CN215216358U

CN215216358U - Fume exhaust fan

Info

Publication number: CN215216358U
Application number: CN202023017744.4U
Authority: CN
Inventors: 徐群浪; 梅梦磊
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-12-17
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a range hood, including the collection petticoat pipe, its characterized in that: the inboard of collection petticoat pipe, from left to right be formed with first inlet air channel, second inlet air channel and the third inlet air channel of spaced apart in proper order, range hood is still including the flow adjustment mechanism who is used for controlling first inlet air channel and third inlet air channel flow. Compared with the prior art, the utility model has the advantages of: the air inlet air quantity of the left side and the right side can be adjusted according to actual cooking conditions, and the utilization efficiency of the air quantity and the oil smoke absorption efficiency are improved.

Description

Fume exhaust fan

Technical Field

The utility model relates to an oil smoke purifier, especially 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.

Chinese utility model patent of application number 202020498016.0 discloses a range hood, including a top collection petticoat pipe, establish bellows on a top collection petticoat pipe, with a communicating back of the body collection petticoat pipe of top collection petticoat pipe and establish the oil cup that connects at back of the body collection petticoat pipe lower extreme, the rear portion of the bottom of top collection petticoat pipe is equipped with and is equipped with the screw on the bottom plate between a plurality of water conservancy diversion hole, two adjacent water conservancy diversion holes, is equipped with the connecting hole on the roof of back of the body collection petticoat pipe on a plurality of water conservancy diversion hole, on the roof between two adjacent water conservancy diversion holes, the screw passes the connecting hole and closes with the screw spiral shell, top collection petticoat pipe and back of the body collection petticoat pipe cooperation.

The range hood of this structure has the following condition during operation: when only one burner of the range works, the oil smoke quantity at the left side and the right side of the air inlet is unbalanced, the oil smoke quantity at one side close to the burner is larger, the oil smoke quantity at the other side is smaller, and when the range hood works, the side with less oil smoke quantity can suck a large amount of air to influence the actual oil smoke suction quantity, thereby causing the low oil smoke suction efficiency and the energy waste of the range hood.

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 adjust the air inlet amount of wind of the left and right sides according to the culinary art condition of reality, improve the utilization efficiency and the oil absorption cigarette efficiency of the amount of wind.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a range hood, includes collection petticoat pipe, its characterized in that: the inboard of collection petticoat pipe is formed with first inlet air channel, second inlet air channel and the third inlet air channel of spaced apart from left to right in proper order, range hood still includes the flow control mechanism who is used for controlling first inlet air channel and third inlet air channel flow.

In order to form a plurality of inlet air channels and promote the utilization ratio of the amount of wind in the collection petticoat pipe, range hood is still including setting up at the fan frame of collection petticoat pipe top, setting up at the fan system of fan frame inboard and seting up at collection petticoat pipe top with the air outlet of fan system fluid intercommunication, the inboard interval of collection petticoat pipe is provided with first baffle and the second baffle that all arranges along collection petticoat pipe's bottom to the air outlet direction, first inlet air channel is located the left side of first baffle, second inlet air channel is located between first baffle and the second baffle, third inlet air channel is located the right side of second baffle.

In order to control the flow of the first output end and the third output end, the air outlet comprises a first output end of a first air inlet channel positioned on the left side of the first partition plate, a second output end of a second air inlet channel positioned between the first partition plate and the second partition plate and a third output end of a third air inlet channel positioned on the right side of the second partition plate, and the flow adjusting mechanism comprises a first adjusting mechanism used for controlling the flow of the first output end and a second adjusting mechanism used for controlling the flow of the third output end.

In order to control the flow of the first output end, the first adjusting mechanism comprises a first expansion plate arranged at the first output end, the first expansion plate can be in an expansion state and a contraction state, the first expansion plate covers the first output end when in the expansion state, and the first expansion plate exposes at least part of the first output end when in the contraction state.

In order to realize the expansion and the contraction of first expansion plate, the left and right directions action of first output is followed to first expansion plate, first expansion plate is including fixing the first stiff end in one of them one side of the first output left and right sides and can follow the first removal end that left and right directions removed, first adjustment mechanism is still including the first linear drive module of setting inboard at the fan frame that is used for driving first expansion plate action, the output of first linear drive module is connected to first removal end.

In order to control the flow of the second output end, the second adjusting mechanism comprises a second expansion plate arranged at the second output end, the second expansion plate can be in an expansion state and a contraction state, the second output end is shielded by the second expansion plate when the second expansion plate is in the expansion state, and at least part of the second output end is exposed by the second expansion plate when the second expansion plate is in the contraction state.

In order to realize the expansion and the contraction of second expansion plate, the second expansion plate moves along the left and right directions of second output, the second expansion plate is including fixing the second stiff end in one of them one side of second output left and right sides and can moving the second along left and right directions and remove the end, second adjustment mechanism is still including the setting that is used for driving the second expansion plate action at the inboard second sharp drive module of fan frame, the output of second sharp drive module is connected to the second and removes the end.

In order to enable the moving end of the telescopic plate to stably move, when the first adjusting mechanism comprises a first telescopic plate, the first moving end of the first telescopic plate is connected with the air frame in a sliding mode through a first sliding rail and sliding block assembly; when the second adjusting mechanism comprises a second telescopic plate, a second moving end of the second telescopic plate is connected with the fan frame in a sliding mode through a second sliding rail and sliding block assembly.

In order to realize smoke inlet, a first air inlet communicated with the first air inlet channel in a fluid mode, a second air inlet communicated with the second air inlet channel in a fluid mode and a third air inlet communicated with the third air inlet channel in a fluid mode are formed in the smoke collection cover.

In order to suck the oil smoke escaping to the upper parts of the first air inlet and the third air inlet, a boss protruding towards the front side is formed at the position, corresponding to the second air inlet channel, of the front side of the smoke collecting cover, the second air inlets are formed in the left side and the right side of the boss, and the second air inlets are located above the first air inlet and the third air inlet.

Compared with the prior art, the utility model has the advantages of: the flow regulating mechanism for controlling the flow of the first air inlet channel and the third air inlet channel is arranged, so that the air inlet amount of the left side and the right side can be regulated according to the actual cooking condition, and the utilization efficiency of the air amount and the oil smoke suction efficiency are improved; the first partition plate and the second partition plate are arranged on the inner side of the smoke collecting hood, so that three air inlet channels are formed on the inner side of the smoke collecting hood, and the utilization efficiency of air volume can be further improved; through setting up the first adjustment mechanism that is used for controlling first output flow and the second adjustment mechanism that is used for controlling third output flow to can adjust the left and right sides air inlet amount of wind according to the culinary art condition of reality, improve the utilization efficiency and the oil absorption cigarette efficiency of the amount of wind.

Drawings

Fig. 1 is a schematic view of a range hood according to an embodiment of the present invention;

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

fig. 3 is a sectional view of a part of components of the range hood according to the embodiment of the present invention;

fig. 4 is a sectional view of a part of components of the range hood according to the embodiment of the present invention;

fig. 5 is an exploded view of a part of components of the range hood according to the embodiment of the present invention;

Detailed Description

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

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions.

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," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are intended to be illustrative and should not be construed as limiting, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident 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, the range hood includes a fume collecting hood 1, a fan frame 2 disposed above the fume collecting hood 1, and a fan system 3 disposed inside the fan frame 2. The top of the fume collecting hood 1 is provided with an air outlet 11 communicated with the fluid of the fan system 3.

A first air inlet channel 4, a second air inlet channel 5 and a third air inlet channel 6 are formed on the inner side of the smoke collecting cover 1 from left to right in sequence. The inner side of the smoke collecting cover 1 is provided with a first partition plate 7 and a second partition plate 8 at intervals, wherein the first partition plate and the second partition plate are arranged along the direction from the bottom of the smoke collecting cover 1 to the air outlet 11. The first air inlet channel 4 is positioned on the left side of the first partition plate 7, the second air inlet channel 5 is positioned between the first partition plate 7 and the second partition plate 8, and the third air inlet channel 6 is positioned on the right side of the second partition plate 8.

Referring to fig. 2 to 5, the air outlet 11 includes a first output end 41 of the first air intake channel 4 located on the left side of the first partition 7, a second output end 51 of the second air intake channel 5 located between the first partition 7 and the second partition 8, and a third output end 61 of the third air intake channel 6 located on the right side of the second partition 8. The range hood also comprises a flow regulating mechanism 9 for controlling the flow of the first air inlet channel 4 and the third air inlet channel 6. The flow regulating means 9 comprises a first regulating means 91 for controlling the flow of the first output 41 and a second regulating means 92 for controlling the flow of the third output 61.

The first adjusting mechanism 91 includes a first retractable plate 911 disposed at the first output end 41 and a first slide bar 915 for sliding the first retractable plate 911. The first sliding bars 915 are respectively arranged at the front side and the rear side of the first output end 41, one end of each first sliding bar 915 is connected with the left side of the first output end 41, and the other end of each first sliding bar 915 is connected with the right side of the first output end 41. The two first sliding bars 915 respectively penetrate through the front side and the rear side of the first expansion plate 911.

The first expansion plate 911 can be in an expanded state and a contracted state. In the unfolded state, the first retractable plate 911 can cover the first output end 41, see fig. 3; in the retracted state, the first retractable plate 911 exposes at least a portion of the first output end 41, see fig. 4.

The first expansion plate 911 is expandable to the right of the first output end 41 and contractible to the left of the first output end 41. The first expansion plate 911 includes a first fixed end 9111 fixed to the left side of the first output end 41 and a first moving end 9112 movable in the left-right direction. The first adjusting mechanism 91 further comprises a first linear driving module 912 and a first sliding rail slider assembly 913, wherein the first linear driving module 912 is arranged on the inner side of the fan frame 2 and is used for driving the first retractable plate 911 to move. The first linear driving module 912 is disposed at a front side of the first output end 41, and the first sliding rail block component 913 is disposed at a rear side of the first output end 41. First linear drive module 912 includes first drive arrangement 9121, drives by first drive arrangement 9121 and can follow the first movable block 9123 that the length extending direction of first lead screw 9122 removed, first movable block 9123 and first lead screw 9122 threaded connection around its own axis pivoted first lead screw 9122 and the rotation through first lead screw 9122 to as first linear drive module 912's output. The first sliding rail slider assembly 913 includes a first sliding rail 9131 connected to the blower housing 2 and a first sliding block 9132 movable relative to the first sliding rail 9131. The moving directions of the first moving block 9123 and the first slider 9132 are the same as the action direction of the first expansion plate 911. The first adjusting mechanism 91 further includes a first connecting member 914, two ends of the first connecting member 914 are respectively connected with the first moving block 9123 and the first sliding block 9132, and a body of the first connecting member 914 is connected with the first moving end 9112.

The second adjusting mechanism 92 includes a second retracting plate 921 disposed at the second output end 51 and a second sliding bar 925 for sliding the second retracting plate 921. The second slide bars 925 are respectively arranged at the front side and the rear side of the second output end 51, one end of each second slide bar 925 is connected with the left side of the second output end 51, and the other end of each second slide bar 925 is connected with the right side of the second output end 51. The two second sliding bars 925 are respectively arranged at the front and rear sides of the second expansion plate 921 in a penetrating manner.

The second expansion plate 921 is capable of being in an expanded state and a contracted state. In the extended state, the second expansion plate 921 is able to cover the second output 51, see fig. 4; in the retracted state, the second retractable plate 921 exposes at least a portion of the second output end 51, see fig. 3.

The second expansion plate 921 expands to the left of the second output end 51 and contracts to the right of the second output end 51. The second expansion plate 921 includes a second fixed end 9211 fixed to the right side of the second output end 51 and a second movable end 9212 movable in the left-right direction. The second adjusting mechanism 92 further comprises a second linear driving module 922 arranged on the inner side of the fan frame 2 and a second sliding rail sliding block assembly 923, wherein the second linear driving module is used for driving the second expansion plate 921 to move. The second linear driving module 922 is arranged at the front side of the second output end 51, and the second sliding rail and sliding block assembly 923 is arranged at the rear side of the second output end 51. The second linear driving module 922 includes a second driving device 9221, a second lead screw 9222 driven by the second driving device 9221 and capable of rotating around its own axis, and a second moving block 9223 capable of moving along the length extending direction of the second lead screw 9222 through the rotation of the second lead screw 9222, wherein the second moving block 9223 is in threaded connection with the second lead screw 9222 and serves as an output end of the second linear driving module 922. The second slide rail sliding block assembly 923 includes the second slide rail 9231 that is connected with the fan frame 2 and the second slider 9232 that can move relative to the second slide rail 9231, and the moving direction of the second moving block 9223 and the second slider 9232 is the same as the action direction of the second expansion plate 921. The second adjusting mechanism 92 further comprises a second connecting member 924, two ends of the second connecting member 924 are respectively connected with the second moving block 9223 and the second slider 9232, and a body of the second connecting member 924 is connected with the second moving end 9212.

Referring to fig. 1 to 4, a first air inlet 12 in fluid communication with the first air inlet channel 4, a second air inlet 13 in fluid communication with the second air inlet channel 5, and a third air inlet 14 in fluid communication with the third air inlet channel 6 are formed on the smoke collecting hood 1. The first air inlet 12 and the third air inlet 14 are both arranged at the bottom of the front side of the fume collecting hood 1. The front side of the smoke collecting cover 1 is provided with a hollow boss 15 protruding to the front side corresponding to the second air inlet channel 5, and the second air inlet 13 is arranged at the left side and the right side of the boss 15.

Second inlet air channel 5 is opened all the time in the middle of the range hood during operation, and first inlet air channel 4 and third inlet air channel 6 realize opening and closing according to the condition of opening of cooking utensils, for example: when only the left cooker is in an open state, the first air inlet channel 4 is opened, and the third air inlet channel 6 is closed, so that the negative pressure area of the range hood is mainly concentrated on the left side, and the negative pressure is larger than that when the negative pressure area is distributed uniformly on the left and right, and the oil smoke can be sucked into the cavity more quickly. In addition, in the position arrangement of the air inlets, the first air inlet 12 and the third air inlet 14 are located at the same horizontal position and are closer to the oil smoke source, and the middle second air inlet 13 is located above the first air inlet 12 and the third air inlet 14, so that oil smoke escaping to the upper parts of the first air inlet 12 and the third air inlet 14 is mainly sucked, and the oil smoke escaping is reduced.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion), i.e., a fluid (gas, liquid or a mixture of both) 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, 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 collection petticoat pipe (1), its characterized in that: the inboard of collection petticoat pipe (1) is formed with first inlet air channel (4), second inlet air channel (5) and third inlet air channel (6) separated in proper order from left to right, range hood still includes flow control mechanism (9) that are used for controlling first inlet air channel (4) and third inlet air channel (6) flow.

2. The range hood of claim 1, wherein: range hood is still including setting up fan frame (2) in collection petticoat pipe (1) top, setting up fan system (3) inboard and seting up air outlet (11) at collection petticoat pipe top with fan system (3) fluid intercommunication, the inboard interval of collection petticoat pipe (1) is provided with first baffle (7) and second baffle (8) that all arrange to air outlet (11) direction along the bottom of collection petticoat pipe (1), first inlet air channel (4) are located the left side of first baffle (7), second inlet air channel (5) are located between first baffle (7) and second baffle (8), third inlet air channel (6) are located the right side of second baffle (8).

3. The range hood of claim 2, wherein: the air outlet (11) comprises a first output end (41) of a first air inlet channel (4) on the left side of a first partition plate (7), a second output end (51) of a second air inlet channel (5) between the first partition plate (7) and a second partition plate (8) and a third output end (61) of a third air inlet channel (6) on the right side of the second partition plate (8), and the flow adjusting mechanism (9) comprises a first adjusting mechanism (91) and a second adjusting mechanism (92), wherein the first adjusting mechanism is used for controlling the flow of the first output end (41), and the second adjusting mechanism is used for controlling the flow of the third output end (61).

4. The range hood of claim 3, wherein: first adjustment mechanism (91) is including setting up first expansion plate (911) in first output (41) department, first expansion plate (911) can be in development condition and shrink state, and when being in development condition, first expansion plate (911) cover first output (41), and when being in the shrink state, first expansion plate (911) expose at least partial first output (41).

5. The range hood of claim 4, wherein: first expansion plate (911) are followed the left and right directions action of first output (41), first expansion plate (911) are including first stiff end (9111) of fixing in one of them one side of first output (41) left and right sides and first removal end (9112) that can follow left and right directions and remove, first adjustment mechanism (91) are still including setting up at fan frame (2) inboard first linear drive module (912) that is used for driving first expansion plate (911) action, the output of first linear drive module (912) is connected to first removal end (9112).

6. The range hood of claim 3, wherein: the second adjusting mechanism (92) comprises a second expansion plate (921) arranged at the second output end (51), the second expansion plate (921) can be in an expansion state and a contraction state, when the second expansion plate is in the expansion state, the second output end (51) is shielded by the second expansion plate (921), and when the second expansion plate is in the contraction state, at least part of the second output end (51) is exposed by the second expansion plate (921).

7. The range hood of claim 6, wherein: second expansion plate (921) moves along the left and right directions of second output (51), second expansion plate (921) removes end (9212) including fixing second stiff end (9211) and can follow the left and right directions at the second stiff end of one of them side of second output (51) left and right sides, second adjustment mechanism (92) are still including setting up second sharp drive module (922) at fan frame (2) inboard that is used for driving second expansion plate (921) to move, the output of second sharp drive module (922) is connected to the second and removes end (9212).

8. The range hood of claim 5 or 7, wherein: when the first adjusting mechanism (91) comprises a first telescopic plate (911), a first moving end (9112) of the first telescopic plate (911) is connected with the air frame (2) in a sliding mode through a first sliding rail sliding block assembly (913); when second adjustment mechanism (92) includes second expansion plate (921), pass through second slide rail sliding block subassembly (923) sliding connection between second removal end (9212) of second expansion plate (921) and fan frame (2).

9. The range hood according to any one of claims 1 to 7, wherein: a first air inlet (12) communicated with the first air inlet channel (4) in a fluid mode, a second air inlet (13) communicated with the second air inlet channel (5) in a fluid mode and a third air inlet (14) communicated with the third air inlet channel (6) in a fluid mode are formed in the smoke collecting cover (1).

10. The range hood of claim 9, wherein: the front side of collection petticoat pipe (1) corresponds second inlet air channel (5) department and forms to convex boss (15) of front side, the left and right sides at boss (15) is seted up in second air intake (13), second air intake (13) are located the top of first air intake (12) and third air intake (14).