CN217209498U

CN217209498U - Fume exhaust fan

Info

Publication number: CN217209498U
Application number: CN202123352958.1U
Authority: CN
Inventors: 罗家胜; 杜黎维; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-16
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a range hood, include: the smoke collecting hood is provided with a smoke collecting cavity, the top of the smoke collecting hood is provided with an installation opening, the bottom of the smoke collecting hood is provided with a main air inlet and two secondary air inlets, and the two secondary air inlets are respectively positioned at the left outer side and the right outer side of the main air inlet; the air box assembly is arranged at the mounting opening; the upper end of each filtering piece is fixedly connected with the bottom of the smoke collecting hood, and the upper end of each filtering piece is fixedly connected with the top of the smoke collecting hood and/or the air box assembly; the main cavity body is located between the two secondary cavities and is communicated with the main air inlet, and each secondary cavity is communicated with the corresponding secondary air inlet and the main cavity body respectively. The utility model discloses an not only improve smoking effect and grease separation degree, make collection petticoat pipe and complete machine intensity strengthen moreover, prevent that the collection petticoat pipe from appearing serious deformation when the transportation falls.

Description

Fume exhaust fan

Technical Field

The utility model relates to a range hood technical field especially relates to a range hood.

Background

In order to improve the smoking effect of the range hood, one of the currently used schemes is to perform partition control, and the range hood is changed into a dual-cavity structure from a single cavity, such as the range hood disclosed in CN 210463154U.

The existing inner cover is generally connected with the fume collecting cover in a rivet connection mode, the fume collecting cover rear plate is connected with the fume collecting cover in the rivet connection mode, the inner cover, the fume collecting cover rear plate and the fume collecting cover are weak in connection strength, the inner cover is easy to deform when the inner cover falls in transportation, and the performance of the whole machine is affected.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the current correlation technique at least to a certain extent, for this reason, the utility model provides a range hood not only improves smoking effect and grease separation degree, makes collection petticoat pipe and complete machine intensity strengthen moreover, prevents that collection petticoat pipe from appearing serious deformation when the transportation falls.

According to the range hood that provides above-mentioned, it realizes through following technical scheme:

a range hood, comprising: the smoke collecting cover is provided with a smoke collecting cavity, the top of the smoke collecting cover is provided with an installation opening, the bottom of the smoke collecting cover is provided with a main air inlet and two secondary air inlets, and the two secondary air inlets are respectively positioned on the left outer side and the right outer side of the main air inlet; the air box assembly is arranged at the mounting opening; the filter pieces are arranged in the smoke collection cavity side by side at intervals, the two filter pieces are respectively positioned on the left outer side and the right outer side of the main air inlet and divide the smoke collection cavity into a main cavity and two secondary cavities, the lower end of each filter piece is fixedly connected with the bottom of the smoke collection hood, and the upper end of each filter piece is fixedly connected with the top of the smoke collection hood and/or the air box assembly; the main cavity body is located two and communicate between the time cavity body main air intake, every the time cavity body intercommunication corresponds the time air intake, and every the time cavity body through corresponding filter the hole with the main cavity body is linked together of straining.

In some embodiments, an annular sinking platform located at the periphery of the main air inlet is fixedly arranged on the inner side of the bottom of the smoke collecting hood, the two filter pieces are vertically arranged, and the lower ends of the two filter pieces are fixedly connected with the left side and the right side of the annular sinking platform.

In some embodiments, the lower end of each filter element is bent towards the inside of the main cavity to form a side folded edge, and the side folded edge is fixedly connected with the annular sinking platform.

In some embodiments, a limiting portion is disposed on one side of the annular sinking platform close to the central position of the main air inlet, and the limiting portion is located between the side folded edge and the central position of the main air inlet and is used for limiting the side folded edge.

In some embodiments, the bellows assembly has two oppositely disposed side plates, each of which is integrally formed with the filter element directly therebelow, and each of which is fixedly attached to an edge of the mounting opening.

In some embodiments, the bellows assembly has a back plate with a lower end extending downwardly into the smoke collection hood and fixedly connected to a back plate of the smoke collection hood.

In some embodiments, a rear folded edge which extends backwards and then bends downwards is arranged at the lower end of the rear plate, and the rear folded edge is fixedly connected with the back plate of the smoke collecting hood.

In some embodiments, smoke collecting cavities which are sunken towards the inside of the smoke collecting cover are respectively arranged on the left side and the right side of the bottom of the smoke collecting cover, and the secondary air inlets are formed in the side walls, close to the main air inlets, of the smoke collecting cavities.

In some embodiments, the side wall of the smoke collecting cavity close to the main air inlet is an inclined surface or an arc-shaped surface which is inclined from outside to inside and obliquely downward, so that the secondary air inlet is obliquely arranged obliquely downward.

In some embodiments, a wind guide portion is fixedly disposed at the top of the secondary cavity, and the wind guide portion is located right above the secondary air inlet and is used for guiding the flue gas flowing into the secondary cavity to the filter element.

Compared with the prior art, the utility model discloses an at least including following beneficial effect:

1. the utility model discloses a range hood, through set up two filter pieces that are located two outsides about the main air intake in the collection petticoat pipe, in order to separate the collection flue chamber into main cavity body and two secondary cavity, the main cavity body is located between two secondary cavity bodies, and the main cavity body communicates the main air intake, each secondary cavity body communicates corresponding secondary air intake and main cavity body respectively, realize dividing the collection flue chamber, show the oil smoke separation degree that promotes smoking effect and complete machine;

2. through the bottom with the upper end fixed connection collection petticoat pipe of every filtration piece, upper end fixed connection collection petticoat pipe top and/or bellows assembly have realized strengthening the intensity of collection petticoat pipe, make complete machine intensity improve, avoid falling the back collection petticoat pipe and appear serious deformation.

Drawings

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

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

fig. 3 is another partial sectional view of the range hood according to the embodiment of the present invention;

fig. 4 is a schematic structural view of a smoke collecting hood in the embodiment of the present invention, in which a smoke collecting hood cover plate is hidden;

fig. 5 is a partially enlarged view of a portion a in fig. 2;

fig. 6 is a schematic structural diagram of a coaming in an embodiment of the present invention.

Reference numerals: the smoke collecting hood comprises a smoke collecting hood body 1, a main air inlet 102, a secondary air inlet 103, an annular sinking platform 104, a limiting part 1041, a smoke collecting cavity 105, an inclined plane 1051, an air guiding part 106, a smoke collecting hood body 11, an inner hood 12 and a back plate 121;

the bellows assembly 2, the outer box 201, the coaming 202, the side plate 21, the back plate 22 and the back folded edge 221;

filter member 3, filter hole 31, side folded edge 32;

a main chamber 41, a secondary chamber 42;

a filter assembly 5.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a range hood, which includes a smoke collecting hood 1, a wind box assembly 2, a filter element 3 having a plurality of filter holes 31, and a filter element 5, wherein the smoke collecting hood 1 has a smoke collecting chamber (not shown), a mounting opening (not shown) adapted to be mounted with the wind box assembly 2 is provided at the top of the smoke collecting hood 1, a main air inlet 102 and two secondary air inlets 103 are provided at the bottom of the smoke collecting hood 1, the filter element 5 having european filtered oil smoke is provided at the main air inlet 102, and the two secondary air inlets 103 are respectively located at the left and right outer sides of the main air inlet 102. Therefore, the unit air inlet area is further increased by the main air inlet 102 and the two secondary air inlets 103 which are arranged side by side. The bellows assembly 2 is arranged at the mounting opening and communicated with the smoke collecting cavity.

Two filtering pieces 3 which are arranged side by side at intervals left and right are arranged in the smoke collection cavity, the two filtering pieces 3 are respectively positioned on the left and right outer sides of the main air inlet 102, and the smoke collection cavity is divided into a main cavity 41 and two secondary cavities 42. The lower end of each filter piece 3 is fixedly connected with the bottom of the fume collecting hood 1, and the upper end is fixedly connected with the top of the fume collecting hood 1 and/or the air box component 2. The main cavity 41 is located between the two secondary cavities 42, and the main cavity 41 is respectively communicated with the main air inlet 102 and the inside of the air box assembly 2, so that the air inlet 102 and the main cavity 41 jointly form a main smoking channel. Each secondary cavity 42 is communicated with the corresponding secondary air inlet 103, and each secondary cavity 42 is communicated with the main cavity 41 through the filter hole 31 of the corresponding filter member 3, so that the secondary air inlet 103 and the secondary cavity 42 jointly form an auxiliary smoking channel communicated with the main smoking channel. Therefore, the two filtering pieces 3 are additionally arranged in the smoke collecting cavity of the smoke collecting cover 1, so that the smoke collecting cavity is divided into cavities, the oil smoke flowing through the auxiliary smoke suction channel is filtered, and the oil smoke separation degree of the whole machine is improved; secondly, under the condition that the main smoking channel and the two auxiliary smoking channels are matched together, the smoking effect is obviously improved; thirdly, effectively strengthened the intensity of collection petticoat pipe 1, made complete machine intensity improve, avoided falling back collection petticoat pipe 1 to appear seriously warping.

Referring to fig. 2 to 4, in the present embodiment, the hood 1 includes a hood body 11 having an open top and an inner hood 12 having a mounting opening, and a main intake opening 102 and a sub-intake opening 103 are provided at the bottom of the hood body 11. The cover plate is arranged on the periphery of the air box component 2 and covers the open top of the smoke collecting hood body 11. The inner cover 12 is arranged between the smoke collecting cover body 11 and the cover plate and is positioned above the main air inlet 102 and the secondary air inlet 103, the inner cover 12 is fixedly connected with the smoke collecting cover body 11 and the cover plate respectively, smoke collecting cavities which are respectively communicated with the main air inlet 102 and the secondary air inlet 103 are formed between the inner cover 12 and the smoke collecting cover body 11, and therefore the whole strength of the smoke collecting cover 1 is favorably improved by increasing the inner cover 12.

Further, the inner side of the bottom of the smoke collecting hood body 11 is fixedly provided with an annular sinking platform 104 positioned at the periphery of the main air inlet 102, and the annular sinking platform 104 is arranged to enhance the strength of the edge of the main air inlet 102, facilitate the installation of the filtering component 5 to be limited, positioned and fixed and be used for fixedly connecting the filtering component 3.

Referring to fig. 5, a limiting portion 1041 is disposed on one side of the annular sinking platform 104 close to the center of the main air inlet 102, and the limiting portion 1041 is located between the filtering member 3 and the center of the main air inlet 102 for limiting the filtering member 3. In this embodiment, the annular sinking platform 104 is integrally formed with the edge of the main air inlet 102, that is, the annular sinking platform 104 is formed by bending the edge of the main air inlet 102 upward first and then bending the edge toward the central axis of the main air inlet 102. The limiting portion 1041 is a covered edge formed by bending the movable end of the annular sinking platform 104 upward integrally.

Referring to fig. 1-2, further, in order to improve the smoke collecting effect of the secondary air inlet 103, smoke collecting cavities 105 recessed towards the inside are respectively arranged at the left and right sides of the bottom of the smoke collecting cover body 11, and the secondary air inlet 103 is arranged on the side wall of the smoke collecting cavity 105 close to the primary air inlet 102. Therefore, the smoke-collecting cavity 105 is arranged, so that the oil smoke is surrounded by the cavity wall of the smoke-collecting cavity 105 before being sucked into the secondary air inlet 103, and the oil smoke is prevented from escaping to the periphery of the secondary air inlet 103; secondly, the secondary air inlet 103 is closer to the main cavity 41, the length of the auxiliary smoking channel is shortened, and the smoking capacity of the auxiliary smoking channel is improved. In this embodiment, the sidewall of the smoke collecting cavity 105 close to the main air inlet 102 is a slope 1051 or an arc surface that inclines from outside to inside (i.e. from the far end far away from the main air inlet 102 to the near end close to the main air inlet 102) and inclines obliquely downward, so that the secondary air inlet 103 inclines obliquely downward to improve the smoking effect of the auxiliary smoking channel.

Referring to fig. 2 to 4, a wind guiding portion 106 is further disposed at a position corresponding to the secondary wind inlet at the top of the secondary cavity 42 (i.e., the top of the inner cover 12), and the wind guiding portion 106 is located right above the secondary wind inlet and is used for guiding the flue gas flowing into the secondary cavity 42 to the filter element 3. In this embodiment, the air guiding portion 106 is a press mold, which is formed by integrally downward press-molding the local top of the inner cover 12, so that the air guiding portion 106 can be quickly molded while achieving the smoke guiding effect, and the strength of the inner cover 12 itself is further enhanced.

Referring to FIGS. 2-3 and 5-6, in the present embodiment, the bellows assembly 2 includes an outer case 201 and a shroud 202, the shroud 202 being disposed at the installation opening and fixedly connected to the inner cover 12, and the outer case 201 being disposed at the periphery of the shroud 202 and fixedly connected to the inner cover 12 and the cover plate, so as to ensure the overall aesthetic appearance. The inner cover 12 is provided with a turned-over edge which is bent upwards at the edge of the mounting opening in an integrated manner, the turned-over edge is positioned between the outer box 201 and the coaming 202, and the coaming 202 is respectively and fixedly connected with the outer box 201 and the coaming 202 so as to improve the connection strength and reliability of the inner cover 12.

Further, the enclosure 202 includes two side plates 21 and a rear plate 22 connected in a "U" shape. The lower extreme of every curb plate 21 extends perpendicularly downwards to the collection petticoat pipe 1 inside and fixed connection annular heavy platform 104, like this, one realizes dividing the collection smoke chamber into a main cavity 41 and two time cavities 42, two come through with annular heavy platform 104 fixed connection curb plate 21, make the gravity of curb plate 21 concentrate on annular heavy platform 104, at this moment, can make inner cover 12 intensity obtain strengthening, avoid inner cover 12 to be difficult to take place serious deformation when the transportation falls.

Referring to fig. 2-3, in this embodiment, the filtering member 3 is formed by a lower portion of the side plate 21 located between the mounting opening and the annular sinking platform 104, so that the filtering member 3 is vertically disposed and integrally formed with the side plate 21, thereby improving the utilization rate of the side plate 21, facilitating the rapid formation of the filtering member 3, ensuring the firm and reliable connection between the side plate 21 and the filtering member 3, and facilitating the improvement of the strength of the whole machine and the oil-smoke separation degree of the whole machine. Specifically, referring to fig. 5, a side folding edge 32 is formed by bending towards the inside of the main cavity 41 and is integrally formed at the lower end of the filter element 3 (i.e., the side plate 21), the side folding edge 32 is located at the top of the annular sinking platform 104 and at the periphery of the limiting portion 1041, and the annular sinking platform 104 and the side folding edge 32 are fixedly connected by a screw or a welding or riveting manner.

Referring to fig. 3 and 6, in the present embodiment, the lower end of the rear plate 22 extends downward inside the main cavity 41, and the rear plate 22 is fixedly connected to the back plate 121 of the inner cover 12. Specifically, the lower extreme of back plate 22 is equipped with the back hem 221 that extends towards the back earlier and then bend downwards, during the installation, adopts the screw to wear to locate back hem 221, the backplate 121 of inner cover 12 and the back wall of collection petticoat pipe body 11 in proper order to the realization is with the backplate of back hem 221 fixed connection collection petticoat pipe 1, makes the intensity of backplate 121 and collection petticoat pipe body 11 back wall obtain further enhancement, and then does benefit to the bulk strength who promotes collection petticoat pipe 1 back wall.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A range hood, characterized by comprising:

the smoke collecting cover (1) is provided with a smoke collecting cavity, the top of the smoke collecting cover (1) is provided with a mounting hole, the bottom of the smoke collecting cover (1) is provided with a main air inlet (102) and two secondary air inlets (103), and the two secondary air inlets (103) are respectively positioned on the left side and the right side of the main air inlet (102);

the air box assembly (2) is arranged at the mounting opening;

the two filtering pieces (3) are arranged in the smoke collecting cavity side by side at intervals, the two filtering pieces (3) are respectively positioned on the left side and the right side of the main air inlet (102) and divide the smoke collecting cavity into a main cavity (41) and two secondary cavities (42), the lower end of each filtering piece (3) is fixedly connected with the bottom of the smoke collecting hood (1), and the upper end of each filtering piece (3) is fixedly connected with the top of the smoke collecting hood (1) and/or the air box assembly (2);

the main cavity (41) is located between the two secondary cavities (42) and is communicated with the main air inlet (102), each secondary cavity (42) is communicated with the corresponding secondary air inlet (103), and each secondary cavity (42) is communicated with the main cavity (41) through the corresponding filter hole (31) of the filter piece (3).

2. The range hood according to claim 1, wherein an annular sinking platform (104) located at the periphery of the main air inlet (102) is fixedly arranged at the inner side of the bottom of the fume collecting hood (1), the two filtering pieces (3) are vertically arranged, and the lower ends of the two filtering pieces (3) are fixedly connected with the left side and the right side of the annular sinking platform (104).

3. A range hood according to claim 2, wherein the lower end of each filter element (3) is bent towards the inside of the main housing (41) to form a side flange (32), and the side flange (32) is fixedly connected with the annular sinking platform (104).

4. The range hood according to claim 3, wherein a limiting portion (1041) is disposed on one side of the annular sinking platform (104) close to the center of the main air inlet (102), and the limiting portion (1041) is located between the side folding edge (32) and the center of the main air inlet (102) and is used for limiting the side folding edge (32).

5. A range hood according to any one of claims 1-4, wherein the air box assembly (2) has two side plates (21) arranged opposite to each other, each side plate (21) is integrally formed with the filter element (3) directly below the side plate, and each side plate (21) is fixedly connected with the edge of the mounting opening.

6. A range hood according to claim 1, wherein the air box assembly (2) has a rear plate (22), the lower end of the rear plate (22) extends downward into the smoke collecting hood (1) and is fixedly connected with the back plate of the smoke collecting hood (1).

7. A range hood as claimed in claim 6, wherein a rear folded edge (221) which extends backwards and then bends downwards is arranged at the lower end of the rear plate (22), and the rear folded edge (221) is fixedly connected with the back plate of the smoke collecting hood (1).

8. The range hood according to claim 1, wherein a smoke collection chamber (105) is respectively disposed at the left and right sides of the bottom of the smoke collection cover (1) and concaved towards the inside of the smoke collection chamber, and the secondary air inlet (103) is disposed at a side wall of the smoke collection chamber (105) close to the primary air inlet (102).

9. The range hood according to claim 8, wherein the side wall of the smoke collecting cavity (105) close to the main air inlet (102) is a slope (1051) or an arc surface which is inclined from outside to inside and obliquely downward, so that the secondary air inlet (103) is obliquely arranged obliquely downward.

10. The range hood according to any one of claims 1 to 4 or 6 to 9, wherein a wind guide portion (106) is fixedly disposed at a top of the secondary cavity (42), and the wind guide portion (106) is located right above the secondary wind inlet (103) and is configured to guide the flue gas flowing into the secondary cavity (42) to the filter element (3).