CN101000151A - Environmental protection kitchen ventilator - Google Patents
Environmental protection kitchen ventilator Download PDFInfo
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- CN101000151A CN101000151A CN 200610023300 CN200610023300A CN101000151A CN 101000151 A CN101000151 A CN 101000151A CN 200610023300 CN200610023300 CN 200610023300 CN 200610023300 A CN200610023300 A CN 200610023300A CN 101000151 A CN101000151 A CN 101000151A
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Abstract
The invention discloses an environmental protection kitchen ventilator, composing an air intake and exhaust and oil filtering system by air intake and oil filter group, air exhaust and oil filter group, oil filter and air kitchen ventilator, and hidden oil storage cup, and making oil filtering treatment on the fume by air intake and oil filtering system and air exhaust and oil filtering system to achieve an environmental protection effect of clean air exhaust. And it includes two styles: 1. three-box structured fume extractor, where machine box is separated into independent left box (lamp box or electric motor box), middle box (air intake and exhaust box) and right box (electric motor box or lamp box); 2. left-right symmetrical split structured kitchen ventilator, where machine body is spliced of left half body, right half body and lamp chimney extension top dust hood, and the left and right half bodies are each a 'two-box structured fume extractor' derived from the 'three-box structured fume extractor' by omitting the lamp box.
Description
Affiliated technical field:
The present invention relates to the technical field of household electrical appliance, specifically a kind of environmental protection cooker hood.
This environmental protection cooker hood comprises 2 kinds of styles.
1: three box structure formula of style range hood
Style 2: the structural formula range hood is pieced together in the left-right symmetry split mutually
Background technology:
The family expenses range hood of Xiao Shouing is generally dark bell-type or European in the market.
Summary of the invention:
The present invention has changed traditional thinking, adopts new principle, new construction, new modeling, and purpose is to provide a kind of more simple skilful, efficient range hood of (energy-conservation), environmental protection.Reach the suction wind effect of efficient and high-quality, reach the environment protecting of cleaning exhaust.
To achieve these goals, technical scheme of the present invention is:
(1) coupling type arc surface net sheet air draught panel.
(2) telescopic air draught overhead guard.
(3) air draught oil strain sheet group.
(4) air draft oil strain sheet group.
(5) oil strain air draft adapter.
(6) the stealthy oil storage cup of plug-in type (stealthy oil storage cup of top plug-in type and the stealthy oil storage cup of bottom plug-in type)
(7) style 1: cabinet is divided into three box structures of relatively independent left case, (suction wind) raising middle flask, right case.
(8) style 2: body is divided into the structure that left-right symmetry, split are pieced together mutually.
The present invention have the following advantages (and effect):
(1) coupling type arc surface net sheet air draught panel.
The coupling type design, loading, unloading are convenient especially, clean easily again.The arc surface moulding of air draught panel can increase the inlet scoop area, and air draught is even, thereby reaches the air draught effect of efficient and high-quality.
(2) telescopic air draught overhead guard.
＜1〉flexiblely freely locate, applicability is strong, can be fit to the supporting use of the kitchen range top of multiple different size.
＜2〉dwindle packaging volume.
(3) air draught oil strain sheet group.
The oil strain sheet is plane or curved surface.＜1〉oil strain;＜2〉noise reduction.
(4) air draft oil strain sheet group.＜1〉oil strain;＜2〉noise reduction.
(5) oil strain air draft adapter.
＜1〉cabinet rectangle vent is transformed into Double Circle (or single circular) vent.
＜2〉supporting with " air draft oil strain sheet group " and top " the stealthy oil storage cup of plug-in type ", form the air draft oil filtering system.
(6) the stealthy oil storage cup of plug-in type (stealthy oil storage cup of top plug-in type and the stealthy oil storage cup of bottom plug-in type).
＜1〉stealthy oil storage cup and cabinet one integrated mass, stealth is unshowy, has compressed volume again.
＜2〉get, wash conveniently.
＜3〉oil reserve is big.
(7) style 1: cabinet is divided into relatively independent left case, raising middle flask (suction wind), right box structure.
＜1〉raising middle flask (wind wheel case) is relatively independent, is convenient to the loading, unloading and the cleaning of wind wheel.
＜2〉be convenient to the inner cleaning of raising middle flask.
＜3〉can keep left case and right case cleaning inside, particularly motor can avoid the pollution of oil smoke.
(8) style 2: body is divided into left-right symmetry, split and pieces together structure mutually.
＜1〉two wind wheel left-right symmetry fume exhausts, suction air volume increases exponentially, and wind-force is powerful, reaches superpower air draught effect.
＜2〉area of inlet scoop is big, and expansion, extends to the position, forward position, makes the oil smoke of rising be difficult for outwards overflowing, and oil suction cigarette effect spy is good.
＜3〉split left and right structure, the volume of monomer little (only half) is convenient to packing, is installed and maintenance.
Description of drawings:
Fig. 1-1 three box structure formula range hood (outward appearance) structural representation.
Fig. 1-2 three box structure formula range hood (cabinet) structural representations.
Fig. 1-3 three box structure formula range hood (wind wheel, motor) structural representation
Fig. 1-4 three box structure formula range hood (air draught oil strain sheet group, stealthy oil storage cup) structural representation.
Fig. 2-1 coupling type arc surface net sheet air draught panel construction schematic diagram.
Fig. 2-2 coupling type arc surface net sheet air draught panel front view.
Fig. 2-3 coupling type arc surface net sheet air draught panel side view.
The telescopic air draught overhead guard of Fig. 3-1 structural representation.
The telescopic air draught overhead guard of Fig. 3-2 side view (stretching state).
The telescopic air draught overhead guard of Fig. 3-3 side view (state contracts).
The stealthy oil storage cup structural representation of Fig. 4-1 bottom plug-in type.
The inboard wall schematic diagram of Fig. 4-2 cabinet raising middle flask.
Schematic diagram after Fig. 4-3 " the stealthy oil storage cup of bottom plug-in type " insertion " the inboard wall of cabinet raising middle flask ".
Fig. 5-1 air draught oil strain sheet group structural representation.
Fig. 5-2 air draught oil filtering system side view.
The stealthy oil storage cup structural representation of Fig. 6-1 top plug-in type.
Fig. 6-2 interlayer type case top schematic diagram.
Schematic diagram after Fig. 6-3 " the stealthy oil storage cup of top plug-in type " insertion " oil storage cup socket ".
Fig. 7 air draft oil strain sheet group structural representation.
Fig. 8-1 oil strain air draft adaptor structure schematic diagram.
The schematic diagram that Fig. 8-2 " oil strain air draft adapter " matches with " air draft oil strain sheet group ", " the stealthy oil storage cup of top plug-in type ".
Fig. 8-3 air draft oil filtering system side view
Fig. 9-1 suction vane is protected oil strain operation principle side view (cabinet part).
Fig. 9-2 suction vane is protected oil strain operation principle side view.
Structural formula range hood (outward appearance) schematic diagram is pieced together in the split of Figure 10-1 left-right symmetry mutually.
Structural formula range hood front view is pieced together in the split of Figure 10-2 left-right symmetry mutually.
Structural formula range hood left side halfbody (wind wheel, motor) structural representation is pieced together in the split of Figure 10-3 left-right symmetry mutually.
Right halfbody (wind wheel, the motor) structural representation of structural formula range hood is pieced together in the split of Figure 10-4 left-right symmetry mutually.
Structural formula range hood left side halfbody (outward appearance) schematic diagram is pieced together in the split of Figure 10-5 left-right symmetry mutually.
Right halfbody (outward appearance) schematic diagram of structural formula range hood is pieced together in the split of Figure 10-6 left-right symmetry mutually.
Figure 10-7 lampshade formula air draught overhead guard schematic diagram that stretches.
The invention will be further described below in conjunction with drawings and Examples:
Style 1:
The present invention's (three box structure formula range hoods) mainly comprises:
Be divided into the cabinet 1 of relatively independent left case, raising middle flask, right case; Telescopic air draught overhead guard 2; Left side case cover 3; Right case cover 4; Coupling type arc surface net sheet air draught panel 5; Oil strain air draft adapter 6; Wind wheel 7; Motor 8; Rotor shaft bearing sleeve 9; Air draught oil strain sheet group 10; Air draft oil strain sheet group 11; The stealthy oil storage cup 12 of bottom plug-in type; The stealthy oil storage cup 13 of top plug-in type.
Left-external side boxboard 21; Side box plate 22 in the left side (on have slot 221 and cylinder to hang Pins 222); Right Inboard boxboard 23 (on slot 221 and cylinder Gua Pins 222 are arranged); Right outer side box plate 24; (spacer structure) interlayer type case top 25 (top air outlets 251; The place ahead oil storage cup socket 252; Set screw 253); At the bottom of the case 26; The inboard plate 27 of case.
Be left case 101 (lighting lamphouse or motor case) partly between the side box plate in the left-external side boxboard of cabinet 1 and the left side, be raising middle flask 102 (the wind wheel case of suction wind) partly between side box plate and the Right Inboard boxboard in the left side, part is right case 103 (motor case or a lighting lamphouse) between Right Inboard boxboard and the right outer side box plate.
Coupling type arc surface net sheet air draught panel 5, its structure is:
Both sides, upper end hook 51; Middle-end mesh 52; The shallow lubricating cup 53 in lower end.
Telescopic air draught overhead guard 2 is part plane, part cambered surface.
Oil strain air draft adapter 6, its structure is:
The bottom is a rectangle fresh air inlet 61, and the top is a Double Circle exhaust vent 62.
Air draught oil strain sheet group 10, its structure is:
One group of vertical oil strain sheet 105 and one group of horizontal oil strain sheet 106 combined crosswise form.
Air draft oil strain sheet group 11, its structure is:
Vertical one group of oil strain sheet 111 and vertical a slice base plate 112 are formed, and screw hole 113 is arranged on the base plate.
The stealthy oil storage cup 12 of bottom plug-in type; The stealthy oil storage cup 13 of top plug-in type, its structure is:
The side is the drawer type body of rectangle (or other shapes), upper end open.
Motor 8 is installed in the right case (or left case), and rotor shaft bearing sleeve 9 is installed on the interior side box plate 22 (or Right Inboard boxboard 23) in a left side, and wind wheel 7 is installed in the raising middle flask, and an end of wind wheel is connected with motor shaft, and the wind wheel other end is a bearing, inserts rotor shaft bearing sleeve 9.
Plug-in type stealthy oil storage cup 12 in bottom inserts the raising middle flask bottom corresponding position of the inboard plate 27 of case;
Plug-in type stealthy oil storage cup 13 in top inserts the place ahead oil storage cup socket 252 on interlayer type case top 25.
The horizontal oil strain sheet 106 of air draught oil strain sheet group 10 inserts the slot 221 on interior side box plate 22 in a left side and the Right Inboard boxboard 23;
Air draft oil strain sheet group 11 is installed in the oil strain air draft adapter 6, is connected to a fixed with screw 113; The top air outlet 251 on interlayer type case top 25 is inserted in oil strain air draft adapter bottom 61.
Load onto left case cover 3 and right case cover 4 respectively; The bottom 53 of coupling type arc surface net sheet air draught panel 5 places at the bottom of the case
On 26, hook 51 is inserted in cylinder Gua Pins 222; The planar section of telescopic air draught overhead guard 2 inserts the interlayer on interlayer type case top 25, and fixing with screw 253.
Motor 8 runnings, drive wind wheel 7 rotations, oil smoke is inhaled into from the mesh 52 of " coupling type arc surface net sheet air draught panel 5 ", enter raising middle flask 102 (wind wheel case) by " air draught oil strain sheet group 10 " again, and then eject air port 251 from case and enter " oil strain air draft adapter 6 ", be discharged from from circular vent 62 by air draft oil strain sheet group 11 backs.
The present invention is different from prior art and is:
1. coupling type arc surface net sheet air draught panel.
The moulding of air draught panel is an arc surface, and the design of both sides, upper end has hook 51; Middle-end is a mesh 52; The lower end is shallow lubricating cup 53, but Chu holds the oil droplet that extension drops down on the air draught panel.Only need lower end 53 is placed at the bottom of the case on 26, about hook 51 is hung in cylinder on the side box plate hang Pins 222, just can utilize the own wt of air draught panel, firmly adorn it appropriate easily.Otherwise, can easily it be unloaded, clean.
Its advantage is as follows:＜1〉design of air draught panel coupling type, loading, unloading are convenient especially, are easy to again clean.
＜2〉the arc surface shape-designing increases the inlet scoop area, and handsome in appearance, air draught is even, can reach the air draught effect of efficient and high-quality.
2. telescopic air draught overhead guard.
Telescopic air draught overhead guard is part plane, part cambered surface.Its planar section injects the interlayer on interlayer type case top 25, fixes with screw by the flexible back of freely locating of user's needs.
Its advantage:＜1〉telescopic air draught overhead guard can need stretch by the user and freely locate, and applicability is strong, can be fit to the supporting use of the kitchen range top of multiple different size.
＜2〉packaging volume has been dwindled in telescopic design, the convenient installation and cleaning.
3. air draught oil strain sheet group.
Oil strain sheet group is formed by one group of vertical oil strain sheet 105 and one group of horizontal oil strain sheet 106 combined crosswise.The oil strain sheet can be designed to cabochon, the horizontal oil strain sheet horizontal direction certain angle that tilts inwardly.Utilize greasy dirt to have adhering characteristics, carry out oil strain by oil strain sheet group.When oil smoke process oil strain sheet group, part greasy dirt in the oil smoke sticks on the oil strain sheet, be accumulated into oil droplet, oil droplet on the vertical oil strain sheet drops down downwards on the horizontal oil strain sheet, oil droplet on the horizontal oil strain sheet, the horizontal oil strain sheet of one deck below the angle of inclination is dropped down, the rest may be inferred, and to the last the oil droplet on the horizontal oil strain sheet of one deck drops down in the stealthy oil storage cup 12 of following bottom plug-in type.
It act as:＜1〉oil strain
＜2〉noise reduction
＜3〉match with the stealthy oil storage cup of bottom plug-in type, form the air draught oil filtering system.
4. the stealthy oil storage cup of bottom plug-in type.
It is rectangle or trapezoidal drawer type body that oil storage cup is taked the side, and upper end open only needs it is inserted the corresponding position of the inboard plate 27 of casing as drawer, and oil storage cup and casing be one integrated mass just; As long as pulling out the light taking-up oil storage cup of drawer, can outwell greasy and clean.
It act as:＜1〉oil storage: because wind wheel rotates the centrifugal force of generation at a high speed, the greasy dirt that wind wheel blade is clung gets rid of to the inboard plate of casing (raising middle flask), and oil droplet drops down the into stealthy oil storage cup 12 of bottom plug-in type downwards along wall; The oil droplet that air draught oil strain sheet group is gathered also drops down and flows into the stealthy oil storage cup 12 of bottom plug-in type.
＜2〉match with air draught oil strain sheet group, form the air draught oil filtering system.
5. oil strain air draft adapter.
The bottom of oil strain air draft adapter is a rectangle fresh air inlet 61, is connected with the top air outlet 251 on interlayer type case top 25, and the top is a Double Circle exhaust vent 62.
Its effect and advantage are:＜1〉interlayer type case top rectangle vent is transformed into the Double Circle vent.
＜2〉the diplopore exhaust has strengthened capacity at double, can make suction, exhaust air rate reach poised state, thereby improves the efficient of suction wind, reaches the power and energy saving effect.
＜3〉match with air draft oil strain sheet group and the stealthy oil storage cup of top plug-in type, form the air draft oil filtering system.
5. air draft oil strain sheet group.
Air draft oil strain sheet group is made up of vertical one group of oil strain sheet 111 and vertical a slice base plate 112, and screw hole 113 is arranged on the base plate.Air draft oil strain sheet group is installed in the oil strain air draft adapter 6, fixes with screw.When oil smoke passed through oil strain sheet group, the greasy dirt in the oil smoke sticked on the oil strain sheet, is accumulated into oil droplet, and the oil droplet on the vertical oil strain sheet drops down downwards in the stealthy oil storage cup 13 of top plug-in type.
It act as:＜1〉oil strain.
＜2〉match with oil strain air draft adapter, the stealthy oil storage cup of top plug-in type, form the air draft oil filtering system.
6. the stealthy oil storage cup of top plug-in type.
It is the drawer type body of irregular shape (matching with the place ahead oil storage cup socket 252 shapes on interlayer type case top 25) that oil storage cup is taked the side, upper end open,
Only need it is inserted the place ahead oil storage cup socket 252 on interlayer type case top 25 as drawer, oil storage cup and case push up just one integrated mass;
As long as pulling out the light taking-up oil storage cup of drawer, can outwell greasy and clean.
It act as:＜1〉oil storage.
＜2〉match with air draft oil strain sheet group, oil strain air draft adapter, form the air draft oil filtering system.
Style 2:
The present invention's (the structural formula range hood is pieced together in the left-right symmetry split mutually) mainly comprises:
Left side halfbody 14; Right halfbody 15; The lampshade formula air draught overhead guard 16 that stretches.
Left side halfbody 14: by one " three box structure formula range hoods ", omit left case, change over one " two box structure formula range hoods ".Former raising middle flask still is " a wind wheel case ", and right case is as " motor case ".
Right halfbody 15: by one " three box structure formula range hoods ", omit right case, change over one " two box structure formula range hoods ".Former raising middle flask still is " a wind wheel case ", and left case is as " motor case ".
The lampshade formula air draught overhead guard 16 that stretches: constitute by lampshade 161 and overhead guard 162.
Connect with the flexible air draught overhead guard 16 of lampshade formula, overhead guard 162 is inserted the interlayer on left halfbody 14 and right halfbody 15 interlayer type casees top 25 respectively, left halfbody 14 is pieced together mutually with right halfbody 15 left-right symmetry, be assembled into one " the structural formula range hood is pieced together in the left-right symmetry split mutually ".Left side halfbody and right halfbody are mutual combination, are again relatively independent.The vent of the oil strain air draft adapter of left side halfbody and right halfbody is respectively single round hole (or double circular hole).
The present invention is different from prior art and is:
Because body is pieced together mutually and is formed by two " two box structure formula range hoods " left-right symmetry, splits, therefore, not only possesses whole advantages of style 1 " three box structure formula range hoods ", also possesses following advantage:
＜1〉by two wind wheel left-right symmetry fume exhausts, suction air volume increases exponentially, and therefore, air draught power is more powerful, can reach the effect of superpower suction wind.
＜2〉the inlet scoop Position Design (contains left part, middle part, right part) in the forward position, and the inlet scoop area is especially big, and therefore, the oil smoke of rising is difficult for outwards overflowing, and oil suction cigarette effect spy is good.
＜3〉split left and right structure, the volume of monomer little (only half) is convenient to packing, is easy for installation and maintenance.
＜4〉utilize the lampshade formula air draught overhead guard 16 that stretches, the total width dimensions of body can be according to the flexible location of user's needs, and applicability is strong.
＜5〉be particularly suitable for the supporting use of the big kitchen range top of width.
Claims (9)
1. coupling type arc surface net sheet air draught panel.
The moulding of air draught panel is an arc surface, and the design of both sides, upper end has hook; Middle-end is a mesh; The lower end is shallow lubricating cup, and extension drops down next oil droplet on the air draught panel but Chu holds.Only need on lower end with coupling type arc surface net sheet air draught panel place at the bottom of the casing, about the upper end hook is hung in cylinder on the side box plate hang Pins, just can utilize the own wt of air draught panel, firmly adorn it appropriate easily.Otherwise, can easily it be unloaded.
2. telescopic air draught overhead guard.
Telescopic air draught overhead guard is part plane, part cambered surface (or whole plane).Its planar section injects the interlayer on interlayer type case top, and is fixing by the scalable back of freely locating of user's needs.
3. air draught oil strain sheet group.
Air draught oil strain sheet group is formed by one group of vertical oil strain sheet and one group of horizontal oil strain sheet combined crosswise.The oil strain sheet can be designed to cabochon, the horizontal oil strain sheet horizontal direction certain angle that tilts inwardly.Utilize greasy dirt to have adhering characteristics, carry out oil strain by oil strain sheet group.
4. air draft oil strain sheet group.
Air draft oil strain sheet group is made up of vertical one group of oil strain sheet and vertical a slice base plate.Air draft oil strain sheet group is installed in the oil strain air draft adapter.
5. oil strain air draft adapter.
Air draft oil strain sheet group is installed in the inside of oil strain air draft adapter; The bottom is the rectangle fresh air inlet, is connected with the vent on cabinet top; The top is Double Circle (or single circular) exhaust vent.
6. the stealthy oil storage cup of plug-in type.
It is the drawer type body of rectangle (or other shapes) that oil storage cup is taked the side, and upper end open only needs it is inserted cabinet position corresponding with it as drawer, and oil storage cup and cabinet be one integrated mass just; As long as pulling out the light taking-up oil storage cup of drawer, can outwell greasy and clean.
7. suction wind oil filtering system: match by air draught oil strain sheet group and the stealthy oil storage cup of plug-in type, form the air draught oil filtering system; Match by air draft oil strain sheet group and the stealthy oil storage cup of plug-in type, oil strain air draft adapter, form the air draft oil filtering system.
8. three box structure formula range hoods: cabinet is divided into relatively independent left case (lighting lamphouse or motor case), raising middle flask (suction bellows), right case (motor case or lighting lamphouse).
9. the structural formula range hood is pieced together in the left-right symmetry split mutually:
Body is pieced together mutually and is formed by left halfbody, right halfbody, the flexible air draught overhead guard of lampshade formula.
Left side halfbody is by one " three box structure formula range hoods ", omits left case, changes over one " two box structure formula range hoods ".Former raising middle flask still is " a wind wheel case ", and right case is as " motor case ".
Right halfbody is by one " three box structure formula range hoods ", omits right case, changes over one " two box structure formula range hoods ".Former raising middle flask still is " a wind wheel case ", and left case is as " motor case ".
Left side halfbody and right halfbody are mutual combination, are again relatively independent.Direction, the position of left side halfbody structure and right halfbody structure is symmetrical about being.Utilize the lampshade formula air draught overhead guard that stretches, the total width dimensions of body can be according to the flexible location of user's needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023300 CN101000151A (en) | 2006-01-13 | 2006-01-13 | Environmental protection kitchen ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610023300 CN101000151A (en) | 2006-01-13 | 2006-01-13 | Environmental protection kitchen ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101000151A true CN101000151A (en) | 2007-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610023300 Pending CN101000151A (en) | 2006-01-13 | 2006-01-13 | Environmental protection kitchen ventilator |
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| Country | Link |
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| CN (1) | CN101000151A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980226A (en) * | 2011-09-07 | 2013-03-20 | 陈辉 | Silence type efficient near-suction type catering oil fume exhaust ventilator |
| CN104061611A (en) * | 2014-06-20 | 2014-09-24 | 王春法 | Near-suction type range hood connecting structure capable of meeting whole small-size encasement |
| CN108561936A (en) * | 2018-07-19 | 2018-09-21 | 杭州博易环境技术有限公司 | A kind of combinable smoke purifier |
| CN108654280A (en) * | 2018-06-05 | 2018-10-16 | 张福桩 | A kind of intelligentized multi-functional chemical engineering production gas collection cleaner |
| CN111396942A (en) * | 2019-01-03 | 2020-07-10 | 宁波方太厨具有限公司 | Extensible range hood |
-
2006
- 2006-01-13 CN CN 200610023300 patent/CN101000151A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980226A (en) * | 2011-09-07 | 2013-03-20 | 陈辉 | Silence type efficient near-suction type catering oil fume exhaust ventilator |
| CN104061611A (en) * | 2014-06-20 | 2014-09-24 | 王春法 | Near-suction type range hood connecting structure capable of meeting whole small-size encasement |
| CN104061611B (en) * | 2014-06-20 | 2016-08-17 | 浙江欧帝电器有限公司 | A kind of close-suction range hood attachment structure meeting the vanning of complete machine small size |
| CN108654280A (en) * | 2018-06-05 | 2018-10-16 | 张福桩 | A kind of intelligentized multi-functional chemical engineering production gas collection cleaner |
| CN108561936A (en) * | 2018-07-19 | 2018-09-21 | 杭州博易环境技术有限公司 | A kind of combinable smoke purifier |
| CN111396942A (en) * | 2019-01-03 | 2020-07-10 | 宁波方太厨具有限公司 | Extensible range hood |
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