CN212615441U - Auxiliary air inlet device for range hood and range hood - Google Patents

Abstract

The utility model provides a range hood is with supplementary hot blast blowpipe apparatus and range hood. The auxiliary air inlet device for the range hood is used for being installed on a smoke guide plate of the range hood, the auxiliary air inlet device for the range hood comprises an auxiliary air inlet shell, an auxiliary fan is installed in the auxiliary air inlet shell, an auxiliary impeller is installed on the auxiliary fan, the auxiliary impeller is driven to rotate by the auxiliary fan in the working process, a negative pressure air suction port absorbs oil smoke in a negative pressure absorption mode, and then the oil smoke can be accelerated to be discharged from an auxiliary air outlet of the auxiliary air inlet shell to an air inlet of the range hood. The utility model provides an auxiliary air inlet device for range hood can absorb the oil smoke in the area around the smoke deflector, and auxiliary range hood's air intake work has solved that current side formula range hood air intake is located cooking utensils one side and the one end oil smoke far away of existence escapes easily from cooking utensils, and makes the problem that kitchen greasy dirt and oil smoke are big, has improved user experience impression.

Description

Auxiliary air inlet device for range hood and range hood

Technical Field

The utility model relates to an oil smoke treatment facility technical field, more specifically say, in particular to supplementary hot blast blowpipe apparatus and range hood for range hood.

Background

The range hood is an important device for improving the cooking environment of a kitchen, and generally comprises three types of side suction type, European type and lower discharge type.

For the side type range hood, the side type range hood is usually installed at the side rear part of a pot, and in the cooking process, oil smoke is generated and then naturally rises and diffuses and is absorbed by the side type range hood. In the prior art, a typical side type range hood has the following structure: the smoke guide plate can be controlled to be opened and closed to realize work. When the smoke guide plate is opened to work, oil smoke rises and is intercepted by the smoke guide plate, and the fan behind the smoke guide plate operates, so that the oil smoke can enter the range hood from the air inlet and is exhausted to the outside through the exhaust pipe, and the aim of reducing the oil smoke in a kitchen is fulfilled.

For different cooking modes, the generated oil smoke amount is different, for example, during quick frying, a large amount of oil smoke can be generated instantly, and under the condition, part of the oil smoke is far away from the air inlet, and the oil smoke absorption capacity of the side type range hood needs to be further improved and improved due to the fact that the oil smoke passes over the smoke guide plate to escape.

Through the analysis, the existing side type range hood has the following problems: 1. the air inlet of the range hood is positioned at one side of the kitchen range, so that the smoke absorption capacity of the range hood is unbalanced; 2. the cigarette collecting effect of the cigarette guide plate is limited; 3. the oil smoke passing over the smoke guide plate can not be captured.

In summary, the problem that the oil smoke at the end far away from the kitchen range is easy to escape because the air inlet of the existing side type range hood is located at one side of the kitchen range, so that the oil stain and the oil smoke smell of the kitchen are large and the user experience is affected is solved, and the problem to be solved by the technical personnel in the field is urgently solved.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, the utility model provides a range hood is with supplementary hot blast blowpipe apparatus and a range hood of installing this range hood with supplementary hot blast blowpipe apparatus. The utility model provides an auxiliary air inlet device for range hood is used for installing the smoke deflector of range hood, and auxiliary air inlet device for range hood has set up supplementary impeller fan subassembly including supplementary air inlet shell in supplementary air inlet shell, and under the effect of supplementary impeller fan subassembly, the negative pressure inlet scoop can adopt the absorptive mode of negative pressure to absorb the oil smoke, then can accelerate the oil smoke and discharge to range hood's air intake from the supplementary air outlet of supplementary air inlet shell. The utility model provides an auxiliary air inlet device for range hood can absorb the oil smoke in the area around the smoke deflector, and auxiliary range hood's air intake work has solved that current side formula range hood air intake is located cooking utensils one side and the one end oil smoke far away of existence escapes easily from cooking utensils, and makes the problem that kitchen greasy dirt and oil smoke are big, has improved user experience impression.

First aspect

The utility model provides a supplementary air inlet device for range hood installs range hood's smoke deflector on for range hood's supplementary air inlet. This supplementary hot blast blowpipe apparatus for range hood includes: the auxiliary air inlet shell is provided with an auxiliary air outlet and a negative pressure air suction opening, and oil smoke enters the auxiliary air inlet shell from the negative pressure air suction opening and is blown out from the auxiliary air outlet in the direction towards the air inlet of the range hood; and the auxiliary impeller fan assembly is arranged in the auxiliary air inlet shell and is used for forming negative pressure in the auxiliary air inlet shell.

In an embodiment of the first aspect, the auxiliary impeller fan assembly comprises: the auxiliary fan is arranged in the auxiliary air inlet shell; and the auxiliary impeller is arranged on the auxiliary fan and used for enabling the oil smoke at the far end of the stove to be sucked into the negative pressure suction opening under the action of negative pressure formed in the auxiliary air inlet shell and to be discharged from the auxiliary air outlet to enter the air inlet.

In an embodiment of the first aspect, the auxiliary impeller is disposed towards the auxiliary air outlet.

In an embodiment of the first aspect, at least two auxiliary air outlets are provided; the auxiliary impeller is arranged on the auxiliary fan to form an auxiliary impeller fan assembly, the auxiliary impeller fan assemblies are arranged in a plurality, and one auxiliary impeller fan assembly is arranged at each corresponding auxiliary air outlet.

In an embodiment of the first aspect, an outer edge of the auxiliary air inlet casing is of a smooth arc-surface structure, and the negative pressure air inlet is formed in the outer edge of the auxiliary air inlet casing.

In an embodiment of the first aspect, one side surface of the auxiliary air intake housing is a mounting surface for mounting on a smoke guide plate of the range hood; the other side of supplementary air inlet shell is for leading the cigarette face, supplementary air outlet is seted up in lead on the cigarette face.

In an embodiment of the first aspect, the smoke guide surface is a smooth surface.

In an embodiment of the first aspect, the auxiliary impeller includes a mounting frame, an outer edge of the mounting frame is of a circular structure, a mounting hole is formed in the middle of the mounting frame, blades are vertically arranged around the outer edge and are arranged at intervals along the outer edge, a barrel-shaped structure is formed by the blades, and a motor shaft of the auxiliary fan is inserted into the mounting hole.

In an embodiment of the first aspect, a blower bracket is disposed in the auxiliary air intake housing, and the auxiliary blower is mounted on the blower bracket.

In an embodiment of the first aspect, the auxiliary intake air casing is of an integral structure.

Second aspect of the invention

The utility model also provides a range hood, including leading the cigarette board and as above-mentioned supplementary hot blast blowpipe apparatus for range hood, range hood with supplementary hot blast blowpipe apparatus set up in leading on the cigarette board.

In an embodiment of the second aspect, the auxiliary air intake device for the range hood comprises an auxiliary air intake housing, and the auxiliary air intake housing is detachably connected with the smoke guide plate.

In an embodiment of the second aspect, a sliding rail is arranged on the smoke guide plate, and a sliding groove in sliding fit with the sliding rail is arranged on the auxiliary air inlet shell; or, a sliding groove is arranged on the smoke guide plate, and a sliding rail in sliding fit with the sliding groove is arranged on the auxiliary air inlet shell.

In an embodiment of the second aspect, a first magnetic component is disposed on the smoke guide plate, a second magnetic component magnetically matched with the first magnetic component is disposed on the auxiliary air inlet casing, and the auxiliary air inlet casing is mounted and positioned on the smoke guide plate through magnetic matching of the first magnetic component and the second magnetic component.

In an embodiment of the second aspect, the smoke guide plate is a glass plate.

The beneficial effects are as follows:

the utility model discloses an auxiliary air intake device for range hood installs range hood's smoke deflector for range hood's auxiliary air inlet. The utility model discloses in, this supplementary hot blast blowpipe apparatus for range hood includes: the auxiliary air inlet shell is provided with an auxiliary air outlet and a negative pressure air suction opening, and oil smoke enters the auxiliary air inlet shell from the negative pressure air suction opening and is blown out from the auxiliary air outlet in the direction towards the air inlet of the range hood; and the auxiliary impeller fan assembly is arranged in the auxiliary air inlet shell and is used for forming negative pressure in the auxiliary air inlet shell.

The utility model discloses in, this supplementary air inlet device for range hood installs on leading the cigarette board, has set up supplementary impeller fan subassembly in supplementary air inlet shell, and supplementary impeller fan subassembly can produce a directional air current, can accelerate the oil smoke by this air current and flow to range hood's air intake direction. Meanwhile, the outer surface of the auxiliary air inlet shell is provided with a negative pressure air inlet, under the action of negative pressure, oil smoke in the peripheral area of the outer edge of the auxiliary air inlet shell can be sucked into the auxiliary air inlet shell and then blown to the air inlet of the range hood through the auxiliary air outlet. The utility model discloses can will keep away from the regional oil smoke of air outlet (range hood's structure) and inhale in the supplementary air inlet shell, blow to the air outlet again after assembling, can solve the oil smoke escape problem, improve range hood's result of use, improve the culinary art environment in the kitchen, improve user's use impression.

Further, the utility model discloses in, supplementary impeller fan subassembly includes: the auxiliary fan is arranged in the auxiliary air inlet shell; the auxiliary impeller is arranged on the auxiliary fan and used for enabling oil smoke at the far end of the stove to be sucked into the negative pressure suction inlet under the negative pressure effect formed in the auxiliary air inlet shell and to be discharged into the air inlet through the auxiliary air outlet, and the auxiliary impeller fan assembly is composed of the auxiliary fan and the auxiliary impeller and is simple in structure and obvious in air flow acceleration effect.

Further, the utility model discloses in, supplementary impeller sets up and forms supplementary impeller fan subassembly on auxiliary fan, and supplementary impeller fan subassembly sets up a plurality ofly, can improve oil smoke auxiliary treatment's effect.

Still further, the utility model discloses in, the outer fringe of supplementary air inlet shell is level and smooth cambered surface structure, and this structural design can reduce the interference that flows to the oil smoke, and it brings the benefit to absorb the oil smoke.

Still further, the utility model discloses in, carry out configuration optimization to supplementary impeller, its airflow when can increasing supplementary impeller rotation improves the effect of negative pressure smoking.

The utility model provides a range hood, this range hood are provided with like foretell range hood with supplementary hot blast blowpipe apparatus, consequently, the utility model provides a range hood has obtained the promotion to the oil smoke treatment effect.

Further, the utility model discloses in, the range hood adopts detachable construction to install on leading the cigarette board with supplementary hot blast blowpipe apparatus, and it is convenient for the clearance of greasy dirt on the range hood with supplementary hot blast blowpipe apparatus.

The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 shows a side view of the range hood with the auxiliary air intake device installed on the smoke guide plate of the range hood in the embodiment of the present invention;

fig. 2 is a schematic structural view of the range hood of fig. 1 after changing the spatial angle;

fig. 3 is a schematic structural view of the range hood in fig. 1 after space angle is changed again;

FIG. 4 is an exploded view of a partial structure of the range hood of FIG. 1 (an auxiliary air intake device for the range hood);

FIG. 5 is a schematic structural view of an auxiliary impeller;

FIG. 6 is a top view of the auxiliary impeller;

fig. 7 is a sectional view of the auxiliary impeller.

List of reference numerals:

1-auxiliary air inlet shell; 2-auxiliary air outlet; 3-negative pressure air suction inlet; 4-auxiliary fan; 5-auxiliary impeller; 6-mounting a frame; 7-a blade; 8-smoke guide plate; 9-body; 10-a decorative cover; 11-upper glass panel; 12-lower glass panel; 13-oil cup.

In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of an automatic feeding system for parts of a coating line according to an embodiment of the present invention; fig. 2 shows a schematic structural view of a hanger positioning frame in an embodiment of the present invention; fig. 3 shows a schematic structural view of the embodiment of the present invention in which a hanger is transferred to a hanger positioning frame; FIG. 4 is a schematic structural view showing the embodiment of the present invention when the hanger is transferred to the hanger positioning frame and the part to be painted is hung; fig. 5 shows a schematic structural diagram of a part conveying line in an embodiment of the present invention; fig. 6 shows a schematic structural diagram of the component positioning device disposed on the door frame according to the embodiment of the present invention.

The utility model provides a range hood is with supplementary hot blast blowpipe apparatus installs range hood's smoke deflector 8 on, absorbs most oil smoke by range hood, absorbs far away department (for range hood's air intake) oil smoke by range hood with supplementary hot blast blowpipe apparatus, and range hood is with supplementary hot blast blowpipe apparatus is used for range hood's supplementary air inlet.

The utility model discloses in, this supplementary hot blast blowpipe apparatus for range hood includes following component parts:

1. auxiliary air inlet shell

The whole of supplementary air inlet shell 1 is close to the cuboid structure, and it is including two bigger faces (upper and lower sides), and wherein, a side of supplementary air inlet shell 1 is installation face (last side) for install the range hood lead on the cigarette board 8, the another side of supplementary air inlet shell 1 is for leading cigarette face (downside), and supplementary air outlet 2 is seted up on leading the cigarette face.

Supplementary air inlet shell 1 is installed on range hood's smoke deflector 8, and its smoke deflector contacts with the oil smoke, for the convenience of cleaning, the utility model discloses can set up the one deck on the smoke deflector and dredge the oil reservoir (for example glass layer), perhaps supplementary air inlet shell 1 wholly adopts to dredge oily material and makes.

The auxiliary air intake casing 1 also has four side surfaces, i.e., side surfaces constituting the outer edge of the auxiliary air intake casing 1. The four side surfaces of the auxiliary air inlet shell 1 can adopt a plane structure or a smooth curved surface structure. As a preferred embodiment of the present invention, the outer edge of the auxiliary air intake casing 1 adopts a smooth curved surface (curved surface protruding outward) structure design, and meanwhile, the area of the installation surface of the auxiliary air intake casing 1 is larger than the area of the smoke guiding surface, and the outer edge surface of the auxiliary air intake casing 1 is inclined and formed with an acute angle (not more than 90 ° at most) with respect to the installation surface of the auxiliary air intake casing 1.

The utility model discloses in, on the preferential detachable construction of selecting for use of supplementary hot blast blowpipe apparatus installs smoke deflector 8 for the range hood, be convenient for like this the range hood with supplementary hot blast blowpipe apparatus from dismantling from smoke deflector 8 and wash. Specifically, the auxiliary air intake device for the range hood is used for being mounted on a smoke guide plate 8 of the range hood, and has multiple fixing modes: 1. the auxiliary air inlet shell 1 is provided with a through hole, and the auxiliary air inlet shell 1 is fixed on the smoke guide plate 8 through a bolt or a screw; 2. a sliding rail (sliding groove) structure is arranged on the smoke guide plate 8, and a sliding groove (sliding rail) structure is arranged on the auxiliary air inlet shell 1, so that the auxiliary air inlet shell 1 is installed on the smoke guide plate 8 in a sliding assembly mode, and further the auxiliary air inlet device for the range hood can be installed on the smoke guide plate 8 in a structure similar to a drawer; 3. the auxiliary air inlet device for the range hood is arranged on the smoke guide plate 8 by adopting a buckle structure.

The utility model discloses in, supplementary air inlet shell 1 can adopt metal material to make, for example stainless steel, also can adopt plastic materials to make, for example PP material. The auxiliary air inlet shell 1 is preferably integrally formed, so that the overall structural strength of the auxiliary air inlet shell 1 can be improved.

An auxiliary air outlet 2 and a negative pressure air suction opening 3 are arranged on the auxiliary air inlet shell 1, and the negative pressure air suction opening 3 absorbs the oil smoke and the auxiliary air outlet 2 blows the oil smoke out towards the air inlet of the range hood. The auxiliary air outlet 2 is of a circular hole structure, the diameter of the auxiliary air outlet 2 is set according to the structural size of the auxiliary impeller 5, and the diameter of the auxiliary air outlet 2 is not smaller than the diameter of the cross section of the auxiliary impeller 5. The negative pressure air suction opening 3 can adopt a circular hole structure or a strip hole structure, the negative pressure air suction opening 3 is uniformly arranged on the outer edge of the auxiliary air inlet shell 1, the negative pressure air suction opening 3 adopts a negative pressure air suction mode, oil smoke in an area far away from an air inlet of the range hood can be absorbed, the oil smoke which flows through the outer edge of the auxiliary air inlet shell 1 to escape can be absorbed, and the oil smoke is discharged from the auxiliary air outlet 2 towards the air inlet direction of the range hood after being gathered in the auxiliary air inlet shell 1.

The utility model discloses set up the fan support in supplementary air inlet shell 1, auxiliary fan 4 is installed on the fan support. The fan support is made of metal sectional materials, for example, a strip-shaped stainless steel bar or a strip-shaped aluminum section bar is provided with a through hole, and the auxiliary fan 4 can be fastened on the fan support through a bolt assembly. The fan support sets up in supplementary air inlet shell 1, and it passes through bolt fixed connection with supplementary air inlet shell 1. Of course, when the auxiliary air inlet casing 1 is made of metal material, the fan bracket and the auxiliary air inlet casing 1 can also be connected by welding.

2. Auxiliary fan

The auxiliary air blower 4 is arranged in the auxiliary air inlet shell 1 and is connected with an electric control system through the auxiliary air blower 4, the electric control system comprises a control key and a power supply device, the power supply device is connected with a power supply so that current with stable voltage can be provided for the auxiliary air blower 4, and the control key is used for controlling the starting, stopping and rotating speed of the auxiliary air blower 4 during operation. When the auxiliary air inlet device for the range hood is used as an independent product, the electric control system is independently arranged, and when the auxiliary air inlet device for the range hood is used as a component of the range hood (namely, the range hood is integrally used as a product after the auxiliary air inlet device for the range hood is arranged), the electric control system is integrated on the electric control system of the range hood.

The auxiliary fan 4 adopts a micro motor, a wing plate structure is arranged on the shell of the micro motor, the auxiliary fan 4 is arranged on the fan support in the auxiliary air inlet shell 1, and the wing plate structure is abutted to the fan support and can be installed and reinforced through the installation bolt assembly.

3. Auxiliary impeller

The auxiliary impeller 5 is arranged on the auxiliary fan 4, is driven by the auxiliary fan 4 to rotate, can generate directional airflow, is used for accelerating the blowing-out of the airflow at the auxiliary air outlet 2 and can enable negative pressure to be formed in the auxiliary air inlet shell 1 so as to absorb oil smoke through the negative pressure air suction inlet 3.

Specifically, supplementary impeller 5 includes mounting bracket 6, and the outer fringe of mounting bracket 6 is circular structure, and the middle part of mounting bracket 6 sets up the mounting hole, encircles the vertical blade 7 that sets up of outer fringe, sets up along the outer fringe interval, forms tubbiness structure by blade 7, and the motor shaft of supplementary fan 4 is pegged graft with the mounting hole and is assembled. The motor shaft of the auxiliary fan 4 is inserted into the mounting hole, the end part of the motor shaft protrudes, and a clamping device clamped with the motor can be arranged on the protruded end part of the motor shaft, so that the firmness degree of the previous mounting of the auxiliary impeller 5 and the auxiliary fan 4 is improved.

In the present invention, the parts constituting each part of the auxiliary impeller 5 may be made of metal material or plastic material. For example, the mounting frame 6 is preferably integrally formed of a metal material, while the blade 7 may be formed of plastic.

In order to improve the use effect of the auxiliary air intake device for the range hood, a plurality of, preferably two, auxiliary impeller fan assemblies are arranged on the auxiliary air intake housing 1. And, the supplementary air outlet 2 that sets up on supplementary air inlet shell 1 sets up at least two, preferably two, sets up on auxiliary fan 4 by auxiliary impeller 5 and forms auxiliary impeller fan subassembly, and auxiliary impeller fan subassembly sets up a plurality ofly, corresponds each auxiliary air outlet 2 and all is provided with an auxiliary impeller fan subassembly. Because the number of the auxiliary impeller fan components is increased, the oil smoke absorption capacity of the auxiliary air inlet device for the whole range hood is improved.

The auxiliary air intake device for the range hood is arranged on a smoke guide plate 8 of the range hood, the smoke guide plate 8 can be rotatably opened and closed on the range hood, the smoke guide plate 8 is opened in the working state and forms a certain included angle with the plane where an air inlet of the range hood is located, oil smoke is gathered by the smoke guide plate 8 and guided, and most of the oil smoke can enter the range hood from the air inlet and then is discharged through an exhaust pipe. Therefore, the utility model discloses can carry out the structure to supplementary air outlet 2 of supplementary hot blast blowpipe apparatus for range hood and add to make supplementary air outlet 2 just in time blow towards range hood's air intake under the 8 open modes of smoke deflector, this structural design can accelerate the oil smoke and enter into in the air intake.

Specifically, the auxiliary impeller 5 is disposed towards the auxiliary air outlet 2, i.e. the central axis of the auxiliary impeller 5 coincides with the midpoint of the auxiliary air outlet 2.

The utility model also provides a range hood, including leading cigarette board 8 and as above-mentioned supplementary air inlet unit for range hood, supplementary air inlet unit for range hood sets up on leading cigarette board 8. Wherein, supplementary air inlet device is used to range hood includes supplementary air inlet shell 1, and supplementary air inlet shell 1 can be dismantled with smoke deflector 8 and be connected, and the connection structure between supplementary air inlet shell 1 and the smoke deflector 8 can refer to the above-mentioned, helps the air inlet shell to dismantle with smoke deflector 8 and is connected and can conveniently pull down supplementary air inlet device is used to range hood from smoke deflector 8, makes things convenient for the greasy dirt to clear up.

The utility model discloses an among the preferred scheme, the mode that supplementary hot blast blowpipe apparatus adopted sliding assembly for the range hood is installed on smoke deflector 8, for the firm degree of the supplementary hot blast blowpipe apparatus installation on smoke deflector 8 of improvement range hood, the utility model provides a following configuration optimization: set up first magnetic force component on smoke deflector 8, set up the second magnetic force component with first magnetic force component magnetic force fit on supplementary air inlet shell 1, supplementary air inlet shell 1 realizes the installation location on smoke deflector 8 through the magnetic force fit of first magnetic force component and second magnetic force component.

The utility model discloses an among another preferred scheme, can be through structural design, after the supplementary hot blast blowpipe apparatus for range hood assembly targets in place on smoke deflector 8, can set up the through-hole on supplementary hot blast blowpipe apparatus's supplementary hot blast blowpipe apparatus for range hood shell 1, insert the bolt from this through-hole, utilize the bolt to consolidate supplementary hot blast blowpipe shell 1 installation on smoke deflector 8.

Specifically, the smoke guide plate 8 is a glass plate, and any structure provided on the smoke guide plate 8, such as the first magnetic member, or a screw hole structure used in cooperation with a bolt, may be fixed by gluing with a strong adhesive.

The utility model discloses an institutional advancement is mainly in: 1. based on the traditional range hood, an auxiliary air inlet device for the range hood is arranged on the smoke guide plate 8; 2. the auxiliary air inlet device for the range hood supplements the oil smoke absorption capacity of the far end of the side range hood; 3. the oil smoke escaping after passing over the smoke guide plate 8 is captured; 4. the auxiliary air inlet device and the smoke guide plate for the range hood can be attracted by a magnet, so that the range hood is convenient to disassemble and clean.

Through the structure design, the beneficial effects of the utility model are as follows: the utility model discloses a set up the structural design of supplementary air inlet device for range hood on the smoke deflector 8, the back is opened to smoke deflector 8, keeps away from the oil smoke in the cooking utensils space by supplementary air inlet device for range hood with the air intake (the structure of former range hood), has supplemented range hood's the distal side ability of induced drafting, can inhale the oil smoke of distal side to air intake department. Simultaneously because the range hood that sets up on the smoke deflector 8 is with supplementary hot blast blowpipe apparatus can be with crossing the oil smoke suction of smoke deflector 8, prevents that the oil smoke from escaping in a large number, has improved kitchen air quality, is favorable to the user experience of product.

For the range hood, the range hood includes a body 9, a blower volute assembly, left and right side plates, an upper top plate, a smoke collecting hood and a back plate are arranged in the body 9, a decorative cover 10 is arranged on the upper portion of the body 9, and the decorative cover 10 is a cabinet structure mounted on the body 9 and used for decorating a check valve seat and a smoke pipe. An upper glass panel 11 arranged on the machine body 9 is arranged above the front surface of the machine body 9 and is fixed by screws, and an auxiliary air inlet device for the range hood is arranged in the middle position of the front surface of the machine body 9 and can move and open and close along with the smoke guide plate in a turnover manner. The lower glass panel 12 is mounted below the front of the body 9 and fixed by screws. The oil cup 13 is mounted under the machine body 9 through a buckle structure, and serves as a carrier for condensing oil smoke.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (15)

1. The utility model provides an auxiliary air inlet device for range hood, installs on range hood's smoke deflector for range hood's auxiliary air inlet, its characterized in that includes:

the auxiliary air inlet shell is provided with an auxiliary air outlet and a negative pressure air suction opening, and oil smoke enters the auxiliary air inlet shell from the negative pressure air suction opening and is blown out from the auxiliary air outlet in the direction towards the air inlet of the range hood;

and the auxiliary impeller fan assembly is arranged in the auxiliary air inlet shell and is used for forming negative pressure in the auxiliary air inlet shell.

2. The auxiliary intake apparatus for a range hood of claim 1, wherein the auxiliary impeller fan assembly comprises:

the auxiliary fan is arranged in the auxiliary air inlet shell;

and the auxiliary impeller is arranged on the auxiliary fan and used for enabling the oil smoke at the far end of the stove to be sucked into the negative pressure suction opening under the action of negative pressure formed in the auxiliary air inlet shell and to be discharged from the auxiliary air outlet to enter the air inlet.

3. The auxiliary intake device for a range hood according to claim 2, wherein the auxiliary impeller is disposed toward the auxiliary outlet.

4. The auxiliary air intake device for the range hood according to claim 2, wherein at least two auxiliary air outlets are provided; the auxiliary impeller is arranged on the auxiliary fan to form an auxiliary impeller fan assembly, the auxiliary impeller fan assemblies are arranged in a plurality, and one auxiliary impeller fan assembly is arranged at each corresponding auxiliary air outlet.

5. The auxiliary air intake device for a range hood according to claim 1, wherein the outer edge of the auxiliary air intake housing is of a smooth arc structure, and the negative pressure air inlet is formed in the outer edge of the auxiliary air intake housing.

6. The auxiliary air intake device for the range hood according to claim 1, wherein a side surface of the auxiliary air intake housing is a mounting surface for mounting on a smoke guide plate of the range hood; the other side of supplementary air inlet shell is for leading the cigarette face, supplementary air outlet is seted up in lead on the cigarette face.

7. The auxiliary intake device of claim 5, wherein the smoke guide surface is a smooth surface.

8. The auxiliary air intake device for the range hood of claim 2, wherein the auxiliary impeller comprises a mounting frame, the outer edge of the mounting frame is of a circular structure, a mounting hole is formed in the middle of the mounting frame, blades are vertically arranged around the outer edge and are arranged at intervals along the outer edge, the blades form a barrel-shaped structure, and a motor shaft of the auxiliary fan is in plug-in assembly with the mounting hole.

9. The auxiliary intake device of claim 2, wherein a fan bracket is disposed in the auxiliary intake housing, and the auxiliary fan is mounted on the fan bracket.

10. The auxiliary air intake device for a range hood according to any one of claims 1 to 9, wherein the auxiliary air intake housing is of an integral structure.

11. A range hood, comprising a smoke guide plate, characterized by further comprising the auxiliary air intake device for the range hood as claimed in any one of claims 1 to 10, wherein the auxiliary air intake device for the range hood is disposed on the smoke guide plate.

12. The range hood of claim 11, wherein the auxiliary intake housing is removably connected to the smoke guide.

13. The range hood of claim 12, wherein the smoke guide plate is provided with a slide rail, and the auxiliary air intake housing is provided with a slide groove in sliding fit with the slide rail; or, a sliding groove is arranged on the smoke guide plate, and a sliding rail in sliding fit with the sliding groove is arranged on the auxiliary air inlet shell.

14. The range hood of claim 13, wherein the smoke guide plate is provided with a first magnetic component, the auxiliary air intake housing is provided with a second magnetic component magnetically coupled to the first magnetic component, and the auxiliary air intake housing is configured to be positioned on the smoke guide plate by magnetic coupling of the first magnetic component and the second magnetic component.

15. The range hood of any one of claims 11 to 14,

the smoke guide plate is a glass plate.

Images