CN108468838A - Flute check valve and flue system with it - Google Patents
Flute check valve and flue system with it Download PDFInfo
- Publication number
- CN108468838A CN108468838A CN201810258597.8A CN201810258597A CN108468838A CN 108468838 A CN108468838 A CN 108468838A CN 201810258597 A CN201810258597 A CN 201810258597A CN 108468838 A CN108468838 A CN 108468838A
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- CN
- China
- Prior art keywords
- valve body
- check valve
- flute check
- gas outlet
- flue
- Prior art date
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims abstract description 163
- 239000012530 fluid Substances 0.000 claims abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 30
- 239000003546 flue gas Substances 0.000 claims description 30
- 235000019504 cigarettes Nutrition 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
- F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of flute check valve and with its flue system, the flute check valve includes:Valve body, the valve body is with exhaust gases passes and the exhaust gases passes are with gas inlet and exhanst gas outlet;Non-return structure, the non-return structure are set to the valve body and only allow the fluid in the exhaust gases passes along from the gas inlet to the direction one-way flow of the exhanst gas outlet;Flow-guiding structure, the flow-guiding structure are set to the valve body and guide the fluid flowed out from the exhanst gas outlet upward.Flute check valve according to the ... of the embodiment of the present invention can not only have both reverse-filling and fire-proof function, and can reduce smoke evacuation resistance of the upper-layer user to underlying User, to improve smoke exhaust efficiency.
Description
Technical field
The present invention relates to smoke evacuation technical fields, in particular to a kind of flute check valve and have the flue non-return
The flue system of valve.
Background technology
Public vertical smoke evacuation system is a kind of current house kitchen commonly vented exhaust mode, and resident cooks the oil generated
Cigarette is arranged through range hood to common flue.
Specific flue system 1 ' as shown in Figure 1, the range hood 10 ' in kitchen pass through indoor discharge flue 20 ' with it is public
Flue 40 ' is connected to altogether, and oil smoke pours in down a chimney in order to prevent, and flue usually is arranged between common flue 40 ' and indoor discharge flue 20 '
Check-valves 30 ', flute check valve 30 ' have non-return structure.When range hood 10 ' works, the air-flow with oil smoke is through interior
Discharge flue 20 ' pushes non-return structure open, and oil smoke is arranged to common flue 40 ';When range hood 10 ' is stopped, non-return knot
Structure is sealed by self-weight reset, prevents the oil smoke of common flue 40 ' from pouring in down a chimney into house kitchen.From there through non-return structure, make
Flute check valve 30 ' has reverse-filling and fire-proof function.
However, as shown in Figure 1, when range hood 10 ' works, the non-return structure of flute check valve 30 ' is opened, oil smoke row
It puts to common flue 40 ', since oil smoke is fluid, is spread around under unconfined state, therefore, have part oil smoke flow
To the lower section of common flue 40 ', smoke evacuation resistance of the upper-layer user to underlying User is increased, leads to the smoke evacuation resistance of different floors
It is unevenly distributed, influences smoke exhaust efficiency.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of cigarette
Road check-valves, the flute check valve can not only have both reverse-filling and fire-proof function, and can reduce upper-layer user to lower layer
The smoke evacuation resistance of user, to improve smoke exhaust efficiency.
The present invention also proposes a kind of flue system with above-mentioned flute check valve.
Embodiment according to the first aspect of the invention proposes that a kind of flute check valve, the flute check valve include:Valve
Body, the valve body is with exhaust gases passes and the exhaust gases passes are with gas inlet and exhanst gas outlet;Non-return structure, it is described non-return
Structure is set to the valve body and only allows the fluid in the exhaust gases passes along from the gas inlet to the exhanst gas outlet
Direction one-way flow;Flow-guiding structure, the flow-guiding structure are set to the valve body and draw the fluid flowed out from the exhanst gas outlet
In guiding.
Flute check valve according to the ... of the embodiment of the present invention can not only have both reverse-filling and fire-proof function, and can reduce
Upper-layer user is to the smoke evacuation resistance of underlying User, to improve smoke exhaust efficiency.
Some specific embodiments according to the present invention, the non-return structure is set in the exhaust gases passes and the neighbouring cigarette
Gas import is arranged, and the flow-guiding structure is set in the exhaust gases passes and the neighbouring exhanst gas outlet is arranged.
Some specific embodiments according to the present invention, the flow-guiding structure include:Distributing fin, the distributing fin along from
The direction of the gas inlet to the exhanst gas outlet tilts upward extension.
Further, a part for the distributing fin is set in the exhaust gases passes and another part goes out from the flue gas
Mouth stretches out the exhaust gases passes.
Further, the part of the stretching exhaust gases passes of the distributing fin in the axial direction of the exhanst gas outlet with
The valve body is concordantly arranged, or exceeds the valve body.
Further, distributing fin maximum tilt angle relative to horizontal direction is α, 0 ° of 90 ° of < α <.
Further, the cross section of the distributing fin is arc or linear.
Further, the flow-guiding structure further includes:Fuisw rib, the fuisw rib are set to the distributing fin and with described
Distributing fin tilts upward extension along the direction of the gas inlet to the exhanst gas outlet.
Further, the fuisw rib is multiple and is arranged along the direction orthogonal with the axial direction of the exhanst gas outlet.
Further, the distributing fin is multiple and interval setting along the vertical direction.
Further, multiple distributing fins spaced set in the up-down direction.
Further, the spacing of multiple distributing fins gradually increases or is gradually reduced along direction from top to bottom.
Further, the width of multiple distributing fins is equal to each other.
Further, the width of multiple distributing fins gradually increases or is gradually reduced along direction from top to bottom.
Further, axial direction of the edge of the neighbouring gas inlet of multiple distributing fins in the exhanst gas outlet
Upper concordant setting, or can also exceed the valve body.
Some specific embodiments according to the present invention, the valve body include:First valve body, the exhaust gases passes and the cigarette
Gas import is formed in first valve body, and the non-return structure is set to first valve body;Fixed plate portion, the fixed plate portion are set
It is formed in the fixed plate portion in the first valve body and the exhanst gas outlet;Second valve body, second valve body are set to the fixation
Plate portion and around the exhanst gas outlet be arranged, the flow-guiding structure be set to the fixed plate portion and/or second valve body.
Further, second valve body along the exhanst gas outlet circumferentially extending and second valve body along its length
The midpoint in direction is located at the lowest point of the exhanst gas outlet.
Further, the central angle of second valve body be β, 30 °≤β≤360 °.
Further, the width of second valve body is b, 0mm < b < 100mm.
Embodiment according to the second aspect of the invention proposes that a kind of flue system, the flue system include:Indoor row
Cigarette channel;Common flue;The flute check valve described in embodiment according to the first aspect of the invention, the valve body are connected to institute
It states between indoor discharge flue and the common flue, the exhaust gases passes are logical by the gas inlet and the indoor smoke evacuation
Road is connected to and is connected to the common flue by the exhanst gas outlet.
Flue system according to the ... of the embodiment of the present invention has many advantages, such as that smoke exhaust efficiency is high.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein:
Fig. 1 is the structural schematic diagram of existing flue system.
Fig. 2 is the stereogram of flute check valve according to the ... of the embodiment of the present invention.
Fig. 3 is the sectional view of flute check valve according to the ... of the embodiment of the present invention.
Fig. 4 is the stereogram of the flow-guiding structure of flute check valve according to the ... of the embodiment of the present invention.
Fig. 5 is the sectional view of the flow-guiding structure of flute check valve according to the ... of the embodiment of the present invention.
Fig. 6 is the enlarged drawing of a-quadrant in Fig. 5.
Fig. 7 is the front view of the flow-guiding structure of flute check valve according to the ... of the embodiment of the present invention.
Fig. 8 is the stereogram of the non-return structure of flute check valve according to the ... of the embodiment of the present invention.
Fig. 9 is the side view cutaway drawing of the non-return structure of flute check valve according to the ... of the embodiment of the present invention.
Figure 10 is the stereogram of the non-return structure of flute check valve in accordance with another embodiment of the present invention.
Figure 11 is the side view cutaway drawing of the non-return structure of flute check valve in accordance with another embodiment of the present invention.
Figure 12 is the stereogram according to the non-return structure of the flute check valve of further embodiment of the present invention.
Figure 13 is the side view cutaway drawing according to the non-return structure of the flute check valve of further embodiment of the present invention.
Figure 14 is the stereogram of flue system according to the ... of the embodiment of the present invention.
Figure 15 is the structural schematic diagram of flue system according to the ... of the embodiment of the present invention.
Reference numeral:
The prior art:
Flue system 1 ', range hood 10 ', indoor discharge flue 20 ', flute check valve 30 ', common flue 40 ';
The present invention:
Flue system 1,
Range hood 10, indoor discharge flue 20, flute check valve 30, common flue 40,
Valve body 100, exhaust gases passes 110, gas inlet 120, exhanst gas outlet 130, the first valve body 140, fixed plate portion 150,
Second valve body 160, intermediate incline 170, fixed plate 180, connection ring 190,
Non-return structure 200, shaft 210, valve block 220, stop part 230, the first valve block 240, the second valve block 250,
Flow-guiding structure 300, distributing fin 310, fuisw rib 320.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", "upper", "lower",
The side of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " circumferential direction "
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.In addition, defining " first ", the feature of " second " can be expressed or impliedly wrap
Include one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below with reference to the accompanying drawings flute check valve 30 according to the ... of the embodiment of the present invention is described, which can be public affairs
Flute check valve, the i.e. flute check valve 30 are installed on common flue altogether, are used for indoor flue gas emission to common flue.
As shown in Fig. 2-Figure 15, flute check valve 30 according to the ... of the embodiment of the present invention includes valve body 100, non-return structure 200
With flow-guiding structure 300.
There are valve body 100 exhaust gases passes 110, exhaust gases passes 110 to have gas inlet 120 and exhanst gas outlet 130.For example,
The exhaust gases passes 110 extended along the longitudinal direction are defined in valve body 100, gas inlet 120 is located at the front end of exhaust gases passes 110,
Exhanst gas outlet 130 is located at the rear end of exhaust gases passes 110, such as flue gas fluid can enter exhaust gases passes by gas inlet 120
110, and be discharged from exhanst gas outlet 130 along exhaust gases passes 110.
Non-return structure 200 be set to valve body 100, non-return structure 200 only allows the fluid in exhaust gases passes 110 edge from flue gas into
Mouthfuls 120 to exhanst gas outlet 130 direction one-way flow.In other words, such as flue gas fluid can enter flue gas from gas inlet 120
Channel 110, and be discharged from exhanst gas outlet 130 by non-return structure 200, but the fluid for entering from exhanst gas outlet 130, only
Inverse structure 200 can play the role of blocking, i.e., the fluids such as flue gas can not enter from exhanst gas outlet 130 exhaust gases passes 110 and from
Gas inlet 120 is discharged, and non-return structure 200 plays reverse-filling and fireproof function as a result,.
Flow-guiding structure 300 be set to valve body 100, and flow-guiding structure 300 by the fluid flowed out from exhanst gas outlet 130 guide to
On.Specifically, when there is the fluids such as flue gas to enter exhaust gases passes 110 from gas inlet 120, non-return structure 200 is opened, flue gas
It is discharged from exhanst gas outlet 130 by flow-guiding structure 300, and when flue gas passes through flow-guiding structure 300, flow-guiding structure 300 can draw
It leads flue gas to flow upward, even if the flue gas flowed out from exhanst gas outlet 130 flows upward.
Flute check valve 30 according to the ... of the embodiment of the present invention can not only have both reverse-filling by the way that non-return structure 200 is arranged
And fire-proof function, and it is further integrated with flow-guiding structure 300, to realize diversion function, and then flue gas can be weakened to public affairs
The impact loss of flue altogether, and the flue gas into common flue is made to flow up, avoid flue gas from spreading downwards, guiding flue gas is smooth
Common flue is discharged, and reduces smoke evacuation resistance of the upper-layer user to underlying User, improves the smoke exhaust efficiency of common flue entirety.
Therefore, flute check valve 30 according to the ... of the embodiment of the present invention, while being integrated with the work(of reverse-filling, fire prevention and water conservancy diversion
Energy.
Below with reference to the accompanying drawings flute check valve 30 according to the specific embodiment of the invention is described.
As shown in Fig. 2-Figure 15, flute check valve 30 according to the ... of the embodiment of the present invention includes valve body 100, non-return structure 200
With flow-guiding structure 300.
Wherein, as shown in figure 3, non-return structure 200 is set in exhaust gases passes 110 and neighbouring gas inlet 120 is arranged, water conservancy diversion
Structure 300 is set in exhaust gases passes 110 and neighbouring exhanst gas outlet 130 is arranged.I.e. non-return structure 200 is set to exhaust gases passes 110
Front, flow-guiding structure 300 are set to the rear portion of exhaust gases passes 110, water conservancy diversion effect of the flow-guiding structure 300 to flue gas are improved with this.
Those skilled in the art is it will be understood that non-return structure 200 and flow-guiding structure 300 are set to exhaust gases passes 110
It is interior, refer to that non-return structure 200 and the most of agent structure of flow-guiding structure 300 are set in exhaust gases passes 110, and are not excluded for non-return knot
The partial structurtes of structure 200 and flow-guiding structure 300 stretch out exhaust gases passes 110.
In some specific embodiments of the present invention, as shown in Figure 2 and Figure 4, flow-guiding structure 300 includes distributing fin 310,
Distributing fin 310 tilts upward extension along from gas inlet 120 to the direction of exhanst gas outlet 130, as shown in figure 5, distributing fin
310 maximum tilt angles relative to horizontal direction are α, and 0 ° of 90 ° of < α <, wherein α=50 ° are optimal.Specifically, water conservancy diversion
Fin 310 is set at exhanst gas outlet 130, and distributing fin 310 gradually tilts upwards from front to back to be extended.Distributing fin 310 is to cigarette
The fluids such as gas play the role of guided constraint, can weaken air-flow to the impact loss of common flue and spread downwards, make flue gas
It is discharged to the export direction of common flue, greatly reduces upper layer resident family to the smoke evacuation resistance of resident family of lower layer, weaken different floors
Between influence each other, improve house entirety smoke exhaust efficiency.
Wherein, as shown in Figure 2 and Figure 4, a part for distributing fin 310 is set in exhaust gases passes 110, distributing fin 310
Another part from exhanst gas outlet 130 stretch out exhaust gases passes 110 so that the flue gas after 310 guided constraint of distributing fin is in public affairs
It can rise rapidly in flue altogether.
Further, the part of the stretching exhaust gases passes 110 of distributing fin 310, in the axial direction of exhanst gas outlet 130 and valve
Body 100 is concordantly arranged.In other words, flow-guiding structure 300 does not exceed valve body 100 backward.Flow-guiding structure 300 can be made to be not take up in this way
The space of common flue avoids flow-guiding structure 300 from generating obstruction to the flue gas emission in common flue, to further increase public affairs
The smoke exhaust efficiency of flue altogether.
Certainly, the part of the stretching exhaust gases passes 110 of distributing fin 310 also can be in the axial direction of exhanst gas outlet 130
Exceed valve body 100 outside.
Optionally, as shown in figure 5, the cross section of distributing fin 310 be arc, the cross section of distributing fin 310 it is neighbouring
The tangent line of one end (i.e. rear end) of common flue, maximum tilt angle relative to horizontal direction are α.
Certainly, the present invention is not limited thereto, and the cross section of distributing fin 310 may be linear, i.e. distributing fin 310
For tablet assembling structure.
In some specific examples of the present invention, as Figure 2-Figure 5, distributing fin 310 is multiple and along the vertical direction
Interval setting.Specifically, each distributing fin 310 extends in left-right direction, i.e., the length direction of distributing fin 310 is along left and right
Direction orients, and multiple distributing fins 310 are spaced setting along the vertical direction.Multiple distributing fins 310 are utilized as a result, are improved to cigarette
The guiding amount and boot efficiency of the fluids such as gas.
Optionally, the spaced set in the up-down direction of multiple distributing fins 310, i.e., between adjacent guide fin 310
Apart from equal, multiple distributing fins 310 are uniformly distributed in the up-down direction.Certainly, the spacing of multiple distributing fins 310 can also
Gradually increase or be gradually reduced along direction from top to bottom.
Preferably, multiple distributing fins 310 are uniformly distributed in the up-down direction, to improve the uniformity of water conservancy diversion.
Optionally, the width of multiple distributing fins 310 is equal to each other, and the width of distributing fin 310 is substantially along front and back
Direction and the size extended with the shape of the cross section of distributing fin 310.Certainly, the width of multiple distributing fins 310 can also
Gradually increase or be gradually reduced along direction from top to bottom.
Preferably, the width of multiple distributing fins 310 gradually increases along direction from top to bottom, with the row of further preventing to
The flue gas of common flue is spread downwards.
Along the embodiment that the direction of the width edge of multiple distributing fins 310 from top to bottom gradually increases or is gradually reduced,
The edge of the neighbouring gas inlet 120 of multiple distributing fins 310 is concordantly arranged in the axial direction of exhanst gas outlet 130.It is i.e. multiple to lead
The front end for flowing the cross section of fin 310 is concordantly arranged in the longitudinal direction.
In some specific examples of the present invention, as shown in Figure 2 and Figure 4, flow-guiding structure 300 further includes fuisw rib 320.It leads
Stream muscle 320 is set to distributing fin 310 and is tilted upward along the direction of gas inlet 120 to exhanst gas outlet 130 with distributing fin 310
Extend.For example, fuisw rib 320 is set to the upper surface of distributing fin 310 and extends along the width direction of distributing fin 310.Pass through
Fuisw rib 320 is set on the surface of distributing fin 310, the structural strength of distributing fin 310 can not only be reinforced, and being capable of rectification
Broken whirlpool, the fluid for flowing through distributing fin 310 are more steady.
Further, in order to further increase the diversion function of fuisw rib 320, further increase fluid is guided it is steady
Property, each distributing fin 310 is equipped with multiple fuisw ribs 320, and multiple fuisw ribs 320 are along orthogonal with the axial direction of exhanst gas outlet 130
Direction arrangement, i.e., multiple fuisw ribs 320 are arranged along the length direction interval of distributing fin 310, such as spaced set.
In some specific embodiments of the present invention, as shown in Fig. 2-Fig. 7, valve body 100 includes the first valve body 140, fixes
Plate portion 150 and the second valve body 160.
For first valve body 140 for discharge flue in junction chamber, exhaust gases passes 110 and gas inlet 120 are formed in the first valve
Body 140, non-return structure 200 are set to the first valve body 140.Fixed plate portion 150 is set to the first valve body 140, and suitable for being fixed on wall
On, exhanst gas outlet 130 is formed in fixed plate portion 150.Second valve body 160 is set to fixed plate portion 150, is connect for connecting common flue
Mouthful, the second valve body 160 is arranged around exhanst gas outlet 130, and flow-guiding structure 300 is set to 150 and/or second valve body 160 of fixed plate portion, example
Such as, distributing fin 310 can be set to fixed plate portion 150 and be connected with the second valve body 160.Valve body 100 is convenient for being connected to as a result,
It between indoor discharge flue and common flue, and can be molded with piecemeal, production is more convenient.
Specifically, as shown in Figures 2 and 3, the first valve body 140 is configured to the tubular of both ends open, the first valve body 140
One end form gas inlet 120, fixed plate portion 150 is set to the other end of the first valve body 140.For example, gas inlet 120 is formed
In the front end of the first valve body 140, fixed plate portion 150 is set to the rear end of the first valve body 140, and the second valve body 160 is set to fixed plate portion
150 side back to the first valve body 140 fixes plate portion 150 and is located at the first valve body 140 and the second valve body in the longitudinal direction
Between 160.
More specifically, as shown in Figure 4 and Figure 5, fixed plate portion 150 includes fixed plate 180 and connection ring 190.
Fixed plate 180 is suitable for being fixed on wall.Connection ring 190 is set to fixed plate 180, such as before fixed plate 180
Surface, connection ring 190 are connected with the other end (rear end) of the first valve body 140.
Wherein, fixed plate 180 can be integrally formed with the second valve body 160, to improve structural strength, simplify assembly technology,
It can be detachably connected between first valve body 140 and fixed plate portion 150, to by dismantling the first valve body 140 and fixed plate
Portion 150, so that non-return structure 200 and flow-guiding structure 300 detach, and then easy to repair and cleaning.
In some specific examples of the present invention, as shown in Figure 5 and Figure 6, since common flue interface is usually less than interior
Exit flue, therefore, the interior diameter of the second valve body 160 are less than the interior diameter of fixed plate portion 150, with adapt to common flue interface and
The difference in internal diameters of indoor exit flue ensures the leakproofness that valve body 100 connects, also, the inner peripheral surface and fixed plate of the second valve body 160
It is configured with intermediate incline 170 between the inner peripheral surface in portion 150, so that the air-flow flowed through seamlessly transits, reduces the resistance of air-flow.
Specifically, as shown in Figure 2 and Figure 4, the second valve body 160 is along the circumferentially extending of exhanst gas outlet 130, the second valve body
The midpoint of 160 length direction along the second valve body 160 is located at the lowest point of exhanst gas outlet 130.That is, the second valve body
160 since the lowest point of exhanst gas outlet 130, and circumferential direction of the both ends respectively along exhanst gas outlet 130 upwardly extends, by the second valve body
160 distributing fins 310 surrounded, both ends are connected with the second valve body 160 respectively.Second valve body 160 is playing connection common flue
The effect of interface simultaneously, can also be played the role of preventing flue gas from spreading downwards, and can reinforce the structural strength of distributing fin 310.
Optionally, as shown in figure 5 and figure 7, in the axial plane for being orthogonal to exhanst gas outlet 130, the second valve body 160
Central angle is β, 30 °≤β≤360 °, it may be preferable that β=180 °.Second valve body 160 is in the axial direction (front and back of exhanst gas outlet 130
To) on width be b, 0mm < b < 100mm.It can not only ensure the reliability being connect with common flue interface as a result, but also can protect
Demonstrate,prove the guiding to air-flow and the protecting effect to distributing fin 310.
In some specific embodiments of the present invention, as shown in Fig. 8-Figure 13, non-return structure 200 includes shaft 210, valve block
220 and stop part 230.
Shaft 210 is set in exhaust gases passes 110, such as is installed on the first valve body 140.Valve block 220 is connected to shaft
210, valve block 220 is rotatably arranged in by shaft 210 in exhaust gases passes 110.Stop part 230 is set in exhaust gases passes 110, only
230 backstop of block piece is in the side towards gas inlet 120 of valve block 220.Valve block 220 is configured to by being flowed from gas inlet 120
It opens to the fluid of exhanst gas outlet 130 and is closed by its own gravity.
Specifically, after having the fluids such as flue gas to enter exhaust gases passes 110 from gas inlet 120, air-flow can push valve block open
220, so that valve block 220 is opened exhaust gases passes 110, flue gas drains into common flue by exhanst gas outlet 130.When do not have the fluids such as flue gas from
When gas inlet 120 enters exhaust gases passes 110, valve block 220 resets under the effect of gravity, to close exhaust gases passes 110,
And at this time since valve block 220 is by the backstop of stop part 230, even if the flue gas in common flue enters cigarette from exhanst gas outlet 130
Gas channel 110 can not also push valve block 220 open, to play reverse-filling and fireproof function.
In some specific examples of the present invention, as shown in Figure 8 and Figure 9, shaft 210 is horizontally extending and is located at cigarette
The top in gas channel 110, i.e. shaft 210 are located at the top at the midpoint of 110 upper and lower directions of exhaust gases passes, and valve block 220 is one whole
The shape adaptation of body and shape and the cross section of exhaust gases passes 110, it is for example, round, thus constitute single valve piece non-return structure.
In other specific examples of the present invention, as shown in Figure 10-Figure 13, shaft 210 vertically extends, valve block
The shape adaptation of 220 shape and the cross section of exhaust gases passes 110, valve block 220 are split type, including the first valve block 240 and the
Two valve blocks 250, for example, the first valve block 240 and the second valve block 250 are respectively semicircle, the first valve block 240 and the second valve block 250
It is rotatably arranged in exhaust gases passes 110 by shared shaft 210 respectively, composition circular piece to close jointly when the two is closed
Thus exhaust gases passes 110 constitute double valve sheet non-return structure.
Optionally, as shown in Figure 10 and Figure 11, the first valve block 240 and the second valve block 250 are tabular, when air-flow passes through
Resistance it is smaller, and be evenly distributed.
Preferably, as shown in Figure 12 and Figure 13, the first valve block 240 and the second valve block 250 are respectively to gas inlet 120 1
Side is protruded spherical, i.e. the first valve block 240 and the second valve block 250 are respectively configured to streamlined, when the first valve block 240 and second
When valve block 250 is opened, the two interlocks and is integrally formed the structure of outer surface streamlining, be not only evenly distributed when air-flow passes through,
Resistance smaller, and can reduce and generate fluid separation when air-flow passes through, in addition, by the first valve block 240 and the second valve block 250
Air-flow be more favorable for the guiding of flow-guiding structure 300, to further increase water conservancy diversion effect.
Below with reference to the accompanying drawings flue system 1 according to the ... of the embodiment of the present invention is described.
As shown in Figure 14 and Figure 15, flue system 1 according to the ... of the embodiment of the present invention includes indoor discharge flue 20, public cigarette
Road 40 and flute check valve 30.
Indoor discharge flue 20 is set to interior, such as in kitchen.Common flue 40 can vertically extend.Flue stops
The valve body 100 for returning valve 30 is connected between indoor discharge flue 20 and common flue 40, and exhaust gases passes 110 pass through gas inlet
120 are connected to indoor discharge flue 20, and exhaust gases passes 110 are connected to by exhanst gas outlet 130 with common flue 40.
In some specific examples of the present invention, indoor discharge flue 20 is suitable for being connected with range hood 10, and valve body 100 is pacified
Loaded on the wall between indoor discharge flue 20 and common flue 40, to fix flute check valve 30.
Flue system 1 according to the ... of the embodiment of the present invention, by using flute check valve according to the above embodiment of the present invention
30, it not only has both flue gas and pours in down a chimney and fire-proof function, but also smoke evacuation resistance of the upper-layer user to underlying User can be reduced, to
Have many advantages, such as that smoke exhaust efficiency is high.
Other compositions of flute check valve 30 and flue system 1 according to the ... of the embodiment of the present invention and operation etc. are for ability
All it is known for the those of ordinary skill of domain, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (20)
1. a kind of flute check valve, which is characterized in that including:
Valve body, the valve body is with exhaust gases passes and the exhaust gases passes are with gas inlet and exhanst gas outlet;
Non-return structure, the non-return structure are set to the valve body and only allow fluid in the exhaust gases passes along from the flue gas
Import to the exhanst gas outlet direction one-way flow;
Flow-guiding structure, the flow-guiding structure are set to the valve body and guide the fluid flowed out from the exhanst gas outlet upward.
2. flute check valve according to claim 1, which is characterized in that the non-return structure is set in the exhaust gases passes
And the neighbouring gas inlet is arranged, the flow-guiding structure is set in the exhaust gases passes and the neighbouring exhanst gas outlet is arranged.
3. flute check valve according to claim 1, which is characterized in that the flow-guiding structure includes:
Distributing fin, the distributing fin edge tilt upward extension from the gas inlet to the direction of the exhanst gas outlet.
4. flute check valve according to claim 3, which is characterized in that a part for the distributing fin is set to the cigarette
In gas channel and another part stretches out the exhaust gases passes from the exhanst gas outlet.
5. flute check valve according to claim 4, which is characterized in that the stretching exhaust gases passes of the distributing fin
Part it is concordant with the valve body in the axial direction of the exhanst gas outlet be arranged, or exceed the valve body.
6. flute check valve according to claim 3, which is characterized in that the distributing fin is relative to horizontal direction most
Big angle of inclination is α, 0 ° of 90 ° of < α <.
7. flute check valve according to claim 3, which is characterized in that the cross section of the distributing fin is for arc or directly
It is linear.
8. flute check valve according to claim 3, which is characterized in that the flow-guiding structure further includes:
Fuisw rib, the fuisw rib are set to the distributing fin and with the distributing fin along the gas inlet to the flue gas
The direction of outlet tilts upward extension.
9. flute check valve according to claim 8, which is characterized in that the fuisw rib is multiple and edge and the flue gas
The direction that the axial direction of outlet is orthogonal arranges.
10. flute check valve according to claim 3, which is characterized in that the distributing fin is multiple and vertically square
It is arranged to interval.
11. flute check valve according to claim 10, which is characterized in that multiple distributing fins are in the up-down direction
Spaced set.
12. flute check valve according to claim 10, which is characterized in that the spacing of multiple distributing fins is along from upper
Direction under gradually increases or is gradually reduced.
13. flute check valve according to claim 10, which is characterized in that the width of multiple distributing fins phase each other
Deng.
14. flute check valve according to claim 10, which is characterized in that the width of multiple distributing fins is along from upper
Direction under gradually increases or is gradually reduced.
15. flute check valve according to claim 14, which is characterized in that the neighbouring cigarette of multiple distributing fins
The edge of gas import is concordantly arranged in the axial direction of the exhanst gas outlet.
16. according to the flute check valve described in any one of claim 1-15, which is characterized in that the valve body includes:
First valve body, the exhaust gases passes and the gas inlet are formed in first valve body, and the non-return structure is set to institute
State the first valve body;
Fixed plate portion, the fixed plate portion is set to the first valve body and the exhanst gas outlet is formed in the fixed plate portion;
Second valve body, second valve body are set to the fixed plate portion and are arranged around the exhanst gas outlet, and the flow-guiding structure is set
In the fixed plate portion and/or second valve body.
17. flute check valve according to claim 16, which is characterized in that second valve body is along the exhanst gas outlet
The midpoint along its length of circumferentially extending and second valve body is located at the lowest point of the exhanst gas outlet.
18. flute check valve according to claim 17, which is characterized in that the central angle of second valve body be β, 30 °
≤β≤360°。
19. flute check valve according to claim 16, which is characterized in that the width of second valve body is b, 0mm < b
< 100mm.
20. a kind of flue system, which is characterized in that including:
Indoor discharge flue;
Common flue;
According to the flute check valve described in any one of claim 1-19, the valve body be connected to the indoor discharge flue and
Between the common flue, the exhaust gases passes are connected to and with the indoor discharge flue by described by the gas inlet
Exhanst gas outlet is connected to the common flue.
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CN201810258597.8A CN108468838B (en) | 2018-03-27 | 2018-03-27 | Flue check valve and flue system with same |
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CN201810258597.8A CN108468838B (en) | 2018-03-27 | 2018-03-27 | Flue check valve and flue system with same |
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CN108468838B CN108468838B (en) | 2024-04-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113483127A (en) * | 2021-07-02 | 2021-10-08 | 江苏瑞雨斯环保科技有限公司 | Composite material special-shaped air pipe check valve for circular gas transmission pipeline |
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CN106523744A (en) * | 2016-12-29 | 2017-03-22 | 天津市金中基暖通净化设备有限公司 | Flue non-return valve |
CN208107240U (en) * | 2018-03-27 | 2018-11-16 | 广东美的厨房电器制造有限公司 | Flute check valve and flue system with it |
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Publication number | Priority date | Publication date | Assignee | Title |
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FR2442354A2 (en) * | 1978-11-24 | 1980-06-20 | Roustand Andre | Aerodynamic energy generator using solar heat - has condensation collecting slots along vertical chimney, and contg. non-return valves to prevent cold air entry |
CN2444022Y (en) * | 2000-06-16 | 2001-08-22 | 聂法玉 | Preventing cross flue pipe |
CN2557819Y (en) * | 2002-07-26 | 2003-06-25 | 沈惠贤 | Check valve for flue |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113483127A (en) * | 2021-07-02 | 2021-10-08 | 江苏瑞雨斯环保科技有限公司 | Composite material special-shaped air pipe check valve for circular gas transmission pipeline |
CN113483127B (en) * | 2021-07-02 | 2023-04-14 | 江苏瑞雨斯环保科技有限公司 | Composite material special-shaped air pipe check valve for circular gas transmission pipeline |
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