CN217876026U

CN217876026U - Cooking fume exhauster

Info

Publication number: CN217876026U
Application number: CN202221698878.3U
Authority: CN
Inventors: 陈斌
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-11-22
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a range hood, including the first air inlet body and set up the second air inlet body in first air inlet body below, the air intake has been seted up to the front side that the second entered the body, the inboard fluid intercommunication of the first air inlet body and second air inlet body, the second air inlet body can be relative first air inlet body longitudinal shifting, its characterized in that: the range hood is characterized by further comprising a fixed box body arranged above the first air inlet body, the inner side of the fixed box body is communicated with the inner side fluid of the first air inlet body, the first air inlet body can be driven by the second air inlet body to move downwards relative to the fixed box body, and the first air inlet body keeps the trend of moving upwards relative to the fixed box body. Compared with the prior art, the utility model has the advantages of: the height control of the air inlets of a plurality of sections can be realized.

Description

Fume exhaust fan

Technical Field

The invention relates to an oil fume purification device, in particular to a range hood.

Background

The range hood has become one of the indispensable kitchen household electrical appliances in modern families. The range hood works by utilizing the fluid dynamics principle, sucks and exhausts oil smoke through a centrifugal fan arranged in the range hood, and filters partial grease particles by using a filter screen. The centrifugal fan comprises a volute, an impeller arranged in the volute and a motor driving the impeller to rotate. When the impeller rotates, negative pressure suction is generated in the center of the fan, oil smoke below the range hood is sucked into the fan, accelerated by the fan and then collected and guided by the volute to be discharged out of a room.

The user culinary art environment is different, for example the frying pan is about 120mm high apart from the mesa, and the steamer is about 320mm high apart from the mesa, consequently need have a plurality of gears to control the high culinary art environment that goes the adaptation difference of air intake. When the machine is shut down, the air inlet needs to be recovered and hidden in order to ensure the attractive appearance of the product.

Therefore, a range hood with a liftable air inlet body is provided, for example, a Chinese patent with the application number of 201811096500.4 discloses a liftable double-suction range hood, which comprises a cabinet body, a main air driving mechanism, a main suction mechanism, a lifting mechanism, an auxiliary suction mechanism, a main smoke removal mechanism and an auxiliary smoke removal mechanism, wherein the main suction mechanism comprises a smoke suction shell with a smoke suction port, a filter plate is obliquely arranged at the smoke suction port of the smoke suction shell, the lifting mechanism comprises a pair of lifting components for driving the smoke suction shell to move up and down and a driving piece for driving the lifting components to move, the lifting components are positioned and installed on the lifting shell, and reinforcing ribs corresponding to the lifting components are arranged on the smoke suction shell.

The user cooks the environment differently, for example the frying pan is highly about 120mm apart from the mesa, and the steamer is highly about 320mm apart from the mesa, consequently need have a plurality of gears to remove the height of control air intake and remove the different culinary art environment of adaptation, above-mentioned this kind of current range hood, only main suction mechanism can go up and down to the cabinet body relatively, and is relatively poor to the suitability of not co-altitude pan.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, provide a range hood, can realize the altitude control of the air intake of a plurality of section positions.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes first air inlet body and sets up the second air inlet body in first air inlet body below, the front side that the second entered the body is opened and is equipped with the air intake, the inboard fluid intercommunication of first air inlet body and second air inlet body, second air inlet body can be relative first air inlet body longitudinal movement, its characterized in that: the range hood is characterized by further comprising a fixed box body arranged above the first air inlet body, the inner side of the fixed box body is communicated with the inner side fluid of the first air inlet body, the first air inlet body can be driven by the second air inlet body to move downwards relative to the fixed box body, and the first air inlet body keeps the trend of moving upwards relative to the fixed box body.

Preferably, in order to realize that the first air inlet body can return to the initial position after moving downwards, the range hood further comprises an elastic part which enables the first air inlet body to keep moving upwards, the elastic part is arranged between the fixed box body and the first air inlet body, when the second air inlet body drives the first air inlet body to move downwards, the elastic part is in a compression state.

In order to realize that the second air inlet body can drive the first air inlet body to move downwards, the top of the second air inlet body is provided with a stop block, the inner side of the first air inlet body is provided with a butting part, and when the second air inlet body moves downwards, the bottom of the stop block can be abutted against the top of the butting part to drive the first air inlet body to move downwards.

In order to limit the upper limit position and the lower limit position of the first air inlet body, a first limit block used for limiting the upward movement limit position of the first air inlet body and a second limit block used for limiting the downward movement limit position of the first air inlet body are formed on the fixed box body.

In order to drive the second air inlet body to act, the range hood further comprises a moving mechanism capable of driving the second air inlet body to act, the moving mechanism comprises a linear driving module arranged on the fixed box body, and the output end of the linear driving module is connected with the first air inlet body.

Preferably, the structure of linear drive module does, the linear drive module includes drive arrangement, lead screw and the slider as the output of linear drive module, the lead screw longitudinal extension, the lead screw is driven by drive arrangement and can rotate around its self axis, the slider slides with the extending direction that the lead screw can be followed to lead screw threaded connection, motion still includes the connecting piece that is used for connecting slider and first air inlet body.

In order to realize the sliding connection between the first air inlet body and the second air inlet body, the motion mechanism further comprises a slide rail assembly which is longitudinally arranged between the first air inlet body and the second air inlet body, the slide rail assembly comprises a guide rail and a slide rail which can move relative to the extension direction of the guide rail, the guide rail is arranged on the inner side of the first air inlet body, and the slide rail is directly or indirectly connected with the second air inlet body.

In order to ensure the smoke gathering effect, the bottom of the front side of the first air inlet body is provided with a smoke baffle plate, the smoke baffle plate extends in the front and back directions, and the second air inlet body can move upwards to hide the air inlet to the inner side of the first air inlet body.

In order to realize the function of absorbing oil smoke, the range hood further comprises a power device, the power device is arranged above the fixed box body, the range hood further comprises a connecting pipeline which enables the inner side of the fixed box body to be communicated with the power device through fluid, and the connecting pipeline is arranged between the fixed box body and the connecting pipeline.

Compared with the prior art, the utility model has the advantages of: on the basis that the second air inlet body can be vertical to the first air inlet body, the rethread first air inlet body can relatively fix the box to removing to realize that the multistage of air intake goes up and down, with the culinary art environment of the not co-altitude pan of adaptation.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention after a first air inlet and a second air inlet both descend;

fig. 2 is a rear schematic view of a range hood according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion I of FIG. 2;

fig. 4 is a schematic view of the range hood according to the embodiment of the present invention after the first air inlet and the second air inlet are both raised;

fig. 5 is a schematic view of the linear driving module and the connecting member of the moving mechanism of the range hood according to the embodiment of the present invention;

fig. 6 is a schematic view of the range hood according to the embodiment of the present invention when the elastic member is in a free state;

fig. 7 is a schematic view illustrating a second air inlet of the range hood according to the embodiment of the present invention descending and the stop block not abutting against the abutting portion;

fig. 8 is a schematic view of the range hood according to the embodiment of the present invention, in which the second air inlet descends and the stopper abuts against the abutting portion to drive the first air inlet to descend.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention can be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 2 and 3, a range hood includes a first air intake body 1, a second air intake body 2, a fixed box body 3, a connecting pipeline 7 and a power device 6.

The second air inlet body 2 is arranged below the first air inlet body 1, the fixed box body 3 is arranged above the first air inlet body 1, and the inner side of the first air inlet body 1, the inner side of the second air inlet body 2 and the inner side of the fixed box body 3 are communicated in a fluid mode. The power unit 6 is disposed above the stationary case 3, and the connection pipe 7 is connected between the power unit 6 and the stationary case 3 such that the inside of the stationary case 3 is in fluid communication with the power unit 6. The second air inlet body 2 can move longitudinally relative to the first air inlet body 1, and the first air inlet body 1 can move longitudinally relative to the fixed box body 3.

The first air inlet body 1 comprises a first box body 13, a smoke baffle 14 is arranged on the front side of the bottom of the first box body 13, and the smoke baffle 14 extends forwards from the first box body 13, preferably horizontally. The first box 13 is sleeved outside the fixed box 3. The second air inlet 2 includes a second box 22, an air inlet 21 is opened at the front side of the second box 22, and the air inlet 21 extends along the left-right direction, preferably rectangular, and is opened at the lower part of the second box 22. The bottom of the first box body 13 is open and is sleeved outside the second box body 22, so that the first box body 13 is used for the second air inlet body 2 to enter upwards and hide and stretch out downwards.

The power device 6 is used for being installed in a suspended ceiling of a kitchen, the connecting pipeline 7 can be a hose preferably, and functional modules such as a filtering assembly, a noise reduction assembly and the like are arranged in the fixed box body 3. Alternatively, the range hood may have another shape, such as not providing the connection pipe 7, but providing a fan system (not shown) of the power device 6 in the fixed box 3, so that the fixed box 3 serves as a fan frame.

Referring to fig. 3, the second air supply body 2 can move upward to be hidden inside the first air supply body 1. After the second air inlet body 2 moves upwards, the air inlet 21 can be completely hidden inside the first air inlet body 1, so that the aesthetic property of the product can be ensured when the range hood is shut down.

Referring to fig. 5, the range hood further includes a moving mechanism capable of driving the second air inlet 2 to move. The movement mechanism comprises a linear driving module arranged at the rear side of the fixed box body 3. The linear driving module comprises a driving device 41, a screw rod 42 and a slide block 43. The screw rod 42 extends longitudinally, the screw rod 42 is driven by the driving device 41 to rotate around the axis of the screw rod 42, and the sliding block 43 is in threaded connection with the screw rod and can slide along the extending direction of the screw rod 42. The sliding block 43 is used as the output end of the linear driving module, and the moving mechanism further comprises a connecting piece 44 for connecting the sliding block 43 and the first air inlet body 1, so that the longitudinal movement of the second air inlet body 2 is realized. The linear driving module can also be replaced by other existing linear driving modules, such as a motor, a gear and rack, an air cylinder, an electric push rod and the like.

Referring to fig. 2 and 3, a receiving groove 33 recessed from a rear side surface toward an inner side is formed at a rear side of the fixed case 3, and a screw rod 42 and a slider 43 of the linear driving module are disposed in the receiving groove 33. The first air intake member 1 is formed with a stopper groove 12 recessed inward from the rear surface. The two limiting grooves 12 are respectively arranged corresponding to the left side and the right side of the accommodating groove 33, so that the first air inlet body 1 is limited to move up and down relative to the fixed box body 3.

Referring to fig. 6 and 8, the moving mechanism includes a rail assembly 45 longitudinally disposed at the first and second

air inlet bodies

1 and 2. The slide rail assembly 45 includes a guide rail 451 and a slide rail 452 capable of moving relative to the extending direction of the guide rail 451, the guide rail 451 is disposed inside the first air intake body 1, and the slide rail 452 is connected to the top of the second air intake body 2 through a bracket 8. In this embodiment, the number of the slide rail assemblies 45 is two, and the two slide rail assemblies are respectively disposed on the left and right sides of the range hood.

Referring to fig. 6 to 8, the range hood further includes an elastic member 5 for keeping the first air inlet body 1 moving upward. Elastic component 5 sets up between fixed box 3 and the first air inlet body 1, and the first air inlet body 1 can move down along with moving down of the second air inlet body 2, and after the second air inlet body 2 drove the first air inlet body 1 and moves down, elastic component 5 can be in compression state, and when the second air inlet body 2 moved up, under the elasticity reset effect of elastic component 5, first air inlet body 1 can move up. In this embodiment, the elastic members 5 are two air springs, the main body portions of the two air springs are respectively disposed at the left and right sides of the fixing box 3, and the output ends of the two air springs are respectively connected to the top portions of the first air inlet body 1. The force of the gas spring is equal to 1.2-2 times of the gravity of the first air inlet body 1, and the spring force always overcomes the gravity of the first air inlet body 1, so that the first air inlet body 1 is ensured not to fall down under the action of external force.

Referring to fig. 6 to 8, a stopper 9 is disposed on the top of the second air intake body 2, and a contact portion 11 is disposed on the inner side of the first air intake body 1. When the second air inlet body 2 moves down, the bottom of the stop block 9 can be abutted against the top of the abutting part 11 to drive the first air inlet body 1 to move down.

Referring to fig. 1 to 2 and 5 to 8, a first stopper 31 for controlling the upward movement amount of the first air intake body 1 and a second stopper 32 for controlling the downward movement amount of the first air intake body 1 are formed on the fixed box 3. The first stopper 31 and the second stopper 32 can limit the limit position of the first air inlet body 1 to move up and down. In this embodiment, the first stoppers 31 are respectively disposed on the left and right sides of the fixed box 3, and the second stoppers 32 are disposed on the front side of the fixed box 3.

When the machine is started, the motion mechanism controls the second air inlet body 2 (the air inlet 21) to move downwards, the motion stroke of the air inlet 21 is 80-150 mm, and at the moment, the first air inlet body 1 is fixed under the action of the elastic piece 5. After the second air inlet body 2 moves to the set maximum stroke relative to the first air inlet body 1, the stop block 9 contacts the butt portion 11 of the first air inlet body 1 to drive the first air inlet body 1 to move downwards, the movement stroke of the first air inlet body 1 is 200-300 mm, the first air inlet body 1 stops after moving to the second limit block 32 on the fixed box body 3, the two-section descending function of the air inlet 21 is realized, and the relative position relation of the smoke baffle 14 and the air inlet 21 is unchanged in the descending process of the first air inlet body 1.

When the shutdown, motion drives second air inlet body 2 (air intake 21) rebound, and first air inlet body 1 then up moves under the effect of elastic component 5 simultaneously, stops after first air inlet body 1 removes the first stopper 31 to fixed box 3, and second air inlet body 2 continues up to move, until retrieving completely and hiding in first air inlet body 1. The utility model discloses a multistage of air intake is adjusted to adapt to the different culinary art condition, and can hide the air intake when shutting down, improve the product exquisiteness.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims

1. The utility model provides a range hood, includes first air inlet body (1) and sets up second air inlet body (2) in first air inlet body (1) below, the front side of second air inlet body (2) is opened and is equipped with air intake (21), the inboard fluid intercommunication of first air inlet body (1) and second air inlet body (2), second air inlet body (2) can be relative first air inlet body (1) longitudinal shifting, its characterized in that: the range hood is still including setting up fixed box (3) in first air inlet body (1) top, the inboard of fixed box (3) and the inboard fluid intercommunication of first air inlet body (1), first air inlet body (1) can drive relatively fixed box (3) downstream by second air inlet body (2), and first air inlet body (1) keeps the trend of relatively fixed box (3) rebound.

2. The range hood of claim 1, wherein: the range hood further comprises an elastic part (5) which enables the first air inlet body (1) to keep moving upwards, the elastic part (5) is arranged between the fixed box body (3) and the first air inlet body (1), when the second air inlet body (2) drives the first air inlet body (1) to move downwards, and the elastic part (5) is in a compression state.

3. The range hood of claim 1 or 2, wherein: the top of the second air inlet body (2) is provided with a stop block (9), the inner side of the first air inlet body (1) is provided with a butting part (11), and when the second air inlet body (2) moves downwards, the bottom of the stop block (9) can be abutted against the top of the butting part (11) to drive the first air inlet body (1) to move downwards.

4. The range hood of claim 1 or 2, wherein: a first limiting block (31) used for limiting the upward movement limit position of the first air inlet body (1) and a second limiting block (32) used for limiting the downward movement limit position of the first air inlet body (1) are formed on the fixed box body (3).

5. The range hood of claim 1 or 2, wherein: the range hood further comprises a moving mechanism capable of driving the second air inlet body (2) to act, the moving mechanism comprises a linear driving module arranged on the fixed box body (3), and the output end of the linear driving module is connected with the first air inlet body (1).

6. The range hood of claim 5, wherein: the linear driving module comprises a driving device (41), a screw rod (42) and a sliding block (43) serving as an output end of the linear driving module, the screw rod (42) longitudinally extends, the screw rod (42) is driven by the driving device (41) to rotate around the axis of the screw rod, the sliding block (43) is in threaded connection with the screw rod and can slide along the extending direction of the screw rod (42), and the moving mechanism further comprises a connecting piece (44) used for connecting the sliding block (43) and the first air inlet body (1).

7. The range hood of claim 5, wherein: the motion still includes vertically sets up slide rail set spare (45) between first air inlet body (1) and second air inlet body (2), slide rail set spare (45) include guide rail (451) and can be relative slide rail (452) that the extending direction of guide rail (451) removed, guide rail (451) set up the inboard at first air inlet body (1), slide rail (452) are directly or indirectly connected with second air inlet body (2).

8. The range hood of claim 1 or 2, wherein: the bottom of the front side of the first air inlet body (1) is provided with a smoke baffle plate (14), and the smoke baffle plate (14) extends in the front-rear direction.

9. The range hood of claim 1 or 2, wherein: the range hood further comprises a power device (6), the power device (6) is arranged above the fixed box body (3), the range hood further comprises a connecting pipeline (7) which enables the inner side of the fixed box body (3) to be communicated with the power device (6) in a fluid mode, and the connecting pipeline (7) is arranged between the fixed box body (3) and the connecting pipeline (7).