Noise-reduction mute type range hood

Abstract

The utility model discloses a noise-reduction mute type range hood. A mounting partition plate is arranged in an air cabinet; the installation partition plate divides the air cabinet into a front sound insulation cavity and a rear shell cavity in the front-back direction. A volute of the fan assembly is installed on the installation partition plate and located in the rear side shell cavity. The lower portion of the installation partition plate is obliquely arranged backwards, and an air inlet of the fan assembly is obliquely arranged downwards. According to the utility model, the fan assembly works in the rear side shell cavity, and the generated sound is transmitted forwards after penetrating through the front side sound insulation cavity, so that the noise can be reduced; moreover, the lower portion of the installation partition plate is obliquely arranged, and an air inlet of the fan assembly is perpendicular to the installation partition plate and obliquely faces the front side sound insulation cavity and the filter grid body. Smoke exhaust airflow can be sucked into the volute without right-angle turning and can be sucked into the volute in a small-angle lateral inclined mode, the smoke exhaust airflow is smoother, and the vibration sound generated when the airflow collides with the volute and the draught fan is reduced; moreover, the mounting partition plate which is obliquely arranged can intercept the oil fume in the sound insulation cavity on the front side, and meanwhile oil dirt formed by adhesion of the mounting partition plate can flow downwards more smoothly, drop and be discharged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood field, especially a range hood with noise reduction and silence. BACKGROUND

[0002] The range hood filtered by the filter grid can effectively retain oil and grease to reduce the oil and grease adhered to the inner wall of the shell and the wind wheel. For example, the patent number CN221526707U discloses a range hood with a detachable filter grid structure. Since the filter grid is arranged, it needs a larger negative pressure suction force to effectively suck air from the front side of the range hood. This requires a larger power fan to be matched for use, so the noise of the range hood is more obvious during actual operation. Therefore, further improvement is needed. SUMMARY

[0003] The utility model discloses at least one of the technical problems existing in the prior art. To this end, the utility model provides a range hood with noise reduction and silence.

[0004] The technical scheme adopted by one embodiment of the utility model to solve the technical problem is as follows: a range hood with noise reduction and silence, comprising a machine box and a wind cabinet; the machine box is provided with an oil fume suction cavity, the wind cabinet is arranged above the machine box and is provided with a fan assembly; a filter grid main body is arranged below the wind cabinet;

[0005] A mounting partition plate is arranged in the wind cabinet; the mounting partition plate divides the front and back of the wind cabinet into a front sound insulation cavity and a rear shell cavity; the volute of the fan assembly is mounted on the mounting partition plate and located in the rear shell cavity; the lower side of the mounting partition plate is inclined rearward, and the air inlet of the fan assembly is arranged downwardly.

[0006] Optionally, the filter grid main body comprises a filter mesh layer group; the filter mesh layer group comprises one or more filter layers such as an activated carbon filter mesh layer, a non-woven fabric layer and a honeycomb activated carbon layer.

[0007] Optionally, the filter mesh layer group is fixed in a wave-shaped structure by steel wires.

[0008] Optionally, a horizontal partition plate is formed on the lower side of the mounting partition plate by sheet metal stamping; the horizontal partition plate is connected to the back of the wind cabinet; and the horizontal partition plate is provided with a plurality of air holes.

[0009] Optionally, a mounting frame and a filter cover are arranged below the wind cabinet; a filter mounting hole is arranged on one side of the wind cabinet; the filter grid main body is slidably mounted on the mounting frame and can be pulled out of or put into the mounting frame through the filter mounting hole; and the filter cover is detachably arranged on the wind cabinet and can cover the filter mounting hole.

[0010] Optionally, the filter mounting hole is arranged on the front side below the air cabinet.

[0011] Optionally, a cover mounting rack is arranged below the air cabinet, and the cover mounting rack is provided with a plum-blossom buckle; the filter cover is provided with an expansion plug, and the expansion plug can be pressed into the plum-blossom buckle.

[0012] Optionally, the oil fume suction cavity is provided with an oil fume separator; the oil fume separator, the filter grid body and the fan assembly are sequentially and spacedly arranged from bottom to top.

[0013] Optionally, a glass observation window is arranged on the front side of the air cabinet.

[0014] The beneficial effects of the utility model are as follows: the installation partition plate is arranged in the air cabinet, the installation partition plate divides the air cabinet cavity into the front side sound insulation cavity and the rear side shell cavity, the volute of the fan assembly is arranged on the rear side of the installation partition plate and located in the rear side shell cavity, the sound generated by the fan assembly working in the rear side shell cavity needs to penetrate the front side sound insulation cavity and then is transmitted to the front, so that the noise can be reduced; in addition, the installation partition plate is arranged in an inclined manner, the air inlet of the fan assembly is arranged vertically to the installation partition plate and is inclined to the front side sound insulation cavity and the filter grid body; the exhaust gas flow does not need to be bent at right angles to be sucked into the volute, but can be laterally and obliquely sucked into the volute at a small angle, so that the exhaust gas flow is more smooth, the collision and shaking sound of the airflow with the volute and the fan are reduced; in addition, the installation partition plate arranged in an inclined manner can retain the oil fume in the front side sound insulation cavity, and the oil dirt adhered to the installation partition plate can also flow and drop downward and be discharged more smoothly.

[0015] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the detailed description is made as follows in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above-mentioned and / or additional aspects and advantages of the utility model will become obvious and easy to understand from the description of the embodiments in combination with the following drawings, in which:

[0017] Figure 1 It is a structural schematic view of the utility model range hood;

[0018] Figure 2 It is Figure 1 It is an exploded schematic view of the utility model range hood.

[0019] Explanation of main element symbols:

[0020] 10, case; 20, air cabinet; 21, mounting partition; 211, transverse partition; 212, air hole; 22, front side sound insulation cavity; 23, rear side shell cavity; 24, filter mounting hole; 25, cover mounting frame; 251, key; 26, glass observation window; 30, fan assembly; 31, volute; 40, filter grid main body; 41, filter screen layer group; 42, mounting frame; 43, filter cover; 50, oil fume separator. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] In the description of the utility model, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described as first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0023] In the description of the utility model, it is understood that the position description, such as the position or location relationship indicated by up, down, front, back, left, right, etc. is based on the position or location relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as the limitation of the utility model.

[0024] In the utility model, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or can be detachably connected, or can be integrally formed; can be mechanically connected; can be the communication or interaction relationship between two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0025] Embodiment

[0026] Reference Figure 1 And Figure 2 The utility model proposes a kind of noise reduction mute type range hood, including case 10 and air cabinet 20;Case 10 is provided with suction oil smoke cavity, air cabinet 20 is set to the top of case 10, is provided with fan assembly 30;The lower portion of air cabinet 20 is provided with filter grid main body 40;

[0027] The installation partition plate 21 is arranged in the air cabinet 20, and the air cabinet 20 is divided into the front side sound insulation cavity 22 and the rear side shell cavity 23 by the installation partition plate 21; the volute 31 of the fan assembly 30 is arranged on the installation partition plate 21 and located in the rear side shell cavity 23; the lower part of the installation partition plate 21 is arranged in an inclined manner towards the rear, and the air inlet of the fan assembly 30 is arranged in an inclined manner towards the lower part.

[0028] In the utility model, the installation partition plate 21 is arranged in the air cabinet 20, and the air cabinet 20 is divided into the front side sound insulation cavity 22 and the rear side shell cavity 23 by the installation partition plate 21; the volute 31 of the fan assembly 30 is arranged on the installation partition plate 21 and located in the rear side shell cavity 23; the lower part of the installation partition plate 21 is arranged in an inclined manner towards the rear, and the air inlet of the fan assembly 30 is arranged in an inclined manner towards the lower part.

[0029] In the embodiment, the filter grid body 40 comprises a filter screen layer group 41; the filter screen layer group 41 comprises one or more filter layers of an activated carbon filter screen layer, a non-woven fabric layer and a honeycomb activated carbon layer.

[0030] Specifically, the filter screen layer group 41 is fixed in a wave type structure by steel wires. The wave type filter screen layer structure can expand the contact area of smoke and the filter screen layer; at the same time, the filter screen layer structure can also reduce the shaking of smoke, slow down the airflow abnormal sound, and achieve the effect of reducing noise.

[0031] In the embodiment, in order to align the lower end of the installation partition plate 21 with the air cabinet 20, the lower side of the installation partition plate 21 is formed by stamping a metal plate and is provided with a horizontal partition plate 211; the horizontal partition plate 211 is connected to the back of the air cabinet 20; and the horizontal partition plate 211 is provided with a plurality of air holes 212. The plurality of air holes 212 of the horizontal partition plate 211 can make part of the smoke enter the rear side shell cavity 23 and be sucked into the volute 31 from the air inlet at the back of the volute 31, balance the suction conditions of the airflow at the front and back of the volute 31, make the fan assembly 30 operate more stably, and further reduce the working noise.

[0032] In the embodiment, the lower part of the air cabinet 20 is provided with a mounting frame 42 and a filter cover 43; one side of the air cabinet 20 is provided with a filter mounting hole 24; the filter grid body 40 is slidably mounted on the mounting frame 42 and can be pulled out of or put into the mounting frame 42 through the filter mounting hole 24; the filter cover 43 is detachably arranged on the air cabinet 20 and can cover the filter mounting hole 24. The filter grid body is slidably mounted on the mounting frame 42 in a fixed-free manner and can be put into or taken out of the filter mounting hole 24, and the filter cover 43 arranged on the air cabinet 20 in a detachable manner can shield the filter mounting hole 24. In this way, the appearance of the air cabinet 20 can be kept clean and tidy, and the filter grid body 40 can be conveniently dismounted from the filter mounting hole 24 for replacement or cleaning.

[0033] Specifically, the filter mounting hole 24 is arranged on the front side of the lower part of the air cabinet 20. The filter grid body 40 can be conveniently dismounted from the front side of the air cabinet 20.

[0034] Further, in order to conveniently align the filter mounting hole 24 of the air cabinet 20 with the filter cover 43, the lower part of the air cabinet 20 is provided with a cover mounting frame 25, the cover mounting frame 25 is provided with a plum-blossom buckle 251, and the filter cover 43 is provided with an expansion plug which can be pressed into the plum-blossom buckle 251. The expansion plug is elastic, and a user only needs to press it to press the filter cover 43 into the filter mounting hole 24; when dismounting, the filter cover 43 is lifted from both sides, and the expansion plug is taken out.

[0035] In the embodiment, the oil fume separating cavity is provided with an oil fume separator 50; the oil fume separator 50, the filter grid body 40 and the fan assembly 30 are sequentially and spacedly arranged from bottom to top. The multi-layer oil fume separating and filtering structure can ensure the separating and filtering effect of oil fume.

[0036] In the embodiment, the front side of the air cabinet 20 is provided with a glass observation window 26. The observation glass window can observe the inside of the front side sound insulation cavity 22 and intuitively observe the oil accumulation amount of the hair styling air cabinet 20 and the filter grid body 40, so that the filter grid body 40 can be replaced in time.

[0037] Of course, the present application is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or replacements without departing from the spirit of the present application. These equivalent modifications and replacements are all included in the scope defined by the claims of the present application.

Claims

1. A noise reduction silent type range hood, comprising a machine box (10) and a wind cabinet (20); the machine box (10) is provided with a smoke suction cavity, and the wind cabinet (20) is arranged above the machine box (10) and is provided with a fan assembly (30); a filter grid main body (40) is arranged below the wind cabinet (20); characterized in that ； The air cabinet (20) is provided with a mounting partition plate (21); the mounting partition plate (21) divides the air cabinet (20) into a front sound insulation cavity (22) and a rear shell cavity (23); the volute (31) of the fan assembly (30) is mounted on the mounting partition plate (21) and located in the rear shell cavity (23); the mounting partition plate (21) is inclined downwardly; and the air inlet of the fan assembly (30) is arranged downwardly.

2. The noise reducing silent range hood according to claim 1, characterized in that: The filter grid body (40) comprises a filter screen layer group (41); the filter screen layer group (41) comprises one or more filter layers of an activated carbon filter screen layer, a non-woven fabric layer and a honeycomb activated carbon layer.

3. The noise reducing, silent type range hood according to claim 2, characterized in that: The filter screen layer group (41) is fixed in a wave-shaped structure by steel wires.

4. The noise reducing silent range hood according to claim 1, characterized in that: The lower side of the mounting partition plate (21) is formed with a transverse partition plate (211) by sheet metal stamping; the transverse partition plate (211) is connected to the back of the air cabinet (20); and the transverse partition plate (211) is provided with a plurality of air holes (212).

5. The noise reducing silent range hood according to claim 1, characterized in that: The lower side of the air cabinet (20) is provided with a mounting frame (42) and a filter cover (43); one side of the air cabinet (20) is provided with a filter mounting hole (24); the filter grid body (40) is slidably mounted on the mounting frame (42) and can be pulled out of or put into the mounting frame (42) through the filter mounting hole (24); and the filter cover (43) is detachably arranged on the air cabinet (20) and can cover the filter mounting hole (24).

6. The noise reducing silent range hood according to claim 5, characterized in that: The filter mounting hole (24) is arranged on the front side of the lower side of the air cabinet (20).

7. The noise reducing silent range hood according to claim 5, characterized in that: The lower side of the air cabinet (20) is provided with a cover mounting frame (25), the cover mounting frame (25) is provided with a key (251); the filter cover (43) is provided with an expansion plug, and the expansion plug can be pressed into the key (251).

8. The noise reducing silent range hood according to claim 1, characterized in that: The oil fume suction cavity is provided with an oil fume separator (50); the oil fume separator (50), the filter grid body (40) and the fan assembly (30) are sequentially and spacedly arranged from bottom to top.

9. The noise reducing silent range hood according to claim 1, characterized in that: The front side of the air cabinet (20) is provided with a glass observation window (26).

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