Range hood

Abstract

The utility model discloses a range hood which comprises a shell assembly, a main air inlet is formed in the middle of the front face of the shell assembly, and secondary air inlets are formed in the left end and the right end of the bottom of the shell assembly respectively. And the air cabinet assembly is installed in the shell assembly, and the distribution ratio of suction force generated when the air cabinet assembly works at the main air inlet, the secondary air inlet on the left side and the secondary air inlet on the right side is 3: 1: 1. The range hood disclosed by the utility model has the characteristics of small occupied space and super-strong smoke gathering, and the oil smoke escape rate is reduced by more than 50% under the condition of the same-form range hood.

Description

Technical Field

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

[0002] At present, the hoods circulating in the market are mainly side-mounted hoods and European-style hoods, while the development of ultra-thin hoods is still in the growth stage. The existing ultra-thin hoods occupy a small space and meet the needs of users with small kitchens. However, due to the small fan of ultra-thin hoods, there is a disadvantage of high fume escape rate.

[0003] In addition, the glass flap of the existing ultra-thin range hood has poor stability and uniformity during the opening and closing process, resulting in the problem of the glass flap not being tightly closed when it is fully closed. Summary of the invention

[0004] 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 range hood with the characteristics of small space occupation and super strong smoke collection. In the case of range hoods of the same shape, the oil fume escape rate is reduced by more than 50%.

[0005] According to the range hood provided above, it is implemented through the following technical solutions:

[0006] A range hood comprises: a shell assembly, wherein a main air inlet is provided in the middle of the front of the shell assembly, and secondary air inlets are respectively provided at the left and right ends of the bottom of the shell assembly; and a wind cabinet assembly, which is installed in the shell assembly, and the suction force generated by the wind cabinet assembly when working is distributed in the main air inlet, the secondary air inlet on the left side and the secondary air inlet on the right side in a ratio of 3:1:1.

[0007] In some embodiments, the front end of the bottom of the housing component is inclined forward and upward to form an inclined section, and the secondary air inlet is respectively provided at the left and right ends of the inclined section.

[0008] In some embodiments, a first smoke collecting cavity recessed toward the interior of the shell component is provided on the front side of the shell component, and a main air inlet is provided on the back side of the first smoke collecting cavity; and / or second smoke collecting cavities recessed toward the interior of the shell component are respectively provided at the left and right ends of the bottom of the shell component, the two second smoke collecting cavities are arranged at intervals, or the two second smoke collecting cavities are connected by a transverse groove, and the secondary air inlet is provided on the top surface of the second smoke collecting cavity.

[0009] In some embodiments, an air guide assembly is further included. The air guide assembly is disposed in the housing assembly and located above the two secondary air inlets, and is used to guide the oil smoke flowing in from the secondary air inlets to the wind cabinet assembly.

[0010] In some embodiments, the air guide assembly includes a front air guide plate and / or two rear air guide plates, the front air guide plate is fixedly connected to the front side of the outer shell assembly and is located between the main air inlet and the secondary air inlet; the two rear air guide plates are respectively arranged directly above the two secondary air inlets, and each of the rear air guide plates is connected to any one of the wind cabinet assembly, the front air guide plate or the front side of the outer shell assembly.

[0011] In some embodiments, the front end of the rear air guide plate is bent upward to form a mounting edge, and the mounting edge is connected to the front side of the housing assembly or the front air guide plate; and / or the rear air guide plate has an upwardly open oil collecting groove, and an oil drain hole is provided at the rear end of the rear air guide plate and is located above and behind the secondary air inlet, and the oil drain hole is communicated with the oil collecting groove.

[0012] In some embodiments, the front air guide plate includes a mounting section and a guide section set at an obtuse angle, the mounting section is connected and fixed to the front side of the shell assembly and is located below the main air inlet, the lower end of the mounting section is bent forward and downward to form a guide section, and the free end of the guide section extends to the front and upper part of the secondary air inlet.

[0013] In some embodiments, the air guide assembly further includes a reinforcing bracket, and the left and right ends of the front air guide plate are respectively connected to the front side of the outer shell assembly through the reinforcing bracket.

[0014] In some embodiments, it also includes a flap assembly and a drive assembly, wherein the upper end of the flap assembly is rotatably connected to the shell assembly and is used to open or close the main air inlet, an opening is provided on the front side of the shell assembly, the drive assembly is installed in the shell assembly, and its front end can be movably passed through the opening and connected to the flap assembly.

[0015] In some embodiments, the opening is located outside the main air inlet and arranged close to the main air inlet, or the opening is located inside the main air inlet and arranged close to the central axis of the main air inlet.

[0016] Compared with the prior art, the present invention has at least the following beneficial effects:

[0017] 1. The range hood of the utility model forms a main air inlet and two secondary air inlets below the main air inlet on the housing component, and distributes the suction force generated by the wind cabinet component to form a golden smoke intake ratio of 3:1:1 among the main air inlet, the left secondary air inlet and the right secondary air inlet. It has the characteristics of small space occupation and super strong smoke collection. In the case of the range hood of the same shape, the oil smoke escape rate is reduced by more than 50%;

[0018] 2. By designing the opening to be close to the main air inlet, the drive assembly is designed to be centered. Compared with the traditional electric push rod arranged on the right or left, the flap assembly has the advantages of more stable opening and closing and more uniform force. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the range hood in Example 1 of the utility model. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of the range hood in Example 1 of the utility model without the left side panel. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the structure of the air guide assembly in Example 1 of the utility model. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the structure of the air guide assembly in Example 1 of the utility model. Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the structure of the range hood in Embodiment 2 of the present utility model in an open state;

[0024] Figure 6 It is a cross-sectional view of the range hood in Example 2 of the utility model in an open state.

[0025] In the figure: 1-housing assembly, 101-main air inlet, 102-secondary air inlet, 103-inclined section, 104-first smoke collecting chamber, 105-second smoke collecting chamber, 106-lateral groove, 107-opening, 111-front plate, 112-back plate, 12-side plate, 131-bottom plate, 132-top plate; 2-wind cabinet assembly; 3-air guide assembly, 31-front air guide plate, 311-installation section, 312-flow guide section, 32-rear air guide plate, 320-oil receiving trough, 321-installation edge, 322-oil drain hole, 33-reinforcement bracket; 4-flap assembly; 5-drive assembly. DETAILED DESCRIPTION

[0026] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0027] Example 1

[0028] refer to Figure 1-2The present embodiment provides a range hood, which is an ultra-thin range hood, including a shell assembly 1, the shell assembly 1 includes a front plate 111, a back plate 112, two side plates 12, a bottom plate 131 and a top plate 132, wherein the front plate 111 and the back plate 112 respectively constitute the front and back of the shell assembly 1, and the bottom plate 131 and the top plate 132 constitute the bottom and top of the shell assembly 1. In the present embodiment, the shell assembly 1 has a depth of 210 mm in the front-to-back direction, which is 320-450 mm compared to the front-to-back depth of 320-450 mm of traditional European-style range hoods and side-suction range hoods. It is truly an ultra-thin range hood, which is beneficial to reducing the volume of the whole machine, occupies a small space, effectively frees up kitchen space, and meets the needs of users with small kitchens. Specifically, a main air inlet 101 connected to the interior of the shell component is provided in the middle of the front side of the shell component 1, and secondary air inlets 102 connected to the interior of the shell component are respectively provided at the left and right ends of the bottom of the shell component 1. The two secondary air inlets 102 and the main air inlet 101 together form a triangular smoking structure, which can collect smoke from different directions, improve the smoking effect, and reduce the escape of oil smoke.

[0029] The range hood further comprises a wind cabinet assembly 2, which is installed in the outer shell assembly 1 and is located behind the main air inlet 101. The wind cabinet assembly 2 has an air inlet, and the air inlet of the wind cabinet assembly 2 is respectively connected to the main air inlet 101 and the two secondary air inlets 102. In the present embodiment, the suction force generated by the wind cabinet assembly 2 at work is distributed in the main air inlet 101, the left secondary air inlet 102 and the right secondary air inlet 102 at a ratio of 3:1:1. In this way, a golden smoking ratio of the main air inlet, the left secondary air inlet and the right secondary air inlet = 3:1:1 is formed, so that the ultra-thin range hood has the characteristic of super strong smoke collection. In the case of range hoods of the same shape, the oil fume escape rate is reduced by more than 50%.

[0030] Specifically, the front end of the bottom of the housing assembly 1 is inclined upward and forward to form an inclined section 103 , and secondary air inlets 102 are respectively provided at the left and right ends of the inclined section 103 to guide the oil smoke upward into the secondary air inlet 102 and the main air inlet 101 . Furthermore, a second smoke collecting chamber 105 recessed toward the inside of the shell component 1 is respectively provided at the left and right ends of the inclined section 103, and a secondary air inlet 102 is provided on the top surface of the second smoke collecting chamber 105. In the present embodiment, the two second smoke collecting chambers 105 are enclosed to form an inverted "eight" shape, and the two second smoke collecting chambers 105 are connected by a transverse groove 106 to form a "concave" shape with a diameter gradually increasing from bottom to top. The secondary air inlet 102 is composed of a plurality of oblique strip holes arranged at intervals along the left and right sides, and each oblique strip hole is arranged obliquely from bottom to top and away from the main air inlet. A flange extending toward the inside of the shell component 1 is integrally formed on its periphery to enhance strength, prevent oil and dirt from overflowing from the air inlet, and avoid scratching the user. In other embodiments, the two second smoke collecting chambers 105 can be arranged at intervals, that is, the transverse groove 106 is omitted.

[0031] Specifically, a first smoke collecting chamber 104 recessed toward the interior of the shell assembly 1 is provided on the front side of the shell assembly 1, and a main air inlet 101 is provided on the back side of the first smoke collecting chamber 104 to improve the smoke collecting effect and reduce the escape of oil smoke. An oil net assembly is detachably installed at the main air inlet 101.

[0032] refer to Figure 2-4 , further, the range hood also includes an air guide assembly 3, which is arranged in the housing assembly 1 and located above the two secondary air inlets 102, and is used to guide the oil smoke flowing in from the secondary air inlets 102 to the wind cabinet assembly 2, and can also be used to guide the oil dirt flowing through it to the front and / or rear of the secondary air inlets 102. In this embodiment, the air guide assembly 3 includes a front air guide plate 31 and two rear air guide plates 32, wherein the front air guide plate 31 is fixedly connected to the front of the housing assembly 1 and is located between the main air inlet 101 and the secondary air inlet 102, and is used to guide the oil smoke flowing in from the secondary air inlet 102 to the wind cabinet assembly 2, and is also used to guide the oil dirt flowing through it to the front of the secondary air inlet 102, and the wind cabinet assembly 2 is located behind the front air guide plate 31. Two rear air guide plates 32 are respectively arranged directly above the two secondary air inlets 102, each rear air guide plate 32 is arranged from front to back and tilted downward, and each rear air guide plate 32 is connected to the front air guide plate 31 and the two are arranged at an acute angle, which is used to guide the oil smoke flowing in from the secondary air inlet 102 to the wind cabinet assembly 2, and also to guide the oil dirt flowing through it to the rear of the secondary air inlet 102. In other embodiments, the rear air guide plate 32 can be directly connected to the front of the wind cabinet assembly or the housing assembly 1, and of course, the front air guide plate 31 or the two rear air guide plates 32 can also be omitted.

[0033] It can be seen that by arranging two rear air guide plates 32 respectively above the two secondary air inlets 102 in the shell assembly 1, the suction force generated by the wind cabinet assembly 2 can be distributed, and the oil smoke flowing in from the secondary air inlets 102 can be easily guided to the wind cabinet assembly 2.

[0034] Specifically, the front air guide plate 31 is generally in an "L" shape, and includes a mounting section 311 and a guide section 312 connected to each other at an obtuse angle, wherein the mounting section 311 is arranged vertically, and the guide section 312 is arranged from top to bottom and inclined forward, and the mounting section 311 is connected and fixed to the front of the shell assembly 1 and is located between the main air inlet 101 and the secondary air inlet, and the lower end of the mounting section 311 is bent forward and downward to form the guide section 312, and the free end of the guide section 312 extends to the front and upper part of the secondary air inlet 102, and is used to guide the oil smoke flowing in from the secondary air inlet 102 toward the upper and rearward direction to the wind cabinet assembly 2, and is also used to guide the oil dirt flowing through it toward the lower and front direction to the front of the secondary air inlet 102.

[0035] Specifically, the rear air guide plate 32 has an oil receiving groove 320 that opens upward, and an oil drain hole 322 is provided at the rear end of the rear air guide plate 32, which is located above and behind the secondary air inlet 102, and the oil drain hole 322 is connected to the oil receiving groove 320. The front end of the rear air guide plate 32 is bent upward to form a mounting edge 321, and the mounting edge 321 is connected to the left end or the right end of the front air guide plate 31. Of course, the mounting edge 321 can also be directly connected to the front of the housing assembly 1, so as to achieve the purpose of hanging the rear air guide plate 32 above the corresponding secondary air inlet 102.

[0036] Furthermore, the air guide assembly 3 also includes a reinforcing bracket 33, which is in a "Z" shape or a "concave" shape. The left and right ends of the mounting section 311 of the front air guide plate 31 are respectively connected to the front side of the outer shell assembly 1 through the reinforcing bracket 33 to further enhance the mounting strength of the front air guide plate 31.

[0037] Example 2

[0038] refer to Figure 5-6 The difference between this embodiment and the embodiment 1 is that the range hood further comprises a flap assembly 4 and a drive assembly 5. The upper end of the flap assembly 4 is rotatably connected to the upper end of the front face of the housing assembly 1, and is used to open or close the main air inlet 101. An opening 107 is provided on the front face of the housing assembly 1. The drive assembly 5 is installed in the housing assembly 1, and its rear end is connected to the bottom of the housing assembly 1, and its front end can be movably passed through the opening 107 and connected to the flap assembly 4, and is used to drive the flap assembly 4 to rotate to open or close the main air inlet 101.

[0039] In this embodiment, the opening 107 is located outside the main air inlet 101 and is arranged close to the main air inlet 101. The opening 107 can also be opened on the oil screen assembly so that the opening 107 is located inside the main air inlet 101 and is arranged close to the central axis of the main air inlet 101. Therefore, by designing the opening 107 to be arranged close to the main air inlet 101, the drive assembly 5 is designed to be centered, and compared with the traditional electric push rod arranged on the right or left, the flap assembly has the advantages of more stable opening and closing and more uniform force.

[0040] 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 range hood, characterized in that: include: A housing component (1), wherein a main air inlet (101) is provided in the middle of the front of the housing component (1), and secondary air inlets (102) are provided at the left and right ends of the bottom of the housing component (1); The wind cabinet component (2) is installed in the housing component (1), and the suction force generated by the wind cabinet component (2) during operation is distributed at a ratio of 3:1:1 between the main air inlet (101), the secondary air inlet (102) on the left side, and the secondary air inlet (102) on the right side.

2. A range hood according to claim 1, characterized in that: The front end of the bottom of the housing component (1) is inclined upward and forward to form an inclined section (103), and the secondary air inlets (102) are respectively provided at the left and right ends of the inclined section (103).

3. A range hood according to claim 1 or 2, characterized in that: A first smoke collecting cavity (104) is provided on the front side of the housing component (1) and is recessed toward the inside of the housing component (1), and a main air inlet (101) is provided on the back side of the first smoke collecting cavity (104); and / or A second smoke collecting chamber (105) recessed toward the inside of the shell component (1) is respectively provided at the left and right ends of the bottom of the shell component (1); the two second smoke collecting chambers (105) are arranged at intervals, or the two second smoke collecting chambers (105) are connected via a transverse groove (106); and the secondary air inlet (102) is provided on the top surface of the second smoke collecting chamber (105).

4. The range hood according to claim 1, characterized in that: It also comprises an air guide component (3), which is arranged in the housing component (1) and located above the two secondary air inlets (102) and is used to guide the oil smoke flowing in from the secondary air inlets (102) to the wind cabinet component (2).

5. The range hood according to claim 4, characterized in that: The air guide assembly (3) comprises a front air guide plate (31) and / or two rear air guide plates (32); the front air guide plate (31) is fixedly connected to the front face of the shell assembly (1) and is located between the main air inlet (101) and the secondary air inlet (102); the two rear air guide plates (32) are respectively arranged directly above the two secondary air inlets (102); each of the rear air guide plates (32) is connected to any one of the wind cabinet assembly (2), the front air guide plate (31) or the front face of the shell assembly (1).

6. The range hood according to claim 5, characterized in that: The front end of the rear air guide plate (32) is bent upward to form a mounting edge (321), and the mounting edge (321) is connected to the front side of the housing assembly (1) or the front air guide plate (31); and / or the rear air guide plate (32) has an oil receiving groove (320) that opens upward, and an oil drain hole (322) is provided at the rear end of the rear air guide plate (32) and is located above and behind the secondary air inlet (102), and the oil drain hole (322) is communicated with the oil receiving groove (320).

7. The range hood according to claim 5, characterized in that: The front air guide plate (31) comprises a mounting section (311) and a flow guide section (312) arranged at an obtuse angle, the mounting section (311) being connected and fixed to the front face of the housing assembly (1) and being located below the main air inlet (101), the lower end of the mounting section (311) being bent forward and downward to form the flow guide section (312), the free end of the flow guide section (312) extending to the front and upper part of the secondary air inlet (102).

8. The range hood according to claim 5, characterized in that: The air guide assembly (3) further comprises a reinforcing bracket (33), and the left and right ends of the front air guide plate (31) are respectively connected to the front face of the housing assembly (1) via the reinforcing bracket (33).

9. The range hood according to claim 1, characterized in that: It also includes a flap assembly (4) and a drive assembly (5), wherein the upper end of the flap assembly (4) is rotatably connected to the housing assembly (1) and is used to open or close the main air inlet (101), an opening (107) is provided on the front of the housing assembly (1), and the drive assembly (5) is installed in the housing assembly (1), and its front end can be movably inserted into the opening (107) and connected to the flap assembly (4).

10. The range hood according to claim 9, characterized in that: The opening (107) is located outside the main air inlet (101) and is arranged close to the main air inlet (101), or the opening (107) is located inside the main air inlet (101) and is arranged close to the central axis of the main air inlet (101).

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