Range hood

By designing the drainage plate, lower suction port and smoke collecting chamber structure in the range hood, the problems of smoke running and leaking at low air volume are solved, improving the smoking effect and reducing noise and power consumption.

CN222335456UActive Publication Date: 2025-01-10QINGDAO AUCMA DOMESTIC ELECTRICAL APPLIANCE +1
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Patent Information

Application Number
CN202323458112.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2025-01-10
Estimated Expiration
2033-12-19

AI Technical Summary

Technical Problem

Existing range hoods are prone to smoke run and leaking under low air volume or air pressure, and increasing air volume or air pressure will increase noise and power, affecting the user experience.

Method used

A range hood was designed. The smoke collection assembly includes a drainage plate, a lower suction port and a smoke collection hood. A smoke collection chamber is set on both sides of the smoke collection hood and an upper suction port is built-in. The oil smoke is optimized through the structural design of the drainage plate and the opening and closing plate. The suction path ensures that the oil smoke can enter the air duct effectively.

Benefits of technology

It effectively avoids smoke running and smoke leakage, improves the overall smoking effect of the range hood, and maintains a good smoking effect even under low air volume or air pressure, reducing noise and power consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of household appliances, and particularly relates to a range hood. A smoke collecting assembly of the range hood is sequentially provided with a drainage plate, a lower exhaust inlet, an opening and closing plate and a smoke collecting hood from bottom to top. The drainage plate is of a smooth curved surface structure, the upper side of the drainage plate is recessed towards the interior of the range hood and forms a notch with the opening and closing plate, and a lower exhaust inlet is formed in the notch; the upper end of the opening and closing plate is connected with the exhaust fume collecting hood; the left side and the right side of the exhaust fume collecting hood are symmetrically provided with upwards-concave exhaust fume collecting cavities, the two exhaust fume collecting cavities are horizontally arranged, and an upper exhaust inlet is formed in each exhaust fume collecting cavity. According to the range hood, the lower exhaust opening is formed in the side face of the range hood, oil smoke is guided to the lower exhaust opening through the drainage plate, and when the oil smoke runs out of the lower exhaust opening, redundant oil smoke can be sucked and discharged through the upper exhaust opening of the smoke collecting cavity, so that the overall smoke suction effect of the range hood is improved, and smoke running and leakage are avoided; and even under the condition of low air volume or air pressure, smoke leakage and smoke leakage are reduced.
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Description

Technical Field

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

[0002] Range hoods are essential household appliances. In the prior art, range hoods are usually side-suction range hoods or top-suction range hoods. Side-suction range hoods are not easy to gather smoke, while top-suction range hoods are far away from the cooker. The smoke flows toward the range hood under the wind force of the range hood. Due to the long distance, the smoke will escape and leak during the contraction process due to insufficient suction. If the smoke escape and leakage are solved by increasing the air volume or air pressure, the noise and power will increase during operation, affecting the normal use of users. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a range hood, wherein the smoke collecting component comprises a guide plate and a lower air suction port, and smoke collecting cavities are arranged on both sides of the top smoke collecting hood, and an upper air suction port is arranged in the smoke collecting cavity to solve the problems in the background technology.

[0004] The technical solutions adopted are:

[0005] A range hood, comprising a smoke collecting component, a fan component arranged at the air outlet end of the top of the smoke collecting component, and an oil cup located at the bottom of the smoke collecting component for receiving oil, wherein the smoke collecting component is provided with a guide plate, a lower air inlet, an opening and closing plate, and a smoke collecting hood in sequence from bottom to top;

[0006] The guide plate is a smooth curved structure, the upper side of which is inclined and recessed toward the inside of the range hood, forming a gap with the opening and closing plate, and a lower air intake is arranged at the gap;

[0007] The opening and closing plate is vertically inclined and arranged at the top of the lower air intake port, and an air duct connecting the lower air intake port to the fan assembly is arranged inside the opening and closing plate (the air duct adopts the existing technology and is arranged according to actual needs), and its upper end is connected to the smoke collecting hood; when cleaning, the opening and closing plate can be opened to clean the internal air duct.

[0008] The left and right sides of the smoke collecting hood are symmetrically provided with upwardly concave smoke collecting cavities, the two smoke collecting cavities are arranged horizontally, and an upper air suction port is arranged in each smoke collecting cavity.

[0009] The lower end of the smooth curved surface of the guide plate is connected to the oil cup, which is conducive to the oil dripping into the oil cup along the guide plate.

[0010] Preferably, the lower end face of the smoke hood is inclined, and the rear ends of the two smoke collecting chambers are deeper than the front ends. The lower end face of the smoke hood is slightly inclined horizontally (its upper end face is horizontally arranged), the opening and closing plate is slightly inclined vertically, the smoke hood and the opening and closing plate are seamlessly connected, and the angle formed between them is greater than 90°. The top wall of the smoke collecting chamber is horizontally arranged, and the rear end of the formed chamber is deeper than the front end, which can better trap smoke and is also conducive to the entry of oil smoke into the air duct.

[0011] Preferably, the upper air intake port is arranged on the top wall of each smoke collecting chamber, and the upper air intake port is a vertical or inclined opening.

[0012] Preferably, the side walls of each smoke collecting chamber are arranged to be inclined upward from bottom to top and slightly gathered inwards, the purpose of which is also to better trap and gather smoke.

[0013] Preferably, the upper air inlet is arranged on the top wall and the side wall of each smoke collecting chamber, and the upper air inlet is a vertical or inclined opening.

[0014] Preferably, an LED light panel is installed in the middle of the two smoke collecting cavities on the smoke collecting hood.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model arranges a lower air intake port on the side of the range hood, and draws the oil smoke into the lower air intake port through a guide plate to suck in the oil smoke. When the oil smoke escapes from the lower air intake port, the oil smoke continues to rise upward, and the excess oil smoke can be sucked and discharged through the upper air intake port of the smoke collecting chamber, thereby improving the overall exhaust effect of the range hood and avoiding smoke escape and leakage. Even under low air volume or air pressure conditions, there is little smoke escape and leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of the range hood of the present utility model.

[0018] In the figure, 1-smoke collecting assembly, 11-drainage plate, 12-lower air inlet, 13-opening and closing plate, 14-smoke collecting hood, 15-smoke collecting chamber, 16-upper air inlet; 2-fan assembly; 3-oil cup. DETAILED DESCRIPTION

[0019] The drawings are for illustrative purposes only; the dimensions in the drawings do not represent the actual dimensions of the product, but are for ease of description. It should also be noted that in the following embodiments, the directional terms such as front, back, left, right, up, down, front, and back are all based on the left side of the user facing the range hood as the left side, and the right side as the right side. Correspondingly, the side close to the user is recorded as the front or front side, and the side away from the user is recorded as the back or back side; the side close to the ground is recorded as the bottom, and the side away from the ground is recorded as the top.

[0020] The utility model is described in detail below with reference to the accompanying drawings and embodiments.

[0021] Example 1

[0022] like Figure 1 As shown, a range hood comprises a smoke collecting component 1, a fan component 2 arranged at the air outlet end of the top of the smoke collecting component 1 and an oil cup 3 located at the bottom of the smoke collecting component 1 for receiving oil, wherein the smoke collecting component 1 is provided with a guide plate 11, a lower air inlet 12, an opening and closing plate 13 and a smoke collecting hood 14 in sequence from bottom to top;

[0023] The guide plate 11 is a smooth curved structure, and its upper side is inclined and recessed toward the inside of the range hood (ultimately the upper side of the guide plate 11 is connected to the vertical wall panel on the opposite side of the range hood), forming a gap with the opening and closing plate 13, and a lower air intake 12 is arranged at the gap; the lower end of the smooth curved surface of the guide plate 11 is connected to the oil cup 3, and its structure is conducive to the oil dripping into the oil cup 3 along the guide plate 11.

[0024] The opening and closing plate 13 is vertically and slightly inclined at the top of the lower air inlet 12, and an air duct connecting the lower air inlet 12 to the fan assembly 2 is arranged inside the opening and closing plate 13 (the air duct adopts the existing technology and is arranged according to actual needs), and its upper end is connected to the smoke collecting hood 14. When cleaning the range hood, the opening and closing plate 13 can be opened to clean the internal air duct.

[0025] The smoke collecting cavities 15 are symmetrically arranged on the left and right sides of the smoke collecting hood 14 . The smoke collecting cavities 15 are two square grooves concave upwards. The two smoke collecting cavities 15 are arranged horizontally, and an upper air inlet 16 is arranged in each smoke collecting cavity 15 .

[0026] The lower end face of the smoke collecting hood 14 is tilted, and the rear ends of the two smoke collecting chambers 15 are deeper than the front ends. The lower end face of the smoke collecting hood 14 is slightly tilted horizontally, and the smoke collecting hood 14 is seamlessly connected to the opening and closing plate 13, and the angle formed between them is greater than 90°. The top wall of each smoke collecting chamber 15 is horizontally arranged, and the rear end of the formed cavity is deeper than the front end, which can better trap smoke and is also conducive to the entry of oil smoke into the air duct. The upper air inlet 16 is arranged on the top wall of each smoke collecting chamber 15, which is an inclined opening.

[0027] As a further preferred configuration, the side walls of each of the smoke collecting chambers 15 are inclined upward from bottom to slightly converge inwards, which is also intended to better trap and gather smoke.

[0028] The air duct inside the range hood is arranged according to the air inlet, adopts the existing technology, and is arranged according to needs, so as to facilitate the output to the outside through the fan.

[0029] When the range hood is working, the fan is turned on and the oil smoke moves upward under the action of the fan. Part of the oil smoke is sucked into the air duct from the lower air intake port, and part of the smoke is absorbed by the upper air inlet on the smoke collecting hood during the rising process, thereby improving the overall smoke extraction effect of the range hood.

[0030] Example 2

[0031] A range hood, the smoke collecting cavities 15 are symmetrically arranged on the left and right sides of the smoke collecting hood 14, the smoke collecting cavities 15 are two square grooves concave upward, the two smoke collecting cavities 15 are arranged horizontally, and an upper air suction port 16 is arranged in each smoke collecting cavity 15. The upper air suction port 16 is arranged on the top wall and the side wall of each smoke collecting cavity 15, and is a vertical opening. The upper air suction port has more openings, and under the action of the smoke collecting cavity 15, the effect of absorbing oil smoke is better.

[0032] Other unmentioned places are the same as those in Example 1.

[0033] Example 3

[0034] A range hood, wherein smoke collecting chambers 15 are symmetrically arranged on the left and right sides of the smoke collecting hood 14, and an LED light panel is installed on the smoke collecting hood between the two smoke collecting chambers 15 for lighting.

[0035] Other unmentioned places are the same as those in Example 1.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connection" and the like should be understood in a broad sense. If the connection method is not specifically stated, conventional means such as bolts, rivets, welding, etc. in the prior art are adopted. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A range hood, comprising a smoke collecting assembly, a fan assembly arranged at the air outlet end of the top of the smoke collecting assembly, and an oil cup located at the bottom of the smoke collecting assembly for receiving oil, characterized in that: The smoke collecting assembly is provided with a guide plate, a lower air inlet, an opening and closing plate and a smoke collecting hood in sequence from bottom to top; The guide plate is a smooth curved structure, the upper side of which is recessed toward the interior of the range hood, forming a gap with the opening and closing plate, and a lower air intake is arranged at the gap; The opening and closing plate is vertically and obliquely arranged at the top of the lower air inlet, and an air duct connected to the fan assembly from the lower air inlet is arranged inside the opening and closing plate, and the upper end of the opening and closing plate is connected to the smoke collecting hood; The left and right sides of the smoke collecting hood are symmetrically provided with upwardly concave smoke collecting cavities, the two smoke collecting cavities are arranged horizontally, and an upper air suction port is arranged in each smoke collecting cavity.

2. A range hood according to claim 1, characterized in that: The lower end surface of the smoke collecting hood is inclined, and the rear ends of the two smoke collecting cavities are deeper than the front ends.

3. The range hood according to claim 1, characterized in that: The upper air inlet is arranged on the top wall of each smoke collecting chamber, and the upper air inlet is a vertical or inclined opening.

4. The range hood according to claim 3, characterized in that: The side walls of each smoke collecting chamber are arranged to be inclined upward from bottom to top and gather inwards.

5. The range hood according to claim 1, characterized in that: The upper air inlet is arranged on the top wall and the side wall of each smoke collecting chamber, and the upper air inlet is a vertical or inclined opening.

6. The range hood according to claim 1, characterized in that: On the smoke collecting hood, an LED light panel is installed in the middle of the two smoke collecting cavities.

Citation Information

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