CN217154273U - Fume exhauster - Google Patents

Abstract

The utility model discloses a range hood, an air duct is arranged in an exhaust shell, a first smoke suction port is arranged on the lower surface of a smoke collecting cover, and a second smoke suction port is arranged on at least one side of the first smoke suction port, when a fan component works, negative pressure can be formed in the air duct to generate suction force to suck oil smoke into the air duct, the first smoke suction port is communicated with one end of the air duct in a butt joint way to fully utilize the suction force of the fan component to suck most of the oil smoke below the smoke collecting cover into the air duct, the oil smoke in the side area of the smoke collecting cover enters from the second smoke suction port and is gathered in a first smoke gathering cavity after rising, thereby avoiding the oil smoke from diffusing and escaping along the lower surface of the smoke collecting cover, meanwhile, an air inlet on the peripheral wall of the air duct can also timely suck the oil smoke gathered in the first smoke gathering cavity into the air duct under the action of negative pressure, thereby effectively preventing the oil smoke from escaping from the side of the smoke collecting cover and further enlarging the air inlet area, the smoke absorption effect of the range hood and the cooking experience of a user can be improved.

Description

Fume exhauster

Technical Field

The utility model relates to the technical field of household appliances, in particular to range hood.

Background

With the progress of science and technology, the range hood has become a necessary household appliance for vast families. The current range hood products on the market mainly adopt single-cavity air intake for smoking, and because the smoke exhaust duct is generally centrally designed, in order to fully utilize the suction force of the fan assembly, the smoking air inlet is usually arranged in the middle of the smoke collecting hood, however, the size of the air inlet for smoking in the middle is generally limited by processing, the air inlet area is limited, and the air inlet cannot effectively cover the side edge of the smoke collecting hood, so that the oil smoke is easy to escape from the side edge of the smoke collecting hood, the escaped oil smoke flows are as shown in figure 1, although the air inlet area can be enlarged by adding the smoke suction air inlet on the side surface of the smoke collecting cover, the oil smoke part in the side edge area can only enter the smoke suction air inlet on the side surface, and more oil smoke is still diffused along the wall surface of the smoke collecting cover and escapes from the side edge, so that the smoke suction effect of the range hood is poor, the oil smoke can be filled in a kitchen, and the cooking experience of a user is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a range hood through second smoking mouth and the first cooperation of holding together the cigarette structure, with the regional oil smoke of collection petticoat pipe side gather together in first holding together the smoke chamber and inhale the wind channel from the air intake on the wind channel perisporium, effectively prevent that the oil smoke from the side escape of collection petticoat pipe to can improve the smoking effect.

According to the utility model discloses a lampblack absorber of first aspect embodiment, include: the exhaust shell is internally provided with an air duct; the fan assembly is arranged on the exhaust shell and is positioned in the air duct; the collection petticoat pipe, the lower surface is provided with first smoking mouth and is located at least one side of first smoking mouth is provided with the second smoking mouth, the collection petticoat pipe with the exhaust shell is connected and the one end in wind channel with first smoking mouth butt joint intercommunication, the collection petticoat pipe is provided with first cigarette structure of holding together in order to inject first cigarette chamber of holding together, the second smoking mouth with first cigarette chamber intercommunication of holding together, be provided with on the perisporium in wind channel with the first air intake that holds together cigarette chamber intercommunication.

According to the utility model discloses lampblack absorber has following beneficial effect at least:

the smoke exhaust ventilator of the utility model can form negative pressure in the air duct to generate suction force to suck the oil smoke into the air duct when the fan component works, the first smoke suction port is communicated with one end of the air duct in a butt joint way, so that most of the oil smoke below the smoke collecting cover can be sucked into the air duct by fully utilizing the suction force of the fan component, the oil smoke in the side area of the smoke collecting cover enters from the second smoke suction port and is collected in the first smoke collecting cavity after rising, thereby preventing the oil smoke from diffusing and escaping along the lower surface of the smoke collecting cover, simultaneously, the air inlet arranged on the peripheral wall of the air duct can also timely suck the oil smoke collected in the first smoke collecting cavity into the air duct under the action of negative pressure, thereby can effectively prevent that the oil smoke from escaping from the side of collection petticoat pipe to utilize first smoking mouth and air intake air smoking simultaneously to still enlarge the air inlet area, be favorable to improving the smoking effect of lampblack absorber and user's culinary art experience.

According to the utility model discloses a some embodiments, the second smoking mouth has two, two the second smoking mouth sets up separately correspondingly the left and right sides of first smoking mouth, correspondingly, first holding together the smoke chamber has two, the air intake has two, the second smoking mouth first holding together the smoke chamber and the air intake one-to-one communicates.

According to some embodiments of the utility model, the lower surface indent of collection petticoat pipe is in order to form first cigarette structure of holding together.

According to the utility model discloses a some embodiments, still have a collection cigarette inner chamber in the collection petticoat pipe, first hold together the cigarette structure be provided with first vent of holding together cigarette chamber intercommunication, collection cigarette inner chamber respectively with the air intake with the vent intercommunication.

According to some embodiments of the invention, the vent is at least partially aligned with the air inlet.

According to the utility model discloses a some embodiments, still be provided with water conservancy diversion portion in the first cigarette structure of holding together, water conservancy diversion portion is used for leading the oil fume stream the vent.

According to some embodiments of the utility model, the smoke collecting hood in first smoke suction opening department is provided with the filter screen subassembly, the filter screen subassembly has a plurality of ventilation mesh holes.

According to the utility model discloses a some embodiments, the filter screen subassembly indent is held together the cigarette chamber in order to form the second, first smoking mouth with the cigarette chamber intercommunication is held together to the second.

According to some embodiments of the invention, the filter screen assembly is tilted upward from back to front.

According to some embodiments of the utility model, air intake department is provided with the grid structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a diagram of the effect of escaping oil smoke in the prior art;

FIG. 2 is a schematic structural diagram of one embodiment of the range hood of the present invention;

FIG. 3 is an exploded view of one embodiment of the range hood of the present invention;

FIG. 4 is a schematic view of an internal structure of one embodiment of the range hood of the present invention;

FIG. 5 is a schematic view of a smoke absorbing structure of one embodiment of the range hood of the present invention;

fig. 6 is a flow effect diagram of the oil smoke of one of the embodiments of the range hood of the present invention.

Reference numerals:

the exhaust hood comprises an exhaust casing 100, a coaming 110, a top plate 120, a back plate 130, an air inlet 101, an air outlet 102, a fan assembly 200, a wind wheel 210, a driving motor 220, a volute 230, a smoke collecting hood 300, a first smoke suction port 301, a second smoke suction port 302, a ventilation opening 303, a first smoke collecting structure 310, a first side peripheral wall 311, a first top wall 312, a smoke collecting inner cavity 320, a top cover plate 321, a rear closing plate 322, a filter screen assembly 400 and a control panel 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, according to the embodiment of the present invention, a range hood includes an exhaust casing 100, a fan assembly 200 and a smoke collecting hood 300, an air duct is provided in the exhaust casing 100, the fan assembly 200 is disposed on the exhaust casing 100 and the fan assembly 200 is located in the air duct, at least one side of the smoke collecting hood 300, which is provided with a first smoke collecting port 301 and is located in the first smoke collecting port 301, is provided with a second smoke collecting port 302, the smoke collecting hood 300 is connected to the exhaust casing 100 and is connected to the first smoke collecting port 301, the smoke collecting hood 300 is provided with a first smoke collecting structure 310 to define a first smoke collecting cavity, the second smoke collecting port 302 is connected to the first smoke collecting cavity, and an air inlet 101 is provided on a peripheral wall of the air duct and is connected to the first smoke collecting cavity.

Referring to fig. 1, current lampblack absorber is single chamber air inlet smoking mainly, because air inlet smoking mouth often arranges placed in the middle, consequently middle air inlet smoking mouth department suction is great, and the regional suction of side of keeping away from middle air inlet smoking mouth is less, can't absorb the oil smoke effectively, consequently the regional oil smoke of side rises to lampblack absorber department can spread and escape from the side of lampblack absorber, especially when the user explodes scenes such as stir-fry or double-range simultaneous use, the oil smoke volume is big, the oil smoke after escaping will fill in the kitchen, user's culinary art and use experience have seriously been influenced. Referring to fig. 2-6, the range hood of the present invention includes an exhaust casing 100, a fan assembly 200 and a smoke collecting hood 300, a control panel 500 is disposed in front of the smoke collecting hood 300, a user can control the range hood to start or stop or adjust speed by touching or pressing keys on the control panel 500, a cooking range is generally installed below the smoke collecting hood 300, high temperature oil smoke generated when a pot is placed on the cooking range for cooking rises to the smoke collecting hood 300 and is exhausted through the exhaust casing 100 under the action of the fan assembly 200, wherein the exhaust casing 100 can be a square cabinet box formed by combining a surrounding plate 110, a top plate 120 and a back plate 130, the bottom of the exhaust casing 100 is opened for air intake and smoking, an air outlet 102 is disposed at the top of the exhaust casing 100, the interior of the exhaust casing 100 is hollow to form an air duct, the fan assembly 200 is installed on the top plate 120 of the exhaust casing 100 and is located in the air duct, specifically, the fan assembly 200 may be formed by combining the wind wheel 210, the driving motor 220 and the volute 230, and the wind wheel 210 may be driven to rotate rapidly after the control panel 500 is turned on by operating a button and the driving motor 220 is started, so as to form a negative pressure in the air duct to generate a suction force to suck the oil smoke into the air duct and discharge the oil smoke to the outside through the air outlet 102 and the smoke pipe. Because the first smoke suction port 301 of the smoke collecting hood 300 is in butt communication with one end of the air duct, most of the oil smoke below the smoke collecting hood 300 can be sucked into the air duct and discharged to the outside by utilizing the suction force of the fan assembly 200 through the first smoke suction port 301, it should be noted that, because one side of the first smoke suction port 301 is further provided with the second smoke suction port 302 and the first smoke collecting cavity is defined by the first smoke collecting structure 310, the oil smoke in the side area of the smoke collecting hood 300 rises and enters and is collected in the first smoke collecting cavity through the second smoke suction port 302, thereby preventing the oil smoke from diffusing along the lower surface of the smoke collecting hood 300, it can be understood that, at the same time, the air inlet 101 arranged on the peripheral wall of the air duct can timely suck the collected oil smoke in the first smoke collecting cavity into the air duct, so that the oil smoke can be completely sucked in the side area of the smoke collecting hood 300 by utilizing the matching of the second smoke suction port 302, the first smoke collecting cavity and the air inlet 101, effectively prevent that the oil smoke from escaping from the side of collection petticoat pipe 300 to utilize air intake 101 and first smoking mouth 301 air inlet smoking simultaneously to enlarge the air inlet area, be favorable to improving the smoking effect of lampblack absorber and the culinary art of user in the kitchen is experienced.

In some embodiments of the present invention, as shown in fig. 2-3, there are two second smoking openings 302, two second smoking openings 302 are respectively and correspondingly disposed on the left and right sides of the first smoking opening 301, accordingly, there are two first smoking chambers, there are two air inlets 101, and the second smoking openings 302, the first smoking chambers and the air inlets 101 are communicated in a one-to-one correspondence manner.

It should be noted that, because a kitchen range commonly used in a household often has two cooking ranges, that is, the side areas of the left and right sides of the smoke collecting cover 300 are easy to have oil smoke escape, referring to fig. 2-3, the first smoke collecting port 301 is disposed in the middle of the smoke collecting cover 300, and the left and right sides of the smoke collecting cover 300 are respectively disposed with one second smoke collecting port 302, and the left and right sides of the smoke collecting cover 300 are also correspondingly disposed with the first smoke collecting structure 310 to define corresponding first smoke collecting chambers, and the two air inlets 101 are respectively correspondingly communicated with the two first smoke collecting chambers, so that the second smoke collecting ports 302 and the first smoke collecting chambers on the left and right sides can correspond to the left and right two cooking ranges, and the first smoke collecting port 301 in butt communication with one end of the air duct is used as a main air inlet, and the two air inlets 101 are used as auxiliary air inlets, thereby realizing simultaneous air intake and smoking through the three air inlets, not only be convenient for use with the cooperation of double-kitchen prevents that the oil smoke from the side escape, can also increase the air inlet area and the air inlet amount of wind of lampblack absorber effectively, be favorable to further improving the smoking effect of lampblack absorber, specific oil smoke gas flow effect can refer to figure 6.

In some embodiments of the present invention, as shown in fig. 2-5, the lower surface of the smoke collection cage 300 is recessed to form a first smoke collection structure 310.

It should be noted that, the first cigarette holding structure 310 may be composed of a plurality of sealing plates, the plurality of sealing plates are connected to each other and form a containing cavity as a first cigarette holding cavity, the first cigarette holding structure 310 may also be formed by stretching a metal plate, specifically, referring to fig. 2 to 5, the first cigarette holding structure 310 may be formed by recessing and stretching a metal wall surface below the cigarette holding cover 300, and the first cigarette holding structure is simple in structure, convenient to process and easy to implement.

In some embodiments of the present invention, as shown in fig. 5-6, a smoke collecting inner cavity 320 is further provided in the smoke collecting cover 300, the first smoke collecting structure 310 is provided with a ventilation opening 303 communicated with the first smoke collecting cavity, and the smoke collecting inner cavity 320 is respectively communicated with the air inlet 101 and the ventilation opening 303.

Specifically, referring to fig. 2 to 5, the first smoke collecting structure 310 formed by stretching includes a first side peripheral wall 311 and a first top wall 312, the first top wall 312 is connected to the first side peripheral wall 311 to form a first smoke collecting cavity, the bottom of the first smoke collecting cavity is open to form a second smoke suction port 302, the first side peripheral wall 311 is provided with a vent 303, referring to fig. 3 and 5 to 6, the smoke collecting cover 300 further has a smoke collecting inner cavity 320 therein, wherein the smoke collecting inner cavity 320 may be a closed inner cavity formed by a top cover plate 321 and a rear cover plate 322 disposed on the smoke collecting cover 300 and hermetically connected to the smoke collecting cover 300, the air inlet 101 is communicated with the smoke collecting inner cavity 320 to allow the smoke collecting inner cavity 320 to be in airflow communication with the air duct, so that the smoke collecting inner cavity 320 may form an integral negative pressure region with the air duct, negative pressure suction force generated by the fan assembly 200 in the air duct is transmitted to the vent 303 through the smoke collecting inner cavity 320 to achieve good suction of the smoke collected in the first smoke collecting cavity, therefore, the ventilation opening 303 can be arranged at different positions on the first smoke collecting structure 310, which is beneficial to improving the smoking effect of the range hood at the side area of the smoke collecting hood 300.

In some embodiments of the present invention, as shown in fig. 2-3, the vent 303 is at least partially aligned with the air inlet 101.

2-3, the vent 303 is disposed opposite to the air inlet 101, so as to reduce a path around which oil smoke turns, avoid loss of suction force, and facilitate ensuring good and smooth air intake and smoking between the air inlet 101 and the vent 303.

In some embodiments of the present invention, a guiding portion is further disposed in the first smoke collecting structure 310, and the guiding portion is used for guiding the oil smoke gas flow to the ventilation opening 303.

It should be noted that the guiding portion may be a guiding groove or a guiding curved surface disposed in the first smoke gathering structure 310, and the airflow guiding function of the guiding portion may enable the first smoke gathered in the smoke gathering cavity to flow to the ventilation opening 303, so that the negative pressure suction generated by the fan assembly 200 may rapidly exhaust the first smoke gathered in the smoke gathering cavity, which is beneficial to improving the smoke absorbing efficiency of the range hood. Specifically, for example, the inner wall surface of the first smoke collecting cavity may be designed as an inclined surface to form a flow guiding portion, referring to fig. 2 to 4, the first top wall 312 of the first smoke collecting structure 310 located at the left side of the smoke collecting hood 300 is inclined from left to right, the first top wall 312 of the first smoke collecting structure 310 located at the right side of the smoke collecting hood 300 is inclined from right to left, the smoke below the smoke collecting hood 300 enters the first smoke collecting cavity from the second smoke suction opening 302 and then continues to ascend and contact with the first top wall 312, and due to the inclined arrangement of the first top wall 312, the smoke will flow into the ventilation opening 303 arranged on the first side peripheral wall 311 along the inclined direction of the first top wall 312, so that the first top wall 312 arranged obliquely realizes the guiding of the smoke flow.

In some embodiments of the present invention, as shown in fig. 2 to 3, the smoke collecting cover 300 is provided with a screen assembly 400 at the first smoke exhaust port 301, and the screen assembly 400 has a plurality of ventilation holes.

It is that needs to explain, through setting up filter screen subassembly 400, can reduce the inside that the grease in the oil smoke enters into the lampblack absorber, can intercept long-time accumulation again in the inside oil droplet that down drips of lampblack absorber, prevent that the inside greasy dirt of lampblack absorber from directly dripping on the food in kitchen range or pan for the lampblack absorber is clean more sanitary in the use.

In some embodiments of the present invention, as shown in fig. 2-3, the screen assembly 400 is recessed to form a second smoke-holding chamber, and the first smoke-holding port 301 communicates with the second smoke-holding chamber.

It can be understood that, the filter screen assembly 400 is recessed to form the second smoke collecting cavity, so that the oil smoke is sucked into the air duct after being collected in the second smoke collecting cavity, and the smoking effect of the range hood at the first smoke suction port 301 can be improved by smoking after the oil smoke is collected firstly.

In some embodiments of the present invention, as shown in fig. 2-3, screen assembly 400 is angled upward from back to front.

It should be noted that, because the lampblack absorber is generally when installing and using, the rear side of lampblack absorber is leaned on the wall more, and the front side of lampblack absorber then is closer to kitchen range and pan, that is to say the front side of lampblack absorber will be closer to the source of oil smoke more, refer to fig. 2-3, from this can be with filter screen subassembly 400 from the back to preceding tilt up arrange, thereby make filter screen subassembly 400 front side hold together the cigarette space bigger, and the filter screen subassembly 400 of slope can also guide the direction of oil smoke gas stream, make the oil smoke can flow into in the wind channel along the incline direction of filter screen subassembly 400, the smoking effect is better.

In some embodiments of the present invention, as shown in fig. 3-4, a grille structure is disposed at the air inlet 101.

3-4, the air inlet 101 is provided with a plurality of grid holes by arranging the grid structure, and the adoption of the grid holes is beneficial to reducing disturbance of airflow and avoiding generation of vortex, so that noise generated when air is introduced into the air inlet 101 for smoking can be effectively reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A range hood, comprising:

the exhaust shell (100) is internally provided with an air duct;

a fan assembly (200) disposed in the exhaust case (100) and the fan assembly (200) is located in the air duct;

collection petticoat pipe (300), lower surface are provided with first smoking mouth (301) and are located at least one side of first smoking mouth (301) is provided with second smoking mouth (302), collection petticoat pipe (300) with exhaust casing (100) are connected and the one end in wind channel with first smoking mouth (301) dock the intercommunication, collection petticoat pipe (300) are provided with first cigarette structure (310) of holding together in order to inject first cigarette chamber of holding together, second smoking mouth (302) with first cigarette chamber intercommunication of holding together, be provided with on the perisporium in wind channel with air intake (101) of first cigarette chamber intercommunication of holding together.

2. A range hood according to claim 1, wherein: second smoking mouth (302) have two, two second smoking mouth (302) set up respectively correspondingly the left and right sides of first smoking mouth (301), correspondingly, first cigarette chamber of holding together has two, air intake (101) have two, second smoking mouth (302) first cigarette chamber of holding together and air intake (101) one-to-one intercommunication.

3. A range hood according to claim 1, characterized in that: the lower surface of the smoke collecting cover (300) is concave to form the first smoke collecting structure (310).

4. A range hood according to claim 3, characterized in that: still have collection cigarette inner chamber (320) in collection cigarette cover (300), first hold together cigarette structure (310) be provided with first vent (303) of holding together the cigarette chamber intercommunication, collection cigarette inner chamber (320) respectively with air intake (101) with vent (303) intercommunication.

5. A range hood according to claim 4, characterized in that: the ventilation opening (303) is at least partially opposite to the air inlet (101).

6. A range hood according to claim 4, characterized in that: still be provided with water conservancy diversion portion in the first cigarette structure (310) of holding together, water conservancy diversion portion is used for leading the oil fume gas stream to vent (303).

7. A range hood according to claim 1, characterized in that: the smoke collecting hood (300) is provided with a filter screen component (400) at the first smoke suction port (301), and the filter screen component (400) is provided with a plurality of ventilation meshes.

8. A range hood according to claim 7, characterized in that: the filter screen component (400) is concave to form a second cigarette holding cavity, and the first cigarette suction port (301) is communicated with the second cigarette holding cavity.

9. A range hood according to claim 7, characterized in that: the screen assembly (400) is inclined upward from rear to front.

10. A range hood according to claim 1, wherein: and a grid structure is arranged at the air inlet (101).

Images