CN220506872U

CN220506872U - Fume exhaust fan

Info

Publication number: CN220506872U
Application number: CN202322245644.4U
Authority: CN
Inventors: 杜志敏; 申志贤
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-02-20
Anticipated expiration: 2033-08-18

Abstract

The utility model relates to a range hood, comprising: the machine body is internally provided with a smoke inlet air duct and an air inlet for external smoke to enter the smoke inlet air duct; a fan system; the fan box body is provided with a containing cavity for containing the fan system, the containing cavity is in fluid communication with the smoke inlet air channel, and the fan box body is arranged on the machine body in a mode of being capable of moving up and down relative to the machine body and being adjustable in position. Because the fan box can be adjusted by moving up and down relative to the machine body, when the range hood is installed, the height position of the fan box can be adjusted according to the actual layout of the cabinet, so that the installation requirements of different installation scenes are met, and the convenience of the installation of the range hood is ensured.

Description

Fume exhaust fan

Technical Field

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

Background

A range hood is a kitchen appliance that purifies the kitchen environment. In order to reduce the influence of noise generated by the fan on a user, besides the noise reduction mode of arranging the corresponding noise reduction device in the body of the range hood, the fan system is arranged at the top position relatively far away from the fume collecting hood (corresponding to the height position of the human ear), such as the top of a cabinet or the inside of the suspended ceiling, so that the noise transmitted into the room by the fan part is effectively reduced under the blocking effect of the suspended ceiling or the cabinet, and the use experience of the user is increased.

A range hood is disclosed as CN201820840641.1 (grant bulletin number: CN 208237951U), comprising a fume collecting hood close to a user and a fan assembly disposed far from the user, wherein the top of the fume collecting hood is connected with the bottom of the fan system through a noise reducer having a noise reducing channel. Because the fan assembly is arranged at the top, noise is reduced through the noise reducer on the basis, and therefore noise generated in the operation process of the range hood can be effectively reduced.

However, the above-mentioned range hood still has certain deficiency, because the kitchen installation environment of user is different, especially, the cupboard height has the difference, and the fan subassembly of above-mentioned range hood high position fixed can not be fit for the installation with it well.

Therefore, the existing range hood needs to be further improved.

Disclosure of Invention

Aiming at the current state of the art, the utility model provides the range hood with the fan system with adjustable height position, thereby being capable of adapting to different installation conditions.

The technical scheme adopted for solving the technical problems is as follows: a range hood, comprising:

the machine body is internally provided with a smoke inlet air duct and an air inlet for external smoke to enter the smoke inlet air duct;

a fan system;

the fan box body is provided with a containing cavity for containing the fan system, the containing cavity is in fluid communication with the smoke inlet air channel, and the fan box body is arranged on the machine body in a mode of being capable of moving up and down relative to the machine body and being adjustable in position.

In general, the fan box body can be wrapped on the periphery of the machine body or can be accommodated in the machine body, and in order to match the size of the fan system and reduce the occupied space of the fan box body as far as possible, the top of the machine body is provided with an opening, the fan box body is slidably arranged in the machine body, the upper part of the fan box body is exposed out of the opening, and the part of the fan box body exposed out of the opening of the machine body is provided with an air outlet for discharging flue gas.

The air outlet can be arranged at the top of the fan box, but the smoke exhaust pipe connected with the air outlet can be led into the public flue after being turned, so that the flow resistance of smoke is increased, and on the other hand, the smoke exhaust pipe occupies a certain height space, and therefore, the air outlet is arranged on the side surface of the fan box. The "side of the fan case" may refer to the left, right, front or back side of the fan case, and is typically located on the left or right side of the fan case.

In order to ensure the smoothness of smoke exhaust, the fan system comprises a volute and an impeller arranged in the volute, wherein the axis of the impeller horizontally extends, the volute is provided with an air outlet, and the air outlet is opposite to an air outlet of the fan box body.

Of course, it is contemplated that the fan system may be placed horizontally, i.e., the axis of the impeller of the fan system extends vertically.

In order to facilitate the left-right exchange of the fan box body, the opening on the fan body is a square opening, and the cross section of the fan box body is square and matched with the opening of the fan body.

Under the general circumstances, can adopt driving motor and lead screw slider drive mechanism complex structure, driving motor and rack and pinion drive mechanism complex structure to realize the ascending altitude mixture control of fan box, but in order to guarantee the firm nature of installation between organism and the fan box, the top of organism still is equipped with the linking bridge, has seted up the first connecting hole that extends from top to bottom on this linking bridge, the fan box on with the second connecting hole has been seted up in the position corresponding to first connecting hole, the fan box with fix through corresponding the connecting piece of wearing to establish in first connecting hole and second connecting hole between the organism.

When the range hood is installed, the box body of the fan can be adjusted to a proper position according to the actual cabinet height, and then the range hood is fixed in the corresponding connecting hole through the connecting piece.

In order to avoid the offset or rocking problem after organism and fan box fixed mounting, the first connecting hole on the linking bridge has at least two that arrange in proper order in the upper and lower direction, the second connecting hole on the fan box also has at least two that arrange in proper order in the upper and lower direction.

In order to further ensure the firmness of the fixation between the machine body and the fan box body, the two connecting brackets are oppositely arranged, and the two connecting brackets are respectively corresponding to the two opposite side walls on the fan box body.

As an improvement, the machine body comprises a fume collecting hood and a main box body, the fume collecting hood is arranged at the bottom of the main box body, the air inlet is arranged on the fume collecting hood, and the fan box body is arranged on the main box body. The fume collecting hood part may be in top sucking or near sucking fume collecting hood structure.

Compared with the prior art, the utility model has the advantages that: because the fan box can be adjusted by moving up and down relative to the machine body, when the range hood is installed, the height position of the fan box can be adjusted according to the actual layout of the cabinet, so that the installation requirements of different installation scenes are met, and the convenience of the installation of the range hood is ensured.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

fig. 2 is a vertical sectional view in the front-rear direction of an embodiment of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

fig. 4 is a schematic perspective view of another angle according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Referring to fig. 1-4, a range hood includes a body 10, a fan housing 24, and a fan system 20.

The body 10 includes a main casing 11 and a fan housing. The fan cover is positioned at the bottom of the main box body 11, and the inner cavity of the fan cover is communicated with the inner cavity of the main box body 11 so as to jointly form a smoke inlet air channel 13. The main casing 11 of the present embodiment is a vertically extending square casing. Fig. 1 shows a top-suction smoke collecting hood structure with an air inlet 121 at the bottom.

The fan system 20 is a centrifugal fan, and specifically includes a volute 21, an impeller 22, and a motor 23. The impeller 22 is provided inside the scroll 21 and is driven to rotate by a motor 23. The scroll 21 has an intake port 211 and an exhaust port 212. The port of impeller 22 is opposite the suction inlet 211 of the volute 21. The fan system 20 may be mounted to the inner wall of the fan housing 24 by a mount.

Referring to fig. 4, the fan housing 24 of the present embodiment is a square housing with a closed upper end and an open lower end 110, and a housing chamber 240 in which the fan system 20 is housed is formed inside the housing chamber 240, and the housing chamber 240 is in fluid communication with the air inlet duct 13.

The cross-sectional dimension of the fan housing 24 is smaller than the cross-sectional dimension of the main housing 11. The top of the main housing 11 has an opening 110 and the fan housing 24 is square in cross section. The fan housing 24 is slidably disposed on the main housing 11 of the machine body 10 up and down, and the upper portion of the fan housing 24 is exposed out of the top opening 110 of the main housing 11, wherein an air outlet 111 for discharging flue gas is provided on a portion of the fan housing 24 exposed out of the opening 110 of the machine body 10. The air outlet 111 may be connected to the air outlet cover 30 for connection to a smoke exhaust pipe.

The air outlet 111 formed on the fan housing 24 is specifically located on a side surface of the fan housing 24. As shown in fig. 1, the air outlet 111 is provided on the right side of the fan housing 24. Referring to fig. 2 and 3, the axis O of the impeller 22 of the fan system 20 extends forward and backward, and the air outlet 212 on the volute 21 is opposite to the air outlet 111 of the fan box 24, so that the smoke exhaust pipe can realize lateral direct exhaust of smoke without turning, and the smoothness of smoke exhaust is ensured. In addition, the air outlet 111 is formed at the side of the fan box 24, so that the mounting space in the height direction of the range hood is not additionally occupied by the air outlet and the smoke exhaust pipe.

The top of the machine body 10, specifically, the left and right sides of the opening 110 are further provided with connection brackets 25. The two connection brackets 25 are each bar brackets extending upward, on which first connection holes 251 extending up and down are provided, and the first connection holes 251 have at least two and are sequentially arranged in the up-down direction. As shown in fig. 4, two first connection holes 251 are provided on the connection bracket 25. The fan case 24 is provided with a second connection hole 241 at a position corresponding to the first connection hole 251. The fan box 24 and the connecting bracket 25 are fixed through corresponding connecting pieces penetrating through the first connecting hole 251 and the second connecting hole 241, specifically, the second connecting hole 241 is a screw hole, the connecting piece is a screw, and the screw penetrates through the first connecting hole 251 to be connected to the screw hole of the fan box 24 in a threaded manner, so that the fan box 24 and the main box 11 are fixed. When the range hood is installed, the fan box 24 can be adjusted to a proper position according to the actual cabinet height, and then the fan box 24 is connected and locked with the screw hole of the fan box 24 by penetrating the first connecting hole 251 through the connecting piece.

Corresponding to the two connecting brackets 25, a plurality of second connecting holes 241 are formed in the left and right side walls of the fan box 24, and the second connecting holes 241 are sequentially arranged at intervals in the up-down direction, so that the fan box 24 can have a larger adjusting range relative to the main box 11.

Because the fan box 24 can be adjusted to move up and down relative to the machine body 10, when the range hood is installed, the height position of the fan box 24 can be adjusted according to the actual layout of a cabinet, so that the installation requirements of different installation scenes are met, and the convenience of the installation of the range hood is ensured.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. A range hood, comprising:

the machine body (10) is internally provided with a smoke inlet air duct (13) and an air inlet (121) for external smoke to enter the smoke inlet air duct (13);

a fan system (20);

characterized by further comprising:

the fan box body (24) is provided with a containing cavity (240) for containing the fan system (20), the containing cavity (240) is in fluid communication with the smoke inlet air duct (13), and the fan box body (24) is arranged on the machine body (10) in a mode of being capable of moving up and down relative to the machine body (10) and being adjustable in position.

2. The range hood of claim 1, wherein: the top of the machine body (10) is provided with an opening (110), the fan box body (24) is arranged in the machine body (10) in a sliding manner, the upper part of the fan box body is exposed out of the opening (110), and an air outlet (111) for discharging flue gas is formed in the part of the fan box body (24) exposed out of the opening (110) of the machine body (10).

3. The range hood of claim 2, wherein: the air outlet (111) is formed in the side face of the fan box body (24).

4. A range hood according to claim 3, wherein: the fan system (20) comprises a volute (21) and an impeller (22) arranged in the volute (21), wherein the axis of the impeller (22) horizontally extends, the volute (21) is provided with an air outlet (212), and the air outlet (212) is opposite to an air outlet (111) of the fan box body (24).

5. The range hood of claim 2, wherein: the opening (110) on the machine body (10) is a square opening, and the cross section of the fan box body (24) is also square and is matched with the opening (110) of the machine body (10).

6. The range hood according to any one of claims 1 to 5, wherein: the top of organism (10) still is equipped with linking bridge (25), has seted up first connecting hole (251) that extend from top to bottom on this linking bridge (25), fan box (24) go up with second connecting hole (241) have been seted up in the position corresponding with first connecting hole (251), fan box (24) with organism (10) between pass through the connecting piece of corresponding wearing to establish in first connecting hole (251) and second connecting hole (241) and fix.

7. The range hood of claim 6, wherein: the first connecting holes (251) on the connecting bracket (25) are provided with at least two connecting holes which are sequentially arranged in the up-down direction, and the second connecting holes (241) on the fan box body (24) are also provided with at least two connecting holes which are sequentially arranged in the up-down direction.

8. The range hood of claim 6, wherein: the two connecting brackets (25) are oppositely arranged, and the two connecting brackets (25) respectively correspond to the two opposite side walls on the fan box body (24).

9. The range hood according to any one of claims 1 to 5, wherein: the machine body (10) comprises a smoke collecting cover (12) and a main box body (11), the smoke collecting cover (12) is arranged at the bottom of the main box body (11), the air inlet (121) is formed in the smoke collecting cover (12), and the fan box body (24) is arranged on the main box body (11).