CN210396577U

CN210396577U - Double-leaf protective airtight door

Info

Publication number: CN210396577U
Application number: CN201920865231.7U
Authority: CN
Inventors: 谢永龙
Original assignee: Nanjing Xinhua Civil Air Defense Equipment Co ltd
Current assignee: Nanjing Xinhua Civil Air Defense Equipment Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-24
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a two-leaf protective airtight door relates to two-leaf protective airtight door technical field, meets the intensity of a fire resistance poor for solving current two-leaf protective airtight door, makes two-leaf protective airtight door produce the problem of damage easily. The top of ground is provided with the door frame, the inside of door frame is provided with first guard gate and second guard gate, one side of first guard gate and second guard gate all is provided with locking hand wheel and handle, and locking hand wheel is located one side of handle, handle and first guard gate welded connection, be provided with the hinge mechanism between door frame and the first guard gate, and be provided with the hinge mechanism between door frame and the second guard gate, first guard gate and second guard gate all include steel construction board, insulating layer and fire prevention cladding plate, the outside of steel construction board is provided with the insulating layer, the outside of insulating layer is provided with fire prevention cladding plate.

Description

Double-leaf protective airtight door

Technical Field

The utility model relates to a biparting protection sealing door device technical field specifically is a biparting protection sealing door.

Background

The protective airtight door is arranged on the outermost side of the entrance and the exit, has two functions of blocking shock waves and isolating toxicants, has a plurality of types, and is selected according to different requirements and conditions. The opening space that forms after two protective airtight doors are opened is bigger, is fit for being provided with in the place that needs pass through more people, and two protective airtight doors make things convenient for crowd's sparse, can prevent the production of stream of people phenomenon of blocking up, and the practicality is stronger.

However, the existing double-leaf protective airtight door has poor fire resistance, smoke is easy to scatter out of a gap between doors, the double-leaf protective airtight door is easy to damage, and the protection performance and the tightness of the double-leaf protective airtight door are reduced, so that the existing requirements are not met, and the double-leaf protective airtight door is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biparting protective airtight door to the biparting protective airtight door that provides meets the intensity of a fire resistance can be poor in solving above-mentioned background art, and biparting protective airtight door produces the problem of damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: a double-leaf protective airtight door comprises a foundation, a door frame is arranged above the foundation, a first protective door and a second protective door are arranged inside the door frame, the first protective door is positioned on one side of the second protective door, a locking hand wheel and a handle are arranged on one sides of the first protective door and the second protective door, the locking hand wheel is positioned on one side of the handle, the handle is welded with the first protective door and the second protective door, a hinge mechanism is arranged between the door frame and the first protective door, the hinge mechanism is arranged between the door frame and the second protective door, the first protective door and the second protective door respectively comprise a steel structure plate, a thermal insulation layer and a fireproof cladding plate, the thermal insulation layer is arranged outside the steel structure plate, the fireproof cladding plate is arranged outside the thermal insulation layer, and a first sealing strip and a second sealing strip are arranged between the first protective door and the second protective door, and the first sealing strip is positioned on one side of the second sealing strip.

Preferably, the lower end of the interior of the door frame is provided with a doorsill, the doorsill and the door frame are of an integrated structure, the upper end of the interior of the door frame is provided with an upper baffle, the upper baffle and the door frame are of an integrated structure, the doorsill and the upper baffle are both located on the other side of the first protective door and the other side of the second protective door, and a sealing gasket is arranged on one side of the doorsill and one side of the upper baffle.

Preferably, the hinge mechanism includes first fixed plate, key frame, bearing pin, axle sleeve, adapter sleeve and second fixed plate, one side of first fixed plate is provided with the key frame, and the key frame is provided with two, be provided with the bearing pin between two key frames, the outside of bearing pin is provided with the axle sleeve, the outside of axle sleeve is provided with the adapter sleeve, the one end of adapter sleeve is provided with the second fixed plate.

Preferably, the first fixing plate is welded to the pin frame.

Preferably, the first sealing strip is connected with the second protection door in a sticking mode, and the second sealing strip is connected with the first protection door in a sticking mode.

Preferably, one end of the hinge mechanism is fixedly connected with the first protective door through a bolt, and the hinge mechanism is fixedly connected with the second protective door through a bolt.

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

1. the utility model discloses a steel construction plate outside attaches one deck insulating layer and one deck fire prevention cladding plate, lets the protectiveness of two protective airtight doors when meetting the intensity of a fire better, is difficult to produce and damages outermost fire prevention cladding plate: construction convenience, decorative good, with low costs, the loss is little, no environmental pollution, has good fireproofness, shock resistance, heat-proof quality and durability, and insulating layer materials safety, green, environmental protection have good heat-proof effect can prevent the intensity of a fire from producing thermal transmission, avoid transmitting locking hand wheel and handle on, in case scald the user, such design can prolong the life of two protective airtight doors, reinforcing two protective airtight doors's protectiveness. The problem of two protective airtight doors meet the intensity of a fire poor resistance, easy two protective airtight doors produce the damage is solved.

2. The utility model discloses a be provided with the sealing strip between first guard gate and the second guard gate, the threshold is provided with sealed the pad with the face of first guard gate and the laminating of second guard gate with last baffle, has strengthened the leakproofness after first guard gate and the second guard gate are closed like this, can avoid external various risk factor to pass the double door body and enter into inside.

3. The utility model discloses a design of the hinge mechanism, it is more durable than in ordinary hinge, improved the joint strength between first guard gate and door frame and the second guard gate, prolong the life of hinge mechanism to the life of extension two leaf protective airtight doors.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a connection diagram of the first protective door and the second protective door of the present invention;

FIG. 3 is a view showing the connection relationship between the doorsill, the doorframe and the upper baffle according to the present invention;

fig. 4 is a schematic structural view of the hinge mechanism of the present invention.

In the figure: 1. a foundation; 2. a door frame; 3. a first guard gate; 4. a second guard gate; 5. locking a hand wheel; 6. a handle; 7. a hinge mechanism; 8. a steel structural panel; 9. a thermal insulation layer; 10. a fireproof cladding sheet; 11. a first seal strip; 12. a second seal strip; 13. a threshold; 14. an upper baffle plate; 15. a gasket; 16. a first fixing plate; 17. a pin frame; 18. a bearing pin; 19. a shaft sleeve; 20. connecting sleeves; 21. and a second fixing plate.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a double-leaf protective airtight door comprises a foundation 1, a door frame 2 is arranged above the foundation 1, a first protective door 3 and a second protective door 4 are arranged inside the door frame 2, the first protective door 3 is positioned on one side of the second protective door 4, a locking hand wheel 5 and a handle 6 are arranged on one side of each of the first protective door 3 and the second protective door 4, the locking hand wheel 5 is positioned on one side of the handle 6, the locking hand wheel 5 is beneficial to locking after the first protective door 3 and the second protective door 4 are closed, the handle 6 is convenient to open the first protective door 3 and the second protective door 4, the handle 6 is welded with the first protective door 3, the handle 6 is welded with the second protective door 4, the connection is firm and reliable, the door frame 2 is not easy to fall off, a hinge mechanism 7 is arranged between the door frame 2 and the first protective door 3, the first protective door 3 and the second protective door 4 can be flexibly rotated, the first protective door 3 and the second protective door 4 can be conveniently opened and closed, and be provided with the hinge mechanism 7 between door frame 2 and the second guard gate 4, first guard gate 3 and second guard gate 4 all include steel structural slab 8, insulating layer 9 and fire prevention cladding plate 10, the outside of steel structural slab 8 is provided with insulating layer 9, the outside of insulating layer 9 is provided with fire prevention cladding plate 10, be provided with first sealing strip 11 and second sealing strip 12 between first guard gate 3 and the second guard gate 4, and first sealing strip 11 is located one side of second sealing strip 12, let first guard gate 3 and second guard gate 4 close the back, the leakproofness between them is higher, improve the leakproofness of two protective airtight doors.

Further, the inside lower extreme of door frame 2 is provided with threshold 13, and threshold 13 and door frame 2 structure as an organic whole, the inside upper end of door frame 2 is provided with overhead gage 14, and overhead gage 14 and door frame 2 structure as an organic whole, integrative structural integrity is good, the junction does not have the gap, maintain the leakproofness with door frame 2 junction, threshold 13 and overhead gage 14 all are located the opposite side of first guard gate 3 and second guard gate 4, one side of threshold 13 and overhead gage 14 is provided with sealed the pad 15, can keep the leakproofness after first guard gate 3 and second guard gate 4 close.

Further, the hinge mechanism 7 includes a first fixing plate 16, a pin frame 17, a bearing pin 18, a shaft sleeve 19, a connecting sleeve 20 and a second fixing plate 21, the pin frame 17 is arranged on one side of the first fixing plate 16, the bearing pin 18 is convenient to fix, the pin frame 17 is provided with two, the fixing is more stable, the bearing pin 18 is arranged between the two pin frames 17, the shaft sleeve 19 is arranged outside the bearing pin 18, the first protective door 3 and the second protective door 4 are convenient to rotate, the connecting sleeve 20 is arranged outside the shaft sleeve 19 and used for being connected with the second fixing plate 21, and the hinge mechanism is firmer, one end of the connecting sleeve 20 is provided with the second fixing plate 21 and is convenient to be connected with the first protective door 3 and the second protective door 4.

Furthermore, the first fixing plate 16 is welded with the pin frame 17, so that the structure integrity is good, the structure rigidity is high, the welding line strength is high, the sealing performance is good, and the connection mode is the most stable one.

Further, the first sealing strip 11 is connected with the second protection door 4 in a sticking mode, the second sealing strip 12 is connected with the first protection door 3 in a sticking mode, the sticking connection strength is high, certain vibration resistance is achieved, and the connecting part is light in weight.

Furthermore, one end of the hinge mechanism 7 is fixedly connected with the first protective door 3 through a bolt, and the hinge mechanism 7 is fixedly connected with the second protective door 4 through a bolt, so that the structure is simple, the connection is reliable, and the disassembly and the assembly are convenient.

The working principle is as follows: when the door is used, the second fixing plates 21 at one ends of the two hinge mechanisms 7 are respectively fixed at one ends of the first protective door 3 and the second protective door 4, and the other ends of the hinge mechanisms 7 are fixed on the door frame 2, so that the first protective door 3 and the second protective door 4 are assembled, and when the first protective door 3 and the second protective door 4 are opened and closed, the shaft sleeve 19 can rotate on the bearing pin 18, so that the first protective door 3 and the second protective door 4 can flexibly rotate and open and close through the hinge mechanisms 7. When the first protection door 3 and the second protection door 4 are closed, one side of the first protection door 3 and one side of the second protection door 4 are tightly attached to the doorsill 13 and the sealing gasket 15 on the upper baffle plate 14, and the first sealing strip 11 and the second sealing strip 12 between the first protection door 3 and the second protection door 4 are tightly attached to each other, so that the sealing performance is higher when the first protection door 3 and the second protection door 4 are closed, and the external dangerous gas is prevented from passing through the door gap to enter the interior. The fireproof cladding plate 10 has good flame retardance and fire resistance, and is used as the outermost layer protection to increase the protection performance of the first protection door 3 and the second protection door 4, and the heat insulation layer 9 has good heat insulation performance and can insulate heat to prevent the heat from being transferred to the inside of the first protection door 3 and the second protection door 4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a two leaf protective airtight door, includes ground (1), its characterized in that: the top of ground (1) is provided with door frame (2), the inside of door frame (2) is provided with first guard gate (3) and second guard gate (4), and first guard gate (3) are located one side of second guard gate (4), one side of first guard gate (3) and second guard gate (4) all is provided with locking hand wheel (5) and handle (6), and locking hand wheel (5) are located one side of handle (6), handle (6) and first guard gate (3) welded connection, and handle (6) and second guard gate (4) welded connection, be provided with hinge mechanism (7) between door frame (2) and first guard gate (3), and be provided with hinge mechanism (7) between door frame (2) and second guard gate (4), first guard gate (3) and second guard gate (4) all include steel structure board (8), Insulating layer (9) and fire prevention clad plate (10), the outside of steel construction board (8) is provided with insulating layer (9), the outside of insulating layer (9) is provided with fire prevention clad plate (10), be provided with first sealing strip (11) and second sealing strip (12) between first guard gate (3) and second guard gate (4), and first sealing strip (11) are located one side of second sealing strip (12).

2. The double-leaf protective containment door of claim 1, wherein: the lower extreme of door frame (2) inside is provided with threshold (13), and threshold (13) and door frame (2) structure as an organic whole, the inside upper end of door frame (2) is provided with overhead gage (14), and overhead gage (14) and door frame (2) structure as an organic whole, threshold (13) and overhead gage (14) all are located the opposite side of first guard gate (3) and second guard gate (4), one side of threshold (13) and overhead gage (14) is provided with sealed the pad (15).

3. The double-leaf protective containment door of claim 1, wherein: the hinge mechanism (7) comprises a first fixing plate (16), a pin frame (17), a bearing pin (18), a shaft sleeve (19), a connecting sleeve (20) and a second fixing plate (21), the pin frame (17) is arranged on one side of the first fixing plate (16), the pin frames (17) are arranged in two, the bearing pin (18) is arranged between the two pin frames (17), the shaft sleeve (19) is arranged outside the bearing pin (18), the connecting sleeve (20) is arranged outside the shaft sleeve (19), and the second fixing plate (21) is arranged at one end of the connecting sleeve (20).

4. The double-leaf protective containment door of claim 3, wherein: the first fixing plate (16) is connected with the pin frame (17) in a welding mode.

5. The double-leaf protective containment door of claim 1, wherein: the first sealing strip (11) is connected with the second protective door (4) in a sticking mode, and the second sealing strip (12) is connected with the first protective door (3) in a sticking mode.

6. The double-leaf protective containment door of claim 1, wherein: one end of the hinge mechanism (7) is fixedly connected with the first protective door (3) through a bolt, and the hinge mechanism (7) is fixedly connected with the second protective door (4) through a bolt.