CN217176371U

CN217176371U - Emergency airtight door

Info

Publication number: CN217176371U
Application number: CN202220115969.3U
Authority: CN
Inventors: 袁飞
Original assignee: Jiangsu Huyue Intelligent Technology Co ltd
Current assignee: Shanghai Zhengcheng Protective Equipment Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-12
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses an emergent airtight door belongs to emergency exit technical field, door frame structure including left door frame, right door frame and top frame constitution, the door body is installed the inside of door frame structure, set up at the glass window on the door body, the door body includes through the mutual articulated main door plant of rotation axis and vice door plant, wherein vice door plant is kept away from one side of main door plant passes through the hinge and articulates on the right side door frame lateral wall, the main door plant is kept away from one side of vice door plant is fixed through the door lock structure on the left side door frame, the main door plant is installed one side of rotation axis still is connected with the extension plate, the tip of extension plate with right side door frame pastes and touches. Through dividing the primary and secondary door structure that the door body constitutes into main door plant and vice door plant, can open vice door plant and enlarge the flow of people who passes through when emergent use, because one side and the left door frame laminating of main door plant, the opposite side passes through extension plate and the laminating of right door frame, improves the leakproofness when only using main door plant.

Description

Emergency airtight door

Technical Field

The utility model relates to an emergency exit technical field, in particular to emergent airtight door.

Background

The emergency door is also called emergency evacuation door, emergency door, escape door, safe exit door, emergency access door, and fire-fighting access door. Generally, the door is a door which is necessary for building fire safety and is used for a quick passage for emergency escape and fire rescue.

When a general emergency door is used in a place with an excessively high requirement on air tightness, in order to not affect the tightness of the place, a single door is usually adopted, and sealing treatment can be effectively carried out under the condition that the emergency door is closed, but only a small number of people can pass through when emergency needs evacuation, the purpose of sealing and evacuating large-flow crowds cannot be achieved, and the emergency door is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at just lies in providing an emergent airtight door in order to solve above-mentioned emergency door and need give up partial evacuation ability in order to guarantee the leakproofness and lead to using inconvenient problem and provide, have and adopt the nimble application of primary and secondary door, compromise evacuation ability when guaranteeing the gas tightness, use more nimble convenient advantage.

The utility model discloses a following technical scheme realizes above-mentioned purpose, an emergent airtight door, including the door frame structure that left door frame, right door frame and top frame are constituteed, the door body is installed the inside of door frame structure, set up at the glass window on the door body, the door body includes through the mutual articulated main door plant of rotation axis and vice door plant, wherein vice door plant is kept away from one side of main door plant passes through the hinge and articulates on the right side door frame lateral wall, main door plant is kept away from one side through the door lock structure of vice door plant is fixed on the left side door frame, main door plant is installed one side of rotation axis still is connected with the extension plate, the tip of extension plate with right side door frame pastes and touches.

Preferably, the edge plate is installed on one side of the main door plate, which is far away from the auxiliary door plate, and one side of the extension plate, which is close to the right door frame, the edge plate on the main door plate is attached to the notch formed in the side edge of the left door frame through the sealing strip, and the edge plate on the extension plate is attached to the notch formed in the side edge of the right door frame through the sealing strip.

Preferably, the edge plate is provided with an installation groove, the sealing strip is provided with an installation lug, and the installation lug is inserted into the installation groove.

Preferably, the auxiliary door panel is provided with a locking mechanism, and the auxiliary door panel and the top frame are fixed through the locking mechanism.

Preferably, the locking mechanism comprises a slot formed in the top frame and an insertion rod mounted on the auxiliary door panel, and the insertion rod is movably inserted into the slot.

Preferably, on the inserted bar installation fixing base, the bottom of inserted bar passes through spring coupling fixing base, still sets up the constant head tank of difference in height on the fixing base, and the outer wall setting of inserted bar and constant head tank assorted locating lever.

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

1. through dividing the primary and secondary door structure that the door body constitutes into main door plant and vice door plant, can open vice door plant and enlarge the flow of people who passes through when emergent use, because one side and the left door frame laminating of main door plant, the opposite side passes through extension plate and the laminating of right door frame, improves the leakproofness when only using main door plant.

2. All set up the border board on main door plant and the extension plate, install the sealing strip on the border board, increase and control the leakproofness of door frame laminating, the sealing strip is detachable installs on the border board in addition, damages the convenient change in back, is convenient for maintain.

3. The locking mechanism on the auxiliary door plate is convenient for opening the auxiliary door plate and is convenient for operation and use.

Drawings

Fig. 1 is the overall structure schematic diagram of the emergency airtight door of the present invention.

Fig. 2 is the schematic view of the installation structure of the main door panel and the auxiliary door panel of the present invention.

Fig. 3 is the schematic view of the sealing strip mounting structure of the present invention.

Fig. 4 is a schematic structural diagram of the locking mechanism of the present invention.

In the figure: 1. left door frame, 2, right door frame, 3, top frame, 4, main door board, 5, vice door plant, 6, glass window, 7, lock structure, 8, locking mechanical system, 9, extension board, 10, rotation axis, 11, hinge, 12, sealing strip, 13, installation lug, 14, mounting groove, 15, border board, 16, slot, 17, inserted bar, 18, locating lever, 19, fixing base, 20, spring, 21, constant head tank.

Detailed Description

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

Referring to fig. 1 and 2, an emergency airtight door includes a door frame structure composed of a left door frame 1, a right door frame 2 and a top frame 3, the door body is installed inside the door frame structure, the door body is opened on a glass window 6, the door body includes a main door panel 4 and a sub door panel 5 hinged to each other through a rotation shaft 10, wherein one side of the sub door panel 5 away from the main door panel 4 is hinged to a side wall of the right door frame 2 through a hinge 11, one side of the main door panel 4 away from the sub door panel 5 is fixed on the left door frame 1 through a door lock structure 7, one side of the main door panel 4 where the rotation shaft 10 is installed is further connected with an extension plate 9, an end of the extension plate 9 is attached to the right door frame 2, the main door panel 4 and the sub door panel 5 can only open and close the main door panel 4 in a normal state, an accessible area can be enlarged after the sub door panel 5 is opened, the emergency airtight door is more flexibly used, one end of the main door panel 4 is attached to the left door frame 1, the other end is attached to the right door frame 2 through the extension plate 9, so that even if the main door panel 4 is opened and closed through the rotating shaft 10, the left door frame and the right door frame are attached to the two sides of the main door panel when the main door panel is closed, and the sealing performance of the emergency airtight door is guaranteed.

As shown in fig. 2 and fig. 3, an edge plate 15 is installed on one side of the main door panel 4 far away from the auxiliary door panel 5 and one side of the extension plate 9 close to the right door frame 2, the edge plate 15 on the main door panel 4 is attached to a notch formed in the side edge of the left door frame 1 through a sealing strip 12, the edge plate 15 on the extension plate 9 is attached to a notch formed in the side edge of the right door frame 2 through a sealing strip 12, the sealing strip 12 installed on the edge plate 15 can seal a gap between the edge plate 15 and the left and right door frames when the left door frame 1 and the right door frame 2 are attached, the sealing performance of the emergency airtight door is improved, a mounting groove 14 is formed in the edge plate 15, a mounting convex block 13 is arranged on the sealing strip 12, the mounting convex block 13 is inserted into the mounting groove 14, the sealing strip 12 is detachably mounted in a manner, so that the sealing strip 12 is convenient to replace after being damaged, and is convenient to maintain.

As shown in fig. 1, a locking mechanism 8 is installed on an auxiliary door panel 5, the auxiliary door panel 5 and a top frame 3 are fixed through the locking mechanism 8, the locking mechanism 8 is used for conveniently fixing the auxiliary door panel 5 and facilitating the selection of the opening and closing of the auxiliary door panel 5, as shown in fig. 4, the locking mechanism 8 comprises a slot 16 formed in the top frame 3 and an insertion rod 17 installed on the auxiliary door panel 5, the insertion rod 17 is movably inserted into the slot 16, the auxiliary door panel 5 is fixed on the top frame 3 and cannot be opened and closed after the insertion rod 17 is inserted into the slot 16, the auxiliary door panel 5 is separated from the top frame 3 when the insertion rod 17 is pulled out from the slot 16 and is convenient to open, the insertion rod 17 is installed on a fixed seat 19, the bottom end of the insertion rod 17 is connected with the fixed seat 19 through a spring 20, the fixed seat 19 is further provided with positioning slots 21 with different heights, the outer wall of the insertion rod 17 is provided with a positioning rod 18 matched with the positioning slots 21, the spring 20 on the fixed seat 19 is used for conveniently pushing the insertion rod 17 into the slot 16 through elasticity, the auxiliary door plate 5 is conveniently locked, the positioning rod 18 is used for fixing the position of the inserting rod 17, two positioning grooves 21 are respectively located at the positions, close to the top and the bottom, of the fixing seat 19, the inserting rod 17 cannot be inserted into the slot 16 when the positioning rod 18 is clamped in the positioning groove 21 below, and the inserting rod 17 is inserted into the slot 16 when the positioning rod 18 is clamped into the positioning groove 21 above.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an emergent airtight door, includes the door frame structure that left door frame (1), right door frame (2) and top frame (3) are constituteed, and the door body is installed the inside of door frame structure, set up on the door body at glass window (6), its characterized in that, the door body includes through rotation axis (10) mutual articulated main door plant (4) and vice door plant (5), wherein vice door plant (5) are kept away from one side of main door plant (4) is articulated through hinge (11) on right door frame (2) lateral wall, main door plant (4) are kept away from one side of vice door plant (5) is fixed through door lock structure (7) on left door frame (1), main door plant (4) installation one side of rotation axis (10) still is connected with extension plate (9), the tip of extension plate (9) with right door frame (2) paste and touch.

2. The emergency airtight door of claim 1, wherein an edge plate (15) is installed on one side of the main door panel (4) far away from the auxiliary door panel (5) and one side of the extension plate (9) close to the right door frame (2), the edge plate (15) on the main door panel (4) is attached to a notch formed in the side edge of the left door frame (1) through the sealing strip (12), and the edge plate (15) on the extension plate (9) is attached to a notch formed in the side edge of the right door frame (2) through the sealing strip (12).

3. The emergency airtight door according to claim 2, wherein the edge plate (15) is provided with an installation groove (14), the sealing strip (12) is provided with an installation projection (13), and the installation projection (13) is inserted into the installation groove (14).

4. Emergency air-tight door according to claim 1, characterized in that the secondary door panel (5) is provided with a locking mechanism (8), and the secondary door panel (5) is fixed to the top frame (3) by the locking mechanism (8).

5. Emergency air-tight door according to claim 4, characterized in that the locking mechanism (8) comprises a slot (16) made in the top frame (3) and an insert rod (17) mounted on the secondary door panel (5), the insert rod (17) being movably inserted in the slot (16).

6. The emergency airtight door according to claim 5, wherein the insertion rod (17) is mounted on a fixed seat (19), the bottom end of the insertion rod (17) is connected with the fixed seat (19) through a spring (20), positioning grooves (21) with different heights are further formed in the fixed seat (19), and positioning rods (18) matched with the positioning grooves (21) are arranged on the outer wall of the insertion rod (17).