CN214463665U

CN214463665U - Reinforced concrete protective airtight door

Info

Publication number: CN214463665U
Application number: CN202023042736.5U
Authority: CN
Inventors: 李秀国
Original assignee: Sichuan Xinwang Civil Air Defense Equipment Co ltd
Current assignee: Sichuan Xinwang Civil Air Defense Equipment Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-22
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a reinforced concrete protective airtight door, include the door wall that is formed by reinforced concrete pouring, seted up the door opening on the door wall, be equipped with the airtight door body on the door wall, airtight door body and door opening grafting cooperation, door wall one side fixedly connected with two installation pieces, fixedly connected with two arc pieces on the installation piece, all seted up the rotation hole on two arc pieces, wear to be equipped with the axis of rotation in the rotation hole, the axis of rotation is rotated and is connected in the rotation hole, the axis of rotation is vertical setting; one side of the airtight door body is fixedly connected with the rotating shaft; the door wall is provided with a driving component for driving the rotating shaft to rotate forward or reversely; the door opening inner wall is equipped with and is used for carrying out the fixed subassembly fixed to the airtight door body, the utility model discloses the advantage can be convenient quick open airtight door, labour saving and time saving.

Description

Reinforced concrete protective airtight door

Technical Field

The utility model belongs to the technical field of the technique of airtight door processing and specifically relates to a reinforced concrete protective airtight door.

Background

People's air defense is also called civil defense, which is a measure for government mobilization organization and masses, and taking measures of preventing air attack and resisting disaster relief, thereby implementing rescue action and achieving an activity of preventing and alleviating the harm of disasters. The protective door is protective equipment for civil defense, and has the characteristic of resisting impact or heavy object reloading.

Present grant of public number for CN 208396603U's Chinese patent discloses a reinforced concrete sealing door, include the door frame wall and the door leaf that form by reinforced concrete pouring, be provided with the door frame on the door frame wall, the door leaf passes through the hinge page or leaf and connects on the door frame, the bottom of door frame is provided with the threshold that lives, the lower extreme both sides of threshold that lives are provided with the bolt, and one side of door leaf is provided with the thing board of putting that is used for placing the threshold that lives, and puts the jack that the round pin pole of offering the confession bolt of thing on the board passed, the utility model discloses can make things convenient for taking and installing of threshold that lives, reduce the unnecessary occurence of failure.

The above prior art solutions have the following drawbacks: because concrete placement's airtight door body is heavy, operating personnel makes it open through manual promotion airtight door, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a reinforced concrete protection airtight door, its advantage can be convenient quick open airtight door, labour saving and time saving.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the reinforced concrete protective airtight door comprises a door wall formed by pouring reinforced concrete, wherein a door opening is formed in the door wall, an airtight door body is arranged on the door wall, the airtight door body is matched with the door opening, two mounting blocks are fixedly connected to one side of the door wall, two arc-shaped blocks are fixedly connected to the mounting blocks, rotating holes are formed in the two arc-shaped blocks, rotating shafts penetrate through the rotating holes, the rotating shafts are rotatably connected into the rotating holes, and the rotating shafts are vertically arranged; one side of the airtight door body is fixedly connected with the rotating shaft; the door wall is provided with a driving component for driving the rotating shaft to rotate forward or reversely; the inner wall of the door opening is provided with a fixing assembly used for fixing the airtight door body.

Through adopting above-mentioned technical scheme, rotate the hole and supply the axis of rotation to rotate wherein, the axis of rotation rotates and drives rather than fixed connection's airtight door body and rotate to laminating with the door opening inner wall or from laminating with the door opening inner wall and rotate to breaking away from with the door opening inner wall, thereby realized opening or closing of airtight door. And the driving component arranged on the door wall is used for driving the rotating shaft to rotate. When the airtight door rotates to and the door opening iron wall laminating, realize the fixed to the airtight door body through fixed subassembly to it is more firm to make the airtight door fixed. Through the cooperation of drive assembly and fixed subassembly to the realization is opened and close the operation to heavy huge concrete airtight door body, compares in manual promotion airtight door body and makes it open and close labour saving and time saving.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a driving motor, a first bevel gear is fixedly connected to the rotating shaft, a placing plate is fixedly connected to the door wall, the driving motor is fixedly connected to the placing plate, a second bevel gear is fixedly connected to an output shaft of the driving motor, and the second bevel gear is meshed with the first bevel gear.

Through adopting above-mentioned technical scheme, when driving motor started, last output shaft forward or the antiport of driving motor drove the second bevel gear forward or the antiport with driving motor output shaft fixed connection, and second bevel gear rotates and drives rather than the first bevel gear forward or the antiport of meshing, drives the forward or the antiport of axis of rotation to closing or opening of sealing door body has been realized.

The present invention may be further configured in a preferred embodiment as: the fixing component comprises a fixing column, two mounting grooves are formed in the inner side of the door opening, and the two mounting grooves are arranged in the vertical direction; the two mounting grooves are connected with fixing columns in a sliding mode, fixing grooves matched with the fixing columns in an inserting mode are formed in the side faces of the airtight door body, return springs are arranged in the mounting grooves, two ends of each return spring are connected to the side faces of the fixing columns and the mounting grooves respectively, and when the return springs are in a natural state and the airtight door body is matched with the door opening in an inserting mode, the end portions of the fixing columns are inserted into the fixing grooves; and a restoring piece for enabling the fixing column to retract into the mounting groove is arranged in the door wall.

Through adopting above-mentioned technical scheme, the mounting groove supplies the fixed column to slide wherein, plays the guide effect to the slip of fixed column. When the fixed column inserts in the fixed slot, realized fixed to the airtight door body, strengthened fixed effect. The reset spring plays the effect that resets to the fixed column, and when reset spring was in natural state, the tip of fixed column can insert the fixed slot more easily and realize the fixed to the airtight door body. Realize making the fixed column that inserts in the fixed slot to retract into the mounting groove through replying in the piece, in the fixed column retraction mounting groove, start driving motor can realize opening the sealing door body.

The present invention may be further configured in a preferred embodiment as: the restoring piece comprises a winding roller, a cavity is formed in the door wall, and the winding roller is rotatably connected in the cavity; a linkage hole is formed in the wall of the mounting groove, two ends of the linkage hole are respectively communicated with the cavity and the mounting groove, and a pull wire is connected in the linkage hole in a sliding manner; one end of the pull wire is fixedly connected to the end portion of the fixed column, the other end of the pull wire is wound on the winding roller, a connecting hole communicated with the cavity is formed in the door wall, a handle rod is connected to the connecting hole in a rotating mode, one end of the handle rod is fixedly connected with the winding roller, and the other end of the handle rod extends out of the connecting hole.

Through adopting above-mentioned technical scheme, the winding roller rotates and to make the rolling of acting as go-between on the winding roller, and the in-process of rolling of acting as go-between can pull the fixed column and make reset spring compressed to make in the fixed column retraction mounting groove, thereby can realize opening that the sealing door body can. The connecting hole supplies the handle pole to rotate wherein, and the handle pole rotates and can drive rather than fixed connection's winding roller and rotate, is more convenient for realize the rotation to the winding roller.

The present invention may be further configured in a preferred embodiment as: two wire winding grooves are formed in the wire winding roller, and the two pull wires are wound in the two wire winding grooves respectively.

Through adopting above-mentioned technical scheme, two wire winding grooves can supply two to act as go-between the wraparound, reduce two and act as go-between and twine the condition emergence that leads to wire winding roller stop work each other.

The present invention may be further configured in a preferred embodiment as: the handle pole stretches out one of connecting hole and serves the square post of fixedly connected with, the cover is equipped with the handle on the square post, the handle with square post sliding connection, the handle is discoid, a plurality of inserting grooves have been seted up towards one side circumference of door wall to the handle, fixedly connected with grafting post on the door wall, grafting post and inserting groove fixed connection.

By adopting the technical scheme, the handle can slide on the square column, when the handle is rotated, the square column enables a worker to drive the square column to rotate simultaneously when the handle is rotated, and the square column rotates to drive the handle rod fixedly connected with the square column to rotate. The plug column is matched with the plug groove.

The present invention may be further configured in a preferred embodiment as: the airtight door comprises a closed door body and is characterized in that a convex block is integrally formed on the closed door body and is in a quadrangular frustum pyramid shape, and a chute matched with the quadrangular frustum pyramid-shaped convex block in an inserting mode is arranged on the inner wall of the door opening.

Through adopting above-mentioned technical scheme, the lug has increased the counter weight of airtight door body, has increaseed holistic structural strength, and the lug makes airtight door body fixed inseparabler when the closure with the chute cooperation, increases the leakproofness.

The present invention may be further configured in a preferred embodiment as: and a rubber layer surrounding the convex block is arranged at the joint of the closed door body and the convex block.

By adopting the technical scheme, when the airtight door body is attached to the door hole, the rubber layer is compressed, and the sealing performance of the airtight door body is further enhanced.

To sum up, the utility model discloses a following at least one useful technological effect:

the driving motor drives the second bevel gear to rotate, and the second bevel gear drives the first bevel gear meshed with the second bevel gear to rotate, so that the airtight door body is driven, the opening and closing of the airtight door body are realized, and time and labor are saved;

the cooperation of fixed column and fixed slot in the fixed subassembly makes when airtight door body and the laminating of door opening inner wall fix the airtight door body, makes the airtight door body more firm.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the sectional structure of the hollow cavity, the winding roller and the mounting groove of the present invention.

Reference numerals: 1. a hermetic door body; 2. a door wall; 3. a door opening; 4. mounting blocks; 5. an arc-shaped block; 6. rotating the hole; 7. a rotating shaft; 8. a drive motor; 9. a first bevel gear; 10. a second bevel gear; 11. placing the plate; 12. mounting grooves; 13. fixing a column; 14. fixing grooves; 15. a return spring; 16. a winding roller; 17. a cavity; 18. a linkage hole; 19. a pull wire; 20. connecting holes; 21. a handle bar; 22. a winding slot; 23. a square column; 24. a grip; 25. inserting grooves; 26. inserting the column; 27. a bump; 28. a chute; 29. a rubber layer; 30. opening and closing a switch; 31. a cross post; 32. a pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, reinforced concrete protective airtight door includes the door wall 2 that is formed by reinforced concrete pouring, has seted up door opening 3 on the door wall 2, is equipped with airtight door body 1 on the door wall 2, and airtight door body 1 cooperates with door opening 3 grafting. When the airtight door body 1 rotates to be attached to the inner wall of the door hole 3, the airtight door body 1 is closed.

Two mounting blocks 4 are fixedly connected to one side of the door wall 2, two arc-shaped blocks 5 are fixedly connected to the mounting blocks 4, rotating holes 6 are formed in the two arc-shaped blocks 5, rotating shafts 7 penetrate through the rotating holes 6, the rotating shafts 7 are rotatably connected into the rotating holes 6, and the rotating shafts 7 are vertically arranged; one side of the airtight door body 1 is fixedly connected with the rotating shaft 7. The rotating shaft 7 can rotate in the rotating hole 6, thereby driving the airtight door body 1 to rotate.

A driving component for driving the rotating shaft 7 to rotate forward or reversely is fixedly connected to the door wall 2; the inner wall of the door opening 3 is provided with a fixing component for fixing the airtight door body 1, the rotating shaft 7 can be rotated through the driving component, and the rotating shaft 7 rotates to further drive the airtight door body 1 to rotate.

The driving assembly comprises a driving motor 8, a first bevel gear 9 is fixedly connected to the rotating shaft 7, a door wall 2 is fixedly connected with a placing plate 11, the driving motor 8 is fixedly connected to the placing plate 11, a second bevel gear 10 is fixedly connected to an output shaft of the driving motor 8, and the second bevel gear 10 is meshed with the first bevel gear 9. When the driving motor 8 is started, the output shaft of the starting motor rotates to drive the second bevel gear 10 fixedly connected with the starting motor to rotate, and the second bevel gear 10 rotates to drive the first bevel gear 9 meshed with the second bevel gear to rotate, so that the rotation of the rotating shaft 7 is realized. When the rotating shaft 7 rotates clockwise, the airtight door body 1 moves towards the direction of attaching to the inner wall of the door opening 3 until the airtight door body is attached to the inner wall of the door opening 3; when the rotating shaft 7 rotates anticlockwise, the airtight door body 1 rotates to and is separated from the inner wall of the door opening 3 from the position attached to the inner wall, and the opening and the closing of the airtight door body 1 are realized through the driving of the driving motor 8.

Fixedly connected with on the door wall 2 opens and close switch 30, and open and close switch 30 is connected with drive driving motor 8 electricity, and the staff can operate open and close switch 30 before airtight door body 1, controls opening and closing of airtight door body 1 through the forward antiport of control driving motor 8. The on-off switch 30 is respectively arranged in the door wall 2 and outside the door wall 2, so that people inside and outside the door can conveniently get in and out.

The airtight door body 1 is integrally formed with a convex block 27, the convex block 27 is in a quadrangular frustum pyramid shape, and the inner wall of the door opening 3 is provided with a chute 28 which is in inserted connection and matching with the quadrangular frustum pyramid-shaped convex block 27. The convex block 27 increases the weight of the airtight door body 1, increases the thickness of the airtight door, enhances the shock resistance of the airtight door body 1 and increases the overall strength. The convex block 27 is in inserting fit with the inner wall of the door opening 3, so that the airtight door body 1 can only be opened towards one direction, and when the airtight door is impacted, the airtight door cannot be opened inwards, so that the impact waves can be intercepted outside the airtight door, and the safety of the airtight door is improved.

A rubber layer 29 surrounding the convex block 27 is laid at the joint of the airtight door body 1 and the convex block 27. When the airtight door body 1 is fitted to the door opening 3, the rubber layer 29 is compressed, further enhancing the sealing property of the airtight door body 1.

Referring to fig. 2, the fixing assembly includes a fixing column 13, two mounting grooves 12 are formed in the inner side of the door opening 3, and the two mounting grooves 12 are arranged in the vertical direction; equal sliding connection has fixed column 13 in two mounting grooves 12, and airtight door body 1 side is seted up with fixed column 13 grafting complex fixed slot 14, when the tip of fixed column 13 and the fixed slot 14 grafting cooperation, has realized fixed to airtight door body 1. The two sets of fixing posts 13 and fixing slots 14 are provided to fix the sealing door body 1 more firmly.

A return spring 15 is fixedly connected in the mounting groove 12, two ends of the return spring 15 are respectively connected to the side surface of the fixed column 13 and the mounting groove 12, and when the return spring 15 is in a natural state and the closed door body 1 is in splicing fit with the door opening 3, the end part of the fixed column 13 is inserted into the fixing groove 14; the return spring 15 provides a restoring force to the fixing post 13, and when the return spring 15 is compressed, the restoring force of the return spring 15 allows the end of the fixing post 13 to be better inserted into the fixing groove 14.

The face of the end of the fixed column 13 extending out of the installation groove 12 and facing the insertion direction of the airtight door body 1 is an arc face, when the airtight door body 1 rotates towards the door opening 3, the convex block 27 pushes the arc face on the fixed column 13 to enable the arc face to retract into the installation groove 12, and when the airtight door body 1 rotates to the insertion matching of the fixed column 13 and the fixed groove 14, the end of the fixed column 13 is inserted into the fixed groove 14 under the restoring force of the restoring spring 15 to fix the airtight door body 1.

The door wall 2 is internally provided with a return piece which enables the fixing column 13 to retract into the mounting groove 12. The restoring piece comprises a winding roller 16, a cavity 17 is formed in the door wall 2, and the winding roller 16 is rotatably connected in the cavity 17; the wall of the mounting groove 12 is provided with a linkage hole 18, two ends of the linkage hole 18 are respectively communicated with the cavity 17 and the mounting groove 12, and a pull wire 19 is connected in the linkage hole 18 in a sliding manner; one end of the pull wire 19 is fixedly connected to the end of the fixed column 13, the other end of the pull wire is wound on the winding roller 16, a connecting hole 20 communicated with the cavity 17 is formed in the door wall 2, a handle rod 21 is rotatably connected in the connecting hole 20, one end of the handle rod 21 is fixedly connected with the winding roller 16, and the other end of the handle rod extends out of the connecting hole 20. When the handle rod 21 is rotated, the handle rod 21 rotates to drive the winding roller 16 fixedly connected with the handle rod to rotate, the winding roller 16 rotates to enable the pull wire 19 to be wound on the winding roller 16, the fixing column 13 is pulled to enable the fixing column 13 inserted into the fixing groove 14 to be retracted into the mounting groove 12 when the pull wire 19 is wound, and the driving motor 8 is started to enable the fixing column 13 to rotate reversely, so that the sealing door body 1 is opened outwards.

The cross column 31 is fixedly connected in the cavity 17, the pulley 32 is fixedly connected on the cross column 31, the stay wire 19 winds the pulley 32 and is wound on the winding roller 16, and the pulley 32 reduces friction between the stay wire 19 and the cavity wall of the cavity 17, so that the winding process of the stay wire 19 is smoother.

Two winding grooves 22 are formed in the winding roller 16, the two pull wires 19 are wound in the two winding grooves 22 respectively, the two winding grooves 22 can be used for winding the two pull wires 19, and the situation that the two pull wires 19 are wound with each other to stop working of the winding roller 16 is reduced.

Handle bar 21 stretches out one of connecting hole 20 and serves fixedly connected with square piece, and the cover is equipped with handle 24 on the square piece, handle 24 and square piece sliding connection, and handle 24 is discoid, and a plurality of inserting groove 25 have been seted up towards one side circumference of door wall 2 to handle 24, fixedly connected with grafting post 26 on the door wall 2, grafting post 26 and inserting groove 25 fixed connection. The rotating handle 24 drives the winding roller 16 to rotate, the winding roller 16 rotates to pull the pull wire 19, the return spring 15 is compressed, and the return spring 15 has a restoring force extending out of the mounting groove 12 towards the fixed column 13. Sliding the grip 24 causes the grip 24 to slide on the square post 23, and when the grip 24 slides until the insertion post 26 is inserted into the insertion slot 25, the grip 24 can be fixed.

The implementation principle of the embodiment is as follows: when closing the containment door body 1: the output shaft of the driving motor 8 is controlled to rotate forward by pressing the on-off switch 30, so as to drive the second bevel gear 10 to rotate, and drive the first bevel gear 9 and the rotating shaft thereon to rotate, thereby driving the airtight door body 1 to rotate towards the door opening 3. The projection 27 pushes the fixing post 13 to retract the fixing post 13 into the installation groove 12, and when the fixing post 13 is aligned with the fixing groove 14, the fixing post 13 is inserted into the fixing groove 14, thereby closing the airtight door body 1.

Starting the containment door body 1 outwards: the handle 24 is rotated to wind the pulling wire 19 on the winding roller 16, and the pulling wire 19 pulls the fixed post 13 to retract the fixed post 13 into the mounting groove 12. The output shaft of the driving motor 8 is controlled to rotate reversely by pressing the on-off switch 30, so as to drive the second bevel gear 10 to rotate, and drive the first bevel gear 9 and the rotating shaft thereon to rotate, thereby driving the airtight door body 1 to rotate outwards, and realizing the opening of the airtight door body 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Reinforced concrete protection airtight door includes door wall (2) that forms by reinforced concrete pouring, door opening (3) have been seted up on door wall (2), be equipped with airtight door body (1) on door wall (2), airtight door body (1) and door opening (3) looks adaptation, its characterized in that: two mounting blocks (4) are fixedly connected to one side of the door wall (2), two arc-shaped blocks (5) are fixedly connected to the mounting blocks (4), rotating holes (6) are formed in the two arc-shaped blocks (5), rotating shafts (7) penetrate through the rotating holes (6), the rotating shafts (7) are rotatably connected into the rotating holes (6), and the rotating shafts (7) are vertically arranged; one side of the airtight door body (1) is fixedly connected with the rotating shaft (7); the door wall (2) is provided with a driving component for driving the rotating shaft (7) to rotate forwards or reversely; the inner wall of the door opening (3) is provided with a fixing component for fixing the airtight door body (1).

2. The reinforced concrete containment door of claim 1, wherein: the driving assembly comprises a driving motor (8), a first bevel gear (9) is fixedly connected to the rotating shaft (7), a placing plate (11) is fixedly connected to the door wall (2), the driving motor (8) is fixedly connected to the placing plate (11), a second bevel gear (10) is fixedly connected to an output shaft of the driving motor (8), and the second bevel gear (10) is meshed with the first bevel gear (9).

3. The reinforced concrete containment door of claim 1, wherein: the fixing component comprises a fixing column (13), two mounting grooves (12) are formed in the inner side of the door opening (3), and the two mounting grooves (12) are arranged in the vertical direction; the two installation grooves (12) are connected with fixing columns (13) in a sliding mode, fixing grooves (14) matched with the fixing columns (13) in an inserting mode are formed in the side faces of the airtight door body (1), return springs (15) are arranged in the installation grooves (12), two ends of each return spring (15) are connected to the side face of each fixing column (13) and the corresponding installation groove (12) respectively, and when the return springs (15) are in a natural state and the airtight door body (1) is matched with the door opening (3) in an inserting mode, the end portions of the fixing columns (13) are inserted into the fixing grooves (14); and a recovery piece for retracting the fixing column (13) into the mounting groove (12) is arranged in the door wall (2).

4. The reinforced concrete containment door of claim 3, wherein: the restoring piece comprises a winding roller (16), a cavity (17) is formed in the door wall (2), and the winding roller (16) is rotatably connected into the cavity (17); a linkage hole (18) is formed in the wall of the mounting groove (12), two ends of the linkage hole (18) are respectively communicated with the cavity (17) and the mounting groove (12), and a pull wire (19) is connected in the linkage hole (18) in a sliding manner; one end of the pull wire (19) is fixedly connected to the end portion of the fixing column (13), the other end of the pull wire is wound on the winding roller (16), a connecting hole (20) communicated with the cavity (17) is formed in the door wall (2), a handle rod (21) is rotatably connected in the connecting hole (20), one end of the handle rod (21) is fixedly connected with the winding roller (16), and the other end of the handle rod extends out of the connecting hole (20).

5. The reinforced concrete containment door of claim 4, wherein: two winding grooves (22) are formed in the winding roller (16), and the two pull wires (19) are wound in the two winding grooves (22) respectively.

6. The reinforced concrete containment door of claim 4, wherein: handle pole (21) stretch out one of connecting hole (20) and serve square post of fixedly connected with (23), the cover is equipped with handle (24) on square post (23), handle (24) with square post (23) sliding connection, handle (24) are discoid, a plurality of inserting groove (25) have been seted up towards one side circumference of door wall (2) in handle (24), fixedly connected with inserting column (26) on door wall (2), inserting column (26) and inserting groove (25) fixed connection.

7. The reinforced concrete containment door of claim 1, wherein: the sealing door is characterized in that a bump (27) is integrally formed on the sealing door body (1), the bump (27) is in a quadrangular frustum pyramid shape, and a chute (28) which is in plug-in fit with the quadrangular frustum pyramid-shaped bump (27) is arranged on the inner wall of the door opening (3).

8. The reinforced concrete containment door of claim 7, wherein: the joint of the airtight door body (1) and the convex block (27) is provided with a rubber layer (29) surrounding the convex block (27).