阅读说明：本技术 一种具有紧急逃生功能的人防门 (People's air defense door with function of promptly fleing ) 是由 蔡苗青 薛栓柱 于 2020-04-22 设计创作，主要内容包括：本发明涉及人防门的技术领域,尤其是涉及一种具有紧急逃生功能的人防门,包括门框以及铰接在门框上的门扇,所述门扇上开设有逃生口,逃生口处安装有封闭逃生口的常闭板,常闭板与门扇之间设置有密封结构；常闭板的内侧设置有被动部,门扇上安装有与被动部配合以将常闭板固定在门扇上的主动部。本发明具有方便内部人员逃生的效果。(The invention relates to the technical field of civil air defense doors, in particular to a civil air defense door with an emergency escape function, which comprises a door frame and a door leaf hinged on the door frame, wherein an escape opening is formed in the door leaf, a normally closed plate for sealing the escape opening is arranged at the escape opening, and a sealing structure is arranged between the normally closed plate and the door leaf; the inner side of the normally closed plate is provided with a driven part, and the door leaf is provided with an active part which is matched with the driven part to fix the normally closed plate on the door leaf. The invention has the effect of facilitating escape of personnel in the house.)

1. The utility model provides a people's air defense door with function of promptly fleing, includes door frame (1) and articulates door leaf (2) on door frame (1), its characterized in that: an escape opening is formed in the door leaf (2), a normally-closed plate (4) for sealing the escape opening is installed at the escape opening, and a sealing structure is arranged between the normally-closed plate (4) and the door leaf (2); the inner side of the normally-closed plate (4) is provided with a passive part (5), and the door leaf (2) is provided with an active part (6) which is matched with the passive part (5) to fix the normally-closed plate (4) on the door leaf (2).

2. The civil air defense door with the emergency escape function as claimed in claim 1, wherein: the driving part (6) comprises a fixed pipe (61) which is hollow inside and has one end opening towards the normally-closed plate (4), a limiting rod (62) which slides in the fixed pipe (61) and has one end extending out of the fixed pipe (61), a telescopic spring (63) connected between the limiting rod (62) and the inner wall of the fixed pipe (61), a shifting rod (64) which penetrates through the fixed pipe (61) and is connected with the limiting rod (62), and a sliding chute (611) which is axially arranged on the fixed pipe (61) and is used for the shifting rod (64) to move towards the direction close to or far away from the normally-closed plate (4), and the fixed pipe (61) is horizontally and fixedly connected on the door leaf (2);

the passive part (5) is in a block shape and is fixedly connected to the normally closed plate (4), and the passive part (5) is provided with a limiting hole (51) for inserting a limiting rod (62).

3. The civil air defense door with the emergency escape function as claimed in claim 2, wherein: the shifting rod (64) is in threaded connection with the limiting rod (62), and the shifting rod (64) can penetrate through the limiting rod (62).

4. The civil air defense door with the emergency escape function as claimed in claim 1, wherein: the driving part (6) comprises two supporting blocks (65) which are fixedly connected to the door leaf (2) and located on one side of the normally-closed plate (4), a rotating shaft (66) which is rotatably connected between the two supporting blocks (65), a pair of sleeves (67) which are fixedly connected to the rotating shaft (66) and arranged side by side, telescopic rods (68) which are respectively inserted into the two sleeves (67) in a sliding mode and a linkage rod (69) which is fixedly connected between the two telescopic rods (68), tensioning springs (70) are sleeved on the telescopic rods (68) and the sleeves (67) on the same side, limiting rings (71) are respectively fixedly connected to the outer walls of the telescopic rods (68) and the sleeves (67), and two ends of each tensioning spring (70) are respectively fixedly connected with the two limiting rings (71) on the same side;

the passive part (5) is in a block shape and is fixedly connected to the normally closed plate (4), and one side, departing from the active part (6), of the passive part (5) is provided with a groove (52) for clamping the linkage rod (69).

5. The civil air defense door with the emergency escape function as claimed in claim 1, wherein: the sealing structure comprises an air cushion (8) sleeved on the outer contour of the normally-closed plate (4) and an air valve (9) communicated with the air cushion (8).

6. The civil air defense door with the emergency escape function as claimed in claim 5, wherein: and a first sealing groove (42) for placing an air cushion (8) is formed around the normally-closed plate (4).

7. The civil air defense door with the emergency escape function as claimed in claim 6, wherein: and a second sealing groove (21) for accommodating the inflated air cushion (8) is formed in the position, corresponding to the first sealing groove (42), of the inner wall of the escape opening.

8. The civil air defense door with the emergency escape function as claimed in claim 5, wherein: the air valve (9) comprises an air tap (91) fixedly connected to the air cushion (8) and communicated with the inside of the air cushion (8) and a valve core (92) arranged inside the air tap (91);

the inner wall of the air tap (91) is provided with an internal thread; the valve core (92) comprises a core column (921) which is in threaded connection with the inner wall of the air faucet (91) and a plunger (922) which penetrates through the core column (921) and is in sliding connection with the core column (921) so as to open or close the air faucet (91);

the core column (921) is hollow, two ends of the core column are provided with openings, the opening of one end, close to the air cushion (8), of the core column (921) is closed, the inner wall of the opening of one end, far away from the air cushion (8), of the core column (921) is fixedly connected with a transverse rib (924), and the width of the transverse rib (924) is smaller than that of the opening; plunger (922) is shaft-like, and its diameter is less than the binding off, and plunger (922) slide and pass horizontal muscle (924), and plunger (922) are close to on the outer wall of air cushion (8) one end the rigid coupling have end cap (925) of shutoff binding off, and reset spring (926) have been cup jointed to the outside of plunger (922), and reset spring (926)'s one end and end cap (925) rigid coupling, reset spring (926)'s the other end and stem (921) inner wall rigid coupling.

9. The civil air defense door with the emergency escape function as claimed in claim 8, wherein: the outer wall of the air tap (91) is connected with an end cap (928) in a threaded mode, and one end, far away from the opening, of the end cap (928) is fixedly connected with a push rod (929).

10. The civil air defense door with the emergency escape function as claimed in claim 1, wherein: a handle (41) is fixedly connected to the inner side of the normally closed plate (4).

Technical Field

The invention relates to the technical field of civil air defense doors, in particular to a civil air defense door with an emergency escape function.

Background

The underground protection engineering also calls civil defense work, and refers to underground protection buildings which are independently built for guaranteeing shelter of personnel and materials in wartime, civil air defense command and medical rescue, and basements which are built by combining ground buildings and can be used for air defense in wartime. The doors at the entrance and exit of the underground protection project are called as civil air defense doors, and in various civil air defense door types, the light civil air defense doors are generally applied because the door leaves are made of lighter materials, and the opening and closing control mode is mainly a manual control mode.

The existing civil air defense door comprises a door frame and a door leaf, wherein a wheel disc is arranged on the door leaf, a lock head is arranged on the wheel disc, a lock hole is arranged at the corresponding position on the door frame, and when the wheel disc is rotated, the opening or closing of the door leaf is realized through the matching of the lock head and the lock hole.

The above prior art solutions have the following drawbacks: people's air defense door itself is comparatively heavy, when receiving external factors such as heavy, can produce deformation, and then leads to each transmission unlocking mechanism to take place to break away from the festival or produce deformation, is difficult to open fast, for the later stage rescue and save oneself for inside personnel and increased the degree of difficulty.

Disclosure of Invention

The invention aims to provide a civil air defense door with an emergency escape function, which has the effect of facilitating escape of personnel in the civil air defense door.

The technical purpose of the invention is realized by the following technical scheme: a civil air defense door with an emergency escape function comprises a door frame and a door leaf hinged on the door frame, wherein an escape opening is formed in the door leaf, a normally closed plate for closing the escape opening is installed at the escape opening, and a sealing structure is arranged between the normally closed plate and the door leaf; the inner side of the normally closed plate is provided with a driven part, and the door leaf is provided with an active part which is matched with the driven part to fix the normally closed plate on the door leaf.

Through adopting above-mentioned technical scheme, the normally closed board of people's air defense door in this application is mutually supported through initiative portion and passive portion to being fixed and closing the mouth of fleing on the door leaf, receiving when sinking the effect and taking place to warp and when unable normal opening, inside personnel can be through removing the fixed of normally closed board with initiative portion and the detached mode of passive portion, so that dismantle and flee the normally closed board.

The invention in a preferred example may be further arranged to: the driving part comprises a fixed pipe which is hollow inside and has an opening towards one end of the normally closed plate, a limiting rod which slides in the fixed pipe and has one end extending out of the fixed pipe, a telescopic spring connected between the limiting rod and the inner wall of the fixed pipe, a deflector rod which passes through the fixed pipe and is connected with the limiting rod, and a chute which is axially arranged on the fixed pipe and is used for the deflector rod to move towards the direction close to or far away from the normally closed plate, and the fixed pipe is horizontally and fixedly connected to the door leaf;

the passive part is in a block shape and is fixedly connected to the normally closed plate, and the passive part is provided with a limiting hole for the insertion of the limiting rod.

Through adopting above-mentioned technical scheme, stir the driving lever, make gag lever post and spacing hole part, then take off the board from the escape opening through the handle with normally closing.

The invention in a preferred example may be further arranged to: the shifting rod is in threaded connection with the limiting rod, and the shifting rod can penetrate through the limiting rod.

Through adopting above-mentioned technical scheme, can prevent that the gag lever post from receiving the effect of expanding spring elasticity to stretch out automatically and hindering the dismantlement of normally closing the board.

The invention in a preferred example may be further arranged to: the driving part comprises two supporting blocks which are fixedly connected to the door leaf and located on one side of the normally closed plate, a rotating shaft which is rotatably connected between the two supporting blocks, a pair of sleeves which are fixedly connected to the rotating shaft and arranged side by side, telescopic rods which are respectively inserted into the two sleeves in a sliding manner, and a linkage rod which is fixedly connected between the two telescopic rods, wherein the telescopic rods and the sleeves on the same side are sleeved with tensioning springs, the outer walls of the telescopic rods and the sleeves are respectively fixedly connected with limiting rings, and two ends of each tensioning spring are respectively fixedly connected with the two limiting rings on the same side;

the passive part is in a block shape and is fixedly connected to the normally closed plate, and one side of the passive part, which is far away from the active part, is provided with a groove for clamping the linkage rod.

By adopting the technical scheme, when escaping, the linkage rod is stretched by the personnel in the interior, so that the linkage rod and the groove are separated, and then the hands are loosened, the operation is simple, and the escaping time is saved for the personnel in the interior.

The invention in a preferred example may be further arranged to: the sealing structure comprises an air cushion sleeved on the outer contour of the normally closed plate and an air valve communicated with the air cushion.

Through adopting above-mentioned technical scheme, can improve the leakproofness between normal close board and the door leaf, avoid gas leakage.

The invention in a preferred example may be further arranged to: and a first sealing groove for placing an air cushion is formed around the normally-closed plate.

Through adopting above-mentioned technical scheme, mainly used installation air cushion carries out spacingly to it, avoids the air cushion to drop from the normal close board.

The invention in a preferred example may be further arranged to: and a second sealing groove for accommodating the inflated air cushion is formed in the inner wall of the escape opening corresponding to the first sealing groove.

Through adopting above-mentioned technical scheme, can fill to in the second seal groove after the air cushion aerifys the inflation, improve the leakproofness.

The invention in a preferred example may be further arranged to: the air valve comprises an air tap fixedly connected on the air cushion and communicated with the inside of the air cushion and a valve core arranged inside the air tap;

an internal thread is formed on the inner wall of the air tap; the valve core comprises a core column and a plunger, wherein the core column is in threaded connection with the inner wall of the air faucet, and the plunger penetrates through the core column and is in sliding connection with the core column so as to open or close the air faucet;

the core column is hollow and has openings at two ends, the opening of the core column close to one end of the air cushion is closed, the inner wall of the opening of the core column far away from one end of the air cushion is fixedly connected with a transverse rib, and the width of the transverse rib is smaller than that of the opening; the plunger is rod-shaped, the diameter of the plunger is smaller than the closing-in, the plunger penetrates through the transverse rib in a sliding mode, a plug for plugging the closing-in is fixedly connected to the outer wall of one end, close to the air cushion, of the plunger, a reset spring is sleeved outside the plunger, one end of the reset spring is fixedly connected with the plug, and the other end of the reset spring is fixedly connected with the inner wall of the core column.

By adopting the technical scheme, when the plunger is subjected to external force, the plug can move towards the inner part of the air cushion and open the closing-up, so that air inflation and deflation are realized; when the external force is removed, the plug can reset under the action of the pulling force of the reset spring, and the closing is closed.

The invention in a preferred example may be further arranged to: the outer wall of the air faucet is in threaded connection with an end cap, and one end, far away from the opening, of the end cap is fixedly connected with a push rod.

By adopting the technical scheme, the arrangement of the end cap is mainly used for protecting the plunger piston and preventing misoperation; and the setting of push rod makes things convenient for inside personnel to deflate the air cushion.

The invention in a preferred example may be further arranged to: the inner side of the normally closed plate is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, make things convenient for inside personnel to take off normally closed board.

In conclusion, the beneficial technical effects of the invention are as follows:

1. in the application, the normally closed plate of the civil air defense door is matched with the driven part through the driving part, so that the escape opening is closed by being fixed on the door leaf, and when the door leaf or the door frame is deformed under the action of sinking and cannot be normally opened, internal personnel can release the fixation of the normally closed plate in a mode of separating the driving part from the driven part so as to detach the normally closed plate and escape;

2. the deflector rod in the embodiment 1 is in threaded connection with the limiting rod, so that the limiting rod can be fixed, and the situation that the deflector rod automatically extends out under the action of the elastic force of the telescopic spring to hinder the disassembly of the normally closed plate is avoided;

3. through setting up seal structure, can improve the leakproofness between normal close board and the door leaf, avoid gas leakage.

Drawings

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

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is an exploded view of an embodiment of the hinge structure;

FIG. 4 is a schematic diagram showing the positional relationship between the first seal groove, the second seal groove and the air cushion;

FIG. 5 is a sectional view showing the internal structure of the air valve;

FIG. 6 is a schematic view showing the overall structure of embodiment 2 of the present invention;

fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.

Reference numeral, 1, a door frame; 2. a door leaf; 21. a second seal groove; 3. a hinge structure; 31. a fixing plate; 32. a shaft; 33. a cylindrical barrel; 34. an L-shaped plate; 4. a normally closed plate; 41. a handle; 42. a first seal groove; 5. a passive section; 51. a limiting hole; 52. a groove; 6. an active part; 61. a fixed tube; 611. a chute; 62. a limiting rod; 63. a tension spring; 64. a deflector rod; 65. a support block; 66. a rotating shaft; 67. a sleeve; 68. a telescopic rod; 69. a linkage rod; 70. tensioning the spring; 71. a limiting ring; 8. an air cushion; 9. an air valve; 91. an air tap; 92. a valve core; 921. a stem; 922. a plunger; 923. an O-shaped sealing ring; 924. transverse ribs; 925. a plug; 9251. a ring groove; 926. a return spring; 927. an anti-drop block; 928. an end cap; 929. a push rod; 9291. and (4) pits.

Detailed Description

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