Cooking fume exhausting and ventilating cover

By designing a detachable protective net and protective layer in the exhaust fume ventilation hood, the problems of inconvenient cleaning and poor corrosion resistance of existing equipment are solved, the ventilation effect and service life are improved, and the maintenance cost is reduced.

CN222256734UActive Publication Date: 2024-12-27GUANGZHOU JUNXI ENVIRONMENTAL PROTECTION CO LTD
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Patent Information

Application Number
CN202420322889.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-21
Publication Date
2024-12-27
Estimated Expiration
2034-02-21

AI Technical Summary

Technical Problem

The existing oil exhaust fume ventilation hood has inconvenience in cleaning in terms of insect and dust prevention, and has poor corrosion, oxidation and anti-aging effects, resulting in short service life and increased cost.

Method used

A fume ventilation ventilator including a protective cover, a hollow ventilator, a blind, a lighting lamp and a switch was designed. By installing a protective component and a protective layer on the inner side wall of the hollow ventilator, the protective net of the protective component can be detachably cleaned, and Install anti-oxidation, anti-corrosion and anti-aging layers on the inner side wall of the hollow vent pipe to prevent water vapor corrosion.

Benefits of technology

It effectively avoids the entry of mosquitoes and dust, improves ventilation effect, and extends the service life of the equipment through protective layers, reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222256734U_ABST
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Abstract

The utility model discloses a fume exhaust ventilation cover, which relates to the technical field of kitchen ventilation equipment, and comprises a protective cover, a hollow ventilation pipe, a shutter, an illuminating lamp and a switch, the fume exhaust ventilation cover consists of the protective cover, the hollow ventilation pipe, the shutter, the illuminating lamp and the switch, the hollow ventilation pipe is arranged on the upper side wall of the protective cover, and the shutter is arranged on the lower side wall of the protective cover. A shutter is installed on the inner side wall of the protective cover, an illuminating lamp is installed on the lower side wall of the protective cover, a switch is installed on the outer side wall of the protective cover, the hollow ventilation pipe is slidably connected with a first sliding block through a sliding groove in the lower side wall, the lower side wall of the first sliding block is detachably and fixedly connected with a limiting block, and a sealing block is installed on the outer side wall of the hollow ventilation pipe. A protection assembly is installed on the inner side wall of the hollow ventilation pipe, and a protection assembly is installed on the inner side wall of the hollow ventilation pipe. The protective net of the protective assembly can prevent mosquitoes and dust, and the mosquitoes and the dust are prevented from entering the protective cover from the hollow ventilation pipe.
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Description

Technical Field

[0001] The utility model belongs to the technical field of kitchen ventilation equipment, in particular to a fume exhaust ventilation hood. Background Art

[0002] As people's quality of life improves, range hoods are used more frequently in people's daily lives. However, the smoke outlet of the range hood uses a plastic hose or an ordinary metal hose to discharge oil smoke. The pipe mouth is open, and the rain, wind and dust protection functions are very poor, which can easily cause rainwater to flow back, and mosquitoes will enter the room from the smoke outlet. This requires the use of a smoke exhaust ventilation hood for protection;

[0003] Existing document-CN2292980Y is a circular arc type oil fume exhaust ventilation hood, which has the structural characteristics of the circular arc protective cover, the connecting surface and the hollow tenon body connected in sequence, the protective cover has an air diffusion port at the bottom, the connecting surface is provided with a shutter for exhaust, the shutter has an exhaust hole, and there is an insect-proof net behind the exhaust hole; there is a water stop plate at the rear of the air tenon body, and a retaining spring is provided on the surface; when in use, the hollow tenon body can be directly inserted into the oil fume exhaust port; the utility model overcomes the shortcomings of poor dustproof, windproof and rainproof performance in the prior art, has a simple and reasonable structure, and is easy to promote, but it still has the following disadvantages in actual use:

[0004] 1. The above-mentioned arc-shaped exhaust fume ventilation hood is insect-proof and dust-proof through insect-proof nets and shutters when in use. However, the insect-proof net is used for a long time and is stained with mosquitoes, which is inconvenient to clean, and then blocks the arc-shaped protective cover, causing ventilation inconvenience, thereby reducing the practicality;

[0005] 2. The above-mentioned arc-shaped exhaust fume ventilation hood has poor anti-corrosion, anti-oxidation and anti-aging effects when in use. It will be corroded by water vapor over time, which makes the service life of the arc-shaped protective cover relatively low, thereby increasing the cost. Utility Model Content

[0006] The utility model aims to provide an exhaust fume ventilation hood, which can make the hollow ventilation pipe have the effects of anti-oxidation, anti-corrosion and anti-aging through the cooperation of the anti-oxidation layer, anti-corrosion layer and anti-aging layer of the protective component, thereby increasing the service life; the protective net of the protective component can be used to prevent mosquitoes and dust, thereby preventing mosquitoes and dust from entering the protective cover through the hollow ventilation pipe, thereby solving the problem of short service life of existing exhaust fume ventilation hoods.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses an oil fume exhaust ventilation hood, comprising a protective hood, a hollow ventilation pipe, a shutter, an illumination lamp and a switch. The oil fume exhaust ventilation hood is composed of the protective hood, the hollow ventilation pipe, the shutter, the illumination lamp and the switch. The upper side wall of the protective hood is equipped with the hollow ventilation pipe, the inner side wall of the protective hood is equipped with the shutter, the lower side wall of the protective hood is equipped with the illumination lamp, the outer side wall of the protective hood is equipped with a switch, the hollow ventilation pipe is slidably connected with a first slider through a sliding groove of the lower side wall, the lower side wall of the first slider is detachably fixedly connected with a limit block, and the outer side wall of the hollow ventilation pipe is equipped with a sealing block; the inner side wall of the hollow ventilation pipe is equipped with a protective component, and the inner side wall of the hollow ventilation pipe is equipped with a protective component; the inner side wall of the installation frame of the protective component is equipped with a protective net, the left and right outer sides of the installation frame are both equipped with a second slider, and the front side wall of the installation frame is equipped with a handle; the inner side wall of the anti-oxidation layer of the protective component is equipped with an anti-corrosion layer, and the inner side wall of the anti-corrosion layer is equipped with an anti-aging layer.

[0009] Furthermore, the hollow ventilation pipe is in an inverted L shape, and the air inlet of the hollow ventilation pipe is sealed and connected to the air outlet of the protective cover.

[0010] Furthermore, a second sliding block is installed in the sliding groove of the inner wall of the hollow ventilation tube, and the hollow ventilation tube is slidably connected to the second sliding block through the sliding groove.

[0011] Furthermore, the second sliding block is detachably fixedly connected to the outer side wall of the installation frame, the front side wall of the installation frame is detachably fixedly connected to the handle, and a limit block is provided on the lower side wall of the installation frame.

[0012] Furthermore, an installation groove is provided on the inner side wall of the installation frame, a protective net is installed in the installation groove of the installation frame, and the installation frame is fitted and connected to the protective net through the installation groove.

[0013] Furthermore, an anti-oxidation layer is installed on the inner wall of the hollow ventilation tube, and the outer wall of the anti-oxidation layer is bonded and connected to the anti-oxidation layer.

[0014] Furthermore, the inner side wall of the anti-oxidation layer is bonded to the anti-corrosion layer, and the inner side wall of the anti-corrosion layer is bonded to the anti-aging layer.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model provides a protection component to protect the hollow ventilation duct through a protection net to prevent mosquitoes and dust from entering. If there are many mosquitoes on the protection net, the limit block is moved first, and the movement of the first slider drives the limit block to move, and then the limit of the installation frame is released. The handle is held and pulled to make the second slider slide in the slide groove, and then the installation frame is dragged to move, so as to achieve the effect of bringing out the protection net in the installation frame, and the protection net can be replaced and cleaned, so as to prevent mosquitoes and dust from entering and affecting the ventilation effect, and solve the problem of insect and dust prevention through insect-proof nets and blinds, but the insect-proof net is used for a long time, and mosquitoes are stuck on it, which is inconvenient to clean, and then the arc-shaped protective cover is blocked, causing ventilation inconvenience, thereby reducing the practicality.

[0017] 2. The utility model sets a protection component, and the hollow ventilation pipe is installed in an inverted L shape, which can facilitate the installation and suspension of the protective cover. The anti-aging layer, anti-corrosion layer and anti-oxidation layer are installed in sequence on the inner wall of the hollow ventilation pipe, which isolates the hollow ventilation pipe from direct reaction with humid air and avoids corrosion by humid air or water vapor, thereby increasing the service life and solving the problem that the anti-corrosion, anti-oxidation and anti-aging effects are poor. After long-term use, the arc-shaped protective cover will be corroded by water vapor, which makes the service life of the arc-shaped protective cover relatively low, thereby increasing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a fume exhaust ventilation hood;

[0019] Figure 2 It is a schematic diagram of the structure inside the hollow ventilation tube;

[0020] Figure 3 Exploded view of the structure to protect the components;

[0021] Figure 4 This is an exploded view of the protection components.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Protective cover; 2. Hollow ventilation duct; 3. Shutter; 4. Light; 5. Switch; 6. Protective component; 7. Protection component; 201. First slider; 202. Limit block; 203. Sealing block; 601. Installation frame; 602. Protective net; 603. Second slider; 604. Handle; 701. Anti-oxidation layer; 702. Anti-corrosion layer; 703. Anti-aging layer; 6011. Installation groove. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] First embodiment

[0026] See also Figure 1 and Figure 2 As shown, the utility model is a fume exhaust ventilation hood, comprising a protective hood 1, a hollow ventilation pipe 2, a shutter 3, a lighting lamp 4 and a switch 5. The fume exhaust ventilation hood is composed of a protective hood 1, a hollow ventilation pipe 2, a shutter 3, a lighting lamp 4 and a switch 5. The air outlet of the protective hood 1 is sealed and connected with the air inlet of the hollow ventilation pipe 2 to avoid weakening of the suction force. The shutter 3 is installed on the inner side wall of the protective hood 1. The shutter 3 can prevent mosquitoes from entering the protective hood 1 and affecting the use of the range hood. The lighting lamp 4 is installed on the lower side wall of the protective hood 1 to facilitate lighting under the protective hood 1 and facilitate the use of personnel. The switch 5 is installed on the outer side wall of the protective hood 1;

[0027] The hollow ventilation pipe 2 is slidably connected to the first slider 201 through the sliding groove of the lower side wall. The first slider 201 facilitates the installation and movement of the limit block 202. The lower side wall of the first slider 201 is detachably fixedly connected to the limit block 202. The limit block 202 is arranged below the installation frame 601 to limit the installation frame 601. A sealing block 203 is installed on the outer wall of the hollow ventilation pipe 2; the sealing block 203 seals the connection between the hollow ventilation pipe 2 and the wall. A protective component 6 is installed on the inner wall of the hollow ventilation pipe 2. The protective component 6 has the effect of preventing mosquitoes and dust from entering the protective cover 1 through the hollow ventilation pipe 2.

[0028] A protective net 602 is installed on the inner side wall of the installation frame 601 of the protection component 6. The protective net 602 has the effect of preventing mosquitoes and dust. The left and right outer side walls of the installation frame 601 are both installed with second sliders 603. The second sliders 603 facilitate the installation and movement of the installation frame 601. A handle 604 is installed on the front side wall of the installation frame 601.

[0029] A second slider 603 is installed in the slide groove provided on the inner wall of the hollow ventilation tube 2, so that the hollow ventilation tube 2 is slidably connected to the second slider 603 through the slide groove, and the installation of the second slider 603 is completed. The second slider 603 is detachably fixedly connected to the outer wall of the installation frame 601, so that the second slider 603 and the installation frame 601 can move synchronously, and the front side wall of the installation frame 601 is detachably fixedly connected to the handle 604;

[0030] An installation groove 6011 is provided on the inner side wall of the installation frame 601, and the installation groove 6011 facilitates the installation and fixation of the protection net 602. The protection net 602 is installed in the installation groove 6011 of the installation frame 601, and the installation frame 601 is closely connected with the protection net 602 through the installation groove 6011;

[0031] When the above arrangement is in use, the hollow ventilation tube 2 is protected by the protective net 602 to prevent mosquitoes and dust from entering. When there are many mosquitoes on the protective net 602, first move the limit block 202, and the movement of the first slider 201 drives the limit block 202 to move, thereby releasing the limit of the installation frame 601, hold the handle 604, and gently pull the handle 604 to make the second slider 603 slide in the slide groove, and then drag the installation frame 601 to move, so as to achieve the effect of bringing out the protective net 602 in the installation frame 601, and the protective net 602 can be replaced and cleaned to avoid mosquitoes and dust from affecting the ventilation effect.

[0032] Second embodiment

[0033] The difference between the second embodiment and the first embodiment is that: Figure 2 and Figure 3 As shown, a protective component 7 is installed on the inner wall of the hollow ventilation tube 2, and an anti-corrosion layer 702 is installed on the inner wall of the anti-oxidation layer 701 of the protective component 7. The anti-oxidation layer 701 can prevent the hollow ventilation tube 2 from reacting with the wet hollow, and the anti-corrosion layer 702 can prevent the hollow ventilation tube 2 from being corroded. An anti-aging layer 703 is installed on the inner wall of the anti-corrosion layer 702, and the anti-aging layer 703 can prevent the hollow ventilation tube 2 from aging too quickly and affecting its use;

[0034] The anti-oxidation layer 701 is installed on the inner wall of the hollow ventilation tube 2, and the outer wall of the anti-oxidation layer 701 is connected to the anti-oxidation layer 701, so that the anti-oxidation layer 701 can protect the hollow ventilation tube 2, and the inner wall of the anti-oxidation layer 701 is connected to the anti-corrosion layer 702, and the inner wall of the anti-corrosion layer 702 is connected to the anti-aging layer 703, so that the installation of the anti-corrosion layer 702 and the anti-aging layer 703 is convenient;

[0035] When the above arrangement is in use, the operator installs the hollow ventilation pipe 2 in an inverted L shape, which can facilitate the installation and suspension of the protective cover 1, and installs the sealing block 203 at the hollow ventilation pipe 2 and the wall installation hole to prevent mosquitoes from entering the kitchen through the installation hole. The anti-oxidation layer 701, the anti-corrosion layer 702 and the anti-aging layer 703 are installed in sequence on the inner wall of the hollow ventilation pipe 2 to isolate the hollow ventilation pipe 2 from direct reaction with humid air, and at the same time prevent the hollow ventilation pipe 2 from being corroded by humid air or water vapor, thereby increasing its service life.

[0036] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A fume exhaust ventilation hood, comprising a protective hood (1), a hollow ventilation pipe (2), a shutter (3), a lighting lamp (4) and a switch (5), wherein the fume exhaust ventilation hood is composed of the protective hood (1), the hollow ventilation pipe (2), the shutter (3), the lighting lamp (4) and the switch (5), wherein the upper side wall of the protective hood (1) is provided with the hollow ventilation pipe (2), the inner side wall of the protective hood (1) is provided with the shutter (3), the lower side wall of the protective hood (1) is provided with the lighting lamp (4), the outer side wall of the protective hood (1) is provided with the switch (5), the hollow ventilation pipe (2) is slidably connected to a first slider (201) through a slide groove of the lower side wall, the lower side wall of the first slider (201) is detachably fixedly connected to a limit block (202), and the outer side wall of the hollow ventilation pipe (2) is provided with a sealing block (203); characterized in that: The inner wall of the hollow ventilation pipe (2) is installed with a protective component (6), and the inner wall of the hollow ventilation pipe (2) is installed with a protection component (7); The inner side wall of the installation frame (601) of the protection component (6) is installed with a protection net (602), the left and right outer side walls of the installation frame (601) are both installed with a second sliding block (603), and the front side wall of the installation frame (601) is installed with a handle (604); The inner side wall of the anti-oxidation layer (701) of the protection component (7) is installed with an anti-corrosion layer (702), and the inner side wall of the anti-corrosion layer (702) is installed with an anti-aging layer (703).

2. The fume exhaust ventilation hood according to claim 1, characterized in that: The hollow ventilation pipe (2) is in an inverted L-shape, and the air inlet of the hollow ventilation pipe (2) is sealedly connected to the air outlet of the protective cover (1).

3. The fume exhaust ventilation hood according to claim 1, characterized in that: A second sliding block (603) is installed in the sliding groove of the inner wall of the hollow ventilation tube (2), and the hollow ventilation tube (2) is slidably connected to the second sliding block (603) via the sliding groove.

4. The oil fume exhaust ventilation hood according to claim 1, characterized in that: The second sliding block (603) is detachably fixedly connected to the outer side wall of the installation frame (601), the front side wall of the installation frame (601) is detachably fixedly connected to the handle (604), and a limit block (202) is provided on the lower side wall of the installation frame (601).

5. The oil fume exhaust ventilation hood according to claim 1, characterized in that: The inner side wall of the installation frame (601) is provided with an installation groove (6011), a protection net (602) is installed in the installation groove (6011) of the installation frame (601), and the installation frame (601) is closely connected to the protection net (602) through the installation groove (6011).

6. The oil fume exhaust ventilation hood according to claim 1, characterized in that: The inner wall of the hollow ventilation tube (2) is provided with an anti-oxidation layer (701), and the outer wall of the anti-oxidation layer (701) is in close contact with the anti-oxidation layer (701).

7. The oil fume exhaust ventilation hood according to claim 1, characterized in that: The inner side wall of the anti-oxidation layer (701) is bonded to the anti-corrosion layer (702), and the inner side wall of the anti-corrosion layer (702) is bonded to the anti-aging layer (703).