CN214791355U

CN214791355U - Oil guide structure of side-draft range hood

Info

Publication number: CN214791355U
Application number: CN202120686985.3U
Authority: CN
Inventors: 刘元卉; 申志贤
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-19
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to a side suction type range hood leads oily structure, include: the oil guide groove extends along the left and right directions of the shell to receive oil flowing down from the inner wall of the shell and guide the oil to at least one of the left side and the right side of the shell; the vertical section of the oil guide groove along the front-back direction is of a structure with a wide upper part and a narrow lower part. The oil guide structure can guide oil received by the oil guide groove to the side part quickly, and further avoid the oil remaining in the oil guide groove for a long time.

Description

Oil guide structure of side-draft range hood

Technical Field

The utility model relates to a range hood technical field especially relates to a side suction type range hood lead oily structure.

Background

The range hood is a kitchen appliance for purifying the kitchen environment. The air inlet of the oil guide plate of the existing range hood is positioned in the middle of the front side wall of the smoke collecting hood, so that in order to avoid oil stain accumulation on a top plate above the air inlet of the oil guide plate, the oil guide structure part of the existing range hood, particularly the side-draft range hood, generally guides waste oil to the lower part of the front side wall of the smoke collecting hood and then into an oil cup by using an oil filter screen, thus easily causing unsmooth air inlet of the air inlet, poor smoking effect and frequent cleaning of the oil filter screen.

Therefore, the chinese patent application with the application number CN201611244635.1 (publication number CN106642260A) discloses an oil guiding structure of a side-draft range hood, which includes side plates, an oil guiding plate, a rectifying plate and an oil cup, wherein a front baffle is disposed between front end portions of the side plates, a first oil guiding groove is formed on the front baffle, a front side plate is disposed on a front side of an air inlet of the oil guiding plate, the front side plate is disposed above the front baffle, a vertical projection of a lower edge of the front side plate falls into the first oil guiding groove, a second oil guiding groove communicated with the first oil guiding groove is disposed on at least one side plate, and a first oil leaking hole communicated with the oil cup is formed at a bottom of the second oil guiding groove. This range hood leads the oil groove through setting up the first oil groove of leading on the baffle in the front, sets up the second on the curb plate and leads the oil groove, range hood during operation, the greasy dirt of gathering at the curb plate back in the front can flow into in first oil groove and the second leads the oil groove in proper order, finally leads the oil leak hole of oil groove and flows into the oil cup through the second, the greasy dirt of gathering on the curb plate in the front can not drip on filter screen and the panel for can not remain oil on the filter screen, the filter screen is more clean, thereby avoid the greasy dirt to drip on the top of a kitchen range from the filter screen. A similar disclosure is made in the application No. CN201020229142.2 (No. CN 201803397U).

However, the first oil guiding groove structure in the above patent still has a certain deficiency in the practical application process, when guiding the flow of the oil received from the upper portion of the air inlet to both sides or one of them through the first oil guiding groove, the ideal guiding manner is to guide the flow of the first oil guiding groove to both sides at the flow rate as fast as possible, so as to prevent the oil from remaining and solidifying in the first oil guiding groove for a long time, and further affect the subsequent guiding effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide one kind can lead the fluid that the oil groove was accepted and carry out the water conservancy diversion to the lateral part fast, and then avoid fluid to lead the oil structure of leading of the side-suction type range hood that persists in the oil groove for a long time.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

an oil guide structure of a side-draft range hood comprises:

the oil guide groove extends along the left and right directions of the shell to receive oil flowing down from the inner wall of the shell and guide the oil to at least one of the left side and the right side of the shell; the vertical section of the oil guide groove along the front-back direction is of a structure with a wide upper part and a narrow lower part.

In order to simplify the structure of leading the oil groove and save the processing cost consideration, lead the oil groove and include first lateral wall and second lateral wall, first lateral wall top-down slopes backward, the second lateral wall with first lateral wall angulation sets up, and slopes backward from bottom to top, thereby makes lead the oil groove and be the V-arrangement along the vertical cross-section of fore-and-aft direction.

In order to make the upper caliber of the oil guide groove as large as possible so as to better receive oil, the included angle formed by the second side wall of the oil guide groove and the vertical plane is alpha, and alpha is more than or equal to 0 degree and less than or equal to 60 degrees. Above-mentioned structure sets up for the fluid that drips on the second lateral wall of leading the oil groove fast flows the lowest department that leads the oil groove, makes fluid collect fast and then leads to the left side or the right side water conservancy diversion of oil groove. In order to ensure that the oil guide groove has a certain oil storage space, the distance from the upper edge to the lower edge of the second side wall of the oil guide groove is L, and L is more than or equal to 5mm and less than or equal to 10 mm.

In order to make the oil dropping on the first side wall of the oil guide groove rapidly flow to the lowest part of the oil guide groove, the front side wall of the shell is backwards from top to bottom, and the inclination direction of the first side wall of the oil guide groove of the shell is basically consistent with that of the front side wall of the shell.

In order to facilitate assembly of the oil guide groove, the upper edge of the air inlet of the shell is provided with an extension part, the extension part is turned over towards the inside of the shell to form an installation part, the upper edge of the first side wall of the oil guide groove is provided with a flanging turned over towards the inside of the shell, and the flanging is connected to the installation part. It is conceivable that the oil-guiding groove is also formed by a wall of the housing, i.e. the first and second side walls of the oil-guiding groove are designed integrally with the housing.

In order to avoid the problem of interference of the wall of the oil guide groove with the front side wall of the shell and other parts at the position of the air inlet of the shell, the first side wall of the oil guide groove and the front side wall of the shell are basically on the same plane.

In order to further improve the water conservancy diversion effect of leading the oil groove to the lateral part, lead the oil groove and be the structure setting that the middle part is high, both sides are low.

For convenience of processing, the left side and the right side of the second side wall of the oil guide groove are provided with flow guide parts which incline downwards from the middle part to the two sides along the extending direction of the second side wall of the oil guide groove.

In order to ensure the effect of guiding oil from the oil guiding groove to the side part, the inclined included angle of the flow guiding part of the second side wall of the oil guiding groove relative to the horizontal plane is beta, and the beta is more than or equal to 15 degrees.

Compared with the prior art, the utility model has the advantages that: the oil groove of leading of side-draught range hood is narrow structure under wide along the ascending vertical cross-section of fore-and-aft direction, from this, fluid drips can collect fast to leading the lowest of oil groove in should leading the oil groove back, owing to lead the oil groove again and be narrow structure setting under wide along fore-and-aft direction's vertical cross-section, even if have a small amount of fluid to collect the time, also can flow to the lateral part along the length direction of leading the oil groove, avoid fluid to persist and condense for a long time in leading the oil groove, influence subsequent water conservancy diversion effect.

Drawings

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

fig. 2 is a front view of an embodiment of the present invention;

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

fig. 4 is a front-back cut perspective view of the range hood according to the embodiment of the present invention;

fig. 5 is a schematic perspective view of an oil guiding groove according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the disclosed embodiments of the invention may be oriented in different directions and the directional terms are used for purposes of illustration and not for purposes of limitation, such as "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Referring to fig. 1 to 5, an oil guiding structure of a side-draft range hood includes a housing 10, an oil screen 30, an oil cup 31, an oil guiding plate 14, and an oil guiding groove 20. The casing 10 includes a front side wall 11, a rear side wall, and a left side wall and a right side wall, the front side wall 11 of the casing 10 is inclined from top to bottom, the rear side wall of the casing 10 is substantially vertically disposed, and the oil cup 31 is disposed at the bottom of the front side wall 11 and the rear side wall of the casing 10 for receiving oil flowing down from the inner wall of the casing 10.

Referring to fig. 1, the front side wall 11 of the housing 10 has an air inlet 12. The air inlet 12 is a strip-shaped opening extending along the left-right direction of the front side wall 11 of the housing 10. Wherein the upper edge of the air inlet 12 is bent toward the inside of the housing 10 to form a mounting portion 13. The oil guiding groove 20 comprises a first side wall 21 and a second side wall 22, wherein the first side wall 21 is also inclined backwards from top to bottom, specifically, the first side wall 21 is substantially in the same plane with the front side wall 11 of the housing 10, the upper edge of the first side wall 21 is further provided with a flange 23 turned towards the inside of the housing 10, and the flange 23 is connected to the mounting portion 13, as shown in detail in fig. 2. The second side wall 22 is angled with respect to the first side wall 21 and slopes rearwardly from bottom to top to form an upwardly opening V-shaped groove, i.e., oil guide groove 20, as best seen in fig. 3. It is conceivable that, as a modification, the oil guide groove 20 of the present embodiment may have another groove-shaped structure whose vertical cross section in the front-rear direction (position shown as a-a in fig. 2) is wide at the top and narrow at the bottom.

The oil guide groove 20 of the present embodiment extends along the left and right direction of the casing 10 to receive the oil flowing down from the inner wall of the casing 10 and guide the oil to at least one of the left and right sides of the casing 10. It is conceivable that the oil guide groove of the present embodiment may be formed separately from a separate member and then connected to the housing 10, or may be formed directly from a wall of the housing 10 (the mounting portion 13 described above).

In order to make the oil dropped on the second side wall of the oil guiding groove 20 flow to the lowest position of the oil guiding groove 20 quickly and make the oil collect quickly and then flow to the left or right side of the oil guiding groove 20, the included angle formed by the second side wall 22 of the oil guiding groove 20 and the vertical plane is alpha, and alpha is more than or equal to 0 degree and less than or equal to 60 degrees. Specifically, the distance from the upper edge to the lower edge of the second sidewall 22 of the oil guide groove 20 is L, and L is greater than or equal to 5mm and less than or equal to 10mm, so that the oil guide groove 20 has a certain oil storage space. Similarly, in order to make the oil dropped on the first side wall of the oil guide groove 20 rapidly flow to the lowest portion of the oil guide groove 20, the first side wall 21 of the oil guide groove 20 of the present embodiment is inclined in a direction substantially identical to the inclination direction of the front side wall 11 of the housing 10, as will be described in detail with reference to fig. 2.

Referring to fig. 1 and 5, the oil guiding groove 20 of the present embodiment is configured to have a structure with a high middle portion and low two sides, and specifically, the left and right sides of the second side wall 22 of the oil guiding groove 20 have the flow guiding portions 221 inclining downwards from the middle portion to the two sides along the extending direction of the first side wall of the oil guiding groove 20, which facilitates the processing and forming of the oil guiding groove 20 and ensures that the cross section of the end portion of the oil guiding groove 20 is a structure with a wide top and a narrow bottom. More specifically, in order to ensure the oil guiding effect of the oil guiding groove 20 to the side, the inclined angle of the guiding portion 221 of the oil guiding groove 20 with respect to the horizontal plane is β, and β is greater than or equal to 15 °.

Referring to fig. 3, the inside of the casing 10 is further provided with an oil guide plate 14 extending from top to bottom, and a lower edge of the oil guide plate 14 extends to the position of the mounting portion 13 and is located right above the oil guide groove 20, that is, a vertical projection of the lower edge of the oil guide plate 14 is located in the oil guide groove 20.

With continued reference to fig. 3, the oil screen 30 of the present embodiment is disposed inside the housing 10, specifically above the air inlet 12, and covers the air inlet 12 to filter the oil smoke entering the housing 10 through the air inlet 12. The front part of the oil screen 30 is connected to the oil guide plate 14, and the rear part of the oil screen 30 is arranged on the front side wall 11 of the shell 10 through a vertically arranged support plate.

The first sidewall 21 of the oil guiding groove 20 of the side-draft range hood of this embodiment is disposed obliquely from top to bottom, and the second sidewall 22 of the oil guiding groove 20 and the first sidewall 21 of the oil guiding groove 20 are disposed at an angle, so that the oil condensed on the oil guiding plate 14 on the upper side of the air inlet 12 drops onto the first sidewall 21 and the second sidewall 22 of the oil guiding groove 20 and then quickly collects to the lowest position of the oil guiding groove 20, and the vertical section of the oil guiding groove 20 along the front-back direction is disposed in a structure with a wide top and a narrow bottom, so that even when a small amount of oil collects, the oil flows to the side along the length direction of the oil guiding groove 20 and is guided to the oil cup 31 at the bottom of the housing 10 by the front sidewall 11 of the housing 10 (the flow path of the oil is shown by the arrow in fig. 4), thereby preventing the oil from remaining in the oil guiding groove 20 for a long time and condensing, and affecting the subsequent flow guiding effect.

Claims

1. An oil guide structure of a side-draft range hood comprises:

the air conditioner comprises a shell (10), wherein an air inlet (12) is formed in the front side wall (11) of the shell (10), an oil guide groove (20) with an upward opening is formed in the front side wall (11) of the shell (10) corresponding to the upper edge of the air inlet (12), and the oil guide groove (20) extends along the left and right direction of the shell (10) to receive oil flowing down from the inner wall of the shell (10) and guide the oil to at least one of the left side and the right side of the shell (10);

the method is characterized in that: the vertical section (A-A) of the oil guide groove (20) along the front-back direction is of a structure with a wide upper part and a narrow lower part.

2. The oil guide structure of the side draft range hood according to claim 1, wherein: lead oil groove (20) including first lateral wall (21) and second lateral wall (22), first lateral wall (21) top-down inclines backward, second lateral wall (22) with first lateral wall (21) angulation sets up, and inclines backward from bottom to top, thereby makes lead oil groove (20) are the V-arrangement along front and back direction's vertical cross-section (A-A).

3. The oil guide structure of the side draft type range hood according to claim 2, wherein: the included angle formed by the second side wall (22) of the oil guide groove (20) and the vertical plane is alpha, alpha is more than or equal to 0 degree and less than or equal to 60 degrees, the distance from the upper edge to the lower edge of the second side wall (22) of the oil guide groove (20) is L, and L is more than or equal to 5mm and less than or equal to 10 mm.

4. The oil guide structure of the side draft type range hood according to claim 3, wherein: the front side wall (11) of the shell (10) inclines backwards from top to bottom, and the inclination direction of the first side wall (21) of the oil guide groove (20) is basically consistent with the inclination direction of the front side wall (11) of the shell (10).

5. The oil guiding structure of the side draft type extractor hood according to any one of claims 1 to 4, wherein: the last border of air intake (12) of casing (10) has the extension, and this extension turns over towards the internal turnover of casing (10) and forms installation department (13), the last border of leading first lateral wall (21) of oil groove (20) has the orientation turn-ups (23) that turn over the internal turnover of casing (10), turn-ups (23) are connected installation department (13) on.

6. The oil guiding structure of the side draft type range hood according to claim 5, wherein: the first side wall (21) of the oil guide groove (20) is basically on the same plane with the front side wall (11) of the shell (10).

7. The oil guiding structure of the side draft type range hood according to claim 5, wherein: the inside of casing (10) still is equipped with oil guide plate (14) that top-down extended arrangement, the lower border of oil guide plate (14) extends to installation department (13) position, just the vertical projection of the lower border of oil guide plate (14) is located oil guide groove (20) in.

8. The oil guiding structure of the side draft type extractor hood according to any one of claims 1 to 4, wherein: the oil guide groove (20) is in a structure with a high middle part and low two sides.

9. The oil guiding structure of the side draft type range hood according to claim 8, wherein: the left side and the right side of the second side wall (22) of the oil guide groove (20) are provided with flow guide parts (221) which incline downwards from the middle part to the two sides along the extending direction of the second side wall (22) of the oil guide groove (20).

10. The oil guiding structure of the side draft type range hood according to claim 9, wherein: the inclined included angle of the flow guide part (221) of the second side wall (22) of the oil guide groove (20) relative to the horizontal plane is beta, and the beta is more than or equal to 15 degrees.