Exhaust fume collecting hood and range hood

Abstract

The utility model discloses an exhaust fume collecting hood and a range hood. The exhaust fume collecting hood is characterized in that two side steps are formed on two opposite sides of an auxiliary fume cavity assembly; the upper plate assembly is arranged at the front end of the smoke collecting cavity, the upper end of the upper plate assembly is connected with the front end wall of the smoke collecting hood body, and the left end and the right end of the upper plate assembly are connected with the front ends of the two auxiliary smoke cavity assemblies correspondingly; an upper step is formed at the bottom of the upper plate assembly, and the upper step, the lower step and the side step are located on the same plane. And the oil screen is arranged on the main air inlet through a plane formed by the upper step, the lower step and the side step and is connected with the upper plate assembly. The range hood is simple in structure, lampblack diffused all around is sucked into the lampblack collecting cavity through the auxiliary air inlet, and therefore the lampblack gathering effect is improved, and lampblack can be prevented from escaping.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a fume hood and a range hood. Background Art

[0002] In the prior art, most range hoods are generally composed of a single oil net component. Under kitchen back pressure conditions, there is a problem of oil fume escape on the left and right sides, and the ratio of the oil net air inlet is not set reasonably, resulting in uneven negative pressure distribution. Summary of the invention

[0003] The utility model aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the utility model proposes a smoke collecting hood with a simple structure. The oil smoke diffused to the surroundings is sucked into the smoke collecting chamber through the auxiliary air inlet, thereby improving the smoke collection effect and further preventing the oil smoke from escaping.

[0004] In addition, the utility model provides a range hood which is reasonably designed and can effectively improve the smoke collection effect while preventing the smoke from escaping.

[0005] The first objective is achieved through the following technical solutions:

[0006] A range hood, comprising:

[0007] A smoke hood body, wherein the smoke hood body is integrally formed and defines a smoke collecting cavity inside, and the smoke hood body is provided with an air inlet and an air outlet connected to the smoke collecting cavity, wherein the air inlet is located at the bottom of the smoke collecting cavity, and the air outlet is located at the top of the smoke collecting cavity; a lower step is formed at the bottom of the air inlet;

[0008] A secondary smoke chamber assembly is installed on the left and right sides of the bottom of the smoke hood body and partially extends into the interior of the smoke hood body, dividing the smoke chamber into a main smoke chamber and a secondary smoke chamber that are interconnected, wherein the main smoke chamber is located in the middle, and the secondary smoke chambers are located on both sides of the main smoke chamber; a main air inlet that is connected to the main smoke chamber is formed between the two secondary smoke chamber assemblies, and a secondary air inlet that is connected to the secondary smoke chamber is formed on each of the secondary smoke chamber assemblies; two side steps are formed on opposite sides of the secondary smoke chamber assembly;

[0009] An upper plate assembly, the upper plate assembly is arranged at the front end of the smoke collecting chamber, the upper end of the upper plate assembly is connected to the front end wall of the smoke collecting hood body, and the left and right ends thereof are respectively connected to the front ends of the two auxiliary smoke chamber assemblies; an upper step is formed at the bottom of the upper plate assembly, and the upper step, the lower step and the side step are located in the same plane;

[0010] The oil net is installed on the main air inlet through a plane formed by the upper step, the lower step and the side step and is connected to the upper plate assembly.

[0011] In some embodiments, the upper plate assembly includes a first flat plate, a vertical plate, and a second flat plate connected in sequence, and the upper plate assembly is roughly "Z"-shaped, wherein the first flat plate is horizontally extended, one end of the first flat plate is connected to the front end wall of the smoke hood body, and the other end is bent downward to form the vertical plate, and one end of the vertical plate away from the first flat plate is bent obliquely downward in a direction away from the first flat plate to form the second flat plate, and the free end of the second flat plate is connected to the oil net.

[0012] In some embodiments, a buckling portion is provided on the second flat plate, and a plug-in portion is protruding from the front end of the oil net, and the plug-in portion cooperates with the buckling portion to enable the oil net and the upper plate assembly to be plugged together.

[0013] In some embodiments, the second flat plate is bent upward at one end away from the vertical plate to form a first folded edge to guide the grease on the second flat plate.

[0014] In some embodiments, the auxiliary smoke chamber assembly includes a smoke chamber plate and a guide plate, wherein the smoke chamber plates are respectively arranged on the left and right ends of the bottom wall of the smoke hood body, and an auxiliary air inlet is opened on the bottom wall of each smoke chamber plate. The guide plate is correspondingly arranged at the position of the auxiliary air inlet, and the lower end of the guide plate is connected to the smoke chamber plate, and the upper end of the guide plate is connected to the upper plate assembly to jointly define the auxiliary smoke chamber.

[0015] In some embodiments, the smoke chamber plate is bent to have a second folded edge at one end close to the oil net, and the second folded edge is protrudingly provided with a flange at an end away from the smoke chamber plate, and the smoke chamber folded edge and the flange together constitute the side step, and the side wall of the oil net abuts against the second folded edge, and its top wall abuts against the bottom wall of the flange.

[0016] In some embodiments, a groove is provided at the rear end of the smoke hood body, the rear end of the oil net is inserted into the groove, and the front end thereof is snap-fitted with the upper plate assembly.

[0017] In some embodiments, a control component is further included. An installation cavity is formed between the upper plate component and the front end wall of the smoke hood body, and the control component is disposed in the installation cavity.

[0018] In some embodiments, a lighting lamp is further included, and the lighting lamp is arranged on the auxiliary smoke chamber assembly.

[0019] In some embodiments, a noise reduction plate is further included, which is disposed on the rear side wall of the smoke collecting chamber, and the left and right ends of the noise reduction plate are respectively connected to the rear ends of the two auxiliary smoke chamber components.

[0020] The above second purpose is achieved through the following technical solutions:

[0021] A range hood comprises a fume collecting hood as described in any one of the above embodiments.

[0022] Compared with the prior art, the utility model has at least the following beneficial effects:

[0023] 1. The smoke collecting hood of the utility model has a simple structure and can suck the oil smoke diffused to the surroundings into the smoke collecting chamber through the auxiliary air inlet, thereby improving the smoke collection effect and further preventing the oil smoke from escaping.

[0024] 2. The range hood of the utility model is reasonably designed, which can effectively improve the smoke collection effect and prevent the smoke from escaping. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 This is a schematic diagram of the structure of the smoke collecting hood in the embodiment of the utility model;

[0027] Figure 2 It is an exploded schematic diagram of the smoke collecting hood in the embodiment of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the upper plate assembly in the embodiment of the utility model;

[0029] Figure 4 is a cross-sectional view of a smoke collecting hood in an embodiment of the utility model;

[0030] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A;

[0031] Figure 6 yes Figure 4 A partial enlarged schematic diagram of part B. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in combination with the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention for which protection is sought, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of the technical solution for which protection is sought in the present invention.

[0034] Example:

[0035] like Figures 1 to 6 As shown, this embodiment provides a smoke collecting hood, comprising:

[0036] A smoke hood body 1 is integrally formed and defines a smoke collecting chamber inside, and the smoke hood body 1 is provided with an air inlet and an air outlet connected to the smoke collecting chamber, the air inlet is located at the bottom of the smoke collecting chamber, and the air outlet is located at the top of the smoke collecting chamber; a lower step 11 is formed at the bottom of the air inlet;

[0037] The auxiliary smoke chamber assembly 3 is installed on the left and right sides of the bottom of the smoke hood body 1 and partially extends into the interior of the smoke hood body 1, dividing the smoke chamber into a main smoke chamber and an auxiliary smoke chamber that are interconnected, wherein the main smoke chamber is located in the middle, and the auxiliary smoke chambers are located on both sides of the main smoke chamber; a main air inlet 2 that is connected to the main smoke chamber is formed between the two auxiliary smoke chamber assemblies 3, and an auxiliary air inlet 4 that is connected to the auxiliary smoke chamber is provided on each of the auxiliary smoke chamber assemblies 3; steps are formed on two opposite sides of the auxiliary smoke chamber assembly 3;

[0038] An upper plate assembly 5, the upper plate assembly 5 is arranged at the front end of the smoke collecting chamber, the upper end of the upper plate assembly 5 is connected to the front end wall of the smoke collecting hood body 1, and the left and right ends thereof are respectively connected to the front ends of the two auxiliary smoke chamber assemblies 3; an upper step 56 is formed at the bottom of the upper plate assembly 5, and the upper step 56, the lower step 11 and the side step are located in the same plane;

[0039] The oil screen 6 is installed on the main air inlet 2 through a plane formed by the upper step 56 , the lower step 11 and the side step and is connected to the upper plate assembly 5 .

[0040] In this embodiment, a smoke collecting cavity is defined in the smoke collecting hood body 1, a main air inlet 2 connected to the smoke collecting cavity is provided at the middle position of the bottom wall of the smoke collecting hood body 1, and auxiliary air inlets 4 connected to the smoke collecting cavity are provided at the left and right ends of the bottom wall of the smoke collecting hood body 1, respectively, so that the two auxiliary air inlets 4 can be respectively located at the left and right ends of the main air inlet 2. In addition, since an upper plate assembly 5 is detachably provided at the front end of the smoke collecting hood body 1, an oil net 6 is provided on the main air inlet 2, and a groove is provided at the rear end of the smoke collecting hood body 1, The rear end of the oil net 6 is inserted into the groove, and the front end thereof is snapped together with the upper plate assembly 5, thereby further improving the stability and reliability of the installation of the oil net 6. Most of the oil smoke generated by cooking is sucked by the main air inlet 2, and a small part of the oil smoke is sucked at the two auxiliary air inlets 4. Therefore, when the oil smoke diffuses to both sides, the oil smoke diffused to the surroundings can be sucked into the smoke collecting chamber through the auxiliary air inlet 4. The structure is simple, and the oil smoke diffused to the surroundings can be sucked into the smoke collecting chamber through the auxiliary air inlet 4, thereby improving the smoke collection effect and further preventing the oil smoke from escaping.

[0041] Furthermore, the upper plate assembly 5 includes a first flat plate 51, a vertical plate 54 and a second flat plate 52 connected in sequence, and the upper plate assembly 5 is roughly "Z"-shaped, wherein the first flat plate 51 is horizontally extended, one end of the first flat plate 51 is connected to the front end wall of the smoke hood body 1, and the other end is bent downward to form the vertical plate 54, and one end of the vertical plate 54 away from the first flat plate 51 is bent obliquely downward in a direction away from the first flat plate 51 to form the second flat plate 52, and the free end of the second flat plate 52 is clamped with the oil net 6.

[0042] Preferably, a buckling portion 53 is provided on the second flat plate 52 , and a plug-in portion 61 is protruded at the front end of the oil net 6 , and the plug-in portion 61 cooperates with the buckling portion 53 to connect the oil net 6 and the upper plate assembly 5 together.

[0043] Specifically, the second flat plate 52 is bent at one end away from the vertical plate 54 to form a first folded edge 55 to guide the grease on the second flat plate 52 .

[0044] In this embodiment, the upper plate assembly 5 is composed of a first flat plate 51, a vertical plate 54 and a third flat plate. The first flat plate 51 is connected to the front end wall of the smoke hood body 1, and the other end is bent from top to bottom and connected to the vertical plate 54. The vertical plate 54 is bent from front to back at the end away from the first flat plate 51 and is connected to the second flat plate 52. The second flat plate 52 is clamped together with the oil net 6 at the end away from the vertical plate 54. The second flat plate 52 is bent from bottom to top at the end away from the vertical plate 54 and is provided with a first folded edge 55, which abuts against the front end wall of the oil net 6.

[0045] In addition, a buckle part 53 is provided on the second flat plate 52, and a plug-in part 61 is protruded at the front end of the oil net 6. The plug-in part 61 is matched with the buckle part 53 to make the oil net 6 and the upper plate assembly 5 snap together. Specifically, a through hole is opened on the second flat plate 52, and fixed seats are respectively provided at both ends of the through hole. The two fixed seats are arranged at intervals to form a channel at the middle position of the two fixed seats. A hollow fixed cavity is defined in the fixed seat, and the two fixed cavities are open at opposite ends, so that a ball and a spring are respectively provided in each fixed cavity, and the ball is confined in the fixed cavity. On the open end of the spring, one end of the spring abuts against the closed end of the fixed cavity, and the other end is connected with the ball to limit the movement of the ball. At the front end of the oil net 6, a card-insertion portion 61 is protruded upward, and a recess matching the two balls is recessed on the side wall of the card-insertion portion 61. The card-insertion portion 61 passes through the through hole and the channel in sequence and continues to extend upward until the recess of the card-insertion portion 61 is connected with the two balls, so that the card-insertion portion 61 is connected with the buckling portion 53, thereby making the oil net 6 and the upper plate assembly 5 snap together, and at the same time, the front end wall of the oil net 6 abuts against the first folded edge 55.

[0046] Preferably, the auxiliary smoke chamber assembly 3 includes a smoke chamber plate 31 and a guide plate 32, wherein the smoke chamber plates 31 are respectively arranged on the left and right ends of the bottom wall of the smoke hood body 1, and an auxiliary air inlet 4 is opened on the bottom wall of each smoke chamber plate 31, and the guide plate 32 is correspondingly arranged at the position of the auxiliary air inlet 4, and the lower end of the guide plate 32 is connected to the smoke chamber plate 31, and the upper end thereof is connected to the upper plate assembly 5 to jointly define the auxiliary smoke chamber.

[0047] Furthermore, the smoke chamber plate 31 is bent at one end close to the oil net 6 to provide a smoke chamber folded edge 34, and the smoke chamber folded edge 34 is protrudingly provided with a flange 35 at one end away from the smoke chamber plate 31. The smoke chamber folded edge 34 and the flange 35 together constitute a side step, and the side wall of the oil net 6 abuts against the smoke chamber folded edge 34, and its top wall abuts against the bottom wall of the flange 35.

[0048] Preferably, a groove is provided at the rear end of the main air inlet 2 , the rear end of the oil screen 6 is inserted into the groove, and the front end thereof is snap-fitted to the upper plate assembly 5 .

[0049] Preferably, a control component is further included. An installation cavity is formed between the upper plate component 13 and the front end wall of the smoke hood body 1, and the control component is arranged in the installation cavity.

[0050] Specifically, it also includes an illumination lamp 8 , which is arranged on the auxiliary smoke chamber assembly 3 .

[0051] In particular, it further comprises a noise reduction plate 7, which is arranged on the rear side wall of the smoke collecting chamber.

[0052] In the present embodiment, smoke chamber plates 31 are respectively provided on the left and right ends of the bottom wall of the smoke hood body 1, and a secondary air inlet 4 is opened on the bottom wall of each smoke chamber plate 31, and the guide plate 32 is correspondingly arranged at the position of the secondary air inlet 4. More preferably, a convex edge is convexly provided on the inner wall of the smoke hood body 1, and the lower end of the guide plate 32 is connected to the convex edge, and the upper end thereof is connected to the upper plate assembly 5. Since mounting plates are provided on both ends of the vertical plate 54 in the upper plate assembly 5 by bending from front to back, the lower end of the mounting plate is connected to the second flat plate 52, so that the upper end of the guide plate 32 is connected to the mounting plate, thereby effectively improving the stability of the installation of the guide plate 32. In this way, the auxiliary smoke chamber can be jointly defined by the cooperative connection between the guide plate 32 and the inner wall of the smoke hood body 1, and one end of the auxiliary smoke chamber is connected to the auxiliary air inlet 4, and the other end is connected to the smoke collecting chamber. In addition, the smoke chamber plate 31 is bent upward at one end close to the oil net 6 to provide a smoke chamber folded edge 34, and the smoke chamber folded edge 34 is protruded from the smoke chamber plate 31 to the oil net 6 at one end away from the smoke chamber plate 31. The side wall of the oil net 6 abuts against the smoke chamber folded edge 34, and its top wall abuts against the bottom wall of the flange 35, so that the movement of the oil net 6 is limited by the cooperation between the flange 35 and the smoke chamber folded edge 34. When installing the oil net 6, first insert the rear end of the oil net 6 into the groove from front to back, and then continue to flip upward. When the plug-in portion 61 passes through the through hole and the channel in turn, it continues to extend upward until the recess of the plug-in portion 61 is connected with the two ball bearings, so that the plug-in portion 61 is connected with the buckling portion 53, thereby making the oil net 6 and the upper plate assembly 5 snap together.

[0053] In this embodiment, since smoke chamber plates 31 are additionally provided on the left and right ends of the main air inlet 2, and auxiliary air inlet 4 is opened on the smoke chamber plate 31, the range hood forms a three-chamber air inlet structure, and the area ratio among the auxiliary air inlet 4 at the left end of the smoke hood body 1, the main air inlet 2, and the auxiliary air inlet 4 at the right end of the smoke hood body 1 is 1:5:1, so that most of the oil smoke is sucked at the position of the main air inlet 2, and a small part of the oil smoke is sucked at the positions of the two auxiliary air inlets 4, thereby effectively improving the smoke collection effect of the range hood.

[0054] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A smoke hood, characterized in that: include: A smoke hood body (1), the smoke hood body (1) is integrally formed and defines a smoke collecting chamber inside, and the smoke hood body (1) is provided with an air inlet and an air outlet connected to the smoke collecting chamber, the air inlet is located at the bottom of the smoke collecting chamber, and the air outlet is located at the top of the smoke collecting chamber; a lower step (11) is formed at the bottom of the air inlet; A secondary smoke chamber assembly (3) is installed on the left and right sides of the bottom of the smoke collecting hood body (1) and partially extends into the interior of the smoke collecting hood body (1), dividing the smoke collecting chamber into a main smoke collecting chamber and a secondary smoke chamber that are interconnected, the main smoke collecting chamber is located in the middle, and the secondary smoke chambers are located on both sides of the main smoke collecting chamber; A main air inlet (2) communicating with the main smoke collecting chamber is formed between the two auxiliary smoke chamber components (3), and an auxiliary air inlet (4) communicating with the auxiliary smoke chamber is provided on each auxiliary smoke chamber component (3); two side steps are formed on opposite sides of the auxiliary smoke chamber component (3); An upper plate assembly (5), the upper plate assembly (5) being arranged at the front end of the smoke collecting chamber, the upper end of the upper plate assembly (5) being connected to the front end wall of the smoke collecting hood body (1), and the left and right ends thereof being respectively connected to the front ends of the two auxiliary smoke chamber assemblies (3); an upper step (56) is formed at the bottom of the upper plate assembly (5), and the upper step (56), the lower step (11) and the side step are located in the same plane; The oil screen (6) is installed on the main air inlet (2) through a plane formed by the upper step (56), the lower step (11) and the side step and is connected to the upper plate assembly (5).

2. A smoke collecting hood according to claim 1, characterized in that: The upper plate assembly (5) comprises a first plate (51), a vertical plate (54) and a second plate (52) connected in sequence, and the upper plate assembly (5) is roughly in a "Z" shape, wherein the first plate (51) is horizontally extended, one end of the first plate (51) is connected to the front end wall of the smoke hood body (1), and the other end is bent downward to form the vertical plate (54), and one end of the vertical plate (54) away from the first plate (51) is bent obliquely downward in a direction away from the first plate (51) to form the second plate (52), and the free end of the second plate (52) is clamped with the oil net (6).

3. A smoke collecting hood according to claim 2, characterized in that: A buckling portion (53) is provided on the second flat plate (52), and a plug-in portion (61) is protrudingly provided at the front end of the oil net (6), the plug-in portion (61) being matched and connected with the buckling portion (53) so that the oil net (6) and the upper plate assembly (5) are plugged together.

4. A smoke collecting hood according to claim 2, characterized in that: The second flat plate (52) is bent upward at one end away from the vertical plate (54) to provide a first folded edge (55) to guide the grease on the second flat plate (52).

5. The smoke collecting hood according to claim 1, characterized in that: The auxiliary smoke chamber assembly (3) comprises a smoke chamber plate (31) and a guide plate (32), wherein the smoke chamber plate (31) is respectively arranged on the left and right ends of the bottom wall of the smoke hood body (1), and an auxiliary air inlet (4) is opened on the bottom wall of each smoke chamber plate (31), and the guide plate (32) is correspondingly arranged at the position of the auxiliary air inlet (4), and the lower end of the guide plate (32) is connected to the smoke chamber plate (31), and the upper end thereof is connected to the upper plate assembly (5) to jointly define the auxiliary smoke chamber.

6. A smoke collecting hood according to claim 5, characterized in that: The smoke chamber plate (31) is bent at one end close to the oil net (6) to provide a smoke chamber folded edge (34), and the smoke chamber folded edge (34) is protrudingly provided with a flange (35) at one end away from the smoke chamber plate (31); the smoke chamber folded edge (34) and the flange (35) together constitute the side step; the side wall of the oil net (6) abuts against the smoke chamber folded edge (34), and the top wall thereof abuts against the bottom wall of the flange (35).

7. The smoke collecting hood according to claim 1, characterized in that: A groove is provided at the rear end of the main air inlet (2), the rear end of the oil screen (6) is inserted into the groove, and the front end thereof is clamped together with the upper plate assembly (5).

8. The smoke collecting hood according to claim 1, characterized in that: It also comprises a control component. An installation cavity is formed between the upper plate component (5) and the front end wall of the smoke hood body (1), and the control component is arranged in the installation cavity.

9. The smoke collecting hood according to claim 1, characterized in that: It also comprises a lighting lamp (8), which is arranged on the auxiliary smoke chamber component (3) and located outside the auxiliary air inlet (4).

10. The smoke collecting hood according to claim 1, characterized in that: It also comprises a noise reduction plate (7), which is arranged on the rear side wall of the main smoke collecting chamber, and the left and right ends of the noise reduction plate (7) are respectively connected to the rear ends of the two auxiliary smoke chamber components (3).

11. A range hood, characterized in that: It comprises the smoke collecting hood as claimed in any one of claims 1 to 10.

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