CN210799466U

CN210799466U - Negative-pressure air fan with efficient ventilation

Info

Publication number: CN210799466U
Application number: CN201921747933.1U
Authority: CN
Inventors: 陈志彬; 黄秀珍; 陈倩莲
Original assignee: Dongguan Jiafeng Ventilation Equipment Co Ltd
Current assignee: Dongguan Jiafeng Ventilation Equipment Co Ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-19
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a negative-pressure air fan of high-efficient ventilation relates to ventilation blower technical field, specifically is a negative-pressure air fan of high-efficient ventilation, including outer frame, the inside of outer frame is from last to having seted up motor room and fan room down. This negative-pressure air fan of high-efficient ventilation, through the inside at the fan room be provided with the air inlet room, air storage chamber and the room of airing exhaust, and the first flabellum and the second flabellum of the inside of air inlet room and the room of airing exhaust respectively with two positive and negative output shaft swing joint of asynchronous machine, and then can inhale the gas of the indoor side of air inlet through first flabellum, and transmit it to the inside of air storage chamber, and the second flabellum carries out the negative pressure by another output shaft drive of asynchronous machine and rotates simultaneously, make the inside gas of air storage chamber discharge to the outside of fan room through the room of airing exhaust, thereby increased the indoor second flabellum of airing exhaust and carried out negative pressure pivoted efficiency, the problem that current device negative pressure rotation efficiency is low has been solved.

Description

Negative-pressure air fan with efficient ventilation

Technical Field

The utility model relates to a ventilation fan technical field specifically is a negative-pressure air fan of high-efficient ventilation.

Background

The negative pressure fan is a device which naturally sucks in fresh air from opposite directions of an installation place such as a gate or a window and quickly and forcibly discharges indoor sultry gas out of a room, is fixedly arranged in a plurality of workshops, workshops and greenhouses and is responsible for discharging the internal gas, and an air inlet is fixed at the other side of the negative pressure fan and is used for sucking in the fresh air.

But current negative-pressure air fan is because the restriction of self flabellum shape, the efficiency of ventilation is limited, so a plurality of factory buildings are all installed a plurality of negative-pressure air fans and are carried out simultaneous working, not only resource-wasting like this, and long-time powerful motor operation still can cause the power consumption hidden danger, in addition, because the inside of a plurality of factory buildings can be infected with oil stain and dust in the outside of negative-pressure air fan flabellum when negative-pressure air fan carries out the during operation, and negative-pressure air fan installs the first half at factory building frame mostly, be difficult to carry out frequent clearance to it, therefore, we have developed the negative-pressure air fan of a high-efficient ventilation.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a negative-pressure air fan of high-efficient ventilation has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a negative pressure fan with high-efficiency ventilation comprises an outer frame, wherein a motor chamber and a fan chamber are arranged in the outer frame from top to bottom, an asynchronous motor is arranged in the motor chamber, a first output shaft and a second output shaft are respectively arranged at two ends of the asynchronous motor, belts are movably sleeved outside the first output shaft and the second output shaft, shutters are arranged at two sides of the fan chamber, an air inlet chamber, an air storage chamber and an air exhaust chamber are sequentially arranged in the fan chamber from left to right, waste liquid chambers are fixedly arranged at two sides of the bottom of the inner cavity of the fan chamber, a fixing support rod is arranged in the fan chamber, a filter screen is fixedly connected to the outside of the fixing support rod, a cleaning agent chamber is fixedly arranged at one end of the fixing support rod, an atomizing nozzle is arranged at the top of the cleaning agent chamber, and a first rotating shaft and a second rotating shaft are respectively arranged at two ends of, the outside of first axis of rotation and second axis of rotation is fixed respectively and has cup jointed first band pulley and second band pulley, the outside of first axis of rotation and second axis of rotation is fixed mounting respectively has first flabellum and second flabellum.

Optionally, asynchronous machine's output has two, and a fixed cover has connect first output shaft, and another fixed cover is equipped with the second output shaft that is located first output shaft one side, there is first band pulley in the outside of first output shaft through belt swing joint, there is the second band pulley that is located first band pulley one side in the outside of second output shaft through belt swing joint, and the rotation direction of first output shaft is opposite with the rotation direction of second output shaft, and first output shaft is forward rotation, and the second output shaft is the antiport.

Optionally, one side of the air inlet chamber is provided with an air storage chamber, one side of the air storage chamber is provided with an exhaust chamber, the air inlet chamber, the air storage chamber and the exhaust chamber are separated by a filter screen, and the filter screen is made of an activated carbon adsorption layer.

Optionally, the fixed suit of one end of first axis of rotation is in the inside of bearing, the one end of second axis of rotation is also fixed suit in the inside of another bearing, and the outside of two bearings is fixed connection at the both ends of fixed branch, the outside of first axis of rotation and second band pulley is fixed respectively to have cup jointed first band pulley and second band pulley, and the outer end fixed mounting of first axis of rotation and second axis of rotation has first flabellum and second flabellum.

Optionally, the quantity of waste liquid chamber has two, and two waste liquid chambers fixed mounting respectively in the below of first flabellum and second flabellum.

Optionally, the inside in sanitizer chamber is filled with the sanitizer, the quantity in sanitizer chamber is two, and two sanitizer chambers set up respectively in the inboard of first flabellum and second flabellum, and the top in sanitizer chamber and bottom all respectively are provided with three atomizer.

The utility model provides a negative-pressure air fan of high-efficient ventilation possesses following beneficial effect:

1. this negative-pressure air blower of high-efficient ventilation, through be provided with the air inlet room in the inside of fan room, air storage chamber and air exhaust room, and the first flabellum and the second flabellum of the inside of air inlet room and air exhaust room respectively with two positive and negative output shaft swing joint of asynchronous machine, can utilize asynchronous machine to drive first flabellum and carry out the malleation rotation, and then can inhale the gas of the indoor side of air inlet through first flabellum, and transmit it to the inside of air storage chamber, and the second flabellum carries out the negative pressure by another output shaft drive of asynchronous machine and rotates simultaneously, make the inside gas of air storage chamber discharge to the outside of fan room through the air exhaust room, thereby increased the second flabellum of air exhaust indoor portion and carried out negative pressure pivoted efficiency, the problem that current device negative pressure rotation efficiency is low is solved.

2. This negative-pressure air fan of high-efficient ventilation, all be provided with the sanitizer chamber through the inboard at first flabellum and second flabellum, and the outside fixed mounting in sanitizer chamber has atomizer, when first flabellum and second flabellum carry out work, the atomizer of sanitizer chamber outside can spray the sanitizer intracavity portion's sanitizer to first flabellum and atomizer, carry out self-cleaning to first flabellum and second flabellum, recycle is provided with the waste liquid chamber in the below of first flabellum and second flabellum, can utilize the waste liquid chamber to collect the waste liquid after finishing washing, the practicality of device has been increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the first fan blade of the present invention.

In the figure: 1. an outer frame; 2. a first output shaft; 3. a motor chamber; 4. fixing the supporting rod; 5. a first fan blade; 6. a detergent chamber; 7. a first pulley; 8. a first rotating shaft; 9. a fan chamber; 10. a filter screen; 11. an atomizing spray head; 12. a waste fluid chamber; 13. a blind window; 14. a second rotating shaft; 15. a second pulley; 16. a second fan blade; 17. a belt; 18. a second output shaft; 19. an asynchronous motor; 20. an air inlet chamber; 21. an air storage chamber; 22. an exhaust chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a negative pressure fan with high-efficiency ventilation comprises an outer frame 1, a motor chamber 3 and a fan chamber 9 are arranged in the outer frame 1 from top to bottom, an asynchronous motor 19 is arranged in the motor chamber 3, a first output shaft 2 and a second output shaft 18 are respectively arranged at two ends of the asynchronous motor 19, belts 17 are movably sleeved outside the first output shaft 2 and the second output shaft 18, shutters 13 are arranged at two sides of the fan chamber 9, an air inlet chamber 20, an air storage chamber 21 and an exhaust chamber 22 are sequentially arranged in the fan chamber 9 from left to right, waste liquid chambers 12 are fixedly arranged at two sides of the bottom of an inner cavity of the fan chamber 9, a fixing support rod 4 is arranged in the fan chamber 9, a filter screen 10 is fixedly connected to the outside of the fixing support rod 4, a cleaning agent cavity 6 is fixedly arranged at one end of the fixing support rod 4, an atomizing nozzle 11 is arranged at the top of the cleaning agent cavity 6, a first rotating shaft 8 and a second rotating, the first belt wheel 7 and the second belt wheel 15 are respectively fixedly sleeved outside the first rotating shaft 8 and the second rotating shaft 14, and the first fan blade 5 and the second fan blade 16 are respectively and fixedly mounted on the outer sides of the first rotating shaft 8 and the second rotating shaft 14.

Wherein, there are two output ends of the asynchronous motor 19, one is fixedly sleeved with the first output shaft 2, the other is fixedly sleeved with the second output shaft 18 positioned at one side of the first output shaft 2, the outside of the first output shaft 2 is movably connected with the first belt pulley 7 through the belt 17, the outside of the second output shaft 18 is movably connected with the second belt pulley 15 positioned at one side of the first belt pulley 7 through the belt 17, the rotating direction of the first output shaft 2 is opposite to the rotating direction of the second output shaft 18, the first output shaft 2 rotates in the forward direction, the second output shaft 18 rotates in the reverse direction, the first output shaft 2 drives the first fan blades 5 to rotate in the positive pressure, the gas at the outer side of the air inlet chamber 20 can be sucked and discharged into the air storage chamber 21, the second output shaft 18 drives the second fan blades 16 to rotate in the negative pressure, the gas in the air storage chamber 21 is discharged from the outer side of the air outlet chamber 22, in addition, the practicability of the device is increased.

Wherein, one side of the air inlet chamber 20 is provided with an air storage chamber 21, one side of the air storage chamber 21 is provided with an exhaust chamber 22, the air inlet chamber 20, the air storage chamber 21 and the exhaust chamber 22 are separated by a filter screen 10, the filter screen 10 is made of an activated carbon adsorption layer, the air outside the air inlet chamber 20 is sucked by a first fan blade 5 inside the air inlet chamber 20, the air inside the air storage chamber 21 is exhausted from the outside of the exhaust chamber 22 by a second fan blade 16 inside the exhaust chamber 22, the ventilation efficiency of the device is further increased, and the passing air can be adsorbed and purified by the filter screen 10.

Wherein, the fixed suit of one end of first axis of rotation 8 is in the inside of bearing, the fixed suit of one end of second axis of rotation 14 is in the inside of another bearing also, and the outside of two bearings is all fixed connection at the both ends of fixed stay 4, the outside of first axis of rotation 8 and second band pulley 15 is fixed respectively and has been cup jointed first band pulley 7 and second band pulley 15, and the outer end fixed mounting of first axis of rotation 8 and second axis of rotation 14 has first flabellum 5 and second flabellum 16, first output shaft 2 and second output shaft 18 drive first axis of rotation 8 and second axis of rotation 14 and rotate, and then drive first flabellum 5 and second flabellum 16 of first axis of rotation 8 and second axis of rotation 14 outer end and rotate, reached and carried out not equidirectional pivoted effect to first flabellum 5 and wind storage chamber 21 respectively.

Wherein, the quantity in waste liquid chamber 12 has two, and two waste liquid chamber 12 respectively fixed mounting in the below of first flabellum 5 and

second flabellum

16, and 6 outside atomizer 11 in detergent chamber can wash first flabellum 5 and second flabellum 16, and the waste liquid after the completion of wasing drips the inside in waste liquid chamber 12, has reached and has carried out abluent effect to first flabellum 5 and second flabellum 16 automatically, makes the device's practicality increase.

Wherein, the inside packing in sanitizer chamber 6 has the sanitizer, the quantity in sanitizer chamber 6 is two, two sanitizer chambers 6 set up respectively in first flabellum 5 and second flabellum 16's inboard, and the top and the bottom in sanitizer chamber 6 all respectively are provided with three atomizer 11, a plurality of atomizer 11 can fully carry out the high efficiency to first flabellum 5 and second flabellum 16 and wash, and the waste liquid after wasing will fall in the inside in waste liquid chamber 12, regularly clear up the waste liquid of waste liquid chamber 12 inside, can reach and carry out the automatic clearance to first flabellum 5 and second flabellum 16.

In summary, when the high-efficiency ventilating negative pressure fan is used, the asynchronous motor 19 is turned on, the first output shaft 2 on one side of the asynchronous motor 19 rotates in a forward direction, the second output shaft 18 on the other side of the asynchronous motor 19 rotates in a reverse direction, and the first fan blade 5 and the second fan blade 16 in the air inlet chamber 20 and the air outlet chamber 22 are driven to rotate in a positive pressure mode and a negative pressure mode respectively, the gas outside the first fan blade 5 can be sucked by the positive pressure rotation of the first fan blade 5 and conveyed to the inside of the air storage chamber 21, the gas inside the air storage chamber 21 can be discharged from the outside of the air outlet chamber 22 by the negative pressure rotation of the second fan blade 16, the ventilating efficiency of the device for the gas is increased, in addition, when the first fan blade 5 and the second fan blade 16 work, the atomizing nozzle 11 outside the detergent cavity 6 sprays detergent to the first fan blade 5 and the second fan blade 16 respectively, can carry out self-cleaning to first flabellum 5 and second flabellum 16, finally, carry out corresponding processing with the inside waste liquid in two waste liquid chamber 12 of first flabellum 5 and second flabellum 16 below, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a negative-pressure air fan of high-efficient ventilation, includes outer frame (1), its characterized in that: the novel fan is characterized in that a motor chamber (3) and a fan chamber (9) are arranged in the outer frame (1) from top to bottom, an asynchronous motor (19) is arranged in the motor chamber (3), a first output shaft (2) and a second output shaft (18) are respectively arranged at two ends of the asynchronous motor (19), belts (17) are movably sleeved outside the first output shaft (2) and the second output shaft (18), shutters (13) are arranged on two sides of the fan chamber (9), an air inlet chamber (20), an air storage chamber (21) and an air exhaust chamber (22) are sequentially arranged in the fan chamber (9) from left to right, waste liquid cavities (12) are fixedly arranged on two sides of the bottom of an inner cavity of the fan chamber (9), a fixing support rod (4) is arranged in the fan chamber (9), and a filter screen (10) is fixedly connected to the outside the fixing support rod (4), one end fixed mounting of fixed branch (4) has sanitizer chamber (6), atomizer (11) have been seted up at sanitizer chamber (6) top, first axis of rotation (8) and second axis of rotation (14) have been seted up respectively at the both ends of fixed branch (4), first band pulley (7) and second band pulley (15) have been fixed respectively to the outside of first axis of rotation (8) and second axis of rotation (14) have been cup jointed, the outside of first axis of rotation (8) and second axis of rotation (14) is fixed mounting respectively has first flabellum (5) and second flabellum (16).

2. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the output of asynchronous motor (19) has two, and a fixed first output shaft (2) that has cup jointed, another fixed cover are equipped with second output shaft (18) that are located first output shaft (2) one side, the outside of first output shaft (2) has first band pulley (7) through belt (17) swing joint, the outside of second output shaft (18) has second band pulley (15) that are located first band pulley (7) one side through belt (17) swing joint, and the rotation direction of first output shaft (2) is opposite with the rotation direction of second output shaft (18), and first output shaft (2) are forward rotation, and second output shaft (18) are the antiport.

3. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: one side of air inlet room (20) is provided with air storage room (21), and one side of air storage room (21) is provided with air exhaust room (22), use filter screen (10) to separate between air inlet room (20), air storage room (21) and the air exhaust room (22), and the material of filter screen (10) is the active carbon adsorption layer.

4. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the fixed suit of one end of first axis of rotation (8) is in the inside of bearing, the fixed suit of one end of second axis of rotation (14) is also in the inside of another bearing, and the outside of two bearings is fixed connection at the both ends of fixed stay (4), the outside of first axis of rotation (8) and second band pulley (15) is fixed respectively to be cup jointed first band pulley (7) and second band pulley (15), and the outer end fixed mounting of first axis of rotation (8) and second axis of rotation (14) has first flabellum (5) and second flabellum (16).

5. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the quantity of waste liquid chamber (12) has two, and two waste liquid chamber (12) respectively fixed mounting in the below of first flabellum (5) and second flabellum (16).

6. The negative-pressure air blower for high-efficiency ventilation according to claim 1, characterized in that: the inside in sanitizer chamber (6) is filled with the sanitizer, the quantity in sanitizer chamber (6) is two, and two sanitizer chambers (6) set up respectively in the inboard of first flabellum (5) and second flabellum (16), and the top and the bottom in sanitizer chamber (6) all respectively are provided with three atomizer (11).