CN106091067A - Spiral case cover plate, spiral case, spiral case assembly and range hood - Google Patents
Spiral case cover plate, spiral case, spiral case assembly and range hood Download PDFInfo
- Publication number
- CN106091067A CN106091067A CN201610708916.1A CN201610708916A CN106091067A CN 106091067 A CN106091067 A CN 106091067A CN 201610708916 A CN201610708916 A CN 201610708916A CN 106091067 A CN106091067 A CN 106091067A
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- Prior art keywords
- spiral case
- die mould
- molded line
- cover plate
- case cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to field of household appliances, a kind of spiral case cover plate, spiral case, spiral case assembly and range hood are provided, wherein, described spiral case cover plate includes that the gradually evolution of the spiral case involute along described spiral case cover plate is to the die mould region (16) extended, be provided with die mould (17) on described die mould region (16), the width of described die mould (17) along the gradually evolution of described spiral case involute to being gradually increased.By the gradually evolution along spiral case involute to the width increasing die mould, the spiral case cover plate vibration trend that the diffusion of die mould and effectiveness in vibration suppression can be made to cause with flue gas flowing law in spiral case more mates, thus improves the effectiveness in vibration suppression to spiral case cover plate and the noise thus caused.
Description
Technical field
The present invention relates to an electro-technical field, the spiral case that particularly to a kind of spiral case cover plate and includes this spiral case cover plate,
Spiral case assembly and range hood.
Background technology
Range hood is the indispensable household electrical appliance in kitchen, and the spiral case assembly of range hood is the core dress of range hood
Putting, the design relation of spiral case assembly is to the performance of whole range hood.Wherein, spiral case is again the core component of spiral case assembly.
Spiral case is generally by coaming plate and spiral case cover plate (including spiral case front shroud and the spiral case back shroud) welding being formed as thin plate
And it is assembled with the parts such as support.Owing to the bulk strength of sheet part is poor, when drawing smoke, be easily subject to flue gas disturbance and
Produce vibration, trigger noise then.In prior art, die mould is generally set on spiral case cover plate, thus on the one hand can increase
Design strength, the cross section on the other hand realized between spiral case cover plate at die mould by die mould is changed and produces diffusion action,
The vibration caused and consequent noise is affected by flue gas to weaken.
But existing die mould is undesirable because of design, and diffusion action is inconspicuous, cause the vibration of spiral case cover plate still the most acutely,
Noise reduction is bad.
Summary of the invention
In view of this, it is contemplated that propose a kind of spiral case cover plate, to have good diffusion action, thus spiral case is weakened
Cover plate vibrates and reduces noise.
Studying discovery through the present inventor, flue gas flowing law in spiral case causes it from the air intake of spiral case
Mouth enters and moves to during air outlet leaves along spiral case inlet pressure, and the vibration that flue gas impact suffered by spiral case cover plate causes becomes
Gesture is gradually increased.And in existing spiral case, the width of die mould is consistent all the time, diffusion effect is the most consistent.And according to upper
Stating analysis to understand, at the air outlet of spiral case, the vibration of spiral case cover plate is the strongest, therefore causes the spiral case vibration damping of prior art
Noise reduction is undesirable.Therefore, the present inventor is mated by being gradually increased diffusion effect along the mobile route of flue gas
The trend that the vibration of spiral case cover plate strengthens, to improve the effect of vibration and noise reducing.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The present invention provides a kind of spiral case cover plate, and wherein, described spiral case cover plate includes gradually opening along the spiral case of described spiral case cover plate
The gradually evolution of line, to the die mould region extended, described die mould region is provided with die mould, and the width of described die mould is along described spiral case
The gradually evolution of involute is to being gradually increased.
Preferably, described die mould includes outside molded line and the inner side molded line arranged along the width of described die mould, wherein:
Described outside molded line is parallel with the outside molded line of described spiral case cover plate；And/or, described inner side molded line be arranged on described snail
The molded line of the air inlet on housing-plate is parallel.
Preferably, described die mould includes the spaced multiple die mould portions of bearing of trend along described die mould region.
Preferably, described die mould portion include extending to from the bottom in described die mould region middle part the first die mould portion and from
The middle part in described die mould region extends to the second die mould portion at top.
Preferably, the inner side molded line in described second die mould portion includes first medial type parallel with the molded line of described air inlet
Molded line inside line and parallel with the outside molded line of described spiral case cover plate molded line at described air outlet second, described first
Inside the molded line and second of inner side, molded line is arranged continuously.
Preferably, in described first die mould portion and/or the initiating terminal in described second die mould portion, described inner side molded line and outside
Molded line is connected by the first curve smoothly transitted；And/or, in described first die mould portion and/or described second die mould portion
Clearing end, described inner side molded line and outside molded line connected by end line, described end line respectively with described inner side molded line and outside
Molded line is connected by the second curve smoothly transitted.
Preferably, the thickness of described spiral case cover plate is 0.5-1.5mm, and the degree of depth of described die mould is 0.5-3mm.
The present invention also provides for a kind of spiral case, and wherein, described spiral case includes coaming plate and is arranged on the spiral case of described coaming plate both sides
Front shroud and spiral case back shroud, the spiral case cover plate that at least one is the present invention in described spiral case front shroud and spiral case back shroud.
The present invention also provides for a kind of spiral case assembly, and wherein, described spiral case assembly includes the spiral case of the present invention and is arranged on institute
State the impeller in spiral case.
The present invention also provides for a kind of range hood, and wherein, described range hood includes housing assembly, is arranged on described frame
The check-valves at assembly top and the spiral case assembly of the present invention, described spiral case assembly is arranged in described housing assembly and is positioned at institute
State below check-valves.
By technique scheme, by the gradually evolution along spiral case involute to the width of increase die mould, die mould can be made
Diffusion and the spiral case cover plate vibration trend that causes with flue gas flowing law in spiral case of effectiveness in vibration suppression more mate, thus change
The kind effectiveness in vibration suppression to spiral case cover plate and the noise thus caused.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is spiral case and the exploded view of associated components thereof of a kind of embodiment of the spiral case assembly of the present invention；
Fig. 2 is the front view of spiral case assembly in Fig. 1；
Fig. 3 is the rearview of spiral case assembly in Fig. 1；
Fig. 4 is the view intercepted along AA line in Fig. 3；
Fig. 5 is the enlarged drawing in Fig. 4 at B；
Fig. 6 is the enlarged drawing in Fig. 4 at C；
Fig. 7 is the outside drawing of a kind of embodiment of the range hood of the present invention；
Fig. 8 is the exploded view of the range hood of Fig. 7.
Description of reference numerals:
10-spiral case, 11-coaming plate, 12-spiral case front shroud, 13-spiral case back shroud, 14-air inlet, 15-air outlet, 16-presses
Type region, 17-die mould, molded line outside 17a-, molded line inside 17b-, 17c-the first die mould portion, 17d-the second die mould portion, 17e-
One curve, molded line inside 17f-first, molded line inside 17g-second, 18-snail tongue, 20-impeller, 30-sealing gasket, 40-exports
Flange, 50-spiral case support, 60-electric machine support, 70-snail tongue, 100-spiral case assembly, 200-housing assembly, 210-frame header board,
220-frame coaming plate, 300-check-valves.
Detailed description of the invention
In invention, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, left and right " typically refers to ginseng
Examine upper and lower, left and right shown in the drawings；It is inside and outside that " inside and outside " refers to relative to the profile of each parts itself.It addition, at this
" multiple " being previously mentioned in bright, refer at least two, including two and two or more.
Below with reference to the accompanying drawings and combine embodiment to describe the present invention in detail.
According to an aspect of the present invention, it is provided that a kind of spiral case cover plate, wherein, described spiral case cover plate includes along described spiral case
The gradually evolution of the spiral case involute of cover plate, to the die mould region 16 extended, described die mould region 16 is provided with die mould 17, described
The width of die mould 17 along the gradually evolution of described spiral case involute to being gradually increased.
According to a further aspect in the invention, it is provided that a kind of spiral case, wherein, described spiral case 10 includes coaming plate 11 and is arranged on institute
State spiral case front shroud 12 and the spiral case back shroud 13 of coaming plate 11 both sides, in described spiral case front shroud 12 and spiral case back shroud 13 extremely
Few one is described spiral case cover plate.Preferably, spiral case front shroud 12 and spiral case back shroud 13 are provided with above-mentioned width optimization and set
The die mould 17 of meter.
According to another aspect of the invention, it is provided that a kind of spiral case assembly, wherein, described spiral case assembly includes the snail of the present invention
Shell 10 and the impeller 20 (as shown in Figure 7) being arranged in described spiral case 10.
Wherein, spiral case assembly also includes other relevant assembling parts, such as, as it is shown in figure 1, spiral case assembly can also wrap
Include the electric machine support 60 being arranged in spiral case 10, be arranged on the sealing gasket 30 at air outlet 15 and outlet(discharge) flange 40, be arranged on snail
Snail tongue 70 on the position of snail tongue 18 correspondence of shell 10, and it is arranged on the spiral case support 50 of coaming plate 11 both sides.Such as Fig. 2 institute
Showing, the air inlet 14 of spiral case 10 is arranged on the middle part of spiral case cover plate, in air-flow enters spiral case 10 by air inlet 14 and from air-out
Mouth 15 is discharged.
According to the further aspect of the present invention, as shown in Figure 7 and Figure 8, it is provided that a kind of range hood, wherein, described fume-exhausting
Machine includes housing assembly 200, the check-valves 300 being arranged on described housing assembly 200 top and the spiral case assembly of the present invention, institute
State in spiral case assembly is arranged on described housing assembly 200 and be positioned at below described check-valves 300.
Wherein, spiral case assembly can be installed in housing assembly 200 by appropriate ways.As shown in Figure 7 and Figure 8, frame
Assembly 200 can include frame header board 210 and frame coaming plate 220, shows and taken off by the frame header board 210 in Fig. 7 in Fig. 8
View, spiral case assembly can be installed on frame coaming plate 220 by spiral case support 50.
The spiral case cover plate of the present invention to the width of increase die mould 17, can make die mould by the gradually evolution along spiral case involute
The spiral case cover plate vibration trend that the diffusion of 17 and effectiveness in vibration suppression cause with flue gas flowing law in spiral case more mates.Specifically
Ground, on the one hand, by the gradually evolution along spiral case involute to the width of increase die mould 17, diffusion effect can be improved, improve and
Exit static pressure at air port 15；On the other hand, the flow in spiral case 10 can along with the gradually evolution of spiral case involute is to being gradually increased,
Vibration also can be gradually increased, by the gradually evolution along spiral case involute to the width of increase die mould 17, the die mould 17 gradually broadened
The vibration being gradually increased can be suppressed.Summary diffusion and damping effect, can improve the effectiveness in vibration suppression to spiral case cover plate and
The noise thus caused.
According to the size of spiral case 10, die mould 17 can be set in position.Such as, in the illustrated embodiment,
Owing to the size of the start-up portion of the involute of spiral case cover plate is less, therefore can be only in the larger-size part of spiral case cover plate
(left-half in such as Fig. 2) arranges die mould 17.But if the size of spiral case cover plate allows, right half part can also in fig. 2
Die mould 17 is set.
It should be noted that described die mould 17 include along described die mould 17 width arrange outside molded line 17a and
Inner side molded line 17b, the width of die mould 17 refers to the distance between the outside molded line 17a at pointed location and inner side molded line 17b.For
Convenient explanation, in figs. 2 and 3, denotes the distance along the horizontal direction illustrated between the molded line 17a and inner side molded line 17b of outside
(such as horizontal width L3, L4), the variation tendency of this distance can also illustrate the change width trend of die mould 17.
In the present invention, can by various suitable in the way of along spiral case involute gradually evolution to increase die mould 17 width,
As long as making the diffusion effect of die mould 17 along the gradually evolution of spiral case involute to increase, to adapt to flue gas flowing rule in spiral case
Restrain.
Preferably, outside molded line 17a and inner side molded line 17b can be arranged in the way of the molded line of coupling spiral case 10.Such as,
Described outside molded line 17a is parallel with the outside molded line of described spiral case cover plate (being equivalent to the molded line of the coaming plate 11 of spiral case 10)；And/
Or, described inner side molded line 17b is parallel with the molded line of the air inlet 14 being arranged on described spiral case cover plate.Wherein, " parallel " refers to
Distance keeps constant, such as, and outside molded line 17a and molded line 17a outside the parallel finger of outside molded line of spiral case cover plate and spiral case cover plate
Outside molded line between distance keep constant, in like manner, the type of inner side molded line 17b and the air inlet 14 being arranged on spiral case cover plate
Inside the parallel finger of line, the distance between molded line 17b and the molded line of air inlet 14 keeps constant.Hereinafter other are parallel also does phase
With understanding.Furthermore it is possible to understand, inside and outside in outside molded line, inner side molded line is for spiral case cover plate, and presses
The corresponding molded line (the outside molded line of such as spiral case cover plate, the molded line of air inlet 14) that the molded line of type 17 is parallel is and die mould 17
Molded line corresponding at position.Such as, in Fig. 3, die mould 17 is respectively positioned on the right side of spiral case cover plate, and molded line 17a institute in outside is parallel
The molded line of position of the corresponding die mould 17 that outside molded line is spiral case cover plate of spiral case cover plate, i.e. the right side of spiral case cover plate in Fig. 3
Side molded line.Similarly, molded line 17b inside the correspondence that molded line is air inlet 14 of parallel for molded line 17b in inner side air inlet 14
The right side molded line of air inlet 14 in the molded line of position, i.e. Fig. 3.
Wherein, most preferred embodiment is that outside molded line 17a is parallel with the outside molded line of spiral case cover plate, inner side molded line
17b is parallel with the molded line of air inlet 14, so that the width of die mould 17 precisely mates with the corresponding construction of spiral case 10 so that die mould 17
Diffusion effect reach optimum.
It addition, in the present invention, die mould 17 can be the whole die mould of one, it is also possible to be prolonging along the whole die mould preset
Stretch the some of range interval, but need to guarantee that some keeps consistent change width trend.
In a preferred embodiment of the invention, described die mould 17 can include the bearing of trend along described die mould region 16
Spaced multiple die mould portion, to avoid processing dimension to be difficult to the longer whole die mould of molding.
It is highly preferred that as shown in Figures 2 and 3, described die mould portion can include extending from the bottom in described die mould region 16
To the first die mould portion 17c at middle part and the second die mould portion 17d of extending to top from the middle part in described die mould region 16, to hold concurrently
Turn round and look at and reduce difficulty of processing and reduce die mould number of times.
In this preferred implementation, the first die mould portion 17c and the inner side molded line of the second die mould portion 17d and outside molded line
The molded line that can follow above-mentioned optimal way coupling spiral case 10 is arranged.
Specifically, the outside molded line 17a of the first die mould portion 17c and the outside molded line (i.e. the molded line of coaming plate 11) of spiral case cover plate
Parallel, inner side molded line 17b is parallel with the molded line of air inlet 14, outside the outside molded line 17a of the second die mould portion 17d is with spiral case cover plate
Side molded line (i.e. the molded line of coaming plate 11) is parallel.Wherein, by die mould portion is set to two-part, the second die mould portion 17d can prolong
Extend air outlet 15 neighbouring (such as extending to the position above corresponding snail tongue 18) and vibrate the most violent air outlet to meet
The passive vibration of maximum diffusion effect, effectively suppression spiral case 10 is provided at 15.Therefore, as it is shown on figure 3, described second die mould portion
The inner side molded line 17b of 17d can include inside first parallel with the molded line of described air inlet 14 molded line 17f and with described snail
The outside molded line of housing-plate molded line at described air outlet 15 parallel second inside molded line 17g, molded line inside described first
Inside 17f and second, molded line 17g is arranged continuously.It addition, the medial type of the part that the second die mould portion 17d is at corresponding air outlet 15
Line 17b and outside molded line 17a can distinguish the outside molded line of the both sides of corresponding spiral case cover plate, to increase the right of die mould 17 as far as possible
Answer the width at air outlet 15.Wherein, molded line 17g is set inside finger first inside molded line 17f and second continuously each other with gently
Mode transition, in order to molding, i.e. inside first inside molded line 17f (end is tangential) and second molded line 17g each other in blunt
Angle, it is to avoid any inner side molded line is parallel to the molded line at the corresponding snail tongue 18 of spiral case cover plate.
Wherein, as it has been described above, represented the first die mould portion 17c and the second die mould portion respectively from Fig. 2 and Fig. 3, L3 and L4
The horizontal width of 17d, along the bearing of trend of die mould 17, L3 and L4 is gradually increased, the pressure mated with the molded line of spiral case 10 with offer
Molded breadth degree, thus the diffusion effect mated with flue gas flowing law in spiral case 10 is provided.
It addition, for ease of die mould and provide mild diffusion effect in spiral case 10, the boundary line, neighboring of die mould 17 is preferred
For smooth.As it has been described above, the inner side molded line 17a and outside molded line 17b of die mould 17 respectively with coaming plate 11 and the type of air inlet 14
Line is parallel, to realize the smooth of dual-side boundary line.Initiateing at described first die mould portion 17c and/or described second die mould portion 17d
End, described inner side molded line 17a and outside molded line 17b is connected by the curve 17e smoothly transitted, to realize the initiating terminal of die mould 17
Boundary line smooth, it is to avoid flue gas collides herein and produces unnecessary loss.Such as, in the enforcement shown in Fig. 2 and Fig. 3
In mode, curve 17e can be circular arc.It addition, at the clearing end of die mould 17, with inner side molded line 17a and outside molded line 17b even
The end line (the first die mould portion 17c and the boundary line, upper end of the second die mould portion 17d in such as Fig. 2) connect can also respectively with medial type
Line 17a and outside molded line 17b is connected by the second curve smoothly transitted, to realize the light of the boundary line of the clearing end of die mould 17
Sliding, it is to avoid flue gas collides herein and produces unnecessary loss.
It addition, study according to the present inventor, the most shallow meeting of the degree of depth of die mould 17 does not has the work strengthening spiral case cover plate
With, the degree of depth of die mould 17 can affect the outlet size of spiral case 10 the most deeply.To this end, in a preferred embodiment of the invention,
The thickness of described spiral case cover plate is 0.5-1.5mm, and the degree of depth of described die mould 17 is 0.5-3mm.
In the case of being respectively provided with die mould 17 on spiral case front shroud 12 and spiral case back shroud 13, as shown in Figures 4 to 6, snail
Degree of depth L1 of the die mould 17 of shell front shroud 12 can be 0.5-3mm, and degree of depth L2 of the die mould 17 of spiral case back shroud 13 can be
0.5-3mm, wherein, the degree of depth of the die mould 17 of spiral case front shroud 12 and the die mould 17 of spiral case back shroud 13 can be identical, it is also possible to
Different.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a spiral case cover plate, it is characterised in that described spiral case cover plate include along described spiral case cover plate spiral case involute gradually
Evolution, to the die mould region (16) extended, described die mould region (16) is provided with die mould (17), the width of described die mould (17)
Along the gradually evolution of described spiral case involute to being gradually increased.
Spiral case cover plate the most according to claim 1, it is characterised in that described die mould (17) includes along described die mould (17)
The outside molded line (17a) of width setting and inner side molded line (17b), wherein:
Described outside molded line (17a) is parallel with the outside molded line of described spiral case cover plate；And/or,
Described inner side molded line (17b) is parallel with the molded line of the air inlet (14) being arranged on described spiral case cover plate.
Spiral case cover plate the most according to claim 2, it is characterised in that described die mould (17) includes along described die mould region
(16) the spaced multiple die mould portions of bearing of trend.
Spiral case cover plate the most according to claim 3, it is characterised in that described die mould portion includes from described die mould region (16)
Bottom extend to middle part the first die mould portion (17c) and extend to the second of top from the middle part of described die mould region (16)
Die mould portion (17d).
Spiral case cover plate the most according to claim 4, it is characterised in that the inner side molded line in described second die mould portion (17d)
(17b) include inside first parallel with the molded line of described air inlet (14) molded line (17f) and with described spiral case cover plate outside
The side molded line molded line at described air outlet (15) place parallel second inside molded line (17g), inside described first molded line (17f) and
Inside second, molded line (17g) is arranged continuously.
Spiral case cover plate the most according to claim 4, it is characterised in that:
At described first die mould portion (17c) and/or the initiating terminal in described second die mould portion (17d), described inner side molded line (17a) and
Outside molded line (17b) is connected by the first curve (17e) smoothly transitted；And/or,
At described first die mould portion (17c) and/or the clearing end in described second die mould portion (17d), described inner side molded line (17a) and
Outside molded line (17b) is connected by end line, and described end line passes through with described inner side molded line (17a) and outside molded line (17b) respectively
The second curve smoothly transitted connects.
Spiral case cover plate the most according to claim 1, it is characterised in that the thickness of described spiral case cover plate is 0.5-1.5mm, institute
The degree of depth stating die mould (17) is 0.5-3mm.
8. a spiral case, it is characterised in that described spiral case (10) includes coaming plate (11) and is arranged on described coaming plate (11) both sides
Spiral case front shroud (12) and spiral case back shroud (13), at least one in described spiral case front shroud (12) and spiral case back shroud (13)
For the spiral case cover plate described in any one in claim 1-7.
9. a spiral case assembly, it is characterised in that described spiral case assembly includes the spiral case (10) described in claim 8 and is arranged on
Impeller (20) in described spiral case (10).
10. a range hood, it is characterised in that described range hood includes housing assembly (200), is arranged on described frame group
Spiral case assembly described in the check-valves (300) at part (200) top and claim 9, described spiral case assembly is arranged on described machine
Frame assembly (200) is interior and is positioned at described check-valves (300) lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708916.1A CN106091067A (en) | 2016-08-23 | 2016-08-23 | Spiral case cover plate, spiral case, spiral case assembly and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610708916.1A CN106091067A (en) | 2016-08-23 | 2016-08-23 | Spiral case cover plate, spiral case, spiral case assembly and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106091067A true CN106091067A (en) | 2016-11-09 |
Family
ID=57225072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610708916.1A Pending CN106091067A (en) | 2016-08-23 | 2016-08-23 | Spiral case cover plate, spiral case, spiral case assembly and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106091067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386889A (en) * | 2018-05-31 | 2018-08-10 | 广东美的厨房电器制造有限公司 | Range hood |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909056Y (en) * | 2006-04-30 | 2007-06-06 | 宁波方太厨具有限公司 | Fan volute structure of Europe type kitchen ventilator of two-sided air intake |
| CN203323207U (en) * | 2013-05-29 | 2013-12-04 | 中山华帝燃具股份有限公司 | Volute of range hood |
-
2016
- 2016-08-23 CN CN201610708916.1A patent/CN106091067A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2909056Y (en) * | 2006-04-30 | 2007-06-06 | 宁波方太厨具有限公司 | Fan volute structure of Europe type kitchen ventilator of two-sided air intake |
| CN203323207U (en) * | 2013-05-29 | 2013-12-04 | 中山华帝燃具股份有限公司 | Volute of range hood |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386889A (en) * | 2018-05-31 | 2018-08-10 | 广东美的厨房电器制造有限公司 | Range hood |
| CN108386889B (en) * | 2018-05-31 | 2024-03-08 | 广东美的厨房电器制造有限公司 | Fume exhaust fan |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161109 |