Range hood and double sound insulation structure thereof

Abstract

The utility model provides a range hood and a double sound insulation structure thereof. The range hood comprises a fan box, the volute frame is arranged in the fan box, and first sound absorption cotton is arranged between the volute frame and the fan box; and the volute is arranged in the volute frame, and second sound absorption cotton is arranged between the volute and the volute frame. Compared with the prior art, the sound absorption cotton is innovatively arranged between the volute and the volute frame and between the volute frame and the fan box, noise generated by the fan is reduced through the first sound absorption cotton and the second sound absorption cotton, the double sound insulation and mute effects are excellent, and the user experience is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the range hood, specifically relates to a range hood and double sound insulation structure thereof. BACKGROUND

[0002] As indispensable electrical equipment in the kitchen, the main function of the range hood is to suck away the oil fume generated in the cooking process, keep the kitchen air fresh, and significantly reduce the impact of the oil fume on the user's health. The fan of the range hood is embedded in the shell, in order to ensure sufficient power to suck away the oil fume, the power of the fan is generally large, which leads to a large noise in the working process and reduces the user experience. SUMMARY

[0003] In order to overcome the above technical defects, the utility model provides a range hood and double sound insulation structure thereof, which can solve the technical problem of large noise of the fan in the prior art.

[0004] The utility model is realized according to the following technical scheme:

[0005] The utility model provides a range hood and double sound insulation structure thereof, which comprises:

[0006] The fan box;

[0007] The volute frame is arranged in the fan box, and the first sound-absorbing cotton is arranged between the volute frame and the fan box;

[0008] The volute is arranged in the volute frame, and the second sound-absorbing cotton is arranged between the volute and the volute frame.

[0009] Compared with the prior art, the application innovatively arranges the sound-absorbing cotton between the volute and the volute frame and between the volute frame and the fan box, utilizes the first sound-absorbing cotton and the second sound-absorbing cotton to reduce the noise generated by the fan, and realizes double sound insulation, so that the mute effect is superior, and the user experience is effectively improved.

[0010] In an embodiment, the fan box comprises:

[0011] The shell;

[0012] The inner shell is provided with a plurality of first through holes; the accommodating cavity is arranged between the inner shell and the shell, the accommodating cavity is communicated with a plurality of first through holes, and the first sound-absorbing cotton is arranged in the accommodating cavity.

[0013] In an embodiment, the lower end of the inner shell is provided with a supporting portion, and the lower end of the first sound-absorbing cotton abuts against the supporting portion.

[0014] In an embodiment, the back side of the volute frame is provided with a first mounting part, which is connected with the inner shell;

[0015] The left and right sides of the volute frame are respectively provided with a second mounting part, which is connected with the inner shell.

[0016] In an embodiment, the back side of the inner shell is provided with a avoiding slot;

[0017] The back side of the volute is provided with a third mounting part, which is connected with the outer shell through the avoiding slot.

[0018] In an embodiment, the volute comprises an arc-shaped side plate, which is provided with a plurality of second through holes; the surface of the arc-shaped side plate is provided with the second sound-absorbing cotton, which covers the plurality of second through holes.

[0019] In an embodiment, the volute frame comprises:

[0020] a volute frame body, which is connected with the front side of the volute;

[0021] two split side plates, which are respectively arranged on the left and right sides of the lower side of the volute frame body, and abut against the second sound-absorbing cotton.

[0022] In an embodiment, the upper side of the two split side plates is provided with a hollow area, and the second sound-absorbing cotton abuts against the fan box through the hollow area.

[0023] In an embodiment, the lower side of the volute frame body is provided with an oil leakage hole, and the lower side of the volute is provided with an oil discharge hole;

[0024] An oil discharge cavity is arranged between the lower side of the volute frame body and the lower side of the volute, and the oil discharge cavity is in communication with the oil leakage hole and the oil discharge hole.

[0025] The utility model also provides a kind of range hood, it includes the double sound insulation structure as described above. BRIEF DESCRIPTION OF DRAWINGS

[0026] The specific embodiment of the utility model is further described in detail in combination with drawings, and wherein:

[0027] Figure 1 it is the perspective view of the double sound insulation structure of the utility model;

[0028] Figure 2 it is one of the exploded schematic view of the double sound insulation structure of the utility model;

[0029] Figure 3 it is the second exploded schematic view of the double sound insulation structure of the utility model;

[0030] Figure 4 is a sectional view of the double sound insulation structure of the utility model;

[0031] Figure 5 is a sectional view of the double sound insulation structure of the utility model.

[0032] Explanation of reference signs:

[0033] 10 fan box, 110 shell, 120 inner shell, 121 first through hole, 122 supporting part, 123 avoiding groove, 130 accommodating cavity, 20 volute support, 210 first mounting part, 220 second mounting part, 230 volute support main body, 231 oil leakage hole, 240 split side plate, 250 hollow area, 30 volute, 301 oil discharge hole, 310 third mounting part, 320 arc-shaped side plate, 321 second through hole, 40 first sound-absorbing cotton, 50 second sound-absorbing cotton DETAILED DESCRIPTION

[0034] The preferred embodiments of the utility model will be described below with reference to the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

[0035] In order to better illustrate the utility model, the utility model will be further described in detail below with reference to the drawings.

[0036] It should be clear that the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0037] The terms used in the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0038] The following description refers to the accompanying drawings. Unless otherwise noted, like elements in different drawings have the same or similar numbering. The following description of example embodiments is not meant to represent all embodiments consistent with the present application. Rather, they are simply examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first", "second", "third", etc., merely denote like objects unless otherwise noted, and are not necessarily used to describe a particular sequential or chronological order, nor are they used to indicate or imply relative importance. The specific meaning of the above terms in the present application can be understood according to the specific circumstances by those of ordinary skill in the art.

[0039] In addition, in the description of the present application, "a plurality of" means two or more, unless otherwise specified. The association relationship of the associated objects is described by "and / or", which means that there can be three relationships, for example, A and / or B can represent the three cases of A existing alone, A and B existing together, and B existing alone. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0040] In combination Figures 1 to 5 As shown in the drawings, the utility model provides a kind of range hood and its double sound insulation structure, it includes: fan case 10;Spiral case frame 20, it is set in the fan case 10, first sound-absorbing cotton 40 is equipped between the spiral case frame 20 with the fan case 10;Spiral case 30, it is set in the spiral case frame 20, second sound-absorbing cotton 50 is equipped between the spiral case 30 with the spiral case frame 20.

[0041] Specifically, fan is installed in spiral case 30, fan is electrified and works to generate noise, in the process of noise diffusion outward, the second sound-absorbing cotton 50 between the spiral case 30 with the spiral case frame 20 first carries out first sound-absorbing noise reduction to noise, to make noise weaken, then, the first sound-absorbing cotton 40 between the spiral case frame 20 with the fan case 10 can carry out second sound-absorbing noise reduction to weakened noise, by double noise reduction mode to process the noise generated by fan, reduce noise.

[0042] Compared with prior art, the utility model innovatively sets sound-absorbing cotton between the spiral case 30 with the spiral case frame 20 and between the spiral case frame 20 with the fan case 10, utilizes the first sound-absorbing cotton 40 and second sound-absorbing cotton 50 to carry out noise reduction to the noise generated by fan, and double sound insulation, and the effect of silence is superior, effectively improves user experience.

[0043] In the embodiment, the fan box 10 comprises: an outer shell 110; an inner shell 120 provided with a plurality of first through holes 121; a containing cavity 130 is arranged between the outer shell 110 and the inner shell 120, the containing cavity 130 is communicated with the plurality of first through holes 121, and the first sound-absorbing cotton 40 is arranged in the containing cavity 130. In the embodiment, the first sound-absorbing cotton 40 is fixed by the containing cavity 130 formed between the outer shell 110 and the inner shell 120. The noise from the fan enters the containing cavity 130 through the first through holes 121, and the first sound-absorbing cotton 40 absorbs the noise.

[0044] Further, the lower end of the inner shell 120 is provided with a supporting portion 122, the supporting portion 122 abuts against the lower end of the first sound-absorbing cotton 40, and the first sound-absorbing cotton 40 is supported by the supporting portion 122.

[0045] Further, the rear side of the volute bracket 20 is provided with a first mounting portion 210, the first mounting portion 210 is connected with the inner shell 120, the rear end of the volute bracket 20 is fixed on the rear side of the inner shell 120 by the first mounting portion 210; the left and right sides of the volute bracket 20 are respectively provided with second mounting portions 220, the second mounting portions 220 are connected with the inner shell 120, and the left and right ends of the volute bracket 20 are fixed on the inner shell 120 by the second mounting portions 220. Preferably, the first mounting portion 210 and the second mounting portion 220 can be connected and fixed with the left and right sides of the inner shell 120 by bolts.

[0046] Further, the rear side of the volute bracket 20 is provided with a first mounting portion 210, the first mounting portion 210 is connected with the inner shell 120, the rear end of the volute bracket 20 is fixed on the rear side of the inner shell 120 by the first mounting portion 210; the left and right sides of the volute bracket 20 are respectively provided with second mounting portions 220, the second mounting portions 220 are connected with the inner shell 120, and the left and right ends of the volute bracket 20 are fixed on the inner shell 120 by the second mounting portions 220. Preferably, the first mounting portion 210 and the second mounting portion 220 can be connected and fixed with the left and right sides of the inner shell 120 by bolts.

[0047] In the embodiment, the volute 30 comprises an arc-shaped side plate 320, the arc-shaped side plate 320 is provided with a plurality of second through holes 321; the surface of the arc-shaped side plate 320 is provided with the second sound-absorbing cotton 50, the second sound-absorbing cotton 50 covers the plurality of second through holes 321, the noise from the fan contacts the second sound-absorbing cotton 50 through the second through holes 321, and the second sound-absorbing cotton 50 absorbs the noise. Preferably, the second sound-absorbing cotton 50 can be connected with the arc-shaped side plate 320 by glue, so as to strengthen the fixing effect.

[0048] Further, the volute frame 20 comprises a volute frame body 230 connected with the front side of the volute 30, two split side plates 240 respectively arranged on the left and right sides of the lower side of the volute frame body 230, and the two split side plates 240 abut against the second sound-absorbing cotton 50, so that the second sound-absorbing cotton 50 is wrapped by the two split side plates 240 and is prevented from being exposed.

[0049] Further, the upper side of the two split side plates 240 is provided with a hollow area 250, the second sound-absorbing cotton 50 abuts against the fan box 10 through the hollow area 250, and the inner side of the fan box 10 abuts against the second sound-absorbing cotton 50.

[0050] Further, the lower side of the volute frame body 230 is provided with an oil leakage hole 231, the lower side of the volute 30 is provided with an oil discharge hole 301, and an oil discharge cavity is arranged between the lower side of the volute frame body 230 and the lower side of the volute 30, the oil discharge cavity is in communication with the oil leakage hole 231 and the oil discharge hole 301, so that after the oil of the fan falls to the volute 30, the oil is discharged to the oil collector through the oil discharge hole 301, the oil discharge cavity and the oil leakage hole 231.

[0051] The utility model also provides a kind of range hood, it includes the double sound insulation structure as described above.

[0052] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also change and modify the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the utility model should also fall within the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of explanation and do not constitute any limitation on the utility model.

Claims

1. A double sound insulation structure, characterized in that, include: Fan box; A volute frame is disposed inside the fan box, and a first sound-absorbing cotton is provided between the volute frame and the fan box; A volute is disposed within the volute frame, and a second sound-absorbing cotton is provided between the volute and the volute frame.

2. The double sound insulation structure according to claim 1, characterized in that, The fan box includes: shell; The inner shell has multiple first through holes; a receiving cavity is provided between the inner shell and the outer shell, the receiving cavity is connected to the multiple first through holes, and the receiving cavity is provided with the first sound-absorbing cotton.

3. The double sound insulation structure according to claim 2, characterized in that: The lower end of the inner shell is provided with a support portion, which abuts against the lower end of the first sound-absorbing cotton.

4. The double sound insulation structure according to claim 2, characterized in that: The rear side of the volute frame is provided with a first mounting part, which is connected to the inner shell; The volute frame is provided with a second mounting part on the left and right sides, and the second mounting part is connected to the inner shell.

5. The double sound insulation structure according to claim 2 or 4, characterized in that: The rear side of the inner shell is provided with a clearance groove; The rear side of the volute is provided with a third mounting part, which passes through the clearance groove and connects to the outer shell.

6. The double sound insulation structure according to claim 1, characterized in that: The volute includes an arc-shaped side plate, which has a plurality of second through holes; the surface of the arc-shaped side plate is provided with second sound-absorbing cotton, which covers the plurality of second through holes.

7. The double sound insulation structure according to claim 6, characterized in that, The volute frame includes: The main body of the volute frame is connected to the front side of the volute. Two side panels are respectively disposed on the left and right sides of the lower side of the volute frame body, and the two side panels abut against the second sound-absorbing cotton.

8. The double sound insulation structure according to claim 7, characterized in that: The two side panels have a hollowed-out area above them, through which the second sound-absorbing cotton abuts against the fan box.

9. The double sound insulation structure according to claim 7, characterized in that: The lower side of the volute frame body is provided with an oil leakage hole, and the lower side of the volute is provided with an oil drain hole; An oil drain chamber is provided between the lower side of the main body of the volute frame and the lower side of the volute, and the oil drain chamber is connected to the oil leakage hole and the oil drain hole.

10. A range hood, characterized in that, Includes the double sound insulation structure as described in any one of claims 1-9.

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