CN213510263U

CN213510263U - Face airtight shutoff board of empty protection

Info

Publication number: CN213510263U
Application number: CN202021304224.9U
Authority: CN
Inventors: 王祖标
Original assignee: Zhejiang Aotong Civil Air Defense Equipment Co Ltd
Current assignee: Zhejiang Aotong Civil Air Defense Equipment Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-06-22
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses an face airtight shutoff board of empty protection, carry out the door plant that covers including door frame and the port that is used for the door frame, the lateral wall that the door frame is close to door plant one side is provided with the annular limiting plate that is used for conflict door plant lateral wall all around, the door plant is close to the lateral wall of door frame one side and has seted up annular mounting groove, horizontal sliding connection has annular sealing strip in the mounting groove, the door frame is close to the lateral wall of door plant one side and has seted up the annular seal groove that supplies the sealing strip to peg graft the embedding, be provided with the actuating mechanism who is used for driving the sealing strip horizontal motion in the door. Through utilizing mutually supporting of sealing strip and seal groove, realize sealed between door frame and the door plant to improve and face the leakproofness of empty airtight shutoff board of protection, effectively prevent that harmful gas from entering into the air-raid shelter in the clearance between door frame and the door plant, thereby guaranteed personnel's in the air-raid shelter personal safety.

Description

Face airtight shutoff board of empty protection

Technical Field

The utility model relates to a civil air defense engineering's field, in particular to face airtight shutoff board of empty defence.

Background

The airtight plugging plate is also called a civil air defense door, is one of common devices in civil air defense engineering, is mainly used for plugging a wartime outlet or a cavity outlet, and can be divided into a bidirectional stress protective airtight plugging plate, an empty wall protective airtight plugging plate and the like according to different setting positions.

Traditional face airtight shutoff board of empty protection in-process of using, direct cover is in the exit of air-raid shelter usually to make door frame or air-raid shelter export and face to have the clearance between the airtight shutoff board of empty protection, there is the poor problem of leakproofness, make face the airtight shutoff board of empty protection can't carry out the separation to other harmful gas such as poison gas, thereby cause the injures and deaths of personnel in the air-raid shelter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an face airtight shutoff board of empty protection has the effect that improves the leakproofness.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a face airtight shutoff board of empty protection, includes the door frame and be used for right the door plant that the port of door frame covered, the door frame is close to the lateral wall of door plant one side is provided with and is used for contradicting the annular limiting plate of lateral wall all around of door plant, the door plant is close to annular mounting groove has been seted up to the lateral wall of door frame one side, horizontal sliding connection has annular sealing strip in the mounting groove, the door frame is close to the lateral wall of door plant one side has been seted up the confession the annular seal groove of sealing strip grafting embedding, be provided with in the door plant and be used for the drive sealing strip horizontal motion's actuating mechanism, the door plant with be.

Furthermore, a cross-shaped installation cavity is formed in the door plate, four connecting holes respectively communicated with the installation cavity are formed in the inner wall of one side of the installation groove, which is deviated from the opening of the installation cavity, the driving mechanism comprises a cross-shaped driving frame which is horizontally connected with the installation cavity, four end parts of the driving frame, which are far away from the center of the driving frame, are respectively bent towards one side of the door frame and form installation blocks which are horizontally connected with the connecting holes, the end surface of one end, which is deviated from the driving frame, of each installation block is fixedly connected with the side wall, which is deviated from one side of the door frame, of the sealing strip, a mounting hole communicated with the central position of the installation cavity is penetrated through the side wall of one side of the door plate, a driving rod is connected in a threaded manner in the mounting hole, and the end part, which is close to one end of the driving frame, the end part of the driving rod, which deviates from one end of the driving frame, penetrates through the outer part of the door plate and is provided with a hand wheel.

Furthermore, the locking mechanism comprises four locking pipes arranged in the installation cavity, one end of each of the four locking pipes is close to the center of the installation cavity, the other end of each of the four locking pipes is arranged in a divergent manner, each of the locking pipes is horizontally and slidably connected with a locking rod, through holes communicated with the installation cavity and allowing the corresponding locking rod to pass through are respectively penetrated through the peripheral side wall of the door panel, locking grooves allowing the corresponding locking rods to be inserted and embedded are formed in the peripheral inner wall of the limiting plate, driving blocks used for abutting against the end faces, close to the four locking rods, of the four locking rods are arranged in a truncated cone manner, the diameter of the driving blocks is gradually reduced, one end of each of the four locking rods, close to the driving blocks, is provided with a limiting ring, and the end parts, far away from the driving blocks, of the four locking pipes are inwards bent and form flanges for abutting against the corresponding limiting rings, each locking rod is sleeved with a spring positioned between the corresponding flanging and the corresponding limiting ring, and the end parts of the two ends of the spring are fixedly connected with the end faces of the ends, close to each other, of the corresponding flanging and the corresponding limiting ring respectively.

Furthermore, the end part of each locking rod close to the driving block is arranged in an arch shape with the middle part protruding outwards.

Furthermore, every the locking lever deviates from the terminal surface of drive block one end all is provided with first magnet, every the inner wall that locking groove deviates from its opening one side all is provided with the second magnet, corresponding first magnet with the magnetic pole of the terminal surface that the second magnet is close to each other is opposite.

Furthermore, the lateral wall all around of door plant is provided with the round and is used for conflicting the rubber circle of limiting plate inner wall.

To sum up, the utility model discloses following beneficial effect has:

1. the sealing between the door frame and the door plate is realized by utilizing the mutual matching of the sealing strip and the sealing groove, so that the sealing property of the air-adjacent protective closed plugging plate is improved, harmful gas is effectively prevented from entering the air-raid shelter from the gap between the door frame and the door plate, and the personal safety of personnel in the air-raid shelter is further ensured;

2. by arranging the locking mechanism which has simple structure and simple and convenient operation and can be linked with the driving mechanism, the door plate and the door frame can be quickly locked, and the linkage of each part of the air defense sealing plate can be improved;

3. through the lateral wall sets up the rubber circle around the door plant, further improve the leakproofness between door plant and the door frame to further improve and face empty protective sealing plate's whole leakproofness.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a sectional view of the present embodiment;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

FIG. 4 is an enlarged schematic view of region B of FIG. 2;

FIG. 5 is a schematic structural view of the drive mechanism and the lock mechanism in the present embodiment;

fig. 6 is an enlarged schematic view of region C in fig. 2.

Reference numerals: 1. a door frame; 2. a door panel; 3. a limiting plate; 4. mounting grooves; 5. a sealing strip; 6. a sealing groove; 7. a rubber ring; 8. a drive mechanism; 81. a driving frame; 82. a drive rod; 9. a locking mechanism; 91. locking the tube; 92. a locking lever; 10. a mounting cavity; 11. connecting holes; 12. mounting blocks; 13. a hand wheel; 14. a through hole; 15. a locking groove; 16. a drive block; 17. a limiting ring; 18. flanging; 19. a spring; 20. a first magnet; 22. a second magnet.

Detailed Description

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

Referring to fig. 1, an face airtight shutoff board of empty protection, includes door frame 1 and is used for carrying out the door plant 2 that covers to the port of door frame 1, and the lateral wall that door frame 1 is close to door plant 2 one side is provided with the annular limiting plate 3 that is used for conflicting door plant 2 lateral wall all around to the one end of door plant 2 is articulated mutually with limiting plate 3.

Referring to fig. 2 and 3, the door panel 2 is close to the lateral wall on one side of the door frame 1 and has been seted up annular mounting groove 4, and the horizontal sliding connection has annular sealing strip 5 in the mounting groove 4, and the door frame 1 is close to the lateral wall on one side of the door panel 2 and has been seted up the annular seal groove 6 that supplies sealing strip 5 to peg graft the embedding.

Referring to fig. 2 and 4, the peripheral side wall of the door panel 2 is provided with a rubber ring 7 for abutting against the inner wall of the limiting plate 3.

Referring to fig. 2 and 5, a driving mechanism 8 for driving the sealing strip 5 to move horizontally is provided in the door panel 2, and a locking mechanism 9 is provided between the door panel 2 and the stopper plate 3.

When the exit of the air-raid shelter needs to be plugged, the door panel 2 is pushed to horizontally move towards one side of the door frame 1 along the hinged point of the door panel. The lateral wall that is close to door frame 1 one side up to door plant 2 is inconsistent with the lateral wall that door frame 1 is close to door plant 2 one side to when the lateral wall was inconsistent around inner wall and the rubber circle 7 of limiting plate 3, with the locking mechanical system 9 locking, thereby realized the shutoff of air-raid shelter export.

Then, the driving mechanism 8 drives the sealing strip 5 to horizontally slide along the installation groove 4 towards one side of the door frame 1, and the end part of the sealing strip 5 close to one end of the door frame 1 is gradually inserted into the sealing groove 6. When the side wall of the sealing strip 5 close to one side of the door frame 1 is abutted against the inner wall of the sealing groove 6 deviating from one side of the opening of the sealing strip, the sealing between the door frame 1 and the door panel 2 is realized.

Through utilizing mutually supporting of sealing strip 5 and seal groove 6, realize sealed between door frame 1 and the door plant 2 to improve and face the leakproofness of airtight shutoff board of empty protection, effectively prevent that harmful gas from entering into the air-raid shelter in the clearance between door frame 1 and the door plant 2, and then guaranteed personnel's in the air-raid shelter personal safety.

Simultaneously, utilize mutually supporting of sealing strip 5 and seal groove 6, can also play the locking effect to door frame 1 and door plant 2 to improve the stability of being connected of door frame 1 and door plant 2, and then improve and face the safety in utilization of empty airtight shutoff board of protection.

When the exit of the air-raid shelter needs to be opened, the driving mechanism 8 drives the sealing strip 5 to horizontally slide along the mounting groove 4 towards the side away from the door frame 1, and the end part of the sealing strip 5 close to one end of the door frame 1 is gradually separated from the sealing groove 6. And when the end part of the sealing strip 5 close to one end of the door frame 1 is completely separated from the sealing groove 6, the locking mechanism 9 is opened, so that the door frame 1 and the door panel 2 are unlocked.

Then pulling door plant 2 and carrying out horizontal motion along its pin joint orientation one side that deviates from door frame 1, the lateral wall breaks away from the inner wall all around of limiting plate 3 completely up to rubber circle 7 to when the lateral wall that door plant 2 is close to 1 one side of door frame breaks away from door frame 1 and is close to the lateral wall of 2 one sides of door plant completely, realize opening of air-raid shelter export.

Through the lateral wall sets up rubber circle 7 around door plant 2, further improve the leakproofness between door plant 2 and the door frame 1 to further improve and face empty protective sealing plate's whole leakproofness.

Referring to fig. 2 and 3, a cross-shaped installation cavity 10 is formed in the door panel 2, and four connection holes 11 respectively communicated with the installation cavity 10 are formed in the inner wall of the installation groove 4 on the side away from the opening of the installation groove.

Referring to fig. 2 and 5, the driving mechanism 8 includes a driving frame 81 in the shape of a cross which is horizontally slidably coupled to the mounting chamber 10.

Referring to fig. 2 and 3, four end portions of the driving frame 81 far from the center thereof are respectively bent toward one side of the door frame 1 and form mounting blocks 12 horizontally slidably connected with the connecting holes 11, and an end surface of each mounting block 12 far from one end of the driving frame 81 is fixedly connected with a side wall of the sealing strip 5 far from one side of the door frame 1.

Referring to fig. 2, a mounting hole communicated with the center of the mounting cavity 10 is formed through a side wall of the door panel 2 facing away from the door frame 1, and a driving rod 82 is connected to the mounting hole through a thread. The end part of the driving rod 82 close to one end of the driving frame 81 and the central position of the side wall of one side of the mounting block 12 of the driving frame 81 form a rotating connection, and the end part of the driving rod 82 far from one end of the driving frame 81 penetrates through the outer part of the door panel 2 and is provided with a hand wheel 13.

When needs are sealed door frame 1 and door plant 2, rotating hand wheel 13 drives actuating lever 82 and rotates to drive the one side of driving rack 81 orientation door frame 1 through actuating lever 82 and carry out the level and slide, the rethread driving rack 81 drives four installation pieces 12 and carries out the level and slide towards one side of door frame 1 along corresponding connecting hole 11, and utilize four installation pieces 12 to drive sealing strip 5 jointly and carry out the level and slide towards one side of door frame 1 along mounting groove 4.

At this moment, the end part of the sealing strip 5 close to one end of the door frame 1 is gradually inserted into the sealing groove 6 until the side wall of the sealing strip 5 close to one side of the door frame 1 is abutted against the inner wall of the sealing groove 6 deviating from one side of the opening, so that the sealing between the door frame 1 and the door panel 2 is realized.

When door frame 1 and door plant 2 need be unlocked, reverse rotating hand wheel 13 and drive actuating lever 82 antiport, and the one side that deviates from door frame 1 of orientation is carried out the horizontal slip under the drive of actuating lever 82 to drive frame 81. Then, the driving frame 81 drives the four mounting blocks 12 to horizontally slide along one side of the corresponding connecting hole 11 facing away from the door frame 1, and the four mounting blocks 12 are utilized to drive the sealing strip 5 to horizontally slide along one side of the mounting groove 4 facing away from the door frame 1.

At this time, the end of the sealing strip 5 close to one end of the door frame 1 is gradually separated from the sealing groove 6, and the hand wheel 13 is stopped rotating reversely until the end of the sealing strip 5 close to one end of the door frame 1 is completely separated from the sealing groove 6. The locking mechanism 9 is then opened, thereby unlocking the door panel 2 from the door frame 1.

Through setting up simple structure, stable, the good actuating mechanism 8 of linkage of drive effect, realize sealing strip 5 and seal groove 6's rapid match and break away from to improve the convenience of use of facing empty protective seal board.

Referring to fig. 6, the locking mechanism 9 includes four locking tubes 91 disposed in the installation cavity 10, one end portions of the four locking tubes 91 are close to the center of the installation cavity 10, and the other end portions are disposed in a divergent manner, and a locking rod 92 is slidably connected in each locking tube 91.

Referring to fig. 4, through holes 14 communicated with the installation cavity 10 and allowing the corresponding locking rods 92 to pass through are respectively penetrated through the peripheral side walls of the door panel 2, and locking grooves 15 for inserting the corresponding locking rods 92 are formed in the peripheral inner walls of the limiting plate 3.

Referring to fig. 6, the driving rod 82 is provided with a driving block 16 for abutting against the end surfaces of the four locking levers 92 which are close to each other, and the driving block 16 is provided in a circular truncated cone shape having a diameter gradually decreasing toward one end portion of the driving frame 81.

Referring to fig. 6, the end portions of the four locking rods 92 close to the driving block 16 are all fixedly sleeved with limiting rings 17, and the end portions of the four locking tubes 91 far from the driving block 16 are all bent inward and form flanges 18 for the corresponding limiting rings 17 to abut against. Each locking rod 92 is sleeved with a spring 19 positioned between the corresponding flange 18 and the limiting ring 17, and the end parts of the two ends of the spring 19 are fixedly connected with the end surfaces of the corresponding flange 18 and the limiting ring 17 close to each other.

Referring to fig. 6, the end of each lock lever 92 near the drive block 16 is provided in an arch shape with a middle portion projecting outward.

Referring to fig. 2 and 4, the end face of each locking lever 92 facing away from the driving block 16 is provided with a first magnet 20, the inner wall of each locking groove 15 facing away from the opening side thereof is provided with a second magnet 22, and the magnetic poles of the end faces of the corresponding first and second magnets 20 and 22 adjacent to each other are opposite.

When the driving rod 82 drives the driving rack 81 to horizontally slide toward one side of the doorframe 1, the driving block 16 can move toward one side of the doorframe 1 along with the driving rod 82, and the side wall of the driving block 16 gradually abuts against the end portions of the four locking levers 92 close to each other.

At this time, the four lock levers 92 horizontally slide along the corresponding lock pipes 91 toward the side away from the drive block 16, respectively, by the urging force of the drive block 16, and the four lock levers 92 pass through the corresponding through holes 14, respectively. Meanwhile, the end portions of the four locking levers 92, which are far away from each other, are gradually inserted into the corresponding locking grooves 15.

When the side wall of the sealing strip 5 close to the door frame 1 and the inner wall of the sealing groove 6 departing from the opening side are contacted, the first magnet 20 on the locking rod 92 is contacted with the second magnet 22 in the corresponding locking groove 15 respectively, so that the door frame 1 and the door panel 2 are locked.

Through setting up the locking mechanical system 9 that can carry out the linkage with actuating mechanism 8 for when sealing strip 5 and seal groove 6 accomplish the complex, locking mechanical system 9 also can carry out the locking to door plant 2 and door frame 1, thereby improves and faces the linkage nature of empty protection closing plate each part.

Since the magnetic poles of the end surfaces of the two corresponding first and second magnets 20 and 22 close to each other are opposite, the locking lever 92 and the locking groove 15 are tightly fitted under the attractive force generated by the corresponding first and second magnets 20 and 22, thereby improving the locking stability of the locking mechanism 9 and the connection stability of the door frame 1 and the door panel 2.

When door frame 1 and door plant 2 need be unlocked, reverse rotating hand wheel 13 and drive actuating lever 82 antiport for actuating lever 82 drives the one side that the drive frame 81 faced away from door frame 1 when horizontal slip. At this time, the driving block 16 can move toward the side away from the doorframe 1 together with the driving rod 82, and the side wall of the driving block 16 is gradually disengaged from the end portions of the four locking levers 92 which are close to each other.

At this time, the end portions of the locking levers 92 remote from the driving block 16 are gradually disengaged from the corresponding locking grooves 15 until the four locking levers 92 are completely disengaged from the corresponding locking grooves 15, thereby unlocking the door frame 1 from the door panel 2.

Through the linkage cooperation of the driving mechanism 8 and the locking mechanism 9, the sealing strip 5 is completely separated from the sealing groove 6, and meanwhile, the locking rod 92 can also be separated from the locking groove 15, so that the linkage of each part of the temporary protective sealing plate is further improved.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a face airtight shutoff board of empty protection, includes door frame (1) and is used for right door plant (2) that the port of door frame (1) covers, its characterized in that: door frame (1) is close to the lateral wall of door plant (2) one side is provided with and is used for contradicting door plant (2) annular limiting plate (3) of lateral wall all around, door plant (2) are close to annular mounting groove (4) have been seted up to the lateral wall of door frame (1) one side, the water level is smooth to be connected with annular sealing strip (5) in mounting groove (4), door frame (1) is close to the lateral wall of door plant (2) one side is seted up the confession sealing strip (5) are pegged graft annular seal groove (6) of embedding, be provided with in door plant (2) and be used for the drive sealing strip (5) horizontal motion's actuating mechanism (8), door plant (2) with be provided with locking mechanical system (9) between limiting plate (.

2. A temporary air containment plugging plate as claimed in claim 1, wherein: the door plate is characterized in that a cross-shaped installation cavity (10) is formed in the door plate (2), four connecting holes (11) communicated with the installation cavity (10) are formed in the inner wall of the installation groove (4) deviating from one side of the opening, the driving mechanism (8) comprises a cross-shaped driving frame (81) which is horizontally connected with the installation cavity (10), four end parts of the driving frame (81) far away from the center of the driving frame are bent towards one side of the door frame (1) respectively and form installation blocks (12) which are horizontally connected with the connecting holes (11), the end surface of one end, deviating from the driving frame (81), of each installation block (12) is fixedly connected with the side wall, deviating from one side of the door frame (1), of the sealing strip (5), of the door plate (2) penetrates through an installation hole communicated with the center position of the installation cavity (10), threaded connection has actuating lever (82) in the mounting hole, actuating lever (82) are close to the tip of driving rack (81) one end with driving rack (81) deviate from the lateral wall of installation piece (12) one side forms and rotates the connection, actuating lever (82) deviate from the tip of driving rack (81) one end runs through extremely the outside of door plant (2) and be provided with hand wheel (13).

3. A temporary air containment plugging plate as claimed in claim 2, wherein: the locking mechanism (9) comprises four locking pipes (91) arranged in the installation cavity (10), one end parts of the four locking pipes (91) are jointly close to the central position of the installation cavity (10), the other ends of the four locking pipes are arranged in a divergent mode, each locking pipe (91) is internally provided with a locking rod (92) which is horizontally and slidably connected, the peripheral side walls of the door plate (2) are respectively penetrated with through holes (14) which are communicated with the installation cavity (10) and are used for the corresponding locking rods (92) to pass through, the peripheral inner walls of the limiting plates (3) are respectively provided with locking grooves (15) which are used for the corresponding locking rods (92) to be inserted and embedded, the driving rod (82) is provided with a driving block (16) which is used for abutting against the end faces of the four locking rods (92) which are close to each other, and the driving block (16) is arranged in a circular truncated cone shape with a diameter which is close to one end part of the, four locking lever (92) are close to the one end of drive block (16) all sets up spacing ring (17), four locking pipe (91) are kept away from the tip of drive block (16) is all inwards buckled and is formed and supply corresponding turn-ups (18) that spacing ring (17) contradict, every locking lever (92) are all being gone up to overlap and are being located correspondingly turn-ups (18) with spring (19) between spacing ring (17), the both ends tip of spring (19) respectively with corresponding turn-ups (18) with spacing ring (17) are close to the terminal surface fixed connection of one end each other.

4. A temporary air containment plugging plate as claimed in claim 3, wherein: the end part of each locking rod (92) close to the driving block (16) is arranged in an arch shape with the middle part protruding outwards.

5. A temporary air containment plugging plate as claimed in claim 3, wherein: the end face, deviating from one end of the driving block (16), of each locking rod (92) is provided with a first magnet (20), the inner wall, deviating from the opening side of each locking groove (15), of each locking groove is provided with a second magnet (22), and the magnetic poles of the end faces, close to each other, of the first magnet (20) and the second magnet (22) are opposite.

6. A temporary air containment plugging plate as claimed in claim 1, wherein: the lateral wall all around of door plant (2) is provided with round rubber circle (7) that are used for conflicting limiting plate (3) inner wall.