the overall structure of the present application.

In the figure: 1. a door frame; 11. a cavity; 12. opening a hole; 21. a first door body; 22. a second door body; 221. a through hole; 31. A first spring; 31. a second spring; 4. and a limiting block.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The application provides a high-strength single-leaf airtight door, which comprises a door frame 1 and an airtight door arranged in the door frame 1 as shown in figures 1-4, a first spring 31 and a containing cavity 11 for containing the sealed door are arranged in the door frame 1, the sealed door comprises a first door body 21 and a second door body 22, the first door body 21 and the second door body 22 are respectively arranged at the left side and the right side of the containing cavity 11, the first door body 21 and the second door body 22 are arranged at intervals, the circumferential direction of the second door body 22 is connected with the door frame 1 through the first spring 31, the first spring 31 provides tension, a limiting mechanism is further arranged between the first door body 21 and the second door body 22, the limiting mechanism limits the second door body 22 to move, when the first door body 21 is impacted by external force, the first door body 21 makes the second door body 22 become a movable state through the limiting mechanism.

Specifically, stop gear includes stopper 4, be equipped with through-hole 221 on the second door body 22, the aperture size of through-hole 221 by first door body 21 is past the second door body 22 direction crescent, the one end of stopper 4 with first door body 21 fixed connection, the other end passes through-hole 221, just stopper 4's appearance with the aperture looks adaptation of through-hole 221, promptly under as shown in fig. 4 state, locate stopper 4 part in the through-hole 221 just with the complete adaptation of through-hole 221, stopper 4 restricts the second door body 22 and removes promptly, stopper 4's cross section size by first door body 21 is past second door body 22 direction crescent, the confession has still been seted up on the door frame 1 the trompil 12 that stopper 4 passes through.

Specifically, as shown in fig. 3 and 4, the limiting mechanism further includes a second spring 31, the second spring 31 provides tension, one end of the second spring 31 is connected to the first door body 21, and the other end of the second spring 31 is connected to the second door body 22.

Specifically, as shown in fig. 3 and 4, the cross section of the through hole 221 is a circular truncated cone, and the limiting block 4 is a cone.

Specifically, as shown in fig. 4, the through hole 221 is disposed at the center of the second door 22, and the stopper 4 is disposed at the center of the first door 21.

The working principle of the application is as follows: the first door body 21 is arranged on the outer side, the second door body 22 is arranged on the inner side, when the airtight door bears the impact force from the outer side, the impact force firstly acts on the door frame 1, then the door frame 1 acts on the first door body 21, the first door body 21 compresses the second spring 31 to move towards the first door body 21 and drives the limiting block 4 to move towards the inner side, the second door body 22 which cannot move originally due to the limiting block 4 moves towards the inner side continuously along with the limiting block 4, the gap between the through hole 221 and the limiting block 4 is larger and larger, the movable range of the second door body 22 is larger and larger, when the impact force drives the first door body 21 to impact the second door body 22, the first door body 21 decomposes the impact force into the decomposition force parallel to the second door body 22 through the conical limiting block 4, and the second door body 22 shakes in the door frame 1 through the first spring 31 to continuously disperse the borne impact force, so as to achieve the effects of slowing down the impact force and improving the impact resistance.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (5)

1. The utility model provides a high strength single leaf airtight door which characterized in that: include the door frame and locate the airtight door in the door frame, be equipped with first spring in the door frame and be used for the holding the appearance chamber of airtight door, airtight door includes the first door body, the second door body, the first door body with the interval of the second door body sets up, the circumference of the second door body is passed through first spring with the door frame is connected, the first door body with still be equipped with stop gear between the second door body, stop gear limits the second door body removes, works as when the first door body receives external shock, the first door body passes through stop gear makes the second door body becomes active state.

2. The high strength single leaf containment door of claim 1 wherein: stop gear includes the stopper, be equipped with the through-hole on the second door body, the aperture size of through-hole by the first door body is past the second door body direction crescent, the one end of stopper with first door body fixed connection, the other end passes the through-hole, just the appearance of stopper with the aperture looks adaptation of through-hole, the cross section size of stopper by the first door body is past the second door body direction crescent, the confession has still been seted up on the door frame the trompil that the stopper passes through.

3. The high strength single leaf containment door of claim 2 wherein: the limiting mechanism further comprises a second spring, one end of the second spring is connected with the first door body, and the other end of the second spring is connected with the second door body.

4. The high strength single leaf containment door of claim 2 wherein: the cross section of the through hole is in a circular truncated cone shape, and the limiting block is in a conical shape.

5. The high strength single leaf containment door of claim 2 wherein: the through hole is arranged at the center of the second door body, and the limiting block is arranged at the center of the first door body.

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