CN217151758U - Reinforced concrete movable threshold single-leaf protective airtight door - Google Patents

Abstract

The utility model discloses a reinforced concrete threshold single leaf protective airtight door that lives, including wall body and door frame, the inside rigid coupling of wall body has the door frame, pre-buried device is installed to the below of wall body. This reinforced concrete running door threshold single leaf protection airtight door, through concrete layer, the metalling, mutually support between sand soil layer and the foundation course isotructure, can be fixed with the below of door frame through pre-buried mode, so just avoided influencing the passing through of pedestrian or vehicle, through the L shaped plate, first diaphragm, a housing, the wheel, the second diaphragm, mutually support between screw rod and the first trapezoidal piece isotructure, can fix first diaphragm and wheel on the L shaped plate, can drive the wheel removal when the door body rotates like this, thereby just made things convenient for opening and closing the door body through the wheel.

Description

Reinforced concrete movable threshold single-leaf protective airtight door

Technical Field

The utility model relates to a people's air defense door technical field specifically is a reinforced concrete threshold single leaf protective airtight door that lives.

Background

People's air defense door is the door of people's protection engineering access & exit, people's air defense door classification is more bright, there is ordinary list, two fan protective airtight doors and sealed door, the threshold of living is single, multiple people's air defense equipment such as two fan protective airtight doors and sealed door, wherein single fan protective airtight door is used the most, and single fan protective airtight door is in order to increase the structural strength of sealed door among the prior art, the great door frame of volume has usually, can influence the trafficability characteristic of pedestrian or vehicle, the door body has great weight among the prior art simultaneously, it is comparatively inconvenient to open and close.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reinforced concrete threshold single leaf protective airtight door to solve and propose among the above-mentioned background art and single leaf protective airtight door has the great door frame of volume usually in order to increase the structural strength of airtight door among the prior art, can influence the problem of pedestrian or vehicle's trafficability characteristic.

In order to achieve the above object, the utility model provides a following technical scheme: a reinforced concrete movable threshold single-leaf protective airtight door comprises a wall body and a door frame, wherein the door frame is fixedly connected inside the wall body, and a pre-embedded device is installed below the wall body;

the embedded device comprises a concrete layer, a gravel layer, a sand layer and a ground base layer;

the concrete layer's top and middle inside link to each other with wall body and door frame are fixed respectively, concrete layer's below rigid coupling has the metalling, and the below rigid coupling of metalling has sand layer, sand layer and the centre on metalling all link to each other with the door frame is fixed, sand layer's below rigid coupling has the ground basic unit, and ground basic unit's top in the middle of with door frame looks rigid coupling.

Preferably, the door body is rotatably connected to the inside of the door frame through a plurality of hinges, and the right side of the front end face of the door body is rotatably connected with the rotary table.

Preferably, the outer side of the door frame is provided with a propping device;

the abutting device comprises a vertical plate, a concave plate, a clamping plate, a spring and a circular block;

it is a plurality of about the inboard AND gate frame welded connection of riser, the outside rigid coupling of riser has the notch plate, and the groove of notch plate rotates through the pivot and is connected with a plurality of splint, and is adjacent the terminal surface all rotates through the pivot even has the spring around the splint, the inner wall of splint closely laminates has the circular block, and the outside and the wall body looks rigid coupling of circular block.

Preferably, a fixing device is arranged below the front end face of the door body;

the fixing device comprises an L-shaped plate, a first transverse plate, a shell, wheels, a second transverse plate, a screw rod and a first trapezoidal block;

the rear end face of the left L-shaped plate is fixedly connected with the door body, a first transverse plate is tightly attached to the upper portion of the inner side of the L-shaped plate, a shell is rotatably connected to the lower portion of the first transverse plate through a plurality of rotating shafts, a wheel is rotatably connected to the inner side of the lower portion of the shell, the lower surface of the wheel is attached to the upper surface of a concrete layer, a second transverse plate is welded to the upper portion of the inner side of the L-shaped plate, a screw rod is connected to the inner thread of the second transverse plate, and a plurality of first trapezoidal blocks are welded to the upper portion of the first transverse plate.

Preferably, the lower part of screw rod is rotated and is connected with second trapezoidal piece, and the lower surface of second trapezoidal piece closely laminates with the upper surface of first trapezoidal piece, the top welding of second trapezoidal piece has the pin, and the outer wall of pin and the through-hole department inner wall clearance fit of second diaphragm.

Compared with the prior art, the beneficial effects of the utility model are that: according to the reinforced concrete movable doorsill single-leaf protective airtight door, the lower part of a door frame can be fixed in a pre-embedded mode through mutual matching of structures such as a concrete layer, a gravel layer, a sand layer and a foundation layer, so that the influence on the trafficability of pedestrians or vehicles is avoided;

through the mutual matching of the structures such as the vertical plate, the concave plate, the clamping plate, the spring, the circular block and the like, after the door frame is fixed on a wall body, the baffle plate can fix the circular block through the elastic property of the spring, so that the stability of the door frame can be further improved through the circular block, the baffle plate and the like;

through mutually supporting between L shaped plate, first diaphragm, casing, wheel, second diaphragm, screw rod and the first trapezoidal piece isotructure, can fix first diaphragm and wheel on the L shaped plate, can drive the wheel removal when the door body rotates like this to just made things convenient for opening and closing the door body through the wheel.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the arrangement of the circular block, the spring and the concave plate of FIG. 2;

fig. 4 is a schematic structural view of the wheel, the second cross plate and the screw in fig. 2.

In the figure: 1. wall body, 2, door frame, 3, pre-buried device, 301, concrete layer, 302, metalling, 303, sand and soil layer, 304, ground base layer, 4, support tight device, 401, riser, 402, concave plate, 403, splint, 404, spring, 405, circular block, 5, fixing device, 501, L shaped plate, 502, first diaphragm, 503, casing, 504, wheel, 505, second diaphragm, 506, screw rod, 507, first trapezoidal block, 6, the door body, 7, the carousel, 8, second trapezoidal block, 9, the pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a reinforced concrete movable doorsill single-leaf protective airtight door comprises a wall body 1 and a door frame 2, 4 grooves are processed in the wall body 1, the door frame 2 is fixedly connected in the wall body 1, a pre-embedded device 3 is installed below the wall body 1, the pre-embedded device 3 comprises a concrete layer 301, a gravel layer 302, a sand layer 303 and a ground base layer 304, the upper portion and the middle portion of the concrete layer 301 are fixedly connected with the wall body 1 and the door frame 2 respectively, the gravel layer 302 is fixedly connected below the concrete layer 301, the sand layer 303 is fixedly connected below the gravel layer 302, the middles of the sand layer 303 and the gravel layer 302 are fixedly connected with the door frame 2, the ground base layer 304 is fixedly connected below the sand layer 303, the middle portion above the ground base layer 304 is fixedly connected with the door frame 2, the lower portion of the door frame 2 can be pre-embedded, the door body 6 is of a reinforced concrete structure through 2 hinges in the door frame 2, and the right side of the front end face of the door body 6 is rotatably connected with a rotary table 7, and a door lock in the door body 6 can be controlled through the rotary table 7.

The outside of door frame 2 is installed and is supported tight device 4, it includes riser 401 to support tight device 4, concave plate 402, splint 403, spring 404 and circular block 405, it links to each other with 2 welding of door frame to control 2 inboard of riser 401, the outside rigid coupling of riser 401 has concave plate 402, and concave plate 402's recess rotates through the pivot and is connected with 2 splint 403, the front and back terminal surface of adjacent splint 403 all rotates through the pivot even has spring 404, elastic deformation can take place for spring 404 when splint 403 rotates to the outside, the inner wall of splint 403 closely laminates and has circular block 405, door frame 2 is more stable when can through splint 403 and circular block 405, and the outside and wall body 1 looks rigid coupling of circular block 405.

The fixing device 5 is installed below the front end face of the door body 6, the fixing device 5 comprises an L-shaped plate 501, a first transverse plate 502, a shell 503, wheels 504, a second transverse plate 505, a screw 506 and first trapezoidal blocks 507, the rear end faces of the left L-shaped plate 501 and the right L-shaped plate 501 are fixedly connected with the door body 6, the first transverse plate 502 is tightly attached to the upper portion of the inner side of the L-shaped plate 501, the lower portion of the first transverse plate 502 is rotatably connected with the shell 503 through 2 rotating shafts, the inner side of the lower portion of the shell 503 is rotatably connected with the wheels 504, the wheels 504 facilitate the rotation of the door body 6, the lower surface of the wheels 504 is attached to the upper surface of the concrete layer 301, the second transverse plate 505 is welded to the upper portion of the inner side of the L-shaped plate 501, through holes are formed in the second transverse plate 505, the screw 506 is connected to the inner threads of the second transverse plate 505, the screw 506 can move through the second transverse plate 505, 2 first trapezoidal blocks 507 are welded to the upper portion of the first transverse plate 502, the below of screw rod 506 is rotated and is connected with second trapezoidal piece 8, and the lower surface of second trapezoidal piece 8 closely laminates with the upper surface of first trapezoidal piece 507, and first diaphragm 502 can be fixed to the cooperation of second trapezoidal piece 8 and first trapezoidal piece 507, and the welding of the top of second trapezoidal piece 8 has pin 9, and the outer wall of pin 9 and the through-hole department inner wall clearance fit of second diaphragm 505, and pin 9 can play limiting displacement to second trapezoidal piece 8 through the through-hole of second diaphragm 505.

In this embodiment, when an operator needs to use the single-leaf protective airtight door with the reinforced concrete movable doorsill, firstly, the operator fixes the doorframe 2 on the wall 1, at this time, the doorframe 2 drives the concave plate 402 to move through the vertical plate 401, the concave plate 402 drives the clamp plate 403 to move, when the outer wall of the clamp plate 403 contacts with the circular block 405, the clamp plate 403 can rotate through the circular block 405, so that the spring 404 is elastically deformed, when the circular block 405 enters the middle of the clamp plate 403, the clamp plate 403 can fix the circular block 405 through the elastic performance of the spring 404, so that the stability of the doorframe 2 can be further improved through the circular block 405, the clamp plate 403 and the like, and then the doorframe 2 is pre-embedded at the foundation layer 304, and the sand layer 303, the gravel layer 302 and the concrete layer 301 are laid above the foundation layer 304, so that the doorframe 2 can be fixed through the pre-embedding manner, meanwhile, the trafficability characteristic of pedestrians or vehicles is also avoided being influenced, then the first transverse plate 502 is installed on the L-shaped plate 501, the screw rod 506 is rotated, the screw rod 506 is enabled to move downwards through the second transverse plate 505, the stop lever 9 is matched again, so that the second trapezoidal block 8 can be driven to move, the second trapezoidal block 8 can fix the first transverse plate 502 through the first trapezoidal block 507, and therefore when the door body 6 rotates, the door body 6 can move through the L-shaped plate 501, the first transverse plate 502 and the like, so that the wheels 504 can be driven to move, and opening and closing of the door body 6 are facilitated through the wheels 504.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a reinforced concrete running door threshold single leaf protective airtight door, includes wall body (1) and door frame (2), the inside rigid coupling of wall body (1) has door frame (2), its characterized in that: an embedded device (3) is arranged below the wall body (1);

the embedded device (3) comprises a concrete layer (301), a gravel layer (302), a sand layer (303) and a ground base layer (304);

the top and the middle inside of concrete layer (301) are fixed continuous with wall body (1) and door frame (2) respectively, the below rigid coupling of concrete layer (301) has metalling (302), and the below rigid coupling of metalling (302) has sand layer (303), the centre of sand layer (303) and metalling (302) all is fixed continuous with door frame (2), the below rigid coupling of sand layer (303) has ground basic unit (304), and the top of ground basic unit (304) in the middle of with door frame (2) looks rigid coupling.

2. The reinforced concrete movable threshold single-leaf protective airtight door as claimed in claim 1, wherein: the door frame (2) is connected with a door body (6) through a plurality of hinges in a rotating mode, and a rotary table (7) is connected to the right side of the front end face of the door body (6) in a rotating mode.

3. The reinforced concrete movable threshold single-leaf protective airtight door as claimed in claim 1, wherein: a propping device (4) is arranged on the outer side of the door frame (2);

the abutting device (4) comprises a vertical plate (401), a concave plate (402), a clamping plate (403), a spring (404) and a circular block (405);

it is a plurality of about the inboard and door frame (2) welded connection of riser (401), the outside rigid coupling of riser (401) has concave plate (402), and the groove of concave plate (402) rotates through the pivot and is connected with a plurality of splint (403), and is adjacent the front and back terminal surface of splint (403) all rotates through the pivot even has spring (404), the inner wall of splint (403) closely laminates and has circular block (405), and the outside and wall body (1) looks rigid coupling of circular block (405).

4. The reinforced concrete movable threshold single-leaf protective airtight door as claimed in claim 2, wherein: a fixing device (5) is arranged below the front end face of the door body (6);

the fixing device (5) comprises an L-shaped plate (501), a first transverse plate (502), a shell (503), wheels (504), a second transverse plate (505), a screw rod (506) and a first trapezoidal block (507);

control the rear end face and the door body (6) looks rigid coupling of L shaped plate (501), the inboard top of L shaped plate (501) is closely laminated with first diaphragm (502), the below of first diaphragm (502) is rotated through a plurality of pivots and is connected with casing (503), and the inboard rotation in below of casing (503) is connected with wheel (504), the lower surface of wheel (504) is laminated with the upper surface of concrete layer (301) mutually, the inboard top welding of L shaped plate (501) has second diaphragm (505), and the inside threaded connection of second diaphragm (505) has screw rod (506), the top welding of first diaphragm (502) has a plurality of first trapezoidal blocks (507).

5. The reinforced concrete movable threshold single-leaf protective airtight door as claimed in claim 4, wherein: the lower part of screw rod (506) is rotated and is connected with second trapezoidal piece (8), and the lower surface of second trapezoidal piece (8) closely laminates with the upper surface of first trapezoidal piece (507), the top welding of second trapezoidal piece (8) has pin (9), and the outer wall of pin (9) and the through-hole department inner wall clearance fit of second diaphragm (505).

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