CN207103249U - A kind of Self-cleaning kitchen hood - Google Patents
A kind of Self-cleaning kitchen hood Download PDFInfo
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- CN207103249U CN207103249U CN201720692968.4U CN201720692968U CN207103249U CN 207103249 U CN207103249 U CN 207103249U CN 201720692968 U CN201720692968 U CN 201720692968U CN 207103249 U CN207103249 U CN 207103249U
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- jet pipe
- self
- cleaning
- spray orifice
- kitchen hood
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Abstract
It the utility model is related to a kind of Self-cleaning kitchen hood, including the cleaning device being arranged in spiral case (1), the cleaning device includes the jet pipe (21) being connected with irrigation source (2), the jet pipe (21) is contained in the spiral case (1), and the jet pipe (21) is provided with the spray orifice (22) to the impeller (11) into spiral case (1)；It is characterized in that：The jet pipe (21) is ring-type, the spray orifice (22) is the annular aperture opened up along the circumferential direction of the jet pipe (21), the scraper plate (31) that can be moved along the circumferential direction of the spray orifice (22), scraper plate (31) described in drive device (32) drive connection are set in the spray orifice (22).Compared with prior art, Self-cleaning kitchen hood provided by the utility model can avoid spray orifice blocking, the automatic cleaning performance of range hood be effectively ensured to the automatic cleaning of spray orifice.
Description
Technical field
Range hood field is the utility model is related to, refers specifically to a kind of Self-cleaning kitchen hood.
Background technology
Range hood is one of indispensable kitchen appliance of Modern Family, due to the long-term use of range hood so that inner chamber
Full of greasy dirt, particularly on the impeller of blower fan system, the dirt increasingly accumulated on impeller destroys the dynamic balancing of impeller, increase
Load, makes the smoking hydraulic performance decline of range hood, and noise becomes big.
Traditional impeller cleaning method is to split out impeller out of spiral case, artificial to clean spiral case and impeller, after cleaning
Install back again；It is time-consuming, laborious.
For convenience of the automatic cleaning of automatic fume-extracting machine, people have developed kinds of schemes.Research and develop is at most by specific
Device steam and/or high-temperature water cleaning impeller and spiral case are sprayed into spiral case.Typically set a jet pipe, steam and/or
Water enters in jet pipe, is then sprayed from the perforate of jet pipe, so as to realize the cleaning to impeller and spiral case.
But inevitably contain impurity in water and steam, after spraying time has been grown, scale formation inherently be present, block up
Outlet (water) hole is filled in, simultaneously because jet pipe is typically provided in spiral case, the greasy dirt in spiral case can also condense in tapping；Time
After having grown, perforate can gradually be blocked, and cleansing power, which declines, is even unable to normal use.
The content of the invention
Technical problem to be solved in the utility model is a kind of energy automated cleaning spray of present situation offer for prior art
The Self-cleaning kitchen hood of mouth.
Technical scheme is used by the utility model solves above-mentioned technical problem：The Self-cleaning kitchen hood, including set
The cleaning device in spiral case is put, the cleaning device includes the jet pipe being connected with irrigation source, and the jet pipe is contained in the snail
In shell, the jet pipe is provided with the spray orifice to the impeller into spiral case；
It is characterized in that：
The jet pipe is ring-type, and the spray orifice is the annular aperture opened up along the circumferential direction of the jet pipe, in the spray orifice
If the scraper plate that can be moved along the circumferential direction of the spray orifice, scraper plate described in drive device drive connection.
It is preferred that the jet pipe is annular shape.
Preferably, the jet pipe in above-mentioned each scheme can connect described irrigation source by conveyance conduit；It is described defeated
Pipeline is sent to include the house steward being connected with the irrigation source, the house steward is connected with least two branch pipes, the branch pipe and connected
The jet pipe, and being arranged circumferentially along the jet pipe.
Irrigation source in above-mentioned each scheme can be hot water, steam or the cleaning agent containing detergent, preferably described cleaning
Source is steam generator.
The scraper plate connects connecting rod, and the drive device is motor, connecting rod described in the output axis connection of the motor；It is described
Motor is spacing on the spiral case by support.
As the improvement of above-mentioned each scheme, the spray orifice can be in wave shape along its circumferential direction.Pass through the knot of special spray orifice
Structure designs, and increases injection amplitude, so as to clean to whole blade.
It is preferred that the line on the waveform widths direction between the center in the section of most significant end and least significant end and the jet pipe
Between angle be spray angle β≤2arctan [H/ (D1-D2)]；Wherein, H is the height of impeller (11), and D1 is the impeller
Diameter, D2 be the jet pipe diameter.
Preferably, spray angle arctan [H/ (D1-D2)]≤β≤2arctan [H/ (D1-D2)].The structure energy
Whole blade is covered, ensures cleaning performance.
To be adapted to the cleaning of waveform spray orifice, the scraper plate can connect first connecting rod, and the first connecting rod is hinged on second
On connecting rod；The drive device is motor, second connecting rod described in the output axis connection of the motor；The motor is limited by support
Position is on the spiral case.
The waveform can be sine wave, square wave, triangular wave or sawtooth waveforms.
Jet pipe in above-mentioned each scheme can be directly connected to irrigation source, and preferably, the jet pipe can pass through conveyance conduit
The described irrigation source of connection；The conveyance conduit includes the house steward being connected with the irrigation source, and the house steward is connected with least
Two branch pipes, the branch pipe connect the jet pipe, and being arranged circumferentially along the jet pipe.The program can guarantee that jet pipe
Inside pressure is uniform everywhere, so as to ensure cleaning performance, avoids the occurrence of and cleaning dead angle occurs in the low place of pressure.
Compared with prior art, Self-cleaning kitchen hood provided by the utility model can avoid to the automatic cleaning of spray orifice
Spray orifice blocking, has been effectively ensured the automatic cleaning performance of range hood.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the assembling structure of the utility model embodiment 1；
Fig. 2 is the sectional view (eliminating the part outside spiral case) of the line A-A along Fig. 1；
Fig. 3 is the sectional view of jet pipe in the utility model embodiment 1；
Fig. 4 is the part of the medium-height trestle of the utility model embodiment 1, drive device, connecting plate, scraper plate and jet pipe assembling structure
Sectional view；
Fig. 5 is Fig. 1 decomposing schematic representation；
Fig. 6 is the sectional view of the middle scraper of the utility model embodiment 1, drive device, connecting rod and jet pipe assembling structure；
Fig. 7 and Fig. 8 is the assembling structure schematic diagram of more branch pipes and jet pipe in the utility model embodiment 1；
Fig. 9 is the floor map of jet pipe in the utility model embodiment 2；
Figure 10 and Figure 11 is the vertical of two kinds of jet pipes in the utility model embodiment 2, connecting rod and drive device assembling structure
Body schematic diagram；
Figure 12 is the longitudinal sectional view of jet pipe in the utility model embodiment 2.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment 1
As shown in Figures 1 to 8, the Self-cleaning kitchen hood includes：
Spiral case 1, spiral case 1 is interior to be provided with impeller 11, and this is prior art, and volute structure and impeller can be as needed from existing
Any one in technology.
Cleaning device, it is arranged in spiral case 1, for spraying steam or high-temperature water into impeller 11 and spiral case, so as to clean
Impeller and spiral case；The present embodiment illustrates by taking steam as an example, and irrigation source 2 is steam generator.
Cleaning device includes：The circular jet pipe 21 being connected by conveyance conduit 23 with irrigation source 2, jet pipe 21 are contained in
In spiral case 1, jet pipe 21 is provided with to the spray orifice 22 of impeller 11.
Conveyance conduit 23 as shown in Figures 1 to 6 is a single tube, is delivered to steam in jet pipe 21 by a pipeline；
If steam pressure is low, the steam pressure in jet pipe 21 is uneven, i.e. the gas output of spray orifice everywhere, can cause to have
Local cleaning performance is good, and some positions are slightly worse.
Fig. 7 and Fig. 8 shows the scheme uniformly supplied gas into jet pipe 21 using more branch pipes.Conveyance conduit includes and cleaning
The house steward 24 that source 2 is connected, house steward 24 are connected with two branch pipes 25, as shown in fig. 7, Fig. 8 shows the connection knot of four branch pipes
Structure；These branch pipes 25 connect jet pipe 21, and being arranged circumferentially along jet pipe 21, uniformly to be supplied gas into jet pipe 21, spray
Air pressure is substantially uniform everywhere in pipe 21, so as to equably be cleaned to impeller and spiral case.
Spray orifice 22 is the annular aperture opened up along the circumferential direction of jet pipe 21, and being equipped with spray orifice 22 can be in drive device 32
The scraper plate 31 moved under driving along the circumferential direction of spray orifice 22；Scraper plate 31 described in the drive connection of drive device 32.
Drive device 32 in the present embodiment is motor, one end of the output shaft drive connection connecting rod 33 of motor, scraper plate 31
It is arranged on the other end of connecting rod 33.Motor is spacing on spiral case 1 by support 34.
Steam generator in the present embodiment connects water source 27 by water pump 26.Irrigation source can also be as needed from existing
There are the other manner in technology, such as high-temperature water；The structure and installation site of irrigation source can be arranged in range hood,
It can be arranged on outside range hood.
When cleaning lampblack absorber, the aqueous vapor that steam generator sends water pump is melted into high-temperature steam, enters via conveyance conduit
In jet pipe, it is sprayed onto via spray orifice on impeller and spiral case, the greasy dirt on impeller and spiral case is cleaned；The greasy dirt stream washed down
Enter in lubricating cup.
When needing to clear up around spray orifice the incrustation adhered to, motor work, drive link rotates, and drives scraper plate in spray orifice
Rotate, the incrustation being adhered in spray orifice is struck off, these incrustation can enter in lubricating cup with when cleaning with current.
Embodiment 2
As shown in Fig. 9 to Figure 12, the spray orifice 22 being arranged in the present embodiment is in wave shape along its circumferential direction, and waveform can be
Sine wave, square wave, triangular wave or sawtooth waveforms.The present embodiment is triangular waveform.
The folder between line on waveform widths direction between the center a in the section of most significant end and least significant end and the jet pipe
Angle is spray angle β=1.5arctan [H/ (D1-D2)]；Wherein, H is the height of impeller 11, and D1 is the diameter of impeller, and D2 is
The diameter of jet pipe 21.
After spray orifice is designed as waveform, the angle of injection increases considerably, and by the design of spray angle, it is capable of washing to arrive
Whole blade.
Scraper plate 31 connects first connecting rod 35, and first connecting rod 35 is hinged on second connecting rod 36；Drive device 32 is motor, electricity
The output axis connection second connecting rod 36 of machine；Motor is spacing on spiral case 1 by support 34.
Scraper plate 31, which can also be, to be connected directly between on the connecting rod of flexibility, connecting rod connection motor, passes through the change of flexible link
Shape is adapted to the cleaning of waveform spray orifice.As shown in figure 11.
Remaining content is same as Example 1.
Claims (10)
1. a kind of Self-cleaning kitchen hood, including the cleaning device being arranged in spiral case (1), the cleaning device includes and cleaning
The jet pipe (21) that source (2) is connected, the jet pipe (21) are contained in the spiral case (1), the jet pipe (21) be provided with to
The spray orifice (22) of impeller (11) in spiral case (1)；
It is characterized in that：
The jet pipe (21) is ring-type, and the spray orifice (22) is the annular aperture that opens up of circumferential direction along the jet pipe (21), institute
State the scraper plate (31) that sets and can be moved along the circumferential direction of the spray orifice (22) in spray orifice (22), drive device (32) drive connection institute
State scraper plate (31).
2. Self-cleaning kitchen hood according to claim 1, it is characterised in that the jet pipe (21) is annular shape.
3. Self-cleaning kitchen hood according to claim 2, it is characterised in that the jet pipe (21) passes through conveyance conduit
(23) the described irrigation source (2) of connection；The conveyance conduit (23) includes the house steward (24) being connected with the irrigation source (2),
The house steward (24) is connected with least two branch pipes (25), and the branch pipe (25) connects the jet pipe (21), and along described
Jet pipe (21) are arranged circumferentially.
4. Self-cleaning kitchen hood according to claim 3, it is characterised in that the irrigation source (2) is steam generator.
5. according to the Self-cleaning kitchen hood described in Claims 1-4 any claim, it is characterised in that the scraper plate (31)
Connecting rod (33) is connected, the drive device (32) is motor, connecting rod (33) described in the output axis connection of the motor；The motor
It is spacing on the spiral case (1) by support (34).
6. according to the Self-cleaning kitchen hood described in Claims 1-4 any claim, it is characterised in that the spray orifice (22)
It is in wave shape along its circumferential direction.
7. Self-cleaning kitchen hood according to claim 6, it is characterised in that on the waveform widths direction most significant end and
The angle between line between the center (a) in the section of least significant end and the jet pipe is spray angle β≤2arctan [H/
(D1-D2)]；Wherein, H is the height of impeller (11), and D1 is the diameter of the impeller, and D2 is the diameter of the jet pipe (21).
8. Self-cleaning kitchen hood according to claim 7, it is characterised in that the spray angle arctan [H/ (D1-
D2)]≤β≤2arctan[H/(D1-D2)]。
9. Self-cleaning kitchen hood according to claim 6, it is characterised in that the scraper plate (31) connects first connecting rod
(35), the first connecting rod (35) is hinged on second connecting rod (36)；The drive device (32) is motor, the motor it is defeated
Go out second connecting rod described in axis connection (36)；The motor is spacing on the spiral case (1) by support (34).
10. Self-cleaning kitchen hood according to claim 9, it is characterised in that the waveform is sine wave, square wave, triangle
Ripple or sawtooth waveforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692968.4U CN207103249U (en) | 2017-06-15 | 2017-06-15 | A kind of Self-cleaning kitchen hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692968.4U CN207103249U (en) | 2017-06-15 | 2017-06-15 | A kind of Self-cleaning kitchen hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207103249U true CN207103249U (en) | 2018-03-16 |
Family
ID=61594188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720692968.4U Active CN207103249U (en) | 2017-06-15 | 2017-06-15 | A kind of Self-cleaning kitchen hood |
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| Country | Link |
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| CN (1) | CN207103249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999440A (en) * | 2017-06-15 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of Self-cleaning kitchen hood |
| CN111059598A (en) * | 2020-01-07 | 2020-04-24 | 宁波方太厨具有限公司 | Fume exhaust fan |
-
2017
- 2017-06-15 CN CN201720692968.4U patent/CN207103249U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999440A (en) * | 2017-06-15 | 2018-05-08 | 宁波方太厨具有限公司 | A kind of Self-cleaning kitchen hood |
| CN111059598A (en) * | 2020-01-07 | 2020-04-24 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111059598B (en) * | 2020-01-07 | 2021-10-12 | 宁波方太厨具有限公司 | Fume exhaust fan |
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