CN220506876U

CN220506876U - Fume exhaust fan

Info

Publication number: CN220506876U
Application number: CN202322372241.6U
Authority: CN
Inventors: 徐敬龙
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-02-20
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a range hood, which comprises a range hood body and a dust collection assembly, wherein the range hood body comprises a volute, the volute is provided with a containing cavity with a first air inlet and a second air inlet, when the range hood works, the pressure intensity in the containing cavity is lower than the external pressure intensity, the dust collection assembly comprises a dust collection pipe, one end of the dust collection pipe is communicated with the first air inlet, and the other end of the dust collection pipe is communicated with the external environment. Through the dust collection assembly who communicates in first air intake, convenient clearance kitchen's sewage and dust to solve current lampblack absorber and do not have dust absorption function, current dust catcher is inconvenient to clear up the problem of kitchen sewage, and can clear up dust sewage when lampblack absorber suction oil smoke, make full use of lampblack absorber's suction capacity improves the energy utilization, and lampblack absorber can accomplish the function of suction oil smoke and dust absorption dirt simultaneously, reduces space occupation.

Description

Fume exhaust fan

Technical Field

The utility model relates to a range hood.

Background

In the cooking process, fine garbage and sewage can be generated, and the current range hood has only the function of fume suction and has no dust collection function. Most of the common household dust collectors are limited by small volume limiting suction force and small air quantity, and in order to prevent dust from entering the air again, a dustproof filter screen is generally required to be added, and the dustproof filter screen is generally not waterproof, so that the common household dust collectors cannot suck sewage. Sewage and garbage generated in a kitchen are often mixed with oil smoke, and the cleaner is difficult to clean after the common household cleaner is used. The existing range hood does not have a dust collection function, the existing dust collector is inconvenient to clean kitchen sewage, the space occupation of the split range hood and the dust collector is large, and the suction capacity of the range hood is not fully utilized.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing range hood does not have a dust collection function, the existing dust collector is inconvenient to clean kitchen sewage, the space occupation of the split range hood and the dust collector is large, and the suction capacity of the range hood is not fully utilized.

The utility model solves the technical problems by the following technical scheme:

the utility model provides a lampblack absorber, its characterized in that, includes lampblack absorber body and dust absorption subassembly, the lampblack absorber body includes the spiral case, the spiral case is equipped with the chamber that holds that has first air intake and second air intake, the lampblack absorber during operation, hold the intracavity pressure and be less than external pressure, the dust absorption subassembly includes the dust absorption pipe, the one end of dust absorption pipe communicate in first air intake, the other end of dust absorption pipe is linked together with the external world, the oil smoke is followed the second air intake gets into and holds the chamber.

In this scheme, the lampblack absorber has the suction and is greater than general domestic dust catcher, the direct flue of discharging into of air that has the dust need not secondary deashing and can inhale sewage's characteristics, through the dust absorption subassembly that communicates in first air intake, sewage and dust in clearance kitchen that can be convenient, the second air intake is used for sucking the oil smoke, lampblack absorber during operation can suction oil smoke and dust simultaneously, in order to solve current lampblack absorber and not have dust absorption function, current dust catcher is inconvenient to clear up kitchen sewage, and lampblack absorber and dust catcher components of a whole that can function independently space occupy great, the problem of the suction capacity of underutilization lampblack absorber.

Preferably, the dust collection assembly further comprises a wind collection cover, one end of the wind collection cover is communicated with the first air inlet, the other end of the wind collection cover is connected with the dust collection pipe, and the area of one end connecting surface of the wind collection cover connected with the first air inlet is larger than that of the connecting surface of the wind collection cover and the dust collection pipe.

In this scheme, through setting up the collection fan housing, make the suction bigger, the dust absorption dirt absorbing effect is better.

Preferably, the wind collecting cover is detachably and hermetically connected to the first air inlet.

In this scheme, the collection fan housing can be dismantled, connects the collection fan housing in order to the dust absorption when needs dust absorption, demolishs when not needing and makes first air intake fume extraction, and reduces later maintenance replacement cost, collection fan housing and first air intake sealing connection, promotes the dust absorption suction, raises the efficiency.

Preferably, the dust collection assembly comprises a sealing element, the sealing element is arranged between the first air inlet and the air collection cover, and two opposite sides of the sealing element are respectively attached to the first air inlet and the air collection cover; and/or, one of the first air inlet and the air collecting cover is provided with a buckle, and the other is provided with a clamping groove matched with the buckle.

In this scheme, through set up sealing member between first air intake and collection fan housing, promote dust absorption suction, raise the efficiency. Connect collection fan housing and first air intake through buckle draw-in groove matched with mode, appear damaging at one of them of collection fan housing and spiral case, only need change the spiral case or collection fan housing that damage can normal use to reduced use cost, had simple structure low cost's characteristics.

Preferably, the dust collection assembly further comprises a dust collection head, the dust collection head is connected to one end, far away from the first air inlet, of the dust collection pipe and is communicated with the dust collection pipe, and the dust collection head is communicated with the outside.

In this scheme, through the intercommunication dust absorption head, promote dust collection efficiency.

Preferably, the dust collection head is detachably connected to the dust collection pipe.

In this scheme, the dust absorption head can be dismantled and be convenient for select different dust absorption heads according to the different circumstances, and reduce later stage maintenance replacement cost, reduce and accomodate required space.

Preferably, the dust collection head is in a flat mouth shape or in a thin tube shape.

In this scheme, through the dust absorption head of flat mouth form more conveniently absorb the tiny particle dust, the tubulose dust absorption head is used for absorbing sewage.

Preferably, the dust collection assembly further comprises a filter screen, the filter screen is arranged in the dust collection pipe, and the filter screen is used for filtering impurities in the dust collection pipe.

In this scheme, through setting up the filter screen, can filter the impurity that the volume is great difficult for passing through the flue, avoid blockking up.

Preferably, the range hood further comprises a first blocking piece and a second blocking piece, the first blocking piece is movably arranged at the first air inlet and used for controlling the on-off of the first air inlet, the second blocking piece is movably arranged at the second air inlet and used for controlling the on-off of the second air inlet, and the range hood further comprises a controller used for receiving input signals and controlling the first blocking piece and the second blocking piece to move according to the input signals.

In this scheme, through first blocking part and second blocking part of controller control, can control the switching of first air intake and second air intake, make the lampblack absorber switch between smoking state, dust absorption state and smoking and dust absorption state, satisfy different service scenario.

Preferably, the range hood body further comprises a housing, a containing cavity is formed in the housing, the volute is arranged in the containing cavity, a first opening and a plurality of second openings are formed in the housing, the dust suction pipe penetrates through the first opening and stretches into the containing cavity to be communicated with the first air inlet, the second openings are arranged at intervals in the length direction of the housing, and the second openings are communicated with the second air inlet.

In this scheme, protect spiral case in the holding intracavity through the casing, and be convenient for the fixed and the installation of dust absorption pipe through first opening, promote range and the effect of range hood through a plurality of second openings. In addition, by adopting the structural form, the range hood body can be integrated, and the subsequent installation in a module form is convenient.

The utility model has the positive progress effects that: the utility model fully utilizes the characteristics that the suction force of the range hood is larger than that of a common household dust collector, the air with dust is directly discharged into a flue without secondary ash removal and sewage can be sucked, and the dust collection assembly communicated with the first air inlet conveniently cleans the sewage and dust in a kitchen so as to solve the problem that the existing range hood does not have a dust collection function and is inconvenient to clean the sewage in the kitchen.

Drawings

Fig. 1 is a front view of an embodiment of the present utility model.

Fig. 2 is a cross-sectional view along A-A of an embodiment of the present utility model.

Fig. 3 is a front view of a part of the structure of an embodiment of the present utility model.

Fig. 4 is a rear view of a part of the structure of an embodiment of the present utility model.

Reference numerals illustrate:

fume exhaust fan body 1

Volute 101

First air inlet 102

Oil cup 103

Second air inlet 104

Controller 105

Housing 106

First opening 107

Second opening 108

Accommodating chamber 109

Dust collection assembly 2

Dust collection head 201

Dust collection pipe 202

Wind collecting cover 203

Seal 204

Detailed Description

The following detailed description is directed to the accompanying drawings and detailed description of the utility model. The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are for illustration only and not for limitation of the utility model, as other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model. Other figures and other embodiments can be made by those skilled in the art without undue burden from an understanding of the principles of the present utility model, which are within the scope of the present utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description 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 therefore the above terms should not be construed as limiting the present utility model.

As shown in fig. 1-4, this embodiment discloses a range hood, this range hood includes range hood body 1 and dust absorption subassembly 2, range hood body 1 includes spiral case 101, spiral case 101 is equipped with the chamber 109 that holds that has first air intake 102 and second air intake 104, when the range hood works, hold the pressure in the chamber 109 and be less than external pressure, dust absorption subassembly 2 includes dust absorption pipe 202, dust absorption pipe 202's one end communicates in first air intake 102, dust absorption pipe 202's the other end is linked together with the external world, because hold chamber 109 internal pressure and be less than external pressure, thereby produce suction, dust absorption pipe 202 that is linked together in holding chamber 109 draws dust and sewage with this suction, the dust gets into exhaust duct through dust absorption pipe 202 and discharges, the problem of dust secondary pollution indoor air that needs to clear up the laying dust storehouse after having avoided general dust catcher dust absorption to end. In order to prevent dust in a dust accumulation bin from entering air, a dustproof filter screen needs to be installed, and the dustproof filter screen is generally waterproof, so that the common household dust collector cannot suck sewage, and besides, the sucked sewage easily causes short circuit of a dust collector, and danger occurs. Because the range hood is originally used for pumping oil smoke, oil in the pumped oil smoke is accumulated in the oil cup 103, and the range hood disclosed in the present embodiment utilizes this characteristic to collect pumped sewage in the oil cup 103 as well. The pressure in the accommodating cavity 109 is lower than the external pressure to generate suction, the second air inlet 104 is communicated with the accommodating cavity 109 and the external, and the lampblack is sucked through the second air inlet 104, so that the normal operation of the lampblack absorber is completed. The range hood has the characteristics that the suction is greater than general domestic dust catcher, the direct flue of discharging into of air with dust need not secondary deashing and can inhale sewage, through communicating in the dust absorption subassembly 2 of first air intake 102, sewage and dust in clearance kitchen that can be convenient, second air intake 104 is used for sucking the oil smoke, the during operation of range hood can suction oil smoke and dust simultaneously, in order to solve current range hood and not have dust absorption function, current dust catcher is inconvenient to clear up kitchen sewage, and range hood and dust catcher components of a whole that can function independently space occupy great, the suction capacity's of underutilization range hood problem.

In this embodiment, the dust collection assembly 2 further includes a wind collection cover 203 and a sealing member 204, one end of the wind collection cover 203 is communicated with the first air inlet 102, the other end of the wind collection cover 203 is connected to the dust collection pipe 202, and the area of the connecting surface of the wind collection cover 203 connected to the first air inlet 102 is larger than the area of the connecting surface of the wind collection cover 203 and the dust collection pipe 202. The sealing member 204 is disposed between the first air inlet 102 and the air collecting cover 203, and two opposite sides of the sealing member 204 are respectively attached to the first air inlet 102 and the air collecting cover 203. Through setting up collection fan housing 203, make the suction bigger, the dust absorption dirt effect is better, through setting up sealing member 204 between first air intake 102 and collection fan housing 203, promotes the dust absorption suction, raises the efficiency.

In this embodiment, the wind collecting cover 203 is detachably connected to the first air inlet 102, one of the first air inlet 102 and the wind collecting cover 203 is provided with a buckle, the other is provided with a clamping groove matched with the buckle, the wind collecting cover 203 and the first air inlet 102 are connected in a mode of matching the clamping groove, one of the wind collecting cover 203 and the volute 101 is damaged, and the wind collecting cover 203 can be normally used only by replacing the damaged volute 101 and the wind collecting cover 203, so that the use cost is reduced, and the wind collecting device has the characteristics of simple structure and low cost.

In specific use, the buckle is arranged on the wind collecting cover 203, and the clamping groove is arranged on the inner wall of the first air inlet 102. In other embodiments, the setting positions of the buckle and the clamping groove can be adjusted according to actual requirements, which is not limited herein.

In other embodiments, the first air inlet 102 and the second air inlet 104 can be used for sucking oil smoke, the air collecting cover 203 is detachably connected to the first air inlet 102, and the air collecting cover 203 is connected to collect dust when dust is required, so that the first air inlet 102 can suck oil smoke when the dust is not required, and the later maintenance and replacement cost is reduced.

The dust collection assembly 2 further comprises a dust collection head 201, the dust collection head 201 is connected to one end of the dust collection pipe 202 far away from the first air inlet 102 and is communicated with the dust collection pipe 202, and the dust collection head 201 is communicated with the outside. In order to facilitate the selection of different dust collection heads 201 according to different conditions, reduce the cost of maintenance and replacement in the later stage, reduce the space required for storage, and the dust collection heads 201 are detachably connected with the dust collection pipe 202. In this embodiment, the dust collection head 201 is flat, so as to conveniently absorb small particle dust, and the thin tube-shaped dust collection head 201 is used for absorbing sewage.

In this embodiment, the range hood works, and selects whether to connect the dust collection assembly 2 according to the use requirement, if the range hood is used for sucking oil smoke, the dust collection assembly 2 is not connected, and if the range hood is used for sucking dust, the dust collection assembly 2 is connected. When the dust collection device is used for dust collection, the range hood works, so that the pressure in the accommodating cavity 109 is smaller than the external pressure to generate suction, the air collection cover 203 communicated with the first air inlet 102 is reduced in cross-section diameter to lift the suction, dust and sewage are finally sucked through different dust collection heads 201 communicated with the dust collection pipe 202, the sucked dust sequentially passes through the dust collection pipe 202 and the accommodating cavity 109 and finally reaches the smoke exhaust pipeline to be discharged, and sucked sewage flows into the oil cup 103 in the accommodating cavity 109, so that the dust collection and sewage suction purposes are achieved.

In order to prevent the dust collection assembly 2 from being blocked, the dust collection assembly 2 further comprises a filter screen, wherein the filter screen is arranged in the dust collection pipe 202 and is used for filtering impurities in the dust collection pipe 202 to avoid blocking.

In this embodiment, the range hood further includes a first blocking member and a second blocking member, the first blocking member is movably disposed at the first air inlet 102, the first blocking member controls the on-off of the first air inlet 102, the second blocking member is movably disposed at the second air inlet 104, the second blocking member controls the on-off of the second air inlet 104, the range hood further includes a controller 105, the controller 105 receives an input signal, and controls the movement of the first blocking member and the second blocking member.

In this embodiment, the first and second blocking members match the shape of the first and second air inlets 102 and 104, respectively. When the first air inlet 102 and the second air inlet 104 are in the closed state, the projections of the first blocking member and the second blocking member in the axial direction of the first air inlet 102 and the second air inlet 104 may completely cover the first air inlet 102 and the second air inlet 104. In addition, in the present embodiment, the first blocking member and the second blocking member are respectively connected with the first air inlet 102 and the second air inlet 104 in a rotating manner, and in other embodiments, the manner in which the first blocking member and the second blocking member are movably connected may be adjusted according to the actual requirement, which is not limited herein.

When the device is only used for sucking oil smoke, the controller 105 receives an input signal, controls the first blocking piece to block the first air inlet 102, and the second blocking piece does not block the second air inlet 104, at this time, only the second air inlet 104 is communicated with the accommodating cavity 109, and negative pressure oil smoke sucking is formed in the accommodating cavity 109.

When the dust collector is only used for dust collection, the controller 105 receives an input signal, controls the second blocking part to block the second air inlet 104, and the first blocking part does not block the first air inlet 102, at this time, only the first air inlet 102 is communicated with the accommodating cavity 109, negative pressure is formed in the accommodating cavity 109 to suck dust and sewage, the sucked dust is discharged through the smoke exhaust pipeline, and the sucked sewage flows into the oil cup 103.

When the device is used for sucking oil smoke and sucking dust simultaneously, the controller 105 receives an input signal, controls the first blocking component to not block the first air inlet 102, and the second blocking component to not block the second air inlet 104, and at this time, the first air inlet 102 and the second air inlet 104 are communicated with the accommodating cavity 109, so that dust and smoke can be sucked simultaneously. The controller 105 controls the first blocking part and the second blocking part, so that the opening and closing of the first air inlet 102 and the second air inlet 104 can be controlled, and the range hood is switched among a smoking state, a dust collection state and a smoking and dust collection state, so that different use scenes are met.

In this embodiment, the input signal is a signal input to the range hood by the operator through the operation panel.

The range hood body 1 further comprises a shell 106, a containing cavity is formed in the shell 106, the volute 101 is arranged in the containing cavity, a first opening 107 and a plurality of second openings 108 are formed in the shell 106, the dust collection pipe 202 penetrates through the first opening 107 and stretches into the containing cavity to be communicated with the first air inlet 102, the plurality of second openings 108 are arranged at intervals along the length direction of the shell 106, and the second openings 108 are communicated with the second air inlet 104. The casing 106 protects the volute 101 in the accommodating cavity, the dust collection pipe 202 is convenient to fix and install through the first opening 107, and the range and effect of oil smoke suction are improved through the plurality of second openings 108. In addition, by adopting the structural form, the range hood body 1 can be integrated, and the subsequent installation in a module form is convenient.

Claims

1. The utility model provides a lampblack absorber, its characterized in that includes lampblack absorber body and dust absorption subassembly, the lampblack absorber body includes the spiral case, the spiral case is equipped with the chamber that holds that has first air intake and second air intake, the lampblack absorber during operation, hold the intracavity pressure and be less than external pressure, the dust absorption subassembly includes the dust absorption pipe, the one end of dust absorption pipe communicate in first air intake, the other end of dust absorption pipe is linked together with the external world, the oil smoke is followed the second air intake gets into and holds the chamber.

2. The range hood of claim 1, wherein the suction assembly further comprises a wind collecting hood, one end of the wind collecting hood is communicated with the first air inlet, the other end of the wind collecting hood is connected with the suction pipe, and the area of a connecting surface of one end of the wind collecting hood connected with the first air inlet is larger than the area of a connecting surface of the wind collecting hood and the suction pipe.

3. The range hood of claim 2, wherein the hood is removably sealingly coupled to the first air intake.

4. The range hood of claim 3, wherein the dust collection assembly comprises a sealing member disposed between the first air inlet and the air collection hood, opposite sides of the sealing member respectively fitting the first air inlet and the air collection hood;

and/or, one of the first air inlet and the air collecting cover is provided with a buckle, and the other is provided with a clamping groove matched with the buckle.

5. The range hood of claim 1, wherein the suction assembly further comprises a suction head connected to an end of the suction tube remote from the first air inlet and in communication with the suction tube, the suction head being in communication with the environment.

6. The range hood of claim 5 wherein the cleaning head is removably attached to the cleaning tube.

7. The range hood of claim 6, wherein the suction head is flat-mouth-shaped or the suction head is thin-tube-shaped.

8. The range hood of claim 1, wherein the dust collection assembly further comprises a filter screen disposed within the dust collection tube, the filter screen for filtering impurities in the dust collection tube.

9. The range hood of claim 1, further comprising a first blocking member and a second blocking member, wherein the first blocking member is movably disposed at the first air inlet, the first blocking member controls the on-off of the first air inlet, the second blocking member is movably disposed at the second air inlet, the second blocking member controls the on-off of the second air inlet, and the range hood further comprises a controller for receiving an input signal and controlling the movement of the first blocking member and the second blocking member according to the input signal.

10. The range hood of claim 9, wherein the range hood body further comprises a housing, a receiving cavity is formed in the housing, the volute is disposed in the receiving cavity, a first opening and a plurality of second openings are formed in the housing, the dust suction pipe penetrates through the first opening and stretches into the receiving cavity to be communicated with the first air inlet, and the plurality of second openings are arranged at intervals along the length direction of the housing and are communicated with the second air inlet.