CN213575756U - Adjustable exhaust valve for civil air defense - Google Patents
Adjustable exhaust valve for civil air defense Download PDFInfo
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- CN213575756U CN213575756U CN202021953566.3U CN202021953566U CN213575756U CN 213575756 U CN213575756 U CN 213575756U CN 202021953566 U CN202021953566 U CN 202021953566U CN 213575756 U CN213575756 U CN 213575756U
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Abstract
The utility model relates to a people's air defense exhaust valve technical field, and disclose an adjustable exhaust valve for people's air defense, including valve body and valve gap, the air intake has been seted up to the lateral wall of valve body, and the lateral wall of valve gap rotates through the swivel mount and is connected with the threaded rod, and the one end of threaded rod passes the valve body air intake, and the upper and lower both sides of threaded rod all are equipped with the horizontal pole, and the one end of horizontal pole all sets up with the outer wall fixed connection of valve body, and the threaded rod extends to outside one end threaded connection has the fly leaf, and fly leaf and two horizontal pole movable sleeve establish, the equal movable sleeve of two horizontal poles is equipped with the spring, and the both ends. The utility model discloses can be according to the superpressure numerical value size of civil air defense engineering internal need, the position of adjustment fly leaf to the tensile volume of adjustment spring, and then adjust the pressure-bearing numerical value of valve gap, and can make the valve gap inject its carminative effect to its position after opening.
Description
Technical Field
The utility model relates to a people's air defense exhaust valve technical field especially relates to an adjustable air exhaust valve for people's air defense.
Background
The explosion-proof overpressure exhaust valve is mainly used for an exhaust outlet of a civil air defense project, is normally in a closed state, keeps 30-50pa overpressure in the civil air defense project when needing toxin filtering ventilation, and automatically opens a valve cover of the explosion-proof overpressure exhaust valve under the action of overpressure so as to exhaust toxic gas in an anti-toxin channel.
The exhaust valve among the prior art can not adjust the pressure-bearing numerical value of valve gap to can not use according to different situation, and can make the valve gap close automatically when the percussion pressure diminishes, thereby influence its effect of expelling toxin.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art exhaust valve and can not adjusting the pressure-bearing numerical value of valve gap to can not use according to different situation, and can make the valve gap closed automatically when the percussion pressure diminishes, thereby influence its problem of detoxification effect, and the adjustable exhaust valve for civil air defense that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an adjustable exhaust valve for civil air defense comprises a valve body and a valve cover, wherein the side wall of the valve body is provided with an air inlet, the side wall of the valve cover is rotatably connected with a threaded rod through a rotary sleeve, one end of the threaded rod penetrates through the air inlet of the valve body, the upper side and the lower side of the threaded rod are respectively provided with a transverse rod, one end of the transverse rod is fixedly connected with the outer wall of the valve body, one end of the threaded rod extending to the outside is in threaded connection with a movable plate, the movable plate is movably sleeved with two transverse rods, the two transverse rods are movably sleeved with springs, the two ends of the springs are respectively fixedly connected with the rod wall of the transverse rod and the side wall of the movable plate, the threaded rod is movably sleeved with an annular block, the annular block is arranged away from one side of the valve body, the side wall of the threaded, the side wall of one side of the movable plate opposite to the annular block is symmetrically and fixedly connected with two clamping blocks, the side wall of the movable plate is symmetrically provided with a plurality of positioning grooves matched with the clamping blocks, and the valve cover is further provided with a plurality of limiting mechanisms.
Preferably every stop gear all includes gag lever post, fixed axle and torsion spring, logical groove has been seted up to the lateral wall of valve gap annular piece one side in opposite directions, the both ends of fixed axle respectively with the both sides wall fixed connection who leads to the groove, gag lever post and torsion spring all establish with the fixed axle movable sleeve, and torsion spring's both ends respectively with the lateral wall that leads to the groove and the lateral wall fixed connection setting of gag lever post, the gag lever post is located the outside setting of air intake.
The side wall of one side of the preferable valve cover opposite to the annular block is fixedly provided with a sealing gasket, and the sealing gasket is abutted to the valve body.
Preferably, the side wall of the positioning block is fixedly provided with a rubber gasket, and the surface of the rubber gasket is provided with anti-skid grains.
Preferably, a positioning rod is arranged in the positioning hole, two ends of the positioning rod are fixedly connected with two side walls of the strip-shaped hole respectively, and the positioning block is movably sleeved with the positioning rod.
Preferably, the outer walls of the two sides of the valve body are symmetrically and fixedly connected with two mounting plates.
Compared with the prior art, the utility model provides an adjustable exhaust valve for people's air defense possesses following beneficial effect:
1. this adjustable exhaust valve for civil air defense through threaded rod, horizontal pole, spring, fly leaf, annular piece, locating piece and the fixture block that is equipped with, can be according to the superpressure numerical value size of civil air defense engineering internal demand, the position of adjustment fly leaf to the extension capacity of adjustment spring, and then adjust the pressure-bearing numerical value of valve gap.
2. This adjustable exhaust valve for people's air defense through a plurality of stop gear that are equipped with, can make the valve gap prescribe a limit to its position after opening, guarantees its carminative effect.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can be according to the superpressure numerical value size of the internal needs of civil air defense engineering, the position of adjustment fly leaf to the tensile volume of adjustment spring, and then adjust the pressure-bearing numerical value of valve gap, and can make the valve gap inject its position after opening, guarantee its carminative effect.
Drawings
Fig. 1 is a schematic structural view of an adjustable exhaust valve for civil air defense provided by the utility model;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the valve comprises a valve body 1, a valve cover 2, a threaded rod 3, a cross rod 4, a movable plate 5, a spring 6, an annular block 7, a positioning block 8, a clamping block 9, a limiting rod 10, a fixing shaft 11, a torsion spring 12, a sealing gasket 13, a rubber gasket 14, a positioning rod 15 and a mounting plate 16.
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.
Referring to fig. 1-2, an adjustable exhaust valve for civil air defense comprises a valve body 1 and a valve cover 2, wherein the side wall of the valve body 1 is provided with an air inlet, the side wall of the valve cover 2 is rotatably connected with a threaded rod 3 through a rotary sleeve, one end of the threaded rod 3 penetrates through the air inlet of the valve body 1, the upper side and the lower side of the threaded rod 3 are respectively provided with a cross rod 4, one end of each cross rod 4 is fixedly connected with the outer wall of the valve body 1, one end of the threaded rod 3 extending to the outside is connected with a movable plate 5 in a threaded manner, the movable plate 5 is movably sleeved with the two cross rods 4, the two cross rods 4 are respectively and movably sleeved with a spring 6, two ends of the spring 6 are respectively and fixedly connected with the rod wall of the cross rod 4 and the side wall of the movable plate 5, the threaded rod 3 is movably sleeved, the both ends of locating piece 8 set up with the lateral wall fixed connection of annular piece 7 respectively, and annular piece 7 is in the same symmetry fixed connection with two fixture blocks 9 of the lateral wall of fly leaf 5 one side in opposite directions, and a plurality of constant head tanks with fixture block 9 assorted are seted up to the lateral wall symmetry of fly leaf 5, still are equipped with a plurality of stop gear on the valve gap 2.
Every stop gear all includes gag lever post 10, fixed axle 11 and torsion spring 12, and logical groove has been seted up to the lateral wall of valve gap 2 annular piece 7 one side in opposite directions, the both ends of fixed axle 11 respectively with lead to the both sides wall fixed connection in groove, gag lever post 10 and torsion spring 12 all establish with fixed axle 11 movable sleeve, and torsion spring 12's both ends respectively with lead to the lateral wall of groove and the lateral wall fixed connection setting of gag lever post 10, gag lever post 10 is located the outside setting of air intake.
The side wall of the valve cover 2 opposite to one side of the annular block 7 is fixedly provided with a sealing gasket 13, and the sealing gasket 13 is abutted against the valve body 1, so that the sealing performance between the valve cover 2 and the valve body 1 can be improved.
The lateral wall of locating piece 8 is fixed and is equipped with rubber gasket 14, and the surface of rubber gasket 14 has seted up anti-skidding line, improves the stability that annular block 7 used.
Be equipped with locating lever 15 in the locating hole, and the both ends of locating lever 15 set up with the both sides wall fixed connection in bar hole respectively, and locating piece 8 is established with locating lever 15 movable sleeve, can improve the stability that locating piece 8 removed.
Two mounting panels 16 of equal symmetry fixedly connected with of both sides outer wall of valve body 1 are convenient for install valve body 1.
In the utility model, when in use, the annular block 7 is arranged to pull the annular block 7 to separate the two clamping blocks 9 from the positioning groove, then the annular block 7 is rotated, the annular block 7 is rotated to drive the threaded rod 3 to rotate through the positioning block 8, and the threaded rod 3 is in threaded connection with the movable plate 5, so that the movable plate 5 can be driven to move through the rotation of the threaded rod 3, further the stretching amount of the spring 6 is adjusted, then the clamping blocks 9 are continuously inserted into the positioning groove to limit the rotation of the threaded rod 3, further the stability of the threaded rod 3 in the use process is ensured, people can adjust the pressure-bearing value of the valve cover 2 according to the overpressure value required in the civil air defense engineering, the use of people is facilitated, then the limiting rod 10 is arranged, when the valve cover 2 is opened under the external pressure, the torque force of the torque spring 12 can drive the limiting rod 10 to rotate around the fixing shaft 11, make gag lever post 10 be in the horizontality to can make valve gap 2 all the time with valve body 1 mutual dislocation after opening, and then guarantee the holistic exhaust effect of device, be convenient for people's use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The adjustable exhaust valve for the civil air defense comprises a valve body (1) and a valve cover (2), wherein an air inlet is formed in the side wall of the valve body (1), and is characterized in that a threaded rod (3) is rotatably connected to the side wall of the valve cover (2) through a rotary sleeve, one end of the threaded rod (3) penetrates through the air inlet of the valve body (1), transverse rods (4) are respectively arranged on the upper side and the lower side of the threaded rod (3), one end of each transverse rod (4) is fixedly connected with the outer wall of the valve body (1), one end of the threaded rod (3) extending to the outside is in threaded connection with a movable plate (5), the movable plates (5) are movably sleeved with the two transverse rods (4), springs (6) are respectively movably sleeved on the transverse rods (4), two ends of each spring (6) are respectively fixedly connected with the rod wall of the transverse rods (4) and the side wall of the movable plate (5), annular blocks (, and valve body (1) one side setting is kept away from in annular piece (7), the bar hole has been seted up to the lateral wall of threaded rod (3), and the downthehole locating piece (8) that is equipped with of bar, the both ends of locating piece (8) set up with the lateral wall fixed connection of annular piece (7) respectively, annular piece (7) are in opposite directions two fixture blocks (9) of the equal symmetrical fixedly connected with of lateral wall on one side of fly leaf (5), a plurality of and fixture block (9) assorted constant head tanks have been seted up to the lateral wall symmetry of fly leaf (5), still be equipped with a plurality of stop gear on valve gap (2).
2. The adjustable exhaust valve for civil air defense as claimed in claim 1, wherein each limiting mechanism comprises a limiting rod (10), a fixing shaft (11) and a torsion spring (12), a through groove is formed in the side wall of one side of the valve cover (2) opposite to the annular block (7), two ends of the fixing shaft (11) are fixedly connected with two side walls of the through groove respectively, the limiting rod (10) and the torsion spring (12) are movably sleeved with the fixing shaft (11), two ends of the torsion spring (12) are fixedly connected with the side wall of the through groove and the side wall of the limiting rod (10) respectively, and the limiting rod (10) is arranged outside the air inlet.
3. The adjustable exhaust valve for the civil air defense as claimed in claim 1, wherein the side wall of the valve cover (2) opposite to one side of the annular block (7) is fixedly provided with a sealing gasket (13), and the sealing gasket (13) is abutted against the valve body (1).
4. The adjustable exhaust valve for the civil air defense as claimed in claim 1, wherein the side wall of the positioning block (8) is fixedly provided with a rubber gasket (14), and the surface of the rubber gasket (14) is provided with anti-skid lines.
5. The adjustable exhaust valve for the civil air defense as claimed in claim 1, further comprising a positioning hole, wherein a positioning rod (15) is arranged in the positioning hole, two ends of the positioning rod (15) are respectively fixedly connected with two side walls of the strip-shaped hole, and the positioning block (8) is movably sleeved with the positioning rod (15).
6. The adjustable exhaust valve for civil air defense as claimed in claim 1, characterized in that two mounting plates (16) are symmetrically and fixedly connected to the outer walls of the two sides of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953566.3U CN213575756U (en) | 2020-09-09 | 2020-09-09 | Adjustable exhaust valve for civil air defense |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953566.3U CN213575756U (en) | 2020-09-09 | 2020-09-09 | Adjustable exhaust valve for civil air defense |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575756U true CN213575756U (en) | 2021-06-29 |
Family
ID=76570607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021953566.3U Active CN213575756U (en) | 2020-09-09 | 2020-09-09 | Adjustable exhaust valve for civil air defense |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575756U (en) |
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2020
- 2020-09-09 CN CN202021953566.3U patent/CN213575756U/en active Active
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