CN105157083A - Volute of extractor hood - Google Patents
Volute of extractor hood Download PDFInfo
- Publication number
- CN105157083A CN105157083A CN201510639953.7A CN201510639953A CN105157083A CN 105157083 A CN105157083 A CN 105157083A CN 201510639953 A CN201510639953 A CN 201510639953A CN 105157083 A CN105157083 A CN 105157083A
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- air outlet
- snail tongue
- wind deflector
- air
- range hood
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Abstract
A volute of an extractor hood comprises an annular volute body, an air outlet located in one side of the top of the volute body, and an air outlet hood body located outside the air outlet. The volute is characterized in that the section of the air outlet hood body is in a circular shape, air deflectors and volute tongues are arranged on the periphery of the inner side of the air outlet, and a circular outlet matched with the section of the air outlet hood body is formed through the air outlet via the air deflectors and the volute tongues. The volute of the extractor hood is simple in structure, easy to install and maintain and low in cost. The overall height and size of the extractor hood are reduced, and the volute can be installed conveniently even in a relatively small kitchen.
Description
Technical field
The present invention relates to a kind of range hood.
Background technology
The blower fan system of present most of lampblack absorber all adopts centrifugal multiblade blower fan, the outlet of the spiral case of this blower fan mostly is rectangle or parallelogram, and the smoke exhaust pipe of lampblack absorber is mostly circular, this just needs between spiral case and smoke exhaust pipe, to increase by one by square to circular transition structure, lampblack absorber disclosed in Chinese patent CN104454627A and blower fan system thereof, air duct base and air-out cover body comprise one from square-section the part to circular cross-section transition.Such structure adds complete machine height and the volume of lampblack absorber, causes the phenomenon cannot installed in the environment that part floor floor height is lower.
Summary of the invention
Technical problem to be solved by this invention is to provide little, the highly low range hood of a kind of overall volume.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of range hood, comprise the spiral case body of annular, be positioned at the air outlet of spiral case bodies top side, and the air-out cover body be positioned at outside air outlet, it is characterized in that: the cross section of described air-out cover body is for circular, the inner peripheral of described air outlet is provided with wind deflector and snail tongue, and described wind deflector and snail tongue make this air outlet form the outlet of the circle matched with the cross section of this air-out cover body.
Preferably, described spiral case body comprises front face and rear surface, and the ring wall of periphery around forward and backward wall, and the side, top of ring wall is provided with outlet(discharge) flange, and outlet(discharge) flange forms air outlet.
As one of them embodiment of the present invention, the inner peripheral of described air outlet is provided with the wind deflector that a circle radially extends, and wherein the below of the wind deflector of side is close to and is arranged snail tongue.
In order to reduce noise and wind-guiding better, the front end face of described snail tongue is the arc matched with the periphery of wind deflector, and the bottom surface of described snail tongue is lower convex curved surface.
As another embodiment of the present invention, the side of the inner peripheral of described air outlet is provided with wind deflector, and opposite side is provided with snail tongue.
Preferably, described wind deflector extends along one end of ring wall to spiral case body interior, the arc matched with the cross section of this air-out cover body is formed on the top of described wind deflector, and described snail tongue is arranged on the other end of ring wall, and has the front end face of indent arc and lower convex bottom surface.
For the ease of installation and removal, described snail tongue is symmetrical and two pieces of splicing, and the lateral surface of snail tongue and the front face of spiral case body and rear surface are mutually permanently connected.
As another embodiment of the present invention, described air outlet is provided with wind guide component, described wind guide component comprises the top planes be fixedly connected with outlet(discharge) flange, described top planes has the opening of the circle matched with the cross section of air-out cover body, the edge of described opening extends and is provided with described wind deflector and snail tongue inside described spiral case body, and described wind deflector, snail tongue and top planes are one-body molded.
Compared with prior art, the invention has the advantages that this range hood, not only structure simple, be easy to processing is installed, cost is low, and reduces height and the volume of range hood integral, even if make installing compared with being also convenient in the kitchen of small size.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the range hood of the embodiment of the present invention.
Fig. 2 is the schematic perspective view (removing air-out cover body) of the range hood of the embodiment of the present invention.
Fig. 3 is the sectional view along A-A line in Fig. 1.
Fig. 4 is the sectional view along B-B line in Fig. 1.
Fig. 5 is the exploded view of range hood of the present invention.
Fig. 6 is the schematic diagram (removing air-out cover body) of the range hood of another embodiment of the present invention.
Fig. 7 is the exploded view of the range hood of another embodiment of the present invention.
Fig. 8 is the schematic diagram of the wind guide component of the range hood of further embodiment of this invention.
Fig. 9 is the schematic diagram of the other direction of the wind guide component of the range hood of further embodiment of this invention.
Figure 10 is the exploded view of the range hood of further embodiment of this invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
The range hood of the embodiment of the present invention, as Figure 1-5, this range hood, comprise the spiral case body 1 of annular, and be positioned at the air outlet 2 of side, top of spiral case body 1, this air outlet 2 is a square outlet, this air outlet 2 is provided with air-out cover body 3, air-out cover body 3 for cross section be circular air-out cover body, for being that circular smoke exhaust pipe is connected with the cross section in the external world, air-out cover body 3 is provided with one-way non-return valve 31.This air outlet 2 is provided with wind deflector 4, and the inner peripheral that this wind deflector 4 is arranged at air outlet 2 extends along the radial direction of air outlet 2, makes this air outlet 2 form the outlet of a circle.This spiral case body 1 comprises front face 11 and rear surface 12, and around the ring wall 13 of the periphery of front and back wall, the side, top of ring wall 13 is provided with outlet(discharge) flange 14, outlet(discharge) flange 14 is formed air outlet 2.
The outlet of this circle and the cross section of air-out cover body 3 match.Like this, the air outlet 2 of this range hood directly can be arranged cross section is circular air-out cover body 3, therefore, can arrange the conversion equipment from square towards circle conversion, the height of range hood integral is minimized, and overall volume reduces.
And the below of the wind deflector 4 of side is close to and is provided with snail tongue 5 on air outlet 2, snail tongue 5 is connected with the ring wall 13 of spiral case body 1 and is adjacent to, the shape of this snail tongue 5, as Fig. 3, 4, shown in 5, the front end face 51 of snail tongue 5 is the arc of the inside indent to spiral case body 1, match with the periphery of wind deflector 4, and the bottom surface 52 of snail tongue 5 is lower convex curved surface, namely the cross section of this bottom surface 52 is curved, as shown in Figure 4, for arc outstanding downwards, such shape makes snail tongue 5 convex at air outlet 2 place downwards, the area of the Sudden change region, air outlet 2 place of spiral case can be reduced, thus reduction vortex, reduce energy loss.And those skilled in the art also can recognize, the wind deflector 4 with spiral case 5 side also can omit, and that is, shape is conglobate together with the wind deflector 4 of opposite side exports for the spiral case 5 of the side of air outlet, be omitted parts like this, reduce cost.
And in this embodiment, top plane 41 shape of the wind deflector 4 of air outlet opposite side is the circular arc of air outlet 2 side mating shapes, the cross section of the below formation horizontal direction of wind deflector 4 is the inclined-plane 42 of arc, inwall gradually towards spiral case body 1 is close, and the both sides of wind deflector 4 and the front and back sides of spiral case body 1 fix.
As shown in Figure 6,7, for the schematic diagram of another embodiment of this range hood, in this embodiment, same spiral case comprises the spiral case body 1 of annular, and is positioned at the air outlet 2 of side, top of spiral case body 1, and this air outlet 2 is a square outlet, this air outlet 2 is provided with air-out cover body 3, air-out cover body 3 for cross section be circular air-out cover body, for being that circular smoke exhaust pipe is connected with the cross section in the external world, air-out cover body 3 is provided with one-way non-return valve 31.This spiral case body 1 comprises front face 11 and rear surface 12, and around the ring wall 13 of the periphery of front and back wall, the side, top of ring wall 13 is provided with outlet(discharge) flange 14, outlet(discharge) flange 14 is formed air outlet 2.
The side of air outlet 2, i.e. one end of ring wall 13, be provided with wind deflector 4, the opposite side of air outlet 2, the i.e. other end of ring wall 13, be provided with snail tongue 5, snail tongue 5 comprises symmetrical independently two panels, and two panels snail tongue 5 forms the arc border of air outlet 2 side jointly, and snail tongue 5 blocks the air outlet 2 of part.Described wind deflector 4 is positioned at one end of ring wall 13 and extends in the same way with ring wall 13, extend in the same way with one end of ring wall 13, and the arc border of air outlet 2 side is formed on its top, its underpart is drawn close downwardly towards ring wall 13, this wind deflector 4 is a tablet, extend from air outlet 2 towards the inside of spiral case body 1, the top of wind deflector 4 is circular arc, and wind deflector 4 inwardly extends near ring wall 13 gradually.The relative side of two panels snail tongue 5 is interconnected, the side of opposite side and the forward and backward wall of spiral case body 1 are fixedly connected, and the side of snail tongue 5 is inclined-plane, two panels snail tongue 5 jointly forms the front end face 51 of one " V " font, and lower convex be the bottom surface 52 of curved surface.In this embodiment, snail tongue 5, wind deflector 4 are respectively panel beating, and be fixedly connected with spiral case body 1 respectively, such structure makes this wind deflector and snail tongue be convenient to install and processing, and also can adjust when not needing, or off size fitting also can conveniently be changed.
Fig. 8,9 and 10 is another embodiment of spiral case of the present invention, spiral case in this embodiment comprises the spiral case body 1 of annular, and be positioned at the air outlet 2 of side, top of spiral case body 1, this air outlet 2 is a square outlet, this air outlet 2 is provided with air-out cover body 3, air-out cover body 3 for cross section be circular air-out cover body, for being that circular smoke exhaust pipe is connected with the cross section in the external world, air-out cover body 3 is provided with one-way non-return valve 31.This spiral case body 1 comprises front face 11 and rear surface 12, and around the ring wall 13 of the periphery of front and back wall, the side, top of ring wall 13 is provided with outlet(discharge) flange 14, outlet(discharge) flange 14 is formed air outlet 2.
This air outlet 2 is fixed with wind guide component 6, and the top of this wind guide component 6 is fixed with air-out cover body 3.This wind guide component 6 comprises top planes 61, and this top planes 61 has circular opening 62, and this opening 62 matches with the size of the valve of air-out cover body 3.The edge of this opening 62 is provided with wind deflector 4 to downward-extension and snail tongue 5, this wind deflector 4 is along the edge, side of opening 62 to downward-extension, snail tongue 5 is along the opposite side edge of opening 62 to downward-extension, and snail tongue 5 has the bottom surface 52 of front end face 51 towards the inner indent arc of spiral case body 1 and lower convex surface equally.This snail tongue 5, wind deflector 4 and top planes 61 are one-body molded, and top planes 61 is fixedly connected with the outlet(discharge) flange 14 of air outlet 2, makes the conglobate outlet of this air outlet 2 shape.Such structure is not only easy for installation, and processing is also very convenient and convenient.
This range hood, not only structure simple, be easy to processing is installed, cost is low, and reduces height and the volume of range hood integral, even if make installing compared with being also convenient in the kitchen of small size.
Although more than describe in detail the preferred embodiments of the present invention, should be expressly understood that, for a person skilled in the art, the present invention can have various modifications and variations.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a range hood, comprise the spiral case body (1) of annular, be positioned at the air outlet (2) of spiral case body (1) side, top, and be positioned at the air-out cover body (3) in air outlet (2) outside, it is characterized in that: the cross section of described air-out cover body (3) is for circular, the inner peripheral of described air outlet (2) is provided with wind deflector (4) and snail tongue (5), and described wind deflector (4) and snail tongue (5) make this air outlet (2) form the outlet of the circle matched with the cross section of this air-out cover body (3).
2. range hood as claimed in claim 1, it is characterized in that: described spiral case body (1) comprises front face (11) and rear surface (12), and the ring wall (13) of periphery around forward and backward wall, the side, top of ring wall (13) is provided with outlet(discharge) flange (14), outlet(discharge) flange (14) is formed air outlet (2).
3. the range hood of claim 1 or 2, it is characterized in that: the inner peripheral of described air outlet (2) is provided with the wind deflector (4) that a circle radially extends, and wherein the below of the wind deflector (4) of side is close to and is arranged snail tongue (5).
4. as range hood that claim 3 is stated, it is characterized in that: the front end face (51) of described snail tongue (5) is the arc matched with the periphery of wind deflector (4), and the bottom surface (52) of described snail tongue (5) is lower convex curved surface.
5. range hood as claimed in claim 2, is characterized in that: the side of the inner peripheral of described air outlet (2) is provided with wind deflector (4), and opposite side is provided with snail tongue (5).
6. range hood as claimed in claim 5, it is characterized in that: described wind deflector (4) is inner along one end of ring wall (13) to spiral case body (1) to be extended, the arc matched with the cross section of this air-out cover body (3) is formed on the top of described wind deflector (4), described snail tongue (5) is arranged on the other end of ring wall (13), and has front end face (51) and the lower convex bottom surface (52) of indent arc.
7. range hood as claimed in claim 6, it is characterized in that: described snail tongue (5) is for symmetrical and two pieces of splicing, and the lateral surface of snail tongue (5) and the front face (11) of spiral case body (1) and rear surface (12) are mutually permanently connected.
8. range hood as claimed in claim 2, it is characterized in that: described air outlet (2) is provided with wind guide component (6), described wind guide component (6) comprises the top planes (61) be fixedly connected with outlet(discharge) flange (14), described top planes (61) has the opening (62) of the circle matched with the cross section of air-out cover body (3), the edge of described opening (62) is provided with described wind deflector (4) and snail tongue (5) to described spiral case body (1) inner side extension, described wind deflector (4), snail tongue (5) and top planes (61) one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639953.7A CN105157083B (en) | 2015-09-30 | 2015-09-30 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639953.7A CN105157083B (en) | 2015-09-30 | 2015-09-30 | A kind of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157083A true CN105157083A (en) | 2015-12-16 |
| CN105157083B CN105157083B (en) | 2018-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510639953.7A Active CN105157083B (en) | 2015-09-30 | 2015-09-30 | A kind of range hood |
Country Status (1)
| Country | Link |
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| CN (1) | CN105157083B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438484A (en) * | 2016-11-08 | 2017-02-22 | 广东美的厨房电器制造有限公司 | Volute of range hood and range hood |
| WO2020044540A1 (en) * | 2018-08-31 | 2020-03-05 | 三菱電機株式会社 | Centrifugal blower, blower device, air conditioning device, and refrigeration cycle device |
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| US20060171803A1 (en) * | 2005-01-28 | 2006-08-03 | Japan Servo Co., Ltd. | Centrifugal fan |
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| CN104454647A (en) * | 2013-09-18 | 2015-03-25 | 广东美的厨房电器制造有限公司 | Fan used for range hood and range hood with same |
| CN104913353A (en) * | 2015-06-02 | 2015-09-16 | 宁波方太厨具有限公司 | Range hood with static lampblack purification plant |
| CN205065853U (en) * | 2015-09-30 | 2016-03-02 | 宁波方太厨具有限公司 | Range hood spiral case |
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2015
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| JP2000064995A (en) * | 1998-08-19 | 2000-03-03 | Honda Motor Co Ltd | Centrifugal turbo blower |
| US20060171803A1 (en) * | 2005-01-28 | 2006-08-03 | Japan Servo Co., Ltd. | Centrifugal fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438484A (en) * | 2016-11-08 | 2017-02-22 | 广东美的厨房电器制造有限公司 | Volute of range hood and range hood |
| CN106438484B (en) * | 2016-11-08 | 2019-06-28 | 广东美的厨房电器制造有限公司 | The spiral case and range hood of range hood |
| WO2020044540A1 (en) * | 2018-08-31 | 2020-03-05 | 三菱電機株式会社 | Centrifugal blower, blower device, air conditioning device, and refrigeration cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105157083B (en) | 2018-04-17 |
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