CN218379538U

CN218379538U - Range hood capable of collecting oil

Info

Publication number: CN218379538U
Application number: CN202221978387.4U
Authority: CN
Inventors: 刘世文; 张兴平
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-24
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a can collect range hood of leading oil, it includes: the bottom of the box shell is provided with a smoke inlet and an oil collecting box, and a filter screen is arranged at the smoke inlet; the inner shell device is arranged in the box shell and comprises a volute, an oil guide ring and an oil guide channel, an air inlet is formed in the bottom surface of an inner cavity of the volute, the oil guide ring is arranged below the volute, an oil guide groove arranged along the edge of the air inlet is concavely formed in the top surface of the oil guide ring, and the oil guide channel is arranged between the oil guide groove and the oil collecting box. According to the structure, the oil stain in the volute flows to the air inlet and then falls into the oil guide groove, the oil stain is guided to the oil collecting box through the oil guide channel to be collected, so that the oil stain in the volute can be prevented from flowing to positions such as a filter screen and the like to cause secondary pollution inside the range hood, the cleaning workload of a user is reduced, and the use experience of the user is optimized.

Description

Range hood capable of collecting oil

Technical Field

The utility model relates to a kitchen electricity technical field, in particular to range hood.

Background

The range hood is provided with the spiral case usually in inside, holds the wind wheel that can be connected with the motor in the spiral case, and at the during operation, external oil smoke is inhaled the spiral case, then discharges, and wherein, range hood can make after a period of operation gather more greasy dirt in the spiral case, can produce when the greasy dirt is more and flow. Some range hood's spiral case adopts the structure of bottom opening air inlet, can follow its bottom opening outflow when the greasy dirt in the spiral case is more, and under the normal conditions, these greasy dirt flow to positions such as filter screen under the action of gravity, then flow to the collection oil box, but this kind of mode can make the greasy dirt cause secondary pollution to the inside of range hood, has increased the clear work load of user, and user's use experience is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can collect range hood of leading oil can avoid causing secondary pollution to range hood's inside with the greasy dirt water conservancy diversion in the spiral case to an album oil box.

In order to achieve the above object, a range hood capable of collecting oil is provided, which comprises: the bottom of the box shell is provided with a smoke inlet and an oil collecting box, and a filter screen is arranged at the smoke inlet; the inner shell device is arranged in the box shell and comprises a volute, an oil guide ring and an oil guide channel, an air inlet is formed in the bottom surface of an inner cavity of the volute, the oil guide ring is arranged below the volute, an oil guide groove arranged along the edge of the air inlet is concavely formed in the top surface of the oil guide ring, and the oil guide channel is arranged between the oil guide groove and the oil collecting box.

According to the range hood capable of collecting and guiding oil, the bottom of the volute is provided with the skirt part which is connected with the edge of the air inlet and extends downwards into the oil guiding groove.

According to the range hood capable of collecting and guiding oil, the volute is of an integrally formed structure.

According to the range hood capable of collecting and guiding oil, the oil guiding channel comprises: the oil guide port is formed in the bottom surface of the oil guide groove; the mounting pipe is fixedly connected with the oil guide ring, and the inner cavity of the oil guide pipe is communicated with the oil guide port; and one end of the oil guide pipe is sleeved with the mounting pipe.

According to the range hood capable of collecting and guiding oil, the other end of the oil guiding pipe extends to the upper part of the groove strip, the groove strip is arranged above the oil collecting box and connected with the box shell, and the bottom surface of the inner cavity of the groove strip is provided with the oil falling hole.

According to the range hood capable of collecting and guiding oil, the outer side surface of the volute is provided with the electric heating structure.

According to the range hood capable of collecting the guide oil, the top of the volute is open and connected with the top of the inner side of the box shell, the top of the inner side of the box shell is provided with the main motor, the main motor is connected with the wind wheel, the wind wheel is located in the volute, the axis of the wind wheel is vertically arranged and is provided with the top ring, the cross flow blades and the bottom ring which are sequentially arranged from top to bottom, and the longitudinal projections of the cross flow blades and the bottom ring are located in the longitudinal projection of the guide oil groove.

According to the range hood capable of collecting and guiding oil, the bottom surface of the inner cavity of the volute is provided with two air inlets, a main motor and a wind wheel are correspondingly arranged above each air inlet, and a partition plate positioned between the two air inlets is arranged in the volute.

According to the range hood capable of collecting and guiding oil, the side face of the inner cavity of the volute is provided with the first exhaust port, one end of the partition plate extends to the middle of the first exhaust port, the middle of the first exhaust port is provided with the rotating shaft in rotating connection with the volute, two sides of the rotating shaft are provided with the first baffle plates, the first exhaust port is sealed by the first baffle plates and the rotating shaft, and the volute is provided with the first motor connected with the rotating shaft; the first motor can drive the rotating shaft to rotate, so that the first baffle plate rotates to be attached to the side wall of the partition plate.

According to the range hood capable of collecting and guiding oil, the top of the case shell is provided with a second air outlet communicated with the top of the inner cavity of the volute, and a second baffle is arranged in the second air outlet.

The beneficial effect that above-mentioned scheme has: according to the structure, the oil stain in the volute flows to the air inlet and then falls into the oil guide groove, the oil stain is guided to the oil collecting box through the oil guide channel to be collected, so that the oil stain in the volute can be prevented from flowing to positions such as a filter screen and the like to cause secondary pollution inside the range hood, the cleaning workload of a user is reduced, and the use experience of the user is optimized.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a front cross-sectional view of an embodiment of the invention;

fig. 3 is a side cross-sectional view of an embodiment of the invention;

FIG. 4 is a view showing the construction of the inner shell assembly and the oil collection box;

FIG. 5 is a view of the inner shell assembly and the oil collection box from another perspective;

FIG. 6 is an enlarged view of portion A shown in FIG. 5;

fig. 7 is a schematic diagram of the matching of the wind wheel and the oil guiding ring.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 7, the embodiment of the present invention provides a range hood capable of collecting oil, which includes a box housing 10, an inner housing device 20 and a main motor 31, wherein the inner housing device 20 is disposed inside the box housing 10, a smoke inlet is disposed at the bottom of the box housing 10, and a filter screen 11 is disposed at the smoke inlet.

Wherein, the inner shell device 20 comprises a volute 21, an oil guiding ring 22 and an oil guiding channel 23, the top of the volute 21 is open, and the top of the volute 21 is connected with the top of the inner side of the tank shell 10. An air inlet 211 is formed in the bottom surface of an inner cavity of the volute casing 21, the air inlet 211 is located above the filter screen 11, the oil guide ring 22 is arranged below the volute casing 21, an oil guide groove 221 arranged along the edge of the air inlet 211 is concavely formed in the top surface of the oil guide ring 22, the edge of the air inlet 211 is higher than the bottom surface of the oil guide groove 221, and an oil guide channel 23 is formed between the oil guide groove 221 and the oil collecting box 40.

Like structure above, the greasy dirt in the spiral case 21 flows to air intake 211, then falls to leading in the oil groove 221, collects in leading oil passageway 23 with greasy dirt water conservancy diversion to collection oil box 40, so can avoid the greasy dirt in the spiral case 21 to flow to positions such as filter screen 11 and cause the inside secondary pollution of range hood, reduced the clear work load of user, optimized user's use and experienced.

Wherein, the bottom of the volute casing 21 has a skirt portion 212, and the skirt portion 212 is connected to the edge of the air inlet 211 and extends downwards into the oil guide groove 221, so that the longitudinal projection of the inner bottom edge of the skirt portion 212 is located in the longitudinal projection of the oil guide groove 221. The oil can fall down to the oil guide groove 221 along the inner wall of the skirt portion 212, and the oil is prevented from flowing to the bottom surface of the scroll casing 21.

In the present embodiment, the scroll casing 21 is provided as an integrally formed structure. In production, the volute casing 21 is formed by punching, drawing, etc. a plate, so that the structure and production process of the volute casing 21 can be simplified. The volute casing 21 is formed without plate assembly, and therefore seams which are easy to leak oil and formed by plate assembly of the volute casing 21 can be avoided.

In this embodiment, the oil guiding passage 23 includes an oil guiding opening 231, a mounting pipe 232 and an oil guiding pipe 233, the oil guiding opening 231 is opened on the bottom surface of the oil guiding groove 221, the mounting pipe 232 is fixedly connected to the oil guiding ring 22, the inner cavity of the oil guiding pipe 233 is communicated with the oil guiding opening 231, one end of the oil guiding pipe 233 is sleeved with the mounting pipe 232, the other end of the oil guiding pipe 233 extends to the upper side of a groove strip 234, the groove strip 234 is arranged above the oil collecting box 40 and connected to the box body shell 10, and the inner cavity bottom surface of the groove strip 234 is provided with an oil dropping hole 2341. The oil stain in the oil guiding groove sequentially flows through the oil guiding opening 231, the mounting pipe 232, the oil guiding pipe 233 and the groove strip 234, and finally falls into the oil collecting groove 40 from the oil falling hole 2341.

In some embodiments, the oil pipe 233 may be directly inserted into the oil guide port 231.

In the present embodiment, the outer side surface of the scroll casing 21 is provided with an electric heating structure. Wherein, the electric heating structure can be arranged as an electric heating plate, an electric heating wire and the like. When the inside of the volute 21 needs to be cleaned, the volute 21 is heated by the electric heating structure, so that the condensed oil inside the volute 21 is melted, and the oil stain formed by melting can flow to the oil guide groove 221 and is finally collected by the oil collecting box 40.

An oil net 271 with a wide top and a narrow bottom is arranged inside the oil guide ring 22, and an oil cup (not shown in the figure) is arranged at the bottom of the oil net 271. The oil cup can collect the oil stain flowing down from the oil screen 271, and the oil stain is prevented from falling onto the filter screen 11 to cause secondary pollution.

The main motor 31 is connected and arranged at the top of the inner side of the casing, the rotating shaft 251 of the main motor 31 is connected with the wind wheel 32, and the wind wheel 32 is positioned in the volute casing 21. The axial line of the wind wheel 32 is vertically arranged, the wind wheel 32 is provided with a top ring 321, a plurality of cross flow blades 322 and a bottom ring 323 which are sequentially arranged from top to bottom, the cross flow blades 322 are arranged in a plurality of rows to form a ring shape, the cross flow blades 322 are respectively connected with the top ring 321 and the bottom ring 323, and the longitudinal projections of the cross flow blades 322 and the bottom ring 323 are all positioned in the longitudinal projection of the oil guide groove. When the wind turbine works, the main motor 31 drives the wind wheel 32 to rotate around a vertical axis, oil stains adhered to the wind wheel 32 are thrown to the inner side wall of the volute 21 and then flow to the oil guide groove 221; the electric heating structure can melt the condensed oil on the wind wheel 32 during heating, and the melted oil stain flows downwards along the cross flow blades 322 and the bottom ring 323 and drips to the oil guide groove 221, so that the oil stain on the wind wheel 32 can be guided and collected to the oil collection box 40, and secondary pollution is avoided.

Two air inlets 211 are formed in the bottom surface of the inner cavity of the volute 21, a main motor 31 and a wind wheel 32 are correspondingly arranged above each air inlet 211, and a partition plate 24 located between the two air inlets 211 is arranged in the volute 21. Specifically, the partition plate 24 divides the inner cavity of the volute casing 21 into two cavities, and the wind wheel 32 is disposed in the two cavities. When the two main motors 31 operate, two airflows can be generated, and the two airflows can be prevented from being mixed and interfered to influence the flow of the flue gas by arranging the partition plates 24; some range hoods can operate by controlling one of the main motors 31, and the generated air flow can avoid entering a cavity where the wind wheel 32 connected to the other main motor 31 is located, so that the wind pressure is not influenced.

In this embodiment, the first exhaust opening 213 is opened on the side of the inner cavity of the volute casing 21, the airflow guide 26 is disposed on the outer side of the volute casing 21, the air outlet 14 is disposed on the front side of the box casing 10, and the airflow guide 26 and the inner wall of the top of the box casing 10 enclose an air passage communicating the first exhaust opening 213 and the air outlet 14. One end of the partition plate 24 extends to the middle of the first exhaust opening 213, so that the flue gas in the two cavities can flow out through the first exhaust opening 213. The middle part of the first exhaust opening 213 is provided with a rotating shaft 251 rotatably connected with the scroll casing 21, both sides of the rotating shaft 251 are provided with first baffles 252, the first exhaust opening 213 is sealed by the first baffles 252 and the rotating shaft 251, and the scroll casing 21 is provided with a first motor 253 connected with the rotating shaft 251. A second air outlet 12 communicated with the top of the inner cavity of the volute 21 is arranged at the top of the box body shell 10, and a second baffle 13 is arranged in the second air outlet 12. So that the user can select the first exhaust port 213 or the second exhaust port 12 for exhaust.

When the user selects to exhaust air through the first exhaust port 213, the second exhaust port 12 is closed by the second baffle 13, and the first motor 253 is controlled to start to drive the rotating shaft 251 to rotate, so that the first baffle 252 rotates to abut against the side wall of the partition plate 24, and the first exhaust port 213 can be opened. When the user selects the second air outlet 12 to exhaust air, the second baffle 13 is opened. The second baffle 13 can be rotated by hands to open, or a second motor is arranged to drive the second baffle 13 to rotate to open.

In some embodiments, the oil guide channel 23 may be provided without the groove 234, and the other end of the oil guide pipe 233 is arranged directly above the oil collection box 40.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A range hood capable of collecting and guiding oil is characterized by comprising:

the bottom of the box shell is provided with a smoke inlet and an oil collecting box, and a filter screen is arranged at the smoke inlet;

the inner shell device is arranged in the box shell and comprises a volute, an oil guide ring and an oil guide channel, an air inlet is formed in the bottom surface of an inner cavity of the volute, the oil guide ring is arranged below the volute, an oil guide groove arranged along the edge of the air inlet is concavely formed in the top surface of the oil guide ring, and the oil guide channel is arranged between the oil guide groove and the oil collecting box.

2. The range hood as claimed in claim 1, wherein the bottom of the volute has a skirt portion connected to the edge of the air inlet and extending downward into the oil guide groove.

3. The range hood capable of collecting and guiding oil of claim 1 or 2, wherein the volute is configured as an integrally formed structure.

4. The extractor hood capable of collecting and guiding oil according to claim 1 or 2, wherein the oil guiding channel comprises:

the oil guide port is formed in the bottom surface of the oil guide groove;

the mounting pipe is fixedly connected with the oil guide ring, and the inner cavity of the oil guide pipe is communicated with the oil guide port;

and one end of the oil guide pipe is sleeved with the mounting pipe.

5. The range hood capable of collecting and guiding oil according to claim 4, wherein the other end of the oil guiding pipe extends to the upper part of a groove, the groove is arranged above the oil collecting box and connected with the case shell, and the bottom surface of the inner cavity of the groove is provided with an oil dropping hole.

6. The extractor hood capable of collecting and guiding oil of claim 1, wherein an electric heating structure is disposed on an outer side surface of the volute.

7. The range hood capable of collecting and guiding oil according to claim 1 or 6, wherein the top of the volute is open and connected with the top of the inner side of the box shell, the top of the inner side of the box shell is provided with a main motor, the main motor is connected with a wind wheel, the wind wheel is positioned in the volute, the axis of the wind wheel is vertically arranged and is provided with a top ring, a through-flow blade and a bottom ring which are sequentially arranged from top to bottom, and the longitudinal projections of the through-flow blade and the bottom ring are both positioned in the longitudinal projection of the oil guide groove.

8. The range hood capable of collecting and guiding oil according to claim 7, wherein two air inlets are formed in the bottom surface of the inner cavity of the volute, a main motor and a wind wheel are correspondingly arranged above each air inlet, and a partition plate located between the two air inlets is arranged in the volute.

9. The range hood capable of collecting and guiding oil according to claim 8, wherein a first exhaust port is formed in a side surface of an inner cavity of the volute, one end of the partition extends to a middle portion of the first exhaust port, a rotating shaft rotatably connected with the volute is arranged in the middle portion of the first exhaust port, first baffles are arranged on two sides of the rotating shaft, the first exhaust port is sealed by the first baffles and the rotating shaft, and a first motor connected with the rotating shaft is arranged on the volute;

the first motor can drive the rotating shaft to rotate, so that the first baffle plate rotates to be attached to the side wall of the partition plate.

10. The range hood capable of collecting and guiding oil of claim 9, wherein a second air outlet communicated with the top of the inner cavity of the volute is formed in the top of the casing, and a second baffle is arranged in the second air outlet.