CN211949404U - Building civil air defense basement air exit structure - Google Patents
Building civil air defense basement air exit structure Download PDFInfo
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- CN211949404U CN211949404U CN202020084211.9U CN202020084211U CN211949404U CN 211949404 U CN211949404 U CN 211949404U CN 202020084211 U CN202020084211 U CN 202020084211U CN 211949404 U CN211949404 U CN 211949404U
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Abstract
The utility model relates to the field of architectural design, in particular to a building civil air defense basement air outlet structure, which comprises a sealing wall, a pre-buried short pipe passing through the sealing wall, a sealing rib arranged inside the sealing wall and vertically welded on the outer surface of the pre-buried short pipe, a reducer welded on one end of the length direction of the pre-buried short pipe, an exhaust valve screwed on the reducer and deviating from one side of the pre-buried short pipe, a valve cover connected with the end part of the exhaust valve, and a valve arranged on the valve cover; the exhaust valve is close to reducing pipe one side tip and is equipped with the flange, has seted up a plurality of screw hole on the flange, and bolt and nut pass the screw hole and realize the spiro union of valve body and reducing pipe. The utility model discloses the leakproofness is good, stable in structure and simple, mechanical strength is high, low in production cost, convenient to use, the efficiency of airing exhaust is high.
Description
Technical Field
The utility model relates to a building design field especially relates to a building people's air defense basement air exit structure.
Background
The civil air defense basement is an important component of civil air defense engineering, comprises an outer wall, a buffer wall, an explosion door and the like, and can be used as a spare room such as an underground parking garage and the like in normal times, so that the increasingly prominent problem of difficult parking is solved; and the device is used for temporary shelters for civil air defense, air defense command centers, communication centers, closed places and the like in wartime.
An explosion-proof overpressure exhaust valve is commonly used in a civil air defense basement and is mainly used for an exhaust outlet of civil air defense engineering, the exhaust outlet is normally closed, 30-50pa overpressure is kept in the civil air defense engineering when the air needs to be filtered and ventilated, a valve cover of the explosion-proof overpressure exhaust valve is automatically opened under the action of overpressure so as to exhaust toxic gas in an anti-toxic channel, and meanwhile, the toxic gas in the atmosphere cannot enter the civil air defense engineering due to overpressure.
The existing air outlet structure has the following defects: on one hand, the connection sealing performance of the valve body, the valve and the wall is poor, and the potential safety hazard is large. In the second aspect, when toxic gas impacts the valve body, the valve body is easy to corrode in a sour and humid environment, so that normal use of the valve body is affected, and therefore great potential safety hazards exist. And in the third aspect, the structure is complex and the production cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a building civil air defense basement air exit structure that the leakproofness is good, stable in structure and simple, mechanical strength is high, low in production cost, convenient to use, it is efficient to air exhaust.
The utility model adopts the technical proposal that: an air outlet structure of a civil air defense basement of a building comprises a sealing wall, an embedded short pipe penetrating through the sealing wall, a sealing rib arranged inside the sealing wall and vertically welded on the outer surface of the embedded short pipe, a reducer pipe welded at one end of the embedded short pipe in the length direction, an exhaust valve screwed on one side of the reducer pipe, which is far away from the embedded short pipe, a valve cover connected to the end part of the exhaust valve and a valve arranged on the valve cover; a flange is arranged at the end part of one side, close to the reducer pipe, of the exhaust valve, a plurality of threaded holes are formed in the flange, and bolts and nuts penetrate through the threaded holes to realize the threaded connection of the valve body and the reducer pipe; a rubber plate gasket is arranged in the exhaust valve; the diameter of the valve cover of the exhaust valve is consistent with that of the embedded short pipe, the diameter of the reducing pipe is reduced from one side of the exhaust valve to one side of the embedded short pipe, the diameter of the valve body is reduced from one side of the reducing pipe to one side of the valve cover, and the length of the reducing pipe is consistent with that of the embedded short pipe leaking out of the inner side of the sealing wall.
The further improvement of the technical scheme is that 12 threaded holes are formed in the flange, the 12 threaded holes are uniformly distributed in the flange, the included angle between every two adjacent threaded holes is 30 degrees, and the bolts are in seamless connection with the threaded holes.
The technical scheme is further improved in that the reducer pipe, the embedded short pipe and the closed rib respectively comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, and the thickness of the steel plate layer is 3 mm.
The technical scheme is further improved in that the width of the closed ribs is one fifth of the diameter of the embedded short pipe.
The technical scheme is further improved in that the embedded short pipe and the closed rib, and the embedded short pipe and the reducer pipe are all welded in a full-length welding mode.
The utility model has the advantages that:
1. on the one hand, through welding pre-buried nozzle stub and airtight rib, with pre-buried nozzle stub and reducing pipe welding, with reducing pipe and discharge valve spiro union for each part is connected stably, and the leakproofness is good, prevents that gas under the normal condition from leaking outward and causing the risk, and the potential safety hazard is little. In the second aspect, be equipped with the rubber plate packing ring in the discharge valve, prevent that gas from revealing through discharge valve and reducer union's junction, further improved the utility model discloses a sealed effect. The third aspect, through setting up the reducing pipe, the diameter of the valve gap of discharge valve is unanimous with the diameter of pre-buried nozzle stub, and the diameter of reducing pipe reduces from a discharge valve side direction pre-buried nozzle stub one side, and the diameter of valve body reduces from reducing pipe one side to valve gap one side, and for the air exit structure of diameter unanimity, exhaust efficiency is higher, and the junction is more inseparable, and is sealed effectual. And in the fourth aspect, if the length of the reducing pipe is too long, the gas discharge passage is long, the exhaust efficiency is low, if the length of the reducing pipe is too short, the gas guiding effect during exhaust is poor, and the exhaust efficiency is low. In the fifth aspect, the air outlet structure of the utility model has the advantages of simple integral structure, convenient use and low manufacturing cost.
2. 12 screw holes are formed in the flange, 12 screw holes are uniformly distributed in the flange, the included angle between every two adjacent screw holes is 30 degrees, bolts are seamlessly connected with the screw holes, the center connecting line of the 12 screw holes is divided into four groups, each group is 2 mutually perpendicular threads, the valve body and the reducer pipe are connected more stably, the air leakage prevention effect is better, and the potential safety hazard of air leakage is further reduced.
3. Reducing pipe, pre-buried nozzle stub and airtight rib all include the steel deck and coat in the red lead anti-rust paint layer of steel deck internal surface and surface, and the thickness of steel deck is 3mm, reducing pipe, the main part of pre-buried nozzle stub and airtight rib is the steel deck, mechanical properties is good, shock resistance is strong, the red lead anti-rust paint layer of internal surface and surface, can effectively prevent reducing pipe, acid and wet corrosion in pre-buried nozzle stub and the airtight rib by the poison gas and rust, long service life, it is effectual to prevent leaking, the potential safety hazard is little.
4. The width of airtight rib is one fifth of pre-buried nozzle stub diameter, and airtight rib is fixed effectual to pre-buried nozzle stub, has increased the utility model discloses the stability of structure effectively prevents structural damage and the gas leakage that causes, and the potential safety hazard is little.
5. The embedded short pipe and the closed rib, the embedded short pipe and the reducer pipe are all welded in a full-welding mode, a full-welding structure is adopted, no gap is formed between the embedded short pipe and the closed rib, and between the embedded short pipe and the reducer pipe, air leakage is prevented, and potential safety hazards are small.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view taken along line I-I in fig. 1.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, the structure schematic diagram and the I-I sectional view of the present invention are shown.
An air outlet structure 100 of a civil air defense basement of a building comprises a sealing wall 110, an embedded short pipe 120 penetrating through the sealing wall 110, a sealing rib 130 arranged inside the sealing wall 110 and vertically welded on the outer surface of the embedded short pipe 120, a reducer pipe 140 welded on one end of the embedded short pipe 120 in the length direction, an exhaust valve 150 screwed on one side of the reducer pipe 140 departing from the embedded short pipe 120, a valve cover 160 connected to the end part of the exhaust valve 150, and a valve 170 arranged on the valve cover 160; a flange 151 is arranged at the end part of the exhaust valve 150 close to one side of the reducer pipe 140, a plurality of threaded holes 152 are formed in the flange 151, and bolts 153 and nuts 154 penetrate through the threaded holes 152 to realize the threaded connection between the exhaust valve 150 and the reducer pipe 140; a rubber plate gasket 155 is arranged in the exhaust valve 150; the diameter of the valve cover 160 of the exhaust valve 150 is the same as that of the embedded short pipe 120, the diameter of the reducer pipe 140 decreases from the exhaust valve 150 side to the embedded short pipe 120 side, the diameter of the exhaust valve 150 decreases from the reducer pipe 140 side to the valve cover 160 side, and the length of the reducer pipe 140 is the same as that of the embedded short pipe 120 leaking out of the inner side of the sealing wall 110.
On the one hand, through welding pre-buried nozzle stub 120 and airtight rib 130, weld pre-buried nozzle stub 120 and reducing pipe 140, with reducing pipe 140 and discharge valve 150 spiro union for each part is connected stably, and the leakproofness is good, prevents that gas under the normal conditions from leaking outward and causing the risk, and the potential safety hazard is little. Second aspect is equipped with the rubber plate packing ring 155 in discharge valve 150, prevents that gas from revealing through discharge valve 150 and reducer pipe 140's junction, has further improved the utility model discloses a sealed effect. In the third aspect, by arranging the reducer pipe 140, the diameter of the valve cover 160 of the exhaust valve 150 is consistent with that of the embedded short pipe 120, the diameter of the reducer pipe 140 is reduced from one side of the exhaust valve 150 to one side of the embedded short pipe 120, and the diameter of the exhaust valve 150 is reduced from one side of the reducer pipe 140 to one side of the valve cover 160. In the fourth aspect, if the length of the reducer pipe 140 is too long, the gas discharge passage is long, and the exhaust efficiency is low, and if the length of the reducer pipe 140 is too short, the gas guiding effect during exhaust is poor, and the exhaust efficiency is low, and experiments prove that when the length of the reducer pipe 140 is consistent with the length of the embedded short pipe 120 leaking out of the inner side of the enclosure wall 110, the exhaust efficiency is highest. In the fifth aspect, the air outlet structure of the utility model has the advantages of simple integral structure, convenient use and low manufacturing cost.
12 screw holes 152 have been seted up on the flange 151, and 12 screw hole 152 evenly distributed are on the flange 151, and the contained angle between the adjacent screw hole 152 is 30, bolt 153 and screw hole 152 seamless connection, and 12 screw hole 152's central line divide into four groups, and every group is 2 of mutually perpendicular for discharge valve 150 and reducer 140 are connected more stably, and leak protection gas effect is better, has further reduced the potential safety hazard of gas leakage.
Reducer 140, pre-buried nozzle stub 120 and airtight rib 130 all include the steel deck and coat in the red lead anti-corrosive paint layer of steel deck internal surface and surface, and the thickness of steel deck is 3mm, reducer 140, the main part of pre-buried nozzle stub 120 and airtight rib 130 is the steel deck, mechanical properties is good, shock resistance is strong, the red lead anti-corrosive paint layer of internal surface and surface, can effectively prevent reducer 140, pre-buried nozzle stub 120 and airtight rib 130 are rusted by acid and wet corrosion in the poison gas, long service life, it is effectual to prevent leaking, the potential safety hazard is little.
The width of airtight rib 130 is one fifth of pre-buried nozzle stub 120 diameter, and airtight rib 130 is effectual to pre-buried nozzle stub 120's fixed, has increased the utility model discloses the stability of structure effectively prevents the gas leakage that structural damage and caused, and the potential safety hazard is little.
The embedded short pipes 120 and the closed ribs 130, the embedded short pipes 120 and the reducer pipes 140 are all welded in a full-welding mode, a full-welding structure is adopted, no gap is generated between the embedded short pipes 120 and the closed ribs 130, and between the embedded short pipes 120 and the reducer pipes 140, air leakage is prevented, and potential safety hazards are small.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a building people's air defense basement air exit structure which characterized in that: the variable-diameter pipe joint comprises a sealing wall, an embedded short pipe penetrating through the sealing wall, a sealing rib arranged in the sealing wall and vertically welded on the outer surface of the embedded short pipe, a variable-diameter pipe welded at one end of the embedded short pipe in the length direction, an exhaust valve screwed on one side of the variable-diameter pipe, which is far away from the embedded short pipe, a valve cover connected to the end part of the exhaust valve, and a valve arranged on the valve cover; a flange is arranged at the end part of one side, close to the reducer pipe, of the exhaust valve, a plurality of threaded holes are formed in the flange, and bolts and nuts penetrate through the threaded holes to realize the threaded connection of the valve body and the reducer pipe; a rubber plate gasket is arranged in the exhaust valve; the diameter of the valve cover of the exhaust valve is consistent with that of the embedded short pipe, the diameter of the reducing pipe is reduced from one side of the exhaust valve to one side of the embedded short pipe, the diameter of the valve body is reduced from one side of the reducing pipe to one side of the valve cover, and the length of the reducing pipe is consistent with that of the embedded short pipe leaking out of the inner side of the sealing wall.
2. The air outlet structure of the civil air defense basement of the building as claimed in claim 1, wherein: 12 threaded holes are formed in the flange, the 12 threaded holes are evenly distributed in the flange, the included angle between every two adjacent threaded holes is 30 degrees, and the bolts are connected with the threaded holes in a seamless mode.
3. The air outlet structure of the civil air defense basement of the building as claimed in claim 2, wherein: the reducer pipe, the embedded short pipe and the closed rib comprise a steel plate layer and red lead anti-rust paint layers coated on the inner surface and the outer surface of the steel plate layer, and the thickness of the steel plate layer is 3 mm.
4. The air outlet structure of the civil air defense basement of the building as claimed in claim 3, wherein: the width of the closed ribs is one fifth of the diameter of the embedded short pipe.
5. The air outlet structure of the civil air defense basement of the building as claimed in claim 4, wherein: and the embedded short pipes and the closed ribs, and the embedded short pipes and the reducer pipes are welded by full welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020084211.9U CN211949404U (en) | 2020-01-15 | 2020-01-15 | Building civil air defense basement air exit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020084211.9U CN211949404U (en) | 2020-01-15 | 2020-01-15 | Building civil air defense basement air exit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211949404U true CN211949404U (en) | 2020-11-17 |
Family
ID=73173748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020084211.9U Active CN211949404U (en) | 2020-01-15 | 2020-01-15 | Building civil air defense basement air exit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211949404U (en) |
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2020
- 2020-01-15 CN CN202020084211.9U patent/CN211949404U/en active Active
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