CN205779917U - Flow passage structure and range hood and spiral case thereof - Google Patents
Flow passage structure and range hood and spiral case thereof Download PDFInfo
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- CN205779917U CN205779917U CN201620781111.5U CN201620781111U CN205779917U CN 205779917 U CN205779917 U CN 205779917U CN 201620781111 U CN201620781111 U CN 201620781111U CN 205779917 U CN205779917 U CN 205779917U
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Abstract
A kind of flow passage structure, including: first-class body source, including the first flow with the first opening；Second body source, including second runner with the second opening, also include single converting member, it is rotatably arranged between the first opening, the second opening, first row outlet and second row outlet, and reciprocating rotation between the first position and the second position, in primary importance, the closure second row outlet of single converting member and the first opening and the second opening all with first row outlet；In the second position, the closure first row outlet of single converting member and the first opening and the second opening all with second row outlet.Also disclose range hood and spiral case thereof.This technical scheme can realize the conversion of different mode simultaneously Complete Synchronization.
Description
Technical field
This utility model relates to the flow path designs field of fluid, in particular it relates to a kind of flow passage structure and including
The fan assembly of this flow passage structure and the range hood including this fan assembly.
Background technology
Flow passage structure design all relates in multiple technologies field, the flow path designs of hydraulic oil in such as Hydraulic Field, boat
Designing based on aerodynamic gas flow path in empty field, in machine for kitchen use field, the gas flow path in range hood sets for another example
Meter.In these areas, flow passage structure design has important even crucial effect for the functional realiey of its corresponding device.
It is known, for example, that range hood (that is, smoke exhaust ventilator) is the important electric equipment for kitchen environment.Logical
Often, range hood is arranged on above the cooking stove in kitchen, for by cooking stove burn refuse and cooking process in produce to human body
Harmful gas (can contain oil smoke) is taken away rapidly, outside discharge chamber, thus reduces the pollution to indoor environment.Existing some
In the range hood of type, outside the mode of operation with external exhaust gas (arranging in addition to Jian Chenging), also there is interior circulation Working mould
Formula, as shown in Figure 1.In this interior circulating working mode, the gas that can be aspirated by range hood is through filtering and/or at purification
After reason, it is expelled back into again indoor.Further, according to different service conditions, can arrange between pattern and interior circulation pattern mutual outside
Conversion.
Meanwhile, in current range hood, in order to obtain enough suction forces, it is both provided with greatly two for suction
Blower fan.Therefore, when realizing above-mentioned patten transformation, need to consider the asking of air channel how implementation pattern conversion of two blower fans simultaneously
Topic.To this end, in the prior art, for having the double mode range hood of outer row's pattern and interior circulation pattern, have been devised by
Multiple technologies scheme.
Chinese patent publication CN102261690A discloses row and internal circulation type thin smoke exhaust ventilator outside one, such as figure
Shown in 2 and Fig. 3.In two air channels 5 that two sucktion fans are connected, it is respectively arranged with rotating deep bead 7, wherein:
In the state shown in Fig. 2, air channel 5 is all cut off by deep bead 7 opens, so that air channel 5 connects with outer exhaust outlet 6 respectively, and with
Interior circulating air opening does not connects, to arrange pattern outside realizing；In the state shown in Fig. 3, the deep bead 7 after rotating is connected to each other
, thus outer exhaust outlet 6 is closed together, and make air channel be respectively communicated with in interior circulating air opening, with circulation pattern in realizing.
Obviously, in the scheme of CN102261690A, mould is arranged outside being realized by respective deep bead 7 respectively in two air channels 5
Formula and the conversion of interior circulation pattern.This results in the problem easily occurring that two deep beads can not work asynchronously.Specifically, very
It is likely to occur a deep bead and is in the position of outer row's pattern, and another deep bead is in the position of interior circulation pattern, thus lead
Cause smoke exhaust ventilator and can not be in the duty of normal reliable.Even if or two deep beads can cooperating, but by
Carried out the conversion of control model in two air channels respectively by respective deep bead, the most easily occur that the flow area in two air channels occurs
Difference, thus cause the inhomogeneities in two air channels.
Chinese patent publication CN105091058A discloses a kind of spiral case for range hood, such as Fig. 4-6 institute
Show.This spiral case includes set casing portion 240 and mobile shell portion 250, and mobile shell portion 250 can be relative to set casing portion in closed position
And move between open position, wherein, Fig. 4 show closed position, and Fig. 5 show open position.Under the state of closed position,
Wind in air channel is discharged to outdoor from spiral case exhaust outlet 230；Under open position state, limit between mobile shell portion and set casing portion
Surely recycle air port 260, then the wind in air channel recycles air port 260 to indoor discharge by this.
In the technical scheme of CN105091058A, as shown in Figure 6, shell portion 250 is moved for being respectively allocated to different air channel
Two mobile shell portions, and it is mobile to make mobile shell portion 250 rotate by pivotal axis 251 respectively, thus the conversion of implementation pattern.Aobvious
So, there is also (potential) technical problem similar to CN102261690A in this scenario.
In view of this, for the situation of translative mode while of having different fluid passage, guarantee synchronicity the most reliably, become
For the technical issues that need to address.
Utility model content
The purpose of this utility model is to provide a solution, needs transformation working pattern simultaneously at different fluid passage
Time, it is possible to realizing the synchronicity of each fluid passage, i.e. each fluid passage can the conversion of reliably and synchronously implementation pattern.
According to the application, it is provided that a kind of flow passage structure, this flow passage structure includes:
First-class body source, this first-class body source includes the first flow with the first opening；
Second body source, this second body source includes second runner with the second opening；And
First row outlet and second row export, and the outlet of this first row and second row outlet are opened with described first opening and second
Mouth is neighbouring to be arranged；
Wherein, described flow passage structure also includes single converting member, and this single converting member is rotatably arranged in described
Between the outlet of first opening, the second opening, first row and second row outlet, and can be between primary importance A and second position B
Reciprocating rotation,
In described primary importance A, described single converting member blocks the outlet of described second row and described first opening and the
Two openings all with described first row outlet；
In described second position B, described single converting member blocks the outlet of described first row and described first opening and the
Two openings all with described second row outlet.
Preferably, described first opening has the first edge relative to each other and the second edge, and this second opening has phase
To the 3rd edge and the 4th edge, wherein, between described first edge and the 3rd edge limit formed described first row outlet,
Limit between described second edge and the 4th edge and form the outlet of described second row, described first opening, the second opening, first row
Outlet and second row outlet are arranged on the same plane being perpendicular to described single converting member rotation axis, along described single
On the rotation axis direction of converting member, described first edge, the second edge, the 3rd edge and the 4th edge are positioned at one with one heart
On circle, this concentrically ringed center of circle is positioned on the rotation axis of described single converting member.
Preferably, described single converting member includes the first guide plate and the second guide plate, in described primary importance A, institute
State described second edge of conflict, edge of the first guide plate, described 4th edge of conflict, edge of described second guide plate, thus
Block the outlet of described second row；In described second position B, conflict described 3rd edge in the edge of described first guide plate, described
Described first edge of conflict, edge of the second guide plate, thus block the outlet of described first row.
Preferably, described single converting member also includes the 3rd guide plate, described first guide plate, the second guide plate and
Three guide plates form trident starriness.
Preferably, in the rotation process of described single converting member, described 3rd guide plate not with described first edge,
Second edge, the 3rd edge and the 4th edge interfere.
Preferably, it is connected by the first guide surface of indent between described first guide plate with described 3rd guide plate；Institute
State and be connected by the second guide surface of indent between the second guide plate with described 3rd guide plate；And/or described first guide plate
With second connected by the 3rd guide surface of indent between guide plate.
Preferably, described single converting member is formed as hollow structure.
Preferably, described single converting member is formed with centrosymmetric cross sectional shape.
Preferably, the edge of described first guide plate and/or the edge of the second guide plate are provided with sealing member or elastic component.
According to the another aspect of the application, additionally providing the spiral case of a kind of range hood, this spiral case includes:
First air channel, this first air channel is for connecting with the first blower fan；
Second air channel, this second air channel is for connecting with the second blower fan；
Outer row air port, this outer row air port is formed at the rear portion of described spiral case；
Circulation exhaust outlet, this circulation exhaust outlet is formed at the front portion of described spiral case；
Wherein, described spiral case also includes that above-mentioned flow passage structure provided herein, described first air channel are described first
Runner, described second air channel is described second runner, and described circulation exhaust outlet is the outlet of described first row, described outer row air port
Export for described second row.
Preferably, the rotary shaft of described single converting member extends through described spiral case and is formed with operating portion.
Preferably, described spiral case is provided with driving means, and this driving means is for driving the rotation of described single converting member
The rotation of rotating shaft.
Preferably, described spiral case is additionally provided with mode selector and controller, this mode selector and described control
Device electrically connects, and this controller electrically connects with described driving means, and described mode selector is for by selected mode of operation
Information be sent to described controller, this controller controls described driving means according to acquired described information and drives described rotation
Axis of rotation, and make described single converting member be in selected mode of operation.
According to the another further aspect of the application, additionally provide a kind of range hood, this range hood include cigarette casing body, first
Blower fan, the second blower fan and spiral case provided herein.
In the technical scheme of the application, the control of fluid flow direction is to be realized by single converting member, and not
It is that two fluid sources are respectively provided with respective control parts and realize.Therefore, by controlling the rotation of single converting member, with regard to energy
Enough conversions simultaneously realizing different mode Complete Synchronization.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, with following
Detailed description of the invention be used for explaining this utility model together, but be not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is outer row's pattern and the schematic diagram of interior circulation pattern representing range hood；
Fig. 2 to Fig. 3 is the schematic diagram of a kind of worm frame for range hood in prior art；
Fig. 4 to Fig. 6 is the schematic diagram of the another kind of worm frame for range hood in prior art；
Fig. 7 is the schematic diagram of the flow passage structure according to the application, and the most single converting member is in primary importance A；
Fig. 8 is the schematic diagram of the flow passage structure according to the application, and the most single converting member is in second position B；
A-c in Fig. 9 is respectively the schematic diagram of three kinds of different structure forms of single converting member；
Figure 10 is the schematic perspective view of the single converting member of a in Fig. 9；
Figure 11 is the schematic diagram of the worm frame according to the application preferred implementation, and the most single converting member is positioned at
One position A；
Figure 12 is to represent the schematic diagram of airflow direction in Figure 11；
Figure 13 is the schematic perspective view of the worm frame of Figure 11；
Figure 14 is the schematic diagram of the worm frame according to the application preferred implementation, and the most single converting member is positioned at
Two positions are the schematic diagram of the worm frame according to the application preferred implementation, and the most single converting member is positioned at primary importance
B；
Figure 15 is to represent the schematic diagram of airflow direction in Figure 14；
Figure 16 is the schematic perspective view of the worm frame of Figure 14；
Figure 17 is the decomposing schematic representation representing the fan assembly for range hood according to the application preferred implementation；
Figure 18 is the schematic diagram of operating portion in Figure 17；
Figure 19 is the sectional perspective schematic diagram of the range hood according to the application preferred implementation.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It should be appreciated that herein
Described detailed description of the invention is merely to illustrate and explains this utility model, is not limited to this utility model.
As shown in Figure 7 and Figure 8, include according to flow passage structure of the present utility model: first-class body source 11, this first-class body source
11 include the first flow with the first opening 12；Second body source 13, this second body source 13 includes having the second opening 14
The second runner；And first row outlet 15 and second row export 16, this first row outlet 15 and second row outlet 16 and first
Opening 12 and the second neighbouring setting of opening 14.
In this application, the major function of flow passage structure is that the flowing realizing fluid controls, the especially control of flow direction
System.This technical scheme is applicable to gas or liquid, but is particularly suited for the control of gas flowing, hereinafter will more specifically be applicable to
Range hood field to be described.
First-class body source 11 supplies fluid by first flow, and second body source 13 is by the second runner supply fluid, all
Gas or liquid can be supplied.First opening 12 of first flow is generally of the cross sectional form of rectangle, and the second of the second runner is opened
Mouth 14 has the structure design similar to the first opening 12.But the application is not limited to this, in the premise realizing the application purpose
Under, the first opening and the second opening can also have other shape of cross section, as circular or oval.First row outlet 15 Hes
Second row outlet 16 is for optionally discharging the fluid coming from first-class body source and second body source, and this first row exports
15 and second row outlet 16 and the first opening 12 and the second neighbouring setting of opening 14, thus shape between each outlet and opening
Become the space for controlling fluid flow direction.
Specifically, in this application, as shown in Figure 7 and Figure 8, in described space, single converting member 100 it is provided with,
This single converting member 100 is rotatably arranged in first opening the 12, second opening 14, first row outlet 15 and second row outlet
Between 16, and can between primary importance A and the second position B reciprocating rotation, to control to come from the first opening and second and open
The fluid of mouth flows to first row outlet, still flows to second row outlet.Single converting member 100 can by rotary shaft 24 (as
Shown in Fig. 9) it is rotatably mounted.Wherein: in primary importance A as shown in Figure 7, single converting member 100 blocks the second discharge
Mouth 16 and the first opening 12 all connect with first row outlet 15 with the second opening 14, thus allow to come from the first opening and second
The fluid of opening flows to first row outlet, and does not flow to second row outlet；At second position B described in Fig. 8, single converting member
100 closure first row outlets 15 and the first opening 12 all connect with second row outlet 16 with the second opening 14.
Although in the application embodiment illustrated, the outlet of the first opening, the second opening, first row and second row outlet
It is arranged in the same plane being perpendicular to single converting member rotation axis, but the application is not limited to this, each opening and row
Outlet can also carry out the layout of space multistory, can utilize such as spherical single closeouts accordingly, by this spherical envelope
Blocking piece designs different passages to realize above-mentioned purpose and function.
In the technical scheme of the application, the control of fluid flow direction is realized by single converting member.This
Compared with the prior art mentioned in background technology, there is significant difference and advantage.First, in this application, utilize single
Converting member realizes the conversion of flow direction, and is not that two fluid sources are respectively provided with respective control parts and realize.Cause
This, by controlling the rotation of single converting member, it becomes possible to realize the conversion of different mode simultaneously Complete Synchronization.Additionally, work as
When being in primary importance or the second position, it is possible to guarantee to a greater extent to come from first-class body source and the fluid of second body source
Flow keeps consistent, thus obtains the uniformity of more preferable fluid flowing.Thus, utilize the technical scheme of the application, for
While different fluid sources can realize fluid flow direction control Complete Synchronization, it is also possible to make the defeated of various flows body source
Send the uniformity that flow holding is good.
As shown in Figure 7 and Figure 8, it is preferable that the first opening 12 has the first edge 121 and the second edge relative to each other
122, the second opening 14 has the 3rd relative edge 141 and the 4th edge 142, wherein, is opening with the first opening 12 and second
Mouth 14 adjacent positions, limit formation and connect with the first passing away (unmarked) between the first edge 121 and the 3rd edge 141
First row outlet 15, between the second edge 122 and the 4th edge 142 limit formed connect with the second passing away (unmarked)
Second row outlet 16.First row outlet 15 can have similar with the first opening 12 and the second opening 14 with second row outlet 16
Structure design.The space formed between the first opening, the second opening, first row outlet and second row outlet, can be arranged
Shifter realizes the control of fluid flow direction.Edge can be understood as the less wall of thickness (as shown in Figure 7 and Figure 8),
So that as close together between the first opening 12 and second row outlet 16；Or edge is it can be appreciated that thickness is thicker
Wall, so that as there is a certain distance between the first opening 12 and second row outlet 16.
With reference to the preferred implementation of Fig. 7 and Fig. 8, first opening the 12, second opening 14, first row outlet 15 and second row
Outlet 16 is arranged on the same plane being perpendicular to single converting member rotation axis, in the rotation along described single converting member
(i.e. look up from the side overlooking described plane) on axis direction, the first edge 141, the 121, second edge the 122, the 3rd, edge
Being positioned at (dotted line as shown in Figure 12 and Figure 15) on a concentric circular with the 4th edge 142, this concentrically ringed center of circle is positioned at described
On the rotation axis of single converting member.
In this preferred implementation, the substantially planar distribution of each stream.In order to be adapted to single converting member
Rotating, the first edge to the 4th edge is positioned on a concentric circular with the center of rotation of single rotatable parts as the center of circle, thus
Along with the rotation of single converting member, this single converting member is made to form different matching relationships from each edge, to realize stream
The control of body flow direction.In the case of in this embodiment it is preferred that, the first edge is permissible to the 4th edge location
Being connected to become rectangle with virtual line, the most as shown in Figure 7 and Figure 8, the first opening 12 and the second opening 14 are positioned opposite to each other, with
Time first row outlet 15 and second row to export 16 positioned opposite to each other.As it has been described above, the application is not limited to this, it is also possible to design
There is the version of space spatial arrangement.It addition, in this preferred implementation, each edge designs is along single converting member
The wall that rotation axis direction extends.Similarly, by the operation of single converting member, it becomes possible to Complete Synchronization ground realizes not simultaneously
Conversion with pattern.
By above-mentioned analysis, in the technical scheme of the application, single converting member is critical component.According to difference
Structure design form, single converting member can have correspondence design.Such as, as it has been described above, single converting member is permissible
It is designed as the chondritic form with multiple hollow channel.Flow passage structure for plane distribution designs situation, single conversion
Parts can be designed as the form of " windmill ", arranges the structure of blade (guide plate) the most on the rotary shaft.
Such as, single converting member 100 can be designed as extend in a radial direction out two supported by rotary shaft 24
The structure of tabular guide plate, as shown in the b of Fig. 9.Specifically, single converting member 100 includes the first guide plate 17 and second
Guide plate 18, in primary importance A, conflict the second edge 122 in the edge of the first guide plate 17, conflicts in the edge of the second guide plate 18
4th edge 142, thus block second row outlet 16；At second position B, conflict the 3rd edge, edge of the first guide plate 17
141, conflict the first edge 121 in the edge of the second guide plate 18, thus blocks first row outlet 15, as shown in Figure 7 and Figure 8.Need
It should be noted that in the embodiment shown in a and Figure 10 of Fig. 7 and Fig. 8 and Fig. 9, single converting member 100 also includes
Three guide plates 19, first guide plate the 17, second guide plate 18 and the 3rd guide plate 19 form trident starriness, as Fig. 9 (a and
C) and Figure 10 shown in.
It is to say, the version with the 3rd guide plate 19 is preferred scheme.The first guiding when only tabular
When sheet and the second guide plate, it is also possible to for the technical scheme of the application.It is understood that for the guide plate of two tabulars
Design form, structure is relatively simple, and cost is the lowest.The first guide plate 17 and the second guide plate 18 is utilized to connect formation
Single converting member 100, when primary importance A, can block second row outlet 16, and keep the first opening and the second opening equal
It is communicated in first row outlet 15；When second position B, the first guide plate 17 and the second guide plate 18 can block first row outlet
15, and keep the first opening and the second opening to be all communicated in second row outlet 16.
In a preferred embodiment, each edge is the wall extended along single converting member rotation axis direction, therefore
When mutually conflicting in the edge at corresponding guide plate edge with each opening, in substance form linear sealing therebetween, from
And realize plugging effect.Under preferable case, in order to obtain better seal, sealing member or elasticity can be provided with at each edge
Part (not shown).It is further preferred that in view of property easy to assembly, at edge and/or second guide plate of the first guide plate 17
The edge of 18 is provided with sealing member or elastic component.Sealing member can be a lot of fur bar or sealing gasket etc., and elastic component can be by
The bars that elastomeric material (such as rubber) is made.
In the preferred implementation being provided with the 3rd guide plate 19, owing to there is the 3rd guide plate 19, for flowing
For fluid, it is possible to a certain extent by be respectively from the fluid of the first opening 12 relative to each other and the second opening 14 every
Come absolutely, mutually support punching with prevent from producing before the two, and then the flowing of beneficially fluid.It addition, for single converter section
For part 100, by the setting of the 3rd guide plate 19, make to be respectively from the fluid of the first opening 12 and the second opening 14 simultaneously
Act on the both sides of the 3rd guide plate 19 in both direction, thus utilize the pressure of fluid to realize single converting member 100
Firm, be maintained at primary importance A or second position B of duty with the most single converting member 100.
3rd guide plate 19 can have and the first guide plate 17 and the second same or similar shape of guide plate 18, permissible
For platy structure, as shown in the c of Fig. 9.It addition, rotate the duty that needs rotate, preferably to meet single converting member
Ground, in the rotation process of single converting member, the 3rd guide plate 19 not with the first limit, the 121, second edge the 122, the 3rd, edge
Edge 141 and the 4th edge 142 interfere.Here, what is called interferes and refers to that the 3rd guide plate 19 can be with corresponding edge
Mutually collision also and then can not allow single converting member to rotate easily.Owing to the effect of the 3rd guide plate 19 mainly guides
The flowing of fluid, is not mainly used in playing the effect of closing, and therefore the radial dimension of the 3rd guide plate 19 is (i.e. from rotary shaft 24
The length that radially direction extends) it is usually more than the first guide plate 17 and radial dimension of the second guide plate 18.
In order to guide the flowing of fluid further, under preferable case, as shown in a and Figure 10 of Fig. 9, the first guide plate 17 with
Connected by the first guide surface 21 of indent between 3rd guide plate 19；Pass through between second guide plate 18 and the 3rd guide plate 19
Second guide surface 22 of indent connects；And/or first between guide plate 17 and the second guide plate 18 by the 3rd guiding of indent
Face 23 connects.In other words, in all can being provided with between the guide plate that any two in above three guide plate is adjacent
Recessed guide surface.
It is been described by as a example by the situation being in primary importance A shown in Fig. 7.At the first guide plate 17 and the 3rd guide plate
Being provided with the first guide surface 21 of indent between 19, so-called indent refers to the radial direction of the rotary shaft 24 at single converting member 100
Caving in (as shown in Figure 9) from outside to inside in direction, utilizes this first guide surface 21, and the fluid coming from the first opening 12 is able to
First row outlet 15 is entered swimmingly under the guiding of one guide surface 21.Similarly, at the second guide plate 18 and the 3rd guide plate 19
Between can also be provided with the second guide surface 22 of indent, in the scheme shown in Fig. 7, the fluid coming from the second opening 14 obtains
To smoothly flow therein first row outlet 15 under the guiding of the second guide surface 22.Draw it is highly preferred that be designed with above-mentioned first simultaneously
Guide face 21 and the second guide surface 22.Similar with the situation being in primary importance A, when single converting member 100 is in second position B
Time, the first guide surface 21 and/or the second guide surface 22 play the effect guiding smooth fluid to enter second row outlet 16 equally.
Preferably, the 3rd guide surface 23 is formed between the first guide plate 17 and the second guide plate 18, either first
The situation of position A, or the situation in second position B, the 3rd guide surface 23 does not directly come in contact with fluid.3rd guides
The Main Function in face 23 is to connect the first guide plate 17 and the second guide plate 18, thus it is strong to play the single converting member structure of reinforcement
The effect of degree.Meanwhile, the 3rd guide surface 23 is concave inward structure, thus forms the whole of relative symmetry on the basis of trident starriness
Shape, the manufacturability good to obtain single converting member.It is highly preferred that as shown in Figure 10, single converting member is formed
There is centrosymmetric cross sectional shape.
Single converting member can have the structure of unitary solid, but under preferable case, it is also possible to it is designed as that there is hollow
Structure, as shown in Figure 10, to alleviate overall weight, reduces manufacturing cost.More preferably, as shown in Figure 10, at hollow structure
In situation, between rotary shaft 24 and wall, it is provided with connection rib (mark), single converter section can be strengthened by this connection rib
The overall construction intensity of part.On the axial direction along rotary shaft 24, single converting member 100 has predetermined height, generally
Single converting member 100 has identical shape of cross section.
Flow passage structure based on technical scheme described in detail above.It is described below in detail and utilizes this flow passage structure
The spiral case 300 for range hood of design, as shown in Figure 11 to Figure 16, spiral case 300 includes: the first air channel 301, this first wind
Road 301 is for connecting with the first blower fan 306；Second air channel 302, this second air channel 302 is for connecting with the second blower fan 307；Outward
Portion's exhaust outlet 303, this outer row air port 303 is formed at the rear portion of described spiral case；Circulation exhaust outlet 304, this circulation exhaust outlet 304
It is formed at the front portion of described spiral case；Wherein, described spiral case also includes above-mentioned flow passage structure provided herein, described first wind
Road 301 is described first flow, and described second air channel 302 is described second runner, and described circulation exhaust outlet 304 is described first
Outlet 15, described outer row air port 303 is described second row outlet 16.Here, so-called rear portion refers to exist at range hood
The direction of user dorsad in use state, front portion is then the direction towards user.
Comparison Fig. 7 and Fig. 8 understands, and the scheme of Figure 11 and Figure 12 is added with two blower fans.This blower fan is used for providing suction air
Power, thus the oil smoke suction produced during by being positioned at the air inlet (not shown) bottom range hood by culinary art is come in, then warp
After crossing above-mentioned first air channel and the second air channel, discharged by outer row air port or circulation exhaust outlet.The selection of blower fan and setting, with
And the basic structure of range hood and operation principle are referred to traditional range hood.
Hereinbefore, provided herein flow passage structure and operation principle thereof are described in detail.It is being applied to suction
In the technical scheme of lampblack absorber, when single converting member 100 is in primary importance A, the first air channel 301 and the second air channel 302
Do not connect with outer row air port 303, and all connect with circulation exhaust outlet 304, thus by the wind model of suction to circulating air draft
Mouth 304, makes range hood be in interior circulation pattern, as shown in Figure 11, Figure 12 and Figure 13.
When single converting member 100 is in second position B, the first air channel 301 and the second air channel 302 and circulation exhaust outlet
304 do not connect, and all connect with outer row air port 303, thus by the wind model of suction to outer row air port 303, make oil suction
Cigarette machine is in outer row's pattern, as shown in Figure 14, Figure 15 and Figure 16.The conversion of above two pattern can pass through single converter section
The rotation of the rotary shaft 24 of part 100 realizes.
For the ease of the operation to single converting member 100, as shown in Figure 17 and Figure 18, the rotation of single converting member 100
Rotating shaft 24 extends through described spiral case and is formed with operating portion 25.In a state of use, this operating portion 25 generally protrudes from oil suction
The bottom of cigarette machine, in order to user of service operates with.Operating portion 25 is fixing with rotary shaft 24 to be connected, therefore when rotating operation portion
When 25, it is possible to order about rotary shaft 24 and rotate, thus drive single converting member unitary rotation, so that two air channels are the most synchronously
Realize the conversion of different mode.
Operating portion 25 can have a various ways, and such as, operating portion 25 can be for knob or swing handle (such as Figure 17 and Figure 18 institute
Show).This operating portion can be integrally formed with rotary shaft 24, it is also possible to is fixedly installed in rotary shaft 24 for single parts.Behaviour
The material making portion 25 can be metal material, it is also possible to be made up of non-metallic material, such as plastics.About specifically setting of operating portion 25
Meter can be selected to be suitable for according to concrete operating mode.
Under preferable case, described spiral case is provided with driving means, and this driving means is used for driving described single converting member
The rotation of rotary shaft 24.By startup and the closedown of this driving means, it is possible to automatically realize single converting member is driven
Dynamic rotation.Driving means can be suitable motor.
It is further preferred that spiral case is also provided with mode selector and controller, this mode selector and control
Device electrically connects, and this controller electrically connects with described driving means, and described mode selector is for by selected mode of operation
Information be sent to controller, this controller controls described driving means to described rotary shaft 24 according to acquired described information
Driving rotate, and then make range hood be in selected mode of operation (outer row's pattern or interior circulation pattern).Model selection
Device can be arranged on spiral case towards on the surface of user, to facilitate selection operation.
It addition, present invention also provides a kind of range hood, this range hood includes cigarette casing body the 305, first blower fan
306, the second blower fan 307 and above-mentioned spiral case provided herein, as shown in figure 19.
According to spiral case provided herein and range hood, owing to being provided with the application institute in the air channel of this spiral case
The flow passage structure provided, it is possible to realize the conversion of different mode with making two air channel Complete Synchronizations, and after completing conversion, two
Distinguished and admirable situation in air channel is basically identical, has good uniformity.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this utility model does not limit
Detail in above-mentioned embodiment, in technology concept of the present utility model, can be to skill of the present utility model
Art scheme carries out multiple simple variant, and these simple variant belong to protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, this utility model is to respectively
Plant possible compound mode to illustrate the most separately.
Additionally, combination in any can also be carried out, as long as it is not disobeyed between various different embodiment of the present utility model
Carrying on the back thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (14)
1. flow passage structure, this flow passage structure includes:
First-class body source (11), this first-class body source (11) includes the first flow with the first opening (12)；
Second body source (13), this second body source (13) includes second runner with the second opening (14)；And
First row outlet (15) and second row outlet (16), this first row outlet (15) and second row outlet (16) and described first
Opening (12) and the neighbouring setting of the second opening (14)；
It is characterized in that, described flow passage structure also includes single converting member (100), and this single converting member (100) is rotatable
Be arranged on described first opening (12), the second opening (14), first row outlet (100) and second row and export between (16), and
Can between primary importance (A) and the second position (B) reciprocating rotation,
At described primary importance (A), described single converting member (100) blocks described second row outlet (16) and described first and opens
Mouth (12) all connects with described first row outlet (15) with the second opening (14)；
At the described second position (B), described single converting member (100) blocks described first row outlet (15) and described first and opens
Mouth (12) all connects with described second row outlet (16) with the second opening (14).
Flow passage structure the most according to claim 1, it is characterised in that described first opening (12) has relative to each other
One edge (121) and the second edge (122), this second opening (14) has the 3rd relative edge (141) and the 4th edge
(142), wherein, formation described first row outlet (15), institute are limited between described first edge (121) and the 3rd edge (141)
State to limit between the second edge (122) and the 4th edge (142) and form described second row outlet (16),
Described first opening (12), the second opening (14), first row outlet (15) and second row outlet (16) are arranged in and are perpendicular to
On the same plane of described single converting member (100) rotation axis, in the rotation axis direction along described single converting member
On, described first edge (121), the second edge (122), the 3rd edge (141) and the 4th edge (142) are positioned at a concentric circular
On, this concentrically ringed center of circle is positioned on the rotation axis of described single converting member.
Flow passage structure the most according to claim 2, it is characterised in that described single converting member includes the first guide plate
(17) and the second guide plate (18),
At described primary importance (A), conflict described second edge (122) in the edge of described first guide plate (17), and described second
Described 4th edge (142) of conflict, edge of guide plate (18), thus block described second row outlet (16)；
At the described second position (B), conflict described 3rd edge (141) in the edge of described first guide plate (17), and described second
Described first edge (121) of edge conflict of guide plate (18), thus block described first row outlet (15).
Flow passage structure the most according to claim 3, it is characterised in that described single converting member also includes the 3rd guide plate
(19), described first guide plate (17), the second guide plate (18) and the 3rd guide plate (19) form trident starriness.
Flow passage structure the most according to claim 4, it is characterised in that in the rotation process of described single converting member,
Described 3rd guide plate (19) not with described first edge (121), the second edge (122), the 3rd edge (141) and the 4th edge
(142) interfere.
Flow passage structure the most according to claim 4, it is characterised in that described first guide plate (17) guides with the described 3rd
Connected by first guide surface (21) of indent between sheet (19)；
It is connected by second guide surface (22) of indent between described second guide plate (18) with described 3rd guide plate (19)；
And/or
Connected by the 3rd guide surface (23) of indent between described first guide plate (17) and the second guide plate (18).
Flow passage structure the most according to claim 6, it is characterised in that described single converting member is formed as hollow structure.
Flow passage structure the most according to claim 6, it is characterised in that described single converting member is formed centrosymmetric
Cross sectional shape.
Flow passage structure the most according to claim 3, it is characterised in that the edge of described first guide plate (17) and/or
The edge of two guide plates (18) is provided with sealing member or elastic component.
10. the spiral case (300) of range hood, it is characterised in that this spiral case includes:
First air channel (301), this first air channel (301) is for connecting with the first blower fan；
Second air channel (302), this second air channel (302) is for connecting with the second blower fan；
Outer row air port (303), this outer row air port (303) is formed at the rear portion of described spiral case；
Circulation exhaust outlet (304), this circulation exhaust outlet (304) is formed at the front portion of described spiral case；
Wherein, described spiral case also includes according to the flow passage structure described in any one in claim 1-9, described first air channel
(301) being described first flow, described second air channel (302) is described second runner, and described circulation exhaust outlet (304) is described
First row outlet (15), described outer row air port (303) is that described second row exports (16).
11. spiral cases according to claim 10 (300), it is characterised in that the rotary shaft (24) of described single converting member
Extend through described spiral case and be formed with operating portion (25).
12. spiral cases according to claim 11 (300), it is characterised in that described spiral case is provided with driving means, this driving
Device is for driving the rotation of the rotary shaft (24) of described single converting member.
13. spiral cases according to claim 12 (300), it is characterised in that described spiral case is additionally provided with mode selector
And controller, this mode selector electrically connects with described controller, and this controller electrically connects with described driving means, described mould
Formula selects device for the information of selected mode of operation is sent to described controller, and this controller is according to acquired institute
Information of stating controls described driving means and drives described rotary shaft (24) to rotate, and makes described single converting member be in selected
Mode of operation.
14. range hoods, it is characterised in that this range hood includes cigarette casing body (305), the first blower fan (306), the second blower fan
(307) and according to the spiral case described in any one in claim 10 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781111.5U CN205779917U (en) | 2016-07-22 | 2016-07-22 | Flow passage structure and range hood and spiral case thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620781111.5U CN205779917U (en) | 2016-07-22 | 2016-07-22 | Flow passage structure and range hood and spiral case thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779917U true CN205779917U (en) | 2016-12-07 |
Family
ID=58120976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620781111.5U Withdrawn - After Issue CN205779917U (en) | 2016-07-22 | 2016-07-22 | Flow passage structure and range hood and spiral case thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122097A (en) * | 2016-07-22 | 2016-11-16 | 广东美的厨房电器制造有限公司 | Flow passage structure and range hood and spiral case thereof |
-
2016
- 2016-07-22 CN CN201620781111.5U patent/CN205779917U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122097A (en) * | 2016-07-22 | 2016-11-16 | 广东美的厨房电器制造有限公司 | Flow passage structure and range hood and spiral case thereof |
| WO2018014413A1 (en) * | 2016-07-22 | 2018-01-25 | 广东美的厨房电器制造有限公司 | Flow path structure, and range hood and volute thereof |
| CN106122097B (en) * | 2016-07-22 | 2018-10-16 | 广东美的厨房电器制造有限公司 | Flow passage structure and range hood and its spiral case |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20181016 |
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| AV01 | Patent right actively abandoned |