CN215408283U

CN215408283U - Cut off explosion-proof airtight door of protection

Info

Publication number: CN215408283U
Application number: CN202121099988.3U
Authority: CN
Inventors: 滕超越; 吴戈; 杲井春
Original assignee: Jiangsu Tuohua Civil Air Defense Equipment Co ltd
Current assignee: Jiangsu Tuohua Civil Air Defense Equipment Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-04
Anticipated expiration: 2031-05-21

Abstract

The utility model discloses a partition protection explosion-proof airtight door, which comprises a door frame and a main door body, wherein the main door body comprises a first airtight door and a second airtight door, working chambers are respectively arranged in the first airtight door and the second airtight door, side locking channels and main locking channels are arranged on the working chambers, driving mechanisms are arranged in the working chambers, side fixing parts are respectively arranged on the driving mechanisms of the first airtight door and the second airtight door, a locking rod A is connected below the driving mechanism of the first airtight door, a locking rod B is connected below the driving mechanism of the second airtight door, the utility model utilizes the driving mechanisms to link the side fixing parts, the locking rods A and the locking rods B in the first airtight door and the second airtight door, so that both sides of the first airtight door and the second airtight door are provided with locking structures, and the first airtight door and the second airtight door are fixed by the locking rods A and the locking rods B, the main door body is fixed with the door frame by utilizing the side fixing piece, so that the fastening effect of the whole closed door is good.

Description

Cut off explosion-proof airtight door of protection

Technical Field

The utility model relates to the technical field of airtight doors, in particular to a partition protection explosion-proof airtight door.

Background

The explosion-proof airtight door has the functions of fire prevention and smoke isolation besides the functions of a common door. Generally, the fire-resistant partition board is arranged between fire-resistant partitions of buildings, can prevent or delay the spread of fire to a certain extent when fire occurs, and is also used for preventing explosion shock waves and flames and toxic gas generated by explosion from diffusing to an external roadway.

The existing partition protection explosion-proof airtight door is only provided with a group of lock structures between door bodies, so that the lock structure is single, the fixing effect is poor, and the existing partition protection explosion-proof airtight door does not have an unlocking structure if the existing lock structure of the partition protection explosion-proof airtight door is locked after being locked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a partition protection explosion-proof airtight door to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cut off explosion-proof airtight door of protection, includes door frame and the main door body, the main door body includes a airtight door and No. two airtight doors, hinge mount is passed through on the door frame in the both sides of an airtight door and No. two airtight doors, pin each other between the side that an airtight door and No. two airtight doors contacted, all be equipped with the working chamber in an airtight door and No. two airtight doors, be equipped with side lock way and main lock way on the working chamber, actuating mechanism is installed to the working chamber, all install the side mounting on the actuating mechanism of an airtight door and No. two airtight doors, locking lever A is connected to the actuating mechanism below of an airtight door, locking lever B is connected to the actuating mechanism below of No. two airtight doors, locking lever A and locking lever B arrange in the main lock way.

As further preferable in the present technical solution: the side fixing piece comprises a door frame butt joint column and a rack, the door frame butt joint column is connected to one end of the rack, the rack is also connected to one ends of a locking rod A and a locking rod B, the door frame butt joint column is arranged in the side lock channel, a door frame butt joint groove is formed in the corresponding position of the inner wall of the door frame, and the door frame butt joint column penetrates through the side lock channel and is arranged in the door frame butt joint groove.

As further preferable in the present technical solution: a actuating mechanism of airtight door includes master gear and a gear, the master gear is installed at the working chamber through rotating the post, and rotates the post and wear out the back and connect the start-up hand wheel, a gear passes through the spliced pole and installs on the working chamber, master gear and a gear engagement.

As further preferable in the present technical solution: the rack of the side fixing piece on the first sealed door is meshed with the main gear, and the rack at one end of the locking rod A is meshed below the first gear.

As further preferable in the present technical solution: no. two airtight doors include No. two gears, master gear and a gear, a gear and No. two gear engagement are at the upper and lower both ends of master gear, a gear and No. two gears also install in the work cavity of No. two airtight doors through the spliced pole, the rotation post is connected at the master gear center, and rotates the post and wear out the back connection spare hand wheel.

As further preferable in the present technical solution: the rack of the side fixing piece on the second airtight door is meshed on the second gear, and the rack on the locking rod B is meshed on the first gear.

As further preferable in the present technical solution: the first airtight door and the second airtight door mainly comprise outer metal sleeves, explosion-proof sleeves and fireproof materials, the explosion-proof sleeves are installed in the outer metal sleeves, and the fireproof materials are filled in the explosion-proof sleeves.

As further preferable in the present technical solution: and a sealing strip is arranged at the contact position of the inner wall of the door frame and the main door body, and an air cavity is arranged in the sealing strip.

The utility model provides a partition protection explosion-proof airtight door which has the following beneficial effects:

(1) according to the utility model, the driving mechanisms are arranged in the first airtight door and the second airtight door, and the driving mechanisms are linked with the side fixing pieces, the locking rods A and the locking rods B, so that the two sides of the first airtight door and the second airtight door are respectively provided with the locking structures, after the main door body is closed, the first airtight door and the second airtight door are fixed by the locking rods A and the locking rods B, and the two sides of the first airtight door and the second airtight door are fixed by the side fixing pieces and the door frame, so that the fastening effect of the whole airtight door after the closing is good.

(2) According to the utility model, the locking rod A and the locking rod B are driven to move by the driving mechanism in the first airtight door and the second airtight door, when the locking rod A is inserted into a main lock channel of the second airtight door, the locking rod B can be driven to move by the driving mechanism in the second airtight door, so that the locking rod A is extruded out, the locking rod A or the locking rod B is pushed back to the original position in an emergency state is avoided, and other door opening measures can be provided when the locking state occurs.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the second airtight door of the present invention;

fig. 4 is a schematic structural view of a closed position of the door frame and the main door body.

In the figure: 1. a door frame; 2. a first airtight door; 3. a second airtight door; 4. a main door body; 5. starting a hand wheel; 6. a spare hand wheel; 7. a hinge; 8. a door frame butt-joint groove; 9. a second gear; 10. a main gear; 11. a first gear; 12. a drive mechanism; 13. a doorframe butting column; 14. a rack; 15. side fixing pieces; 16. a working chamber; 17. a locking lever A; 18. a locking lever B; 19. a primary lock way; 20. a side locking channel; 21. rotating the column; 22. an outer metal sleeve; 23. connecting columns; 24. an explosion-proof sleeve; 25. a fire-resistant material; 26. an air cavity; 27. a sealing strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a cut off explosion-proof airtight door of protection, including door frame 1 and main door body 4, main door body 4 includes airtight door 2 and No. two airtight door 3, install on door frame 1 through hinge 7 in the both sides of airtight door 2 and No. two airtight door 3, pin each other between the side that airtight door 2 and No. two airtight door 3 contacted, all be equipped with working chamber 16 in airtight door 2 and No. two airtight door 3, be equipped with side lock way 20 and main lock way 19 on the working chamber 16, install actuating mechanism 12 in the working chamber 16, all install side mounting 15 on the actuating mechanism 12 of airtight door 2 and No. two airtight door 3, actuating mechanism 12 below of airtight door 2 connects locking lever A17, actuating mechanism 12 below of No. two airtight door 3 connects locking lever B18, locking lever A17 and locking lever B18 are arranged in main lock way 19.

In this embodiment, specifically: the side fixing piece 15 comprises a door frame butt joint column 13 and a rack 14, the door frame butt joint column 13 is connected to one end of the rack 14, the rack 14 is also connected to one ends of a locking rod A17 and a locking rod B18, the door frame butt joint column 13 is arranged in the side lock channel 20, a door frame butt joint groove 8 is arranged at the corresponding position of the inner wall of the door frame 1, the door frame butt joint column 13 penetrates through the side lock channel 20 and is arranged in the door frame butt joint groove 8, the door frame butt joint column 13 is inserted into the door frame butt joint groove 8, and therefore the first sealed door 2 and the second sealed door 3 are locked with the door frame 1.

In this embodiment, specifically: a driving mechanism 12 of a first sealed door 2 comprises a main gear 10 and a first gear 11, the main gear 10 is installed in a working cavity 16 through a rotating column 21, the rotating column 21 penetrates out and then is connected with a starting hand wheel 5, the first gear 11 is installed on the working cavity 16 through a connecting column 23, the main gear 10 is meshed with the first gear 11, a rack 14 of a side fixing piece 15 on the first sealed door 2 is meshed on the main gear 10, a rack 14 at one end of a locking rod A17 is meshed below the first gear 11, the starting hand wheel 5 is rotated to drive the main gear 10 to rotate, and therefore the first gear 11 is driven to rotate, and the first gear 11 and the main gear 10 move reversely.

In this embodiment, specifically: no. two airtight door 3 includes No. two gears 9, master gear 10 and No. one gear 11, No. one gear 11 and No. two gears 9 mesh in the upper and lower both ends of master gear 10, No. one gear 11 and No. two gears 9 also install in No. two airtight door 3's working chamber 16 through spliced pole 23, master gear 10 center connection rotates post 21, and rotate the backup hand wheel 6 of connecting after post 21 wears out, it can drive master gear 10 and rotate to rotate backup hand wheel 6, thereby drive No. one gear 11 and No. two gears 9 and rotate, No. one gear 11 and No. two gears 9 and syntropy this moment, No. one gear 11 and No. two gears 9 are reverse with master gear 10.

In this embodiment, specifically: the rack 14 of the side fixing piece 15 on the second airtight door 3 is meshed with the second gear 9, and the rack 14 on the locking rod B18 is meshed with the first gear 11, so that the side fixing piece 15 and the locking rod B18 can move along with the movement of the rack 14.

In this embodiment, specifically: no. one airtight door 2, No. two airtight door 3 mainly include outer metal covering 22, explosion-proof cover 24 and fire-proof material 25, and explosion-proof cover 24 is installed in outer metal covering 22, and fire-proof material 25 fills in explosion-proof cover 24, and during the use, utilize outer metal covering 22 can reach high temperature resistant and resistant striking effect, make it have good explosion-proof and fire prevention effect through explosion-proof cover 24 and fire-proof material 25.

In this embodiment, specifically: the position that the inner wall of door frame 1 and main door body 4 contacted is provided with sealing strip 27, is equipped with air cavity 26 in the sealing strip 27, utilizes sealing strip 27 to make door frame 1 and main door body 4 closed back, reaches good sealed effect.

It should be noted that, when the partition protection explosion-proof airtight door works, the driving mechanism 12 in the first airtight door 2 is composed of the main gear 10 and the first gear 11 which are engaged with each other, so that the locking rod a17 and the side fixing piece 15 which are engaged with the main gear 10 and the first gear 11 move in the same direction, the driving mechanism 12 of the second airtight door 3 is composed of the second gear 9, the main gear 10 and the first gear 11 which are engaged with each other, so that the side fixing piece 15 and the locking rod B18 which are engaged with the second gear 9 and the first gear 11 move in the same direction, when in use, the hand wheel 5 can be rotated to drive the driving mechanism 12 on the first airtight door 2 to rotate, the side fixing piece 15 and the locking rod a17 on the driving mechanism 12 move towards both sides, the locking rod a17 is inserted into the doorframe abutting groove 8 of the doorframe 1 and the main lock channel 19 of the second airtight door 3, and the locking rod a17 can extrude the locking rod B18 after being inserted into the main lock channel 19, thereby driving the locking rod B18 to move to the rear side, at the same time, driving the driving mechanism 12 in the second airtight door 3 to rotate, thereby inserting the side fixing piece 15 in the second airtight door 3 into the doorframe abutting groove 8 of the doorframe 1, so that both sides of the first airtight door 2 and the second airtight door 3 have locking structures, and the whole airtight door has good fastening effect after being closed, furthermore, when needing to be opened, the starting hand wheel 5 can be rotated again, so that the locking rod A17 and the side fixing piece 15 in the first airtight door 2 can be restored to the original positions, when the locking rod A17 is locked, the standby hand wheel 6 can be started, the driving mechanism 12 of the second airtight door 3 is driven to move by the standby hand wheel 6, so that the locking rod B18 pushes the locking rod A17 back to the original position, the locking problem can be solved, when the locking rod B18 has the locking problem, the starting hand wheel 5 can also be used for operation, the safety of the explosion-proof airtight door is improved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut off explosion-proof sealed door of protection, includes door frame (1) and the main door body (4), its characterized in that: the main door body (4) comprises a first airtight door (2) and a second airtight door (3), the two sides of the first airtight door (2) and the second airtight door (3) are installed on the door frame (1) through hinges (7), the side surfaces of the first airtight door (2) and the second airtight door (3) which are contacted are mutually locked, a working chamber (16) is arranged in the first airtight door (2) and the second airtight door (3), a side locking channel (20) and a main locking channel (19) are arranged on the working chamber (16), a driving mechanism (12) is installed in the working chamber (16), a side fixing piece (15) is installed on the driving mechanism (12) of the first airtight door (2) and the second airtight door (3), a locking rod A (17) is connected below the driving mechanism (12) of the first airtight door (2), and a locking rod B (18) is connected below the driving mechanism (12) of the second airtight door (3), the locking rod A (17) and the locking rod B (18) are arranged in the main lock channel (19).

2. A partition protective explosion-proof containment door as recited in claim 1, further comprising: side fixed part (15) are including door frame butt joint post (13) and rack (14), door frame butt joint post (13) is connected to the one end of rack (14), rack (14) are also connected to the one end of check lock lever A (17) and check lock lever B (18), side lock is arranged in (20) to door frame butt joint post (13), door frame (1) inner wall relevant position is equipped with door frame butt joint groove (8), door frame butt joint post (13) pass side lock and say (20) and arrange in door frame butt joint groove (8).

3. A partition protective explosion-proof containment door as recited in claim 2, further comprising: actuating mechanism (12) of a sealed door (2) include master gear (10) and a gear (11), install in working chamber (16) through rotating post (21) master gear (10), and rotate post (21) and wear out the back and connect start-up hand wheel (5), install on working chamber (16) through spliced pole (23) gear (11), master gear (10) and a gear (11) meshing.

4. A partition protective explosion-proof containment door as recited in claim 3, further comprising: the rack (14) of the side fixing piece (15) on the first sealed door (2) is meshed on the main gear (10), and the rack (14) at one end of the locking rod A (17) is meshed below the first gear (11).

5. A partition protective explosion-proof containment door as recited in claim 2, further comprising: no. two airtight door (3) are including No. two gear (9), master gear (10) and gear (11), gear (11) and No. two gear (9) mesh at the upper and lower both ends of master gear (10), gear (11) and No. two gear (9) are also installed in working chamber (16) of No. two airtight door (3) through spliced pole (23), rotate post (21) is connected at master gear (10) center, and rotate post (21) and wear out back connection spare hand wheel (6).

6. A partition protective explosion-proof containment door as recited in claim 5, further comprising: rack (14) meshing of side mounting (15) on No. two airtight door (3) is on No. two gears (9), rack (14) meshing on check lock lever B (18) is on gear (11).

7. A partition protective explosion-proof containment door as recited in claim 1, further comprising: a airtight door (2), No. two airtight door (3) mainly include outer metal covering (22), explosion-proof cover (24) and fire-proof material (25), explosion-proof cover (24) are installed in outer metal covering (22), fire-proof material (25) are filled in explosion-proof cover (24).

8. A partition protective explosion-proof containment door as recited in claim 1, further comprising: and a sealing strip (27) is arranged at the contact position of the inner wall of the door frame (1) and the main door body (4), and an air cavity (26) is arranged in the sealing strip (27).