CN215113052U

CN215113052U - Ventilation system for subway civil air defense engineering

Info

Publication number: CN215113052U
Application number: CN202121615269.2U
Authority: CN
Inventors: 李季阳; 张伟; 代松
Original assignee: Central Research Institute of Building and Construction Co Ltd MCC Group; MCC Inspection and Certification Co Ltd
Current assignee: Central Research Institute of Building and Construction Co Ltd MCC Group; MCC Inspection and Certification Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-10
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a ventilation system for subway civil air defense engineering relates to ventilation system technical field. Including basement and the air pipe of setting in basement one side, its characterized in that: the one end that air pipe is located the basement is provided with the filtration air outlet, and the filtration air outlet is including the flow equalizing plate and the filter screen frame that the air exit was seted up on the surface, and the equal fixedly connected with fixed strip in air pipe's one end both sides forms the draw-in groove between fixed strip and the air pipe, and the both sides that flow equalizing plate are rotated through the pivot and are connected with the card strip with draw-in groove phase-match connection, and the cover is equipped with the torsional spring in the pivot, the fixed surface of card strip is connected with the lacing wire. This ventilation system for subway civil air defense engineering when the filter screen in the filter screen frame needs to be changed, only need stimulate the stay, drive the card strip and break away from the draw-in groove, later stimulate the flow equalizing board and pull out the filter screen frame to conveniently change airstrainer.

Description

Ventilation system for subway civil air defense engineering

Technical Field

The utility model relates to a ventilation system technical field specifically is a subway civil air defense engineering uses ventilation system.

Background

Subway, civil air defense engineering all are located the underground usually, because of underground space is comparatively airtight, and the air is relatively poor with external circulation nature, all can be provided with ventilation system usually and keep indoor air circulation nature to satisfy corresponding personnel's breathing demand.

Because the airstrainer in ventilation system has certain life, need wash or change after long-time the use, and the airstrainer frame is fixed in air pipe, and operating personnel need get into air pipe inside when wasing and dismantling and dismantle the air filter rack, therefore the operation of changing airstrainer is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilation system for subway civil air defense engineering possesses the advantage of conveniently changing airstrainer to solve the comparatively inconvenient problem of operation of changing airstrainer.

For the purpose of realizing conveniently changing the air filter screen frame, the utility model provides a following technical scheme: the utility model provides a ventilation system for subway civil air defense engineering, includes basement and the air pipe of setting in basement one side, the one end that air pipe is located the basement is provided with the filtration air outlet, the filtration air outlet is including the flow equalizing plate and the filter screen frame that the air exit was seted up on the surface, the equal fixedly connected with fixed strip in air pipe's one end both sides, form the draw-in groove between fixed strip and the air pipe, the both sides that flow equalizing plate rotate through the pivot be connected with draw-in groove phase-match's card strip, the cover is equipped with the torsional spring in the pivot, the fixed surface of card strip is connected with the stay bar, the inner chamber of filter screen frame has set gradually high-efficient filter screen active carbon filter screen and dust screen along the direction of keeping away from flow equalizing plate.

The filter screen frame and the flow equalizing plate are integrally arranged, an air inlet is formed in one end, far away from the flow equalizing plate, of the filter screen frame, and the filter screen frame is located in the ventilation pipeline.

The ventilating duct is provided with positioning grooves at four corners of one end close to the flow equalizing plate, and positioning blocks are fixedly connected to the four corners of the flow equalizing plate.

The locating piece is characterized in that arc-shaped limiting grooves are formed in the top and the bottom of the locating piece, limiting balls are clamped in the arc-shaped limiting grooves and connected with springs, and the springs are fixedly connected with the inner wall of the locating groove.

The fan is arranged in the ventilation pipeline, the inner cavity of the ventilation pipeline is located between the fan and the filter screen frame and is provided with a fixed block, one side, close to the filter screen frame, of the fixed block is provided with a magnet, and one side, close to the fixed block, of the filter screen frame is provided with a magnetic stripe which is attracted to the magnet.

Compared with the prior art, the utility model provides a ventilation system is used to subway civil air defense engineering possesses following beneficial effect: this ventilation system for subway civil air defense engineering when the filter screen in the filter screen frame needs to be changed, only need stimulate the stay, drive the card strip and break away from the draw-in groove, later stimulate the flow equalizing board and pull out the filter screen frame to conveniently change airstrainer.

Drawings

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

fig. 2 is a schematic structural view of the ventilation duct of the present invention;

FIG. 3 is a schematic view of the structure of the filtering air outlet of the present invention

Fig. 4 is a schematic plan structure view of the ventilation duct of the present invention;

fig. 5 is an enlarged schematic view of the utility model at a;

fig. 6 is an enlarged schematic view of the position B of the present invention.

In the figure: 1. a basement; 2. a ventilation duct; 3. filtering the air outlet; 4. a flow equalizing plate; 5. a filter screen frame; 6. a fixing strip; 7. clamping the strip; 8. a torsion spring; 9. pulling the block; 10. positioning a groove; 11. positioning blocks; 12. a limiting groove; 13. a limiting ball; 14. a spring; 15. a fan; 16. a fixed block; 17. a high-efficiency filter screen; 18. an active carbon filter screen; 19. and (4) a dust filter screen.

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.

Please refer to fig. 1-5, the utility model discloses a ventilation system for subway civil air defense engineering, include basement 1 and the air pipe 2 of setting in basement 1 one side, the one end that air pipe 2 is located basement 1 is provided with the filtration and crosses wind gap 3, it includes that the equal flow board 4 and the filter screen frame 5 of air exit are seted up on the surface to filter wind gap 3, the equal fixedly connected with fixed strip 6 in one end both sides of air pipe 2, form the draw-in groove between fixed strip 6 and the air pipe 2, the both sides that the board 4 was all flowed are rotated through the pivot and are connected with the card strip 7 with draw-in groove phase-match connection, and the cover is equipped with torsional spring 8 in the pivot, the fixed surface of card strip 7 is connected with the pull block 9.

Specifically, the filter screen frame 5 and the flow equalizing plate 4 are integrally arranged, and the air inlet is formed in the end, far away from the flow equalizing plate 4, of the filter screen frame 5, the filter screen frame 5 is located in the ventilation pipeline 2, when the filter screen frame 5 is located in the ventilation pipeline 2, the inner walls of the filter screen frame 5 and the ventilation pipeline 2 are attached, the flow equalizing plate 4 and the filter screen frame 5 are integrally arranged, and the flow equalizing plate 4 is conveniently pulled to pull out the filter screen frame 5.

Specifically, ventilation pipe 2 presses close to the one end four corners position of flow equalizing plate 4 and has all seted up constant head tank 10, the four corners position fixedly connected with locating piece 11 of flow equalizing plate 4, arc spacing groove 12 has all been seted up to the top and the bottom of locating piece 11, the joint has spacing ball 13 in arc spacing groove 12, spacing ball 13 coupling spring 14, the inner wall of spring 14 fixed connection constant head tank 10, when connecting filtration air outlet 3 and ventilation pipe 2, when locating piece 11 pegs graft to spacing groove 12, locating piece 11 can support and press spacing ball 13, and when spacing groove 12 and spacing ball 13 were in same perpendicular line, spacing ball 13 can joint spacing groove 12 under spring 14's drive.

Specifically, be provided with fan 15 in air pipe 2, air pipe 2's inner chamber is located and is provided with fixed block 16 between fan 15 and filter screen frame 5, one side that filter screen frame 5 was pressed close to fixed block 16 is provided with magnet, one side that filter screen frame 5 was pressed close to fixed block 16 is provided with the magnetic stripe that inhales mutually with magnet, when connecting filtration wind gap 3 and air pipe 2, promotes flow equalizing plate 4, makes filter screen frame 5 remove to air pipe 2 is interior, when the joint of card strip 7 is in the draw-in groove, filter screen frame 5 is in the state of pressing fixed block 16, carries out magnetism through magnet and magnetic stripe between fixed block 15 and the filter screen frame 5 and connects, can strengthen filter screen frame 5 stability in air pipe 2 then.

Specifically, the inner cavity of the filter screen frame 5 is sequentially provided with a high-efficiency filter screen 17, an active carbon filter screen 18 and a dust filter screen 19 along the direction far away from the flow equalizing plate 4, and the high-efficiency filter screen 17, the active carbon filter screen 18 and the dust filter screen 19 can purify air delivered to the basement 1.

The utility model discloses a theory of operation and use flow: when using, pulling card strip 7 breaks away from the draw-in groove, then outwards pulls the flow equalizing plate 4 hard, can remove the magnetism between magnetic stripe and magnet and connect, also can drive spacing groove 12 simultaneously and extrude spacing ball 13 for spacing ball 13 breaks away from spacing groove 12 under the drive of spring 14, in order to remove the spacing to locating piece 11, then can take filter screen frame 5 out from ventilation pipe 2.

To sum up, this ventilation system for subway civil air defense engineering only need stimulate the pull block 9 when the filter screen in the filter screen frame 5 needs to be changed, drive card strip 7 and break away from the draw-in groove, later stimulate flow equalizing plate 4 and pull out filter screen frame 5 to conveniently change airstrainer.

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

Claims

1. The utility model provides a ventilation system for subway civil air defense engineering, includes basement (1) and sets up air pipe (2) in basement (1) one side, its characterized in that: air pipe (2) are located the one end of basement (1) and are provided with filtering air outlet (3), filtering air outlet (3) are including the equal flow board (4) and the filter screen frame (5) that the air exit was seted up on the surface, the equal fixedly connected with fixed strip (6) in one end both sides of air pipe (2), form the draw-in groove between fixed strip (6) and air pipe (2), the both sides that the board (4) were all flowed rotate through the pivot be connected with draw-in groove assorted joint's card strip (7), the cover is equipped with torsional spring (8) in the pivot, the fixed surface of card strip (7) is connected with pull block (9), the inner chamber of filter screen frame (5) has set gradually high-efficient filter screen (17), active carbon filter screen (18) and dust screen (19) along the direction of keeping away from the board (4) that all flowed.

2. The ventilation system for subway civil air defense engineering as claimed in claim 1, wherein: the filter screen frame (5) and the flow equalizing plate (4) are integrally arranged, an air inlet is formed in one end, far away from the flow equalizing plate (4), of the filter screen frame (5), and the filter screen frame (5) is located in the ventilation pipeline (2).

3. The ventilation system for subway civil air defense engineering as claimed in claim 1, wherein: the ventilating duct (2) is pressed close to one end four corners position of the flow equalizing plate (4) and is provided with positioning grooves (10), and the four corners position of the flow equalizing plate (4) is fixedly connected with positioning blocks (11).

4. The ventilation system for subway civil air defense engineering as claimed in claim 3, wherein: arc spacing groove (12) have all been seted up to the top and the bottom of locating piece (11), the joint has spacing ball (13) in arc spacing groove (12), spacing ball (13) coupling spring (14), the inner wall of spring (14) fixed connection constant head tank (10).

5. The ventilation system for subway civil air defense engineering as claimed in claim 1, wherein: be provided with fan (15) in air pipe (2), the inner chamber of air pipe (2) is located and is provided with fixed block (16) between fan (15) and filter screen frame (5), one side that filter screen frame (5) are pressed close to in fixed block (16) is provided with magnet, one side that filter screen frame (5) are pressed close to fixed block (16) is provided with the magnetic stripe that inhales mutually with magnet.