CN222256756U - Fume exhaust fan - Google Patents

Abstract

The utility model discloses a range hood, comprising: a casing, provided with a cavity, a front side wall of the casing being provided with a first smoke inlet and a second smoke inlet connected to the cavity, the first smoke inlet and the second smoke inlet being arranged at intervals along the length direction of the casing; a duct cover being above and connected to the cavity, a fan being installed in the duct cover; a partition being provided in the cavity and dividing the cavity into a first smoke collecting chamber and a second smoke collecting chamber, both of which are connected to the duct cover; wherein a protective groove is provided on the rear side of the partition. Thus, the oil smoke flowing in from the two smoke inlets is not prone to airflow turbulence due to cross collision during the flow process, thereby increasing the oil smoke flow rate in the cavity, and further increasing the smoking efficiency. In addition, by providing a protective groove on the rear side of the partition, some components in the smoke collecting chamber can be installed in the protective groove, thereby shielding and protecting these components.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of range hoods, in particular to a range hood.

Background

The existing cooking bench is usually provided with two burner heads, therefore, the existing partial range hood is usually provided with two smoke inlets correspondingly, so that the oil smoke generated when the two burner heads are used can be effectively extracted. Specifically, in the prior art, a smoke collecting cavity is usually arranged in the range hood, two smoke inlets are directly formed in the front wall of the smoke collecting cavity, and a fan is arranged above the smoke collecting cavity, so that negative pressure can be generated in the smoke collecting cavity by the fan, and smoke generated by two burner heads is sucked into the smoke collecting cavity through the corresponding smoke inlets, but in the smoke sucking process, the smoke flowing in from the two smoke inlets is easy to cross collision in the smoke collecting cavity to cause air flow disorder, further the smoke flow rate is easy to reduce, and the smoke sucking efficiency is reduced.

In addition, in the prior art, other parts such as an oil guide pipe are generally arranged in the smoke collecting cavity, and the parts are generally directly exposed in the smoke collecting cavity, so that the outer surfaces of the parts are extremely easy to be polluted and corroded by oil smoke in the smoke collecting cavity, and cleaning is difficult.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the range hood, which can improve the oil absorption efficiency and can also shield and protect part of parts in the cavity.

The range hood comprises a housing, a separation piece and a protection groove, wherein a first smoke inlet and a second smoke inlet which are communicated with the first smoke inlet and the second smoke inlet are formed in the front side wall of the housing, the first smoke inlet and the second smoke inlet are arranged at intervals along the length direction of the housing, the fan is arranged above an air pipe cover and is communicated with the housing, the separation piece is arranged in the cavity and separates the cavity into a first smoke collecting cavity and a second smoke collecting cavity which are communicated with the first smoke inlet and the second smoke inlet in a one-to-one correspondence mode, and the first smoke collecting cavity and the second smoke collecting cavity are communicated with the air pipe cover, wherein the rear side face of the separation piece is provided with the protection groove.

The range hood provided by the embodiment of the utility model has at least the following beneficial effects:

By adopting the range hood provided by the embodiment of the utility model, the cavity is divided into the first smoke inlet cavity and the second smoke inlet cavity which are in one-to-one correspondence with the first smoke inlet and the second smoke inlet by the partition piece, so that the oil smoke flowing in from the first smoke inlet can flow to the air duct cover through the first smoke collecting cavity, the oil smoke flowing in from the second smoke inlet can flow to the air duct cover through the second smoke collecting cavity, that is, the oil smoke at the two smoke inlet openings can flow into the corresponding smoke collecting cavities without mutual interference, that is, the oil smoke flowing in from the two smoke inlet openings is not easy to cause air flow disorder due to cross collision in the flowing process, and therefore, the oil smoke flowing rate in the cavity can be improved, and the smoking efficiency is further improved. In addition, through set up the guard groove at the trailing flank of separator, can install oil pipe or other spare parts in the collection cigarette intracavity to the guard groove in to can shelter from the protection to these spare parts, reduce the pollution and the corruption that the oil smoke caused these spare parts, also make these spare parts surface cleaner simultaneously, reduce the clean degree of difficulty.

According to some embodiments of the utility model, the protection groove is an open groove formed on the rear side surface of the partition, and the rear side wall of the casing abuts against the rear side surface of the partition and seals the rear side opening of the protection groove.

According to some embodiments of the utility model, the guard groove extends in the up-down direction and penetrates through the upper end face and the lower end face of the partition, and the guard groove is formed by bending back the left and right side edges of the partition.

According to some embodiments of the utility model, an oil guide pipe is arranged in the protective groove in a penetrating way, the upper end of the oil guide pipe extends towards the fan and can bear oil drops on the surface of the fan, the lower end of the oil guide pipe extends to the bottom of the cavity, and/or a water pipe is arranged in the protective groove in a penetrating way, one end of the water pipe extends upwards to be close to the fan and is communicated with a spray head for cleaning the fan, and the other end of the water pipe extends to the outside of the shell.

According to some embodiments of the utility model, the oil guide pipe is arranged in the protective groove in a penetrating way, and the upper end edge of the oil guide pipe is provided with a bearing part which extends outwards from bottom to top and faces the fan.

According to some embodiments of the utility model, the oil guide pipe and the water pipe are arranged in the protective groove in a penetrating way, and the protective groove further comprises a water cup and an oil cup, wherein the water cup and the oil cup can be detachably arranged at the bottom of the shell, and the oil guide pipe and the water pipe are arranged on the bottom wall of the shell in a penetrating way and extend to the lower part of the shell.

According to some embodiments of the utility model, the bottom wall of the housing is mounted with a mounting member having a first mounting hole and a second mounting hole extending through the bottom wall of the housing, the lower end of the oil conduit is in communication with the first mounting hole, and the lower end of the water conduit is in communication with the second mounting hole.

According to some embodiments of the utility model, the water cup has a clean water tank and a dirty water tank, and when the water cup is mounted to the housing, the first mounting hole is in communication with the dirty water tank, and the second mounting hole is in communication with the clean water tank.

According to some embodiments of the utility model, the mounting member is connected to a blocking member capable of opening or blocking the second mounting hole.

According to some embodiments of the utility model, the plugging piece comprises a plugging portion and a sealing plug, the plugging portion is plugged in the second mounting hole and is provided with a via hole communicated with the second mounting hole, and the sealing plug is movably connected with the plugging portion and can open or seal the via hole.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of a range hood according to an embodiment of the present utility model;

fig. 2 is another schematic view of a range hood according to an embodiment of the present utility model;

fig. 3 is a schematic view of a partial structure of a range hood according to an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional view of a range hood according to an embodiment of the present utility model;

fig. 5 is another schematic cross-sectional view of a range hood according to an embodiment of the present utility model;

Fig. 6 is another schematic cross-sectional view of a range hood according to an embodiment of the present utility model;

FIG. 7 is an enlarged partial schematic view of FIG. 6 at A;

Fig. 8 is a schematic view of a range hood according to another embodiment of the present utility model;

Fig. 9 is a schematic cross-sectional view of the range hood of fig. 8;

Fig. 10 is a partially enlarged schematic view at B in the drawing.

Reference numerals:

The device comprises a casing 100, a first smoke collecting cavity 110, a first smoke inlet 111, a second smoke collecting cavity, a second smoke inlet 121, a third smoke collecting cavity 130, a third smoke inlet 131, an oil guide pipe 140, a bearing part 141, a water pipe 150, a spray head 151, a mounting piece 160, a first mounting hole 161, a second mounting hole 162, a plug part 170, a through hole 171 and a sealing plug 172;

the wind pipe cover 200, the fan 210, the volute 211 and the wind wheel 212;

A partition 300, a shield groove 310;

An oil cup 400;

a water cup 500, a clear water tank 510 and a sewage tank 520.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 6, an embodiment of the present utility model provides a range hood including a cabinet 100, a duct cover, and a partition 300. The casing 100 is provided with a cavity, the front side wall of the casing 100 is provided with a first smoke inlet 111 and a second smoke inlet 121 which are communicated with the cavity, and the first smoke inlet 111 and the second smoke inlet 121 are arranged at intervals along the length direction of the casing 100. The air duct cover is arranged above the machine shell 100 and is communicated with the cavity, and a fan 210 is arranged in the air duct cover. The partition 300 is disposed in the cavity and divides the cavity into a first smoke collecting cavity 110 and a second smoke collecting cavity 120 which are in one-to-one correspondence with the first smoke inlet 111 and the second smoke inlet 121, and the first smoke collecting cavity 110 and the second smoke collecting cavity 120 are both communicated with the air duct cover. Wherein, the rear side of the partition 300 is provided with a protective slot 310.

By adopting the range hood of the embodiment of the utility model, the cavity is divided into the first smoke inlet cavity and the second smoke inlet cavity corresponding to the first smoke inlet 111 and the second smoke inlet 121 one by using the partition 300, so that the oil smoke flowing in from the first smoke inlet 111 can flow to the air duct cover through the first smoke collecting cavity 110, the oil smoke flowing in from the second smoke inlet 121 can flow to the air duct cover through the second smoke collecting cavity 120, that is, the oil smoke at the two smoke inlet can flow into the corresponding smoke collecting cavities without mutual interference, that is, the oil smoke flowing in from the two smoke inlet is not easy to cause air flow disorder due to cross collision in the flowing process, so that the oil smoke flowing rate in the cavity can be improved, and the smoking efficiency is further improved. In addition, through setting up the shield groove 310 at the trailing flank of separator 300, can install the partial spare part in the collection cigarette chamber to in the shield groove 310 from this to can shelter from the protection to these spare part, keep out the oil smoke in the cavity, reduce the pollution and the corruption that the oil smoke caused these spare part, also make these spare part surfaces cleaner simultaneously, reduced the clean degree of difficulty.

Referring to fig. 1 to 6, in some embodiments, the protection slot 310 is an open slot formed on the rear side of the partition 300, and the rear side wall of the casing 100 abuts against the rear side of the partition 300 and blocks the rear opening of the protection slot 310.

In the above-described configuration, the shield groove 310 is provided as the open groove located on the rear side surface of the spacer 300, thereby facilitating the opening process of the shield groove 310, and the rear side surface of the spacer 300 is abutted against the rear side wall of the casing 100, so that the rear side opening of the shield groove 310 can be blocked by the rear side wall of the casing 100, thereby further protecting and limiting the components in the shield groove 310, and thus improving the protecting effect of the shield groove 310. In addition, the structure is also beneficial to the installation of the components in the protection slot 310, specifically, the components can be installed in the cavity first, and then the partition 300 is installed, so that the protection slot 310 is covered on the periphery of the components and is abutted against the rear side wall of the casing 100.

Referring to fig. 1 to 6, in some embodiments, the shielding groove 310 extends in the up-down direction and penetrates the upper and lower end surfaces of the partition 300, and the shielding groove 310 is formed by bending back the left and right side edges of the partition 300.

By adopting the above structure, the protection slot 310 extends in the up-down direction and penetrates the upper end face and the lower end face of the partition 300, thereby facilitating the opening of the protection slot 310 and simultaneously facilitating the connection of the parts in the protection slot 310 and the external structure. Through with the guard groove 310 by the left and right both sides edge backward bending formation of separating member 300, not only can improve separating member 300's structural strength from this, also make guard groove 310's processing more simple and convenient simultaneously, only need the bending process can, be favorable to improving separating member 300's production machining efficiency.

Referring to fig. 1 to 7, an oil guide pipe 140 is penetrated in the protective groove 310, an upper end of the oil guide pipe 140 extends toward the fan 210 and can receive oil drops on the surface of the fan 210, and a lower end of the oil guide pipe 140 extends to the bottom of the cavity.

Through adopting above-mentioned structure, lead the upper end of oil pipe 140 and extend and be close to fan 210, the lower extreme extends to oil cup 400 to can accept the oil drop that fan 210 surface gathered and guide the oil drop to the cavity bottom, avoid the oil drop to directly drip to the inside wall of casing 100 or from advancing the cigarette mouth and drip to the top of a kitchen range downwards after fan 210 surface gathers, can make the cigarette machine cleaner from this, and then can reduce the clean degree of difficulty of casing 100, also make the top of a kitchen range environment cleaner and tidier simultaneously. Through locating oil pipe 140 in guard slot 310, then can reduce the interior oil smoke of cavity and lead the pollution and the corruption of oil pipe 140, not only can prolong the life who leads oil pipe 140, can also make the surface that leads oil pipe 140 cleaner, and then make dismantlement, the change of leading oil pipe 140, maintenance more convenient to the clean degree of difficulty of leading oil pipe 140 has been reduced.

Referring to fig. 1 to 10, in some embodiments, the casing 100 is further provided with a third smoke collecting cavity 130 located above the cavity and extending forward relative to the cavity, the third smoke collecting cavity 130 is in communication with the first smoke collecting cavity 110 and the second smoke collecting cavity 120, the air duct cover is located above the third smoke collecting cavity 130 and is in communication with the third smoke collecting cavity 130, and a lower side wall of the third smoke collecting cavity 130 is provided with a third smoke inlet 131. Therefore, the range hood can also extract oil smoke through the third smoke inlet 131 above, and the oil smoke extraction efficiency is further improved. At this time, the fan 210 is located above the third smoke collecting cavity 130, and by providing the oil guide pipe 140, it is further able to prevent the oil drops accumulated on the outer surface of the fan 210 from directly dripping onto the cooking bench from the third smoke inlet 131.

Referring to fig. 1 to 10, a water pipe 150 is penetrated in the protective groove 310, one end of the water pipe 150 extends upward to be close to the blower 210 and is communicated with a spray head 151 for cleaning the blower 210, and the other end of the water pipe 150 extends to the outside of the cabinet 100.

Through adopting above-mentioned structure, water pipe 150 can guide outside clear water to shower nozzle 151 department, cleans fan 210 through shower nozzle 151, can avoid fan 210 from influencing the smoking effect of fan 210 because of gathering a large amount of greasy dirt from this, and then can improve the oil smoke extraction efficiency of range hood. Through wear to locate water pipe 150 in the shield groove 310, then can reduce the pollution and the corruption of interior oil smoke of cavity to water pipe 150, not only can prolong the life of water pipe 150, can also make the surface of water pipe 150 cleaner, and then make the dismantlement, the change of water pipe 150, maintenance more convenient to the clean degree of difficulty of water pipe 150 has been reduced.

As can be appreciated, referring to fig. 6 to 10, in some embodiments, the fan 210 includes a volute 211 and a wind wheel 212, the volute 211 is installed in a duct cover, the wind wheel 212 is installed in the volute 211, the nozzle 151 is specifically installed in the volute 211, the water inlet end of the nozzle 151 is located outside the volute 211, and the water outlet end of the nozzle 151 extends to the inside of the volute 211, so that cleaning can be conveniently performed on the inner wall of the volute 211 and the wind wheel 212 in the volute 211, and further cleaning can be performed on the fan 210, the influence of accumulated oil dirt on the operation of the fan 210 is further reduced, and the efficiency of extracting oil smoke of the range hood is improved.

It will be appreciated that referring to fig. 1 and 10, in some embodiments, the water pipe 150 and the oil guide pipe 140 are simultaneously installed in the protection slot 310, thereby protecting the water pipe 150 and the oil guide pipe 140 at the same time, and also improving the space utilization rate in the cavity, so that the structure of the range hood is more compact. Of course, in addition to this, the water pipe 150 may be installed only in the shield groove 310 or the oil pipe 140 may be installed only in the shield groove 310, as needed, and the present utility model is not limited thereto.

Referring to fig. 1 to 10, in some embodiments, an oil guide pipe 140 is perforated in the guard groove 310, and an upper end edge of the oil guide pipe 140 has a receiving portion 141 extending from bottom to top toward the fan 210.

In the above structure, the setting of the receiving portion 141 can receive and collect the oil drops accumulated on the surface of the fan 210 to a greater extent, and guide the collected oil smoke into the oil guide pipe 140, and guide the collected oil smoke to the bottom of the cavity through the oil guide pipe 140, so that the risk that part of the oil drops on the surface of the fan 210 directly miss the oil guide pipe 140 and drop down to the side wall of the cavity or the cooking bench is further reduced.

Referring to fig. 1 to 10, in some embodiments, the oil guide pipe 140 and the water pipe 150 are disposed in the protective slot 310 in a penetrating manner, and further include a water cup 500 and an oil cup 400, where the water cup 500 and the oil cup 400 can be detachably mounted at the bottom of the casing 100, and the oil guide pipe 140 and the water pipe 150 are disposed through the bottom wall of the casing 100 and extend below the casing 100.

Through adopting above-mentioned structure, when the range hood is normally used, can install oil cup 400 to the casing 100 bottom, from this, lead oil pipe 140 can direct the oil drop that fan 210 surface gathered to in the oil cup 400, when need wash fan 210 or need clear up the greasy dirt in the oil cup 400, then can take off oil cup 400 from casing 100. If the fan 210 needs to be cleaned, the water cup 500 can be mounted at the bottom of the casing 100, and the lower end of the water pipe 150 is communicated with the water cup 500, so that water in the water cup 500 can be pumped to the spray head 151 through the water pipe 150 by the water pump to clean the fan 210, and the operation and use of a user can be facilitated.

It is understood that the oil cup 400 and the water cup 500 may be detachably mounted at the bottom of the casing 100 by a clamping or screwing manner.

Referring to fig. 6 to 10, in some embodiments, the bottom wall of the cabinet 100 is mounted with a mounting member 160, the mounting member 160 has a first mounting hole 161 and a second mounting hole 162 extending through the bottom wall of the cabinet 100, the lower end of the oil guide pipe 140 communicates with the first mounting hole 161, and the lower end of the water pipe 150 communicates with the second mounting hole 162.

In the above structure, the installation member 160 is beneficial to extending the water pipe 150 and the oil guide pipe 140 to the lower side of the casing 100, and further beneficial to guiding oil drops into the oil cup 400 by the oil guide pipe 140, and also beneficial to pumping clean water in the water cup 500 into the water pipe 150. In addition, the installation member 160 is also beneficial to fixing the water pipe 150 and the oil guide pipe 140, so that the installation of the water pipe 150 and the oil guide pipe 140 is more firm and stable.

It can be appreciated that the lower end of the oil conduit 140 is communicated with the first mounting hole 161, specifically, the lower end of the oil conduit 140 and the first mounting hole 161 can be inserted into each other, so that the connection between the oil conduit 140 and the connecting piece is firmer, and the fixing of the oil conduit 140 is facilitated, and the installation of the oil conduit 140 is firmer and more stable. Likewise, the lower end of the water pipe 150 is mutually communicated with the second mounting hole 162, specifically, the lower end of the water pipe 150 and the second mounting hole 162 can be mutually inserted, so that the connection between the water pipe 150 and the connecting piece is firmer, fixing of the water pipe 150 is facilitated, and the water pipe 150 is firmer and more stable to install.

Referring to fig. 8 to 10, in some embodiments, the water cup 500 has a fresh water tank 510 and a dirty water tank 520, and when the water cup 500 is mounted to the housing 100, the first mounting hole 161 communicates with the dirty water tank 520 and the second mounting hole 162 communicates with the fresh water tank 510.

Through adopting above-mentioned structure, when needs wash fan 210, install the bottom to casing 100 with drinking cup 500, hold the clear water in clear water tank 510, the lower extreme of water pipe 150 is linked together with clear water tank 510, and from this water pipe 150 can be through the extraction of the clear water in the clear water tank 510 to shower nozzle 151 department to can wash fan 210. The sewage generated after the fan 210 is cleaned can drop into the oil guide pipe 140 along the outer surface of the fan 210 and flow into the sewage tank 520 of the water cup 500 along the oil guide pipe 140, which is beneficial to discharging the sewage generated by cleaning the fan 210 to the outside of the casing 100 and avoiding the sewage from accumulating in the inside of the casing 100. In addition, when the blower 210 is cleaned, the sewage flowing into the oil guide pipe 140 can also carry out part of the oil dirt adsorbed to the inner wall of the oil guide pipe 140 into the sewage tank 520, thereby cleaning the inside of the oil guide pipe 140.

Referring to fig. 8-10, in some embodiments, a blocking member capable of opening or blocking the second mounting hole 162 is coupled to the mounting member 160.

Through adopting above-mentioned structure, when not needing to wash fan 210, can carry out the shutoff with second mounting hole 162 through the shutoff piece, avoid external debris to get into water pipe 150 through second mounting hole 162 and cause the pollution to water pipe 150, also avoid simultaneously when the range hood normally works, the greasy dirt accident in the oil cup 400 gets into in the water pipe 150 and causes the pollution to water pipe 150.

Referring to fig. 8 to 10, in some embodiments, the blocking member includes a plug portion 170 and a sealing plug 172, the plug portion 170 is inserted into the second mounting hole 162 and is provided with a via hole 171 communicating with the second mounting hole 162, and the sealing plug 172 is movably connected with the plug portion 170 and can open or seal the via hole 171.

Through adopting above-mentioned structure, set up the shutoff piece into grafting portion 170 and sealing plug 172, sealing plug 172 and grafting portion 170 swing joint, from this when needs washing fan 210, only need with sealing plug 172 pull out from hole 171 can, when need not clean fan 210 again with sealing plug 172 insert in hole 171 in order to carry out the shutoff to hole 171 can, easy operation is convenient, and because sealing plug 172 swing joint is in grafting portion 170, consequently need not worry that sealing plug 172 can lose the part because of the user places improperly when opening hole 171. In addition, by inserting the insertion portion 170 into the second mounting hole 162, the plugging member can be replaced in time when the plugging member is damaged.

It will be appreciated that the sealing plug 172 is movably connected to the plug portion 170, and specifically, the plug portion 170 and the sealing plug 172 may be connected by a flexible member, such as a rubber member, a silicone member, or the like, which is capable of deforming under an external force. In addition, in order to effectively seal the via hole 171, a flexible member such as a rubber member or a silicone member may be used as the sealing member.

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

Claims (10)

1. The range hood, its characterized in that includes:

The machine shell (100) is provided with a cavity, a first smoke inlet (111) and a second smoke inlet (121) which are communicated with the cavity are formed in the front side wall of the machine shell (100), and the first smoke inlet (111) and the second smoke inlet (121) are arranged at intervals along the length direction of the machine shell (100);

The air duct cover (200) is arranged above the shell (100) and is communicated with the cavity, and a fan (210) is arranged in the air duct cover (200);

The separation piece (300) is arranged in the cavity and separates the cavity into a first smoke collecting cavity (110) and a second smoke collecting cavity (120) which are communicated with the first smoke inlet (111) and the second smoke inlet (121) in a one-to-one correspondence manner, and the first smoke collecting cavity (110) and the second smoke collecting cavity (120) are communicated with the air pipe cover (200);

Wherein, the rear side of the separating piece (300) is provided with a protective groove (310).

2. The range hood according to claim 1, wherein the protection groove (310) is an open groove formed on the rear side surface of the partition (300), and the rear side wall of the casing (100) abuts against the rear side surface of the partition (300) and blocks the rear side opening of the protection groove (310).

3. The range hood according to claim 2, wherein the guard groove (310) extends in the up-down direction and penetrates the upper and lower end surfaces of the partition member (300), and the guard groove (310) is formed by bending back the left and right side edges of the partition member (300).

4. The range hood according to claim 3, wherein,

An oil guide pipe (140) is arranged in the protective groove (310) in a penetrating way, the upper end of the oil guide pipe (140) extends towards the fan (210) and can receive oil drops on the surface of the fan (210), and the lower end of the oil guide pipe (140) extends to the bottom of the cavity;

And/or a water pipe (150) is arranged in the protective groove (310) in a penetrating way, one end of the water pipe (150) extends upwards to be close to the fan (210) and is communicated with a spray head (151) for cleaning the fan (210), and the other end of the water pipe (150) extends to the outside of the shell (100).

5. The range hood according to claim 4, wherein the oil guide pipe (140) is inserted into the protective groove (310), and an upper end edge of the oil guide pipe (140) is provided with a receiving portion (141) extending from bottom to top outwards towards the fan (210).

6. The range hood according to claim 4, wherein the oil guide pipe (140) and the water pipe (150) are provided in the guard groove (310) in a penetrating manner,

Still include drinking cup (500) and oil cup (400), drinking cup (500) with oil cup (400) all can demountable installation in the bottom of casing (100), lead oil pipe (140) with water pipe (150) all wear to locate the diapire of casing (100) and extend to casing (100) below.

7. The range hood according to claim 6, wherein a mounting member (160) is mounted to the bottom wall of the housing (100), the mounting member (160) having a first mounting hole (161) and a second mounting hole (162) extending through the bottom wall of the housing (100), the lower end of the oil guide pipe (140) being in communication with the first mounting hole (161), the lower end of the water pipe (150) being in communication with the second mounting hole (162).

8. The range hood of claim 7, wherein the water cup (500) has a clean water tank (510) and a dirty water tank (520), the first mounting hole (161) is in communication with the dirty water tank (520) and the second mounting hole (162) is in communication with the clean water tank (510) when the water cup (500) is mounted to the housing (100).

9. The range hood according to claim 8, wherein the mounting member (160) is connected with a blocking member capable of opening or blocking the second mounting hole (162).

10. The range hood according to claim 9, wherein the plugging member comprises a plugging portion (170) and a sealing plug (172), the plugging portion (170) is plugged into the second mounting hole (162) and is provided with a via hole (171) communicated with the second mounting hole (162), and the sealing plug (172) is movably connected with the plugging portion (170) and can open or seal the via hole (171).