CN212511309U - Fume exhaust fan - Google Patents

Abstract

The utility model provides a pair of range hood, including collection petticoat pipe and the inside spiral case of locating collection petticoat pipe, its characterized in that still includes: the heating element is attached to the volute; the liquid spraying assembly comprises a liquid containing device and a liquid conveying channel connected with the liquid containing device, one end of the liquid conveying channel is communicated with the volute and is suitable for outputting liquid flow to the interior of the volute; and the oil discharge assembly is arranged in the fume collecting hood and communicated with the oil guide hole at the bottom of the volute. The heating element is arranged on the surface of the volute and heats the volute, so that oil stain on the inner wall of the volute and the fan blade in the volute is changed into liquid drops and drops to the bottom of the volute downwards, the liquid drops flow to the oil discharge assembly from the oil guide hole, the oil discharge assembly collects and discharges oil smoke exhaust ventilator, the liquid spray assembly is arranged to enable washing liquid or washing water in the liquid containing device to flow into the volute through the liquid conveying channel, and heated oil drops are washed and washed to assist in discharging of the oil drops. The problem that oil stains in the range hood are difficult to clean is solved.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to range hood.

Background

China collects to fry in shallow oil, stew, boil, fries and produces the oil smoke volume in the culinary art mode of an organic whole many, has higher requirement to range hood, and the cigarette machine is after long-time the use, washs untimely, accumulates the greasy dirt in inner chamber and the inside wind channel of spiral case easily, causes the pollution of cigarette machine internal environment, more probably leads to causing the secondary pollution of indoor environment, influences the health, increases cigarette machine workload and consumed power.

However, on one hand, because the cigarette machine is of integral structural design, the cigarette machine is not easy to disassemble internally, the cleaning difficulty is high, adverse effects are caused to the use and maintenance of users, and on the other hand, oil stains in the cigarette machine are firmly adhered to the inner wall of the volute or the blades of the wind wheel and are difficult to wash down.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the inside greasy dirt of range hood among the prior art product and being difficult to abluent problem to a range hood is provided.

The utility model provides a range hood, include the collection petticoat pipe and locate the inside spiral case of collection petticoat pipe still includes: the heating element is attached to the volute;

the liquid spraying assembly comprises a liquid containing device and a liquid conveying channel connected with the liquid containing device, one end of the liquid conveying channel is communicated with the volute and is suitable for outputting liquid flow to the interior of the volute;

and the oil extraction assembly is arranged in the fume collecting hood and communicated with the oil guide hole at the bottom of the volute.

The heating element is arranged outside the volute and covers the surface of the volute.

The heating member is arranged in a sheet shape.

The liquid containing device is arranged at the bottom side of the smoke collecting hood, and the infusion channel is connected with a water pump assembly.

The infusion channel is attached to the heating element.

The infusion channel comprises: the liquid inlet end is connected with the liquid containing device;

and the liquid drainage end penetrates through a through hole formed in the volute and is fixed in the volute.

The liquid discharging end is provided with a liquid discharging port, the volute is internally provided with a wind wheel, and the liquid discharging port forms an angle of 45 degrees with the extending direction of the liquid discharging port along the tangential direction of the wind wheel.

The oil extraction subassembly includes: and the oil guide groove is arranged in the fume collecting hood, and one end of the oil guide groove is fixedly connected with the oil guide hole and is arranged in a sealing manner.

And the oil cup is arranged below the oil guide groove and is suitable for receiving oil stains from the oil guide groove.

Lead the oil groove other end with collection petticoat pipe inner wall fixed connection, lead the oil groove and be equipped with the oil drain port, the oil drain port corresponds the setting and is in directly over the oil cup.

The oil guide groove is provided with a bending part with an upward opening, and the oil outlet is arranged at the bottom side of the bending part.

The oil cup is arranged adjacent to the liquid containing device.

The range hood further comprises a control piece, and the control piece is electrically connected with the water pump assembly and the heating piece respectively.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of range hood, include the collection petticoat pipe and locate the inside spiral case of collection petticoat pipe, its characterized in that still includes: the heating element is attached to the volute; the liquid spraying assembly comprises a liquid containing device and a liquid conveying channel connected with the liquid containing device, one end of the liquid conveying channel is communicated with the volute and is suitable for outputting liquid flow to the interior of the volute; and the oil extraction assembly is arranged in the fume collecting hood and communicated with the oil guide hole at the bottom of the volute.

The heating element is arranged on the surface of the volute and heats the volute, so that oil stain on the inner wall of the volute and the fan blade in the volute is changed into liquid drops and drops to the bottom of the volute downwards, the liquid drops flow to the oil discharge assembly from the oil guide hole, the oil discharge assembly collects and discharges oil smoke exhaust ventilator, the liquid spray assembly is arranged to enable washing liquid or washing water in the liquid containing device to flow into the volute through the liquid conveying channel, and heated oil drops are washed and washed to assist in discharging of the oil drops. The problem that oil stains in the range hood are difficult to clean is solved.

2. The utility model provides a range hood, the heating member sets up the spiral case outside, and the cladding is in the spiral case surface.

The heating member sets up in the spiral case outside, and the installation and the maintenance of the heating member of being convenient for, in addition, the heating member cladding can carry out even heat supply to each position of spiral case, makes the greasy dirt of each position all obtain effective heating, improves the efficiency of getting rid of the greasy dirt on the spiral case surface.

3. The utility model provides a pair of range hood, the infusion passageway with add the heat-insulating material laminating setting.

Set up like this and make water pump assembly at the in-process that extracts the cleaning solution from the liquid device to the spiral case in, through the heating member for the cleaning solution can be heated, and the cleaning solution of heating is better to the washing of greasy dirt and the effect of erodeing, has improved the cleaning efficiency of greasy dirt in the device.

4. The utility model provides a pair of range hood, flowing back serve and are provided with the leakage fluid dram, be provided with the wind wheel in the spiral case, the leakage fluid dram along the tangential direction of wind wheel with the extending direction of leakage fluid dram is 45 degrees angles.

Set up like this for the orientation of drain outlet can make cleaning water spray the scope when the wind wheel rotates the biggest, and the rivers that simultaneously arrange into in the spiral case from drain outlet department both can adjust to the position towards the greasy dirt gathering, can be the removal of regularity again, washes each position in the spiral case, has improved the cleaning speed and the cleaning performance of greasy dirt.

5. The utility model provides a pair of range hood leads the oil groove other end with collection petticoat pipe inner wall fixed connection, it is equipped with the oil drain port to lead the oil groove, the oil drain port corresponds the setting and is in directly over the oil cup.

Lead the oil groove and be connected fixedly with the other end, improved and led the fixed stability of oil groove installation, avoided leading the oil groove and cause the deformation because of external forces such as vibrations, and made the greasy dirt spill and fall in collection petticoat pipe intracavity to guarantee that oil drain port department greasy dirt etc. that fall can fall to the oil cup.

6. The utility model provides a pair of range hood leads the oil groove and is provided with the ascending portion of bending of opening, the oil drain port sets up the portion bottom side of bending.

The oil drain port sets up in kink bottom side for the greasy dirt can be guaranteed that the greasy dirt can accurately and fall to the oil cup completely from leading the oil groove to this position, and the impact force that the greasy dirt that flows downwards was carried is effectively alleviated in setting up of kink, avoids taking place to splash at the in-process that falls into the oil cup, avoids causing the pollution.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an internal structure of a smoke collecting hood of a range hood provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of the inside of the top of the fume collection hood shown in FIG. 1;

description of reference numerals:

1-a heating element; 2-a liquid spray assembly; 3-oil discharge assembly; 4-smoke collecting hood; 5-a volute; 21-a liquid holding device; 22-an infusion channel; 221-liquid inlet end; 222-drain terminal; 223-a water pump assembly; 31-an oil guide groove; 32-oil cup; 312-oil drain port; 51-oil guide hole.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, the present embodiment provides a range hood, which includes

The exhaust fume collecting hood 4 and a volute 5 arranged inside the exhaust fume collecting hood 4;

the heating element 1 is used for heating and is attached to the volute 5;

a liquid spraying assembly 2 for spraying a washing liquid inside the volute 5, and an oil discharging assembly 3; the liquid spraying assembly 2 comprises a liquid containing device 21 and a liquid conveying channel 22 connected with the liquid containing device 21, wherein one end of the liquid conveying channel 22 is communicated with the volute 5 and is suitable for outputting liquid flow to the interior of the volute 5; the oil exhaust assembly 3 is arranged in the fume collecting hood 4 and communicated with the bottom oil guide hole 51 of the volute 5.

The heating element 1 is arranged on the surface of the volute 5 to heat the volute 5, so that oil stain on the inner wall of the volute 5 and a fan blade in the volute 5 is changed into liquid drops and drops downwards to the bottom of the volute 5, the liquid drops flow out of the oil guide hole 51 to the oil discharge assembly 3, the oil discharge assembly 3 collects and discharges oil smoke outside the range hood, the liquid spray assembly 2 is arranged to enable washing liquid or washing water in the liquid containing device 21 to flow into the volute 5 through the liquid conveying channel 22, and the heated oil drops are washed and washed to assist in discharging of the oil drops. The problem that oil stains in the range hood are difficult to clean is solved.

In a preferred embodiment, the heating element 1 is disposed outside the volute 5 and covers the surface of the volute 5. Heating member 1 sets up in the spiral case 5 outside, be convenient for the installation and the maintenance of heating member 1, the unable rapid inflow oil cup 32 of greasy dirt after the melting though the mode of electrical heating among the prior art can melt the greasy dirt, but at the in-process that flows downwards, the cooling solidifies once more, adhere to on the spiral case inner chamber, in this embodiment, heating member 1 cladding is on spiral case 5 surface, can carry out even heat supply to every position of spiral case 5, make the greasy dirt of every position all obtain effective heating, prevent that the greasy dirt from cooling and solidifying once more at the flow in-process, the efficiency of getting rid of the greasy dirt has been improved. As an alternative embodiment, the heating element 1 may be arranged inside the volute 5 and be water-and oil-repellent.

In this embodiment, the heating member 1 is provided in a sheet shape. The volume occupied by the heating member 1 is reduced while ensuring the heating efficiency of the volute 5, and the weight of the heating member 1 is reduced. Specifically, in the present embodiment, the heating member 1 is a silica gel heating sheet with a built-in heating wire, and as an alternative embodiment, the heating member 1 may be made of graphene, an electromagnetic coil, a heating tube, a heating wire, ptc, or the like.

In this embodiment, the liquid container 21 mainly serves to contain washing water, which may be pure water or a mixture of pure water and a substance such as an oil removing substance, which may be soda or detergent, and is not limited in this embodiment. The material of the liquid containing device is not limited too much, and can be plastic material, metal material, water bucket or cylinder. The liquid container 21 is disposed at the bottom side inside the fume collecting hood 4 and adjacent to the oil cup 31, and as an alternative embodiment, the liquid container 21 may be disposed outside the fume collecting hood 4. The liquid conveying channel 22 is connected with a water pump assembly and is attached to the heating element 1. Set up like this and make water pump assembly 223 at the in-process that extracts the cleaning solution from liquid device 21 to spiral case 5 in, through heating member 1 for the cleaning solution can be heated, and the cleaning solution of heating is better to the washing of greasy dirt and the effect of erodeing, has improved the cleaning efficiency of greasy dirt in the device. In the present embodiment, as shown in fig. 2, the water pump assembly is partially disposed inside the scroll casing 5 and connected to the feeding passage through a connection pipe.

The liquid conveying channel 22 comprises a liquid inlet end 221 and a liquid discharge end 222, wherein the liquid inlet end 221 is connected with the liquid containing device 21; and the liquid drainage end 222 penetrates through a through hole arranged on the volute 5 and is fixed inside the volute 5. Specifically, the infusion channel is a rigid pipe, the liquid inlet end 221 extends into the solution device 21, the end position of the liquid inlet end is close to the bottom of the inner cavity of the solution device 21, the liquid discharge end 222 is a rigid end, the cross section of the liquid discharge end is approximate to the area of the via hole, and the liquid discharge end is fixedly connected with the via hole. The middle part of the liquid conveying channel 22 is jointed with the heating element 1 on the volute 5, and the jointing length and the jointing form are not limited, so that the requirement of heating the water or the cleaning liquid in the liquid conveying channel 22 can be met. As an alternative embodiment, the infusion channel 22 may be a soft tube, such as a rubber tube, and a fixing bracket for the tube is correspondingly disposed in the volute 5, and the fixing bracket may be a buckle, as long as the fixing structure for positioning the soft tube can be the fixing bracket.

In the present embodiment, the through hole is fixed to the liquid feeding channel 22 in a sealing manner, and as an optimal implementation manner, the through hole is disposed at the top of the volute 5 in the present embodiment, so that the water flow discharged from the liquid discharging end 222 of the through hole extending into the casing has a large potential energy, which is convenient for effectively washing the oil stains at various positions in the volute 5.

As an alternative embodiment, the drain port may be fixedly connected to the through hole, and the drain end 222 is partially disposed outside the scroll casing 5. As another alternative embodiment, the through hole may be provided in the middle or the bottom side of the scroll casing 5, and as another alternative embodiment, the feeding passage 22 may be provided in plurality and provided with a plurality of through holes correspondingly on the scroll casing 5.

The liquid discharge end 222 is provided with a liquid discharge port, the liquid discharge port is provided with a spray head, and the volute is internally provided with a wind wheel, and in this embodiment, as shown in fig. 1, the liquid discharge port forms an angle of 45 degrees with the extension direction of the liquid discharge port along the tangential direction of the wind wheel. The drain outlet has two tangents with the wind wheel, and the tangent direction of the drain outlet in this embodiment along the wind wheel is the tangent direction with the drain outlet direction homonymy. The extending direction of the liquid outlet is the same as the initial speed direction of water discharged from the liquid outlet. As a changeable implementation mode, the liquid discharge port can be provided with a water adjusting device, such as a rotary spray head and a spray head adjusting valve, wherein the spray head adjusting valve can adjust the water flow by shielding the number of the holes on the spray head, so that on one hand, the arrangement can control the rotary spray head to be aligned to part of the concentrated oil liquid for washing, thereby improving the cleaning efficiency, or control the rotary spray head to automatically rotate for washing the oil stain, thereby increasing the washing area and the automation level; on the other hand can adjust the leakage fluid dram area through the trompil quantity on the governing valve control shower nozzle, and then control discharge, can concentrate rivers, the greasy dirt washing with higher speed.

Set up like this, under the action of gravitational potential energy, the orientation of leakage fluid dram can make clean water spray the scope when the wind wheel rotates the biggest, and the rivers of discharging into in the spiral case 5 from leakage fluid dram department both can adjust to the position of orientation greasy dirt gathering simultaneously, can be the removal of regularity again, washes each position in the spiral case 5, has improved the cleaning speed and the cleaning performance of greasy dirt.

The oil discharge assembly 3 comprises an oil guide groove 31 and an oil cup 32, the oil guide groove 31 is arranged in the fume collecting hood 4, one end of the oil guide groove is fixedly connected with the oil guide hole 51 and is arranged in a sealing mode, and the oil cup 32 is arranged below the oil guide groove 31 and is suitable for receiving oil stains from the oil guide groove 31. In a preferred embodiment, the other end of the oil guide groove 31 is fixedly connected to the inner wall of the fume collecting hood 4, the oil guide groove 31 is provided with an oil discharge port 312, and the oil discharge port 312 is correspondingly arranged right above the oil cup 32. Alternatively, one end of oil guide groove 31 may directly act at the position of oil drain port 312.

Lead the oil groove 31 other end and connect fixedly, improved and led the fixed stability of oil groove 31 installation, avoided leading oil groove 31 to cause the deformation because of external forces such as vibrations, and made the greasy dirt spill and fall in collection petticoat pipe 4 intracavity to guarantee that oil drain port 312 department's greasy dirt etc. that falls can fall to in the oil cup 32. Specifically, the other end of the oil guiding groove 31 may be connected to the inner wall of the fume collecting hood 4 by glue, or may be hung on the inner wall of the fume collecting hood 4 by a structure such as a buckle, which is not limited in this embodiment.

As an alternative embodiment, the oil cup 32 may not be provided, and the oil guide groove 31 is communicated with the external dirt discharge groove of the range hood.

The oil guide groove 31 is provided with a bent portion with an upward opening, and the oil discharge port 312 is provided at a bottom side of the bent portion. Oil drain port 312 sets up in kink bottom side for the greasy dirt can be guaranteed that the greasy dirt can accurately and fall to oil cup 32 completely from leading oil groove 31 to this position of flowing downwards, and the impact force that the greasy dirt that flows downwards was carried is effectively alleviated in setting up of kink, avoids taking place to splash at the in-process that falls into oil cup 32, avoids causing the pollution.

In the present embodiment, the oil cup 32 is disposed adjacent to and spaced apart from the liquid container 21. As shown in fig. 1, the oil cup 32 is disposed inside the solution device 21. Set up like this and can improve the utilization ratio of collection petticoat pipe 4 inner space, on the other hand is empting the greasy dirt or is supplementing the washing liquid in-process, reminds the user to observe whether the washing liquid is short of and whether the greasy dirt is nearly full, plays the effect of mutual warning.

In this embodiment, the range hood further includes a control member, and the control member is electrically connected to the water pump assembly and the heating member 1, respectively. The control member is a pcb control panel, and in the embodiment, the control member is further electrically connected with the wind wheel and a sensor arranged in the volute 5, and can control the opening and closing of each electrically connected component.

The working process is as follows:

the cleaning method comprises the steps that cleaning is started, the control part controls the heating part to be started, the heating part heats the volute 5 and controls the wind wheel to be started, the temperature of the inner cavity of the volute 5 is enabled to be uniform, after the heating part works for a preset time, the temperature in the volute 5 is measured through a sensor arranged in the volute 5, after the temperature reaches the preset temperature, the water pump component 223 is controlled to be started, cleaning liquid is pumped from a water storage device and pressurized, the cleaning liquid is conveyed to the liquid discharge end 222 in the volute 5 through the liquid inlet end 221 of the water conveying pipeline and sprayed to the wind wheel, the cleaning liquid is thrown to the wall of the inner cavity wall through the rotating centrifugal force of the wind wheel, hot washing is carried out on the inner wall, oil stains after cleaning fall to the oil cup 32 through the oil guide groove 31, after another preset time.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (12)

1. The utility model provides a range hood, includes collection petticoat pipe (4) and locates inside spiral case (5) of collection petticoat pipe (4), its characterized in that still includes:

the heating element (1) is attached to the volute (5);

the liquid spraying assembly (2) comprises a liquid containing device (21) and a liquid conveying channel (22) connected with the liquid containing device (21), one end of the liquid conveying channel (22) is communicated with the volute (5) and is suitable for outputting liquid flow to the interior of the volute (5);

and the oil discharge assembly (3) is arranged in the oil collecting hood (4) and communicated with the bottom oil guide hole (51) of the volute (5).

2. The range hood according to claim 1, wherein the heating element (1) is arranged outside the volute (5) and covers the surface of the volute (5).

3. A range hood according to claim 2, characterized in that the heating element (1) is arranged in a sheet-like manner.

4. A range hood according to any one of claims 1-3, characterized in that the liquid containing device (21) is arranged at the bottom side of the fume collecting hood (4), and a water pump assembly (223) is connected to the liquid conveying channel (22).

5. A range hood according to claim 4, characterized in that the liquid conveying channel (22) is attached to the heating element (1).

6. The extractor hood according to claim 5, characterized in that said infusion channel (22) comprises:

a liquid inlet end (221) connected to the liquid storage device (21);

the liquid drainage end (222) penetrates through a through hole formed in the volute (5) and is fixed inside the volute (5).

7. The range hood according to claim 6, wherein a liquid discharge port is arranged on the liquid discharge end (222), a wind wheel is arranged in the volute (5), and the liquid discharge port forms an angle of 45 degrees with the extension direction of the liquid discharge port along the tangential direction of the wind wheel.

8. The extractor hood according to any of claims 1 to 3, 5 to 7, wherein the oil discharge assembly (3) comprises:

the oil guide groove (31) is arranged in the fume collecting hood (4), and one end of the oil guide groove is fixedly connected with the oil guide hole (51) and is arranged in a sealing way;

and the oil cup (32) is arranged below the oil guide groove (31) and is suitable for receiving oil stains from the oil guide groove (31).

9. The range hood according to claim 8, wherein the other end of the oil guide groove (31) is fixedly connected with the inner wall of the fume collecting hood (4), the oil guide groove (31) is provided with an oil discharge port (312), and the oil discharge port is correspondingly arranged right above the oil cup (32).

10. The range hood according to claim 9, wherein the oil guiding groove (31) is provided with a bent portion which is opened upward, and the oil outlet (312) is provided at a bottom side of the bent portion.

11. The range hood according to claim 10, wherein the oil cup (32) is disposed adjacent to the liquid holding device (21).

12. The range hood according to any one of claims 5 to 7, further comprising a control member electrically connected to the water pump assembly (223) and the heating member (1), respectively.

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