CN219734232U - Fume exhaust valve for ventilating duct - Google Patents
Fume exhaust valve for ventilating duct Download PDFInfo
- Publication number
- CN219734232U CN219734232U CN202223311880.3U CN202223311880U CN219734232U CN 219734232 U CN219734232 U CN 219734232U CN 202223311880 U CN202223311880 U CN 202223311880U CN 219734232 U CN219734232 U CN 219734232U
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- CN
- China
- Prior art keywords
- shell
- face
- driving
- smoke
- bevel gear
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- 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.)
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- 239000003517 fume Substances 0.000 title description 2
- 239000000779 smoke Substances 0.000 claims abstract description 42
- 241000883990 Flabellum Species 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Air-Flow Control Members (AREA)
Abstract
The utility model provides a smoke exhaust valve for a ventilating duct, which belongs to the technical field of smoke exhaust valves and aims to solve the problem that when the smoke exhaust valve is in a closed state, gaps exist between fan blades and the inner wall of a valve body, so that the sealing effect is poor; and after the smoke exhaust valve is closed, the interior of the pipeline is provided with some smoke, and the smoke can escape into other protection areas to cause adverse effects on escape of people. According to the utility model, the surface of the limiting vertical plate is provided with the vertical clamping groove, when the fan blade is in a closed state, the rubber strip is clamped in the vertical clamping groove, so that the sealing performance of the fan blade can be improved, and the smoke is prevented from escaping from the pipeline to other fireproof partitions.
Description
Technical Field
The utility model belongs to the technical field of smoke exhaust valves, and particularly relates to a smoke exhaust valve for a ventilating duct.
Background
The smoke exhaust valve is arranged at the end part (smoke suction inlet) of each branch pipe of the mechanical smoke exhaust system, is in a closed state at ordinary times and meets the air leakage requirement, and is manually and electrically opened when fire or smoke is needed to be exhausted, so that the smoke exhaust valve has a smoke exhaust effect, but the existing valve has some defects.
Based on the above, the existing smoke evacuation valve has the following disadvantages in use:
firstly, when the smoke exhaust valve is in a closed state in a fire disaster, gaps exist between the fan blades and the inner wall of the valve body, so that the sealing effect is poor;
secondly, after the smoke exhaust valve is closed, some smoke exists in the pipeline, and the smoke can escape into other protection areas, so that the escape of people is adversely affected.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a smoke exhaust valve for a ventilating duct, which aims to solve the problem that when the existing smoke exhaust valve is in a closed state, gaps exist between fan blades and the inner wall of a valve body, so that the sealing effect is poor; and after the smoke exhaust valve is closed, some smoke exists in the pipeline, and the smoke can escape into other protection areas, so that the escape of people is adversely affected.
The utility model discloses a smoke exhaust valve for a ventilating duct, which is characterized by comprising the following specific technical means: a smoke exhaust valve for a ventilating duct comprises a shell;
connecting plates are respectively arranged at the front end and the rear end of the shell, the connecting plate main body is of an L-shaped structure, round holes are formed in the surface of the connecting plate, and a fixed cylinder is arranged in the middle of the inner end face of a top plate of the shell;
the driving motor is fixedly arranged on the upper end face of the shell, the lower end of the driving motor is in transmission connection with a driving shaft, and the driving shaft is positioned in the fixed cylinder;
the lower end face of the connecting rod is rotationally connected with the bottom plate of the shell, and the upper end face of the connecting rod penetrates through the bottom plate of the fixed cylinder and is fixedly connected with the driving shaft;
the filter box is fixedly arranged on the inner end face of the top plate of the shell, and a rear baffle is arranged at the right side of the lower end face of the filter box;
the sliding block is internally provided with a threaded hole, and two end surfaces of the sliding block are symmetrically provided with lower baffles;
the right side one end of the transmission rod is rotationally connected with the rear baffle plate of the lower end face of the filter box, the left side one end of the transmission rod penetrates through the side wall of the fixed cylinder and is fixedly connected with the driven bevel gear, and the outer end face of the right end part of the transmission rod is provided with external threads.
Further, two flabellum are installed to the outer terminal surface symmetry of connecting rod, and the outer terminal surface of flabellum is laminated with the inner terminal surface of shell, and the outer terminal surface of flabellum still installs a rubber strip, and the outer end part of rubber strip is cylindrical structure.
Further, two spacing risers are still installed to the inside of shell, and vertical draw-in groove has still been seted up on the surface of spacing riser, and the flabellum is in the state of closing, and the rubber strip joint is inside vertical draw-in groove.
Further, a temperature sensor is arranged at the front position inside the shell, and the temperature sensor is electrically connected with the driving motor.
Further, the connecting hole has evenly been seted up to the lower terminal surface of filter cartridge, and filter cartridge inside is filled with active carbon, and a side shield is installed respectively to filter cartridge lower extreme both sides, and the track groove has been seted up on the side shield surface, and the T type piece slip clamping of lower baffle through the outer end is in the track groove on side shield surface.
Further, a driving bevel gear is arranged on the surface of the driving shaft, the driving bevel gear is meshed with a driven bevel gear at the left end of a transmission rod, and the transmission rod is in threaded connection with the sliding block.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the temperature sensor is arranged in the shell, when the ventilating duct contains smoke, the temperature sensor senses the temperature rise in the duct, signals can be transmitted to the driving motor, the driving motor drives the driving shaft to rotate, and the lower end of the driving shaft is fixedly connected with the connecting rod, so that the connecting rod can drive the fan blades to rotate in the rotation process, and the fan blades are in a closed state, so that the smoke is prevented from escaping;
in addition, the surface of the limiting vertical plate is provided with a vertical clamping groove, when the fan blade is in a closed state, the rubber strip is clamped in the vertical clamping groove, so that the tightness of the fan blade can be improved, and smoke is prevented from escaping from the pipeline to other fireproof partitions;
in addition, when driving motor drives the drive shaft to rotate, through the setting of initiative bevel gear and passive bevel gear meshing for the transfer line also can take place rotatoryly, and the transfer line can drive down baffle outward movement in the rotation, can expose the connecting hole of filter cartridge lower extreme, adsorbs the harmful substance in the inside flue gas of pipeline.
Drawings
Fig. 1 is a schematic view of the overall device structure of the present utility model.
Fig. 2 is a schematic view of the internal structure of the housing of the present utility model.
FIG. 3 is a schematic view of a connecting rod and fan blade according to the present utility model.
Fig. 4 is a schematic view of a partially enlarged structure of fig. 3 a according to the present utility model.
Fig. 5 is a schematic cross-sectional view of a filter cartridge of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a housing; 101. a connecting plate; 102. a limiting vertical plate; 1021. a vertical clamping groove; 103. a fixed cylinder; 2. a driving motor; 201. a drive shaft; 2011. a drive bevel gear; 3. a connecting rod; 301. a fan blade; 3011. a rubber strip; 4. a temperature sensor; 5. a filter box; 501. a connection hole; 6. a sliding block; 601. a lower baffle; 7. a transmission rod; 701. a passive bevel gear.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present utility model provides a smoke exhaust valve for a ventilating duct, comprising a housing 1;
the front end and the rear end of the shell 1 are respectively provided with a connecting plate 101, the main body of the connecting plate 101 is of an L-shaped structure, the surface of the connecting plate 101 is provided with a round hole, and the middle position of the inner end surface of the top plate of the shell 1 is provided with a fixed cylinder 103;
the driving motor 2 is fixedly arranged on the upper end face of the shell 1, the lower end of the driving motor 2 is in transmission connection with a driving shaft 201, and the driving shaft 201 is positioned in the fixed cylinder 103;
the lower end surface of the connecting rod 3 is rotationally connected with the bottom plate of the shell 1, and the upper end surface of the connecting rod 3 penetrates through the bottom plate of the fixed cylinder 103 and is fixedly connected with the driving shaft 201;
the filter box 5 is fixedly arranged on the inner end face of the top plate of the shell 1, and a rear baffle is arranged at the right side of the lower end face of the filter box 5;
the sliding block 6 is internally provided with a threaded hole, and the two end surfaces of the sliding block 6 are symmetrically provided with lower baffle plates 601;
and one end of the right side of the transmission rod 7 is rotationally connected with a rear baffle plate of the lower end face of the filter box 5, one end of the left side of the transmission rod 7 penetrates through the side wall of the fixed cylinder 103 and is fixedly connected with the driven bevel gear 701, and an external thread is formed on the outer end face of the right end part of the transmission rod 7.
Wherein, two flabellum 301 are installed to connecting rod 3's outer terminal surface symmetry, the laminating of the outer terminal surface of flabellum 301 and the interior terminal surface of shell 1, a rubber strip 3011 is still installed to the outer terminal surface of flabellum 301, the outer end part of rubber strip 3011 is cylindrical structure, two spacing risers 102 are still installed to the inside of shell 1, vertical draw-in groove 1021 has still been seted up on spacing riser 102's surface, when flabellum 301 is in the closed state, rubber strip 3011 joint is inside vertical draw-in groove 1021, in the use, vertical draw-in groove 1021 has been seted up on spacing riser 102's surface, when flabellum 301 is in the closed state, rubber strip 3011 joint is inside vertical draw-in groove 1021, can increase the leakproofness of flabellum 301, prevent that the flue gas from the pipeline from the escape to in the other fireproof subregions.
Wherein, a temperature sensor 4 is installed to the inside front position of shell 1, temperature sensor 4 and driving motor 2 electric connection, in the use, flabellum 301 is in normally open state at ordinary times, when the conflagration takes place, the flue gas can outwards escape along with the air pipe, and the temperature of flue gas is higher, when containing the flue gas in the air pipe, temperature sensor 4 feels the inside temperature rise of pipeline, can give driving motor 2 with signal transmission, driving motor 2 drives drive shaft 201 and rotates, and drive shaft 201 lower extreme and connecting rod 3 fixed connection, make connecting rod 3 can drive flabellum 301 rotation in the rotation.
Wherein, the connecting hole 501 has evenly been seted up to the lower terminal surface of filter box 5, and filter box 5 inside is filled with the active carbon, and a side shield is installed respectively to filter box 5 lower extreme both sides, and the track groove has been seted up on the side shield surface, and lower baffle 601 slides the cartridge through the T type piece of outer end and in the track groove on side shield surface, in the use, after flabellum 301 was closed, still remained partial flue gas in the pipeline inside, and the active carbon inside filter box 5 can adsorb the harmful substance in the flue gas.
The surface of the driving shaft 201 is provided with a driving bevel gear 2011, the driving bevel gear 2011 is meshed with a driven bevel gear 701 at the left end of a driving rod 7, the driving rod 7 is in threaded connection with a sliding block 6, when the fan blade 301 is in an open state in use, the lower baffle 601 is located below the connecting hole 501, and when the driving motor 2 drives the driving shaft 201 to rotate, the driving rod 7 can rotate through the arrangement that the driving bevel gear 2011 is meshed with the driven bevel gear 701, the driving rod 7 can drive the lower baffle 601 to move outwards in rotation, the connecting hole 501 at the lower end of the filter box 5 can be exposed, and harmful substances in smoke inside the pipeline are adsorbed.
Specific use and action of the embodiment:
in the utility model, when the fan blade 301 is in a normally open state and a fire disaster occurs, smoke can escape outwards along with a ventilation pipeline, the temperature of the smoke is higher, when the ventilation pipeline contains the smoke, the temperature sensor 4 senses that the temperature in the pipeline rises, a signal can be transmitted to the driving motor 2, the driving motor 2 drives the driving shaft 201 to rotate, the lower end of the driving shaft 201 is fixedly connected with the connecting rod 3, the connecting rod 3 can drive the fan blade 301 to rotate in the rotation process, the surface of the limiting vertical plate 102 is provided with the vertical clamping groove 1021, when the fan blade 301 is in a closed state, the rubber strip 3011 is clamped in the vertical clamping groove 1021, the sealing property of the fan blade 301 can be improved, the smoke is prevented from escaping from the pipeline into other fireproof partitions, when the fan blade 301 is in an open state, the lower baffle 601 is positioned below the connecting hole 501, and when the driving motor 2 drives the driving shaft 201 to rotate, the driving shaft 7 can also rotate through the arrangement of the driving bevel gear 2011 and the driven bevel gear 701, the driving shaft 7 can drive the lower baffle 601 to move outwards in the rotation process, and the lower baffle 601 can be exposed out of the filter box 5, and harmful substances can be absorbed into the pipeline 501.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (6)
1. A smoke evacuation valve for a ventilation duct, characterized in that: the connecting plate (101) is respectively arranged at the front end and the rear end of the shell (1), the main body of the connecting plate (101) is of an L-shaped structure, a round hole is formed in the surface of the connecting plate (101), and a fixed cylinder (103) is arranged in the middle of the inner end face of a top plate of the shell (1); the driving motor (2) is fixedly arranged on the upper end face of the shell (1), the lower end of the driving motor (2) is in transmission connection with a driving shaft (201), and the driving shaft (201) is positioned in the fixed cylinder (103); the lower end face of the connecting rod (3) is rotationally connected with the bottom plate of the shell (1), and the upper end face of the connecting rod (3) penetrates through the bottom plate of the fixed cylinder (103) and is fixedly connected with the driving shaft (201); the filter box (5) is fixedly arranged on the inner end face of the top plate of the shell (1), and a rear baffle is arranged at the right side of the lower end face of the filter box (5); the sliding block (6), the inside of the sliding block (6) is provided with a threaded hole, and the two end surfaces of the sliding block (6) are symmetrically provided with lower baffle plates (601); the right side one end of the transmission rod (7) is rotationally connected with a rear baffle plate of the lower end face of the filter box (5), the left side one end of the transmission rod (7) penetrates through the side wall of the fixed cylinder (103) and is fixedly connected with the driven bevel gear (701), and external threads are formed in the outer end face of the right end part of the transmission rod (7).
2. A smoke evacuation valve for a ventilation duct as claimed in claim 1, wherein: two flabellum (301) are installed to the outer terminal surface symmetry of connecting rod (3), and the outer terminal surface of flabellum (301) is laminated with the interior terminal surface of shell (1), and rubber strip (3011) is still installed to the outer terminal surface of flabellum (301), and the outer end part of rubber strip (3011) is cylindrical structure.
3. A smoke evacuation valve for a ventilation duct as claimed in claim 1, wherein: two limiting vertical plates (102) are further arranged in the shell (1), vertical clamping grooves (1021) are further formed in the surfaces of the limiting vertical plates (102), and when the fan blades (301) are in a closed state, the rubber strips (3011) are clamped in the vertical clamping grooves (1021).
4. A smoke evacuation valve for a ventilation duct as claimed in claim 1, wherein: a temperature sensor (4) is arranged at the front position inside the shell (1), and the temperature sensor (4) is electrically connected with the driving motor (2).
5. A smoke evacuation valve for a ventilation duct as claimed in claim 1, wherein: the utility model discloses a filter cartridge, including filter cartridge (5), connecting hole (501) have evenly been seted up to the lower terminal surface of filter cartridge (5), and filter cartridge (5) inside is filled with activated carbon, and a side shield is installed respectively to filter cartridge (5) lower extreme both sides, and the track groove has been seted up on the side shield surface, and lower baffle (601) slide the cartridge in the track groove on side shield surface through the T type piece of outer end.
6. A smoke evacuation valve for a ventilation duct as claimed in claim 1, wherein: a driving bevel gear (2011) is arranged on the surface of the driving shaft (201), the driving bevel gear (2011) is meshed with a driven bevel gear (701) at the left end of the driving rod (7), and the driving rod (7) is in threaded connection with the sliding block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223311880.3U CN219734232U (en) | 2022-12-09 | 2022-12-09 | Fume exhaust valve for ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223311880.3U CN219734232U (en) | 2022-12-09 | 2022-12-09 | Fume exhaust valve for ventilating duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734232U true CN219734232U (en) | 2023-09-22 |
Family
ID=88029241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223311880.3U Active CN219734232U (en) | 2022-12-09 | 2022-12-09 | Fume exhaust valve for ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734232U (en) |
-
2022
- 2022-12-09 CN CN202223311880.3U patent/CN219734232U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |