CN218030691U - Centrifugal fire-fighting smoke exhaust fan - Google Patents

Abstract

The utility model relates to a centrifugal fire protection smoke exhaust fan relates to smoke exhaust fan technical field, which comprises a housing, rotate the fan of connecting in the casing, air intake and air outlet have been seted up on the casing, the one end that is close to the air outlet in the casing is equipped with drive fan pivoted first motor, the one end rotation that is close to the air intake in the casing is connected with the filter screen dish, be equipped with drive filter screen dish pivoted driving piece on the casing, be equipped with cleaning device on the filter screen dish, the casing diapire is equipped with detachable and collects the box, it is used for collecting the clean dust that falls of cleaning device to collect the box. This application is through setting up the collection box, and the dust that makes the cleanness fall falls into in collecting the box, reduces the dust and drops in the casing, and then blows the dust to the flabellum of fan when reducing the exhaust on, makes the flabellum smooth, improves the fan speed, makes wind-force increase, has the advantage that improves the efficiency that smoke exhaust fan discharged fume.

Description

Centrifugal fire control smoke exhaust fan

Technical Field

The utility model belongs to the technical field of smoke exhaust fan technique and specifically relates to a centrifugal fire control smoke exhaust fan is related to.

Background

The centrifugal fire-fighting smoke exhaust fan is a machine which increases gas pressure and exhausts gas by means of input mechanical energy, and is mainly applied to ventilation and smoke exhaust in high-rise buildings, underground buildings, tunnels and the like. Can run under high temperature, can in time discharge the flue gas when taking place the conflagration, reduce the harm of flue gas to the human body. When the centrifugal fire-fighting and smoke-discharging machine discharges smoke, the materials such as dust and the like are often discharged together, so that some centrifugal fire-fighting and smoke-discharging machines on the market have the function of cleaning dust.

The centrifugal fire control smoke exhaust fan of correlation technique for CN215672906U like the bulletin number, which comprises a bod, the organism inner chamber is provided with the screen frame, be provided with the filter screen in the screen frame, still include clean mechanism, clean mechanism includes drive unit and execution unit, drive unit is used for driving the screen frame and rotates in the organism, execution unit includes the clean module of symmetry setting in screen frame both sides, clean module includes fixed plate and electric telescopic handle, the articulated setting in organism inner chamber of fixed plate, and the side that the fixed plate keeps away from the organism inner chamber is provided with the brush, electric telescopic handle's one end is articulated with the fixed plate side, the other end is articulated with the organism inner chamber.

With respect to the above-described related art, the inventors found that: when the dust on the clearance filter screen dish, the dust that the brush was swept away drops in the position that the organism is close to the air intake, and after restarting first motor and airing exhaust, the wind that gets into in the organism can blow the dust to the fan piece on, makes the dust adhesion on the fan piece, leads to the fan piece surface unsmooth, reduces the fan rotational speed, makes wind-force reduce to reduce the efficiency that smoke exhaust fan discharged fume.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency that smoke exhaust fan discharged fume, the purpose of this application provides a centrifugal fire control smoke exhaust fan.

The application provides a centrifugal fire control smoke exhaust fan adopts following technical scheme:

the utility model provides a centrifugal fire control smoke exhaust fan, includes the casing, rotate connect in fan in the casing, air intake and air outlet have been seted up on the casing, be close to in the casing the one end of air outlet is equipped with the drive fan pivoted first motor, be close to in the casing the one end of air intake is rotated and is connected with the filter screen dish, be equipped with the drive on the casing filter screen dish pivoted driving piece, be equipped with cleaning device on the filter screen dish, the casing diapire is equipped with detachable and collects the box, it is used for collecting the clean dust that falls of cleaning device to collect the box.

Through adopting above-mentioned technical scheme, when the dust on the clearance filter screen dish, start the driving piece, make driving piece drive filter screen dish rotate. The cleaning device is then activated to clean the filter screen discs from dust. The dust that clears up drops to collecting the box downwards, then will collect the box and pull down from the casing diapire, will collect the dust clearance in the box and fall, installs the collection box after will clearing up again on the casing diapire. Through setting up the collection box, make the clean dust that falls fall into the collection box, reduce the dust and drop in the casing, and then blow the dust to the flabellum of fan when reducing the exhaust on, make the flabellum smooth, improve the fan rotational speed, make wind-force increase to improve the efficiency that smoke exhaust fan discharged fume.

Optionally, a rotating shaft is arranged in the casing, the filter screen disc rotates on the rotating shaft, supporting plates are fixed at two ends of the rotating shaft, the lower ends of the supporting plates are fixedly connected to the inner wall of the casing, and the collecting box is located between the supporting plates.

Through adopting above-mentioned technical scheme, when the dust on the clearance filter screen dish, start the driving piece, driving piece drive filter screen dish rotates in the pivot. And then the cleaning device is started to clean the dust on the filter screen disc, and the filter screen disc is positioned right above the collecting box because the collecting box is positioned between the supporting plates, so that the cleaned dust can fall into the collecting box, and the dust is reduced from falling into the casing.

Optionally, the rotating shaft is fixedly provided with cleaning rods located on two sides of the filter screen disc, brushes are arranged on the cleaning rods, and the brushes are in sliding butt joint with the filter screen disc.

Through adopting above-mentioned technical scheme, when the clearance dust, start the driving piece, driving piece drive filter screen dish rotates. After the filter screen disc rotates, the hairbrushes on the two sides respectively slide and abut against the two sides of the filter screen disc, dust on the two sides of the filter screen disc is swept downwards, and the swept dust falls into the collection box. Through the cleaning rods arranged on the two sides, dust on the two sides of the filter screen disc can be cleaned, so that the filter screen disc is convenient to clean.

Optionally, a groove for allowing the collecting box to vertically slide in is formed in the bottom wall of the casing, fixing blocks are arranged on two sides of the collecting box, a fixing groove for allowing the fixing blocks to insert is formed in the bottom wall outside the casing, and a fixing piece for plugging the fixing blocks in the fixing groove is arranged on the casing.

Through adopting above-mentioned technical scheme, when dismantling and collect the box, make the mounting relieve the shutoff to the fixed block, then the box is collected in the downward pulling, makes and collects the box upper end along in the vertical direction roll-off casing. The collecting box moves the fixing block to move downwards, so that the fixing block slides out of the fixing groove, and the collecting box is separated from the machine shell. Then after the dust in the collection box is cleared up, the collection box is moved towards the direction close to the bottom wall of the machine shell, the collection box moves the fixing block to slide upwards into the groove, and the upper end of the collection box slides into the machine shell along the groove. Then the fixed block is plugged in the groove through the fixing piece, so that the collecting box is fixed with the bottom wall of the machine shell, and the collecting box is convenient to disassemble.

Optionally, the fixing element includes a fixing rod rotatably connected to the outer bottom wall of the casing, and the fixing rod abuts against the bottom wall of the fixing block located in the fixing groove.

Through adopting above-mentioned technical scheme, when will collect the box and install to the casing diapire on, will collect the box and move towards being close to the casing diapire direction, collect in the cassette tape moves fixed block upwards and slides in the recess, collect the box upper end along in the recess slides in the casing. Then the fixed rod is rotated to enable the fixed rod to abut against the side wall of the fixed block so as to plug the fixed block in the fixed groove, and then the collecting box is fixed with the bottom wall of the machine shell, so that the collecting box is convenient to fix.

Optionally, two sides of the collecting box in the casing are hinged with cover plates, and the cover plates are used for covering the collecting box.

Through adopting above-mentioned technical scheme, when the dust in the clearance collection box, the clean dust that falls drops to in the collection box, then rotates the apron, makes the apron of both sides be close to each other, until the mutual butt in apron both ends, two apron of looks butt cover in collecting the box upper end to cover collecting the box upper end. And then the collection box is detached from the bottom wall of the machine shell after the cover is closed, and dust in the collection box is cleaned. The dust weight is lighter, and through setting up the apron, the dust atress when reducing to dismantle the collection box drifts out the collection box, drifts to in the casing or subaerial to be convenient for clear up the dust.

Optionally, a magnetic part is arranged on the side wall of the cover plate, a metal edge is arranged on the side wall of the adjacent cover plate, the side wall of the adjacent cover plate is adsorbed on the magnetic part, and the magnetic part is used for fixing the abutting state of the two adjacent cover plates.

Through adopting above-mentioned technical scheme, when the apron covers the collection box, rotate the apron, make the apron of both sides be close to each other. After the apron rotated to the level, the metal limit on the apron adsorbs on the magnetic part of adjacent apron, makes the mutual butt of tip of two apron to cover on will collecting the box, thereby strengthen the steadiness of the mutual butt of apron.

Optionally, a push rod is arranged on the cover plate and penetrates through the casing in a sliding manner, and a sliding groove for sliding of the push rod is formed in the side wall of the casing.

Through adopting above-mentioned technical scheme, when the dust on the clearance filter screen dish, from the casing pulling push rod outward, make the push rod slide in the spout, the push rod drives the apron and moves towards keeping away from adjacent apron direction to relieve two apron butt states. Then the cover plate is rotated to the horizontal state, so that the upper end of the collecting box is exposed, the cleaned dust falls into the collecting box, and the cover plate is rotated from the outer side of the machine shell.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the collecting box, the cleaned dust falls into the collecting box, the dust is reduced from falling into the shell, the dust is further reduced from blowing to fan blades of the fan during air exhaust, the fan blades are smooth, the rotating speed of the fan is increased, the wind power is increased, and therefore the smoke exhaust efficiency of the smoke exhaust fan is improved;

2. through the arrangement of the cleaning rods on the two sides, dust on the two sides of the filter screen disc can be cleaned, so that the filter screen disc is convenient to clean;

3. through the arrangement of the cover plate, dust is prevented from falling out of the collecting box under the stress when the collecting box is detached and falling into the machine shell or the ground, so that the dust is convenient to clean;

4. through setting up the magnetic part, make the mutual butt of the tip of two apron to cover collection box upper end, thereby strengthen the steadiness of the mutual butt of apron.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present application.

FIG. 2 is a schematic cross-sectional view of a collection box according to an embodiment of the present application

Fig. 3 is a schematic structural diagram for showing a filter screen disc according to an embodiment of the present application.

Description of the reference numerals: 1. a housing; 11. a filter screen disc; 12. a drive member; 121. a second motor; 122. a main gear; 123. a ring gear; 124. a fixed mount; 13. a cleaning device; 14. a collection box; 141. a groove; 142. a fixed block; 143. fixing grooves; 144. fixing the rod; 145. a cover plate; 146. a metal edge; 147. a magnetic member; 148. a push rod; 149. a chute; 15. a rotating shaft; 151. cleaning the rod; 152. a brush; 153. a support plate; 2. a fume extractor; 21. a fan; 22. a first motor; 23. a fixing plate; 3. an air inlet; 4. and (7) an air outlet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses centrifugal fire control smoke exhaust fan.

Referring to fig. 1 and 2, the smoke exhaust fan comprises a casing 1 and a smoke exhaust device 2 located in the casing 1, wherein an air inlet 3 is formed in one end of the casing 1, an air outlet 4 is formed in the other end of the casing 1, and a collection box 14 is arranged on the bottom wall of the casing 1 in a sliding manner.

Referring to fig. 2, the smoke exhaust device 2 includes a fixing plate 23 fixedly connected in the casing 1, a first motor 22 fixed on the fixing plate 23, and a fan 21 coaxially connected to an output shaft of the first motor 22. The fan 21 is located on the side close to the inlet port 3, the rotation shaft of the fan 21 extends in the horizontal direction, and the first motor 22 is located on the side close to the outlet port 4.

Referring to fig. 2, a support plate 153 is fixed in the housing 1 side by side, a rotation shaft 15 is fixedly connected to an upper end of the support plate 153, and both ends of the rotation shaft 15 are connected to the support plate 153. The filter screen disc 11 is rotatably connected to the rotating shaft 15 in the casing 1, the filter screen disc 11 rotates on the rotating shaft 15, and the support plate 153 and the rotating shaft 15 mount the filter screen disc 11 in the casing 1, so that the filter screen disc 11 rotates in the casing 1.

Referring to fig. 2, the filter screen disc 11 is located on a side close to the air inlet 3, and a rotation axis of the filter screen disc 11 extends in a horizontal direction. A driving part 12 for driving the filter screen disc 11 to rotate is arranged on the machine shell 1, and a cleaning device 13 is arranged on the filter screen disc 11.

Referring to fig. 2 and 3, the driving member 12 includes a fixing frame 124 fixed on an outer wall of the housing 1, a second motor 121 fixed on one side of the fixing frame 124, a main gear 122 coaxially connected to an output shaft of the second motor 121, and a gear ring 123 sleeved on a circumferential side wall of the strainer tray 11, wherein the main gear 122 rotates in the fixing frame 124, and the main gear 122 is engaged with an outer side of the gear ring 123. The upper end of the main gear 122 is mounted outside the casing 1 by the fixing frame 124, and the lower end of the main gear 122 extends into the casing 1 to be meshed with the pinion. After the second electric motor 121 is started, the output shaft of the second electric motor 121 drives the main gear 122 to rotate, the main gear 122 drives the gear ring 123 to rotate, and the gear ring 123 rotates to start the rotation of the filter screen disc 11.

Referring to fig. 2, the cleaning device 13 includes a plurality of cleaning rods 151 fixed to the shaft 15, and a brush 152 fixed to a side of the cleaning rods 151 adjacent to the filter disk 11. The cleaning rods 151 are located on both sides of the filter screen disc 11, and the brushes 152 are slidably abutted against both sides of the filter screen disc 11. After the filter screen disc 11 rotates, the brush 152 slides and abuts against the dust on the filter screen disc 11, and along with the rotation of the filter screen disc 11, the brush 152 sweeps the dust on both sides of the filter screen disc 11 downwards.

Referring to fig. 2, a groove 141 for allowing the collecting box 14 to slide along the vertical direction is formed in the bottom wall of the housing 1, and the upper end of the collecting box 14 extending into the housing 1 is located right below the filter screen disc 11 and between the supporting plates 153. The dust swept by the brush 152 falls down into the collecting box 14, reducing the dust falling into the casing 1, and thus reducing the dust blowing on the fan blades.

Referring to fig. 2 and 3, fixing blocks 142 are fixed to both ends of the collecting box 14, and fixing grooves 143 for inserting the fixing blocks 142 are formed on the bottom wall of the exterior of the cabinet 1. A fixing rod 144 is rotatably connected to the bottom wall outside the casing 1, and a rotation axis of the fixing rod 144 extends in a vertical direction. After the collection box 14 is moved upwards, the collection box 14 slides into the machine case 1 along the vertical direction, the collection box 14 drives the fixing block 142 to be inserted into the fixing groove 143, and then the fixing rod 144 is rotated to enable the fixing rod 144 to abut against the side wall of the fixing block 142, so that the fixing block 142 is blocked in the fixing groove 143, the collection box 14 is limited to slide downwards out of the machine case 1, and therefore the collection box 14 is fixed at the bottom of the machine case 1 conveniently.

Referring to fig. 3, the two ends of the collecting box 14 extending into the casing 1 are hinged with cover plates 145, the hinge axis of the cover plate 145 extends along the horizontal direction, one end of the cover plate 145 is fixed with a metal edge 146, and one end of the adjacent cover plate 145 is fixed with a magnetic member 147. The metal rim 146 is selected to be an iron rim in this embodiment of the application, and the magnetic member 147 is selected to be a magnet in this embodiment of the application. After the two cover plates 145 abut, the metal rim 146 is attracted to the magnetic member 147 to cover the upper end of the collecting box 14.

Referring to fig. 1 and 3, a push rod 148 is fixed at one end of the cover plate 145 close to the adjacent cover plate 145, and one end of the push rod 148 far from the cover plate 145 penetrates through the casing 1 and extends out of the casing 1. The outer wall of the casing 1 is provided with a sliding groove 149 for the sliding of the push rod 148, the push rod 148 is pulled to slide in the sliding groove 149, the push rod 148 drives the cover plate 145 to move towards the direction away from the adjacent cover plate 145, so that the adjacent two cover plates 145 are released from the abutting state, the cover plate 145 is directly opened from the outside of the casing 1, the upper end of the collecting box 14 is exposed, and the cleaned dust falls into the collecting box 14.

The implementation principle of this application embodiment centrifugal fire control smoke exhaust fan does: when cleaning dust on the filter screen disc 11, the push rod 148 is pulled first, so that the push rod 148 slides in the sliding groove 149, and the push rod 148 drives the cover plate 145 to move in a direction away from the adjacent cover plate 145, so as to release the abutting state between the cover plates 145, and expose the upper end of the collecting box 14. The drive member 12 is then activated, and the drive member 12 drives the screen disc 11 in rotation. After the filter screen disc 11 rotates, the brush 152 slides to abut against the dust on the filter screen disc 11, the brush 152 sweeps the dust, and the swept dust falls down into the collecting box 14. Then the push rod is pulled, the push rod slides in the sliding groove, the push rod drives the cover plates 145 to move towards the direction close to the adjacent cover plates 145, so that the end parts of the two adjacent covers are abutted, and the metal edge 146 is adsorbed on the magnetic piece 147. Then the fixing rod 144 is rotated to release the blockage of the fixing block 142. The collecting box 14 is pulled downwards, so that the collecting box 14 slides out of the groove 141, the collecting box 14 drives the fixing block 142 to slide out of the fixing groove 143 downwards, the collecting box 14 is separated from the machine shell 1, then dust in the collecting box 14 is cleaned, the dust is reduced and falls into the machine shell 1, the dust is further reduced and blown onto fan blades, the rotating speed of the fan 21 is increased, wind power is increased, and the smoke exhaust efficiency of the smoke exhaust fan is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a centrifugal fire control smoke exhaust fan which characterized in that: including casing (1), rotate connect in fan (21) in casing (1), air intake (3) and air outlet (4) have been seted up on casing (1), be close to in casing (1) the one end of air outlet (4) is equipped with the drive fan (21) pivoted first motor (22), be close to in casing (1) the one end of air intake (3) is rotated and is connected with filter screen dish (11), be equipped with the drive on casing (1) filter screen dish (11) pivoted driving piece (12), be equipped with cleaning device (13) on filter screen dish (11), casing (1) diapire is equipped with detachable and collects box (14), it is used for collecting the clean dust that falls of cleaning device (13) to collect box (14).

2. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: be equipped with pivot (15) in casing (1), filter screen dish (11) rotate in on pivot (15), the both ends of pivot (15) are fixed with backup pad (153), backup pad (153) lower extreme fixed connection in on casing (1) inner wall, collect box (14) and be located between backup pad (153).

3. The centrifugal fire-fighting smoke exhaust fan according to claim 2, characterized in that: be fixed with on pivot (15) and be located clean pole (151) of filter screen dish (11) both sides, be equipped with brush (152) on clean pole (151), brush (152) slip butt in on filter screen dish (11).

4. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: the improved garbage collector is characterized in that a groove (141) for allowing the collecting box (14) to vertically slide in is formed in the bottom wall of the machine shell (1), fixing blocks (142) are arranged on two sides of the collecting box (14), fixing grooves (143) for allowing the fixing blocks (142) to be inserted are formed in the outer bottom wall of the machine shell (1), and fixing pieces for plugging the fixing blocks (142) into the fixing grooves (143) are arranged on the machine shell (1).

5. The centrifugal fire-fighting smoke exhaust fan according to claim 4, characterized in that: the fixing piece comprises a fixing rod (144) rotatably connected to the outer bottom wall of the machine shell (1), and the fixing rod (144) abuts against the bottom wall of the fixing block (142) in the fixing groove (143).

6. The centrifugal fire-fighting smoke exhaust fan according to claim 1, characterized in that: two sides of the collecting box (14) in the machine shell (1) are hinged with cover plates (145), and the cover plates (145) are used for covering the collecting box (14).

7. The centrifugal fire-fighting smoke exhaust fan according to claim 6, characterized in that: the side wall of the cover plate (145) is provided with a magnetic part (147), the side wall of the cover plate (145) is provided with a metal edge (146), the side wall of the cover plate (145) is attached to the magnetic part (147), and the magnetic part (147) is used for fixing the abutting state of the two adjacent cover plates (145).

8. The centrifugal fire-fighting smoke exhaust fan according to claim 6, characterized in that: be equipped with push rod (148) on apron (145), push rod (148) slide and run through casing (1), seted up on casing (1) lateral wall and supplied push rod (148) spout (149) that slide.

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