CN216716331U

CN216716331U - Air inlet device and range hood

Info

Publication number: CN216716331U
Application number: CN202220087587.4U
Authority: CN
Inventors: 杨凯; 周军生; 张天宇
Original assignee: AO Smith China Water Heater Co Ltd
Current assignee: AO Smith China Water Heater Co Ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-10
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to an air intake device and a range hood, wherein the air intake device comprises a shell, an air suction opening arranged on the shell, an air exhaust opening arranged above the air suction opening in the height direction, and a first oil blocking piece arranged above the air suction opening in the height direction, the projection of the first oil blocking piece on the horizontal plane is at least partially overlapped with the projection of the air suction opening on the horizontal plane, the first oil blocking piece is obliquely arranged in the shell from a first end to a second end thereof, the first end of the first oil blocking piece is connected with the shell, and the second end of the first oil blocking piece is higher than the first end. The utility model solves the technical problems of oil floating and oil dripping which are easy to occur at the air suction port of the range hood.

Description

Air inlet device and range hood

Technical Field

The utility model relates to the field of oil fume extraction equipment, in particular to an air inlet device and a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern homes. The range hood has the main functions of sucking and removing oil smoke during cooking, preventing the oil smoke from being accumulated in a kitchen and providing a good cooking environment for a user. In the process of sucking and removing oil smoke, the existing range hood sucks the oil smoke through an exhaust inlet, and the oil smoke is exhausted outdoors through an exhaust outlet and a pipeline after passing through a filter screen inside the range hood.

The existing range hood (especially the side-draft range hood) has the following defects: oil drops located in the exhaust outlet and the range hood can fall back to the exhaust outlet, so that oil floating or oil dropping at the exhaust outlet can occur, the oil drops can often fall on a cooking bench and even can splash to a user, pollution is caused to a kitchen environment, and extremely poor use experience can be brought to the user.

Aiming at the problems of oil floating and oil dripping which are easy to occur at the air suction opening of the range hood in the related art, an effective solution is not provided at present.

Therefore, the inventor provides the air inlet device and the range hood by means of experience and practice of related industries for many years so as to overcome the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air inlet device and a range hood, which not only play a role in guiding smoke gas, but also can collect, guide and discharge oil drops on the premise of considering both noise and air volume by additionally arranging a first oil blocking piece and improving an oil way, so that the oil drops are prevented from dropping on a cooking bench and the like, and the use experience of a user is improved.

The purpose of the utility model can be realized by adopting the following technical scheme:

the utility model provides an air inlet device, which comprises a shell, an air suction opening arranged on the shell, an air outlet arranged above the air suction opening in the height direction, and a first oil blocking member arranged above the air suction opening in the height direction, wherein the projection of the first oil blocking member on the horizontal plane is at least partially overlapped with the projection of the air suction opening on the horizontal plane, the first oil blocking member is obliquely arranged in the shell from a first end to a second end, the first end of the first oil blocking member is connected with the shell, and the second end of the first oil blocking member is higher than the first end.

In a preferred embodiment of the present invention, a width of the first oil blocking member is greater than or equal to a width of the air suction opening.

In a preferred embodiment of the present invention, an angle between the first oil blocking member and a horizontal plane is greater than or equal to 5 °.

In a preferred embodiment of the present invention, the first oil blocking member is provided with an oil guiding portion, and an oil guiding flow passage is disposed inside the housing and is configured to receive liquid guided by the oil guiding portion.

In a preferred embodiment of the present invention, the oil guiding portion is located at or near a first end of the first oil blocking member, and the oil guiding portion includes a plurality of oil guiding holes, and the oil guiding holes are spaced apart from each other in a width direction of the first oil blocking member.

In a preferred embodiment of the present invention, at least a portion of the oil guiding channel is located on at least one side of the air suction opening, one end of at least a portion of the oil guiding channel is located below the first oil blocking member, and at least a portion of the oil guiding channel extends downward along the inner surface of the housing.

In a preferred embodiment of the present invention, the oil guiding channel extends downward to the bottom of the housing along the inner surface of the housing, and an oil cup is disposed at the bottom of the housing and is used for receiving the oil guided out by the oil guiding channel.

In a preferred embodiment of the present invention, an oil guide plate is disposed on an inner surface of the housing, the oil guide plate is located above and/or on at least one side of the air suction opening, and a part of the oil guide channel is formed between the oil guide plate or the oil guide plate and the inner surface of the housing.

In a preferred embodiment of the present invention, a second oil retaining member is disposed in the housing, the second oil retaining member is disposed between the housing and the first end of the first oil retaining member, and a portion of the second oil retaining member away from the first end to a portion of the second oil retaining member close to the first end are disposed in an inclined manner.

In a preferred embodiment of the present invention, the air suction opening is disposed obliquely with respect to a horizontal plane, and a panel is disposed upstream of the air suction opening along a flow direction of the flue gas, and the panel is provided with an opening and closing mechanism.

The utility model provides a range hood which comprises a fan box provided with a fan and the air inlet device, wherein when the range hood works, the fan is used for exhausting gas in the air inlet device.

In a preferred embodiment of the present invention, the inlet of the fan box is directly connected to the air outlet of the air intake device.

In a preferred embodiment of the present invention, the fan box and the air intake device are separately disposed, and an inlet of the fan box is connected to an air outlet of the air intake device through a pipeline.

In a preferred embodiment of the present invention, the duct is connected between the fan box and the air outlet of the air intake device, and a filter screen is disposed on the duct, and a first oil blocking member in the air intake device is located below the filter screen in a height direction, and a projection of the first oil blocking member on a horizontal plane at least partially coincides with a projection of the filter screen on the horizontal plane.

From the above, the air inlet device and the range hood of the utility model have the characteristics and advantages that: a first oil blocking piece is additionally arranged above an air suction opening of the air inlet device, and the first oil blocking piece is obliquely arranged in the shell from a first end to a second end of the first oil blocking piece, so that flue gas entering the shell through the air suction opening can be guided to the air outlet, and the air exhaust efficiency is improved; simultaneously, the setting of first fender oil spare can be collected the air exit drippage or the oil droplet that drifts away in the casing, has reduced the oil droplet and has dripped the emergence probability to the condition such as top of a kitchen range, has reduced the probability that causes the pollution to the kitchen environment, has improved user's use and has experienced.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:

FIG. 1: is a structural schematic diagram of the air inlet device.

FIG. 2: which is a partial enlargement of the position a in fig. 1.

FIG. 3: which is a partial enlarged view of the position B in fig. 1.

FIG. 4: is a right sectional view of the air intake device of the present invention.

FIG. 5: is a structural schematic diagram of the air intake device in the open state of the panel.

FIG. 6: is a structural schematic diagram of the air intake device with the panel in a closed state.

FIG. 7: is a schematic structural diagram of the range hood.

The reference numbers in the utility model are:

1. a housing; 101. An air suction opening;

102. an air outlet; 103. An oil guide flow passage;

104. an oil drain hole; 2. A first oil blocking member;

201. an oil guide part; 3. An oil cup;

4. filtering with a screen; 5. A second oil retaining member;

6. an air intake device; 7. A fan box;

8. a pipeline; 9. A panel;

901. an opening and closing mechanism.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

As shown in fig. 1 to 6, the present invention provides an air intake device, which includes a housing 1 and a first oil blocking member 2, wherein the housing 1 is provided with an air suction port 101 and an air discharge port 102, the air discharge port 102 is located above the air suction port 101 in the height direction, the first oil blocking member 2 is located above the air suction port 101 and below the air discharge port 102 in the height direction, the first oil blocking member 2 is obliquely disposed in the housing 1 from a first end to a second end thereof (the first end and the second end are opposite ends of the first oil blocking member 2), the first end of the first oil blocking member 2 is connected to the housing 1, the second end of the first oil blocking member 2 is higher than the first end, so that oil drops dropped from the air discharge port 102 or oil drops located in an inner space of the housing 1 can fall back onto a top surface of the first oil blocking member 2 to collect the oil drops, and the oil drops are prevented from dropping through the air suction port 101 to the outside of the housing 1 (e.g., on a cooking bench or a user), the phenomenon of oil dripping is avoided from polluting the outside, and the use experience of a user is improved; in addition, because first oil blocking member 2 is by its first end to its second end slope setting, and the projection of first oil blocking member 2 on the horizontal plane and the projection of inlet scoop 101 on the horizontal plane at least partially coincide to can play the water conservancy diversion effect to the flue gas that gets into in casing 1 by inlet scoop 101, effectively improve the outer discharge efficiency of flue gas, guarantee that air inlet unit has good smoke exhaust effect, improve the noise that the first oil blocking member 2 of flue gas impact produced to a large extent.

In an alternative embodiment of the present invention, the first oil blocking member 2 includes, but is not limited to, a plate-shaped structure that is disposed obliquely, and the width of the first oil blocking member 2 (where, the direction from the first end to the second end of the first oil blocking member 2 is defined as the length direction, and the direction perpendicular to the length direction is defined as the width direction) is greater than or equal to the width of the air suction opening 101, so that the first oil blocking member 2 can cover the air suction opening 101 in the width direction, and a good oil blocking effect is ensured.

Further, the included angle between the first oil retaining piece 2 and the horizontal plane is greater than or equal to 5 degrees, the arrangement of the inclination angle can guarantee that the flue gas has a good flow guide effect, collected oil drops can flow downwards along the top surface of the first oil retaining piece 2, and the collected oil drops can be smoothly guided and discharged outwards.

In an alternative embodiment of the present invention, as shown in fig. 2, the first oil blocking member 2 is provided with an oil guiding portion 201, the inner side of the housing 1 is provided with an oil guiding channel 103, and the oil guiding channel 103 is used for receiving the liquid guided out by the oil guiding portion 201. The oil droplets collected on the first oil blocking member 2 are collected to the oil guide portion 201 along the top surface of the first oil blocking member 2, and are dropped into the oil guide flow passage 103 through the oil guide portion 201, and then oil is guided through the oil guide flow passage 103.

In this embodiment, as shown in fig. 2, the oil guiding portion 201 is located at the first end of the first oil blocking member 2 or a position close to the first end, the oil guiding portion 201 includes a plurality of oil guiding holes, each of the oil guiding holes is spaced and uniformly arranged along the width direction of the first oil blocking member 2, and the oil can uniformly drop into the oil guiding flow channel 103 through each oil guiding hole, so as to improve the oil guiding efficiency and prevent the single oil guiding hole from being blocked to affect the flow guiding of the oil.

In an alternative embodiment of the present invention, as shown in fig. 1, 4 to 6, at least a portion of the oil guiding channel 103 is located on at least one side of the air suction opening 101, one end of the oil guiding channel 103 is located below the first oil baffle 2, and the oil guiding channel 103 extends downward along the inner surface of the housing 1 to the bottom of the housing 1. Preferably, oil guide flow passages 103 are respectively provided at both sides of the air suction opening 101, thereby improving oil guide efficiency.

In the present embodiment, as shown in fig. 1 and 3, an oil cup 3 is disposed at the bottom of the housing 1, a plurality of oil discharge holes 104 communicated with the top opening of the oil cup 3 are disposed at the bottom of the oil guide channel 103, the oil flows to the bottom of the housing 1 along the oil guide channel 103 and then drops into the oil cup 3 through each oil discharge hole 104, and the oil cup 3 is used for receiving the oil guided out by the oil guide channel 103.

Specifically, an oil guide plate is arranged on the inner surface of the casing 1, the oil guide plate is located above the air suction opening 101 and/or at least one side of the air suction opening 101, and a part of flow channel of the oil guide flow channel 103 is formed between the oil guide plate or the oil guide plate and the inner surface of the casing 1.

In an alternative embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 4 to fig. 6, a second oil blocking member 5 is disposed in the housing 1, the second oil blocking member 5 includes, but is not limited to, a plate-shaped structure disposed in an inclined manner, the second oil blocking member 5 is disposed between the housing 1 and a first end of the first oil blocking member 2, one end of the second oil blocking member 5 is connected to a top portion of the housing 1, the other end of the second oil blocking member 5 is connected to the first end of the first oil blocking member 2, and a portion of the second oil blocking member 5 away from the first end is disposed in an inclined manner downward from a portion of the second oil blocking member 5 close to the first end. Keep off oil spare 5 through the second and shelter from air inlet unit's control part or banks spare, avoid the interior oil droplet of casing 1 to cause the influence with control part or banks spare contact and to its normal work, oil droplet that is blockked by second oil spare 5 can drip to the second keeps off on oil spare 5's the top surface to the slope direction that prolongs second oil spare 5 flows down to the first top surface that keeps off oil spare 2, later can carry out the water conservancy diversion along leading oil runner 103.

In an alternative embodiment of the present invention, as shown in fig. 1, 4 to 6, the air suction opening 101 is disposed obliquely with respect to the horizontal plane (i.e., side suction type air suction opening), a panel 9 is disposed upstream of the air suction opening 101 in the flowing direction of the flue gas, and the panel 9 is provided with an opening and closing mechanism 901. The opening and closing mechanism 901 is a part of the panel hinged to the panel body, and when the opening and closing mechanism 901 is in an open state, an opening can be formed in the panel body, the opening can be arranged in a direction perpendicular to the panel body and opposite to the air suction opening 101, and external smoke can enter the shell 1 through the opening and the air suction opening 101 in sequence. The arrangement of the first oil baffle 2 can effectively improve the conditions of floating oil, oil leakage or oil dripping which are easily generated at the air suction port of the side-suction type air inlet device.

The air intake device of the utility model has the characteristics and advantages that:

firstly, in this air inlet unit, add first fender oil 2 in the top of its inlet scoop 101, and first fender oil 2 sets up by its first end to its second end slope to accessible first fender oil 2 plays the water conservancy diversion effect to the flue gas that gets into in the casing 1 by inlet scoop 101, ensures that the flue gas is discharged smoothly by air exit 102, improves the efficiency of airing exhaust, also can improve the noise that the first fender oil 2 of flue gas impact produced to a large extent to a certain extent.

Two, this air inlet unit accessible keeps off first oil piece 2 and collects and/or the water conservancy diversion oil droplet or the oil droplet in the casing 1 that drops air exit 102 to oil guide channel 103 through being located first fender oil piece 2 below is arranged outward the fluid of collecting, prevents effectively that oil droplet from dropping to the top of a kitchen range or the emergence of the on-body first-class condition of user, promotes the reliability of leading the oil circuit, avoids oil droplet to cause the pollution to the kitchen environment, promotes user's use and experiences.

As shown in fig. 1 to 7, the utility model provides a range hood, which comprises a fan box 7 and the air intake device 6, wherein a fan is arranged in the fan box 7, and when the range hood works, the fan is started to discharge smoke in the air intake device 6 outwards through the fan.

In the utility model, the fan box 7 and the air inlet device 6 can adopt two connection modes:

the first connection mode is as follows: the inlet of the fan box 7 is directly connected with the air outlet 102 of the air intake device 6, namely the fan box 7 and the air intake device 6 are integrally structured.

And a second connection mode: as shown in fig. 7, the fan box 7 and the air intake device 6 are arranged in a split manner, the inlet of the fan box 7 is connected with the air outlet 102 of the air intake device 6 through the pipeline 8, flue gas is discharged outside after passing through the air intake device 6, the pipeline 8 and the fan box 7 in sequence, and the fan box 7 can be arranged externally in this manner, so that noise can be reduced, and the use experience of the range hood is improved.

When the second connection mode is adopted, as shown in fig. 4 to 7, the pipeline 8 is connected between the fan box 7 and the air outlet 102 of the air intake device 6, the filter screen 4 is arranged on the pipeline 8, the first oil blocking piece 2 in the air intake device 6 is positioned below the filter screen 4 in the height direction, and the smoke can be filtered through the filter screen 4 and then drops onto the top surface of the first oil blocking piece 2, so that the purpose of purifying the externally-discharged smoke is achieved.

Further, as shown in fig. 4 to fig. 6, a projection of the first oil blocking member 2 on the horizontal plane is at least partially overlapped with a projection of the filter screen 4 on the horizontal plane, so that the first oil blocking member 2 can smoothly convey the guided flue gas to the exhaust opening 102, and the flue gas passes through the filter screen 4 to be discharged outside.

After comparative tests on the utility model, the following results are found:

under the condition that the first oil blocking part 2 is not arranged in the air inlet device 6, oil drops are dropped from the air suction opening 101 when the range hood is in a working or stopping state.

Under the condition that the air inlet device 6 is internally provided with the first oil blocking part 2, oil drops do not drop from the air suction opening 101 when the range hood is in a working or stopping state, and the air exhaust volume and the noise of the range hood are not influenced.

According to the test results, the arrangement of the first oil blocking piece 2 can play a role in blocking dripping of oil drops, cannot obstruct the outward discharge of smoke, and can reach the first-level silencing standard.

The range hood of the utility model has the characteristics and advantages that:

this lampblack absorber leads oil flow channel 103 through addding first fender oil spare 2 and setting up, not only plays the effect of water conservancy diversion to the flue gas, can collect and/or the water conservancy diversion oil drip under the prerequisite that does not increase the noise moreover, has effectively reduced the oil drip through inlet scoop 101 drip to the emergence probability of the condition of outside, promotes user's use and experiences.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the utility model should fall within the protection scope of the utility model.

Claims

1. The utility model provides an air inlet device, includes the casing, set up in inlet scoop on the casing and lie in the direction of height the air exit of inlet scoop top, its characterized in that, air inlet device still includes to be located in the direction of height the first oil spare that keeps off of inlet scoop top, first keep off the projection of oil spare on the horizontal plane with the projection at least partial coincidence of inlet scoop on the horizontal plane, first keep off oil spare by its first end to its second end slope set up in the casing, first keep off oil spare the first end with the casing is connected, first keep off oil spare the second end is higher than the first end.

2. The air intake apparatus of claim 1, wherein the width of the first oil baffle is greater than or equal to the width of the air inlet opening.

3. The wind intake apparatus of claim 1, wherein the angle between the first oil deflector and the horizontal plane is greater than or equal to 5 °.

4. An air intake device according to any one of claims 1 to 3, wherein the first oil blocking member is provided with an oil guide portion, and the inside of the casing is provided with an oil guide passage for receiving liquid guided from the oil guide portion.

5. The air intake apparatus of claim 4, wherein the oil guide portion is located at or near a first end of the first oil blocking member, the oil guide portion including a plurality of oil guide holes, the oil guide holes being spaced apart along a width direction of the first oil blocking member.

6. The air intake apparatus of claim 4, wherein at least a portion of the oil guide channel is disposed on at least one side of the air inlet opening, an end of at least a portion of the oil guide channel is disposed below the first oil baffle, and at least a portion of the oil guide channel extends downward along an inner surface of the housing.

7. The intake apparatus of claim 6, wherein the oil guide channel extends downward along the inner surface of the housing to the bottom of the housing, and an oil cup is disposed at the bottom of the housing for receiving the oil guided out by the oil guide channel.

8. The air intake device according to claim 4, wherein the casing is provided with an oil guide plate on the inner surface thereof, the oil guide plate is positioned above and/or on at least one side of the air suction opening, and the oil guide plate or a part of the oil guide plate is arranged between the oil guide plate and the inner surface of the casing to form the oil guide flow passage.

9. An air intake device according to any one of claims 1 to 3, wherein a second oil deflector is provided in the casing, the second oil deflector being provided between the casing and the first end of the first oil deflector, a portion of the second oil deflector remote from the first end being disposed obliquely downwards to a portion of the second oil deflector adjacent to the first end.

10. An air intake device according to any one of claims 1 to 3, wherein the air intake opening is arranged obliquely with respect to a horizontal plane, and a panel is arranged upstream of the air intake opening in a direction in which the flue gas flows, and the panel is provided with an opening and closing mechanism.

11. A range hood, characterized in that, the range hood includes the fan case that is provided with the fan and claims 1 to 10 the hot blast blowpipe apparatus, when the range hood is worked, the fan is used for discharging the gas in the hot blast blowpipe apparatus.

12. The range hood of claim 11, wherein an inlet of the fan box is directly connected to an exhaust outlet of the air intake device.

13. The range hood according to claim 11, wherein the fan box is provided separately from the air intake device, and an inlet of the fan box is connected to an exhaust outlet of the air intake device through a pipeline.

14. The range hood according to claim 13, wherein the pipeline is connected between the fan box and an exhaust outlet of the air intake device, a filter screen is arranged on the pipeline, a first oil blocking member in the air intake device is located below the filter screen in the height direction, and a projection of the first oil blocking member on the horizontal plane is at least partially overlapped with a projection of the filter screen on the horizontal plane.