CN104990114B - A kind of outlet housing of lampblack absorber - Google Patents
A kind of outlet housing of lampblack absorber Download PDFInfo
- Publication number
- CN104990114B CN104990114B CN201510354822.4A CN201510354822A CN104990114B CN 104990114 B CN104990114 B CN 104990114B CN 201510354822 A CN201510354822 A CN 201510354822A CN 104990114 B CN104990114 B CN 104990114B
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- CN
- China
- Prior art keywords
- valve block
- rotating shaft
- cover body
- lampblack absorber
- outlet housing
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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)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of outlet housing of lampblack absorber, including hollow cover body, and the valve block on the air outlet of cover body upper end, the center of cover body is provided with extending laterally and spaced upper rotating shaft and lower rotary shaft up and down, valve block is two panels, it is connected and is rotated rotating around upper rotating shaft and lower rotary shaft with upper rotating shaft and lower rotary shaft respectively, provided with the central dividing plate extended up and down between upper rotating shaft and lower rotary shaft, central dividing plate is extended in the same direction with the upper and lower rotating shaft and two ends are mutually fixed with cover body, in sealing contact between central dividing plate and two panels valve block.The outlet housing of the lampblack absorber, it is not only able to while opening valve block and closing valve block, it is not smooth because asynchronously opening the smoke evacuation caused to prevent valve block, and the opening of cover body in lampblack absorber when not in use, can be sealed well, prevent pouring in down a chimney for oil smoke, and the outlet housing is when valve block is opened, be not in that pressure release is excessive and the not smooth situation of smoke evacuation that causes, ensure that the smooth opening and closing of valve block, improve the smoke evacuation performance of lampblack absorber.
Description
Technical field
The present invention relates to a kind of lampblack absorber, more particularly to a kind of outlet housing of lampblack absorber.
Background technology
Typically all common flue used in the building of household resident now, the range hood discharge of every household
Oil smoke enters the discharge above house after common flue from range hood, if air outlet for kitchen ventilator is poorly sealed, will lead
Cause the oil smoke of underlying User to enter the room of upper strata resident family in discharge process, or when blowing hard or air pressure is low, can also go out
Between the situation that the oil smoke of existing upper strata resident family discharge enters in house from the exhaust outlet of the range hood of resident family of lower floor, generation air flue
Collaborate mutually, the phenomenon of smoke blowing.Set so general lampblack absorber is set in outlet housing, outlet housing all at the air outlet of lampblack absorber
Valve block is put, valve block is generally opened so that oil smoke is expelled into common flue when lampblack absorber is used, the valve block when lampblack absorber is closed
Close, prevent the oil smoke in common flue from pouring in down a chimney.Non-return valve block in common outlet housing is bivalve chip architecture, and valve block is towards going out
Can unidirectionally it be opened on the outside of fan housing.
Outlet housing generally comprises the symmetrically arranged valve block of two panels, and valve block closes the outlet of whole outlet housing when closing.As in
" a kind of return air check-valve " disclosed in state patent CN201137727Y, includes non-return valve seat, fixed on non-return valve seat connects
Blade is connected with by axle on the check-valves inner ring connect, check-valves inner ring, blade is engaged with air outlet in a closed condition,
Such check-valves is lower in off position to be engaged the air outlet for just covering range hood with air outlet, when range hood work
When, blade opens air outlet, and when range hood does not work, blade is closed by deadweight, and blade is put on check-valves inner ring
It is upper to form sealing, prevent the oil smoke in the common flue outside air outlet from pouring in down a chimney.But the periphery of such check-valves blade is flat
Face, after use time is long, particularly oil smoke is much hot gas, blows closing open by the long-time of hot gas, may result in leaf
The deformation at piece edge, even so that when causing in off position, the space that oil smoke may also be formed after blade edge deformation
In pour in down a chimney into range hood；And the rotating shaft of this kind of valve seat valve block is located at the center of outlet housing, in order that two panels valve block can be suitable
Profit is rotated, unobstructed between the rotating shaft of two panels valve block to be provided with a less space, is also resulted in poorly sealed and then can be caused
Oil smoke pours in down a chimney influences kitchen environment into kitchen.
And containing greasy dirt in oil smoke, lampblack absorber is easily piled up on valve block using greasy dirt long afterwards, causes valve block and housing
Between adhesion, and the greasy dirt being piled up on valve block number depend on lampblack absorber suck oil smoke amount, the oil of lampblack absorber in itself
Performance, the air-out mode of blower fan system, the shape of exhaust passage, the mounting means of discharge pipe, the temperature of external environment of fat separation
Humidity etc..So the greasy dirt being piled up on each valve block is unequal, this just directly results in the housing of valve block and outlet housing
The adhesion degree of inner ring is different, it is assumed that valve block A is more than valve block B and housing inner ring bonding journey with the Nian Jie degree of housing inner ring
Degree, after lampblack absorber starts, the static pressure in valve block its outlet housing of moment before opening is maximum, suffered by valve block A and valve block B
To air pressure be equal, if with housing inner ring bond the less valve block B of degree first open, the gas pressure intensity in outlet housing
Moment significantly reduces, and valve block A is difficult then to open again, and this just directly results in, and lampblack absorber air draft is not smooth, and noise increase phenomenon occurs.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of good seal performance, can prevent oil smoke from pouring in down a chimney, and easily
Opened and closed simultaneously in valve block, the outlet housing for unobstructed lampblack absorber of discharging fume.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of outlet housing of lampblack absorber, including it is hollow
Cover body, and the valve block on the air outlet of cover body upper end, it is characterised in that：The center of the cover body is provided with and extended laterally simultaneously
And spaced upper rotating shaft and lower rotary shaft up and down, the valve block is two panels, be connected and divides with upper rotating shaft and lower rotary shaft respectively
Do not rotated around upper rotating shaft and lower rotary shaft, provided with the central dividing plate extended up and down, the centre between the upper rotating shaft and lower rotary shaft
Dividing plate is extended in the same direction with the upper and lower rotating shaft and two ends are mutually fixed with cover body, and the two panels valve block distinguishes corresponding turn around it
When axle turns to horizontality, the two panels valve block seals the upper end air outlet of cover body together with central dividing plate.
In order that outlet housing is preferably sealed, the periphery of the valve block is coated with the bag that a circle soft elastic material is made
Circle, it is in sealing contact between the bag circle and central dividing plate and cover body.
In order that the air-out open area of cover body is maximum, the upper rotating shaft and the projection of lower rotary shaft in the vertical direction are overlapping.
For the ease of connecting and being driven, the upper rotating shaft and lower rotary shaft are located at the top of its corresponding valve block, and described
Upper rotating shaft and lower rotary shaft are respectively fixedly connected with the connecting rod of one and its coplanar extension, and the connecting rod is located at corresponding valve block
Top is fixedly connected with valve block.
Preferably, the connecting rod is connected by connector with valve block, and two ends and the valve block of connector are fixed, connector
Center section is across the top of connecting rod.
More firmly and preferably rotated in order that rotating shaft is connected with valve block with moving valve plate, the two ends point of the connecting rod
It is not fixedly connected with two sides of upper and lower rotating shaft, the middle part of connecting rod extends towards the outer peripheral edge portion of valve block.
In order to prevent drive mechanism because grease adhesion and can not normal work, the end pair of the upper rotating shaft and lower rotary shaft
The cover body answered stretches out provided with through hole for the two ends of upper and lower rotating shaft to be located at outside cover body, and in the two ends of upper and lower rotating shaft at least
It is fixedly connected with one end and drives the upper and lower rotating shaft while the drive mechanism rotated.
Preferably, the drive mechanism includes the gear being fixedly connected with the end of upper rotating shaft, and the end with lower rotary shaft
The lower gear that portion is fixedly connected, gear and the lower gear intermeshing.
In order that valve block is not in that pressure release is excessive and the not smooth situation of smoke evacuation that causes in the starting stage of opening procedure,
The cover body and the inner surface that the section that the outer side edges of valve block are provided with along corresponding position on above-below direction is arc, the interior table
The center of circle of the arc section in face is located on the medial extremity of its corresponding valve block, and the inner surface is the up and down mistake corresponding with valve block
Open up two half-turns put, the medial extremity same level face of the corresponding valve block in the bottom of the inner surface, the inner surface is under
Up the radius of curvature of its arc section keeps constant.
Preferably, the angle between the medial extremity of the corresponding valve block in the top of the inner surface is 15 degree.
For the ease of be oriented to grease and be easy to cleaning, the central dividing plate include be connected with the bottom of central dividing plate and
The accessory plate upwardly extended in the bottom side of central dividing plate, the accessory plate and central dividing plate are extended in the same direction and between the two
The lower rotary shaft formed below groove, central dividing plate is located at the upper rotating shaft position above the top of the side trench of accessory plate one, central dividing plate
In the same side of central dividing plate relative to accessory plate.
Preferably, the difference in height between the upper rotating shaft and lower rotary shaft is 10mm-30mm.
Compared with prior art, the advantage of the invention is that the outlet housing of the lampblack absorber, is not only able to while opening valve block
With closing valve block, prevent valve block not smooth because of the smoke evacuation that asynchronously unlatching is caused, and can be in lampblack absorber when not in use, very well
Ground seals the opening of cover body, prevents pouring in down a chimney for oil smoke, and the outlet housing is when valve block is opened, and is not in that pressure release is excessive and make
Into the not smooth situation of smoke evacuation, ensure that the smooth opening and closing of valve block, improve the smoke evacuation performance of lampblack absorber.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the outlet housing of the lampblack absorber of the embodiment of the present invention.
Fig. 2 is the top view of the outlet housing of the lampblack absorber of the embodiment of the present invention.
Fig. 3 is the phantom of the line A-A along along Fig. 1.
Fig. 4 is the section plan of the line A-A along along Fig. 1.
Fig. 5 is the enlarged diagram of part B in Fig. 4.
Fig. 6 (removes the gear protection on the outside of outlet housing for the schematic diagram of the outlet housing of the lampblack absorber of the embodiment of the present invention
Cover).
Fig. 7 is the exploded view of the outlet housing of the lampblack absorber of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figs. 1-7, the outlet housing of the lampblack absorber of the embodiment of the present invention, including hollow cover body 1, the cover body 1
Upper end is circular cross-section, and lower end is square-section, the smoke evacuation on the outside of air outlet and lampblack absorber for connecting lampblack absorber inner spiral casing
Pipeline.Cover body 1 includes body 10 and the circular inner ring 20 positioned at the upper end of body 10.
The center of the upper end of the cover body 1 provided with extending laterally, i.e., along the upper end of cover body 1 circular cross-section wherein one diameter
Extension and between the upper and lower every two rotating shafts being correspondingly arranged, i.e., upper rotating shaft 2 and lower rotary shaft 3, rotating shaft 2 and lower rotary shaft 3 exist on this
Projection on vertical direction is overlapping, and the end of upper rotating shaft 2 and lower rotary shaft 3 is both connected on cover body 1, upper rotating shaft 2 and lower turn
Axle 3 can be around the axial rotation of its own.Upper rotating shaft 2 is fixedly connected with a semicircular valve block 4, and lower rotary shaft 3 is also fixedly connected with one
Semicircular valve block 4, the semicircular valve block 4 of the two panels is located at the both sides of upper and lower rotating shaft respectively, and is also arranged at intervals up and down.
Two valve blocks distinguish up and down rotating shaft both sides extend and can be rotated rotating around upper rotating shaft 2 and lower rotary shaft 31, valve block 4 it is interior
Side is located at upper and lower rotating shaft side, and the outer periphery of valve block 4 is corresponding with cover body 1.The valve block 4 rotates around the axis to horizontality
When just close the upper end air outlet of cover body 1, valve block 4 can open the upper end open of cover body 1 rotating around upper and lower axis of rotation.By
Correspond to and be arranged at intervals about 3 in rotating shaft on this 2 and lower rotary shaft so that two panels valve block 4 in off position when, both rotating shafts are perpendicular
The projection of Nogata upwards is overlapping, therefore, upper in the horizontal direction very close to each other between rotating shaft 2 and lower rotary shaft 3.The He of rotating shaft 2 on this
Provided with the central dividing plate 5 extended up and down between lower rotary shaft 3, the central dividing plate 5 is located at centre and two ends and the cover body 1 of cover body 1
It is fixedly connected, and medial extremity of the upper and lower side with valve block 4 of central dividing plate 5 is in sealing contact so that and valve block 4 closes shape in level
During state, the outlet of the top of cover body 1 can be tightly sealed, pouring in down a chimney for oil smoke will not be caused because of poorly sealed.Rotating shaft 2 on this
Vertical distance between lower rotary shaft 3 is that difference in height is 10mm-30mm, it is therefore preferable to 20mm.And those skilled in the art
It can be appreciated that the central dividing plate 5 can be connected with upper and lower rotating shaft and can also be not connected to, as long as when valve block 4 is closed, it is middle
Dividing plate 5 can seal the air outlet on cover body 1 with valve block 4.The shape of valve block 4 can be semicircle or other
Shape or approximate half-circular.Rotating shaft 2 and lower rotary shaft 3 parallel interval can also be set up and down on this, might not be in vertical side
Overlap upwards, now, central dividing plate extends about 5 but with horizontal direction to inclination, whole outlet housing when now valve block 4 is opened
Area it is smaller, but can also realize preferable sealing effectiveness, only when the projection of upper lower rotary shaft in the vertical direction is overlapping,
The area for the air outlet that valve block 4 is opened can realize maximization.
Preferably, the periphery of the valve block 4 is coated with a circle soft elastic material, the bag circle 6 being made such as elastomeric material,
The bag circle 6 extends close to the side of upper and lower rotating shaft towards central dividing plate 5, for will be close between valve block 4 and central dividing plate 5
Envelope, inner surface extension of the bag circle 6 towards the inner surface side of cover body 1 towards cover body 1, for close between valve block 4 and cover body 1
Envelope.And it is preferably, linear contact lay between the bag circle 6 and the inner surface of cover body 1, as shown in figure 5, such structure is enabled to
Contact surface between valve block 4 and cover body 1 reduces, and prevents between valve block 4 and cover body 1 because grease accumulates and produces adhesion.
Preferably, it is interconnected and fixed respectively by connecting rod 7 between upper rotating shaft 2 and lower rotary shaft 3 and the valve block of both sides 4,
I.e. upper and lower rotating shaft is located at the top of valve block 4 respectively, and the two ends of connecting rod 7 are fixedly connected with rotating shaft respectively, and are located at respectively
Two sides of upper and lower rotating shaft, the middle bent of connecting rod 7 extends towards the outer peripheral edge portion of valve block 4, connecting rod 7 with it is upper and lower
Rotating shaft is coplanar to be set positioned at the top of valve block 4.Two sides of connecting rod 7 pass through connector 71 and valve respectively with center section
Piece 4 is connected, it is preferable that connector 71 is a plates, and the two ends of connector 71 are fixedly connected with valve block 4, in connector 71
Between part across the top of connecting rod 7.Such structure had both been easy to rotating shaft and the connection of valve block and dismounting, again cause valve block 4 with
It is able to preferably seal between central dividing plate 5 and rotating shaft and cover body 1, prevents the phenomenon of falling cigarette.And those skilled in the art
It can be appreciated that can not also be connected between upper and lower rotating shaft and valve block by connecting rod 7, between valve block 4 and corresponding rotating shaft
It can be integrally formed or be fixedly connected by other means.
The cover body 1 position corresponding with the outer circumference edge of valve block 4, is arc provided with the section on above-below direction
Inner surface 11, the center of circle of the section arc of the inner surface 11 is located in the corresponding rotating shaft of its corresponding valve block 4.Because valve block 4
Stagger the two panels of setting for above and below, therefore the inner surface 11 is staggers with what valve block 4 was correspondingly arranged above and below the both sides of cover body 1
Two half-turns, the side face of the inner surface 11 of the arc along cover body 1 sets and is coaxially disposed with cover body 1, i.e. the inner surface 11
Provided with two, the medial extremity same level face of corresponding valve block 4, the top of inner surface 11 are distinguished in the bottom of each inner surface 11
The angle a of the medial extremity formation of corresponding valve block is about 15 degree, and its radius of curvature keeps constant to inner surface 11 from the bottom up,
I.e. in the motion process around the shaft of valve block 4, when rotating in the range of 0-15 degree, the gap between the periphery of valve block 4 and cover body 1 can
To keep constant, such structure can prevent valve block open initial stage due between valve block 4 and cover body 1 gap change it is excessive and
Caused pressure release, prevents the stress rapid drawdown of valve block 4, and valve block 4 opens the unstable phenomenon of vibration, particularly when back pressure is larger, effect
It is more obvious.And the bottommost of the inner surface 11 is shelved relative to top to the center indent of cover body 1 for the periphery of valve block 4,
For valve block 4 downwards close outlet housing opening when it is spacing.
The cover body 1 is respectively equipped with through hole 12, upper and lower turn on the position corresponding with the two ends of upper rotating shaft 2 and lower rotary shaft 3
The two ends of axle stretch out in the outside that through hole 12 is located at cover body 1, and at least one in the corresponding two ends of upper and lower rotating shaft respectively
Gear 21 and lower gear 31 are respectively fixed with end, the gear 21 and lower gear 31 are connected positioned at the outside of cover body 1, and
It can be rotated around the axle of its own, gear 21 and the intermeshing linkage of lower gear 31.Therefore, as long as driving gear 21 and lower tooth
Take turns one of them in 31, you can drive upper and lower rotating shaft to rotate simultaneously, you can driving two panels valve block 4 is rotated simultaneously, is opened simultaneously
Or close.The outside mask of gear 21 and lower gear 31 has gear protective cover 8.The setting staggered above and below upper lower rotary shaft, can
Ensure the engagement of upper and lower gear and with enough linkage moments of torsion, can preferably make valve block while linking beats on or off
Close.
And those skilled in the art are it can be appreciated that the end being located at outside cover body 1 of the upper and lower rotating shaft is not necessarily intended to connect
Gear is connect, the drive mechanisms such as linkage can also be connected, as long as the drive mechanism can drive lower rotary shaft simultaneously same simultaneously
Step is rotated.And preferably, the drive mechanism is located at the outside of cover body 1.
Preferably, the central dividing plate 5 includes with the bottom of central dividing plate 5 being connected and in the bottom one of central dividing plate 5
The accessory plate 51 extended on the side, the accessory plate 51 extends in the same direction with central dividing plate 5 and forms a groove 52 between the two, in
The lower rotary shaft 3 of the lower section of space bar 5 is located at the top of the side trench 52 of accessory plate 51 1, during the upper rotating shaft 2 of the top of central dividing plate 5 is located at
The same side relative to accessory plate 51 of space bar 5.The groove 52 can accumulate grease so that grease on valve block 4 can be with
This is piled up in, the guiding with grease is convenient to clean.
The outlet housing of the lampblack absorber, is not only able to while opening valve block and closing valve block, prevent valve block because asynchronously opening
Open the smoke evacuation caused not smooth, and the opening of cover body in lampblack absorber when not in use, can be sealed well, prevent falling for oil smoke
Fill, and the outlet housing is when valve block is opened, be not in that pressure release is excessive and the not smooth situation of discharging fume that causes, ensure that valve
The smooth opening and closing of piece, improve the smoke evacuation performance of lampblack absorber.
Although the preferred embodiments of the present invention described in detail above, it is to be clearly understood that for this area
Technical staff for, the present invention can have various modifications and variations.That is made within the spirit and principles of the invention appoints
What modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of outlet housing of lampblack absorber, including hollow cover body (1), and the valve block on the air outlet of cover body (1) upper end
(4), it is characterised in that：The center of the cover body (1) is provided with extending laterally and spaced upper rotating shaft (2) and lower turn up and down
Axle (3), the valve block (4) is two panels, be connected respectively with upper rotating shaft (2) and lower rotary shaft (3) and rotating around upper rotating shaft (2) and under
Rotating shaft (3) is rotated, provided with the central dividing plate (5) extended up and down, the middle interval between the upper rotating shaft (2) and lower rotary shaft (3)
Plate (5) is extended in the same direction with the upper and lower rotating shaft and two ends are mutually fixed with cover body (1), the central dividing plate (5) and two panels valve block
(4) it is in sealing contact between, the two panels valve block (4) around its distinguish corresponding axis of rotation to horizontality when, two plate valve
Piece (4) seals the upper end air outlet of cover body (1) together with central dividing plate (5).
2. the outlet housing of lampblack absorber as claimed in claim 1, it is characterised in that：The periphery of the valve block (4) is coated with a circle
The bag circle (6) that soft elastic material is made, it is in sealing contact between the bag circle (6) and central dividing plate (5) and cover body (1).
3. the outlet housing of lampblack absorber as claimed in claim 2, it is characterised in that：The upper rotating shaft (2) and lower rotary shaft (3) are perpendicular
The projection of Nogata upwards is overlapping.
4. the outlet housing of lampblack absorber as claimed in claim 2 or claim 3, it is characterised in that：The upper rotating shaft (2) and lower rotary shaft (3)
Positioned at the top of its corresponding valve block (4), and the upper rotating shaft (2) and lower rotary shaft (3) are respectively fixedly connected with one with it with flat
The connecting rod (7) of face extension, the top that the connecting rod (7) is located at corresponding valve block (4) is fixedly connected with valve block (4).
5. the outlet housing of lampblack absorber as claimed in claim 4, it is characterised in that：The connecting rod (7) passes through connector (71)
It is connected with valve block (4), the two ends of connector (71) are fixed with valve block (4), the center section of connector (71) is across connecting rod (7)
Top.
6. the outlet housing of lampblack absorber as claimed in claim 4, it is characterised in that：The two ends of the connecting rod (7) respectively with it is upper,
Two sides of lower rotary shaft are fixedly connected, and the middle part of connecting rod (7) extends towards the outer peripheral edge portion of valve block (4).
7. the outlet housing of lampblack absorber as claimed in claim 4, it is characterised in that：The upper rotating shaft (2) and the end of lower rotary shaft (3)
The corresponding cover body in portion (1) stretches out provided with through hole (12) for the two ends of upper and lower rotating shaft is located at cover body (1) outside, and upper and lower rotating shaft
Two ends at least one end on be fixedly connected with drive the upper and lower rotating shaft and meanwhile rotate drive mechanism.
8. the outlet housing of lampblack absorber as claimed in claim 7, it is characterised in that：The drive mechanism includes and upper rotating shaft (2)
The gear (21) that is fixedly connected of end, and the lower gear (31) being fixedly connected with the end of lower rotary shaft (3), the gear
(21) it is intermeshed with lower gear (31).
9. the outlet housing of lampblack absorber as claimed in claim 1 or 2, it is characterised in that：The cover body (1) is outer with valve block (4)
Side is along corresponding position provided with the inner surface (11) that the section on above-below direction is arc, and the arc of the inner surface (11) is cut
The center of circle in face is located on the medial extremity of its corresponding valve block (4), and the inner surface (11) is the up and down mistake corresponding with valve block (4)
Open up two half-turns put, the medial extremity same level face of the corresponding valve block (4) in the bottom of the inner surface (11), the interior table
Face (11) from the bottom up its arc section radius of curvature keep it is constant.
10. the outlet housing of lampblack absorber as claimed in claim 9, it is characterised in that：The top of the inner surface (11) is right with it
Angle (a) between the medial extremity for the valve block (4) answered is 15 degree.
11. the outlet housing of lampblack absorber as claimed in claim 3, it is characterised in that：The central dividing plate (5) includes and middle interval
The accessory plate (51) that the bottom of plate (5) is connected and upwardly extended in the bottom side of central dividing plate (5), the accessory plate (51)
The lower rotary shaft (3) for extending in the same direction and being formed between the two below groove (52), central dividing plate (5) with central dividing plate (5) is located at
Upper rotating shaft (2) above the top of the side trench of accessory plate (51) one, central dividing plate (5) is located at central dividing plate (5) relative to auxiliary
The same side of plate (51).
12. the outlet housing of lampblack absorber as claimed in claim 1, it is characterised in that：The upper rotating shaft (2) and lower rotary shaft (3) it
Between difference in height be 10mm-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354822.4A CN104990114B (en) | 2015-06-24 | 2015-06-24 | A kind of outlet housing of lampblack absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354822.4A CN104990114B (en) | 2015-06-24 | 2015-06-24 | A kind of outlet housing of lampblack absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104990114A CN104990114A (en) | 2015-10-21 |
| CN104990114B true CN104990114B (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354822.4A Active CN104990114B (en) | 2015-06-24 | 2015-06-24 | A kind of outlet housing of lampblack absorber |
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| Country | Link |
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| CN (1) | CN104990114B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975841B (en) * | 2017-05-26 | 2023-12-15 | 宁波方太厨具有限公司 | Exhaust hood capable of preventing smoke from flowing backwards and mixing |
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| CN87213674U (en) * | 1987-09-22 | 1988-07-06 | 石家庄市阀门一厂 | Duct check-valve |
| US4774981A (en) * | 1987-02-20 | 1988-10-04 | Nifco Inc. | Check valve |
| CN201330873Y (en) * | 2008-12-05 | 2009-10-21 | 北京市阀门总厂(集团)有限公司 | Swing check valve capable of realizing hermetic sealing |
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN202885059U (en) * | 2012-10-30 | 2013-04-17 | 宁波方太厨具有限公司 | Air outlet device for smoke exhauster |
| CN204739654U (en) * | 2015-06-24 | 2015-11-04 | 宁波方太厨具有限公司 | Play fan housing of lampblack absorber |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202955302U (en) * | 2012-11-29 | 2013-05-29 | 宁波方太厨具有限公司 | Outlet housing for range hood |
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2015
- 2015-06-24 CN CN201510354822.4A patent/CN104990114B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774981A (en) * | 1987-02-20 | 1988-10-04 | Nifco Inc. | Check valve |
| CN87213674U (en) * | 1987-09-22 | 1988-07-06 | 石家庄市阀门一厂 | Duct check-valve |
| CN201330873Y (en) * | 2008-12-05 | 2009-10-21 | 北京市阀门总厂(集团)有限公司 | Swing check valve capable of realizing hermetic sealing |
| CN102927600A (en) * | 2012-10-30 | 2013-02-13 | 宁波方太厨具有限公司 | Air outlet housing of range hood |
| CN202885059U (en) * | 2012-10-30 | 2013-04-17 | 宁波方太厨具有限公司 | Air outlet device for smoke exhauster |
| CN204739654U (en) * | 2015-06-24 | 2015-11-04 | 宁波方太厨具有限公司 | Play fan housing of lampblack absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104990114A (en) | 2015-10-21 |
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