CN208431834U - A kind of kitchen ventilator of interior visualization - Google Patents
A kind of kitchen ventilator of interior visualization Download PDFInfo
- Publication number
- CN208431834U CN208431834U CN201820314354.7U CN201820314354U CN208431834U CN 208431834 U CN208431834 U CN 208431834U CN 201820314354 U CN201820314354 U CN 201820314354U CN 208431834 U CN208431834 U CN 208431834U
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- concentric tube
- outer cover
- kitchen ventilator
- transparent outer
- oil
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Abstract
A kind of kitchen ventilator of interior visualization, the oil fume separator and transparent transparent outer cover for being provided with smoke machine main body, capable of separating oil smoke, transparent outer cover are assemblied in the surface of smoke machine main body, and oil fume separator transmission is installed on inside transparent outer cover.The transparent outer cover be provided with multiple housing inlets and with the matched annular lamina of multiple housing inlets, annular lamina is fixedly mounted or is integrally connected to the corresponding inner surface of transparent outer cover and corresponds with positioned at the edge of housing inlet, annular lamina and housing inlet.The kitchen ventilator of the interior visualization observes directly the running of the parts inside smoke machine and oil smoke accumulation, judges convenient for user kitchen ventilator service condition and oil smoke accumulation.The oil fume separator of the kitchen ventilator of the interior visualization generates additional centrifugal force, can effectively remove soot particles, soot particles is avoided to enter exhausting component, greatly improve the separating effect of soot particles.The kitchen ventilator is avoided that the air containing soot particles is contacted with wind wheel simultaneously, and soot particles can be effectively removed inside kitchen ventilator.
Description
Technical field
The utility model relates to kitchen ventilator field, in particular to a kind of kitchen ventilator of interior visualization.
Background technique
Kitchen ventilator is also known as range hood, is a kind of kitchen appliance for purifying kitchen environment.Kitchen ventilator is mounted on kitchen range
Top can take rapidly the oil smoke being harmful to the human body generated in the waste and cooking process of cooking stove burning away, and discharge is outdoor, subtracts
Of low pollution purifies air, and has gas defence, explosion-proof safety guarantee effect.
The research report of WHO shows that the whole world in 2012 causes to suffer stroke in 4,300,000 dead people because of Air Pollution in Kitchen
Accounted for 34%, Chronic Obstructive Pulmonary Disease and ischemic heart disease are 22% and 26% respectively, and die of accounting for about for lung cancer
6%.
Because of many grease stain dirts of the retention that kitchen ventilator itself can accumulate over a long period, do not clean will affect kitchen ventilator for a long time
Operating and service life.But in the kitchen ventilator of the prior art, user cannot observe directly the inner working feelings of kitchen ventilator
Condition and oil smoke accumulation can be easy to have made service condition and cleaning situation false judgment.
Therefore, in view of the shortcomings of the prior art, providing a kind of kitchen ventilator of interior visualization to solve prior art deficiency very
For necessity.
Utility model content
The purpose of this utility model is that providing a kind of oil smoke of interior visualization in place of avoiding the deficiencies in the prior art
Machine.The kitchen ventilator of the interior visualization observes directly the running of the parts inside smoke machine and oil smoke accumulation, convenient for user to oil smoke
Machine service condition and the judgement of oil smoke accumulation.
The above-mentioned purpose of the utility model is realized by following technological means.
A kind of kitchen ventilator of interior visualization is provided, be provided with smoke machine main body, can separate oil smoke oil fume separator and thoroughly
Bright transparent outer cover, transparent outer cover are assemblied in the surface of smoke machine main body, and oil fume separator transmission is installed on inside transparent outer cover.
Preferably, above-mentioned transparent outer cover be provided with multiple housing inlets and with the matched ring-type of multiple housing inlets
Piece, annular lamina be fixedly mounted or be integrally connected to the corresponding inner surface of transparent outer cover and be located at housing inlet edge,
Annular lamina and housing inlet correspond.
Preferably, above-mentioned transparent outer cover is nonplanar structure.
Preferably, above-mentioned transparent outer cover is unorganic glass transparent outer cover；Or
The transparent outer cover is perspex transparent shell.
Preferably, the angle that the tangent line at above-mentioned annular lamina and the edge of corresponding housing inlet is formed is C, and 20 °≤C≤
70°。
Preferably, above-mentioned oil fume separator is provided with concentric tube, rotary shaft and the multiple eaves portion structures of a plurality of middle overlapping of axles,
Rotary shaft is fixedly connected with one end of a plurality of concentric tube respectively, and multiple eaves portion structures are in around setting and to be fixedly installed in corresponding
The other end of concentric tube, rotary shaft are connect with the motor drive of smoke machine main body.
It is defined as lower section towards the side on ground when oil fume separator is installed, and therefrom the outside concentric tube of axis is successively fixed
Justice is the 1st concentric tube ..., the i-th concentric tube ..., the (n-1)th concentric tube, the n-th concentric tube, and 2≤i≤n and n are positive
Integer.
The height of 1st concentric tube is H1..., the height of the i-th concentric tube is Hi..., the height of the (n-1)th concentric tube
Degree is Hn-1, the height of the n-th concentric tube is Hn, H1Value it is maximum, HnValue it is minimum.
Preferably, above-mentioned 1.1Hn≤Hi≤10Hn, and 0.5Hi-1≤Hi≤3Hi-1。
Preferably, above-mentioned concentric tube is provided with disturbing flow device, and disturbing flow device is seamless around the one end for being connected to concentric tube
End.
Preferably, above-mentioned oil fume separator is additionally provided with vortex generating means group, and vortex generating means group is fixedly installed in
The outer surface of concentric tube and the junction for being surrounded on eaves portion structure and concentric tube, vortex generating means group are simultaneously installed on eaves portion structure
Upper surface.
Each vortex generating means group occurs sub-device by one or more vortex of the same eaves portion structure in place and forms.
Preferably, above-mentioned concentric tube is that the line segment being made of multistage broken line surround concentric tube formed by axis one week, with one heart
The position of the adjacent two lines section intersection of inside pipe wall is that position occurs for vortex.
Preferably, above-mentioned smoke machine main body is additionally provided with exhausting component and oil collector sump tank, and exhausting component is fixedly installed in transparent
The inside of shell and the top for being located at oil fume separator, exhausting component are also connect with gas outlet, and oil collector sump tank is assemblied in transparent outer
The bottom of shell.
Preferably, above-mentioned exhausting component is provided with blower, wind wheel and spiral case, and blower is assemblied in inside spiral case, wind wheel and wind
Machine transmission connection, the air inlet that spiral case is fixedly installed in smoke machine body interior spiral case are communicated with the gas outlet above concentric tube, snail
The gas outlet of shell is communicated with the gas outlet of smoke machine main body.
Preferably, above-mentioned transparent outer cover is spherical shaped transparent shell.
A kind of kitchen ventilator of interior visualization of the utility model, the oil smoke point for being provided with smoke machine main body, oil smoke capable of being separated
From device and transparent transparent outer cover, transparent outer cover is assemblied in the surface of smoke machine main body, and oil fume separator transmission is installed on transparent outer
Inside shell.The transparent outer cover be provided with multiple housing inlets and with the matched annular lamina of multiple housing inlets, annular lamina
Be fixedly mounted or be integrally connected to the corresponding inner surface of transparent outer cover and with the edge that is located at housing inlet, annular lamina and outer
Shell air inlet corresponds.The kitchen ventilator of the interior visualization observes directly the running of the parts inside smoke machine and oil smoke accumulation,
Kitchen ventilator service condition and oil smoke accumulation are judged convenient for user.The oil fume separator of the kitchen ventilator of the interior visualization produces
Raw additional centrifugal force, can effectively remove soot particles, avoid soot particles from entering exhausting component, greatly improve soot particles
Separating effect.The kitchen ventilator is avoided that the air containing soot particles is contacted with wind wheel simultaneously, can be effectively de- inside kitchen ventilator
Oil removing smoke particle.
Detailed description of the invention
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model
Any restrictions.
Fig. 1 is the structural schematic diagram of the kitchen ventilator embodiment 1 of the interior visualization of the utility model.
Fig. 2 is transparent outer cover structural schematic diagram.
Fig. 3 is the schematic cross-section of Fig. 2.
Fig. 4 is the enlarged diagram in the area Tu3Zhong Z.
Fig. 5 is oil fume separator schematic cross-section.
Fig. 6 is the high-level schematic of concentric tube.
Fig. 7 is oil fume separator sectional stereogram.
In Fig. 1 to 7, include:
Oil fume separator 1, concentric tube 11, disturbing flow device 111, rotary shaft 12, eaves portion structure 13, through-hole 131, vortex occur
Device group 14, vortex occur position 15,
Transparent outer cover 2, housing inlet 21, annular lamina 22, oil collector sump tank 3 and motor 4.
Specific embodiment
The technical solution of the utility model is described further with the following Examples.
Embodiment 1.
A kind of kitchen ventilator of interior visualization, as shown in Fig. 1 to 7, the oil smoke point that is provided with smoke machine main body, oil smoke can be separated
From device 1 and transparent transparent outer cover 2, transparent outer cover 2 is assemblied in the surface of smoke machine main body, and the transmission of oil fume separator 1 is installed on
Inside bright shell 2.
Transparent outer cover 2 be provided with multiple housing inlets 21 and with the matched annular lamina 22 of multiple housing inlets 21, ring
The corresponding inner surface of 22 integrally connected transparent outer cover of shape piece 2 and with the edge that is located at housing inlet 21, annular lamina 22 and shell
Air inlet 21 corresponds, and the annular lamina 22 of the utility model can also be fixedly installed in transparent outer cover 2, specific embodiment
Depending on performance.
Transparent outer cover 2 is nonplanar structure, and the transparent outer cover 2 of the present embodiment is preferably spherical transparent outer with unorganic glass
Shell 2.
It should be noted that the shape of the transparent outer cover 2 of the utility model can be spherical shape, or other are nonplanar
Shape, depending on situation is embodied with actual requirement.The material of transparent outer cover 2 is preferably unorganic glass, or organic glass
Glass, as long as realize transparent outer cover 2 transparent appearance as long as be the application transparent outer cover 2, will not repeat them here.
The angle that annular lamina 22 is formed with the tangent line at the edge of corresponding housing inlet 21 is C, the angle C of the present embodiment
Be 60 °, or 20 °~70 ° of any angle, specifically with actual conditions depending on.
The effect of annular lamina 22 is vortex to be generated when soot gas being made to enter transparent outer cover 2, while preventing soot particles again
Exterior space is thrown away from the housing inlet 21 of transparent outer cover 2 when throwing away oil fume separator 1.
Oil fume separator 1 is provided with concentric tube 11, rotary shaft 12 and the multiple eaves portion structures 13 of a plurality of middle overlapping of axles, rotation
Shaft 12 is fixedly connected with one end of a plurality of concentric tube 11 respectively, and multiple eaves portion structures 13 are in around being arranged and be fixedly installed in pair
The motor 4 of the other end for the concentric tube 11 answered, rotary shaft 12 and smoke machine main body is sequentially connected.
Will oil fume separator 1 install when towards ground side be defined as lower section, and therefrom the outside concentric tube 11 of axis according to
It is secondary to be defined as the 1st concentric tube ..., the i-th concentric tube ..., the (n-1)th concentric tube, the n-th concentric tube, and 2≤i≤n and n
For positive integer.
The height of 1st concentric tube is H1..., the height of the i-th concentric tube is Hi..., the height of the (n-1)th concentric tube
Degree is Hn-1, the height of the n-th concentric tube is Hn, H1Value it is maximum, HnValue it is minimum, 1.1Hn≤Hi≤10Hn, and 0.5Hi-1≤Hi
≤3Hi-1。
Concentric tube 11 is provided with disturbing flow device 111, and disturbing flow device 111 is seamless around the one end for being connected to concentric tube 11
End.Plane where disturbing flow device 111 intersects with axis and angle is B, and 10 °≤B≤135 °.Disturbing flow device 111 acts on
Soot gas is set to generate vortex, to improve the ability of de-oiling.
Oil fume separator 1 is additionally provided with vortex generating means group 14, and vortex generating means group 14 is fixedly installed in concentric tube
11 outer surface and the junction for being surrounded on eaves portion structure 13 Yu concentric tube 11, vortex generating means group 14 are simultaneously installed on eaves portion
The upper surface of structure 13.Each vortex generating means group 14 is occurred by one or more vortex of the same eaves portion structure 13 in place
Sub-device composition.The effect of the vortex generating means group 14 of the utility model is that soot gas is made to generate vortex, to improve de-
The ability of oil.
Concentric tube 11 is that the line segment being made of multistage broken line surround concentric tube formed by axis one week, 11 inner wall of concentric tube
The position of adjacent two lines section intersection is that position 15 occurs for vortex.The effect of 11 shape of concentric tube of the utility model is to make
Soot gas generates vortex in 11 inner wall of concentric tube, improves the efficiency of removing oil smoke.
Smoke machine main body is additionally provided with exhausting component and oil collector sump tank 3, and exhausting component is fixedly installed in the inside of transparent outer cover 2
And it is located at the top of oil fume separator 1, exhausting component is also connect with gas outlet, and oil collector sump tank 3 is assemblied in the bottom of transparent outer cover 2
The exhausting component of the utility model is provided with blower, wind wheel and spiral case, and blower is assemblied in inside spiral case, wind wheel and wind
Machine transmission connection, the air inlet that spiral case is fixedly installed in smoke machine body interior spiral case are communicated with the gas outlet of 11 top of concentric tube,
The gas outlet of spiral case is communicated with the gas outlet of smoke machine main body.
The concentric tube 11 of the n=3 of the present embodiment, i.e. the present embodiment are provided with 3.11 number of concentric tube of the utility model
It can be arbitrary positive integer, vortex generating means group 14 can be less than or equal to the arbitrary positive integer of 11 number of concentric tube.
The working principle of the kitchen ventilator is: opening kitchen ventilator, motor 4 drives oil fume separator 1, and the wind wheel of exhausting component is same
When rotate, soot particles are by seven layers of separation inside kitchen ventilator, and most almost clean gas is discharged through gas outlet again finally.This
Seven layers of separation are specific as follows:
First layer separation, inertial separation: oil smoke enters inside smoke machine via the housing inlet 21 of transparent outer cover 2, oil smoke
Enter annular lamina 22 after into housing inlet 21, because of the pressure difference and shell air inlet of transparent outer cover 2 inside and external environment
The cataclysm of 21 areas of mouth, air velocity can be accelerated, and moment of inertia also relative increases.And oil smoke can around annular lamina 22 shape
At very thin boundary layer, and because the housing inlet 21 and annular lamina 22 of transparent outer cover 2 are in angle, force oil smoke along cyclic annular
Piece 22 just up flows into oil fume separator 1 after flowing downward, thus heavier oil in downward inertia motion with original
Oil smoke flow field separates movement collection down and realizes first time inertial separation in the oil collector sump tank 3 of 2 bottom of transparent outer cover.
Second layer separation, cyclonic separation: the soot particles by first layer separation are in the direction of annular lamina 22 by lower turn
Flowing in further occurrence flow field separation, soot particles flow field separate under cause unsteady flow field, be further formed vortex.
Flow field or vortex can interact influence with neighbouring flow field or vortex, and the flow field for not stopping spinning is formed in annular lamina 22, this
When rotating vortex reach maximum vorticity.The lighter oil smoke of remaining part can not be parked in the rotating vortex accumulation of annular lamina 22, when
When running up to constant weight, flow field branch is unable to hold out the weight of oil droplet, will fall downwards or flow to oil collector sump tank along annular lamina 22
3。
Third layer separation, centrifugal force separate: eaves portion structure 13 follows the rotation of concentric tube 11 to form centrifugal force, centrifugal force and pumping
The attraction of wind component interacts.After separating for the second time, the lighter oil smoke of remaining part is first when entering concentric tube 11
The outermost end for touching eaves portion structure 13 enters back into concentric tube 11, the centrifugal force of 13 outermost end of eaves portion structure can segment fluid flow or
Person's soot particles take away or stop to enter 11 inside of concentric tube and move outward, then are thrown away with higher tangential velocity, are thrown out of
Particle can fall in annular lamina 22, flow to oil collector sump tank 3 finally along annular lamina 22.
4th layer of separation, inertial separation and centrifugal force separate: after third layer separates, the oil smoke of remaining lighter weight is same
When acted on by centrifugal force and attraction, but opposite attraction is greater than centrifugal force.A portion of these oil smoke can be through
It crosses through-hole 131 to flow to adjacent eaves portion structure 13, because effect of inertia and other oil smoke or soot particles pool larger oil
Smoke particle flow down, and because centrifugal force acts on, soot particles are simultaneously flowed with throwing away compared with high tangential velocity finally along annular lamina 22
Move oil collector sump tank 3.
Layer 5 separation, the cyclone centrifugal force of concentric tube 11 and secondary vortex generate: 11 inner wall of concentric tube rotates to form gas
Rotation, concentric tube 11 be low-pressure area under the action of the centrifugal force, fluids within pipes or particle etc. are mobile toward duct wall, and tube wall forms height
Tangential velocity, part oil smoke, which is blocked, to be flowed up.It is vortexed, does not stop in addition, remaining oil smoke can be formed in vortex generator
Spinning captures oil smoke and does not allow oil smoke to flee from pipeline.After attraction and centrifugal force remove, do not stop spinning secondary vortex flow and
It can be collected because gravity flows downward to oil collector sump tank 3 along inner tubal wall in the oil smoke that tube wall carries out high tangential motion.
Layer 6 separation, disturbing flow device 111 separate: the disturbing flow device 111 of 11 one end of concentric tube generates remaining oil smoke
Flow field separation occurs, is separated by flow field, part oil smoke is stopped not because of the unstability in flow field toward flowing in length and spin
The vortex turned captures oil smoke.
Layer 7 separation, wind wheel centrifugal force separate: after the separation of the first six layer, be left a small amount of soot particles very light because
Pressure difference and the wind wheel for sucking exhausting component, the wind wheel of rotation form centrifugal force and remaining a small amount of soot particles are thrown to blower
On inner wall, last almost clean gas is discharged external through gas outlet.
The kitchen ventilator of the interior visualization observes directly the running of the parts inside smoke machine and oil smoke accumulation, is convenient for user couple
Kitchen ventilator service condition and the judgement of oil smoke accumulation.The oil fume separator 1 of the kitchen ventilator of the interior visualization generates additional
Centrifugal force can effectively remove soot particles, and soot particles is avoided to enter exhausting component, greatly improve the separation effect of soot particles
Fruit.The kitchen ventilator is avoided that the air containing soot particles is contacted with wind wheel simultaneously, and oil smoke can be effectively removed inside kitchen ventilator
Particle.
Embodiment 2.
A kind of kitchen ventilator of interior visualization, other features are same as Example 1, the difference is that: transparent outer cover 2
Material is organic glass.
The transparent outer cover 2 of the present embodiment organic glass has the excellent of shatter-resistant and light weight compared with the transparent outer cover 2 of embodiment 1
Point.
Embodiment 3.
A kind of kitchen ventilator of interior visualization, other features are same as Example 1, the difference is that: the n of the present embodiment
=4, i.e. the concentric tube 11 of the present embodiment is provided with 4.
The kitchen ventilator of the interior visualization compared with Example 1, increases a concentric tube 11, that is, increase oil
Spatial volume of the cigarette separator 1 inside transparent outer cover 2, to reduce the area of 11 air inlet of concentric tube, improve gas into
Enter speed, increases the pressure difference of 11 inside and exterior space of concentric tube, so as to improve the rate of departure of soot particles.
Embodiment 4.
A kind of kitchen ventilator of interior visualization, other features are same as Example 1, the difference is that: transparent outer cover 2
Shape is the ellipsoid bodily form and pole semiaxis is less than equator semiaxis.
The kitchen ventilator of the interior visualization can beautify kitchen environment.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical
The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field
Art personnel, which should be appreciated that, can be modified or replaced equivalently technical solutions of the utility model, practical new without departing from this
The spirit and scope of type technical solution.
Claims (9)
1. a kind of kitchen ventilator of interior visualization, it is characterised in that: the oil fume separator for being provided with smoke machine main body, oil smoke capable of being separated
And transparent outer cover, transparent outer cover are assemblied in the surface of smoke machine main body, oil fume separator transmission is installed on inside transparent outer cover.
2. a kind of kitchen ventilator of interior visualization according to claim 1, it is characterised in that: the transparent outer cover is provided with
Multiple housing inlets and with the matched annular lamina of multiple housing inlets, annular lamina be fixedly mounted or be integrally connected to transparent
The corresponding inner surface of shell and with the edge that is located at housing inlet, annular lamina and housing inlet correspond.
3. a kind of kitchen ventilator of interior visualization according to claim 2, it is characterised in that: the transparent outer cover is non-flat
Face structure.
4. a kind of kitchen ventilator of interior visualization according to claim 3, it is characterised in that: the transparent outer cover is inorganic
Glass transparent shell；Or
The transparent outer cover is perspex transparent shell.
5. a kind of kitchen ventilator of interior visualization according to claim 3 or 4, it is characterised in that: the annular lamina with it is right
The angle for answering the tangent line at the edge of housing inlet to be formed is C, and 20 °≤C≤70 °.
6. a kind of kitchen ventilator of interior visualization according to claim 5, it is characterised in that: the oil fume separator setting
There are concentric tube, rotary shaft and the multiple eaves portion structures of a plurality of middle overlapping of axles, the one end of rotary shaft respectively with a plurality of concentric tube is fixed
Connection, multiple eaves portion structures are in around the other end for being arranged and being fixedly installed in corresponding concentric tube, rotary shaft and smoke machine main body
Motor drive connection.
7. a kind of kitchen ventilator of interior visualization according to claim 5, it is characterised in that: when oil fume separator is installed
It is defined as lower section towards the side on ground, and therefrom the outside concentric tube of axis is successively defined as the 1st concentric tube ..., i-th is same
Heart pipe ..., the (n-1)th concentric tube, the n-th concentric tube, and 2≤i≤n and n are positive integer；
The height of 1st concentric tube is H1..., the height of the i-th concentric tube is Hi..., the height of the (n-1)th concentric tube is
Hn-1, the height of the n-th concentric tube is Hn, H1Value it is maximum, HnValue it is minimum；
The 1.1Hn≤Hi≤10Hn, and 0.5Hi-1≤Hi≤3Hi-1。
8. a kind of kitchen ventilator of interior visualization according to claim 7, it is characterised in that: the concentric tube setting is thanksed for your hospitality
Device is flowed, disturbing flow device is seamless to surround the end for being connected to one end of concentric tube；
The oil fume separator is additionally provided with vortex generating means group, and vortex generating means group is fixedly installed in the appearance of concentric tube
Face and the junction for being surrounded on eaves portion structure and concentric tube, vortex generating means group and the upper surface for being installed on eaves portion structure；
Each vortex generating means group occurs sub-device by one or more vortex of the same eaves portion structure in place and forms；
The concentric tube concentric tube formed by axis one week that is the line segment that is made of multistage broken line, concentric inside pipe wall it is adjacent
The position of two lines section intersection is that position occurs for vortex.
9. a kind of kitchen ventilator of interior visualization according to claim 8, it is characterised in that: the smoke machine main body is also set up
There are exhausting component and oil collector sump tank, exhausting component is fixedly installed in the inside of transparent outer cover and is located at the top of oil fume separator,
Exhausting component is also connect with gas outlet, and oil collector sump tank is assemblied in the bottom of transparent outer cover；
The exhausting component is provided with blower, wind wheel and spiral case, and blower is assemblied in inside spiral case, and wind wheel and blower are sequentially connected,
The air inlet that spiral case is fixedly installed in smoke machine body interior spiral case is communicated with the gas outlet above concentric tube, the gas outlet of spiral case with
The gas outlet of smoke machine main body communicates；
The transparent outer cover is spherical shaped transparent shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314354.7U CN208431834U (en) | 2018-03-07 | 2018-03-07 | A kind of kitchen ventilator of interior visualization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314354.7U CN208431834U (en) | 2018-03-07 | 2018-03-07 | A kind of kitchen ventilator of interior visualization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431834U true CN208431834U (en) | 2019-01-25 |
Family
ID=65103947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820314354.7U Withdrawn - After Issue CN208431834U (en) | 2018-03-07 | 2018-03-07 | A kind of kitchen ventilator of interior visualization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431834U (en) |
-
2018
- 2018-03-07 CN CN201820314354.7U patent/CN208431834U/en not_active Withdrawn - After Issue
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