CN216877627U

CN216877627U - Fume extractor for civil air defense engineering

Info

Publication number: CN216877627U
Application number: CN202122535456.6U
Authority: CN
Inventors: 朱堆山
Original assignee: Guangxi Agricultural Machinery Research Institute Co ltd
Current assignee: Guangxi Agricultural Machinery Research Institute Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-07-05
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a smoke exhaust device for civil air defense engineering, which relates to the technical field of smoke exhaust devices and comprises the following components: an arc tube; the filter plate is arranged on a middle pipe at one end of the arc-shaped pipe, and the middle pipe is arranged at the other end of the arc-shaped pipe; the disassembly mechanism comprises a fixed rod, a first fixing ring, a second fixing ring and a first bolt. According to the filter plate dismounting device, the dismounting mechanism is arranged, when the filter plate needs to be dismounted, the two groups of fixing rods are pulled to move back to back, so that the fixing rods move from the fixing holes in the inner walls of the two groups of connecting blocks, the first annular block and the second annular block are not reset under the action of external extrusion force any more, the second fixing ring is not fixed with the first fixing ring any more, the filter plate is dismounted by a worker conveniently, then the first bolt is screwed, the filter plate is not fixed with the first fixing ring any more, the function of fast dismounting of the filter plate is realized through the matching of the plurality of parts, and the operation of the worker is facilitated.

Description

Fume extractor for civil air defense engineering

Technical Field

The utility model relates to the technical field of smoke exhaust devices, in particular to a smoke exhaust device for civil air defense engineering.

Background

Civil air defense engineering is the underground protection building of establishing alone for guarantee war hour personnel and material shelter, air defense commander and medical rescue, and the air circulation nature in the civil air defense engineering is poor, if the conflagration breaks out in it, leads to its in short time cohesion a large amount of poisonous flue gases easily, contains a large amount of dusts and toxic gas in the poisonous flue gas, personnel in the civil air defense engineering inhale poisonous flue gas and can cause great threat to its life safety, so need use special fume extractor to carry out smoke extraction to the civil air defense engineering inside and handle.

According to the patent number 'CN 209324688U' disclosed by a Chinese patent net, the smoke exhaust device for civil air defense engineering is 'a smoke exhaust device' of which the middle pipe is connected between a first arc-shaped pipe and a second arc-shaped pipe, fans are respectively arranged in the first arc-shaped pipe and the second arc-shaped pipe, a net rack is arranged in the first arc-shaped pipe, a filter screen is paved on the net rack, two baffles are arranged in the second arc-shaped pipe, a filling pipe is connected between the two baffles, activated carbon particles are filled in the filling pipe, an installation pipe positioned at a pipe hole is connected between an upper installation plate and a lower installation plate, air holes are respectively arranged on the side wall of the installation pipe, filter bags are respectively arranged on the inner side wall of the installation pipe, a movable ash collecting bin is arranged on the bottom surface of the lower installation plate, an opening is arranged on the side wall of the middle pipe, a sealing plate is arranged at the opening, and a connecting rod is connected between the sealing plate and the movable ash collecting bin; the utility model solves the problem that the existing smoke exhaust device is lack of purification of dust and toxic gas in the smoke exhaust process.

Set up the filter screen in first arc intraduct in above-mentioned patent, lead to first fume exhaust device when not using easily, pile up a large amount of dusts on the filter screen easily, however the filter screen sets up the inside at first arc intraduct again, thereby influence maintenance personal and change the filter screen, and in above-mentioned patent than not solving how to install arc pipe and intermediate tube fast, make the staff to the intraduct part of intermediate tube inspect the maintenance completion after, can not install intermediate tube and arc pipe fast.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the filter screen cannot be conveniently and quickly replaced and the problem that the middle pipe and the arc pipe cannot be quickly installed, the smoke exhaust device for the civil air defense engineering is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a smoke evacuation apparatus for civil air defense engineering comprising:

an arc tube;

a filter plate mounted at one end of the arc tube

The middle pipe is arranged at the other end of the arc-shaped pipe;

the disassembly mechanism comprises a fixed rod, a first fixing ring, a second fixing ring, a first bolt, a first annular block, a connecting block and a second annular block, wherein the first fixing ring is fixedly connected to the top end of the filter plate, the first annular block is connected to the inner wall of the first fixing ring in a sliding mode, the second fixing ring is installed at one end of the first fixing ring, the second annular block is connected to the inner wall of the second fixing ring in a sliding mode, the connecting block is fixedly connected to one end of the second annular block, the fixed rod is connected to the inner wall of the second fixing ring in a sliding mode, and the first bolt is connected to the inner wall of the filter plate in a rotating mode;

and the fixing mechanism is positioned on the outer wall of the fixing rod, so that the fixing rod is quickly and fixedly connected with the arc-shaped pipe.

As a still further scheme of the utility model: the fixing mechanism comprises a second bolt, a fixing block, a third fixing ring, a first trapezoid block, a second trapezoid block, a connecting ring, an air bag and a sealing piston block, the fixing block is fixedly connected to the outer wall of the middle pipe, the third fixing ring is installed on the top end of the fixing block, the first trapezoid block is slidably connected to the outer wall of the third fixing ring, the sealing piston block is slidably connected to the inner wall of the third fixing ring, the second trapezoid block is fixedly connected to the top end of the sealing piston block, the connecting ring is fixedly connected to the top end of the second trapezoid block, the second bolt is rotatably connected to the inner wall of the third fixing ring, and the air bag is fixedly connected to the inside of the third fixing ring.

As a still further scheme of the utility model: the dead lever is provided with two sets, another group the dead lever sets up the outer wall at first solid fixed ring.

As a still further scheme of the utility model: the inner wall of the first annular block is provided with a mounting groove matched with the connecting block, the inner wall of the connecting block is provided with a fixing hole matched with the fixing rod of another group, and the inner wall of the first annular block is provided with a through hole matched with the fixing rod of another group.

As a still further scheme of the utility model: the inner wall of the first fixing ring is provided with a sliding groove matched with the first annular block, the top end of the first annular block is fixedly connected with a limiting block, and the inner wall of the first fixing ring is provided with a limiting groove matched with the top end limiting block of the first annular block.

As a still further scheme of the utility model: the inner wall of the third fixing ring is provided with a sealed cabin matched with the sealing piston block, the inner wall of the third fixing ring is provided with an air guide hole communicated with the air bag, and one end of the air guide hole in the inner wall of the third fixing ring is communicated with the sealed cabin.

As a still further scheme of the utility model: the inner wall of the third fixing ring is provided with a mounting groove matched with the second trapezoidal block, and the inner wall of the second trapezoidal block is provided with a fixing hole matched with the first trapezoidal block.

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

1. through the arrangement of the dismounting mechanism, when the filter plate needs to be dismounted, the two groups of fixing rods are pulled to move back and forth, so that the fixing rods move from the fixing holes in the inner walls of the two groups of connecting blocks, the first annular block and the second annular block are not reset by external extrusion force any more, and the second fixing ring is not fixed with the first fixing ring any more, so that a worker can dismount the filter plate conveniently;

2. by arranging the fixing mechanism, the third fixing ring is firstly installed on the fixing block, then the second bolt is twisted to fix the third fixing ring and the fixing block, then the intermediate pipe and the other end of the arc pipe are installed, then the connecting ring is pushed to move in opposite directions, so that the second trapezoidal block is driven to be inserted into the inner wall of the third fixing ring to be contacted with the first trapezoidal block, the first trapezoidal block is pushed to move towards one end, when the fixing hole formed in the inner wall of the second trapezoidal block moves to one end of the first trapezoidal block, the first trapezoidal block is inserted into the fixing hole in the inner wall of the second trapezoidal block to fix the second trapezoidal block, the sealing piston block is pushed to move downwards while the second trapezoidal block moves in opposite directions, the gas in the sealing bin is conveyed into the air bag through the air guide hole, the air bag is expanded to clamp the intermediate pipe and the arc pipe, and the function of quickly fixing the intermediate pipe and the arc pipe is realized through the plurality of parts, the operation of staff is facilitated.

Drawings

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

FIG. 2 is a cross-sectional view of a third retaining ring of the present invention;

FIG. 3 is a cross-sectional view of a first retaining ring and a second retaining ring of the present invention;

FIG. 4 is a side cross-sectional view of a first retaining ring and a second retaining ring of the present invention.

In the figure: 1. an arc tube; 2. fixing the rod; 3. a first retaining ring; 4. a filter plate; 5. a second fixing ring; 6. a first bolt; 7. an intermediate pipe; 8. a second bolt; 9. a fixed block; 10. a third fixing ring; 11. a first trapezoidal block; 12. a second trapezoidal block; 13. a connecting ring; 14. an air bag; 15. a first ring block; 16. connecting blocks; 17. a second ring block; 18. the piston block is sealed.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a smoke exhausting device for civil air defense engineering includes:

an arc-shaped tube 1;

a filter plate 4, the filter plate 4 is arranged at one end of the arc-shaped tube 1

The middle pipe 7, the middle pipe 7 is installed at another end of the arc pipe 1;

the disassembly mechanism comprises a fixed rod 2, a first fixing ring 3, a second fixing ring 5, a first bolt 6, a first annular block 15, a connecting block 16 and a second annular block 17, wherein the first fixing ring 3 is fixedly connected to the top end of the filter plate 4, the first annular block 15 is slidably connected to the inner wall of the first fixing ring 3, the second fixing ring 5 is installed at one end of the first fixing ring 3, the second annular block 17 is slidably connected to the inner wall of the second fixing ring 5, the connecting block 16 is fixedly connected to one end of the second annular block 17, the fixed rod 2 is slidably connected to the inner wall of the second fixing ring 5, and the first bolt 6 is rotatably connected to the inner wall of the filter plate 4;

and the fixing mechanism is positioned on the outer wall of the fixing rod 2, so that the fixing rod 2 is quickly and fixedly connected with the arc-shaped pipe 1.

Referring to fig. 2, the fixing mechanism includes a second bolt 8, a fixing block 9, a third fixing ring 10, a first trapezoid block 11, second trapezoidal piece 12, go-between 13, gasbag 14 and sealed piston piece 18, fixed block 9 fixed connection is at the outer wall of intermediate pipe 7, the top at fixed block 9 is installed to the solid fixed ring 10 of third, 11 sliding connection of first trapezoidal piece is at the outer wall of the solid fixed ring 10 of third, 18 sliding connection of sealed piston piece is at the inner wall of the solid fixed ring 10 of third, 12 fixed connection of second trapezoidal piece is on the top of sealed piston piece 18, go-between 13 fixed connection is on the top of second trapezoidal piece 12, second bolt 8 rotates the inner wall of connecting at the solid fixed ring 10 of third, 14 fixed connection of gasbag is in the inside of the solid fixed ring 10 of third, be convenient for realize the function of intermediate pipe 7 with the quick installation of arc pipe 1 through the cooperation of above multiunit part, make things convenient for the staff to operate.

Please refer to fig. 3, two sets of fixing rods 2 are provided, and the other set of fixing rods 2 is provided on the outer wall of the first fixing ring 3, so as to fix the first ring block 15 and the second ring block 17 by the two sets of fixing rods.

Please refer to fig. 3, the inner wall of the first ring block 15 is provided with a mounting groove matched with the connecting block 16, the inner wall of the connecting block 16 is provided with a fixing hole matched with the other group of fixing rods 2, and the inner wall of the first ring block 15 is provided with a through hole matched with the other group of fixing rods 2, so that the two groups of connecting blocks 16 can be conveniently inserted into the fixing holes in the two groups of connecting blocks 16 through the two groups of fixing rods 2 to fix the two groups of connecting blocks 16.

Please refer to fig. 3, the inner wall of the first fixing ring 3 is provided with a sliding groove matched with the first ring block 15, the top end of the first ring block 15 is fixedly connected with a limiting block, the inner wall of the first fixing ring 3 is provided with a limiting groove matched with the limiting block at the top end of the first ring block 15, so that the first ring block 15 can slide on the inner wall of the first fixing ring 3.

Please refer to fig. 2, the inner wall of the third fixing ring 10 is provided with a sealing chamber matching with the sealing piston block 18, the inner wall of the third fixing ring 10 is provided with an air guiding hole communicated with the air bag 14, and one end of the air guiding hole on the inner wall of the third fixing ring 10 is communicated with the sealing chamber, so that the air in the sealing chamber can enter the air bag 14 through the air guiding hole.

Please refer to fig. 2 again, the inner wall of the third fixing ring 10 is provided with a mounting groove matched with the second trapezoid block 12, and the inner wall of the second trapezoid block 12 is provided with a fixing hole matched with the first trapezoid block 11, so that the first trapezoid block 11 can be conveniently inserted into the fixing hole on the inner wall of the second trapezoid block 12 to fix the second trapezoid block 12.

The working principle of the utility model is as follows: firstly, when the filter plate 4 needs to be disassembled, pulling the two groups of fixed rods 2 to move back and forth, enabling the fixed rods 2 to move from the fixed holes on the inner walls of the two groups of connecting blocks 16, enabling the first annular block 15 and the second annular block 17 not to be reset by external extrusion force, enabling the second fixing ring 5 not to be fixed with the first fixing ring 3, so as to facilitate the worker to disassemble the filter plate 4, then screwing the first bolt 6, enabling the filter plate 4 not to be fixed with the first fixing ring 3, realizing the function of quickly disassembling the filter plate 4 through the matching of the above multiple groups of parts, when the middle pipe 7 needs to be fixed with the arc-shaped pipe 1, firstly installing the third fixing ring 10 on the fixed block 9, then screwing the second bolt 8 to fix the third fixing ring 10 with the fixed block 9, enabling one end of the air bag 14 to be positioned on the outer wall of the middle pipe 7, then installing the middle pipe 7 with the other end of the arc-shaped pipe 1, make the gasbag 14 other end be located the outer wall of arc pipe 1, promote go-between 13 and remove in opposite directions afterwards, thereby drive second trapezoidal piece 12 insert the inner wall of the solid fixed ring 10 of third and contact with first trapezoidal piece 11, promote first trapezoidal piece 11 and remove to one end, the fixed orifices that sets up when second trapezoidal piece 12 inner wall moves the one end that is located first trapezoidal piece 11, make first trapezoidal piece 11 no longer receive external extrusion force to reset and insert in second trapezoidal piece 12 inner wall fixed orifices, fix second trapezoidal piece 12, second trapezoidal piece 12 promotes sealed piston piece 18 and removes downwards when removing in opposite directions, carry gasbag 14 insidely through the wind-guiding hole with sealed storehouse inside gas, make gasbag 14 inflation press from both sides tight middle tube 7 and arc pipe 1, thereby realize middle tube 7 and the quick fixed function of arc pipe 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A fume extractor for civil air defense engineering comprising:

an arc tube (1);

a filter plate (4), wherein the filter plate (4) is arranged at one end of the arc-shaped pipe (1)

The middle pipe (7), the middle pipe (7) is installed at the other end of the arc-shaped pipe (1);

the disassembly mechanism comprises a fixing rod (2), a first fixing ring (3), a second fixing ring (5), a first bolt (6), a first annular block (15), a connecting block (16) and a second annular block (17), wherein the first fixing ring (3) is fixedly connected to the top end of the filter plate (4), the first annular block (15) is slidably connected to the inner wall of the first fixing ring (3), the second fixing ring (5) is installed at one end of the first fixing ring (3), the second annular block (17) is slidably connected to the inner wall of the second fixing ring (5), the connecting block (16) is fixedly connected to one end of the second annular block (17), the fixing rod (2) is slidably connected to the inner wall of the second fixing ring (5), and the first bolt (6) is rotatably connected to the inner wall of the filter plate (4);

and the fixing mechanism is positioned on the outer wall of the fixing rod (2) so that the fixing rod (2) is quickly and fixedly connected with the arc-shaped pipe (1).

2. The smoke evacuation device for civil air defense engineering according to claim 1, wherein the fixing mechanism comprises a second bolt (8), a fixing block (9), a third fixing ring (10), a first trapezoidal block (11), a second trapezoidal block (12), a connecting ring (13), an air bag (14) and a sealing piston block (18), the fixing block (9) is fixedly connected with the outer wall of the intermediate pipe (7), the third fixing ring (10) is installed at the top end of the fixing block (9), the first trapezoidal block (11) is slidably connected with the outer wall of the third fixing ring (10), the sealing piston block (18) is slidably connected with the inner wall of the third fixing ring (10), the second trapezoidal block (12) is fixedly connected with the top end of the sealing piston block (18), the connecting ring (13) is fixedly connected with the top end of the second trapezoidal block (12), the second bolt (8) is rotatably connected with the inner wall of the third fixing ring (10), the air bag (14) is fixedly connected inside the third fixing ring (10).

3. A smoke evacuation device for civil air defence according to claim 1, characterised in that the fixing rods (2) are provided in two groups, the other group of fixing rods (2) being provided on the outer wall of the first fixing ring (3).

4. The smoke exhaust device for the civil air defense engineering as claimed in claim 2, wherein the inner wall of the first annular block (15) is provided with an installation groove matched with the connecting block (16), the inner wall of the connecting block (16) is provided with a fixing hole matched with the other group of the fixing rods (2), and the inner wall of the first annular block (15) is provided with a through hole matched with the other group of the fixing rods (2).

5. The smoke exhaust device for the civil air defense engineering according to claim 1, characterized in that the inner wall of the first fixing ring (3) is provided with a sliding groove matched with the first annular block (15), the top end of the first annular block (15) is fixedly connected with a limiting block, and the inner wall of the first fixing ring (3) is provided with a limiting groove matched with the top end limiting block of the first annular block (15).

6. The smoke exhaust device for the civil air defense engineering according to claim 2, characterized in that the inner wall of the third fixing ring (10) is provided with a sealed cabin matched with the sealing piston block (18), the inner wall of the third fixing ring (10) is provided with an air guide hole communicated with the air bag (14), and one end of the air guide hole in the inner wall of the third fixing ring (10) is communicated with the sealed cabin.

7. The smoke exhaust device for the civil air defense engineering according to claim 2, characterized in that the inner wall of the third fixing ring (10) is provided with a mounting groove matched with the second trapezoidal block (12), and the inner wall of the second trapezoidal block (12) is provided with a fixing hole matched with the first trapezoidal block (11).