CN220581292U - Cabinet type centrifugal fan for fire-fighting smoke exhaust - Google Patents
Cabinet type centrifugal fan for fire-fighting smoke exhaust Download PDFInfo
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- CN220581292U CN220581292U CN202322007169.7U CN202322007169U CN220581292U CN 220581292 U CN220581292 U CN 220581292U CN 202322007169 U CN202322007169 U CN 202322007169U CN 220581292 U CN220581292 U CN 220581292U
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- fixed mounting
- cabinet body
- fire
- type centrifugal
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- 239000000779 smoke Substances 0.000 title claims abstract description 48
- 239000000428 dust Substances 0.000 claims abstract description 31
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 21
- 230000030279 gene silencing Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002265 prevention Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 230000000391 smoking effect Effects 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 239000003517 fume Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model provides a fire control smoke exhaust cabinet type centrifugal fan, includes fan cabinet body, base and driving motor, fan cabinet body fixed mounting is in the top of base, flame retardant coating fixed mounting is in the inside of fan cabinet body, support circle fixed mounting is inside the front end of fan cabinet body, the inboard fixed mounting of support circle has the dust screen, the front end fixed mounting of dust screen has many lugs. This fire control smoke exhaust cabinet type centrifugal fan can stimulate the movable block through electric putter and slide along the holding ring is inboard, then the movable block can stimulate transverse flap and perpendicular folded plate and remove backward, and the lug can be with folding transverse flap and perpendicular folded plate that blocks the dust entering and jack-up, and at this moment the fan cabinet body front end just can normally carry out smoking work, has utilized the structure that blocks dust entering fan main part inside in ordinary period and the mode that does not influence the smoke exhaust when taking place the conflagration long-range automatic opening for fire control smoke exhaust cabinet type centrifugal fan in-service use effect is better.
Description
Technical Field
The utility model relates to the technical field of electric scroll compressors for vehicles, in particular to a fire-fighting smoke-exhausting cabinet type centrifugal fan.
Background
The fire-fighting smoke exhaust fan is suitable for ventilation or high-temperature smoke exhaust of high-rise buildings, underground buildings, tunnels, drying rooms and the like. The fire-fighting smoke-discharging fan can continuously run for more than 30 minutes at the high temperature of 280 ℃, and the medium temperature is 100 ℃ for 20 hours/time without damage, so that the fire-fighting smoke-discharging fan is an ideal fire-fighting necessary facility, and most of the existing fire-fighting smoke-discharging fans are cabinet type centrifugal fans, although the fire-fighting smoke-discharging fan has good smoke-discharging function in the using process.
For example, the cabinet type centrifugal fire-fighting smoke exhaust fan with the authority of the publication number CN219159269U is designed on a damping base, vibration generated by a fan body is transmitted to a damping spring through a connecting rod and a sliding sleeve, and then the damping and buffering purposes are achieved by matching with a damper, so that noise generated by the fan body due to vibration is reduced, and the purpose of noise reduction is achieved.
However, the cabinet type centrifugal fire-fighting smoke exhaust fan has some problems when in use, for example, the cabinet type centrifugal fire-fighting smoke exhaust fan is not used because the front end of the cabinet type centrifugal fire-fighting smoke exhaust fan adopts a common opening structure, and the cabinet type centrifugal fire-fighting smoke exhaust fan needs to be installed in underground buildings and tunnels for a long time, and dust is easy to accumulate in the places, so that the air inlet at the front end of the opened cabinet type centrifugal fire-fighting smoke exhaust fan is easy to be blocked by dust, and when the fire-fighting smoke exhaust fan is started, the thicker dust can be involved in the interior of the fan to damage the interior of the fan, so that the cabinet type centrifugal fire-fighting smoke exhaust fan cannot be used, but the cabinet type centrifugal fire-fighting smoke exhaust fan is not easy to open when a dust blocking plate is installed at the front end of the cabinet type centrifugal fire-fighting smoke exhaust fan, so that the practical use effect of the cabinet type centrifugal fire-fighting smoke exhaust fan is poor.
Meanwhile, the existing cabinet type centrifugal fire-fighting smoke exhaust fan is not easy to damage due to the fact that the base structure for vibration reduction and noise reduction is arranged at the lower end of the fan, the cabinet type centrifugal fire-fighting smoke exhaust fan is required to be used in a fire scene, the lower portion of the cabinet type centrifugal fire-fighting smoke exhaust fan is difficult to bear high temperature due to the fact that the cabinet type centrifugal fire-fighting smoke exhaust fan is not high in fire temperature, the lower portion of the cabinet type centrifugal fire-fighting smoke exhaust fan is difficult to bear high temperature due to the fact that the damper sliding sleeve and the like are easy to damage, the damper and the sliding sleeve and the like are arranged below the cabinet type centrifugal fire-fighting smoke exhaust fan, replacement and repair can be carried out after the cabinet type centrifugal fire-fighting smoke exhaust fan is lifted and detached, the process is complicated, and the use cost of the cabinet type centrifugal fire-fighting smoke exhaust fan is increased.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a fire-fighting smoke-exhausting cabinet type centrifugal fan which has the effects of improving the use effect and reducing the use cost.
The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a fire control smoke exhaust cabinet type centrifugal fan, includes fan cabinet body, base and driving motor, fan cabinet body fixed mounting is in the top of base, the top fixed mounting of fan cabinet body has the roof, the internal side of fan cabinet is equipped with dustproof fire prevention structure, dustproof fire prevention structure includes flame retardant coating, holding ring and dust screen, flame retardant coating fixed mounting is in the inside of fan cabinet body, holding ring fixed mounting is inside the front end of fan cabinet body, the inboard fixed mounting of holding ring has the dust screen, the front end fixed mounting of dust screen has many lugs, has adopted high temperature resistant fire resistant ceramic to fill the metal layer through the flame retardant coating to make can protect inside the fan cabinet to be difficult to by the conflagration destruction, and the dust screen adopts the metal gauze that has certain hole mesh to make, and two perpendicular folded plates can close then will cross also fold the backstop in the front end of dust screen in ordinary times.
In order to further improve the design, a dustproof shielding convenient opening structure is arranged in front of the supporting ring;
the dustproof shielding convenient opening structure comprises a fixing frame, a positioning plate and a hinge;
the two locating plates are fixedly arranged in front of the supporting ring, the inner sides of the two locating plates are connected with movable blocks in a sliding mode, the front ends of the movable blocks are movably connected with a plurality of hinges, the outer sides of the hinges are hinged with two vertical folding plates, the outer sides of the hinges are hinged with two transverse folding plates, the rear sides of the movable blocks are fixedly connected with electric push rods, the two electric push rods are fixedly arranged at the top ends of fixing frames, the fixing frames are fixedly arranged on the inner walls of the fireproof layers, when a fire disaster occurs, fan bodies in the fan cabinet body are started, then the electric push rods are started simultaneously, the electric push rods can pull the movable blocks to slide along the inner sides of the supporting ring, then the movable blocks can pull the transverse folding plates and the vertical folding plates to move backwards, when the transverse folding plates and the vertical folding plates touch the protruding blocks, and the protruding blocks can be pushed open by the transverse folding plates and the vertical folding plates which can block dust to enter.
Further perfecting, two the cross folding plate swing joint is in the place ahead of perpendicular folded plate, and a plurality of the front ends of lug link to each other with the rear side activity of perpendicular folded plate, and two the movable block links to each other with the back up ring activity.
Further perfecting, a centrifugal fan smoke discharging structure is arranged in the fan cabinet;
the centrifugal fan smoke discharging structure comprises a fan main body, an induced draft groove and an exhaust cavity;
the fan main part fixed mounting is in the inboard of fan cabinet body, the both sides fixed mounting of fan main part has splint, two splint link to each other with the inside fixed of fan cabinet body, induced air groove fixed mounting is in the outside of fan main part, the rear side at induced air groove is fixedly seted up in the chamber of airing exhaust, splint fix the fan main part inside the fan cabinet body, induced air groove fixed mounting is in the outside of fan main part, induced air groove can be convenient for carry out the guidance with discharging fume, and the chamber of airing exhaust is fixed to be seted up in the rear side of induced air groove.
Further perfecting, the rear side of the fan cabinet body is provided with an exhaust silencing structure;
the exhaust silencing structure comprises a fixed block, an exhaust frame and a filter plate;
the exhaust frame is movably arranged at the rear side of the air blower cabinet body, two sides of the exhaust frame are fixedly connected with fixing blocks, a plurality of internal threads of the fixing blocks are connected with bolts, the front ends of the bolts are connected with the screw threads between the top plate and the base, a plurality of silencing holes are fixedly connected at the outer side of the exhaust frame, the filter plate is fixedly arranged in the exhaust frame, a channel is fixedly arranged at the rear side of the exhaust frame, the channel is opposite to the filter plate, can drive the fixed block through the bolt of tightening both sides and install the rear side at the fan cabinet body, noise elimination hole design can reduce the noise that produces because of vibration when exhausting for loudspeaker formula, filter fixed mounting is in the inside of frame of airing exhaust, the filter has adopted activated carbon adsorption plate to make can adsorb the filtration to the inside poisonous gas of fog of discharging fume, the rear side fixed mounting of frame of airing exhaust has the passageway, the smog that gets into the front end after the fan main part starts is discharged along the noise elimination hole through the passageway.
Further perfects, the top fixed mounting of roof has driving motor, one side fixedly connected with belt transmission structure of driving motor, belt transmission structure's opposite side and fan main part are fixed to link to each other, and the connection power starts driving motor, and driving motor can drive the work of fan main part through belt transmission structure.
The beneficial effects of the utility model are as follows: according to the utility model, the movable block is pulled to slide along the inner side of the supporting ring by the electric push rod, then the movable block can pull the transverse folded plate and the vertical folded plate to move backwards, the lug can push the transverse folded plate and the vertical folded plate which are closed to block dust from entering, at the moment, the front end of the fan cabinet body can normally carry out smoking work, the structure that dust is blocked from entering the inside of the fan main body in the normal period and the remote automatic opening mode without affecting smoke discharging when a fire disaster occurs are utilized, so that the actual use effect of the fire-fighting smoke-discharging cabinet type centrifugal fan is better.
Noise that produces because of vibration when can reducing the exhaust through the amortization hole design for loudspeaker formula, the rear side fixed mounting of frame of airing exhaust has the passageway, and the smog that gets into the front end after the fan main part starts is discharged along the amortization hole through the passageway, carries out direct amortization when having utilized the fan during operation to discharge fume and falls the structure of making an uproar, can be better avoid the conflagration to burn out original shock-absorbing structure and reduced the use cost of fire control smoke exhaust cabinet type centrifugal fan.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic front cross-sectional view of FIG. 1;
FIG. 3 is a schematic side cross-sectional view of FIG. 1;
FIG. 4 is an enlarged cross-sectional view of portion A of FIG. 2;
FIG. 5 is an enlarged cross-sectional view of the portion B of FIG. 3;
fig. 6 is an enlarged cross-sectional view of the portion C of fig. 3.
Reference numerals illustrate: in the figure: 1. the fan comprises a fan cabinet body, 2, a base, 3, a top plate, 4, a driving motor, 5, a belt transmission structure, 6, a centrifugal fan smoke discharging structure, 61, a fan main body, 62, a clamping plate, 63, a draught groove, 64, an exhaust cavity, 7, a dustproof fireproof structure, 71, a fireproof layer, 72, a supporting ring, 73, a dustproof net, 74, a convex block, 8, a dustproof shielding convenient opening structure, 81, a fixing frame, 82, an electric push rod, 83, a positioning plate, 84, a movable block, 85, a hinge, 86, a transverse folding plate, 87, a vertical folding plate, 9, an exhaust silencing structure, 91, a fixed block, 92, a bolt, 93, an exhaust frame, 94, a silencing hole, 95, a filter plate, 96 and a channel.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-6: the utility model provides a fire control smoke exhaust cabinet type centrifugal fan, including the fan cabinet body 1, base 2 and driving motor 4, fan cabinet body 1 fixed mounting is in the top of base 2, the top fixed mounting of fan cabinet body 1 has roof 3, fan cabinet body 1 inboard is equipped with dustproof fire prevention structure 7, dustproof fire prevention structure 7 includes flame retardant coating 71, support ring 72 and dust screen 73, flame retardant coating 71 fixed mounting is in the inside of fan cabinet body 1, flame retardant coating 71 adopts high temperature resistant fire resistant ceramic to pack the metal layer and makes can protect fan cabinet body 1 inside be difficult to by the conflagration destruction, support ring 72 fixed mounting is in the front end inside of fan cabinet body 1, the inboard fixed mounting of support ring 72 has dust screen 73, dust screen 73 adopts the metal gauze that has certain hole mesh to make, the front end fixed mounting of dust screen 73 has many lugs 74, the place ahead of support ring 72 is equipped with and shelters from convenient opening structure 8, the dustproof shielding convenient opening structure 8 comprises a fixing frame 81, a positioning plate 83 and a hinge 85, wherein the two positioning plates 83 are fixedly arranged in front of a supporting ring 72, the inner sides of the two positioning plates 83 are connected with a movable block 84 in a sliding manner, the front ends of the plurality of movable blocks 84 are movably connected with a plurality of hinges 85, the outer sides of the plurality of hinges 85 are hinged with two vertical folding plates 87, the outer sides of the plurality of hinges 85 are hinged with two transverse folding plates 86, the rear sides of the two movable blocks 84 are fixedly connected with an electric push rod 82, the two electric push rods 82 are fixedly arranged at the top ends of the fixing frame 81, the two fixing frames 81 are fixedly arranged on the inner wall of a fireproof layer 71, the two transverse folding plates 86 are movably connected in front of the vertical folding plates 87, the two vertical folding plates 87 are closed in a normal period and then the transverse folding plates 86 are blocked at the front end of a dustproof net 73, so that thick underground dust is not easy to enter the inside a cabinet body 1, when a fire disaster occurs, the fan main body 61 in the fan cabinet 1 is started, then the electric push rod 82 is started simultaneously, the electric push rod 82 pulls the movable block 84 to slide along the inner side of the supporting ring 72, then the movable block 84 pulls the transverse folded plate 86 and the vertical folded plate 87 to move backwards, when the transverse folded plate 86 and the vertical folded plate 87 touch the convex blocks 74, the convex blocks 74 push the transverse folded plate 86 and the vertical folded plate 87 which are closed to block dust from entering, at the moment, the front end of the fan cabinet 1 can normally perform smoking work, the front ends of the convex blocks 74 are movably connected with the rear side of the vertical folded plate 87, and the two movable blocks 84 are movably connected with the supporting ring 72;
the fire-proof layer 71 is made of a ceramic filling metal layer with high temperature resistance and fire resistance, the inside of the air cabinet body 1 can be protected, the dust screen 73 is made of a metal gauze with a certain hole, the two vertical folded plates 87 can be closed at normal time and then the horizontal folded plates 86 are folded up and blocked at the front end of the dust screen 73, so that heavy dust in the ground can be prevented from entering the inside of the air cabinet body 1 easily, then when a fire disaster occurs, the fan main body 61 in the air cabinet body 1 can be started, then the electric push rod 82 can be started simultaneously, the electric push rod 82 can pull the movable block 84 to slide along the inner side of the supporting ring 72, then the movable block 84 can pull the horizontal folded plates 86 and the vertical folded plates 87 to move backwards, when the horizontal folded plates 86 and the vertical folded plates 87 touch the protruding blocks 74, the horizontal folded plates 86 and the vertical folded plates 87 can be pushed open, at the front end of the air cabinet 1 can normally perform smoking work, the structure of normally blocking the dust from entering the inside of the fan main body and the remote automatic smoke-discharging mode is utilized when the fire disaster occurs, so that the centrifugal smoke discharging effect of the air cabinet is better for practical use.
The rear side of the fan cabinet 1 is provided with an exhaust silencing structure 9, the exhaust silencing structure 9 comprises a fixed block 91, an exhaust frame 93 and a filter plate 95, the exhaust frame 93 is movably mounted on the rear side of the fan cabinet 1, the two sides of the exhaust frame 93 are fixedly connected with the fixed block 91, the inner threads of the fixed blocks 91 are connected with bolts 92, the fixed block 91 can drive the exhaust frame 93 to be mounted on the rear side of the fan cabinet 1 by tightening the bolts 92 on the two sides, the front ends of the bolts 92 are in threaded connection with the top plate 3 and the base 2, the outer side of the exhaust frame 93 is fixedly connected with a plurality of silencing holes 94, the silencing holes 94 are designed to reduce noise generated by vibration during air exhaust, the filter plate 95 is fixedly mounted in the exhaust frame 93, the filter plate 95 is made of an activated carbon adsorption plate and can adsorb and filter toxic gas in the exhaust fume, a channel 96 is fixedly mounted on the rear side of the exhaust frame 93, and the smoke entering from the front end after the fan main body 61 is started is discharged through the channel 96 along the silencing holes 94, and the filter plate 95 is oppositely arranged;
can drive fixed block 91 through the bolt 92 of tightening both sides and install at the rear side of fan cabinet 1, the noise that noise reduction hole 94 design was because of vibration when can reducing the exhaust, filter 95 fixed mounting is in the inside of frame 93 of airing exhaust, filter 95 has adopted activated carbon adsorption plate to make can adsorb the inside poisonous gas of fog of discharging fume and filter, the rear side fixed mounting of frame 93 of airing exhaust has passageway 96, fan main part 61 starts the back with the smog of front end entering along noise reduction hole 94 discharge, the direct noise reduction structure of amortization of when having utilized the fan during operation to discharge fume carries out, the cost of use of fire control smoke discharging cabinet centrifugal fan has been reduced with original shock-absorbing structure burnout to the conflagration that can be better.
The inside of the fan cabinet body 1 is provided with a centrifugal fan smoke discharging structure 6, the centrifugal fan smoke discharging structure 6 comprises a fan main body 61, an induced air groove 63 and an exhaust cavity 64, the fan main body 61 is fixedly arranged on the inner side of the fan cabinet body 1, clamping plates 62 are fixedly arranged on two sides of the fan main body 61 and fixedly connected with the inner side of the fan cabinet body 1, the clamping plates 62 fix the fan main body 61 inside the fan cabinet body 1, the induced air groove 63 is fixedly arranged on the outer side of the fan main body 61, the induced air groove 63 can facilitate smoke discharging for guiding, the exhaust cavity 64 is fixedly arranged on the rear side of the induced air groove 63, a driving motor 4 is fixedly arranged above the top plate 3, one side of the driving motor 4 is fixedly connected with a belt transmission structure 5, the driving motor 4 is connected with a power supply for starting the driving motor 4, the driving motor 4 can drive the fan main body 61 through the belt transmission structure 5, the belt transmission structure 5 and the driving motor 4 are all in the prior art means in a comparison document, too much description and specific structure illustration are not made, and the other side of the belt transmission structure 5 is fixedly connected with the fan main body 61.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a fire control smoke exhaust cabinet type centrifugal fan, includes fan cabinet body (1), base (2) and driving motor (4), characterized by: the utility model discloses a fan cabinet body, including fan cabinet body (1), top fixed mounting, dust prevention structure (7), support collar (72) and dust screen (73), fire prevention layer (71) fixed mounting is in the top of base (2), the top fixed mounting of fan cabinet body (1) has roof (3), the inside of fan cabinet body (1) is equipped with dustproof fire prevention structure (7), dustproof fire prevention structure (7) include flame retardant coating (71), support collar (72) and dust screen (73), flame retardant coating (71) fixed mounting is in the inside of fan cabinet body (1), support collar (72) fixed mounting is inside the front end of fan cabinet body (1), the inboard fixed mounting of support collar (72) has dust screen (73), the front end fixed mounting of dust screen (73) has many lugs (74).
2. The fire smoke evacuation cabinet type centrifugal fan according to claim 1, wherein: a dustproof shielding convenient opening structure (8) is arranged in front of the supporting ring (72);
the dustproof shielding convenient opening structure (8) comprises a fixing frame (81), a positioning plate (83) and a hinge (85);
two locating plate (83) fixed mounting is in the place ahead of holding ring (72), two the inboard sliding connection of locating plate (83) has movable block (84), a plurality of front end swing joint of movable block (84) has a plurality of hinges (85), a plurality of the outside of hinge (85) articulates there are two perpendicular folded plates (87), a plurality of the outside of hinge (85) articulates there are two cross folded plates (86), two the rear side fixedly connected with electric putter (82) of movable block (84), two electric putter (82) fixed mounting is on the top of mount (81), two mount (81) fixed mounting is at the inner wall of flame retardant coating (71).
3. A fire smoke evacuation cabinet centrifugal fan according to claim 2, wherein: the two transverse folding plates (86) are movably connected to the front of the vertical folding plates (87), the front ends of the plurality of protruding blocks (74) are movably connected with the rear sides of the vertical folding plates (87), and the two movable blocks (84) are movably connected with the supporting ring (72).
4. The fire smoke evacuation cabinet type centrifugal fan according to claim 1, wherein: a centrifugal fan smoke discharging structure (6) is arranged in the fan cabinet body (1);
the centrifugal fan smoke discharging structure (6) comprises a fan main body (61), an induced air groove (63) and an exhaust cavity (64);
the fan body (61) fixed mounting is in the inboard of fan cabinet body (1), the both sides fixed mounting of fan body (61) have splint (62), two splint (62) link to each other with the inside of fan cabinet body (1) is fixed, induced air groove (63) fixed mounting is in the outside of fan body (61), the rear side in induced air groove (63) is offered in the fixed of chamber of airing exhaust (64).
5. The fire smoke evacuation cabinet type centrifugal fan according to claim 1, wherein: an exhaust silencing structure (9) is arranged at the rear side of the fan cabinet body (1);
the exhaust silencing structure (9) comprises a fixed block (91), an exhaust frame (93) and a filter plate (95);
the utility model discloses a fan frame, including fan frame body (1) and filter, fan frame body (1) are used for ventilating, fan frame (93) movable mounting is in the rear side of fan frame body (1), the both sides fixedly connected with fixed block (91) of fan frame (93), a plurality of the inside threaded connection of fixed block (91) has bolt (92), a plurality of the front end of bolt (92) links to each other with the screw thread between roof (3) and base (2), the outside fixedly connected with a plurality of amortization hole (94) of fan frame (93), filter (95) fixed mounting is in the inside of fan frame (93), the rear side fixedly mounted of fan frame (93) has passageway (96), passageway (96) set up with filter (95) relatively.
6. The fire smoke evacuation cabinet type centrifugal fan according to claim 1, wherein: the fan is characterized in that a driving motor (4) is fixedly arranged above the top plate (3), one side of the driving motor (4) is fixedly connected with a belt transmission structure (5), and the other side of the belt transmission structure (5) is fixedly connected with a fan main body (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007169.7U CN220581292U (en) | 2023-07-28 | 2023-07-28 | Cabinet type centrifugal fan for fire-fighting smoke exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322007169.7U CN220581292U (en) | 2023-07-28 | 2023-07-28 | Cabinet type centrifugal fan for fire-fighting smoke exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581292U true CN220581292U (en) | 2024-03-12 |
Family
ID=90116802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322007169.7U Active CN220581292U (en) | 2023-07-28 | 2023-07-28 | Cabinet type centrifugal fan for fire-fighting smoke exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581292U (en) |
-
2023
- 2023-07-28 CN CN202322007169.7U patent/CN220581292U/en active Active
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