CN220248953U - Normally closed pressurizing air supply outlet - Google Patents
Normally closed pressurizing air supply outlet Download PDFInfo
- Publication number
- CN220248953U CN220248953U CN202321776936.4U CN202321776936U CN220248953U CN 220248953 U CN220248953 U CN 220248953U CN 202321776936 U CN202321776936 U CN 202321776936U CN 220248953 U CN220248953 U CN 220248953U
- Authority
- CN
- China
- Prior art keywords
- valve body
- rod
- air supply
- normally closed
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000006978 adaptation Effects 0.000 claims abstract 2
- 230000002457 bidirectional effect Effects 0.000 claims description 36
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The application discloses normal close pressurization supply-air outlet relates to fire control facility technical field, improves the mounting means of current pressurization supply-air outlet and leads to dismantling inconvenient when the later maintenance of pressurization supply-air outlet, influences the problem of maintenance efficiency, including embedded valve body in the wall body, the both sides of valve body all are equipped with the installation pole, two-way screw rod is installed in the valve body internal rotation, be equipped with the driving piece in the execution chamber, two symmetrical swivel nuts have been cup jointed to the screw thread on the two-way screw rod, the both sides of swivel nut all articulate there is the connecting rod, the connecting rod is kept away from the one end of swivel nut and articulates there is the spliced pole, the spliced pole has four, four the spliced pole runs through the four corners of valve body respectively, the spliced hole with the spliced pole looks adaptation has all been seted up at the both ends of installation pole. The setting through installation pole, spliced eye, driving piece, two-way screw rod, swivel nut, connecting rod and spliced pole, make things convenient for the later stage to dismantle the maintenance to the pressurization supply-air outlet, improve maintenance efficiency.
Description
Technical Field
The application relates to the field of fire protection facilities, in particular to a normally closed pressurized air supply outlet.
Background
The normally closed pressurized air supply port is used for pressurized air supply in fire disaster, and the pressurized air supply port can continuously supply air to the front chamber, so that the front chamber maintains positive pressure, and the smoke is ensured not to spread in the area, thereby providing a space for escaping for people.
In the prior art, the pressurization air supply outlet is a valve body in a rectangular frame shape generally, a plurality of rotatable valve plates are arranged in the valve body, an actuating mechanism for driving the valve plates to rotate is arranged in an actuating chamber of the valve body, when the pressurization air supply outlet is installed, an installation mode embedded in a wall body is generally adopted, an installation groove for installing the valve body is reserved in the wall body, and a plurality of bolts are adopted to fix four corners of the valve body after the valve body is embedded in the installation groove.
In the process of realizing the present application, the inventor finds that at least the following problems exist in the technology, and the installation mode of the existing pressurization air supply outlet causes inconvenient disassembly of the pressurization air supply outlet in the later maintenance, and influences the maintenance efficiency, so that a normally closed pressurization air supply outlet is now proposed.
Disclosure of Invention
In order to solve the problem that the mounting mode of the existing pressurization air supply outlet causes inconvenience in dismounting the pressurization air supply outlet during later maintenance and influences maintenance efficiency, the application provides a normally closed pressurization air supply outlet.
The application provides a normally closed pressurization supply-air outlet, adopts following technical scheme:
the normally closed pressurizing air supply outlet comprises a valve body embedded in a wall body, wherein an execution chamber and an air vent are arranged in the valve body, two valve plates are rotatably arranged in the air vent, mounting rods are arranged on two sides of the valve body, and the mounting rods are fixedly arranged in the wall body;
the two-way screw rod penetrating the execution chamber and the ventilation opening is installed in the rotation mode of the valve body, a driving piece used for driving the two-way screw rod to rotate is arranged in the execution chamber, two symmetrical screw sleeves are sleeved on the two-way screw rod in a threaded mode, connecting rods are hinged to two sides of the screw sleeves, inserting rods are hinged to one ends, far away from the screw sleeves, of the connecting rods, four inserting rods penetrate through four corners of the valve body respectively, and inserting holes matched with the inserting rods are formed in two ends of the installation rod.
Through adopting the technical scheme, before installing the valve body, the installing rods are fixedly installed in the wall body, the width distance of the valve plate is reserved between the two installing rods, when the valve body is installed, the valve body is only required to be placed in the installing groove in the wall body and arranged between the two installing rods, then, only the driving piece is required to drive the bidirectional screw rod to rotate, the bidirectional screw rod drives the two screw sleeves to mutually deviate from and move along the length direction of the bidirectional screw rod, the screw sleeve drives the inserting rod to move towards the direction deviating from the bidirectional screw rod through the connecting rod, the inserting rod is inserted into the inserting hole of the installing rod, and the valve body is connected and fixed with the installing rod, so that the installation of the pressurizing air supply outlet can be completed; under the normal state, the two valve plates seal and shield the vent, when air supply is needed, the vent can be opened by pulling the pull ring of the actuating mechanism to drive the valve plates to rotate through the actuating mechanism in the actuating chamber, so that the vent is supplied with air; when the maintenance is required to be dismantled in the later stage, only the driving piece is required to drive the bidirectional screw rod to reversely rotate, so that the bidirectional screw rod drives the two screw sleeves to move close to each other along the length direction of the bidirectional screw rod, the screw sleeves drive the inserting connection rod to be pulled out of the inserting hole of the mounting rod through the connecting rod, the connection between the valve body and the mounting rod can be relieved, the pressurizing air supply outlet can be taken out of the wall body, the maintenance of the pressurizing air supply outlet is facilitated, and the maintenance efficiency is improved.
Optionally, the both ends of installation pole all threaded connection has the bolt, the installation pole passes through bolt fixed mounting in the wall.
Through adopting above-mentioned technical scheme, before the installation valve body, use the bolt to use installation pole fixed mounting in the wall earlier to the width distance of valve block is reserved between two installation poles.
Optionally, the valve body is located the execution room and the vent is fixed mounting has the bearing, two-way screw rod rotates and runs through in the bearing.
Through adopting above-mentioned technical scheme, can play the supporting role to two-way screw rod through the bearing, improve two-way screw rod's stability.
Optionally, a housing for protecting the driving member is fixedly installed in the execution chamber.
Through adopting above-mentioned technical scheme, can play the guard effect to the driving piece through the casing.
Optionally, the driving member includes a worm rotatably mounted in the housing and a worm gear fixedly mounted on the bi-directional screw, the worm being engaged with the worm gear.
Through adopting above-mentioned technical scheme, accessible worm drives the worm wheel rotation, makes the worm wheel drive two-way screw rod rotation.
Optionally, an annular handle is fixedly installed at one end of the worm.
Through adopting above-mentioned technical scheme, when the operation, can hold annular handle and rotate, make annular handle drive worm rotation, improved the convenience of operation.
Optionally, a limiting plate is fixedly connected with one end of the plugging rod.
Through adopting above-mentioned technical scheme, through the setting of limiting plate, can play spacing effect to the plug rod.
Optionally, the front surface of the execution chamber is hinged with a panel.
By adopting the technical scheme, the panel can cover the execution room, and can be turned over during operation.
In summary, the present application has the following beneficial effects:
1. according to the mounting structure, the mounting rods are fixedly mounted in the wall body before the valve body is mounted, the width distance of the valve plate is reserved between the two mounting rods, when the valve body is mounted, the valve body is only required to be placed in the mounting groove in the wall body, the valve body is arranged between the two mounting rods, then, the driving piece is only required to drive the two threaded rods to rotate, the two threaded rods drive the two threaded sleeves to move along the length direction of the two threaded rods in a mutually deviating mode, the threaded sleeves drive the threaded rods to move towards the direction deviating from the two threaded rods through the connecting rods, the threaded rods are inserted into the plugging holes of the mounting rods, the valve body and the mounting rods are connected and fixed, and then the mounting of the pressurizing air supply outlet can be completed; when the disassembly and maintenance are needed in the later period, only the driving piece is needed to drive the bidirectional screw rod to reversely rotate, so that the bidirectional screw rod drives the two screw sleeves to mutually approach to each other along the length direction of the bidirectional screw rod, the screw sleeves drive the inserting connection rod to be pulled out of the inserting hole of the mounting rod through the connecting rod, the connection between the valve body and the mounting rod can be released, the pressurizing air supply outlet can be taken out of the wall body, the maintenance of the pressurizing air supply outlet is facilitated, and the maintenance efficiency is improved;
2. the setting of this application through the driving piece, when the operation, can hold annular handle and rotate, make annular handle drive worm rotation, make the worm drive worm wheel rotation, make the worm wheel drive two-way screw rotation, improved the convenience of operation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic view of a front sectional structure of the present application.
Fig. 3 is a schematic view of the back structure of the valve body without the mounting rod shown in the present application.
Fig. 4 is a schematic view of the front structure of the valve body without the mounting rod shown in the present application.
Fig. 5 is a schematic top view of the driving member of the present application.
Reference numerals illustrate:
1. a valve body; 2. an execution chamber; 3. a vent; 4. a valve plate; 5. a mounting rod; 6. a bidirectional screw; 7. a driving member; 71. a worm; 72. a worm wheel; 73. an annular handle; 8. a screw sleeve; 9. a connecting rod; 10. inserting a connecting rod; 11. a plug hole; 12. a bolt; 13. a bearing; 14. a housing; 15. a limiting plate; 16. a panel.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
Referring to fig. 1-3, a normally closed pressurized air supply outlet includes a valve body 1 embedded in a wall, an execution chamber 2 and an air vent 3 are provided in the valve body 1, a panel 16 is hinged to the front surface of the execution chamber 2, two valve plates 4 are rotatably installed in the air vent 3, an execution mechanism for driving the valve plates 4 to rotate is provided in the execution chamber 2, and the execution mechanism completely adopts the execution mechanism of the existing pressurized air supply outlet, which is not described herein. Under normal state, two valve plates 4 seal and shelter vent 3, when needing the air supply, can open panel 16, and pull ring drive valve plate 4 on the pulling actuating mechanism rotates, opens vent 3, makes vent 3 carry out the air supply.
Referring to fig. 1 and 2, the two sides of the valve body 1 are provided with mounting rods 5, a mounting groove for mounting the pressurizing air supply outlet is preset in the wall, the two mounting rods 5 are respectively arranged at the two sides of the mounting groove, the two ends of the mounting rods 5 are connected with bolts 12 in a threaded manner, before the valve body 1 is mounted, the mounting rods 5 are fixedly mounted in the wall by the bolts 12, and the width distance of the valve plate 4 is reserved between the two mounting rods 5.
Referring to fig. 2, 3 and 4, the valve body 1 is rotatably provided with a bidirectional screw rod 6 penetrating the execution chamber 2 and the ventilation opening 3, the bidirectional screw rod 6 is vertically arranged, the valve body 1 is fixedly provided with a bearing 13 located in the execution chamber 2 and the ventilation opening 3, the bidirectional screw rod 6 rotates and penetrates through the bearing 13, the bidirectional screw rod 6 can be supported through the bearing 13, and the stability of the bidirectional screw rod 6 is improved. The actuating chamber 2 is internally provided with a driving piece 7 for driving the bidirectional screw rod 6 to rotate, two symmetrical screw sleeves 8 are sleeved on the bidirectional screw rod 6 in a threaded manner, connecting rods 9 are hinged to two sides of each screw sleeve 8, one end, far away from each screw sleeve 8, of each connecting rod 9 is hinged to one plugging rod 10, the number of the plugging rods 10 is four, the four plugging rods 10 respectively penetrate through four corners of the valve body 1, and plugging holes 11 matched with the plugging rods 10 are formed in two ends of each mounting rod 5.
When the valve body 1 is installed, the valve body 1 is only required to be placed in an installation groove in a wall body, the valve body 1 is arranged between two installation rods 5, then, only the driving piece 7 is required to drive the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 drives the two screw sleeves 8 to move away from each other along the length direction of the bidirectional screw rod 6, the screw sleeves 8 drive the inserting connection rod 10 to move away from the bidirectional screw rod 6 through the connecting rod 9, the inserting connection rod 10 is inserted into an inserting connection hole 11 of the installation rod 5, and the valve body 1 and the installation rod 5 are connected and fixed, so that the installation of the pressurizing air supply outlet can be completed; when the later stage needs to be disassembled and maintained, only the driving piece 7 is required to drive the bidirectional screw rod 6 to reversely rotate, so that the bidirectional screw rod 6 drives the two screw sleeves 8 to mutually move close to each other along the length direction of the bidirectional screw rod 6, the screw sleeves 8 drive the inserting connection rod 10 to be pulled out from the inserting hole 11 of the mounting rod 5 through the connecting rod 9, the connection between the valve body 1 and the mounting rod 5 can be released, the pressurizing air supply outlet can be taken out from the wall body, the maintenance of the pressurizing air supply outlet is facilitated, and the maintenance efficiency is improved.
Wherein, the one end fixedly connected with limiting plate 15 of spliced pole 10, through the setting of limiting plate 15, can play spacing effect to spliced pole 10.
Referring to fig. 2 and 5, a housing 14 for protecting the driver 7 is fixedly installed in the execution chamber 2, and the driver 7 can be protected by the housing 14. The driving piece 7 comprises a worm 71 rotatably installed in the shell 14 and a worm wheel 72 fixedly installed on the bidirectional screw rod 6, the worm 71 is meshed with the worm wheel 72, an annular handle 73 is fixedly installed at one end of the worm 71, and when the driving piece is operated, the annular handle 73 can be held by hand to rotate, so that the annular handle 73 drives the worm 71 to rotate, the worm 71 drives the worm wheel 72 to rotate, the worm wheel 72 drives the bidirectional screw rod 6 to rotate, and the convenience of operation is improved.
The implementation principle of the application is as follows: before installing the valve body 1, the installation rod 5 is fixedly installed in a wall body by using the bolts 12, the width distance of the valve plate 4 is reserved between the two installation rods 5, when the valve body 1 is installed, the valve body 1 is only required to be placed in an installation groove in the wall body, the valve body 1 is arranged between the two installation rods 5, then the annular handle 73 can be held by hand to rotate, the annular handle 73 drives the worm 71 to rotate, the worm 71 drives the worm wheel 72 to rotate, the worm wheel 72 drives the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 drives the two screw sleeves 8 to move away from each other along the length direction of the bidirectional screw rod 6, the screw sleeves 8 drive the inserting connection rod 10 to move away from the bidirectional screw rod 6 through the connecting rod 9, the inserting connection rod 10 is inserted into the inserting hole 11 of the installation rod 5, the valve body 1 and the installation rod 5 are connected and fixed, and the installation of the pressurizing air supply outlet can be completed.
Under normal state, two valve plates 4 seal and shelter vent 3, when needing the air supply, can open panel 16, and pull ring drive valve plate 4 on the pulling actuating mechanism rotates, opens vent 3, makes vent 3 supply air, makes the antechamber maintain the malleation, guarantees that the flue gas can not spread in this region, and gives the space of fleing.
When the maintenance is required to be disassembled in the later period, the annular handle 73 can be held to reversely rotate, the annular handle 73 drives the worm 71 to reversely rotate, the worm 71 drives the worm wheel 72 to reversely rotate, the worm wheel 72 drives the bidirectional screw rod 6 to reversely rotate, the bidirectional screw rod 6 drives the two threaded sleeves 8 to mutually approach to move along the length direction of the bidirectional screw rod 6, the threaded sleeves 8 drive the inserting connection rod 10 to be pulled out from the inserting connection hole 11 of the installation rod 5 through the connecting rod 9, the connection between the valve body 1 and the installation rod 5 can be released, the pressurizing air supply outlet can be taken out from the wall body, the maintenance of the pressurizing air supply outlet is facilitated, and the maintenance efficiency is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a normal close pressurization supply-air outlet, includes valve body (1) in embedded in the wall body, its characterized in that: an execution chamber (2) and a ventilation opening (3) are arranged in the valve body (1), two valve plates (4) are rotatably arranged in the ventilation opening (3), mounting rods (5) are arranged on two sides of the valve body (1), and the mounting rods (5) are fixedly arranged in a wall body;
the utility model discloses a valve body, including valve body (1), valve body (9), connecting rod (9), plug rod (10) are all articulated in the both sides of swivel nut (8), the one end that swivel nut (8) was kept away from to connecting rod (9) has plug rod (10), plug rod (10) have four, four plug rod (10) run through the four corners of valve body (1) respectively, plug hole (11) with plug rod (10) looks adaptation have all been seted up at the both ends of installation pole (5) in actuating member (2) in actuating member (6) pivoted driving piece (7) that run through actuating chamber (2) and vent (3) are installed in the swivelling joint of valve body (1).
2. A normally closed pressurized air supply according to claim 1, wherein: the two ends of the installation rod (5) are connected with bolts (12) in a threaded mode, and the installation rod (5) is fixedly installed in a wall body through the bolts (12).
3. A normally closed pressurized air supply according to claim 1, wherein: the valve body (1) is located in the execution chamber (2) and the ventilation opening (3) and is fixedly provided with a bearing (13), and the bidirectional screw rod (6) rotates and penetrates through the bearing (13).
4. A normally closed pressurized air supply according to claim 1, wherein: a housing (14) for protecting the drive element (7) is fixedly arranged in the execution chamber (2).
5. A normally closed pressurized air supply according to claim 4 wherein: the driving part (7) comprises a worm (71) rotatably mounted in the housing (14) and a worm wheel (72) fixedly mounted on the bidirectional screw (6), and the worm (71) is meshed with the worm wheel (72).
6. A normally closed pressurized air supply according to claim 5 wherein: one end of the worm (71) is fixedly provided with an annular handle (73).
7. A normally closed pressurized air supply according to claim 1, wherein: one end of the inserting connection rod (10) is fixedly connected with a limiting plate (15).
8. A normally closed pressurized air supply according to claim 1, wherein: the front surface of the execution chamber (2) is hinged with a panel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776936.4U CN220248953U (en) | 2023-07-07 | 2023-07-07 | Normally closed pressurizing air supply outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776936.4U CN220248953U (en) | 2023-07-07 | 2023-07-07 | Normally closed pressurizing air supply outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248953U true CN220248953U (en) | 2023-12-26 |
Family
ID=89271479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321776936.4U Active CN220248953U (en) | 2023-07-07 | 2023-07-07 | Normally closed pressurizing air supply outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248953U (en) |
-
2023
- 2023-07-07 CN CN202321776936.4U patent/CN220248953U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220248953U (en) | Normally closed pressurizing air supply outlet | |
| CN103537032A (en) | Mobile fire extinguishing apparatus for high-rise rescue | |
| CN220344982U (en) | Flexible fireproof cover with temperature monitoring function | |
| CN107715356A (en) | A kind of easily operated fire hydrant box | |
| CN112716786A (en) | Portable moxibustion instrument | |
| CN208707118U (en) | A kind of high-voltage terminal cabinet with fire alarm | |
| CN216048175U (en) | Be applied to fire engineering's intelligent smoke protection and exhaust device | |
| CN213847232U (en) | Indoor temperature controller | |
| CN203417423U (en) | Movable fire-extinguishing device for high-rise rescue | |
| CN221286174U (en) | Protection type intra-cabin ventilation and exhaust device for oxygen cabin | |
| CN112003158A (en) | Intelligent security electric power cabinet system | |
| CN220435581U (en) | Fire-proof valve convenient to install | |
| CN203417417U (en) | Spray head device of movable fire extinguisher for high-rise rescue | |
| CN220338026U (en) | Indoor fire alarm | |
| CN110671531A (en) | Safety straight-through valve starter | |
| CN213485406U (en) | Automatic air supply device for positive pressure type explosion-proof cabinet | |
| CN104847679A (en) | Show window type ventilating fan | |
| CN211503121U (en) | Positive pressure air supply outlet for building fire-fighting smoke-proof system | |
| CN110617631A (en) | Wall-mounted furnace with carbon monoxide concentration detection function | |
| CN220267538U (en) | Fire control passageway opens door fast | |
| CN221923827U (en) | Ventilation device for civil air defense security engineering | |
| CN220870953U (en) | Fume exhaust fan | |
| CN215538054U (en) | Portable fire hydrant water level pressure detection device | |
| CN214997331U (en) | Shading shutter based on outdoor sunshade | |
| CN210317374U (en) | Ventilation equipment for subway tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |