CN217464571U - Fan case and range hood - Google Patents
Fan case and range hood Download PDFInfo
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- CN217464571U CN217464571U CN202220984244.8U CN202220984244U CN217464571U CN 217464571 U CN217464571 U CN 217464571U CN 202220984244 U CN202220984244 U CN 202220984244U CN 217464571 U CN217464571 U CN 217464571U
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- air inlet
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Abstract
The utility model provides a fan machine case and range hood, fan machine case includes: a housing; an inner shell disposed within the outer shell, the inner shell including a first opening and a second opening; a blower volute disposed within the inner shell; the fan volute comprises a first air inlet and an air outlet; the first air inlet is arranged corresponding to the first opening, and the air outlet is arranged corresponding to the second opening. The utility model discloses in, the flue gas warp the first opening of inner shell gets into first air intake, flows through fan spiral case inside back warp air outlet and second opening discharge realize the emission of flue gas, the utility model discloses a will fan spiral case sets up in the inner shell, will the inner shell sets up in the shell for the fan is simultaneously by in the fan spiral case the inner shell and including the shell parcel, effectively reduce the outside transmission of noise of fan during operation.
Description
Technical Field
The utility model relates to a range hood's technical field, in particular to fan machine case and range hood.
Background
The range hood has become the first kitchen household appliance of modern family, along with the pursuit of people to healthy life, in the use, except paying attention to the effect that the range hood inhales the oil smoke, people pay more and more attention to the influence of range hood noise.
The existing range hood generates negative pressure through the high-speed rotation of centrifugal wind to realize the work of oil smoke extraction, and the noise generated by airflow vortex caused by the limited space of a centrifugal fan in a fan case is larger, so the noise is large during the work, and the range hood is not practical in certain fields with requirements on the noise. Meanwhile, the noise brings great disturbance to people and has important significance in inhibiting the noise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first aim at provides a fan machine case and range hood, aims at solving the big problem of range hood during operation noise.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a fan machine case, include: a housing; an inner shell disposed within the outer shell, the inner shell including a first opening and a second opening; a blower volute disposed within the inner shell; the fan volute comprises a first air inlet and an air outlet; the first air inlet is arranged corresponding to the first opening, and the air outlet is arranged corresponding to the second opening.
Compared with the prior art, the utility model discloses in, the flue gas warp the first opening of inner shell gets into first air intake, flows through the inside back warp of fan spiral case air outlet and second opening discharge realize the emission of flue gas, the utility model discloses a will the fan spiral case sets up in the inner shell, will the inner shell sets up in the shell for the fan is simultaneously by the fan spiral case the inner shell and including the shell parcel, effectively reduce the outside transmission of noise of fan during operation.
In a preferred embodiment, the blower chassis further includes a first air inlet chamber disposed between the inner casing and the outer casing, the first air inlet chamber being in communication with the first opening; the second air inlet cavity is arranged between the fan volute and the inner shell, and the second air inlet cavity is communicated with the fan volute; the first air inlet cavity and the second air inlet cavity are respectively arranged on two opposite sides of the fan volute. In a preferred embodiment, the inner housing further comprises a third opening disposed opposite the first opening; the fan volute also comprises a second air inlet which is arranged corresponding to the first air inlet; the third opening is arranged corresponding to the air inlet, and the air inlet is communicated with the second air inlet cavity.
In a preferred embodiment, the inner casing further comprises an air inlet panel, the air inlet panel is provided with a plurality of groove-shaped holes, and the groove-shaped holes are communicated with the second air inlet cavity.
In a preferred embodiment, the air inlet panel comprises a first air inlet panel, and the first air inlet panel is arranged at the bottom of the inner shell; the first air inlet panel comprises a flow guide portion and a first air inlet portion, the flow guide portion is connected with the first air inlet portion, the second air inlet is formed in the first air inlet portion, the cross section of the flow guide portion is in an inverted eight shape, and a first air inlet cavity and a second air inlet cavity are formed in two sides of the flow guide portion.
In a preferred embodiment, the air inlet panel further comprises a second air inlet panel, and the second air inlet panel is obliquely arranged on two sides of the inner shell and connected with the first air inlet panel.
In a preferred embodiment, the blower housing further comprises a protective casing disposed on top of the inner casing for protecting the electronic control element.
In a preferred embodiment, the blower chassis further comprises a transparent glass plate, the front surface of the housing has an open opening, and the transparent glass plate is detachably disposed on the front surface of the housing and closes the open opening.
In a preferred embodiment, the blower housing further comprises a hook disposed on the housing.
The utility model also provides a range hood, it includes as above arbitrary fan machine case.
For a better understanding and practice, the present invention is described in detail in the following figures in conjunction with the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is an exploded schematic view of a blower case of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a schematic structural diagram of the inner shell and the protective shell of the present invention.
Description of the reference numerals:
100-outer shell, 200-inner shell, 210-first opening, 220-second opening, 230-third opening, 240-air inlet panel, 250-slot hole, 241-first air inlet panel, 2411-guide part, 2412-first air inlet part, 242-second air inlet panel, 300-fan volute, 310-first air inlet, 320-air outlet, 330-second air inlet, 400-first air inlet cavity, 500-second air inlet cavity, 600-protective shell, 700-transparent glass plate, 800-hook.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
Particularly, it is shown in combination with fig. 1 to 4, the utility model provides a fan machine case, fan machine case includes: a housing 100; an inner case 200 disposed within the outer case 100, the inner case 200 including a first opening 210 and a second opening 220; a blower volute 300 disposed within the inner casing 200; the blower volute 300 comprises a first air inlet 310 and an air outlet 320; the first air inlet 310 is disposed corresponding to the first opening 210, and the air outlet 320 is disposed corresponding to the second opening 220.
Compared with the prior art, the utility model discloses in, the flue gas warp the first opening 210 of inner shell 200 gets into first air intake 310, flows through fan spiral case 300 inside back warp air outlet 320 and second opening 220 discharge realize the emission of flue gas, the utility model discloses a will fan spiral case 300 sets up in the inner shell 200, will the inner shell 200 sets up in the shell 100 for the fan is by simultaneously the fan spiral case the inner shell and including the shell parcel, effectively reduce the outside transmission of noise of fan during operation.
Specifically, the bottom of the housing 100 is an opening (not shown), and the smoke enters the blower case through the opening at the bottom of the housing 100.
In this embodiment, the blower chassis further includes a first air inlet chamber 400 disposed between the inner casing 200 and the outer casing 100, wherein the first air inlet chamber 400 is communicated with the first opening 210; a second air inlet chamber 500 disposed between the blower scroll 300 and the inner casing 200, the second air inlet chamber 500 being in communication with the blower scroll 300. Wherein the first air inlet chamber 400 and the second air inlet chamber 500 are respectively disposed at two opposite sides of the blower volute 300. The utility model discloses in, first air inlet chamber 400 and second air inlet chamber 500 set up in the relative both sides of fan spiral case 300, and compact structure just improves quick-witted incasement space's utilization ratio, and inside the flue gas can get into fan spiral case 300 through first air inlet chamber 400 and second air inlet chamber 500 simultaneously in addition, effectively improved the emission efficiency of flue gas.
In this embodiment, the inner housing 200 further includes a third opening 230, which is opposite to the first opening 210; the blower volute 300 further includes a second air inlet 330, which is disposed corresponding to the first air inlet 310; the third opening 230 is disposed corresponding to the air inlet, and the air inlet is communicated with the second air inlet chamber 500. The flue gas enters the second air inlet chamber 500 inside the inner casing 200 through the second air inlet 330, and then enters the blower volute 300 through the second air inlet 330, which provides the basic conditions for the flue gas to enter the blower volute 300 through the second air inlet chamber 500.
In this embodiment, the inner casing 200 further includes an air inlet panel 240, a plurality of slot holes 250 are formed in the air inlet panel 240, and the slot holes 250 are communicated with the second air inlet cavity 500. The flue gas enters the inner shell 200 through the plurality of slotted holes 250 on the air inlet panel 240, and then enters the blower volute 300 through the second air inlet chamber 500, so as to provide basic conditions for the flue gas to enter the blower volute 300 through the second air inlet chamber 500.
Further, the air inlet panel 240 comprises a first air inlet panel 241, and the first air inlet panel 241 is arranged at the bottom of the inner shell 200; the first air inlet panel 241 includes a flow guide portion 2411 and a first air inlet portion 2412, the flow guide portion 2411 is connected to the first air inlet portion 2412, the second air inlet 330 is disposed on the first air inlet portion 2412, the cross section of the flow guide portion 2411 is inverted eight-shaped, and the first air inlet cavity 400 and the second air inlet cavity 500 are disposed on two sides of the flow guide portion 2411. The cross section of the flow guide part 2411 is inverted eight-shaped, so that the flue gas can be better guided to the first air inlet cavity 400 and the first air inlet part 2412, the obstruction to the flow of the flue gas is reduced, and the time for the flue gas to enter the fan volute 300 is shortened.
Further, the air inlet panel 240 further includes a second air inlet panel 242, and the second air inlet panel 242 is obliquely disposed at two sides of the inner case 200 and connected to the first air inlet panel 241. The flue gas can also enter the second air inlet cavity 500 through the groove-shaped holes 250 on the second air inlet panel 242, and the second air inlet panel 242 is obliquely arranged, so that the air inlet area can be increased, and the flow of the flue gas can be better guided. In addition, tests prove that the second air inlet panel 242 is obliquely arranged, so that noise caused by smoke flowing is reduced.
In this embodiment, the blower chassis further includes a protective casing 600 disposed on top of the inner casing 200 for protecting the electronic control element. The smoke has oil mist and vapor, and fan machine case is during operation, and partial smoke escapes to the inner shell 200 top, and electric control element installs on the inner shell 200 top, through setting up protective housing 600, can protect electric control element from receiving the influence of smoke.
In this embodiment, fan machine case still includes transparent glass board 700, the preceding terminal surface of shell 100 has uncovered mouth, transparent glass board 700 detachably sets up on the preceding terminal surface of shell 100, and will open the mouth and seal to make the user see through transparent glass board 700 and see the behavior of fan, the user can just can clear up the fan with transparent glass board 700 dismantlement according to the condition of fan surface greasy dirt, clearance work convenient and fast.
In this embodiment, the blower housing further includes a hook 800 disposed on the casing 100. The hook 800 is used for hanging the fan case and the range hood on a wall.
The utility model also provides a range hood, it includes as above arbitrary fan machine case.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. A fan case, comprising:
a housing;
an inner shell disposed within the outer shell, the inner shell including a first opening and a second opening;
a blower volute disposed within the inner shell; the fan volute comprises a first air inlet and an air outlet;
the first air inlet is arranged corresponding to the first opening, and the air outlet is arranged corresponding to the second opening.
2. The blower chassis of claim 1, further comprising:
the first air inlet cavity is arranged between the inner shell and the outer shell and communicated with the first opening;
the second air inlet cavity is arranged between the fan volute and the inner shell, and the second air inlet cavity is communicated with the fan volute;
the first air inlet cavity and the second air inlet cavity are respectively arranged on two opposite sides of the fan volute.
3. The blower chassis of claim 2, wherein:
the inner shell also comprises a third opening which is arranged opposite to the first opening;
the fan volute also comprises a second air inlet which is arranged corresponding to the first air inlet;
the third opening is arranged corresponding to the second air inlet, and the air inlet is communicated with the second air inlet cavity.
4. The blower chassis of claim 3, wherein:
the inner shell still includes the air inlet panel, be equipped with a plurality of groove type holes on the air inlet panel, it is a plurality of groove type hole with the second air inlet chamber is linked together.
5. The blower chassis of claim 4, wherein:
the air inlet panel comprises a first air inlet panel, and the first air inlet panel is arranged at the bottom of the inner shell;
the first air inlet panel comprises a flow guide portion and a first air inlet portion, the flow guide portion is connected with the first air inlet portion, the second air inlet is formed in the first air inlet portion, the cross section of the flow guide portion is in an inverted eight shape, and a first air inlet cavity and a second air inlet cavity are formed in two sides of the flow guide portion.
6. The blower chassis of claim 5, wherein:
the air inlet panel still includes the second air inlet panel, the slope of second air inlet panel sets up the both sides of inner shell, and with first air inlet panel is connected.
7. The blower chassis of claim 1, wherein:
the fan case further comprises a protective shell which is arranged on the top of the inner shell and used for protecting the electric control element.
8. The blower chassis of claim 1, wherein:
the fan case further comprises a transparent glass plate, an open opening is formed in the front end face of the shell, and the transparent glass plate is detachably arranged on the front end face of the shell and seals the open opening.
9. The blower chassis of claim 1, wherein:
the fan case further comprises a hook which is arranged on the shell.
10. A range hood comprising a blower housing according to claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984244.8U CN217464571U (en) | 2022-04-26 | 2022-04-26 | Fan case and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984244.8U CN217464571U (en) | 2022-04-26 | 2022-04-26 | Fan case and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217464571U true CN217464571U (en) | 2022-09-20 |
Family
ID=83269705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220984244.8U Active CN217464571U (en) | 2022-04-26 | 2022-04-26 | Fan case and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217464571U (en) |
-
2022
- 2022-04-26 CN CN202220984244.8U patent/CN217464571U/en active Active
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