CN219062094U

CN219062094U - Automatic cleaning device for exhaust fan

Info

Publication number: CN219062094U
Application number: CN202223421639.6U
Authority: CN
Inventors: 苗建松; 林玉鹏; 陈卓如; 苏君康; 尤晓慧; 孙放; 徐滨泽
Original assignee: Shenzhen Dazheng Construction Engineering Consulting Co ltd
Current assignee: Shenzhen Dazheng Construction Engineering Consulting Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-23
Anticipated expiration: 2032-12-20

Abstract

The application relates to an exhaust fan self-cleaning device, it includes casing, a plurality of shower nozzle of group, connecting block, screw rod, motor and a plurality of brush head, be provided with the exhaust fan in the casing, the small one end of cross-sectional area of casing is provided with the air intake, the big one end of casing cross-sectional area is provided with the air outlet, the air intake of casing still is provided with the dust screen, the shower nozzle sets up in the top of dust screen both sides, the motor is fixed to be set up in the casing, the screw rod sets up in the casing along vertical direction and rotates with the casing to be connected, the output shaft of motor passes through the one end connection of shaft coupling and screw rod, connecting block threaded connection is in the screw rod, brush head and connecting block fixed connection, brush hair on the brush head can the butt dust screen.

Description

Automatic cleaning device for exhaust fan

Technical Field

The application relates to the field of cleaning devices, in particular to an automatic cleaning device for an exhaust fan.

Background

The exhaust fan can store a lot of dust on the blade of fan after long-time use, because these dust adhesion is on the blade of fan, and install in the shell of fan when the blade of fan, and operating personnel is difficult for using the instrument to clear up the fan, often need to pass through loaded down with trivial details dismantlement side and can clear up the exhaust fan.

The Chinese patent No. CN2009202309921 provides a dustproof cleaning fan and a dustproof net automatic cleaning device, which comprises a cleaning fan shell arranged on the outer side of the dustproof net, a cleaning fan rotating blade, a cleaning fan rotating shaft and a brush head rotating together with the cleaning fan rotating blade. The dust screen automatic cleaning device comprises a radiating fan arranged on the inner side of the dust screen, a dust screen cleaning fan arranged on the outer side of the dust screen, and a fan control circuit for controlling the radiating fan and the cleaning fan to alternately work; the dust screen cleaning fan comprises a fan shell, a fan rotating blade, a fan rotating shaft and a brush head rotating together with the fan rotating blade.

According to the technical scheme, the device mainly drives the brush head to brush one side of dust accumulated on the dust screen when the fan rotates, so that the dust removing effect is achieved, and the brushed dust is blown out of the fan through the cleaning fan, so that the cleaning effect is achieved. However, all dust cannot be cleaned up only by brushing, and the accumulated dust is accumulated to form a block which cannot pass through the dust screen, and the dust can be guided out to fly away after brushing by the brush head, so that the cleaning efficiency is poor.

Disclosure of Invention

In order to improve cleaning efficiency, avoid the condition that the dust flies in disorder, this application provides an exhaust fan self-cleaning device.

The application provides an exhaust fan self-cleaning device adopts following technical scheme:

the utility model provides an exhaust fan self-cleaning device, includes casing, a plurality of shower nozzle of group, connecting block, screw rod, motor and a plurality of brush head, be provided with the exhaust fan in the casing, the small one end of casing cross-sectional area is provided with the air intake, the big one end of casing cross-sectional area is provided with the air outlet, the air intake of casing still is provided with the dust screen, the shower nozzle sets up in the top of dust screen both sides, the motor is fixed to be set up in the casing, the screw rod sets up in the casing along vertical direction and rotates with the casing to be connected, the output shaft of motor passes through the one end connection of shaft coupling with the screw rod, connecting block threaded connection is in the screw rod, brush head and connecting block fixed connection, brush hair on the brush head can the butt dust screen.

Through adopting above-mentioned technical scheme, when the exhaust fan is in air inlet end one side can inhale a large amount of dust in the air, and the dust screen can keep off these dust down, and the motor that sets up inside the casing can drive the screw rod and rotate, drives threaded connection in the connecting block of screw rod and can be along the screw rod reciprocating motion, and the brush head of connecting on the screw rod can brush the dust screen, sets up simultaneously on the casing top and be located the shower nozzle of dust screen both sides and can wash away the dust screen, is difficult for taking place the brush head and brushes the phenomenon that the in-process dust splashes of sweeping.

Optionally, be provided with first bracing piece in the casing, one side that the dust screen was kept away from the screw rod is close to first bracing piece, first bracing piece is parallel to each other with the screw rod, connecting block sliding connection is in first bracing piece.

Through adopting above-mentioned technical scheme, first bracing piece can play the auxiliary stay effect to the connecting block, is difficult for appearing having the connecting block of certain length to take place the circumstances of deformation, is favorable to keeping the equilibrium of connecting block.

Optionally, the bottom of the air intake of casing is provided with the guide plate that sets up towards the slope of air outlet bottom, the guide plate sets up in the below of dust screen.

Through adopting above-mentioned technical scheme, the baffle can accept the sewage that is brushed down by the brush head of top to with its water conservancy diversion, be difficult for appearing the brush head brush and sweep debris accumulation jam's the condition down.

Optionally, a water spray head is arranged at one end of the guide plate, which is close to the air inlet.

Through adopting above-mentioned technical scheme, the sprinkler bead can sweep the brush head and sweep the debris that falls into the guide plate and wash away to make these debris and sewage faster derive through the guide plate, be favorable to the cleanness of exhaust fan.

Optionally, a collecting box is arranged on one side of the shell close to the air outlet, and one end of the guide plate away from the air inlet is located above the collecting box.

Through adopting above-mentioned technical scheme, collect the waste water that the box can come with the guide plate water conservancy diversion and collect, the inside condition of waste water mess stream pollution casing is difficult for appearing, and operating personnel only need regularly clear up the box of collecting can guarantee the inside clean and tidy of casing.

Optionally, a sliding rail is arranged on the vertical side wall of the shell, and the collecting box is slidably connected to the sliding rail.

Through adopting above-mentioned technical scheme, collect box sliding connection in the slide rail, the sliding mounting that operating personnel can be more convenient collects the box.

Optionally, the air outlet of the shell is provided with a plurality of baffles, and the baffles are parallel to each other.

Through adopting above-mentioned technical scheme, the baffle sets up in the air outlet of casing can prevent that external large-scale debris from getting into in the casing, can reduce that rubbish from getting into the casing and blocking up the fan and cause the condition that the fan can't operate even damage to appear.

Optionally, be provided with the second bracing piece in the casing, connecting block sliding connection is in the second bracing piece, be connected with the scraper blade on the connecting block, be provided with on the scraper blade and scrape the claw, scrape claw perpendicular to baffle, the scraping claw of scraper blade imbeds in the clearance between the adjacent baffle.

Through adopting above-mentioned technical scheme, the stability of balanced connecting block can be assisted to the second support, and when the motor starts, the screw rod is carried by the output shaft of motor and is rotated, and the connecting block can be along the screw rod reciprocating motion along the start of motor this moment, and the scraping claw on the scraper blade of setting on the connecting block can be along the reciprocating motion in the clearance of baffle of the motion of connecting block to scrape the debris that probably exists on the baffle and get off.

Optionally, the shell is connected with the end cover in a rotating way, and the end cover can open and close a gap between the baffle at the air outlet of the shell and the collecting box in the vertical direction.

Through adopting above-mentioned technical scheme, the end cover can prevent that external debris from getting into the operation that the casing inner chamber caused the exhaust fan from the gap between baffle and the collection box, is favorable to improving the reliability of exhaust fan.

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

1. when the exhaust fan operates, a large amount of dust in the air can be sucked into one side of the air inlet end, the dust screen can stop the dust, a motor arranged in the shell can drive the screw rod to rotate, a connecting block which is in threaded connection with the screw rod is driven to reciprocate along the screw rod, a brush head connected to the screw rod can brush the dust screen, and meanwhile, nozzles arranged at the top end of the shell and positioned on two sides of the dust screen can wash the dust screen, so that dust splashing phenomenon in the brushing process of the brush head is not easy to occur;

2. the guide plate can receive and guide the sewage which is brushed down by the upper brush head, so that the situation that sundries brushed down by the brush head are accumulated and blocked is not easy to occur;

drawings

Fig. 1 is a schematic structural view of an air inlet of the present application.

Fig. 2 is a schematic view of the structure of the interior shown after hiding the case in the present application.

Fig. 3 is a schematic structural diagram of the air outlet of the present application.

Reference numerals illustrate: 1. a housing; 11. an exhaust fan; 12. a dust screen; 121. a spray head; 13. a motor; 14. a screw; 141. a connecting block; 15. a first support bar; 16. a slide rail; 17. a second support bar; 18. an air inlet; 19. an air outlet; 2. a brush head; 3. a deflector; 31. a water spray head; 4. a collection box; 5. a baffle; 6. a scraper; 61. scraping claws; 7. an end cap.

Detailed Description

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

The embodiment of the application discloses an exhaust fan self-cleaning device.

Referring to fig. 1 and 2, an automatic cleaning device for an exhaust fan 11 includes a housing 1, two groups of spray heads 121, a connecting block 141, a screw 14, a motor 13 and a plurality of brush heads 2, the exhaust fan 11 is arranged in the housing 1, an air inlet 18 is arranged at one end of the housing 1 with smaller cross-sectional area, an air outlet 19 is arranged at one end of the housing 1 with larger cross-sectional area, a dust screen 12 is arranged at the air inlet 18 close to the inner cavity of the housing 1, and the dust screen 12 can well block dust sucked by the exhaust fan 11 in air, so that the situation that the fan is polluted by dust is not easy to occur. Two sets of shower nozzles 121 set up respectively in the top of dust screen 12 both sides, and shower nozzle 121 connect the water pipe and can carry out the wet processing with the dust on the dust screen 12, and can wash dust screen 12 to prevent dust screen 12 deposition and lead to exhaust effect variation of exhaust fan 11. The motor 13 is fixedly arranged in the shell 1, the motor 13 is connected with a timing sensor, the screw 14 is arranged in the shell 1 along the vertical direction, the screw 14 is rotationally connected to the shell 1, an output shaft of the motor 13 is connected with one end of the screw 14 through a coupler, and the connecting block 141 is in threaded connection with the screw 14. The operator timing sensor sends out a signal to start the motor 13, and the motor 13 can drive the screw 14 to rotate, so that the connecting block 141 on the screw 14 can be driven to reciprocate along the screw 14. The brush head 2 is fixedly connected with the connecting block 141, and the brush hair on the brush head 2 can be abutted against the dust-proof net 12. The brush head 2 can reciprocate along the screw rod 14 along with the connecting block 141, so that both sides of the dust screen 12 are brushed, dust which is wetted by water sprayed by the spray head 121 on the dust screen 12 is brushed down, and the dust is not easy to block the dust screen 12.

As shown in fig. 2, a first supporting rod 15 is disposed in the housing 1, the first supporting rod 15 is close to one side of the dust screen 12 far away from the first screw 14, the first supporting rod 15 is parallel to the screw 14, and the connecting block 141 is slidably connected with the first supporting rod 15. The first support rod 15 can play an auxiliary supporting role on the connecting block 141, and the situation that the connecting block 141 with a certain length deforms is difficult to occur, so that the stability of the connecting block 141 is maintained.

Referring to fig. 1 and 2, a deflector 3 inclined toward the bottom end of an air outlet 19 is disposed at the bottom end of an air inlet 18 of a casing 1, the deflector 3 is disposed below a dust screen 12, and the deflector 3 can receive sewage brushed off by an upper brush head 2 and guide the sewage, so that the situation that sundries brushed off by the brush head 2 are accumulated and blocked is not easy to occur. The one end that the guide plate 3 is close to the air intake 18 is provided with the sprinkler bead 31, and the sprinkler bead 31 can brush the brush head 2 and sweep the debris that falls into the guide plate 3 and wash away to make these debris and sewage faster export through the guide plate 3, be favorable to the cleanness of exhaust fan 11.

Referring to fig. 2, one side of the casing 1, which is close to the air outlet 19, is provided with a collecting box 4, one end of the guide plate 3, which is far away from the air inlet 18, is located above the collecting box 4, the collecting box 4 can collect waste water guided by the guide plate 3, the situation that waste water is in turbulent flow and pollutes the inside of the casing 1 is not easy to occur, an operator only needs to clean the collecting box 4 for a period of time, the cleanliness of the exhaust fan 11 can be guaranteed, and the labor intensity of the operator can be reduced. The bottom of casing 1 is provided with slide rail 16, collects box 4 sliding connection in slide rail 16, and operating personnel can more convenient slidable mounting collect box 4 to alleviate operating personnel's intensity of labour.

Referring to fig. 2 and 3, the air outlet 19 of the housing 1 is provided with a plurality of baffles 5, and adjacent baffles 5 are parallel to each other. The baffle 5 sets up in the air outlet 19 of casing 1 can prevent that external large-scale debris from getting into in the casing 1, the difficult condition that the fan can't operate even damage that the fan is blocked to the difficult rubbish entering casing 1 that appears. The second support plate is arranged in the shell 1, the connecting block 141 is connected to the second support rod 17 in a sliding mode, the scraping plate 6 is connected to the connecting block 141, the scraping claw 61 is arranged on the scraping plate 6, the scraping claw 61 is perpendicular to the baffle 5, and the scraping claw 61 of the scraping plate 6 can be embedded into a gap between the adjacent baffles 5. When the motor 13 is started, the screw rod 14 is driven to rotate by the output shaft of the motor 13, at this time, the connecting block 141 can reciprocate along the screw rod 14 along with the start of the motor 13, and the scraping claw 61 on the scraping plate 6 arranged on the connecting block 141 can reciprocate in the gap of the baffle 5 along with the movement of the connecting block 141, so that impurities possibly existing on the baffle 5 can be scraped off, and the smooth exhaust of the exhaust fan 11 can be guaranteed.

As shown in fig. 1, the casing 1 is further rotatably connected with an end cover 7, the end cover 7 can open and close a gap between the baffle 5 and the collecting box 4 at the air outlet 19 of the casing 1, and the end cover 7 can prevent external impurities from entering the inner cavity of the casing 1 from the gap between the baffle 5 and the collecting box 4 to cause adverse effects on the operation of the exhaust fan 11, thereby being beneficial to improving the reliability of the exhaust fan 11.

The implementation principle of the automatic cleaning device for the exhaust fan 11 in the embodiment of the application is as follows: the exhaust fan 11 runs for a long time, a large amount of dust can be deposited on one side of the air inlet end of the fan blade, the dust can be blocked by the dust screen 12, and the exhaust fan 11 cannot perform normal exhaust work when the dust screen 12 is not cleaned for a long time. The motor 13 arranged in the shell 1 drives the screw rod 14 to rotate, the connecting block 141 which is in threaded connection with the screw rod 14 is driven to reciprocate along the screw rod 14, the brush head 2 connected to the screw rod 14 can brush the dust screen 12, and meanwhile, the spray head 121 arranged at the top end of the shell 1 can flush the dust screen 12, so that dust splashing during brushing of the brush head 2 can be avoided. The cleaned sewage can be guided to the collecting box 4 through the guide plate 3 and cleaned by operators at regular time.

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

1. An exhaust fan self-cleaning device which characterized in that: including casing (1), a plurality of shower nozzle (121), connecting block (141), screw rod (14), motor (13) and a plurality of brush head (2), be provided with exhaust fan (11) in casing (1), the small one end of cross-sectional area of casing (1) is provided with air intake (18), the big one end of casing (1) cross-sectional area is provided with air outlet (19), air intake (18) of casing (1) still is provided with dust screen (12), shower nozzle (121) set up the top in dust screen (12) both sides, motor (13) are fixed to be set up in casing (1), screw rod (14) set up in casing (1) and are connected with casing (1) rotation along vertical direction, the output shaft of motor (13) is connected with the one end of screw rod (14) through the shaft coupling, connecting block (141) threaded connection is in screw rod (14), brush head (2) and connecting block (141) fixed connection, brush hair on the brush head (2) can support dust screen (12).

2. An exhaust fan automatic cleaning device according to claim 1, characterized in that: be provided with first bracing piece (15) in casing (1), first bracing piece (15) are close to one side that dust screen (12) kept away from screw rod (14), first bracing piece (15) are parallel to each other with screw rod (14), connecting block (141) sliding connection in first bracing piece (15).

3. An exhaust fan automatic cleaning device according to claim 1, characterized in that: the bottom of air intake (18) of casing (1) is provided with guide plate (3) towards air outlet (19) bottom slope setting, guide plate (3) set up in the below of dust screen (12).

4. A fan automatic cleaning device according to claim 3, wherein: one end of the guide plate (3) close to the air inlet (18) is provided with a water spray head (31).

5. A fan automatic cleaning device according to claim 3, wherein: one side of the shell (1) close to the air outlet (19) is provided with a collecting box (4), and one end of the guide plate (3) far away from the air inlet (18) is positioned above the collecting box (4).

6. The exhaust fan automatic cleaning device according to claim 5, wherein: the vertical side wall of the shell (1) is provided with a sliding rail (16), and the collecting box (4) is connected to the sliding rail (16) in a sliding way.

7. An exhaust fan automatic cleaning device according to claim 1, characterized in that: the air outlet (19) of the shell (1) is provided with a plurality of baffles (5), and the baffles (5) are parallel to each other.

8. An exhaust fan automatic cleaning device according to claim 1, characterized in that: be provided with second bracing piece (17) in casing (1), connecting block (141) sliding connection is in second bracing piece (17), be connected with scraper blade (6) on connecting block (141), be provided with on scraper blade (6) and scrape claw (61), scrape claw (61) perpendicular to baffle (5), scraper claw (61) of scraper blade (6) imbeds in the clearance between adjacent baffle (5).

9. The exhaust fan automatic cleaning device according to claim 7, wherein: the shell (1) is rotationally connected with an end cover (7), and the end cover (7) can open and close a gap in the vertical direction between a baffle plate (5) at an air outlet (19) of the shell (1) and the collecting box (4).