CN208311640U - Valve for ventilation pipeline, special valve for range hood and range hood - Google Patents
Valve for ventilation pipeline, special valve for range hood and range hood Download PDFInfo
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- CN208311640U CN208311640U CN201820804639.9U CN201820804639U CN208311640U CN 208311640 U CN208311640 U CN 208311640U CN 201820804639 U CN201820804639 U CN 201820804639U CN 208311640 U CN208311640 U CN 208311640U
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- fluid channel
- range hood
- flap
- kitchen ventilator
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Abstract
The utility model provides a valve, special valve of lampblack absorber and range hood for air pipe relates to the air valve field of ventilating, has solved the noise problem that leads to because of the produced noise of fan system among the current air pipe. In order to solve the problems, the valve comprises a fluid channel, wherein the fluid channel is provided with a noise reduction structure and a valve body, and the fluid channel is communicated with a vent pipeline. The valve reduces the noise generated by airflow and/or smoke passing through the fluid channel through the noise reduction structure so as to achieve the effect of silence. The special valve for the range hood comprises a bottom, a valve and a top which are sequentially connected, wherein the valve body is a one-way check valve, is positioned at the top of a fluid channel and is positioned on the inner side of the top, the bottom is provided with a connecting flange, and the top is provided with a connecting ring. The range hood comprises a range hood main machine, wherein a special valve for the range hood is arranged in the range hood main machine. The utility model is used for fall the suppression of making an uproar to the aerodynamic force noise through the valve, the noise reduction is propagated to reach the effect of silence.
Description
Technical field
The utility model relates to gas valve fields, are that a kind of valve, kitchen ventilator for ventilation pipe is special specifically
With valve and range hood.
Background technique
Nowadays, with the continuous quickening of living standards of the people stepped up with rhythm of life, people increasingly focus on
The quality of life household, especially in terms of noise, high mute kitchen class household electrical appliance are more and more popular with consumers.
It especially inevitably generates noise in kitchen ventilator operational process, how the noise of kitchen ventilator is dropped into people
Within the decibel range that ear will not be taken notice of, become a current important R&D direction, this also designs the production of kitchen ventilator
Technology proposes very high requirement.
Noise source in existing range hood or other ventilation shafts in mainly blower fan system, made an uproar by a variety of by noise
Sound source simultaneously and deposit, have aerodynamic noise, electromagnetic noise, mechanical noise, bearing noise, if this partial noise pass through one
Determine mode and carries out noise reduction inhibition, it will the noise output for substantially reducing kitchen ventilator, to provide relatively quiet kitchen household ring
Border.
Utility model content
The purpose of this utility model is that designing a kind of valve, kitchen ventilator special service valve and fume-exhausting for ventilation pipe
Machine carries out noise reduction inhibition by the aerodynamic noise to ducting system, the propagation of noise is effectively reduced, to reach mute effect
Fruit.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of valve for ventilation pipe, including fluid channel, setting lead in the fluid
Valve body on road and the denoising structure being arranged on the fluid channel, the fluid channel are connected with ventilation pipe；Institute
Stating valve body can control whether the fluid channel is connected air-flow and/or smog, and the denoising structure can be reduced by the fluid
The noise that the air-flow and/or smog in channel generate.
When using above-mentioned setting structure, by the way that valve body and the fluid channel with denoising structure to be combined, it is combined into
One valve with decrease of noise functions, can be used in the various pipe-line systems for needing noise reduction, pass through the air-flow of the fluid channel
Or the noise that smog generates can be weakened by denoising structure thereon, it can be in relatively limited space to the stream of pipe-line system
It moves and noise reduction is carried out to air-flow while playing control action.
Further to realize the utility model to be better, especially using following setting structures: the fluid channel includes
Pipe shaft, the denoising structure include the multiple holes being set on the pipe shaft, and multiple described holes form mesh.
When using above-mentioned setting structure, the pipe shaft is used as air duct, and multiple holes on tube wall are used for passing through
The air-flow of the pipe shaft plays the role of rectification, to reach certain Noise Reduction.
Further to realize the utility model to be better, especially use following setting structures: the pipe shaft outer wall is arranged
There is a sound absorbing layer, the sound absorbing layer is one layer or for be successively arranged at least two layers.
When using above-mentioned setting structure, the sound absorbing layer, which is arranged, wraps the pipe shaft, the noise sound wave edge that air-flow generates
The hole of described hole go deep into inside the sound absorbing layer, rubbing action, which occurs, with the material of sound absorbing layer can convert heat for sound
Can, to reduce noise.
It is further to realize the utility model to be better, especially use following setting structures: the sound absorbing layer outer wall set
Equipped with sealant, the sealant is one layer or for be successively arranged at least two layers.
When using above-mentioned setting structure, the sealant is set in the sound absorbing layer outer layer, avoids air-flow from the pipe shaft
Tube wall gas leakage effect air-flow emission effect, also, the sealant can also play the role of noise reduction to a certain extent.
It is further to realize the utility model to be better, especially use following setting structures: the material of the sound absorbing layer
For acoustical cotton or polyester foam or glass fibre or foamed plastics, the material of the sealant be sponge or foam or rubber or
Acoustical cotton or polyester foam or glass fibre or foamed plastics.
It is further preferably to realize the utility model, especially use following setting structures: the sound absorbing layer with it is described
The material of sealant is identical.
It, can when the sealant and sound absorbing layer are the structural member of same material support when using above-mentioned setting structure
Reach the function of sound-absorbing, sealing simultaneously.
Further to realize the utility model to be better, especially use following setting structures: described hole is distributed in institute
Tube wall surrounding part or the surrounding for stating pipe shaft are whole.Wherein, the surrounding be all including surrounding side wall and side wall it
Between corner transition position.
It is further preferably to realize the utility model, especially use following setting structures: the shape of described hole for
Regular shape or irregular shape.Wherein, when described hole is regular shape, circular hole or square hole or elliptical aperture or water chestnut be can be
Shape hole or trapezoidal hole etc..
It is further to realize the utility model to be better, especially use following setting structures: when described hole is circular hole,
Its aperture is 1-8mm.
It is further to realize the utility model to be better, especially use following setting structures: when described hole is circular hole,
Pitch of holes between adjacent described hole is 2-16mm, and pitch of holes is greater than aperture.
It is further to realize the utility model to be better, especially use following setting structures: when described hole is circular hole,
The aperture of described hole is 2mm, pitch of holes 4mm.
Further to realize the utility model to be better, especially use following setting structures: the pipe shaft is equal pipe
Road or not equal diameter pipe.The pipe shaft be not equal diameter pipe when, can be the pipe of one end to the other end gradually necking or flaring
Road is also possible to the pipeline that opposite end is respectively facing middle section gradually necking or flaring, is also possible to contract from one end to the other end
The pipeline that mouth, flaring are successively arranged alternately.
Further, the valve body can may be double check valve for one way stop peturn valve.
The utility model additionally provides a kind of kitchen ventilator special service valve on the basis of above-mentioned valve, including is sequentially connected simultaneously shape
At the bottom of runner, above-mentioned valve and top, the middle part that the fluid channel of the valve constitutes the kitchen ventilator special valve is whole
Section is flowed, the valve body is located at the top of the fluid channel and is located at the inside top；
The valve body is one way stop peturn valve, and the bottom is the connecting flange connecting for the air outlet with kitchen ventilator, institute
Top is stated as the clamping ring for connecting with telescoping tube.
When using above-mentioned setting structure, when there is range hood outlet air end outlet air air-flow to pass through in the fluid channel, from
The air-flow that the bottom enters with denoising structure by acting on by absorbing sound and lowering noise.
When the face surrounding of the tube wall of the middle part rectification section partly or wholly has the mesh of intensive hole formation, when
When having range hood outlet air end outlet air air-flow to pass through in the fluid channel, the air-flow entered from the bottom is acted on by mesh
By absorbing sound and lowering noise.
When the middle part rectification section outer wall is arranged the sound absorbing layer, air-flow generate sound wave along intensive hole hole
Go deep into inside the sound absorbing layer, rubbing action, which occurs, with material can convert thermal energy for sound, to reduce noise.
When the sealant is set in the sound absorbing layer outer wall, the sealant can be avoided non-return valve seat gas leakage effect
Range hood smoke discharging effect.
Further to realize the utility model to be better, especially using following setting structures: the valve body includes and institute
It states fluid channel connection and the valve seat being connected to and the flap being movably arranged in the valve seat, the flap can control the stream
Whether body channel is connected air-flow and/or smog.
Further to realize the utility model to be better, especially use following setting structures: the flap includes first
Baffle, second flap；It is installed with bracket on the inside of the valve seat, shaft is installed on the bracket, torsional spring, institute are installed in the shaft
It states first flap and second flap turning set is set in the shaft, the opposite end of the torsional spring is separately fixed at the first gear
The top surface of piece and second flap.
It is further to realize the utility model to be better, especially use following setting structures: the top and the valve
Seat constitutes diameter-varying ring.
The utility model additionally provides a kind of range hood, including range hood host machine on the basis of above-mentioned check-valves,
Above-mentioned kitchen ventilator special service valve is installed in the range hood host machine.
When using above-mentioned setting structure, the check-valves in the range hood to by the air-flow of the check-valves into
Row absorbing sound and lowering noise makes the range hood have decrease of noise functions, can reach muting function.
It is further to realize the utility model to be better, especially use following setting structures: the kitchen ventilator special service valve
Bottom be fixedly connected with and be connected to the air outlet of the range hood main body, the top of the kitchen ventilator special service valve is stretched for connecting
The draw.
The utility model have the following advantages that and the utility model has the advantages that
(1) in the utility model, by the way that valve body and the fluid channel with denoising structure to be combined, it is combined into a tool
There is the valve of decrease of noise functions, can be used in the various pipe-line systems for needing noise reduction, passes through the air-flow or cigarette of the fluid channel
The noise that mist generates can be weakened by denoising structure thereon, can rise in relatively limited space to the flowing of pipe-line system
Noise reduction is carried out to air-flow while to control action.
(2) in the utility model, rectification section has denoising structure, tool in the middle part of setting between the bottom and top of check-valves
Body is that the face surrounding of middle part rectification section partly or wholly designs the mesh of hole formation, when having range hood to go out in check-valves
It is out-of-date that the general mood that wind brings out circulates, and the air-flow entered from bottom is acted on by mesh by absorbing sound and lowering noise.On this basis, whole at middle part
When stream section outer wall is arranged the sound absorbing layer, the sound wave that air-flow generates gos deep into inside the sound absorbing layer along the hole of intensive hole,
Rubbing action, which occurs, with material can convert thermal energy for sound, to reduce noise.On the basis of again, the sealant is set in
When the sound absorbing layer outer wall, the sealant can be avoided non-return valve seat gas leakage effect range hood smoke discharging effect.
(3) in the utility model, check-valves is installed in range hood ontology, check-valves is in right in the range hood
Absorbing sound and lowering noise is carried out by the air-flow of check-valves, makes the range hood that there is decrease of noise functions, muting function can be reached.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of main view of check-valves with decrease of noise functions；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of the non-return valve seat；
Fig. 4 is the schematic cross-sectional view of the flap closed state；
Fig. 5 is the schematic cross-sectional view of the flap open state；
In the figure, it is marked as
1- pipe shaft；1a- hole；
2- sound absorbing layer；
3- sealant；
The bottom 4-；
At the top of 5-；
6- flap；6a- first flap；6b- second flap；
7- bracket；
8- shaft；
9- torsional spring.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
A kind of valve for ventilation pipe carries out noise reduction inhibition by the aerodynamic noise to ducting system, effectively
The propagation of noise is reduced, it is mute to achieve the effect that, as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, it is specifically arranged to following structures:
Including the fluid channel that a both ends communicate, it is provided with valve body on the fluid channel, is also had on fluid channel
To inhibit the denoising structure of noise, the fluid channel with ventilation pipe for being connected；The valve body can control fluid channel
No conducting air-flow and/or smog, denoising structure can reduce the noise of air-flow and/or the smog generation by fluid channel.
When using above-mentioned setting structure, by the way that valve body and the fluid channel with denoising structure to be combined, it is combined into
One valve with decrease of noise functions, can be used in the various pipe-line systems for needing noise reduction, pass through the air-flow of the fluid channel
Or the noise that smog generates can be weakened by denoising structure thereon, it can be in relatively limited space to the stream of pipe-line system
It moves and noise reduction is carried out to air-flow while playing control action.
Specifically, fluid channel includes the metal tube body 1 of about one connection, denoising structure includes being opened on pipe shaft 1
Multiple hole 1a, hole 1a run through its tube wall along the radial direction of pipe shaft 1, and dense arrangement forms mesh between multiple hole 1a；
At least one end of pipe shaft 1 with ventilation pipe for being connected to.Pipe shaft 1 is used as air duct, and multiple hole 1a on tube wall are used for
Play the role of rectification to the air-flow by pipe shaft 1, to reach certain Noise Reduction.
As a feasible preferred embodiment of the present embodiment, sound absorbing layer 2 is arranged on the outer wall of pipe shaft 1, the sound-absorbing
Layer 2 can may be at least two layers be successively arranged for one layer.For sound absorbing layer 2 the number of plies according to specific use environment with
And requirement does concrete decision, such as the number of plies for needing more higher leveled noise reduction effect that can increase sound absorbing layer 2.Sound absorbing layer 2
Effect is, when sound absorbing layer 2, which is arranged, wraps pipe shaft 1, the noise sound wave that air-flow generates deeply is inhaled along the hole of hole 1a
Inside sound-absorbing layer 2, rubbing action, which occurs, with the material of sound absorbing layer 2 can convert thermal energy for sound, to reduce noise.
It is advanced optimized on the basis of above scheme, sealant 3 is also arranged on the outer wall of sound absorbing layer 2, this is close
Sealing 3 can be one layer or be successively arranged at least two layers, for sealant 3 the number of plies according to specific use environment
And requirement does concrete decision, such as the number of plies for needing more higher leveled sealing effect that can increase sealant 3.Sealant 3
Effect be that, when sealant 3 is set in 2 outer layer of sound absorbing layer, sealant 3 can be avoided tube wall gas leakage of the air-flow from pipe shaft 1
The emission effect of air-flow is influenced, also, sealant 3 can also play the role of noise reduction to a certain extent.
Wherein, the material of sound absorbing layer 2 can be acoustical cotton or polyester foam or glass fibre or foamed plastics, sealing
The material of layer 3 is sponge or foam or rubber or acoustical cotton or polyester foam or glass fibre or foamed plastics.Multiple layer sound suction
The material of layer 2 can be identical or different material, and the material of multi-layer sealed layer 3 can be identical or different material.Meanwhile
Sound absorbing layer 2 can be identical or different materials with the material of sealant 3；In order to be carried out the problems such as reducing production cost
Consider, sound absorbing layer 2 and sealant 3 should be identical material, in this way, sealant 3 and sound absorbing layer 2 are the structure of same material support
When part, the function of sound-absorbing, sealing can be reached simultaneously, make sound absorbing layer 2 and sealant 3 in terms of absorbing sound and lowering noise and seal aspect
Effect having the same.
Optionally, hole 1a is distributed in tube wall surrounding part or the surrounding whole of pipe shaft 1.Wherein, the surrounding is whole
It as include the corner transition position between surrounding side wall and side wall.Because the crossover position of tube wall surrounding is difficult to process intensive net
Hole, it is contemplated that the relationship of effect and cost, as the preferred embodiment of hole 1a distribution, the tube wall of the hole 1a distribution and pipe shaft 1
Surrounding, the tube wall surrounding are the corner transition position for not including surrounding tube wall.Certainly, if do not consider part production technology and at
This problem can also accomplish that the surrounding of pipe shaft 1 all has mesh in the case where at all costs.
Optionally, it may be irregular shape that the shape of hole 1a, which can be regular shape,.In view of production technology
And cost be topic, as the preferred embodiment of hole 1a, hole 1a is designed as regular shape, can be circular hole or square hole or
Elliptical aperture or diamond hole or trapezoidal hole etc..
As the further preferred scheme of hole 1a, hole 1a is designed as circular hole, the processing is simple and noise reduction effect for circular hole
It is more excellent.When hole 1a is circular hole, aperture 1-8mm, and the pitch of holes between adjacent holes 1a is 2-16mm.Wherein, Kong Jian
Away from greater than aperture.
The noise reduction effect of mesh is allowed to reach preferable level, then the aperture of hole 1a sets me as 2mm, pitch of holes is set
For 4mm.
Optionally, pipe shaft 1 can may be not equal diameter pipe for equal diameter pipe.Pipe shaft 1 be not equal diameter pipe when, can
Be one end to the other end gradually necking or flaring pipeline, be also possible to opposite end and be respectively facing middle section gradually necking or flaring
Pipeline, be also possible to from one end to other end necking, the pipeline that is successively arranged alternately of flaring.The present embodiment is with one end to another
It is illustrated for the pipeline that one end is gradually flared, wherein the bottom opening of pipe shaft 1 is small compared with its top opening.
Optionally, valve body can may be double check valve for one way stop peturn valve.One way stop peturn valve is used to have a gas
In the pipe-line system of flow direction, double check valve is applied to tool, and there are two the pipe-line systems of airflow direction or three airflow directions
In.
Embodiment 2:
A kind of kitchen ventilator special service valve carries out noise reduction inhibition by the aerodynamic noise of the ducting system to kitchen ventilator, has
Effect reduces the propagation of noise, mute to achieve the effect that, especially uses following setting structures:
The utility model provides a kind of kitchen ventilator special service valve, including bottom 4, embodiment 1 on the basis of above-mentioned valve
In valve and top 5, bottom 4, valve and top 5 be sequentially connected and formed runner, the fluid channel of valve is in embodiment 1
Pipe shaft 1, pipe shaft 1 constitute kitchen ventilator special valve middle part rectification section.Valve body is located at the top of fluid channel and is located at top 5
Inside.
Wherein, valve body is one way stop peturn valve, and bottom 4 is connecting flange, is connect for the air outlet with kitchen ventilator, top 5
For clamping ring, it is used to connect with telescoping tube.
When using above-mentioned setting structure, when there is range hood outlet air end outlet air air-flow to pass through in fluid channel, from bottom 4
The air-flow of entrance with denoising structure by acting on by absorbing sound and lowering noise.
Black arrow is that air-flow substantially flows in Fig. 5, and at middle part, the face surrounding of the tube wall of rectification section partly or wholly has
When the mesh that intensive hole 1a is formed, when there is range hood outlet air end outlet air air-flow to pass through in fluid channel, from bottom 4 into
The air-flow entered is acted on by mesh by absorbing sound and lowering noise.When at middle part, rectification section outer wall is arranged the sound absorbing layer 2, the sound of air-flow generation
Wave gos deep into inside the sound absorbing layer 2 along the hole of intensive hole 1a, and rubbing action, which occurs, with material can convert thermal energy for sound,
To reduce noise.When sealant 3 is set in 2 outer wall of sound absorbing layer, sealant 3 can be avoided non-return valve seat gas leakage effect oil suction
Smoke machine smoke discharging effect.
Specifically, valve body includes valve seat, flap 6, valve seat is fixedly connected on the top of fluid channel, valve seat and fluid channel
It is coaxially disposed and in communication, flap 6, which is located on the inside of valve seat and may be reversed, to be installed on valve seat, and flap 6 can be according to air-flow
Whether traffic organising fluid channel is connected air-flow and/or smog.
Flap 6 includes first flap 6a, second flap 6b, and first flap 6a and second flap 6b are thin plate-shaped structure part,
It can be symmetrical structure, such as identical two valve of size shape, be also possible to unsymmetric structure, such as shape phase of different sizes
Two same valves, the present embodiment are illustrated by taking symmetrical structure as an example.Opposite sides on the inside of valve seat is respectively installed with a bracket 7, branch
The shaft 8 being laterally arranged is installed on frame 7, is successively rotated in shaft and is arranged first flap 6a and second flap 6b, fills in shaft 8
Equipped with torsional spring 9, the opposite end of torsional spring 9 is separately fixed at the top surface of first flap 6a and second flap 6b.
Wherein, the internal diameter at the top 5 of this kind of kitchen ventilator special service valve is greater than the outer diameter of valve seat, therefore, top 5 and the valve seat
Diameter-varying ring is constituted, the telescoping tube of different bores can be connected.
Embodiment 3:
A kind of range hood, have the effect of it is mute, especially use following setting structures:
The utility model additionally provides a kind of range hood, including range hood host machine on the basis of embodiment 2, is inhaling
The built-in kitchen ventilator special service valve equipped in embodiment 2 of oil smoke machine host.
The bottom 4 of kitchen ventilator special service valve is bolted to connection and is connected to the air outlet of range hood main body, the oil
The top 5 of smoke machine special service valve connects telescoping tube by fastener.
Kitchen ventilator special service valve in carrying out absorbing sound and lowering noise to by the air-flow of the pipe shaft 1 of kitchen ventilator special service valve in range hood,
Make range hood that there is decrease of noise functions, muting function can be reached.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.
Claims (17)
1. a kind of valve for ventilation pipe, it is characterised in that: including fluid channel, the valve being arranged on the fluid channel
Body and the denoising structure being arranged on the fluid channel, the fluid channel are connected with ventilation pipe；The valve body energy
Control whether the fluid channel is connected air-flow and/or smog, the denoising structure can reduce the gas by the fluid channel
The noise that stream and/or smog generate.
2. a kind of valve for ventilation pipe according to claim 1, it is characterised in that: the fluid channel includes pipe
Body (1), the denoising structure include the multiple holes (1a) being set on the pipe shaft (1), and multiple described holes (1a) are formed
Mesh.
3. a kind of valve for ventilation pipe according to claim 2, it is characterised in that: pipe shaft (1) the outer wall set
Equipped with sound absorbing layer (2), the sound absorbing layer (2) is one layer or for be successively arranged at least two layers.
4. a kind of valve for ventilation pipe according to claim 3, it is characterised in that: sound absorbing layer (2) outer wall
It is arranged with sealant (3), the sealant (3) is one layer or for be successively arranged at least two layers.
5. a kind of valve for ventilation pipe according to Claims 2 or 3 or 4, it is characterised in that: described hole (1a)
Tube wall surrounding part or the surrounding for being distributed in the pipe shaft (1) are whole.
6. a kind of valve for ventilation pipe according to Claims 2 or 3 or 4, it is characterised in that: described hole (1a)
Shape be regular shape or irregular shape.
7. a kind of valve for ventilation pipe according to claim 6, it is characterised in that: described hole (1a) is circular hole
When, aperture 1-8mm.
8. a kind of valve for ventilation pipe according to claim 7, it is characterised in that: adjacent described hole (1a) it
Between pitch of holes be 2-16mm, pitch of holes be greater than aperture.
9. a kind of valve for ventilation pipe according to claim 8, it is characterised in that: the aperture of described hole (1a)
For 2mm, pitch of holes 4mm.
10. a kind of valve for ventilation pipe according to Claims 2 or 3 or 4, it is characterised in that: the pipe shaft (1)
For equal diameter pipe or not equal diameter pipe.
11. a kind of valve for ventilation pipe according to claim 1 or 2 or 3 or 4, it is characterised in that: the valve body
For one way stop peturn valve or double check valve.
12. a kind of kitchen ventilator special service valve, it is characterised in that: bottom (4), claim 1- including being sequentially connected and being formed runner
10 described in any item valves and top (5), the middle part that the fluid channel of the valve constitutes the kitchen ventilator special valve are whole
Section is flowed, the valve body is located at the top of the fluid channel and is located on the inside of the top (5)；
The valve body is one way stop peturn valve, and the bottom (4) is the connecting flange connecting for the air outlet with kitchen ventilator, described
Top (5) is the clamping ring for connecting with telescoping tube.
13. a kind of kitchen ventilator special service valve according to claim 12, it is characterised in that: the valve body includes and the fluid
The valve seat that channel is connected to and in communication with and the flap (6) being movably arranged in the valve seat, the flap (6) can control the stream
Whether body channel is connected air-flow and/or smog.
14. a kind of kitchen ventilator special service valve according to claim 13, it is characterised in that: the flap (6) includes first gear
Piece (6a), second flap (6b)；It is installed with bracket (7) on the inside of the valve seat, installs shaft (8) on the bracket (7), described turn
Torsional spring (9) are installed on axis (8), the first flap (6a) and second flap (6b) turning set are set on the shaft (8), described
The opposite end of torsional spring (9) is separately fixed at the top surface of the first flap (6a) and second flap (6b).
15. a kind of kitchen ventilator special service valve according to claim 14, it is characterised in that: the top (5) and the valve seat
Constitute diameter-varying ring.
16. a kind of range hood, it is characterised in that: including range hood host machine, be installed with right in the range hood host machine
It is required that the described in any item kitchen ventilator special service valves of 12-15.
17. a kind of range hood according to claim 16, it is characterised in that: the bottom (4) of the kitchen ventilator special service valve
It is fixedly connected with and is connected to the air outlet of the range hood main body, the top (5) of the kitchen ventilator special service valve is flexible for connecting
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804639.9U CN208311640U (en) | 2018-05-28 | 2018-05-28 | Valve for ventilation pipeline, special valve for range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820804639.9U CN208311640U (en) | 2018-05-28 | 2018-05-28 | Valve for ventilation pipeline, special valve for range hood and range hood |
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| CN208311640U true CN208311640U (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571619A (en) * | 2018-05-28 | 2018-09-25 | 珠海格力电器股份有限公司 | Valve for ventilation pipeline, special valve for range hood and range hood |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571619A (en) * | 2018-05-28 | 2018-09-25 | 珠海格力电器股份有限公司 | Valve for ventilation pipeline, special valve for range hood and range hood |
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