CN213450064U

CN213450064U - Reinforced concrete protective airtight door

Info

Publication number: CN213450064U
Application number: CN202022103334.5U
Authority: CN
Inventors: 马英军
Original assignee: Xinjiang Fengruiji Civil Air Defense Equipment Co ltd
Current assignee: Xinjiang Fengruiji Civil Air Defense Equipment Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-15
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a protective airtight door technical field specifically discloses a reinforced concrete protective airtight door, including the door body, the door body has three groups of sliding barrel with the size about vertical center line symmetry fixed mounting, and spacing bolt is installed to the equal screw thread in every group sliding barrel bottom, and door body bottom has three groups of above springs with the size about vertical center line symmetry demountable installation, and door body bottom is inlayed and is installed sealed framework. The utility model discloses an installation is inlayed to the seal groove of sealing strip and threshold strip to the bounce-back force through the spring pastes tight seal groove bottom with the sealing strip and increases the leakproofness of a body, when the condition of the door body often needs to be opened, lift sealed frame body through carrying the handle, and screw spacing bolt and carry out the slide bar spacing, sealed frame body bottom is by universal wheel and ground contact motion, the leakproofness that requires when the door body is opened unusually can be satisfied to such structure, and the convenient opening nature that requires when satisfying the normally open door body.

Description

Reinforced concrete protective airtight door

Technical Field

The utility model relates to a protective airtight door technical field specifically is a reinforced concrete protective airtight door.

Background

The closed door is arranged in the protective closed door, the reinforced concrete door has the advantages of low price, good early nuclear radiation prevention performance and the like, the reinforced concrete closed door is divided according to whether a threshold is arranged at a hole, the reinforced concrete closed door has a fixed threshold and a movable threshold, the fixed threshold series of civil air defense doors have the advantages of reliable protection, lower manufacturing cost and the like, but the entrance of vehicle personnel is inconvenient, and the manufacturing cost of the movable threshold series of civil air defense doors is slightly higher, so the reinforced concrete protective closed door is provided.

The existing patent (publication number: CN207988854U) discloses a reinforced concrete protective airtight door, which comprises a door frame and a door leaf rotatably connected to the door frame, wherein slots are formed in two sides of the door frame, a bolt rotatably inserted into the slots is rotatably connected to the door leaf, a driving shaft is rotatably connected to the door leaf and penetrates through the door leaf, a linkage mechanism for driving the bolt to rotate along with the driving shaft is arranged between the driving shaft and the bolt, and each side of the door leaf corresponds to one linkage mechanism respectively. When the door leaf needs to be locked and the door leaf is stably kept in a closed state, the driving shaft can be rotated, and under the conversion of the linkage mechanism, the rotating pair of the driving shaft is changed into the rotating pair of the bolt, so that the bolt is inserted into the slot. Thereby relatively fixing the door leaf and the door frame and stably keeping the door leaf in a closed state. Because the slots are arranged on both sides of the door leaf, the door leaf and the door frame can be fixed at two points at least, and the door leaf can close the door frame more stably.

In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved; the reinforced concrete sealing door has two types of fixed doorsill and movable doorsill, and the series of fixed doorsill civil air defense doors have the advantages of reliable protection, lower manufacturing cost and the like, but are inconvenient for vehicle personnel to enter, and the manufacturing cost of the series of movable doorsill civil air defense doors is slightly higher. This application is inlayed the installation through the seal groove of sealing strip and threshold strip, and the bounce-back force through the spring pastes tight seal groove bottom with the sealing strip and increases the leakproofness of a body, when the condition of the door body often needs to be opened, lift sealed frame body through carrying the handle and lifting, and screw spacing bolt and carry out spacingly with the slide bar, sealed frame body bottom is by universal wheel and ground contact motion, the leakproofness that the door body required when opening unusually can be satisfied to such structure, and the convenient opening nature that requires when satisfying the normally open door body, the above-mentioned problem has been solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced concrete protective airtight door has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reinforced concrete protective airtight door comprises a door body, wherein three groups of sliding cylinders with the same size are symmetrically and fixedly arranged on the door body about a vertical central line, limiting bolts are arranged at the bottom of each group of sliding cylinders in a threaded manner, more than three groups of springs with the same size are symmetrically and detachably arranged at the bottom of the door body about the vertical central line, a sealing frame body is embedded at the bottom of the door body, the bottom of the inner wall of the sealing frame body is detachably arranged at the bottom of each group of springs, two lifting handles with the same size are symmetrically and fixedly arranged on the sealing frame body about the vertical central line, three groups of sliding rods with the same size are symmetrically and fixedly arranged on the sealing frame body about the vertical central line, two sealing strips with the same size are fixedly arranged at the bottom of the sealing frame body, more than three groups of universal wheels with the, two sealing grooves with the same size are formed in the top of the threshold strip.

As a preferred embodiment of the present invention, the bottom plane of the universal wheel is 2cm lower than the bottom plane of the seal strip.

As a preferred embodiment of the utility model, the installation is inlayed with the seal groove to the sealing strip.

As an optimized implementation mode of the utility model, every group slide bar all inlays slidable mounting with the slide cylinder body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an installation is inlayed to the seal groove of sealing strip and threshold strip to the bounce-back force through the spring pastes tight seal groove bottom with the sealing strip and increases the leakproofness of a body, when the condition of the door body often needs to be opened, lift sealed frame body through carrying the handle, and screw spacing bolt and carry out the slide bar spacing, sealed frame body bottom is by universal wheel and ground contact motion, the leakproofness that requires when the door body is opened unusually can be satisfied to such structure, and the convenient opening nature that requires when satisfying the normally open door body.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a side view of a reinforced concrete protective airtight door of the present invention;

fig. 2 is a front view of the reinforced concrete protective airtight door of the present invention.

In the figure: 1. a door body; 2. a slider body; 3. a limit bolt; 4. a slide bar; 5. a sealing strip; 6. a fixing plate; 7. a threshold bar; 8. a sealing groove; 9. a universal wheel; 10. a sealing frame body; 11. a spring; 12. and (5) lifting the handle.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, the utility model provides a technical solution: a reinforced concrete protective airtight door comprises a door body 1, three groups of sliding cylinders 2 with the same size are symmetrically and fixedly arranged on the door body 1 about a vertical central line, a limiting bolt 3 is arranged at the bottom of each group of sliding cylinders 2 in a threaded manner, more than three groups of springs 11 with the same size are symmetrically and detachably arranged at the bottom of the door body 1 about the vertical central line, a sealing frame body 10 is embedded at the bottom of the door body 1, the bottom of the inner wall of the sealing frame body 10 is detachably arranged at the bottom of each group of springs 11, two lifting handles 12 with the same size are symmetrically and fixedly arranged on the sealing frame body 10 about the vertical central line, three groups of sliding rods 4 with the same size are symmetrically and fixedly arranged on the sealing frame body 10 about the vertical central line, two sealing strips 5 with the same size are fixedly arranged at the bottom of the sealing frame body 10, more than three groups of, the top of the fixed plate 6 is detachably provided with a threshold strip 7, and the top of the threshold strip 7 is provided with two sealing grooves 8 with the same size.

In this embodiment, as shown in fig. 1 and 2, the sealing groove 8 of the sealing strip 5 and the threshold strip 7 is embedded, the sealing strip 5 is attached to the bottom of the sealing groove 8 through the rebound force of the spring 11 to increase the sealing performance of the door body 1, when the door body 1 needs to be opened frequently, the sealing frame body 10 is lifted up through the lifting handle 12, the sliding rod 4 is limited by screwing the limiting bolt 3, the bottom of the sealing frame body 10 is in contact motion with the ground through the universal wheel 9, the structure can meet the sealing performance required when the door body 1 is opened infrequently, and the convenient opening performance required when the door body 1 is opened normally is met.

Wherein, the bottom plane of the universal wheel 9 is 2cm lower than the bottom plane of the seal 5.

Wherein, the sealing strip 5 and the sealing groove 8 are embedded and installed.

Wherein, each group of sliding rods 4 is embedded with the sliding cylinder body 2 and is installed in a sliding way.

The working principle is as follows: when a reinforced concrete protective airtight door uses, inlay the installation through sealing strip 5 and the seal groove 8 of threshold strip 7, and paste tight seal groove 8 bottom with sealing strip 5 through the bounce of spring 11 and increase the leakproofness of a body 1, when the condition of a body 1 often needs to be opened, lift sealed framework 10 through carrying handle 12, and screw spacing bolt 3 and carry on spacingly with slide bar 4, sealed framework 10 bottom is by universal wheel 9 and ground contact motion, the leakproofness that requires when the body 1 of the door is opened unusually can be satisfied to such structure, and the convenient opening nature that requires when satisfying normally open the body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a reinforced concrete protective airtight door, includes door body (1), its characterized in that: the door body (1) is provided with three groups of sliding cylinder bodies (2) with the same size in a symmetrical and fixed mode about a vertical central line, the bottom of each group of sliding cylinder body (2) is provided with a limit bolt (3) in a threaded mode, the bottom of the door body (1) is provided with three groups of springs (11) with the same size in a symmetrical and detachable mode about the vertical central line, the bottom of the door body (1) is provided with a sealing frame body (10) in an embedded mode, the bottom of the inner wall of the sealing frame body (10) is provided with three groups of sliding rods (4) with the same size in a symmetrical and detachable mode about the vertical central line, the sealing frame body (10) is provided with two sealing strips (5) with the same size in a symmetrical and fixed mode about the vertical central line, and the bottom of the sealing frame body (10) is provided with three groups of universal wheels (9) with the same model in a, a fixing plate (6) is detachably mounted at the bottom of the door body (1), a threshold strip (7) is detachably mounted at the top of the fixing plate (6), and two sealing grooves (8) with the same size are formed in the top of the threshold strip (7).

2. A reinforced concrete containment door as claimed in claim 1 wherein: the bottom plane of the universal wheel (9) is 2cm lower than that of the seal (5).

3. A reinforced concrete containment door as claimed in claim 1 wherein: the sealing strip (5) and the sealing groove (8) are embedded and installed.

4. A reinforced concrete containment door as claimed in claim 1 wherein: each group of sliding rods (4) is embedded with the sliding cylinder body (2) in a sliding manner.